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GNS3/gns3-server | gns3server/compute/vpcs/vpcs_vm.py | VPCSVM._vpcs_path | def _vpcs_path(self):
"""
Returns the VPCS executable path.
:returns: path to VPCS
"""
search_path = self._manager.config.get_section_config("VPCS").get("vpcs_path", "vpcs")
path = shutil.which(search_path)
# shutil.which return None if the path doesn't exists
if not path:
return search_path
return path | python | def _vpcs_path(self):
"""
Returns the VPCS executable path.
:returns: path to VPCS
"""
search_path = self._manager.config.get_section_config("VPCS").get("vpcs_path", "vpcs")
path = shutil.which(search_path)
# shutil.which return None if the path doesn't exists
if not path:
return search_path
return path | [
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GNS3/gns3-server | gns3server/compute/vpcs/vpcs_vm.py | VPCSVM.name | def name(self, new_name):
"""
Sets the name of this VPCS VM.
:param new_name: name
"""
if self.script_file:
content = self.startup_script
content = content.replace(self._name, new_name)
escaped_name = new_name.replace('\\', '')
content = re.sub(r"^set pcname .+$", "set pcname " + escaped_name, content, flags=re.MULTILINE)
self.startup_script = content
super(VPCSVM, VPCSVM).name.__set__(self, new_name) | python | def name(self, new_name):
"""
Sets the name of this VPCS VM.
:param new_name: name
"""
if self.script_file:
content = self.startup_script
content = content.replace(self._name, new_name)
escaped_name = new_name.replace('\\', '')
content = re.sub(r"^set pcname .+$", "set pcname " + escaped_name, content, flags=re.MULTILINE)
self.startup_script = content
super(VPCSVM, VPCSVM).name.__set__(self, new_name) | [
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GNS3/gns3-server | gns3server/compute/vpcs/vpcs_vm.py | VPCSVM.startup_script | def startup_script(self):
"""
Returns the content of the current startup script
"""
script_file = self.script_file
if script_file is None:
return None
try:
with open(script_file, "rb") as f:
return f.read().decode("utf-8", errors="replace")
except OSError as e:
raise VPCSError('Cannot read the startup script file "{}": {}'.format(script_file, e)) | python | def startup_script(self):
"""
Returns the content of the current startup script
"""
script_file = self.script_file
if script_file is None:
return None
try:
with open(script_file, "rb") as f:
return f.read().decode("utf-8", errors="replace")
except OSError as e:
raise VPCSError('Cannot read the startup script file "{}": {}'.format(script_file, e)) | [
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GNS3/gns3-server | gns3server/compute/vpcs/vpcs_vm.py | VPCSVM.startup_script | def startup_script(self, startup_script):
"""
Updates the startup script.
:param startup_script: content of the startup script
"""
try:
startup_script_path = os.path.join(self.working_dir, 'startup.vpc')
with open(startup_script_path, "w+", encoding='utf-8') as f:
if startup_script is None:
f.write('')
else:
startup_script = startup_script.replace("%h", self._name)
f.write(startup_script)
except OSError as e:
raise VPCSError('Cannot write the startup script file "{}": {}'.format(startup_script_path, e)) | python | def startup_script(self, startup_script):
"""
Updates the startup script.
:param startup_script: content of the startup script
"""
try:
startup_script_path = os.path.join(self.working_dir, 'startup.vpc')
with open(startup_script_path, "w+", encoding='utf-8') as f:
if startup_script is None:
f.write('')
else:
startup_script = startup_script.replace("%h", self._name)
f.write(startup_script)
except OSError as e:
raise VPCSError('Cannot write the startup script file "{}": {}'.format(startup_script_path, e)) | [
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GNS3/gns3-server | gns3server/compute/vpcs/vpcs_vm.py | VPCSVM._check_vpcs_version | def _check_vpcs_version(self):
"""
Checks if the VPCS executable version is >= 0.8b or == 0.6.1.
"""
try:
output = yield from subprocess_check_output(self._vpcs_path(), "-v", cwd=self.working_dir)
match = re.search("Welcome to Virtual PC Simulator, version ([0-9a-z\.]+)", output)
if match:
version = match.group(1)
self._vpcs_version = parse_version(version)
if self._vpcs_version < parse_version("0.6.1"):
raise VPCSError("VPCS executable version must be >= 0.6.1 but not a 0.8")
else:
raise VPCSError("Could not determine the VPCS version for {}".format(self._vpcs_path()))
except (OSError, subprocess.SubprocessError) as e:
raise VPCSError("Error while looking for the VPCS version: {}".format(e)) | python | def _check_vpcs_version(self):
"""
Checks if the VPCS executable version is >= 0.8b or == 0.6.1.
"""
try:
output = yield from subprocess_check_output(self._vpcs_path(), "-v", cwd=self.working_dir)
match = re.search("Welcome to Virtual PC Simulator, version ([0-9a-z\.]+)", output)
if match:
version = match.group(1)
self._vpcs_version = parse_version(version)
if self._vpcs_version < parse_version("0.6.1"):
raise VPCSError("VPCS executable version must be >= 0.6.1 but not a 0.8")
else:
raise VPCSError("Could not determine the VPCS version for {}".format(self._vpcs_path()))
except (OSError, subprocess.SubprocessError) as e:
raise VPCSError("Error while looking for the VPCS version: {}".format(e)) | [
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GNS3/gns3-server | gns3server/compute/vpcs/vpcs_vm.py | VPCSVM.start | def start(self):
"""
Starts the VPCS process.
"""
yield from self._check_requirements()
if not self.is_running():
nio = self._ethernet_adapter.get_nio(0)
command = self._build_command()
try:
log.info("Starting VPCS: {}".format(command))
self._vpcs_stdout_file = os.path.join(self.working_dir, "vpcs.log")
log.info("Logging to {}".format(self._vpcs_stdout_file))
flags = 0
if sys.platform.startswith("win32"):
flags = subprocess.CREATE_NEW_PROCESS_GROUP
with open(self._vpcs_stdout_file, "w", encoding="utf-8") as fd:
self.command_line = ' '.join(command)
self._process = yield from asyncio.create_subprocess_exec(*command,
stdout=fd,
stderr=subprocess.STDOUT,
cwd=self.working_dir,
creationflags=flags)
monitor_process(self._process, self._termination_callback)
yield from self._start_ubridge()
if nio:
yield from self.add_ubridge_udp_connection("VPCS-{}".format(self._id), self._local_udp_tunnel[1], nio)
yield from self.start_wrap_console()
log.info("VPCS instance {} started PID={}".format(self.name, self._process.pid))
self._started = True
self.status = "started"
except (OSError, subprocess.SubprocessError) as e:
vpcs_stdout = self.read_vpcs_stdout()
log.error("Could not start VPCS {}: {}\n{}".format(self._vpcs_path(), e, vpcs_stdout))
raise VPCSError("Could not start VPCS {}: {}\n{}".format(self._vpcs_path(), e, vpcs_stdout)) | python | def start(self):
"""
Starts the VPCS process.
"""
yield from self._check_requirements()
if not self.is_running():
nio = self._ethernet_adapter.get_nio(0)
command = self._build_command()
try:
log.info("Starting VPCS: {}".format(command))
self._vpcs_stdout_file = os.path.join(self.working_dir, "vpcs.log")
log.info("Logging to {}".format(self._vpcs_stdout_file))
flags = 0
if sys.platform.startswith("win32"):
flags = subprocess.CREATE_NEW_PROCESS_GROUP
with open(self._vpcs_stdout_file, "w", encoding="utf-8") as fd:
self.command_line = ' '.join(command)
self._process = yield from asyncio.create_subprocess_exec(*command,
stdout=fd,
stderr=subprocess.STDOUT,
cwd=self.working_dir,
creationflags=flags)
monitor_process(self._process, self._termination_callback)
yield from self._start_ubridge()
if nio:
yield from self.add_ubridge_udp_connection("VPCS-{}".format(self._id), self._local_udp_tunnel[1], nio)
yield from self.start_wrap_console()
log.info("VPCS instance {} started PID={}".format(self.name, self._process.pid))
self._started = True
self.status = "started"
except (OSError, subprocess.SubprocessError) as e:
vpcs_stdout = self.read_vpcs_stdout()
log.error("Could not start VPCS {}: {}\n{}".format(self._vpcs_path(), e, vpcs_stdout))
raise VPCSError("Could not start VPCS {}: {}\n{}".format(self._vpcs_path(), e, vpcs_stdout)) | [
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GNS3/gns3-server | gns3server/compute/vpcs/vpcs_vm.py | VPCSVM.stop | def stop(self):
"""
Stops the VPCS process.
"""
yield from self._stop_ubridge()
if self.is_running():
self._terminate_process()
if self._process.returncode is None:
try:
yield from wait_for_process_termination(self._process, timeout=3)
except asyncio.TimeoutError:
if self._process.returncode is None:
try:
self._process.kill()
except OSError as e:
log.error("Cannot stop the VPCS process: {}".format(e))
if self._process.returncode is None:
log.warn('VPCS VM "{}" with PID={} is still running'.format(self._name, self._process.pid))
self._process = None
self._started = False
yield from super().stop() | python | def stop(self):
"""
Stops the VPCS process.
"""
yield from self._stop_ubridge()
if self.is_running():
self._terminate_process()
if self._process.returncode is None:
try:
yield from wait_for_process_termination(self._process, timeout=3)
except asyncio.TimeoutError:
if self._process.returncode is None:
try:
self._process.kill()
except OSError as e:
log.error("Cannot stop the VPCS process: {}".format(e))
if self._process.returncode is None:
log.warn('VPCS VM "{}" with PID={} is still running'.format(self._name, self._process.pid))
self._process = None
self._started = False
yield from super().stop() | [
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GNS3/gns3-server | gns3server/compute/vpcs/vpcs_vm.py | VPCSVM._terminate_process | def _terminate_process(self):
"""
Terminate the process if running
"""
log.info("Stopping VPCS instance {} PID={}".format(self.name, self._process.pid))
if sys.platform.startswith("win32"):
self._process.send_signal(signal.CTRL_BREAK_EVENT)
else:
try:
self._process.terminate()
# Sometime the process may already be dead when we garbage collect
except ProcessLookupError:
pass | python | def _terminate_process(self):
"""
Terminate the process if running
"""
log.info("Stopping VPCS instance {} PID={}".format(self.name, self._process.pid))
if sys.platform.startswith("win32"):
self._process.send_signal(signal.CTRL_BREAK_EVENT)
else:
try:
self._process.terminate()
# Sometime the process may already be dead when we garbage collect
except ProcessLookupError:
pass | [
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GNS3/gns3-server | gns3server/compute/vpcs/vpcs_vm.py | VPCSVM.read_vpcs_stdout | def read_vpcs_stdout(self):
"""
Reads the standard output of the VPCS process.
Only use when the process has been stopped or has crashed.
"""
output = ""
if self._vpcs_stdout_file:
try:
with open(self._vpcs_stdout_file, "rb") as file:
output = file.read().decode("utf-8", errors="replace")
except OSError as e:
log.warn("Could not read {}: {}".format(self._vpcs_stdout_file, e))
return output | python | def read_vpcs_stdout(self):
"""
Reads the standard output of the VPCS process.
Only use when the process has been stopped or has crashed.
"""
output = ""
if self._vpcs_stdout_file:
try:
with open(self._vpcs_stdout_file, "rb") as file:
output = file.read().decode("utf-8", errors="replace")
except OSError as e:
log.warn("Could not read {}: {}".format(self._vpcs_stdout_file, e))
return output | [
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GNS3/gns3-server | gns3server/compute/vpcs/vpcs_vm.py | VPCSVM.script_file | def script_file(self):
"""
Returns the startup script file for this VPCS VM.
:returns: path to startup script file
"""
# use the default VPCS file if it exists
path = os.path.join(self.working_dir, 'startup.vpc')
if os.path.exists(path):
return path
else:
return None | python | def script_file(self):
"""
Returns the startup script file for this VPCS VM.
:returns: path to startup script file
"""
# use the default VPCS file if it exists
path = os.path.join(self.working_dir, 'startup.vpc')
if os.path.exists(path):
return path
else:
return None | [
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GNS3/gns3-server | gns3server/utils/interfaces.py | get_windows_interfaces | def get_windows_interfaces():
"""
Get Windows interfaces.
:returns: list of windows interfaces
"""
import win32com.client
import pywintypes
interfaces = []
try:
locator = win32com.client.Dispatch("WbemScripting.SWbemLocator")
service = locator.ConnectServer(".", "root\cimv2")
network_configs = service.InstancesOf("Win32_NetworkAdapterConfiguration")
# more info on Win32_NetworkAdapter: http://msdn.microsoft.com/en-us/library/aa394216%28v=vs.85%29.aspx
for adapter in service.InstancesOf("Win32_NetworkAdapter"):
if adapter.NetConnectionStatus == 2 or adapter.NetConnectionStatus == 7:
# adapter is connected or media disconnected
ip_address = ""
netmask = ""
for network_config in network_configs:
if network_config.InterfaceIndex == adapter.InterfaceIndex:
if network_config.IPAddress:
# get the first IPv4 address only
ip_address = network_config.IPAddress[0]
netmask = network_config.IPSubnet[0]
break
npf_interface = "\\Device\\NPF_{guid}".format(guid=adapter.GUID)
interfaces.append({"id": npf_interface,
"name": adapter.NetConnectionID,
"ip_address": ip_address,
"mac_address": adapter.MACAddress,
"netcard": adapter.name,
"netmask": netmask,
"type": "ethernet"})
except (AttributeError, pywintypes.com_error):
log.warn("Could not use the COM service to retrieve interface info, trying using the registry...")
return _get_windows_interfaces_from_registry()
return interfaces | python | def get_windows_interfaces():
"""
Get Windows interfaces.
:returns: list of windows interfaces
"""
import win32com.client
import pywintypes
interfaces = []
try:
locator = win32com.client.Dispatch("WbemScripting.SWbemLocator")
service = locator.ConnectServer(".", "root\cimv2")
network_configs = service.InstancesOf("Win32_NetworkAdapterConfiguration")
# more info on Win32_NetworkAdapter: http://msdn.microsoft.com/en-us/library/aa394216%28v=vs.85%29.aspx
for adapter in service.InstancesOf("Win32_NetworkAdapter"):
if adapter.NetConnectionStatus == 2 or adapter.NetConnectionStatus == 7:
# adapter is connected or media disconnected
ip_address = ""
netmask = ""
for network_config in network_configs:
if network_config.InterfaceIndex == adapter.InterfaceIndex:
if network_config.IPAddress:
# get the first IPv4 address only
ip_address = network_config.IPAddress[0]
netmask = network_config.IPSubnet[0]
break
npf_interface = "\\Device\\NPF_{guid}".format(guid=adapter.GUID)
interfaces.append({"id": npf_interface,
"name": adapter.NetConnectionID,
"ip_address": ip_address,
"mac_address": adapter.MACAddress,
"netcard": adapter.name,
"netmask": netmask,
"type": "ethernet"})
except (AttributeError, pywintypes.com_error):
log.warn("Could not use the COM service to retrieve interface info, trying using the registry...")
return _get_windows_interfaces_from_registry()
return interfaces | [
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GNS3/gns3-server | gns3server/utils/interfaces.py | has_netmask | def has_netmask(interface_name):
"""
Checks if an interface has a netmask.
:param interface: interface name
:returns: boolean
"""
for interface in interfaces():
if interface["name"] == interface_name:
if interface["netmask"] and len(interface["netmask"]) > 0:
return True
return False
return False | python | def has_netmask(interface_name):
"""
Checks if an interface has a netmask.
:param interface: interface name
:returns: boolean
"""
for interface in interfaces():
if interface["name"] == interface_name:
if interface["netmask"] and len(interface["netmask"]) > 0:
return True
return False
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GNS3/gns3-server | gns3server/utils/interfaces.py | is_interface_up | def is_interface_up(interface):
"""
Checks if an interface is up.
:param interface: interface name
:returns: boolean
"""
if sys.platform.startswith("linux"):
if interface not in psutil.net_if_addrs():
return False
import fcntl
SIOCGIFFLAGS = 0x8913
try:
with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as s:
result = fcntl.ioctl(s.fileno(), SIOCGIFFLAGS, interface + '\0' * 256)
flags, = struct.unpack('H', result[16:18])
if flags & 1: # check if the up bit is set
return True
return False
except OSError as e:
raise aiohttp.web.HTTPInternalServerError(text="Exception when checking if {} is up: {}".format(interface, e))
else:
# TODO: Windows & OSX support
return True | python | def is_interface_up(interface):
"""
Checks if an interface is up.
:param interface: interface name
:returns: boolean
"""
if sys.platform.startswith("linux"):
if interface not in psutil.net_if_addrs():
return False
import fcntl
SIOCGIFFLAGS = 0x8913
try:
with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as s:
result = fcntl.ioctl(s.fileno(), SIOCGIFFLAGS, interface + '\0' * 256)
flags, = struct.unpack('H', result[16:18])
if flags & 1: # check if the up bit is set
return True
return False
except OSError as e:
raise aiohttp.web.HTTPInternalServerError(text="Exception when checking if {} is up: {}".format(interface, e))
else:
# TODO: Windows & OSX support
return True | [
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GNS3/gns3-server | gns3server/utils/interfaces.py | interfaces | def interfaces():
"""
Gets the network interfaces on this server.
:returns: list of network interfaces
"""
results = []
if not sys.platform.startswith("win"):
net_if_addrs = psutil.net_if_addrs()
for interface in sorted(net_if_addrs.keys()):
ip_address = ""
mac_address = ""
netmask = ""
interface_type = "ethernet"
for addr in net_if_addrs[interface]:
# get the first available IPv4 address only
if addr.family == socket.AF_INET:
ip_address = addr.address
netmask = addr.netmask
if addr.family == psutil.AF_LINK:
mac_address = addr.address
if interface.startswith("tap"):
# found no way to reliably detect a TAP interface
interface_type = "tap"
results.append({"id": interface,
"name": interface,
"ip_address": ip_address,
"netmask": netmask,
"mac_address": mac_address,
"type": interface_type})
else:
try:
service_installed = True
if not _check_windows_service("npf") and not _check_windows_service("npcap"):
service_installed = False
else:
results = get_windows_interfaces()
except ImportError:
message = "pywin32 module is not installed, please install it on the server to get the available interface names"
raise aiohttp.web.HTTPInternalServerError(text=message)
except Exception as e:
log.error("uncaught exception {type}".format(type=type(e)), exc_info=1)
raise aiohttp.web.HTTPInternalServerError(text="uncaught exception: {}".format(e))
if service_installed is False:
raise aiohttp.web.HTTPInternalServerError(text="The Winpcap or Npcap is not installed or running")
# This interface have special behavior
for result in results:
result["special"] = False
for special_interface in ("lo", "vmnet", "vboxnet", "docker", "lxcbr",
"virbr", "ovs-system", "veth", "fw", "p2p",
"bridge", "vmware", "virtualbox", "gns3"):
if result["name"].lower().startswith(special_interface):
result["special"] = True
for special_interface in ("-nic"):
if result["name"].lower().endswith(special_interface):
result["special"] = True
return results | python | def interfaces():
"""
Gets the network interfaces on this server.
:returns: list of network interfaces
"""
results = []
if not sys.platform.startswith("win"):
net_if_addrs = psutil.net_if_addrs()
for interface in sorted(net_if_addrs.keys()):
ip_address = ""
mac_address = ""
netmask = ""
interface_type = "ethernet"
for addr in net_if_addrs[interface]:
# get the first available IPv4 address only
if addr.family == socket.AF_INET:
ip_address = addr.address
netmask = addr.netmask
if addr.family == psutil.AF_LINK:
mac_address = addr.address
if interface.startswith("tap"):
# found no way to reliably detect a TAP interface
interface_type = "tap"
results.append({"id": interface,
"name": interface,
"ip_address": ip_address,
"netmask": netmask,
"mac_address": mac_address,
"type": interface_type})
else:
try:
service_installed = True
if not _check_windows_service("npf") and not _check_windows_service("npcap"):
service_installed = False
else:
results = get_windows_interfaces()
except ImportError:
message = "pywin32 module is not installed, please install it on the server to get the available interface names"
raise aiohttp.web.HTTPInternalServerError(text=message)
except Exception as e:
log.error("uncaught exception {type}".format(type=type(e)), exc_info=1)
raise aiohttp.web.HTTPInternalServerError(text="uncaught exception: {}".format(e))
if service_installed is False:
raise aiohttp.web.HTTPInternalServerError(text="The Winpcap or Npcap is not installed or running")
# This interface have special behavior
for result in results:
result["special"] = False
for special_interface in ("lo", "vmnet", "vboxnet", "docker", "lxcbr",
"virbr", "ovs-system", "veth", "fw", "p2p",
"bridge", "vmware", "virtualbox", "gns3"):
if result["name"].lower().startswith(special_interface):
result["special"] = True
for special_interface in ("-nic"):
if result["name"].lower().endswith(special_interface):
result["special"] = True
return results | [
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GNS3/gns3-server | gns3server/controller/gns3vm/vmware_gns3_vm.py | VMwareGNS3VM._set_vcpus_ram | def _set_vcpus_ram(self, vcpus, ram):
"""
Set the number of vCPU cores and amount of RAM for the GNS3 VM.
:param vcpus: number of vCPU cores
:param ram: amount of RAM
"""
# memory must be a multiple of 4 (VMware requirement)
if ram % 4 != 0:
raise GNS3VMError("Allocated memory {} for the GNS3 VM must be a multiple of 4".format(ram))
available_vcpus = psutil.cpu_count(logical=False)
if vcpus > available_vcpus:
raise GNS3VMError("You have allocated too many vCPUs for the GNS3 VM! (max available is {} vCPUs)".format(available_vcpus))
try:
pairs = VMware.parse_vmware_file(self._vmx_path)
pairs["numvcpus"] = str(vcpus)
pairs["memsize"] = str(ram)
VMware.write_vmx_file(self._vmx_path, pairs)
log.info("GNS3 VM vCPU count set to {} and RAM amount set to {}".format(vcpus, ram))
except OSError as e:
raise GNS3VMError('Could not read/write VMware VMX file "{}": {}'.format(self._vmx_path, e)) | python | def _set_vcpus_ram(self, vcpus, ram):
"""
Set the number of vCPU cores and amount of RAM for the GNS3 VM.
:param vcpus: number of vCPU cores
:param ram: amount of RAM
"""
# memory must be a multiple of 4 (VMware requirement)
if ram % 4 != 0:
raise GNS3VMError("Allocated memory {} for the GNS3 VM must be a multiple of 4".format(ram))
available_vcpus = psutil.cpu_count(logical=False)
if vcpus > available_vcpus:
raise GNS3VMError("You have allocated too many vCPUs for the GNS3 VM! (max available is {} vCPUs)".format(available_vcpus))
try:
pairs = VMware.parse_vmware_file(self._vmx_path)
pairs["numvcpus"] = str(vcpus)
pairs["memsize"] = str(ram)
VMware.write_vmx_file(self._vmx_path, pairs)
log.info("GNS3 VM vCPU count set to {} and RAM amount set to {}".format(vcpus, ram))
except OSError as e:
raise GNS3VMError('Could not read/write VMware VMX file "{}": {}'.format(self._vmx_path, e)) | [
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GNS3/gns3-server | gns3server/controller/gns3vm/vmware_gns3_vm.py | VMwareGNS3VM.list | def list(self):
"""
List all VMware VMs
"""
try:
return (yield from self._vmware_manager.list_vms())
except VMwareError as e:
raise GNS3VMError("Could not list VMware VMs: {}".format(str(e))) | python | def list(self):
"""
List all VMware VMs
"""
try:
return (yield from self._vmware_manager.list_vms())
except VMwareError as e:
raise GNS3VMError("Could not list VMware VMs: {}".format(str(e))) | [
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GNS3/gns3-server | gns3server/compute/vmware/vmware_vm.py | VMwareVM._read_vmx_file | def _read_vmx_file(self):
"""
Reads from the VMware VMX file corresponding to this VM.
"""
try:
self._vmx_pairs = self.manager.parse_vmware_file(self._vmx_path)
except OSError as e:
raise VMwareError('Could not read VMware VMX file "{}": {}'.format(self._vmx_path, e)) | python | def _read_vmx_file(self):
"""
Reads from the VMware VMX file corresponding to this VM.
"""
try:
self._vmx_pairs = self.manager.parse_vmware_file(self._vmx_path)
except OSError as e:
raise VMwareError('Could not read VMware VMX file "{}": {}'.format(self._vmx_path, e)) | [
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GNS3/gns3-server | gns3server/compute/vmware/vmware_vm.py | VMwareVM._write_vmx_file | def _write_vmx_file(self):
"""
Writes pairs to the VMware VMX file corresponding to this VM.
"""
try:
self.manager.write_vmx_file(self._vmx_path, self._vmx_pairs)
except OSError as e:
raise VMwareError('Could not write VMware VMX file "{}": {}'.format(self._vmx_path, e)) | python | def _write_vmx_file(self):
"""
Writes pairs to the VMware VMX file corresponding to this VM.
"""
try:
self.manager.write_vmx_file(self._vmx_path, self._vmx_pairs)
except OSError as e:
raise VMwareError('Could not write VMware VMX file "{}": {}'.format(self._vmx_path, e)) | [
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GNS3/gns3-server | gns3server/compute/vmware/vmware_vm.py | VMwareVM.create | def create(self):
"""
Creates this VM and handle linked clones.
"""
if not self.linked_clone:
yield from self._check_duplicate_linked_clone()
yield from self.manager.check_vmrun_version()
if self.linked_clone and not os.path.exists(os.path.join(self.working_dir, os.path.basename(self._vmx_path))):
if self.manager.host_type == "player":
raise VMwareError("Linked clones are not supported by VMware Player")
# create the base snapshot for linked clones
base_snapshot_name = "GNS3 Linked Base for clones"
vmsd_path = os.path.splitext(self._vmx_path)[0] + ".vmsd"
if not os.path.exists(vmsd_path):
raise VMwareError("{} doesn't not exist".format(vmsd_path))
try:
vmsd_pairs = self.manager.parse_vmware_file(vmsd_path)
except OSError as e:
raise VMwareError('Could not read VMware VMSD file "{}": {}'.format(vmsd_path, e))
gns3_snapshot_exists = False
for value in vmsd_pairs.values():
if value == base_snapshot_name:
gns3_snapshot_exists = True
break
if not gns3_snapshot_exists:
log.info("Creating snapshot '{}'".format(base_snapshot_name))
yield from self._control_vm("snapshot", base_snapshot_name)
# create the linked clone based on the base snapshot
new_vmx_path = os.path.join(self.working_dir, self.name + ".vmx")
yield from self._control_vm("clone",
new_vmx_path,
"linked",
"-snapshot={}".format(base_snapshot_name),
"-cloneName={}".format(self.name))
try:
vmsd_pairs = self.manager.parse_vmware_file(vmsd_path)
except OSError as e:
raise VMwareError('Could not read VMware VMSD file "{}": {}'.format(vmsd_path, e))
snapshot_name = None
for name, value in vmsd_pairs.items():
if value == base_snapshot_name:
snapshot_name = name.split(".", 1)[0]
break
if snapshot_name is None:
raise VMwareError("Could not find the linked base snapshot in {}".format(vmsd_path))
num_clones_entry = "{}.numClones".format(snapshot_name)
if num_clones_entry in vmsd_pairs:
try:
nb_of_clones = int(vmsd_pairs[num_clones_entry])
except ValueError:
raise VMwareError("Value of {} in {} is not a number".format(num_clones_entry, vmsd_path))
vmsd_pairs[num_clones_entry] = str(nb_of_clones - 1)
for clone_nb in range(0, nb_of_clones):
clone_entry = "{}.clone{}".format(snapshot_name, clone_nb)
if clone_entry in vmsd_pairs:
del vmsd_pairs[clone_entry]
try:
self.manager.write_vmware_file(vmsd_path, vmsd_pairs)
except OSError as e:
raise VMwareError('Could not write VMware VMSD file "{}": {}'.format(vmsd_path, e))
# update the VMX file path
self._vmx_path = new_vmx_path | python | def create(self):
"""
Creates this VM and handle linked clones.
"""
if not self.linked_clone:
yield from self._check_duplicate_linked_clone()
yield from self.manager.check_vmrun_version()
if self.linked_clone and not os.path.exists(os.path.join(self.working_dir, os.path.basename(self._vmx_path))):
if self.manager.host_type == "player":
raise VMwareError("Linked clones are not supported by VMware Player")
# create the base snapshot for linked clones
base_snapshot_name = "GNS3 Linked Base for clones"
vmsd_path = os.path.splitext(self._vmx_path)[0] + ".vmsd"
if not os.path.exists(vmsd_path):
raise VMwareError("{} doesn't not exist".format(vmsd_path))
try:
vmsd_pairs = self.manager.parse_vmware_file(vmsd_path)
except OSError as e:
raise VMwareError('Could not read VMware VMSD file "{}": {}'.format(vmsd_path, e))
gns3_snapshot_exists = False
for value in vmsd_pairs.values():
if value == base_snapshot_name:
gns3_snapshot_exists = True
break
if not gns3_snapshot_exists:
log.info("Creating snapshot '{}'".format(base_snapshot_name))
yield from self._control_vm("snapshot", base_snapshot_name)
# create the linked clone based on the base snapshot
new_vmx_path = os.path.join(self.working_dir, self.name + ".vmx")
yield from self._control_vm("clone",
new_vmx_path,
"linked",
"-snapshot={}".format(base_snapshot_name),
"-cloneName={}".format(self.name))
try:
vmsd_pairs = self.manager.parse_vmware_file(vmsd_path)
except OSError as e:
raise VMwareError('Could not read VMware VMSD file "{}": {}'.format(vmsd_path, e))
snapshot_name = None
for name, value in vmsd_pairs.items():
if value == base_snapshot_name:
snapshot_name = name.split(".", 1)[0]
break
if snapshot_name is None:
raise VMwareError("Could not find the linked base snapshot in {}".format(vmsd_path))
num_clones_entry = "{}.numClones".format(snapshot_name)
if num_clones_entry in vmsd_pairs:
try:
nb_of_clones = int(vmsd_pairs[num_clones_entry])
except ValueError:
raise VMwareError("Value of {} in {} is not a number".format(num_clones_entry, vmsd_path))
vmsd_pairs[num_clones_entry] = str(nb_of_clones - 1)
for clone_nb in range(0, nb_of_clones):
clone_entry = "{}.clone{}".format(snapshot_name, clone_nb)
if clone_entry in vmsd_pairs:
del vmsd_pairs[clone_entry]
try:
self.manager.write_vmware_file(vmsd_path, vmsd_pairs)
except OSError as e:
raise VMwareError('Could not write VMware VMSD file "{}": {}'.format(vmsd_path, e))
# update the VMX file path
self._vmx_path = new_vmx_path | [
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GNS3/gns3-server | gns3server/compute/vmware/vmware_vm.py | VMwareVM._set_network_options | def _set_network_options(self):
"""
Set up VMware networking.
"""
# first some sanity checks
for adapter_number in range(0, self._adapters):
# we want the vmnet interface to be connected when starting the VM
connected = "ethernet{}.startConnected".format(adapter_number)
if self._get_vmx_setting(connected):
del self._vmx_pairs[connected]
# then configure VMware network adapters
self.manager.refresh_vmnet_list()
for adapter_number in range(0, self._adapters):
# add/update the interface
if self._adapter_type == "default":
# force default to e1000 because some guest OS don't detect the adapter (i.e. Windows 2012 server)
# when 'virtualdev' is not set in the VMX file.
adapter_type = "e1000"
else:
adapter_type = self._adapter_type
ethernet_adapter = {"ethernet{}.present".format(adapter_number): "TRUE",
"ethernet{}.addresstype".format(adapter_number): "generated",
"ethernet{}.generatedaddressoffset".format(adapter_number): "0",
"ethernet{}.virtualdev".format(adapter_number): adapter_type}
self._vmx_pairs.update(ethernet_adapter)
connection_type = "ethernet{}.connectiontype".format(adapter_number)
if not self._use_any_adapter and connection_type in self._vmx_pairs and self._vmx_pairs[connection_type] in ("nat", "bridged", "hostonly"):
continue
self._vmx_pairs["ethernet{}.connectiontype".format(adapter_number)] = "custom"
# make sure we have a vmnet per adapter if we use uBridge
allocate_vmnet = False
# first check if a vmnet is already assigned to the adapter
vnet = "ethernet{}.vnet".format(adapter_number)
if vnet in self._vmx_pairs:
vmnet = os.path.basename(self._vmx_pairs[vnet])
if self.manager.is_managed_vmnet(vmnet) or vmnet in ("vmnet0", "vmnet1", "vmnet8"):
# vmnet already managed, try to allocate a new one
allocate_vmnet = True
else:
# otherwise allocate a new one
allocate_vmnet = True
if allocate_vmnet:
try:
vmnet = self.manager.allocate_vmnet()
except BaseException:
# clear everything up in case of error (e.g. no enough vmnets)
self._vmnets.clear()
raise
# mark the vmnet managed by us
if vmnet not in self._vmnets:
self._vmnets.append(vmnet)
self._vmx_pairs["ethernet{}.vnet".format(adapter_number)] = vmnet
# disable remaining network adapters
for adapter_number in range(self._adapters, self._maximum_adapters):
if self._get_vmx_setting("ethernet{}.present".format(adapter_number), "TRUE"):
log.debug("disabling remaining adapter {}".format(adapter_number))
self._vmx_pairs["ethernet{}.startconnected".format(adapter_number)] = "FALSE" | python | def _set_network_options(self):
"""
Set up VMware networking.
"""
# first some sanity checks
for adapter_number in range(0, self._adapters):
# we want the vmnet interface to be connected when starting the VM
connected = "ethernet{}.startConnected".format(adapter_number)
if self._get_vmx_setting(connected):
del self._vmx_pairs[connected]
# then configure VMware network adapters
self.manager.refresh_vmnet_list()
for adapter_number in range(0, self._adapters):
# add/update the interface
if self._adapter_type == "default":
# force default to e1000 because some guest OS don't detect the adapter (i.e. Windows 2012 server)
# when 'virtualdev' is not set in the VMX file.
adapter_type = "e1000"
else:
adapter_type = self._adapter_type
ethernet_adapter = {"ethernet{}.present".format(adapter_number): "TRUE",
"ethernet{}.addresstype".format(adapter_number): "generated",
"ethernet{}.generatedaddressoffset".format(adapter_number): "0",
"ethernet{}.virtualdev".format(adapter_number): adapter_type}
self._vmx_pairs.update(ethernet_adapter)
connection_type = "ethernet{}.connectiontype".format(adapter_number)
if not self._use_any_adapter and connection_type in self._vmx_pairs and self._vmx_pairs[connection_type] in ("nat", "bridged", "hostonly"):
continue
self._vmx_pairs["ethernet{}.connectiontype".format(adapter_number)] = "custom"
# make sure we have a vmnet per adapter if we use uBridge
allocate_vmnet = False
# first check if a vmnet is already assigned to the adapter
vnet = "ethernet{}.vnet".format(adapter_number)
if vnet in self._vmx_pairs:
vmnet = os.path.basename(self._vmx_pairs[vnet])
if self.manager.is_managed_vmnet(vmnet) or vmnet in ("vmnet0", "vmnet1", "vmnet8"):
# vmnet already managed, try to allocate a new one
allocate_vmnet = True
else:
# otherwise allocate a new one
allocate_vmnet = True
if allocate_vmnet:
try:
vmnet = self.manager.allocate_vmnet()
except BaseException:
# clear everything up in case of error (e.g. no enough vmnets)
self._vmnets.clear()
raise
# mark the vmnet managed by us
if vmnet not in self._vmnets:
self._vmnets.append(vmnet)
self._vmx_pairs["ethernet{}.vnet".format(adapter_number)] = vmnet
# disable remaining network adapters
for adapter_number in range(self._adapters, self._maximum_adapters):
if self._get_vmx_setting("ethernet{}.present".format(adapter_number), "TRUE"):
log.debug("disabling remaining adapter {}".format(adapter_number))
self._vmx_pairs["ethernet{}.startconnected".format(adapter_number)] = "FALSE" | [
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GNS3/gns3-server | gns3server/compute/vmware/vmware_vm.py | VMwareVM._get_vnet | def _get_vnet(self, adapter_number):
"""
Return the vnet will use in ubridge
"""
vnet = "ethernet{}.vnet".format(adapter_number)
if vnet not in self._vmx_pairs:
raise VMwareError("vnet {} not in VMX file".format(vnet))
return vnet | python | def _get_vnet(self, adapter_number):
"""
Return the vnet will use in ubridge
"""
vnet = "ethernet{}.vnet".format(adapter_number)
if vnet not in self._vmx_pairs:
raise VMwareError("vnet {} not in VMX file".format(vnet))
return vnet | [
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GNS3/gns3-server | gns3server/compute/vmware/vmware_vm.py | VMwareVM._update_ubridge_connection | def _update_ubridge_connection(self, adapter_number, nio):
"""
Update a connection in uBridge.
:param nio: NIO instance
:param adapter_number: adapter number
"""
try:
bridge_name = self._get_vnet(adapter_number)
except VMwareError:
return # vnet not yet available
yield from self._ubridge_apply_filters(bridge_name, nio.filters) | python | def _update_ubridge_connection(self, adapter_number, nio):
"""
Update a connection in uBridge.
:param nio: NIO instance
:param adapter_number: adapter number
"""
try:
bridge_name = self._get_vnet(adapter_number)
except VMwareError:
return # vnet not yet available
yield from self._ubridge_apply_filters(bridge_name, nio.filters) | [
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GNS3/gns3-server | gns3server/compute/vmware/vmware_vm.py | VMwareVM.start | def start(self):
"""
Starts this VMware VM.
"""
if self.status == "started":
return
if (yield from self.is_running()):
raise VMwareError("The VM is already running in VMware")
ubridge_path = self.ubridge_path
if not ubridge_path or not os.path.isfile(ubridge_path):
raise VMwareError("ubridge is necessary to start a VMware VM")
yield from self._start_ubridge()
self._read_vmx_file()
# check if there is enough RAM to run
if "memsize" in self._vmx_pairs:
self.check_available_ram(int(self._vmx_pairs["memsize"]))
self._set_network_options()
self._set_serial_console()
self._write_vmx_file()
if self._headless:
yield from self._control_vm("start", "nogui")
else:
yield from self._control_vm("start")
try:
if self._ubridge_hypervisor:
for adapter_number in range(0, self._adapters):
nio = self._ethernet_adapters[adapter_number].get_nio(0)
if nio:
yield from self._add_ubridge_connection(nio, adapter_number)
yield from self._start_console()
except VMwareError:
yield from self.stop()
raise
if self._get_vmx_setting("vhv.enable", "TRUE"):
self._hw_virtualization = True
self._started = True
self.status = "started"
log.info("VMware VM '{name}' [{id}] started".format(name=self.name, id=self.id)) | python | def start(self):
"""
Starts this VMware VM.
"""
if self.status == "started":
return
if (yield from self.is_running()):
raise VMwareError("The VM is already running in VMware")
ubridge_path = self.ubridge_path
if not ubridge_path or not os.path.isfile(ubridge_path):
raise VMwareError("ubridge is necessary to start a VMware VM")
yield from self._start_ubridge()
self._read_vmx_file()
# check if there is enough RAM to run
if "memsize" in self._vmx_pairs:
self.check_available_ram(int(self._vmx_pairs["memsize"]))
self._set_network_options()
self._set_serial_console()
self._write_vmx_file()
if self._headless:
yield from self._control_vm("start", "nogui")
else:
yield from self._control_vm("start")
try:
if self._ubridge_hypervisor:
for adapter_number in range(0, self._adapters):
nio = self._ethernet_adapters[adapter_number].get_nio(0)
if nio:
yield from self._add_ubridge_connection(nio, adapter_number)
yield from self._start_console()
except VMwareError:
yield from self.stop()
raise
if self._get_vmx_setting("vhv.enable", "TRUE"):
self._hw_virtualization = True
self._started = True
self.status = "started"
log.info("VMware VM '{name}' [{id}] started".format(name=self.name, id=self.id)) | [
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GNS3/gns3-server | gns3server/compute/vmware/vmware_vm.py | VMwareVM.stop | def stop(self):
"""
Stops this VMware VM.
"""
self._hw_virtualization = False
yield from self._stop_remote_console()
yield from self._stop_ubridge()
try:
if (yield from self.is_running()):
if self.acpi_shutdown:
# use ACPI to shutdown the VM
yield from self._control_vm("stop", "soft")
else:
yield from self._control_vm("stop")
finally:
self._started = False
self.status = "stopped"
self._read_vmx_file()
self._vmnets.clear()
# remove the adapters managed by GNS3
for adapter_number in range(0, self._adapters):
vnet = "ethernet{}.vnet".format(adapter_number)
if self._get_vmx_setting(vnet) or self._get_vmx_setting("ethernet{}.connectiontype".format(adapter_number)) is None:
if vnet in self._vmx_pairs:
vmnet = os.path.basename(self._vmx_pairs[vnet])
if not self.manager.is_managed_vmnet(vmnet):
continue
log.debug("removing adapter {}".format(adapter_number))
self._vmx_pairs[vnet] = "vmnet1"
self._vmx_pairs["ethernet{}.connectiontype".format(adapter_number)] = "custom"
# re-enable any remaining network adapters
for adapter_number in range(self._adapters, self._maximum_adapters):
if self._get_vmx_setting("ethernet{}.present".format(adapter_number), "TRUE"):
log.debug("enabling remaining adapter {}".format(adapter_number))
self._vmx_pairs["ethernet{}.startconnected".format(adapter_number)] = "TRUE"
self._write_vmx_file()
yield from super().stop()
log.info("VMware VM '{name}' [{id}] stopped".format(name=self.name, id=self.id)) | python | def stop(self):
"""
Stops this VMware VM.
"""
self._hw_virtualization = False
yield from self._stop_remote_console()
yield from self._stop_ubridge()
try:
if (yield from self.is_running()):
if self.acpi_shutdown:
# use ACPI to shutdown the VM
yield from self._control_vm("stop", "soft")
else:
yield from self._control_vm("stop")
finally:
self._started = False
self.status = "stopped"
self._read_vmx_file()
self._vmnets.clear()
# remove the adapters managed by GNS3
for adapter_number in range(0, self._adapters):
vnet = "ethernet{}.vnet".format(adapter_number)
if self._get_vmx_setting(vnet) or self._get_vmx_setting("ethernet{}.connectiontype".format(adapter_number)) is None:
if vnet in self._vmx_pairs:
vmnet = os.path.basename(self._vmx_pairs[vnet])
if not self.manager.is_managed_vmnet(vmnet):
continue
log.debug("removing adapter {}".format(adapter_number))
self._vmx_pairs[vnet] = "vmnet1"
self._vmx_pairs["ethernet{}.connectiontype".format(adapter_number)] = "custom"
# re-enable any remaining network adapters
for adapter_number in range(self._adapters, self._maximum_adapters):
if self._get_vmx_setting("ethernet{}.present".format(adapter_number), "TRUE"):
log.debug("enabling remaining adapter {}".format(adapter_number))
self._vmx_pairs["ethernet{}.startconnected".format(adapter_number)] = "TRUE"
self._write_vmx_file()
yield from super().stop()
log.info("VMware VM '{name}' [{id}] stopped".format(name=self.name, id=self.id)) | [
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GNS3/gns3-server | gns3server/compute/vmware/vmware_vm.py | VMwareVM.suspend | def suspend(self):
"""
Suspends this VMware VM.
"""
if self.manager.host_type != "ws":
raise VMwareError("Pausing a VM is only supported by VMware Workstation")
yield from self._control_vm("pause")
self.status = "suspended"
log.info("VMware VM '{name}' [{id}] paused".format(name=self.name, id=self.id)) | python | def suspend(self):
"""
Suspends this VMware VM.
"""
if self.manager.host_type != "ws":
raise VMwareError("Pausing a VM is only supported by VMware Workstation")
yield from self._control_vm("pause")
self.status = "suspended"
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GNS3/gns3-server | gns3server/compute/vmware/vmware_vm.py | VMwareVM.close | def close(self):
"""
Closes this VMware VM.
"""
if not (yield from super().close()):
return False
for adapter in self._ethernet_adapters.values():
if adapter is not None:
for nio in adapter.ports.values():
if nio and isinstance(nio, NIOUDP):
self.manager.port_manager.release_udp_port(nio.lport, self._project)
try:
self.acpi_shutdown = False
yield from self.stop()
except VMwareError:
pass
if self.linked_clone:
yield from self.manager.remove_from_vmware_inventory(self._vmx_path) | python | def close(self):
"""
Closes this VMware VM.
"""
if not (yield from super().close()):
return False
for adapter in self._ethernet_adapters.values():
if adapter is not None:
for nio in adapter.ports.values():
if nio and isinstance(nio, NIOUDP):
self.manager.port_manager.release_udp_port(nio.lport, self._project)
try:
self.acpi_shutdown = False
yield from self.stop()
except VMwareError:
pass
if self.linked_clone:
yield from self.manager.remove_from_vmware_inventory(self._vmx_path) | [
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GNS3/gns3-server | gns3server/compute/vmware/vmware_vm.py | VMwareVM.headless | def headless(self, headless):
"""
Sets either the VM will start in headless mode
:param headless: boolean
"""
if headless:
log.info("VMware VM '{name}' [{id}] has enabled the headless mode".format(name=self.name, id=self.id))
else:
log.info("VMware VM '{name}' [{id}] has disabled the headless mode".format(name=self.name, id=self.id))
self._headless = headless | python | def headless(self, headless):
"""
Sets either the VM will start in headless mode
:param headless: boolean
"""
if headless:
log.info("VMware VM '{name}' [{id}] has enabled the headless mode".format(name=self.name, id=self.id))
else:
log.info("VMware VM '{name}' [{id}] has disabled the headless mode".format(name=self.name, id=self.id))
self._headless = headless | [
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GNS3/gns3-server | gns3server/compute/vmware/vmware_vm.py | VMwareVM.vmx_path | def vmx_path(self, vmx_path):
"""
Sets the path to the vmx file.
:param vmx_path: VMware vmx file
"""
log.info("VMware VM '{name}' [{id}] has set the vmx file path to '{vmx}'".format(name=self.name, id=self.id, vmx=vmx_path))
self._vmx_path = vmx_path | python | def vmx_path(self, vmx_path):
"""
Sets the path to the vmx file.
:param vmx_path: VMware vmx file
"""
log.info("VMware VM '{name}' [{id}] has set the vmx file path to '{vmx}'".format(name=self.name, id=self.id, vmx=vmx_path))
self._vmx_path = vmx_path | [
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GNS3/gns3-server | gns3server/compute/vmware/vmware_vm.py | VMwareVM.adapters | def adapters(self, adapters):
"""
Sets the number of Ethernet adapters for this VMware VM instance.
:param adapters: number of adapters
"""
# VMware VMs are limited to 10 adapters
if adapters > 10:
raise VMwareError("Number of adapters above the maximum supported of 10")
self._ethernet_adapters.clear()
for adapter_number in range(0, adapters):
self._ethernet_adapters[adapter_number] = EthernetAdapter()
self._adapters = len(self._ethernet_adapters)
log.info("VMware VM '{name}' [{id}] has changed the number of Ethernet adapters to {adapters}".format(name=self.name,
id=self.id,
adapters=adapters)) | python | def adapters(self, adapters):
"""
Sets the number of Ethernet adapters for this VMware VM instance.
:param adapters: number of adapters
"""
# VMware VMs are limited to 10 adapters
if adapters > 10:
raise VMwareError("Number of adapters above the maximum supported of 10")
self._ethernet_adapters.clear()
for adapter_number in range(0, adapters):
self._ethernet_adapters[adapter_number] = EthernetAdapter()
self._adapters = len(self._ethernet_adapters)
log.info("VMware VM '{name}' [{id}] has changed the number of Ethernet adapters to {adapters}".format(name=self.name,
id=self.id,
adapters=adapters)) | [
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GNS3/gns3-server | gns3server/compute/vmware/vmware_vm.py | VMwareVM.adapter_type | def adapter_type(self, adapter_type):
"""
Sets the adapter type for this VMware VM instance.
:param adapter_type: adapter type (string)
"""
self._adapter_type = adapter_type
log.info("VMware VM '{name}' [{id}]: adapter type changed to {adapter_type}".format(name=self.name,
id=self.id,
adapter_type=adapter_type)) | python | def adapter_type(self, adapter_type):
"""
Sets the adapter type for this VMware VM instance.
:param adapter_type: adapter type (string)
"""
self._adapter_type = adapter_type
log.info("VMware VM '{name}' [{id}]: adapter type changed to {adapter_type}".format(name=self.name,
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GNS3/gns3-server | gns3server/compute/vmware/vmware_vm.py | VMwareVM.use_any_adapter | def use_any_adapter(self, use_any_adapter):
"""
Allows GNS3 to use any VMware adapter on this instance.
:param use_any_adapter: boolean
"""
if use_any_adapter:
log.info("VMware VM '{name}' [{id}] is allowed to use any adapter".format(name=self.name, id=self.id))
else:
log.info("VMware VM '{name}' [{id}] is not allowed to use any adapter".format(name=self.name, id=self.id))
self._use_any_adapter = use_any_adapter | python | def use_any_adapter(self, use_any_adapter):
"""
Allows GNS3 to use any VMware adapter on this instance.
:param use_any_adapter: boolean
"""
if use_any_adapter:
log.info("VMware VM '{name}' [{id}] is allowed to use any adapter".format(name=self.name, id=self.id))
else:
log.info("VMware VM '{name}' [{id}] is not allowed to use any adapter".format(name=self.name, id=self.id))
self._use_any_adapter = use_any_adapter | [
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GNS3/gns3-server | gns3server/compute/vmware/vmware_vm.py | VMwareVM._get_pipe_name | def _get_pipe_name(self):
"""
Returns the pipe name to create a serial connection.
:returns: pipe path (string)
"""
if sys.platform.startswith("win"):
pipe_name = r"\\.\pipe\gns3_vmware\{}".format(self.id)
else:
pipe_name = os.path.join(tempfile.gettempdir(), "gns3_vmware", "{}".format(self.id))
try:
os.makedirs(os.path.dirname(pipe_name), exist_ok=True)
except OSError as e:
raise VMwareError("Could not create the VMware pipe directory: {}".format(e))
return pipe_name | python | def _get_pipe_name(self):
"""
Returns the pipe name to create a serial connection.
:returns: pipe path (string)
"""
if sys.platform.startswith("win"):
pipe_name = r"\\.\pipe\gns3_vmware\{}".format(self.id)
else:
pipe_name = os.path.join(tempfile.gettempdir(), "gns3_vmware", "{}".format(self.id))
try:
os.makedirs(os.path.dirname(pipe_name), exist_ok=True)
except OSError as e:
raise VMwareError("Could not create the VMware pipe directory: {}".format(e))
return pipe_name | [
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GNS3/gns3-server | gns3server/compute/vmware/vmware_vm.py | VMwareVM._start_console | def _start_console(self):
"""
Starts remote console support for this VM.
"""
self._remote_pipe = yield from asyncio_open_serial(self._get_pipe_name())
server = AsyncioTelnetServer(reader=self._remote_pipe,
writer=self._remote_pipe,
binary=True,
echo=True)
self._telnet_server = yield from asyncio.start_server(server.run, self._manager.port_manager.console_host, self.console) | python | def _start_console(self):
"""
Starts remote console support for this VM.
"""
self._remote_pipe = yield from asyncio_open_serial(self._get_pipe_name())
server = AsyncioTelnetServer(reader=self._remote_pipe,
writer=self._remote_pipe,
binary=True,
echo=True)
self._telnet_server = yield from asyncio.start_server(server.run, self._manager.port_manager.console_host, self.console) | [
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GNS3/gns3-server | gns3server/compute/vmware/vmware_vm.py | VMwareVM._stop_remote_console | def _stop_remote_console(self):
"""
Stops remote console support for this VM.
"""
if self._telnet_server:
self._telnet_server.close()
yield from self._telnet_server.wait_closed()
self._remote_pipe.close()
self._telnet_server = None | python | def _stop_remote_console(self):
"""
Stops remote console support for this VM.
"""
if self._telnet_server:
self._telnet_server.close()
yield from self._telnet_server.wait_closed()
self._remote_pipe.close()
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GNS3/gns3-server | gns3server/utils/path.py | get_default_project_directory | def get_default_project_directory():
"""
Return the default location for the project directory
depending of the operating system
"""
server_config = Config.instance().get_section_config("Server")
path = os.path.expanduser(server_config.get("projects_path", "~/GNS3/projects"))
path = os.path.normpath(path)
try:
os.makedirs(path, exist_ok=True)
except OSError as e:
raise aiohttp.web.HTTPInternalServerError(text="Could not create project directory: {}".format(e))
return path | python | def get_default_project_directory():
"""
Return the default location for the project directory
depending of the operating system
"""
server_config = Config.instance().get_section_config("Server")
path = os.path.expanduser(server_config.get("projects_path", "~/GNS3/projects"))
path = os.path.normpath(path)
try:
os.makedirs(path, exist_ok=True)
except OSError as e:
raise aiohttp.web.HTTPInternalServerError(text="Could not create project directory: {}".format(e))
return path | [
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GNS3/gns3-server | gns3server/utils/path.py | check_path_allowed | def check_path_allowed(path):
"""
If the server is non local raise an error if
the path is outside project directories
Raise a 403 in case of error
"""
config = Config.instance().get_section_config("Server")
project_directory = get_default_project_directory()
if len(os.path.commonprefix([project_directory, path])) == len(project_directory):
return
if "local" in config and config.getboolean("local") is False:
raise aiohttp.web.HTTPForbidden(text="The path is not allowed") | python | def check_path_allowed(path):
"""
If the server is non local raise an error if
the path is outside project directories
Raise a 403 in case of error
"""
config = Config.instance().get_section_config("Server")
project_directory = get_default_project_directory()
if len(os.path.commonprefix([project_directory, path])) == len(project_directory):
return
if "local" in config and config.getboolean("local") is False:
raise aiohttp.web.HTTPForbidden(text="The path is not allowed") | [
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GNS3/gns3-server | gns3server/compute/dynamips/nodes/ethernet_hub.py | EthernetHub.ports_mapping | def ports_mapping(self, ports):
"""
Set the ports on this hub
:param ports: ports info
"""
if ports != self._ports:
if len(self._mappings) > 0:
raise NodeError("Can't modify a hub already connected.")
port_number = 0
for port in ports:
port["name"] = "Ethernet{}".format(port_number)
port["port_number"] = port_number
port_number += 1
self._ports = ports | python | def ports_mapping(self, ports):
"""
Set the ports on this hub
:param ports: ports info
"""
if ports != self._ports:
if len(self._mappings) > 0:
raise NodeError("Can't modify a hub already connected.")
port_number = 0
for port in ports:
port["name"] = "Ethernet{}".format(port_number)
port["port_number"] = port_number
port_number += 1
self._ports = ports | [
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GNS3/gns3-server | gns3server/compute/dynamips/nodes/ethernet_hub.py | EthernetHub.close | def close(self):
"""
Deletes this hub.
"""
for nio in self._nios:
if nio:
yield from nio.close()
try:
yield from Bridge.delete(self)
log.info('Ethernet hub "{name}" [{id}] has been deleted'.format(name=self._name, id=self._id))
except DynamipsError:
log.debug("Could not properly delete Ethernet hub {}".format(self._name))
if self._hypervisor and not self._hypervisor.devices:
yield from self.hypervisor.stop()
self._hypervisor = None
return True | python | def close(self):
"""
Deletes this hub.
"""
for nio in self._nios:
if nio:
yield from nio.close()
try:
yield from Bridge.delete(self)
log.info('Ethernet hub "{name}" [{id}] has been deleted'.format(name=self._name, id=self._id))
except DynamipsError:
log.debug("Could not properly delete Ethernet hub {}".format(self._name))
if self._hypervisor and not self._hypervisor.devices:
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return True | [
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GNS3/gns3-server | gns3server/compute/dynamips/nodes/ethernet_hub.py | EthernetHub.add_nio | def add_nio(self, nio, port_number):
"""
Adds a NIO as new port on this hub.
:param nio: NIO instance to add
:param port_number: port to allocate for the NIO
"""
if port_number not in [port["port_number"] for port in self._ports]:
raise DynamipsError("Port {} doesn't exist".format(port_number))
if port_number in self._mappings:
raise DynamipsError("Port {} isn't free".format(port_number))
yield from Bridge.add_nio(self, nio)
log.info('Ethernet hub "{name}" [{id}]: NIO {nio} bound to port {port}'.format(name=self._name,
id=self._id,
nio=nio,
port=port_number))
self._mappings[port_number] = nio | python | def add_nio(self, nio, port_number):
"""
Adds a NIO as new port on this hub.
:param nio: NIO instance to add
:param port_number: port to allocate for the NIO
"""
if port_number not in [port["port_number"] for port in self._ports]:
raise DynamipsError("Port {} doesn't exist".format(port_number))
if port_number in self._mappings:
raise DynamipsError("Port {} isn't free".format(port_number))
yield from Bridge.add_nio(self, nio)
log.info('Ethernet hub "{name}" [{id}]: NIO {nio} bound to port {port}'.format(name=self._name,
id=self._id,
nio=nio,
port=port_number))
self._mappings[port_number] = nio | [
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GNS3/gns3-server | gns3server/compute/dynamips/nodes/ethernet_hub.py | EthernetHub.remove_nio | def remove_nio(self, port_number):
"""
Removes the specified NIO as member of this hub.
:param port_number: allocated port number
:returns: the NIO that was bound to the allocated port
"""
if port_number not in self._mappings:
raise DynamipsError("Port {} is not allocated".format(port_number))
nio = self._mappings[port_number]
if isinstance(nio, NIOUDP):
self.manager.port_manager.release_udp_port(nio.lport, self._project)
yield from Bridge.remove_nio(self, nio)
log.info('Ethernet hub "{name}" [{id}]: NIO {nio} removed from port {port}'.format(name=self._name,
id=self._id,
nio=nio,
port=port_number))
del self._mappings[port_number]
return nio | python | def remove_nio(self, port_number):
"""
Removes the specified NIO as member of this hub.
:param port_number: allocated port number
:returns: the NIO that was bound to the allocated port
"""
if port_number not in self._mappings:
raise DynamipsError("Port {} is not allocated".format(port_number))
nio = self._mappings[port_number]
if isinstance(nio, NIOUDP):
self.manager.port_manager.release_udp_port(nio.lport, self._project)
yield from Bridge.remove_nio(self, nio)
log.info('Ethernet hub "{name}" [{id}]: NIO {nio} removed from port {port}'.format(name=self._name,
id=self._id,
nio=nio,
port=port_number))
del self._mappings[port_number]
return nio | [
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GNS3/gns3-server | gns3server/compute/base_manager.py | BaseManager.instance | def instance(cls):
"""
Singleton to return only one instance of BaseManager.
:returns: instance of BaseManager
"""
if not hasattr(cls, "_instance") or cls._instance is None:
cls._instance = cls()
return cls._instance | python | def instance(cls):
"""
Singleton to return only one instance of BaseManager.
:returns: instance of BaseManager
"""
if not hasattr(cls, "_instance") or cls._instance is None:
cls._instance = cls()
return cls._instance | [
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GNS3/gns3-server | gns3server/compute/base_manager.py | BaseManager.port_manager | def port_manager(self):
"""
Returns the port manager.
:returns: Port manager
"""
if self._port_manager is None:
self._port_manager = PortManager.instance()
return self._port_manager | python | def port_manager(self):
"""
Returns the port manager.
:returns: Port manager
"""
if self._port_manager is None:
self._port_manager = PortManager.instance()
return self._port_manager | [
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GNS3/gns3-server | gns3server/compute/base_manager.py | BaseManager.convert_old_project | def convert_old_project(self, project, legacy_id, name):
"""
Convert projects made before version 1.3
:param project: Project instance
:param legacy_id: old identifier
:param name: node name
:returns: new identifier
"""
new_id = str(uuid4())
legacy_project_files_path = os.path.join(project.path, "{}-files".format(project.name))
new_project_files_path = os.path.join(project.path, "project-files")
if os.path.exists(legacy_project_files_path) and not os.path.exists(new_project_files_path):
# move the project files
log.info("Converting old project...")
try:
log.info('Moving "{}" to "{}"'.format(legacy_project_files_path, new_project_files_path))
yield from wait_run_in_executor(shutil.move, legacy_project_files_path, new_project_files_path)
except OSError as e:
raise aiohttp.web.HTTPInternalServerError(text="Could not move project files directory: {} to {} {}".format(legacy_project_files_path,
new_project_files_path, e))
if project.is_local() is False:
legacy_remote_project_path = os.path.join(project.location, project.name, self.module_name.lower())
new_remote_project_path = os.path.join(project.path, "project-files", self.module_name.lower())
if os.path.exists(legacy_remote_project_path) and not os.path.exists(new_remote_project_path):
# move the legacy remote project (remote servers only)
log.info("Converting old remote project...")
try:
log.info('Moving "{}" to "{}"'.format(legacy_remote_project_path, new_remote_project_path))
yield from wait_run_in_executor(shutil.move, legacy_remote_project_path, new_remote_project_path)
except OSError as e:
raise aiohttp.web.HTTPInternalServerError(text="Could not move directory: {} to {} {}".format(legacy_remote_project_path,
new_remote_project_path, e))
if hasattr(self, "get_legacy_vm_workdir"):
# rename old project node working dir
log.info("Converting old node working directory...")
legacy_vm_dir = self.get_legacy_vm_workdir(legacy_id, name)
legacy_vm_working_path = os.path.join(new_project_files_path, legacy_vm_dir)
new_vm_working_path = os.path.join(new_project_files_path, self.module_name.lower(), new_id)
if os.path.exists(legacy_vm_working_path) and not os.path.exists(new_vm_working_path):
try:
log.info('Moving "{}" to "{}"'.format(legacy_vm_working_path, new_vm_working_path))
yield from wait_run_in_executor(shutil.move, legacy_vm_working_path, new_vm_working_path)
except OSError as e:
raise aiohttp.web.HTTPInternalServerError(text="Could not move vm working directory: {} to {} {}".format(legacy_vm_working_path,
new_vm_working_path, e))
return new_id | python | def convert_old_project(self, project, legacy_id, name):
"""
Convert projects made before version 1.3
:param project: Project instance
:param legacy_id: old identifier
:param name: node name
:returns: new identifier
"""
new_id = str(uuid4())
legacy_project_files_path = os.path.join(project.path, "{}-files".format(project.name))
new_project_files_path = os.path.join(project.path, "project-files")
if os.path.exists(legacy_project_files_path) and not os.path.exists(new_project_files_path):
# move the project files
log.info("Converting old project...")
try:
log.info('Moving "{}" to "{}"'.format(legacy_project_files_path, new_project_files_path))
yield from wait_run_in_executor(shutil.move, legacy_project_files_path, new_project_files_path)
except OSError as e:
raise aiohttp.web.HTTPInternalServerError(text="Could not move project files directory: {} to {} {}".format(legacy_project_files_path,
new_project_files_path, e))
if project.is_local() is False:
legacy_remote_project_path = os.path.join(project.location, project.name, self.module_name.lower())
new_remote_project_path = os.path.join(project.path, "project-files", self.module_name.lower())
if os.path.exists(legacy_remote_project_path) and not os.path.exists(new_remote_project_path):
# move the legacy remote project (remote servers only)
log.info("Converting old remote project...")
try:
log.info('Moving "{}" to "{}"'.format(legacy_remote_project_path, new_remote_project_path))
yield from wait_run_in_executor(shutil.move, legacy_remote_project_path, new_remote_project_path)
except OSError as e:
raise aiohttp.web.HTTPInternalServerError(text="Could not move directory: {} to {} {}".format(legacy_remote_project_path,
new_remote_project_path, e))
if hasattr(self, "get_legacy_vm_workdir"):
# rename old project node working dir
log.info("Converting old node working directory...")
legacy_vm_dir = self.get_legacy_vm_workdir(legacy_id, name)
legacy_vm_working_path = os.path.join(new_project_files_path, legacy_vm_dir)
new_vm_working_path = os.path.join(new_project_files_path, self.module_name.lower(), new_id)
if os.path.exists(legacy_vm_working_path) and not os.path.exists(new_vm_working_path):
try:
log.info('Moving "{}" to "{}"'.format(legacy_vm_working_path, new_vm_working_path))
yield from wait_run_in_executor(shutil.move, legacy_vm_working_path, new_vm_working_path)
except OSError as e:
raise aiohttp.web.HTTPInternalServerError(text="Could not move vm working directory: {} to {} {}".format(legacy_vm_working_path,
new_vm_working_path, e))
return new_id | [
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GNS3/gns3-server | gns3server/compute/base_manager.py | BaseManager.close_node | def close_node(self, node_id):
"""
Close a node
:param node_id: Node identifier
:returns: Node instance
"""
node = self.get_node(node_id)
if asyncio.iscoroutinefunction(node.close):
yield from node.close()
else:
node.close()
return node | python | def close_node(self, node_id):
"""
Close a node
:param node_id: Node identifier
:returns: Node instance
"""
node = self.get_node(node_id)
if asyncio.iscoroutinefunction(node.close):
yield from node.close()
else:
node.close()
return node | [
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GNS3/gns3-server | gns3server/compute/base_manager.py | BaseManager.delete_node | def delete_node(self, node_id):
"""
Delete a node. The node working directory will be destroyed when a commit is received.
:param node_id: Node identifier
:returns: Node instance
"""
node = None
try:
node = self.get_node(node_id)
yield from self.close_node(node_id)
finally:
if node:
node.project.emit("node.deleted", node)
yield from node.project.remove_node(node)
if node.id in self._nodes:
del self._nodes[node.id]
return node | python | def delete_node(self, node_id):
"""
Delete a node. The node working directory will be destroyed when a commit is received.
:param node_id: Node identifier
:returns: Node instance
"""
node = None
try:
node = self.get_node(node_id)
yield from self.close_node(node_id)
finally:
if node:
node.project.emit("node.deleted", node)
yield from node.project.remove_node(node)
if node.id in self._nodes:
del self._nodes[node.id]
return node | [
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GNS3/gns3-server | gns3server/compute/base_manager.py | BaseManager.has_privileged_access | def has_privileged_access(executable):
"""
Check if an executable have the right to attach to Ethernet and TAP adapters.
:param executable: executable path
:returns: True or False
"""
if sys.platform.startswith("win"):
# do not check anything on Windows
return True
if sys.platform.startswith("darwin"):
if os.stat(executable).st_uid == 0:
return True
if os.geteuid() == 0:
# we are root, so we should have privileged access.
return True
if os.stat(executable).st_uid == 0 and (os.stat(executable).st_mode & stat.S_ISUID or os.stat(executable).st_mode & stat.S_ISGID):
# the executable has set UID bit.
return True
# test if the executable has the CAP_NET_RAW capability (Linux only)
try:
if sys.platform.startswith("linux") and "security.capability" in os.listxattr(executable):
caps = os.getxattr(executable, "security.capability")
# test the 2nd byte and check if the 13th bit (CAP_NET_RAW) is set
if struct.unpack("<IIIII", caps)[1] & 1 << 13:
return True
except (AttributeError, OSError) as e:
log.error("could not determine if CAP_NET_RAW capability is set for {}: {}".format(executable, e))
return False | python | def has_privileged_access(executable):
"""
Check if an executable have the right to attach to Ethernet and TAP adapters.
:param executable: executable path
:returns: True or False
"""
if sys.platform.startswith("win"):
# do not check anything on Windows
return True
if sys.platform.startswith("darwin"):
if os.stat(executable).st_uid == 0:
return True
if os.geteuid() == 0:
# we are root, so we should have privileged access.
return True
if os.stat(executable).st_uid == 0 and (os.stat(executable).st_mode & stat.S_ISUID or os.stat(executable).st_mode & stat.S_ISGID):
# the executable has set UID bit.
return True
# test if the executable has the CAP_NET_RAW capability (Linux only)
try:
if sys.platform.startswith("linux") and "security.capability" in os.listxattr(executable):
caps = os.getxattr(executable, "security.capability")
# test the 2nd byte and check if the 13th bit (CAP_NET_RAW) is set
if struct.unpack("<IIIII", caps)[1] & 1 << 13:
return True
except (AttributeError, OSError) as e:
log.error("could not determine if CAP_NET_RAW capability is set for {}: {}".format(executable, e))
return False | [
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GNS3/gns3-server | gns3server/compute/base_manager.py | BaseManager.get_abs_image_path | def get_abs_image_path(self, path):
"""
Get the absolute path of an image
:param path: file path
:return: file path
"""
if not path:
return ""
orig_path = path
server_config = self.config.get_section_config("Server")
img_directory = self.get_images_directory()
# Windows path should not be send to a unix server
if not sys.platform.startswith("win"):
if re.match(r"^[A-Z]:", path) is not None:
raise NodeError("{} is not allowed on this remote server. Please use only a filename in {}.".format(path, img_directory))
if not os.path.isabs(path):
for directory in images_directories(self._NODE_TYPE):
path = self._recursive_search_file_in_directory(directory, orig_path)
if path:
return force_unix_path(path)
# Not found we try the default directory
s = os.path.split(orig_path)
path = force_unix_path(os.path.join(img_directory, *s))
if os.path.exists(path):
return path
raise ImageMissingError(orig_path)
# For non local server we disallow using absolute path outside image directory
if server_config.getboolean("local", False) is True:
path = force_unix_path(path)
if os.path.exists(path):
return path
raise ImageMissingError(orig_path)
path = force_unix_path(path)
for directory in images_directories(self._NODE_TYPE):
if os.path.commonprefix([directory, path]) == directory:
if os.path.exists(path):
return path
raise ImageMissingError(orig_path)
raise NodeError("{} is not allowed on this remote server. Please use only a filename in {}.".format(path, img_directory)) | python | def get_abs_image_path(self, path):
"""
Get the absolute path of an image
:param path: file path
:return: file path
"""
if not path:
return ""
orig_path = path
server_config = self.config.get_section_config("Server")
img_directory = self.get_images_directory()
# Windows path should not be send to a unix server
if not sys.platform.startswith("win"):
if re.match(r"^[A-Z]:", path) is not None:
raise NodeError("{} is not allowed on this remote server. Please use only a filename in {}.".format(path, img_directory))
if not os.path.isabs(path):
for directory in images_directories(self._NODE_TYPE):
path = self._recursive_search_file_in_directory(directory, orig_path)
if path:
return force_unix_path(path)
# Not found we try the default directory
s = os.path.split(orig_path)
path = force_unix_path(os.path.join(img_directory, *s))
if os.path.exists(path):
return path
raise ImageMissingError(orig_path)
# For non local server we disallow using absolute path outside image directory
if server_config.getboolean("local", False) is True:
path = force_unix_path(path)
if os.path.exists(path):
return path
raise ImageMissingError(orig_path)
path = force_unix_path(path)
for directory in images_directories(self._NODE_TYPE):
if os.path.commonprefix([directory, path]) == directory:
if os.path.exists(path):
return path
raise ImageMissingError(orig_path)
raise NodeError("{} is not allowed on this remote server. Please use only a filename in {}.".format(path, img_directory)) | [
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GNS3/gns3-server | gns3server/compute/base_manager.py | BaseManager._recursive_search_file_in_directory | def _recursive_search_file_in_directory(self, directory, searched_file):
"""
Search for a file in directory and is subdirectories
:returns: Path or None if not found
"""
s = os.path.split(searched_file)
for root, dirs, files in os.walk(directory):
for file in files:
# If filename is the same
if s[1] == file and (s[0] == '' or s[0] == os.path.basename(root)):
path = os.path.normpath(os.path.join(root, s[1]))
if os.path.exists(path):
return path
return None | python | def _recursive_search_file_in_directory(self, directory, searched_file):
"""
Search for a file in directory and is subdirectories
:returns: Path or None if not found
"""
s = os.path.split(searched_file)
for root, dirs, files in os.walk(directory):
for file in files:
# If filename is the same
if s[1] == file and (s[0] == '' or s[0] == os.path.basename(root)):
path = os.path.normpath(os.path.join(root, s[1]))
if os.path.exists(path):
return path
return None | [
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GNS3/gns3-server | gns3server/compute/base_manager.py | BaseManager.get_relative_image_path | def get_relative_image_path(self, path):
"""
Get a path relative to images directory path
or an abspath if the path is not located inside
image directory
:param path: file path
:return: file path
"""
if not path:
return ""
path = force_unix_path(self.get_abs_image_path(path))
img_directory = self.get_images_directory()
for directory in images_directories(self._NODE_TYPE):
if os.path.commonprefix([directory, path]) == directory:
relpath = os.path.relpath(path, directory)
# We don't allow to recurse search from the top image directory just for image type directory (compatibility with old releases)
if os.sep not in relpath or directory == img_directory:
return relpath
return path | python | def get_relative_image_path(self, path):
"""
Get a path relative to images directory path
or an abspath if the path is not located inside
image directory
:param path: file path
:return: file path
"""
if not path:
return ""
path = force_unix_path(self.get_abs_image_path(path))
img_directory = self.get_images_directory()
for directory in images_directories(self._NODE_TYPE):
if os.path.commonprefix([directory, path]) == directory:
relpath = os.path.relpath(path, directory)
# We don't allow to recurse search from the top image directory just for image type directory (compatibility with old releases)
if os.sep not in relpath or directory == img_directory:
return relpath
return path | [
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GNS3/gns3-server | gns3server/compute/base_manager.py | BaseManager.list_images | def list_images(self):
"""
Return the list of available images for this node type
:returns: Array of hash
"""
try:
return list_images(self._NODE_TYPE)
except OSError as e:
raise aiohttp.web.HTTPConflict(text="Can not list images {}".format(e)) | python | def list_images(self):
"""
Return the list of available images for this node type
:returns: Array of hash
"""
try:
return list_images(self._NODE_TYPE)
except OSError as e:
raise aiohttp.web.HTTPConflict(text="Can not list images {}".format(e)) | [
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GNS3/gns3-server | gns3server/compute/dynamips/hypervisor.py | Hypervisor.start | def start(self):
"""
Starts the Dynamips hypervisor process.
"""
self._command = self._build_command()
env = os.environ.copy()
if sys.platform.startswith("win"):
# add the Npcap directory to $PATH to force Dynamips to use npcap DLL instead of Winpcap (if installed)
system_root = os.path.join(os.path.expandvars("%SystemRoot%"), "System32", "Npcap")
if os.path.isdir(system_root):
env["PATH"] = system_root + ';' + env["PATH"]
try:
log.info("Starting Dynamips: {}".format(self._command))
self._stdout_file = os.path.join(self.working_dir, "dynamips_i{}_stdout.txt".format(self._id))
log.info("Dynamips process logging to {}".format(self._stdout_file))
with open(self._stdout_file, "w", encoding="utf-8") as fd:
self._process = yield from asyncio.create_subprocess_exec(*self._command,
stdout=fd,
stderr=subprocess.STDOUT,
cwd=self._working_dir,
env=env)
log.info("Dynamips process started PID={}".format(self._process.pid))
self._started = True
except (OSError, subprocess.SubprocessError) as e:
log.error("Could not start Dynamips: {}".format(e))
raise DynamipsError("Could not start Dynamips: {}".format(e)) | python | def start(self):
"""
Starts the Dynamips hypervisor process.
"""
self._command = self._build_command()
env = os.environ.copy()
if sys.platform.startswith("win"):
# add the Npcap directory to $PATH to force Dynamips to use npcap DLL instead of Winpcap (if installed)
system_root = os.path.join(os.path.expandvars("%SystemRoot%"), "System32", "Npcap")
if os.path.isdir(system_root):
env["PATH"] = system_root + ';' + env["PATH"]
try:
log.info("Starting Dynamips: {}".format(self._command))
self._stdout_file = os.path.join(self.working_dir, "dynamips_i{}_stdout.txt".format(self._id))
log.info("Dynamips process logging to {}".format(self._stdout_file))
with open(self._stdout_file, "w", encoding="utf-8") as fd:
self._process = yield from asyncio.create_subprocess_exec(*self._command,
stdout=fd,
stderr=subprocess.STDOUT,
cwd=self._working_dir,
env=env)
log.info("Dynamips process started PID={}".format(self._process.pid))
self._started = True
except (OSError, subprocess.SubprocessError) as e:
log.error("Could not start Dynamips: {}".format(e))
raise DynamipsError("Could not start Dynamips: {}".format(e)) | [
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GNS3/gns3-server | gns3server/compute/dynamips/hypervisor.py | Hypervisor.stop | def stop(self):
"""
Stops the Dynamips hypervisor process.
"""
if self.is_running():
log.info("Stopping Dynamips process PID={}".format(self._process.pid))
yield from DynamipsHypervisor.stop(self)
# give some time for the hypervisor to properly stop.
# time to delete UNIX NIOs for instance.
yield from asyncio.sleep(0.01)
try:
yield from wait_for_process_termination(self._process, timeout=3)
except asyncio.TimeoutError:
if self._process.returncode is None:
log.warn("Dynamips process {} is still running... killing it".format(self._process.pid))
try:
self._process.kill()
except OSError as e:
log.error("Cannot stop the Dynamips process: {}".format(e))
if self._process.returncode is None:
log.warn('Dynamips hypervisor with PID={} is still running'.format(self._process.pid))
if self._stdout_file and os.access(self._stdout_file, os.W_OK):
try:
os.remove(self._stdout_file)
except OSError as e:
log.warning("could not delete temporary Dynamips log file: {}".format(e))
self._started = False | python | def stop(self):
"""
Stops the Dynamips hypervisor process.
"""
if self.is_running():
log.info("Stopping Dynamips process PID={}".format(self._process.pid))
yield from DynamipsHypervisor.stop(self)
# give some time for the hypervisor to properly stop.
# time to delete UNIX NIOs for instance.
yield from asyncio.sleep(0.01)
try:
yield from wait_for_process_termination(self._process, timeout=3)
except asyncio.TimeoutError:
if self._process.returncode is None:
log.warn("Dynamips process {} is still running... killing it".format(self._process.pid))
try:
self._process.kill()
except OSError as e:
log.error("Cannot stop the Dynamips process: {}".format(e))
if self._process.returncode is None:
log.warn('Dynamips hypervisor with PID={} is still running'.format(self._process.pid))
if self._stdout_file and os.access(self._stdout_file, os.W_OK):
try:
os.remove(self._stdout_file)
except OSError as e:
log.warning("could not delete temporary Dynamips log file: {}".format(e))
self._started = False | [
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GNS3/gns3-server | gns3server/compute/dynamips/hypervisor.py | Hypervisor.read_stdout | def read_stdout(self):
"""
Reads the standard output of the Dynamips process.
Only use when the process has been stopped or has crashed.
"""
output = ""
if self._stdout_file and os.access(self._stdout_file, os.R_OK):
try:
with open(self._stdout_file, "rb") as file:
output = file.read().decode("utf-8", errors="replace")
except OSError as e:
log.warn("could not read {}: {}".format(self._stdout_file, e))
return output | python | def read_stdout(self):
"""
Reads the standard output of the Dynamips process.
Only use when the process has been stopped or has crashed.
"""
output = ""
if self._stdout_file and os.access(self._stdout_file, os.R_OK):
try:
with open(self._stdout_file, "rb") as file:
output = file.read().decode("utf-8", errors="replace")
except OSError as e:
log.warn("could not read {}: {}".format(self._stdout_file, e))
return output | [
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GNS3/gns3-server | gns3server/compute/dynamips/adapters/adapter.py | Adapter.install_wic | def install_wic(self, wic_slot_id, wic):
"""
Installs a WIC on this adapter.
:param wic_slot_id: WIC slot ID (integer)
:param wic: WIC instance
"""
self._wics[wic_slot_id] = wic
# Dynamips WICs ports start on a multiple of 16 + port number
# WIC1 port 1 = 16, WIC1 port 2 = 17
# WIC2 port 1 = 32, WIC2 port 2 = 33
# WIC3 port 1 = 48, WIC3 port 2 = 49
base = 16 * (wic_slot_id + 1)
for wic_port in range(0, wic.interfaces):
port_number = base + wic_port
self._ports[port_number] = None | python | def install_wic(self, wic_slot_id, wic):
"""
Installs a WIC on this adapter.
:param wic_slot_id: WIC slot ID (integer)
:param wic: WIC instance
"""
self._wics[wic_slot_id] = wic
# Dynamips WICs ports start on a multiple of 16 + port number
# WIC1 port 1 = 16, WIC1 port 2 = 17
# WIC2 port 1 = 32, WIC2 port 2 = 33
# WIC3 port 1 = 48, WIC3 port 2 = 49
base = 16 * (wic_slot_id + 1)
for wic_port in range(0, wic.interfaces):
port_number = base + wic_port
self._ports[port_number] = None | [
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GNS3/gns3-server | gns3server/controller/link.py | Link.update_filters | def update_filters(self, filters):
"""
Modify the filters list.
Filter with value 0 will be dropped because not active
"""
new_filters = {}
for (filter, values) in filters.items():
new_values = []
for value in values:
if isinstance(value, str):
new_values.append(value.strip("\n "))
else:
new_values.append(int(value))
values = new_values
if len(values) != 0 and values[0] != 0 and values[0] != '':
new_filters[filter] = values
if new_filters != self.filters:
self._filters = new_filters
if self._created:
yield from self.update()
self._project.controller.notification.emit("link.updated", self.__json__())
self._project.dump() | python | def update_filters(self, filters):
"""
Modify the filters list.
Filter with value 0 will be dropped because not active
"""
new_filters = {}
for (filter, values) in filters.items():
new_values = []
for value in values:
if isinstance(value, str):
new_values.append(value.strip("\n "))
else:
new_values.append(int(value))
values = new_values
if len(values) != 0 and values[0] != 0 and values[0] != '':
new_filters[filter] = values
if new_filters != self.filters:
self._filters = new_filters
if self._created:
yield from self.update()
self._project.controller.notification.emit("link.updated", self.__json__())
self._project.dump() | [
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GNS3/gns3-server | gns3server/controller/link.py | Link.add_node | def add_node(self, node, adapter_number, port_number, label=None, dump=True):
"""
Add a node to the link
:param dump: Dump project on disk
"""
port = node.get_port(adapter_number, port_number)
if port is None:
raise aiohttp.web.HTTPNotFound(text="Port {}/{} for {} not found".format(adapter_number, port_number, node.name))
if port.link is not None:
raise aiohttp.web.HTTPConflict(text="Port is already used")
self._link_type = port.link_type
for other_node in self._nodes:
if other_node["node"] == node:
raise aiohttp.web.HTTPConflict(text="Cannot connect to itself")
if node.node_type in ["nat", "cloud"]:
if other_node["node"].node_type in ["nat", "cloud"]:
raise aiohttp.web.HTTPConflict(text="It's not allowed to connect a {} to a {}".format(other_node["node"].node_type, node.node_type))
# Check if user is not connecting serial => ethernet
other_port = other_node["node"].get_port(other_node["adapter_number"], other_node["port_number"])
if other_port is None:
raise aiohttp.web.HTTPNotFound(text="Port {}/{} for {} not found".format(other_node["adapter_number"], other_node["port_number"], other_node["node"].name))
if port.link_type != other_port.link_type:
raise aiohttp.web.HTTPConflict(text="It's not allowed to connect a {} to a {}".format(other_port.link_type, port.link_type))
if label is None:
label = {
"x": -10,
"y": -10,
"rotation": 0,
"text": html.escape("{}/{}".format(adapter_number, port_number)),
"style": "font-size: 10; font-style: Verdana"
}
self._nodes.append({
"node": node,
"adapter_number": adapter_number,
"port_number": port_number,
"port": port,
"label": label
})
if len(self._nodes) == 2:
yield from self.create()
for n in self._nodes:
n["node"].add_link(self)
n["port"].link = self
self._created = True
self._project.controller.notification.emit("link.created", self.__json__())
if dump:
self._project.dump() | python | def add_node(self, node, adapter_number, port_number, label=None, dump=True):
"""
Add a node to the link
:param dump: Dump project on disk
"""
port = node.get_port(adapter_number, port_number)
if port is None:
raise aiohttp.web.HTTPNotFound(text="Port {}/{} for {} not found".format(adapter_number, port_number, node.name))
if port.link is not None:
raise aiohttp.web.HTTPConflict(text="Port is already used")
self._link_type = port.link_type
for other_node in self._nodes:
if other_node["node"] == node:
raise aiohttp.web.HTTPConflict(text="Cannot connect to itself")
if node.node_type in ["nat", "cloud"]:
if other_node["node"].node_type in ["nat", "cloud"]:
raise aiohttp.web.HTTPConflict(text="It's not allowed to connect a {} to a {}".format(other_node["node"].node_type, node.node_type))
# Check if user is not connecting serial => ethernet
other_port = other_node["node"].get_port(other_node["adapter_number"], other_node["port_number"])
if other_port is None:
raise aiohttp.web.HTTPNotFound(text="Port {}/{} for {} not found".format(other_node["adapter_number"], other_node["port_number"], other_node["node"].name))
if port.link_type != other_port.link_type:
raise aiohttp.web.HTTPConflict(text="It's not allowed to connect a {} to a {}".format(other_port.link_type, port.link_type))
if label is None:
label = {
"x": -10,
"y": -10,
"rotation": 0,
"text": html.escape("{}/{}".format(adapter_number, port_number)),
"style": "font-size: 10; font-style: Verdana"
}
self._nodes.append({
"node": node,
"adapter_number": adapter_number,
"port_number": port_number,
"port": port,
"label": label
})
if len(self._nodes) == 2:
yield from self.create()
for n in self._nodes:
n["node"].add_link(self)
n["port"].link = self
self._created = True
self._project.controller.notification.emit("link.created", self.__json__())
if dump:
self._project.dump() | [
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GNS3/gns3-server | gns3server/controller/link.py | Link.delete | def delete(self):
"""
Delete the link
"""
for n in self._nodes:
# It could be different of self if we rollback an already existing link
if n["port"].link == self:
n["port"].link = None
n["node"].remove_link(self) | python | def delete(self):
"""
Delete the link
"""
for n in self._nodes:
# It could be different of self if we rollback an already existing link
if n["port"].link == self:
n["port"].link = None
n["node"].remove_link(self) | [
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GNS3/gns3-server | gns3server/controller/link.py | Link.start_capture | def start_capture(self, data_link_type="DLT_EN10MB", capture_file_name=None):
"""
Start capture on the link
:returns: Capture object
"""
self._capturing = True
self._capture_file_name = capture_file_name
self._streaming_pcap = asyncio.async(self._start_streaming_pcap())
self._project.controller.notification.emit("link.updated", self.__json__()) | python | def start_capture(self, data_link_type="DLT_EN10MB", capture_file_name=None):
"""
Start capture on the link
:returns: Capture object
"""
self._capturing = True
self._capture_file_name = capture_file_name
self._streaming_pcap = asyncio.async(self._start_streaming_pcap())
self._project.controller.notification.emit("link.updated", self.__json__()) | [
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GNS3/gns3-server | gns3server/controller/link.py | Link._start_streaming_pcap | def _start_streaming_pcap(self):
"""
Dump a pcap file on disk
"""
if os.path.exists(self.capture_file_path):
try:
os.remove(self.capture_file_path)
except OSError as e:
raise aiohttp.web.HTTPConflict(text="Could not delete old capture file '{}': {}".format(self.capture_file_path, e))
try:
stream_content = yield from self.read_pcap_from_source()
except aiohttp.web.HTTPException as e:
error_msg = "Could not stream PCAP file: error {}: {}".format(e.status, e.text)
log.error(error_msg)
self._capturing = False
self._project.notification.emit("log.error", {"message": error_msg})
self._project.controller.notification.emit("link.updated", self.__json__())
with stream_content as stream:
try:
with open(self.capture_file_path, "wb") as f:
while self._capturing:
# We read 1 bytes by 1 otherwise the remaining data is not read if the traffic stops
data = yield from stream.read(1)
if data:
f.write(data)
# Flush to disk otherwise the live is not really live
f.flush()
else:
break
except OSError as e:
raise aiohttp.web.HTTPConflict(text="Could not write capture file '{}': {}".format(self.capture_file_path, e)) | python | def _start_streaming_pcap(self):
"""
Dump a pcap file on disk
"""
if os.path.exists(self.capture_file_path):
try:
os.remove(self.capture_file_path)
except OSError as e:
raise aiohttp.web.HTTPConflict(text="Could not delete old capture file '{}': {}".format(self.capture_file_path, e))
try:
stream_content = yield from self.read_pcap_from_source()
except aiohttp.web.HTTPException as e:
error_msg = "Could not stream PCAP file: error {}: {}".format(e.status, e.text)
log.error(error_msg)
self._capturing = False
self._project.notification.emit("log.error", {"message": error_msg})
self._project.controller.notification.emit("link.updated", self.__json__())
with stream_content as stream:
try:
with open(self.capture_file_path, "wb") as f:
while self._capturing:
# We read 1 bytes by 1 otherwise the remaining data is not read if the traffic stops
data = yield from stream.read(1)
if data:
f.write(data)
# Flush to disk otherwise the live is not really live
f.flush()
else:
break
except OSError as e:
raise aiohttp.web.HTTPConflict(text="Could not write capture file '{}': {}".format(self.capture_file_path, e)) | [
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GNS3/gns3-server | gns3server/controller/link.py | Link.stop_capture | def stop_capture(self):
"""
Stop capture on the link
"""
self._capturing = False
self._project.controller.notification.emit("link.updated", self.__json__()) | python | def stop_capture(self):
"""
Stop capture on the link
"""
self._capturing = False
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GNS3/gns3-server | gns3server/controller/link.py | Link.capture_file_path | def capture_file_path(self):
"""
Get the path of the capture
"""
if self._capture_file_name:
return os.path.join(self._project.captures_directory, self._capture_file_name)
else:
return None | python | def capture_file_path(self):
"""
Get the path of the capture
"""
if self._capture_file_name:
return os.path.join(self._project.captures_directory, self._capture_file_name)
else:
return None | [
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GNS3/gns3-server | gns3server/compute/dynamips/dynamips_hypervisor.py | DynamipsHypervisor.connect | def connect(self, timeout=10):
"""
Connects to the hypervisor.
"""
# connect to a local address by default
# if listening to all addresses (IPv4 or IPv6)
if self._host == "0.0.0.0":
host = "127.0.0.1"
elif self._host == "::":
host = "::1"
else:
host = self._host
begin = time.time()
connection_success = False
last_exception = None
while time.time() - begin < timeout:
yield from asyncio.sleep(0.01)
try:
self._reader, self._writer = yield from asyncio.wait_for(asyncio.open_connection(host, self._port), timeout=1)
except (asyncio.TimeoutError, OSError) as e:
last_exception = e
continue
connection_success = True
break
if not connection_success:
raise DynamipsError("Couldn't connect to hypervisor on {}:{} :{}".format(host, self._port, last_exception))
else:
log.info("Connected to Dynamips hypervisor after {:.4f} seconds".format(time.time() - begin))
try:
version = yield from self.send("hypervisor version")
self._version = version[0].split("-", 1)[0]
except IndexError:
self._version = "Unknown"
# this forces to send the working dir to Dynamips
yield from self.set_working_dir(self._working_dir) | python | def connect(self, timeout=10):
"""
Connects to the hypervisor.
"""
# connect to a local address by default
# if listening to all addresses (IPv4 or IPv6)
if self._host == "0.0.0.0":
host = "127.0.0.1"
elif self._host == "::":
host = "::1"
else:
host = self._host
begin = time.time()
connection_success = False
last_exception = None
while time.time() - begin < timeout:
yield from asyncio.sleep(0.01)
try:
self._reader, self._writer = yield from asyncio.wait_for(asyncio.open_connection(host, self._port), timeout=1)
except (asyncio.TimeoutError, OSError) as e:
last_exception = e
continue
connection_success = True
break
if not connection_success:
raise DynamipsError("Couldn't connect to hypervisor on {}:{} :{}".format(host, self._port, last_exception))
else:
log.info("Connected to Dynamips hypervisor after {:.4f} seconds".format(time.time() - begin))
try:
version = yield from self.send("hypervisor version")
self._version = version[0].split("-", 1)[0]
except IndexError:
self._version = "Unknown"
# this forces to send the working dir to Dynamips
yield from self.set_working_dir(self._working_dir) | [
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GNS3/gns3-server | gns3server/compute/dynamips/dynamips_hypervisor.py | DynamipsHypervisor.set_working_dir | def set_working_dir(self, working_dir):
"""
Sets the working directory for this hypervisor.
:param working_dir: path to the working directory
"""
# encase working_dir in quotes to protect spaces in the path
yield from self.send('hypervisor working_dir "{}"'.format(working_dir))
self._working_dir = working_dir
log.debug("Working directory set to {}".format(self._working_dir)) | python | def set_working_dir(self, working_dir):
"""
Sets the working directory for this hypervisor.
:param working_dir: path to the working directory
"""
# encase working_dir in quotes to protect spaces in the path
yield from self.send('hypervisor working_dir "{}"'.format(working_dir))
self._working_dir = working_dir
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GNS3/gns3-server | gns3server/utils/asyncio/embed_shell.py | create_stdin_shell | def create_stdin_shell(shell, loop=None):
"""
Run a shell application with a stdin frontend
:param application: An EmbedShell instance
:param loop: The event loop
:returns: Telnet server
"""
@asyncio.coroutine
def feed_stdin(loop, reader, shell):
history = InMemoryHistory()
completer = WordCompleter([name for name, _ in shell.get_commands()], ignore_case=True)
while True:
line = yield from prompt(
">", patch_stdout=True, return_asyncio_coroutine=True, history=history, completer=completer)
line += '\n'
reader.feed_data(line.encode())
@asyncio.coroutine
def read_stdout(writer):
while True:
c = yield from writer.read(1)
print(c.decode(), end='')
sys.stdout.flush()
reader = asyncio.StreamReader()
writer = asyncio.StreamReader()
shell.reader = reader
shell.writer = writer
if loop is None:
loop = asyncio.get_event_loop()
reader_task = loop.create_task(feed_stdin(loop, reader, shell))
writer_task = loop.create_task(read_stdout(writer))
shell_task = loop.create_task(shell.run())
return asyncio.gather(shell_task, writer_task, reader_task) | python | def create_stdin_shell(shell, loop=None):
"""
Run a shell application with a stdin frontend
:param application: An EmbedShell instance
:param loop: The event loop
:returns: Telnet server
"""
@asyncio.coroutine
def feed_stdin(loop, reader, shell):
history = InMemoryHistory()
completer = WordCompleter([name for name, _ in shell.get_commands()], ignore_case=True)
while True:
line = yield from prompt(
">", patch_stdout=True, return_asyncio_coroutine=True, history=history, completer=completer)
line += '\n'
reader.feed_data(line.encode())
@asyncio.coroutine
def read_stdout(writer):
while True:
c = yield from writer.read(1)
print(c.decode(), end='')
sys.stdout.flush()
reader = asyncio.StreamReader()
writer = asyncio.StreamReader()
shell.reader = reader
shell.writer = writer
if loop is None:
loop = asyncio.get_event_loop()
reader_task = loop.create_task(feed_stdin(loop, reader, shell))
writer_task = loop.create_task(read_stdout(writer))
shell_task = loop.create_task(shell.run())
return asyncio.gather(shell_task, writer_task, reader_task) | [
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GNS3/gns3-server | gns3server/utils/asyncio/embed_shell.py | ShellConnection.reset | def reset(self):
""" Resets terminal screen"""
self._cli.reset()
self._cli.buffers[DEFAULT_BUFFER].reset()
self._cli.renderer.request_absolute_cursor_position()
self._cli._redraw() | python | def reset(self):
""" Resets terminal screen"""
self._cli.reset()
self._cli.buffers[DEFAULT_BUFFER].reset()
self._cli.renderer.request_absolute_cursor_position()
self._cli._redraw() | [
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GNS3/gns3-server | gns3server/compute/project_manager.py | ProjectManager.get_project | def get_project(self, project_id):
"""
Returns a Project instance.
:param project_id: Project identifier
:returns: Project instance
"""
try:
UUID(project_id, version=4)
except ValueError:
raise aiohttp.web.HTTPBadRequest(text="Project ID {} is not a valid UUID".format(project_id))
if project_id not in self._projects:
raise aiohttp.web.HTTPNotFound(text="Project ID {} doesn't exist".format(project_id))
return self._projects[project_id] | python | def get_project(self, project_id):
"""
Returns a Project instance.
:param project_id: Project identifier
:returns: Project instance
"""
try:
UUID(project_id, version=4)
except ValueError:
raise aiohttp.web.HTTPBadRequest(text="Project ID {} is not a valid UUID".format(project_id))
if project_id not in self._projects:
raise aiohttp.web.HTTPNotFound(text="Project ID {} doesn't exist".format(project_id))
return self._projects[project_id] | [
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GNS3/gns3-server | gns3server/compute/project_manager.py | ProjectManager._check_available_disk_space | def _check_available_disk_space(self, project):
"""
Sends a warning notification if disk space is getting low.
:param project: project instance
"""
try:
used_disk_space = psutil.disk_usage(project.path).percent
except FileNotFoundError:
log.warning('Could not find "{}" when checking for used disk space'.format(project.path))
return
# send a warning if used disk space is >= 90%
if used_disk_space >= 90:
message = 'Only {}% or less of disk space detected in "{}" on "{}"'.format(used_disk_space,
project.path,
platform.node())
log.warning(message)
project.emit("log.warning", {"message": message}) | python | def _check_available_disk_space(self, project):
"""
Sends a warning notification if disk space is getting low.
:param project: project instance
"""
try:
used_disk_space = psutil.disk_usage(project.path).percent
except FileNotFoundError:
log.warning('Could not find "{}" when checking for used disk space'.format(project.path))
return
# send a warning if used disk space is >= 90%
if used_disk_space >= 90:
message = 'Only {}% or less of disk space detected in "{}" on "{}"'.format(used_disk_space,
project.path,
platform.node())
log.warning(message)
project.emit("log.warning", {"message": message}) | [
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GNS3/gns3-server | gns3server/compute/project_manager.py | ProjectManager.create_project | def create_project(self, name=None, project_id=None, path=None):
"""
Create a project and keep a references to it in project manager.
See documentation of Project for arguments
"""
if project_id is not None and project_id in self._projects:
return self._projects[project_id]
project = Project(name=name, project_id=project_id, path=path)
self._check_available_disk_space(project)
self._projects[project.id] = project
return project | python | def create_project(self, name=None, project_id=None, path=None):
"""
Create a project and keep a references to it in project manager.
See documentation of Project for arguments
"""
if project_id is not None and project_id in self._projects:
return self._projects[project_id]
project = Project(name=name, project_id=project_id, path=path)
self._check_available_disk_space(project)
self._projects[project.id] = project
return project | [
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GNS3/gns3-server | gns3server/compute/project_manager.py | ProjectManager.remove_project | def remove_project(self, project_id):
"""
Removes a Project instance from the list of projects in use.
:param project_id: Project identifier
"""
if project_id not in self._projects:
raise aiohttp.web.HTTPNotFound(text="Project ID {} doesn't exist".format(project_id))
del self._projects[project_id] | python | def remove_project(self, project_id):
"""
Removes a Project instance from the list of projects in use.
:param project_id: Project identifier
"""
if project_id not in self._projects:
raise aiohttp.web.HTTPNotFound(text="Project ID {} doesn't exist".format(project_id))
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] | a221678448fb5d24e977ef562f81d56aacc89ab1 | https://github.com/GNS3/gns3-server/blob/a221678448fb5d24e977ef562f81d56aacc89ab1/gns3server/compute/project_manager.py#L112-L121 | train | 221,268 |
GNS3/gns3-server | gns3server/compute/project_manager.py | ProjectManager.check_hardware_virtualization | def check_hardware_virtualization(self, source_node):
"""
Checks if hardware virtualization can be used.
:returns: boolean
"""
for project in self._projects.values():
for node in project.nodes:
if node == source_node:
continue
if node.hw_virtualization and node.__class__.__name__ != source_node.__class__.__name__:
return False
return True | python | def check_hardware_virtualization(self, source_node):
"""
Checks if hardware virtualization can be used.
:returns: boolean
"""
for project in self._projects.values():
for node in project.nodes:
if node == source_node:
continue
if node.hw_virtualization and node.__class__.__name__ != source_node.__class__.__name__:
return False
return True | [
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GNS3/gns3-server | gns3server/compute/builtin/nodes/cloud.py | Cloud.ports_mapping | def ports_mapping(self, ports):
"""
Set the ports on this cloud.
:param ports: ports info
"""
if ports != self._ports_mapping:
if len(self._nios) > 0:
raise NodeError("Can't modify a cloud already connected.")
port_number = 0
for port in ports:
port["port_number"] = port_number
port_number += 1
self._ports_mapping = ports | python | def ports_mapping(self, ports):
"""
Set the ports on this cloud.
:param ports: ports info
"""
if ports != self._ports_mapping:
if len(self._nios) > 0:
raise NodeError("Can't modify a cloud already connected.")
port_number = 0
for port in ports:
port["port_number"] = port_number
port_number += 1
self._ports_mapping = ports | [
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GNS3/gns3-server | gns3server/compute/builtin/nodes/cloud.py | Cloud.close | def close(self):
"""
Closes this cloud.
"""
if not (yield from super().close()):
return False
for nio in self._nios.values():
if nio and isinstance(nio, NIOUDP):
self.manager.port_manager.release_udp_port(nio.lport, self._project)
yield from self._stop_ubridge()
log.info('Cloud "{name}" [{id}] has been closed'.format(name=self._name, id=self._id)) | python | def close(self):
"""
Closes this cloud.
"""
if not (yield from super().close()):
return False
for nio in self._nios.values():
if nio and isinstance(nio, NIOUDP):
self.manager.port_manager.release_udp_port(nio.lport, self._project)
yield from self._stop_ubridge()
log.info('Cloud "{name}" [{id}] has been closed'.format(name=self._name, id=self._id)) | [
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GNS3/gns3-server | gns3server/compute/builtin/nodes/cloud.py | Cloud._add_linux_ethernet | def _add_linux_ethernet(self, port_info, bridge_name):
"""
Use raw sockets on Linux.
If interface is a bridge we connect a tap to it
"""
interface = port_info["interface"]
if gns3server.utils.interfaces.is_interface_bridge(interface):
network_interfaces = [interface["name"] for interface in self._interfaces()]
i = 0
while True:
tap = "gns3tap{}-{}".format(i, port_info["port_number"])
if tap not in network_interfaces:
break
i += 1
yield from self._ubridge_send('bridge add_nio_tap "{name}" "{interface}"'.format(name=bridge_name, interface=tap))
yield from self._ubridge_send('brctl addif "{interface}" "{tap}"'.format(tap=tap, interface=interface))
else:
yield from self._ubridge_send('bridge add_nio_linux_raw {name} "{interface}"'.format(name=bridge_name, interface=interface)) | python | def _add_linux_ethernet(self, port_info, bridge_name):
"""
Use raw sockets on Linux.
If interface is a bridge we connect a tap to it
"""
interface = port_info["interface"]
if gns3server.utils.interfaces.is_interface_bridge(interface):
network_interfaces = [interface["name"] for interface in self._interfaces()]
i = 0
while True:
tap = "gns3tap{}-{}".format(i, port_info["port_number"])
if tap not in network_interfaces:
break
i += 1
yield from self._ubridge_send('bridge add_nio_tap "{name}" "{interface}"'.format(name=bridge_name, interface=tap))
yield from self._ubridge_send('brctl addif "{interface}" "{tap}"'.format(tap=tap, interface=interface))
else:
yield from self._ubridge_send('bridge add_nio_linux_raw {name} "{interface}"'.format(name=bridge_name, interface=interface)) | [
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GNS3/gns3-server | gns3server/compute/builtin/nodes/cloud.py | Cloud.add_nio | def add_nio(self, nio, port_number):
"""
Adds a NIO as new port on this cloud.
:param nio: NIO instance to add
:param port_number: port to allocate for the NIO
"""
if port_number in self._nios:
raise NodeError("Port {} isn't free".format(port_number))
log.info('Cloud "{name}" [{id}]: NIO {nio} bound to port {port}'.format(name=self._name,
id=self._id,
nio=nio,
port=port_number))
try:
yield from self.start()
yield from self._add_ubridge_connection(nio, port_number)
self._nios[port_number] = nio
except NodeError as e:
self.project.emit("log.error", {"message": str(e)})
yield from self._stop_ubridge()
self.status = "stopped"
self._nios[port_number] = nio
# Cleanup stuff
except UbridgeError as e:
self.project.emit("log.error", {"message": str(e)})
yield from self._stop_ubridge()
self.status = "stopped"
self._nios[port_number] = nio | python | def add_nio(self, nio, port_number):
"""
Adds a NIO as new port on this cloud.
:param nio: NIO instance to add
:param port_number: port to allocate for the NIO
"""
if port_number in self._nios:
raise NodeError("Port {} isn't free".format(port_number))
log.info('Cloud "{name}" [{id}]: NIO {nio} bound to port {port}'.format(name=self._name,
id=self._id,
nio=nio,
port=port_number))
try:
yield from self.start()
yield from self._add_ubridge_connection(nio, port_number)
self._nios[port_number] = nio
except NodeError as e:
self.project.emit("log.error", {"message": str(e)})
yield from self._stop_ubridge()
self.status = "stopped"
self._nios[port_number] = nio
# Cleanup stuff
except UbridgeError as e:
self.project.emit("log.error", {"message": str(e)})
yield from self._stop_ubridge()
self.status = "stopped"
self._nios[port_number] = nio | [
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GNS3/gns3-server | gns3server/compute/builtin/nodes/cloud.py | Cloud.update_nio | def update_nio(self, port_number, nio):
"""
Update an nio on this node
:param nio: NIO instance to add
:param port_number: port to allocate for the NIO
"""
bridge_name = "{}-{}".format(self._id, port_number)
if self._ubridge_hypervisor and self._ubridge_hypervisor.is_running():
yield from self._ubridge_apply_filters(bridge_name, nio.filters) | python | def update_nio(self, port_number, nio):
"""
Update an nio on this node
:param nio: NIO instance to add
:param port_number: port to allocate for the NIO
"""
bridge_name = "{}-{}".format(self._id, port_number)
if self._ubridge_hypervisor and self._ubridge_hypervisor.is_running():
yield from self._ubridge_apply_filters(bridge_name, nio.filters) | [
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GNS3/gns3-server | gns3server/compute/builtin/nodes/cloud.py | Cloud.remove_nio | def remove_nio(self, port_number):
"""
Removes the specified NIO as member of cloud.
:param port_number: allocated port number
:returns: the NIO that was bound to the allocated port
"""
if port_number not in self._nios:
raise NodeError("Port {} is not allocated".format(port_number))
nio = self._nios[port_number]
if isinstance(nio, NIOUDP):
self.manager.port_manager.release_udp_port(nio.lport, self._project)
log.info('Cloud "{name}" [{id}]: NIO {nio} removed from port {port}'.format(name=self._name,
id=self._id,
nio=nio,
port=port_number))
del self._nios[port_number]
if self._ubridge_hypervisor and self._ubridge_hypervisor.is_running():
yield from self._delete_ubridge_connection(port_number)
yield from self.start()
return nio | python | def remove_nio(self, port_number):
"""
Removes the specified NIO as member of cloud.
:param port_number: allocated port number
:returns: the NIO that was bound to the allocated port
"""
if port_number not in self._nios:
raise NodeError("Port {} is not allocated".format(port_number))
nio = self._nios[port_number]
if isinstance(nio, NIOUDP):
self.manager.port_manager.release_udp_port(nio.lport, self._project)
log.info('Cloud "{name}" [{id}]: NIO {nio} removed from port {port}'.format(name=self._name,
id=self._id,
nio=nio,
port=port_number))
del self._nios[port_number]
if self._ubridge_hypervisor and self._ubridge_hypervisor.is_running():
yield from self._delete_ubridge_connection(port_number)
yield from self.start()
return nio | [
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GNS3/gns3-server | gns3server/run.py | pid_lock | def pid_lock(path):
"""
Write the file in a file on the system.
Check if the process is not already running.
"""
if os.path.exists(path):
pid = None
try:
with open(path) as f:
try:
pid = int(f.read())
os.kill(pid, 0) # kill returns an error if the process is not running
except (OSError, SystemError, ValueError):
pid = None
except OSError as e:
log.critical("Can't open pid file %s: %s", pid, str(e))
sys.exit(1)
if pid:
log.critical("GNS3 is already running pid: %d", pid)
sys.exit(1)
try:
with open(path, 'w+') as f:
f.write(str(os.getpid()))
except OSError as e:
log.critical("Can't write pid file %s: %s", path, str(e))
sys.exit(1) | python | def pid_lock(path):
"""
Write the file in a file on the system.
Check if the process is not already running.
"""
if os.path.exists(path):
pid = None
try:
with open(path) as f:
try:
pid = int(f.read())
os.kill(pid, 0) # kill returns an error if the process is not running
except (OSError, SystemError, ValueError):
pid = None
except OSError as e:
log.critical("Can't open pid file %s: %s", pid, str(e))
sys.exit(1)
if pid:
log.critical("GNS3 is already running pid: %d", pid)
sys.exit(1)
try:
with open(path, 'w+') as f:
f.write(str(os.getpid()))
except OSError as e:
log.critical("Can't write pid file %s: %s", path, str(e))
sys.exit(1) | [
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GNS3/gns3-server | gns3server/run.py | kill_ghosts | def kill_ghosts():
"""
Kill process from previous GNS3 session
"""
detect_process = ["vpcs", "ubridge", "dynamips"]
for proc in psutil.process_iter():
try:
name = proc.name().lower().split(".")[0]
if name in detect_process:
proc.kill()
log.warning("Killed ghost process %s", name)
except (psutil.NoSuchProcess, psutil.AccessDenied):
pass | python | def kill_ghosts():
"""
Kill process from previous GNS3 session
"""
detect_process = ["vpcs", "ubridge", "dynamips"]
for proc in psutil.process_iter():
try:
name = proc.name().lower().split(".")[0]
if name in detect_process:
proc.kill()
log.warning("Killed ghost process %s", name)
except (psutil.NoSuchProcess, psutil.AccessDenied):
pass | [
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GNS3/gns3-server | gns3server/compute/qemu/qemu_vm.py | QemuVM.qemu_path | def qemu_path(self, qemu_path):
"""
Sets the QEMU binary path this QEMU VM.
:param qemu_path: QEMU path
"""
if qemu_path and os.pathsep not in qemu_path:
if sys.platform.startswith("win") and ".exe" not in qemu_path.lower():
qemu_path += "w.exe"
new_qemu_path = shutil.which(qemu_path, path=os.pathsep.join(self._manager.paths_list()))
if new_qemu_path is None:
raise QemuError("QEMU binary path {} is not found in the path".format(qemu_path))
qemu_path = new_qemu_path
self._check_qemu_path(qemu_path)
self._qemu_path = qemu_path
self._platform = os.path.basename(qemu_path)
if self._platform == "qemu-kvm":
self._platform = "x86_64"
else:
qemu_bin = os.path.basename(qemu_path)
qemu_bin = re.sub(r'(w)?\.(exe|EXE)$', '', qemu_bin)
# Old version of GNS3 provide a binary named qemu.exe
if qemu_bin == "qemu":
self._platform = "i386"
else:
self._platform = re.sub(r'^qemu-system-(.*)$', r'\1', qemu_bin, re.IGNORECASE)
if self._platform.split(".")[0] not in QEMU_PLATFORMS:
raise QemuError("Platform {} is unknown".format(self._platform))
log.info('QEMU VM "{name}" [{id}] has set the QEMU path to {qemu_path}'.format(name=self._name,
id=self._id,
qemu_path=qemu_path)) | python | def qemu_path(self, qemu_path):
"""
Sets the QEMU binary path this QEMU VM.
:param qemu_path: QEMU path
"""
if qemu_path and os.pathsep not in qemu_path:
if sys.platform.startswith("win") and ".exe" not in qemu_path.lower():
qemu_path += "w.exe"
new_qemu_path = shutil.which(qemu_path, path=os.pathsep.join(self._manager.paths_list()))
if new_qemu_path is None:
raise QemuError("QEMU binary path {} is not found in the path".format(qemu_path))
qemu_path = new_qemu_path
self._check_qemu_path(qemu_path)
self._qemu_path = qemu_path
self._platform = os.path.basename(qemu_path)
if self._platform == "qemu-kvm":
self._platform = "x86_64"
else:
qemu_bin = os.path.basename(qemu_path)
qemu_bin = re.sub(r'(w)?\.(exe|EXE)$', '', qemu_bin)
# Old version of GNS3 provide a binary named qemu.exe
if qemu_bin == "qemu":
self._platform = "i386"
else:
self._platform = re.sub(r'^qemu-system-(.*)$', r'\1', qemu_bin, re.IGNORECASE)
if self._platform.split(".")[0] not in QEMU_PLATFORMS:
raise QemuError("Platform {} is unknown".format(self._platform))
log.info('QEMU VM "{name}" [{id}] has set the QEMU path to {qemu_path}'.format(name=self._name,
id=self._id,
qemu_path=qemu_path)) | [
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:param qemu_path: QEMU path | [
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GNS3/gns3-server | gns3server/compute/qemu/qemu_vm.py | QemuVM._disk_setter | def _disk_setter(self, variable, value):
"""
Use by disk image setter for checking and apply modifications
:param variable: Variable name in the class
:param value: New disk value
"""
value = self.manager.get_abs_image_path(value)
if not self.linked_clone:
for node in self.manager.nodes:
if node != self and getattr(node, variable) == value:
raise QemuError("Sorry a node without the linked base setting enabled can only be used once on your server. {} is already used by {}".format(value, node.name))
setattr(self, "_" + variable, value)
log.info('QEMU VM "{name}" [{id}] has set the QEMU {variable} path to {disk_image}'.format(name=self._name,
variable=variable,
id=self._id,
disk_image=value)) | python | def _disk_setter(self, variable, value):
"""
Use by disk image setter for checking and apply modifications
:param variable: Variable name in the class
:param value: New disk value
"""
value = self.manager.get_abs_image_path(value)
if not self.linked_clone:
for node in self.manager.nodes:
if node != self and getattr(node, variable) == value:
raise QemuError("Sorry a node without the linked base setting enabled can only be used once on your server. {} is already used by {}".format(value, node.name))
setattr(self, "_" + variable, value)
log.info('QEMU VM "{name}" [{id}] has set the QEMU {variable} path to {disk_image}'.format(name=self._name,
variable=variable,
id=self._id,
disk_image=value)) | [
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GNS3/gns3-server | gns3server/compute/qemu/qemu_vm.py | QemuVM.hdc_disk_interface | def hdc_disk_interface(self, hdc_disk_interface):
"""
Sets the hdc disk interface for this QEMU VM.
:param hdc_disk_interface: QEMU hdc disk interface
"""
self._hdc_disk_interface = hdc_disk_interface
log.info('QEMU VM "{name}" [{id}] has set the QEMU hdc disk interface to {interface}'.format(name=self._name,
id=self._id,
interface=self._hdc_disk_interface)) | python | def hdc_disk_interface(self, hdc_disk_interface):
"""
Sets the hdc disk interface for this QEMU VM.
:param hdc_disk_interface: QEMU hdc disk interface
"""
self._hdc_disk_interface = hdc_disk_interface
log.info('QEMU VM "{name}" [{id}] has set the QEMU hdc disk interface to {interface}'.format(name=self._name,
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interface=self._hdc_disk_interface)) | [
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GNS3/gns3-server | gns3server/compute/qemu/qemu_vm.py | QemuVM.hdd_disk_interface | def hdd_disk_interface(self, hdd_disk_interface):
"""
Sets the hdd disk interface for this QEMU VM.
:param hdd_disk_interface: QEMU hdd disk interface
"""
self._hdd_disk_interface = hdd_disk_interface
log.info('QEMU VM "{name}" [{id}] has set the QEMU hdd disk interface to {interface}'.format(name=self._name,
id=self._id,
interface=self._hdd_disk_interface)) | python | def hdd_disk_interface(self, hdd_disk_interface):
"""
Sets the hdd disk interface for this QEMU VM.
:param hdd_disk_interface: QEMU hdd disk interface
"""
self._hdd_disk_interface = hdd_disk_interface
log.info('QEMU VM "{name}" [{id}] has set the QEMU hdd disk interface to {interface}'.format(name=self._name,
id=self._id,
interface=self._hdd_disk_interface)) | [
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GNS3/gns3-server | gns3server/compute/qemu/qemu_vm.py | QemuVM.cdrom_image | def cdrom_image(self, cdrom_image):
"""
Sets the cdrom image for this QEMU VM.
:param cdrom_image: QEMU cdrom image path
"""
self._cdrom_image = self.manager.get_abs_image_path(cdrom_image)
log.info('QEMU VM "{name}" [{id}] has set the QEMU cdrom image path to {cdrom_image}'.format(name=self._name,
id=self._id,
cdrom_image=self._cdrom_image)) | python | def cdrom_image(self, cdrom_image):
"""
Sets the cdrom image for this QEMU VM.
:param cdrom_image: QEMU cdrom image path
"""
self._cdrom_image = self.manager.get_abs_image_path(cdrom_image)
log.info('QEMU VM "{name}" [{id}] has set the QEMU cdrom image path to {cdrom_image}'.format(name=self._name,
id=self._id,
cdrom_image=self._cdrom_image)) | [
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GNS3/gns3-server | gns3server/compute/qemu/qemu_vm.py | QemuVM.bios_image | def bios_image(self, bios_image):
"""
Sets the bios image for this QEMU VM.
:param bios_image: QEMU bios image path
"""
self._bios_image = self.manager.get_abs_image_path(bios_image)
log.info('QEMU VM "{name}" [{id}] has set the QEMU bios image path to {bios_image}'.format(name=self._name,
id=self._id,
bios_image=self._bios_image)) | python | def bios_image(self, bios_image):
"""
Sets the bios image for this QEMU VM.
:param bios_image: QEMU bios image path
"""
self._bios_image = self.manager.get_abs_image_path(bios_image)
log.info('QEMU VM "{name}" [{id}] has set the QEMU bios image path to {bios_image}'.format(name=self._name,
id=self._id,
bios_image=self._bios_image)) | [
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GNS3/gns3-server | gns3server/compute/qemu/qemu_vm.py | QemuVM.boot_priority | def boot_priority(self, boot_priority):
"""
Sets the boot priority for this QEMU VM.
:param boot_priority: QEMU boot priority
"""
self._boot_priority = boot_priority
log.info('QEMU VM "{name}" [{id}] has set the boot priority to {boot_priority}'.format(name=self._name,
id=self._id,
boot_priority=self._boot_priority)) | python | def boot_priority(self, boot_priority):
"""
Sets the boot priority for this QEMU VM.
:param boot_priority: QEMU boot priority
"""
self._boot_priority = boot_priority
log.info('QEMU VM "{name}" [{id}] has set the boot priority to {boot_priority}'.format(name=self._name,
id=self._id,
boot_priority=self._boot_priority)) | [
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GNS3/gns3-server | gns3server/compute/qemu/qemu_vm.py | QemuVM.adapters | def adapters(self, adapters):
"""
Sets the number of Ethernet adapters for this QEMU VM.
:param adapters: number of adapters
"""
self._ethernet_adapters.clear()
for adapter_number in range(0, adapters):
self._ethernet_adapters.append(EthernetAdapter())
log.info('QEMU VM "{name}" [{id}]: number of Ethernet adapters changed to {adapters}'.format(name=self._name,
id=self._id,
adapters=adapters)) | python | def adapters(self, adapters):
"""
Sets the number of Ethernet adapters for this QEMU VM.
:param adapters: number of adapters
"""
self._ethernet_adapters.clear()
for adapter_number in range(0, adapters):
self._ethernet_adapters.append(EthernetAdapter())
log.info('QEMU VM "{name}" [{id}]: number of Ethernet adapters changed to {adapters}'.format(name=self._name,
id=self._id,
adapters=adapters)) | [
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GNS3/gns3-server | gns3server/compute/qemu/qemu_vm.py | QemuVM.mac_address | def mac_address(self, mac_address):
"""
Sets the MAC address for this QEMU VM.
:param mac_address: MAC address
"""
if not mac_address:
# use the node UUID to generate a random MAC address
self._mac_address = "52:%s:%s:%s:%s:00" % (self.project.id[-4:-2], self.project.id[-2:], self.id[-4:-2], self.id[-2:])
else:
self._mac_address = mac_address
log.info('QEMU VM "{name}" [{id}]: MAC address changed to {mac_addr}'.format(name=self._name,
id=self._id,
mac_addr=self._mac_address)) | python | def mac_address(self, mac_address):
"""
Sets the MAC address for this QEMU VM.
:param mac_address: MAC address
"""
if not mac_address:
# use the node UUID to generate a random MAC address
self._mac_address = "52:%s:%s:%s:%s:00" % (self.project.id[-4:-2], self.project.id[-2:], self.id[-4:-2], self.id[-2:])
else:
self._mac_address = mac_address
log.info('QEMU VM "{name}" [{id}]: MAC address changed to {mac_addr}'.format(name=self._name,
id=self._id,
mac_addr=self._mac_address)) | [
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GNS3/gns3-server | gns3server/compute/qemu/qemu_vm.py | QemuVM.legacy_networking | def legacy_networking(self, legacy_networking):
"""
Sets either QEMU legacy networking commands are used.
:param legacy_networking: boolean
"""
if legacy_networking:
log.info('QEMU VM "{name}" [{id}] has enabled legacy networking'.format(name=self._name, id=self._id))
else:
log.info('QEMU VM "{name}" [{id}] has disabled legacy networking'.format(name=self._name, id=self._id))
self._legacy_networking = legacy_networking | python | def legacy_networking(self, legacy_networking):
"""
Sets either QEMU legacy networking commands are used.
:param legacy_networking: boolean
"""
if legacy_networking:
log.info('QEMU VM "{name}" [{id}] has enabled legacy networking'.format(name=self._name, id=self._id))
else:
log.info('QEMU VM "{name}" [{id}] has disabled legacy networking'.format(name=self._name, id=self._id))
self._legacy_networking = legacy_networking | [
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GNS3/gns3-server | gns3server/compute/qemu/qemu_vm.py | QemuVM.acpi_shutdown | def acpi_shutdown(self, acpi_shutdown):
"""
Sets either this QEMU VM can be ACPI shutdown.
:param acpi_shutdown: boolean
"""
if acpi_shutdown:
log.info('QEMU VM "{name}" [{id}] has enabled ACPI shutdown'.format(name=self._name, id=self._id))
else:
log.info('QEMU VM "{name}" [{id}] has disabled ACPI shutdown'.format(name=self._name, id=self._id))
self._acpi_shutdown = acpi_shutdown | python | def acpi_shutdown(self, acpi_shutdown):
"""
Sets either this QEMU VM can be ACPI shutdown.
:param acpi_shutdown: boolean
"""
if acpi_shutdown:
log.info('QEMU VM "{name}" [{id}] has enabled ACPI shutdown'.format(name=self._name, id=self._id))
else:
log.info('QEMU VM "{name}" [{id}] has disabled ACPI shutdown'.format(name=self._name, id=self._id))
self._acpi_shutdown = acpi_shutdown | [
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GNS3/gns3-server | gns3server/compute/qemu/qemu_vm.py | QemuVM.cpu_throttling | def cpu_throttling(self, cpu_throttling):
"""
Sets the percentage of CPU allowed.
:param cpu_throttling: integer
"""
log.info('QEMU VM "{name}" [{id}] has set the percentage of CPU allowed to {cpu}'.format(name=self._name,
id=self._id,
cpu=cpu_throttling))
self._cpu_throttling = cpu_throttling
self._stop_cpulimit()
if cpu_throttling:
self._set_cpu_throttling() | python | def cpu_throttling(self, cpu_throttling):
"""
Sets the percentage of CPU allowed.
:param cpu_throttling: integer
"""
log.info('QEMU VM "{name}" [{id}] has set the percentage of CPU allowed to {cpu}'.format(name=self._name,
id=self._id,
cpu=cpu_throttling))
self._cpu_throttling = cpu_throttling
self._stop_cpulimit()
if cpu_throttling:
self._set_cpu_throttling() | [
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GNS3/gns3-server | gns3server/compute/qemu/qemu_vm.py | QemuVM.process_priority | def process_priority(self, process_priority):
"""
Sets the process priority.
:param process_priority: string
"""
log.info('QEMU VM "{name}" [{id}] has set the process priority to {priority}'.format(name=self._name,
id=self._id,
priority=process_priority))
self._process_priority = process_priority | python | def process_priority(self, process_priority):
"""
Sets the process priority.
:param process_priority: string
"""
log.info('QEMU VM "{name}" [{id}] has set the process priority to {priority}'.format(name=self._name,
id=self._id,
priority=process_priority))
self._process_priority = process_priority | [
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GNS3/gns3-server | gns3server/compute/qemu/qemu_vm.py | QemuVM.cpus | def cpus(self, cpus):
"""
Sets the number of vCPUs this QEMU VM.
:param cpus: number of vCPUs.
"""
log.info('QEMU VM "{name}" [{id}] has set the number of vCPUs to {cpus}'.format(name=self._name, id=self._id, cpus=cpus))
self._cpus = cpus | python | def cpus(self, cpus):
"""
Sets the number of vCPUs this QEMU VM.
:param cpus: number of vCPUs.
"""
log.info('QEMU VM "{name}" [{id}] has set the number of vCPUs to {cpus}'.format(name=self._name, id=self._id, cpus=cpus))
self._cpus = cpus | [
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GNS3/gns3-server | gns3server/compute/qemu/qemu_vm.py | QemuVM.options | def options(self, options):
"""
Sets the options for this QEMU VM.
:param options: QEMU options
"""
log.info('QEMU VM "{name}" [{id}] has set the QEMU options to {options}'.format(name=self._name,
id=self._id,
options=options))
if not sys.platform.startswith("linux"):
if "-no-kvm" in options:
options = options.replace("-no-kvm", "")
if "-enable-kvm" in options:
options = options.replace("-enable-kvm", "")
elif "-icount" in options and ("-no-kvm" not in options):
# automatically add the -no-kvm option if -icount is detected
# to help with the migration of ASA VMs created before version 1.4
options = "-no-kvm " + options
self._options = options.strip() | python | def options(self, options):
"""
Sets the options for this QEMU VM.
:param options: QEMU options
"""
log.info('QEMU VM "{name}" [{id}] has set the QEMU options to {options}'.format(name=self._name,
id=self._id,
options=options))
if not sys.platform.startswith("linux"):
if "-no-kvm" in options:
options = options.replace("-no-kvm", "")
if "-enable-kvm" in options:
options = options.replace("-enable-kvm", "")
elif "-icount" in options and ("-no-kvm" not in options):
# automatically add the -no-kvm option if -icount is detected
# to help with the migration of ASA VMs created before version 1.4
options = "-no-kvm " + options
self._options = options.strip() | [
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GNS3/gns3-server | gns3server/compute/qemu/qemu_vm.py | QemuVM.initrd | def initrd(self, initrd):
"""
Sets the initrd path for this QEMU VM.
:param initrd: QEMU initrd path
"""
initrd = self.manager.get_abs_image_path(initrd)
log.info('QEMU VM "{name}" [{id}] has set the QEMU initrd path to {initrd}'.format(name=self._name,
id=self._id,
initrd=initrd))
if "asa" in initrd:
self.project.emit("log.warning", {"message": "Warning ASA 8 is not supported by GNS3 and Cisco, you need to use ASAv. Depending of your hardware and OS this could not work or you could be limited to one instance. If ASA 8 is not booting their is no GNS3 solution, you need to upgrade to ASAv."})
self._initrd = initrd | python | def initrd(self, initrd):
"""
Sets the initrd path for this QEMU VM.
:param initrd: QEMU initrd path
"""
initrd = self.manager.get_abs_image_path(initrd)
log.info('QEMU VM "{name}" [{id}] has set the QEMU initrd path to {initrd}'.format(name=self._name,
id=self._id,
initrd=initrd))
if "asa" in initrd:
self.project.emit("log.warning", {"message": "Warning ASA 8 is not supported by GNS3 and Cisco, you need to use ASAv. Depending of your hardware and OS this could not work or you could be limited to one instance. If ASA 8 is not booting their is no GNS3 solution, you need to upgrade to ASAv."})
self._initrd = initrd | [
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GNS3/gns3-server | gns3server/compute/qemu/qemu_vm.py | QemuVM.kernel_image | def kernel_image(self, kernel_image):
"""
Sets the kernel image path for this QEMU VM.
:param kernel_image: QEMU kernel image path
"""
kernel_image = self.manager.get_abs_image_path(kernel_image)
log.info('QEMU VM "{name}" [{id}] has set the QEMU kernel image path to {kernel_image}'.format(name=self._name,
id=self._id,
kernel_image=kernel_image))
self._kernel_image = kernel_image | python | def kernel_image(self, kernel_image):
"""
Sets the kernel image path for this QEMU VM.
:param kernel_image: QEMU kernel image path
"""
kernel_image = self.manager.get_abs_image_path(kernel_image)
log.info('QEMU VM "{name}" [{id}] has set the QEMU kernel image path to {kernel_image}'.format(name=self._name,
id=self._id,
kernel_image=kernel_image))
self._kernel_image = kernel_image | [
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GNS3/gns3-server | gns3server/compute/qemu/qemu_vm.py | QemuVM.kernel_command_line | def kernel_command_line(self, kernel_command_line):
"""
Sets the kernel command line for this QEMU VM.
:param kernel_command_line: QEMU kernel command line
"""
log.info('QEMU VM "{name}" [{id}] has set the QEMU kernel command line to {kernel_command_line}'.format(name=self._name,
id=self._id,
kernel_command_line=kernel_command_line))
self._kernel_command_line = kernel_command_line | python | def kernel_command_line(self, kernel_command_line):
"""
Sets the kernel command line for this QEMU VM.
:param kernel_command_line: QEMU kernel command line
"""
log.info('QEMU VM "{name}" [{id}] has set the QEMU kernel command line to {kernel_command_line}'.format(name=self._name,
id=self._id,
kernel_command_line=kernel_command_line))
self._kernel_command_line = kernel_command_line | [
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GNS3/gns3-server | gns3server/compute/qemu/qemu_vm.py | QemuVM._set_process_priority | def _set_process_priority(self):
"""
Changes the process priority
"""
if self._process_priority == "normal":
return
if sys.platform.startswith("win"):
try:
import win32api
import win32con
import win32process
except ImportError:
log.error("pywin32 must be installed to change the priority class for QEMU VM {}".format(self._name))
else:
log.info("Setting QEMU VM {} priority class to {}".format(self._name, self._process_priority))
handle = win32api.OpenProcess(win32con.PROCESS_ALL_ACCESS, 0, self._process.pid)
if self._process_priority == "realtime":
priority = win32process.REALTIME_PRIORITY_CLASS
elif self._process_priority == "very high":
priority = win32process.HIGH_PRIORITY_CLASS
elif self._process_priority == "high":
priority = win32process.ABOVE_NORMAL_PRIORITY_CLASS
elif self._process_priority == "low":
priority = win32process.BELOW_NORMAL_PRIORITY_CLASS
elif self._process_priority == "very low":
priority = win32process.IDLE_PRIORITY_CLASS
else:
priority = win32process.NORMAL_PRIORITY_CLASS
try:
win32process.SetPriorityClass(handle, priority)
except win32process.error as e:
log.error('Could not change process priority for QEMU VM "{}": {}'.format(self._name, e))
else:
if self._process_priority == "realtime":
priority = -20
elif self._process_priority == "very high":
priority = -15
elif self._process_priority == "high":
priority = -5
elif self._process_priority == "low":
priority = 5
elif self._process_priority == "very low":
priority = 19
else:
priority = 0
try:
process = yield from asyncio.create_subprocess_exec('renice', '-n', str(priority), '-p', str(self._process.pid))
yield from process.wait()
except (OSError, subprocess.SubprocessError) as e:
log.error('Could not change process priority for QEMU VM "{}": {}'.format(self._name, e)) | python | def _set_process_priority(self):
"""
Changes the process priority
"""
if self._process_priority == "normal":
return
if sys.platform.startswith("win"):
try:
import win32api
import win32con
import win32process
except ImportError:
log.error("pywin32 must be installed to change the priority class for QEMU VM {}".format(self._name))
else:
log.info("Setting QEMU VM {} priority class to {}".format(self._name, self._process_priority))
handle = win32api.OpenProcess(win32con.PROCESS_ALL_ACCESS, 0, self._process.pid)
if self._process_priority == "realtime":
priority = win32process.REALTIME_PRIORITY_CLASS
elif self._process_priority == "very high":
priority = win32process.HIGH_PRIORITY_CLASS
elif self._process_priority == "high":
priority = win32process.ABOVE_NORMAL_PRIORITY_CLASS
elif self._process_priority == "low":
priority = win32process.BELOW_NORMAL_PRIORITY_CLASS
elif self._process_priority == "very low":
priority = win32process.IDLE_PRIORITY_CLASS
else:
priority = win32process.NORMAL_PRIORITY_CLASS
try:
win32process.SetPriorityClass(handle, priority)
except win32process.error as e:
log.error('Could not change process priority for QEMU VM "{}": {}'.format(self._name, e))
else:
if self._process_priority == "realtime":
priority = -20
elif self._process_priority == "very high":
priority = -15
elif self._process_priority == "high":
priority = -5
elif self._process_priority == "low":
priority = 5
elif self._process_priority == "very low":
priority = 19
else:
priority = 0
try:
process = yield from asyncio.create_subprocess_exec('renice', '-n', str(priority), '-p', str(self._process.pid))
yield from process.wait()
except (OSError, subprocess.SubprocessError) as e:
log.error('Could not change process priority for QEMU VM "{}": {}'.format(self._name, e)) | [
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GNS3/gns3-server | gns3server/compute/qemu/qemu_vm.py | QemuVM._stop_cpulimit | def _stop_cpulimit(self):
"""
Stops the cpulimit process.
"""
if self._cpulimit_process and self._cpulimit_process.returncode is None:
self._cpulimit_process.kill()
try:
self._process.wait(3)
except subprocess.TimeoutExpired:
log.error("Could not kill cpulimit process {}".format(self._cpulimit_process.pid)) | python | def _stop_cpulimit(self):
"""
Stops the cpulimit process.
"""
if self._cpulimit_process and self._cpulimit_process.returncode is None:
self._cpulimit_process.kill()
try:
self._process.wait(3)
except subprocess.TimeoutExpired:
log.error("Could not kill cpulimit process {}".format(self._cpulimit_process.pid)) | [
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GNS3/gns3-server | gns3server/compute/qemu/qemu_vm.py | QemuVM._set_cpu_throttling | def _set_cpu_throttling(self):
"""
Limits the CPU usage for current QEMU process.
"""
if not self.is_running():
return
try:
if sys.platform.startswith("win") and hasattr(sys, "frozen"):
cpulimit_exec = os.path.join(os.path.dirname(os.path.abspath(sys.executable)), "cpulimit", "cpulimit.exe")
else:
cpulimit_exec = "cpulimit"
subprocess.Popen([cpulimit_exec, "--lazy", "--pid={}".format(self._process.pid), "--limit={}".format(self._cpu_throttling)], cwd=self.working_dir)
log.info("CPU throttled to {}%".format(self._cpu_throttling))
except FileNotFoundError:
raise QemuError("cpulimit could not be found, please install it or deactivate CPU throttling")
except (OSError, subprocess.SubprocessError) as e:
raise QemuError("Could not throttle CPU: {}".format(e)) | python | def _set_cpu_throttling(self):
"""
Limits the CPU usage for current QEMU process.
"""
if not self.is_running():
return
try:
if sys.platform.startswith("win") and hasattr(sys, "frozen"):
cpulimit_exec = os.path.join(os.path.dirname(os.path.abspath(sys.executable)), "cpulimit", "cpulimit.exe")
else:
cpulimit_exec = "cpulimit"
subprocess.Popen([cpulimit_exec, "--lazy", "--pid={}".format(self._process.pid), "--limit={}".format(self._cpu_throttling)], cwd=self.working_dir)
log.info("CPU throttled to {}%".format(self._cpu_throttling))
except FileNotFoundError:
raise QemuError("cpulimit could not be found, please install it or deactivate CPU throttling")
except (OSError, subprocess.SubprocessError) as e:
raise QemuError("Could not throttle CPU: {}".format(e)) | [
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GNS3/gns3-server | gns3server/compute/qemu/qemu_vm.py | QemuVM.stop | def stop(self):
"""
Stops this QEMU VM.
"""
yield from self._stop_ubridge()
with (yield from self._execute_lock):
# stop the QEMU process
self._hw_virtualization = False
if self.is_running():
log.info('Stopping QEMU VM "{}" PID={}'.format(self._name, self._process.pid))
try:
if self.acpi_shutdown:
yield from self._control_vm("system_powerdown")
yield from gns3server.utils.asyncio.wait_for_process_termination(self._process, timeout=30)
else:
self._process.terminate()
yield from gns3server.utils.asyncio.wait_for_process_termination(self._process, timeout=3)
except ProcessLookupError:
pass
except asyncio.TimeoutError:
if self._process:
try:
self._process.kill()
except ProcessLookupError:
pass
if self._process.returncode is None:
log.warn('QEMU VM "{}" PID={} is still running'.format(self._name, self._process.pid))
self._process = None
self._stop_cpulimit()
yield from super().stop() | python | def stop(self):
"""
Stops this QEMU VM.
"""
yield from self._stop_ubridge()
with (yield from self._execute_lock):
# stop the QEMU process
self._hw_virtualization = False
if self.is_running():
log.info('Stopping QEMU VM "{}" PID={}'.format(self._name, self._process.pid))
try:
if self.acpi_shutdown:
yield from self._control_vm("system_powerdown")
yield from gns3server.utils.asyncio.wait_for_process_termination(self._process, timeout=30)
else:
self._process.terminate()
yield from gns3server.utils.asyncio.wait_for_process_termination(self._process, timeout=3)
except ProcessLookupError:
pass
except asyncio.TimeoutError:
if self._process:
try:
self._process.kill()
except ProcessLookupError:
pass
if self._process.returncode is None:
log.warn('QEMU VM "{}" PID={} is still running'.format(self._name, self._process.pid))
self._process = None
self._stop_cpulimit()
yield from super().stop() | [
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