Spaces:
Build error
Build error
File size: 6,311 Bytes
8b24bef |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 |
#!/usr/bin/env python3
"""
Coral Server Python Wrapper
Starts and manages the coral-server on port 5555
"""
import os
import sys
import subprocess
import signal
import time
import logging
from threading import Thread
# Configure logging
logging.basicConfig(
level=logging.INFO,
format='%(asctime)s - %(name)s - %(levelname)s - %(message)s'
)
logger = logging.getLogger('coral-wrapper')
class CoralServerWrapper:
def __init__(self, port=5555, jar_path='coral-server.jar'):
self.port = int(os.environ.get('CORAL_PORT', port))
self.jar_path = jar_path
self.process = None
self.running = False
def check_java_version(self):
"""Verify Java version is > 17"""
try:
result = subprocess.run(
['java', '-version'],
capture_output=True,
text=True
)
version_info = result.stderr or result.stdout
logger.info(f"Java version: {version_info.split()[2].strip('\"')}")
# Extract major version
version_str = version_info.split()[2].strip('"')
major_version = int(version_str.split('.')[0])
if major_version < 17:
logger.error(f"Java version {major_version} is < 17. Please upgrade.")
return False
return True
except Exception as e:
logger.error(f"Error checking Java version: {e}")
return False
def start_server(self):
"""Start the coral-server"""
if not self.check_java_version():
sys.exit(1)
try:
# Java command to run coral-server
java_cmd = [
'java',
'-Xmx512m',
'-Xms256m',
'-XX:+UseContainerSupport',
'-XX:MaxRAMPercentage=75.0',
'-jar',
self.jar_path,
'--sse-server-ktor',
str(self.port)
]
logger.info(f"Starting coral-server on port {self.port}...")
logger.info(f"Command: {' '.join(java_cmd)}")
# Start the process
self.process = subprocess.Popen(
java_cmd,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
universal_newlines=True,
bufsize=1
)
self.running = True
# Start thread to monitor output
output_thread = Thread(target=self.monitor_output)
output_thread.daemon = True
output_thread.start()
# Wait a moment to ensure server starts
time.sleep(3)
if self.process.poll() is None:
logger.info(f"✓ Coral-server started successfully on port {self.port}")
logger.info(f" Server URL: http://localhost:{self.port}")
else:
logger.error("Server failed to start")
self.running = False
sys.exit(1)
except FileNotFoundError:
logger.error(f"JAR file not found: {self.jar_path}")
sys.exit(1)
except Exception as e:
logger.error(f"Error starting server: {e}")
sys.exit(1)
def monitor_output(self):
"""Monitor and log server output"""
try:
for line in iter(self.process.stdout.readline, ''):
if line:
logger.info(f"[coral-server] {line.strip()}")
if not self.running:
break
except Exception as e:
logger.error(f"Error monitoring output: {e}")
def stop_server(self):
"""Stop the coral-server gracefully"""
if self.process and self.running:
logger.info("Stopping coral-server...")
self.running = False
# Send SIGTERM for graceful shutdown
self.process.terminate()
# Wait for process to end (max 10 seconds)
try:
self.process.wait(timeout=10)
logger.info("✓ Coral-server stopped gracefully")
except subprocess.TimeoutExpired:
logger.warning("Force killing coral-server...")
self.process.kill()
self.process.wait()
logger.info("✓ Coral-server force stopped")
def restart_server(self):
"""Restart the coral-server"""
logger.info("Restarting coral-server...")
self.stop_server()
time.sleep(2)
self.start_server()
def health_check(self):
"""Check if server is healthy"""
if self.process and self.process.poll() is None:
return True
return False
def run(self):
"""Main run method - starts server and handles signals"""
# Setup signal handlers
signal.signal(signal.SIGTERM, self.signal_handler)
signal.signal(signal.SIGINT, self.signal_handler)
# Start the server
self.start_server()
# Keep running and monitor health
try:
while self.running:
time.sleep(5)
if not self.health_check():
logger.error("Server health check failed!")
logger.info("Attempting restart...")
self.restart_server()
except KeyboardInterrupt:
logger.info("Received interrupt signal")
finally:
self.stop_server()
def signal_handler(self, signum, frame):
"""Handle shutdown signals"""
logger.info(f"Received signal {signum}")
self.running = False
def main():
"""Main entry point"""
logger.info("="*50)
logger.info("Coral Server Python Wrapper")
logger.info("="*50)
# Get configuration from environment
port = os.environ.get('CORAL_PORT', 5555)
jar_path = os.environ.get('CORAL_JAR_PATH', 'coral-server.jar')
# Create and run wrapper
wrapper = CoralServerWrapper(port=port, jar_path=jar_path)
wrapper.run()
if __name__ == "__main__":
main() |