Upload crd_setup.py

crd_setup.py

@@ -0,0 +1,170 @@
+import os
+import subprocess
+import time
+import glob
+import sys
+
+# ==========================================
+# CONFIGURATION VARIABLES
+# ==========================================
+username = "user" # Replace with your desired username
+password = "root" # Replace with your desired password
+
+# Enter a Pin (must be 6 or more digits)
+Pin = 123456 
+
+# Autostart Browser in RDP
+Autostart = False 
+# ==========================================
+
+# Prompt the user for the CRP command interactively
+print("===================================================================")
+print("Visit: https://remotedesktop.google.com/headless")
+print("Authenticate, click 'Begin', 'Next', and 'Authorize'.")
+print("Copy the command for 'Debian Linux' and paste it below.")
+print("===================================================================")
+CRP = input("Paste your CRD command here: ").strip()
+
+print(f"\nCreating User and Setting it up...")
+
+# Creation of user
+os.system(f"sudo useradd -m {username}")
+os.system(f"sudo adduser {username} sudo")
+os.system(f"echo '{username}:{password}' | sudo chpasswd")
+os.system("sudo sed -i 's/\/bin\/sh/\/bin\/bash/g' /etc/passwd")
+
+print(f"User created and configured having username `{username}` and password `{password}`\n")
+
+class CRD:
+    def __init__(self, user):
+        os.system("sudo apt update")
+        self.installCRD()
+        self.installDesktopEnvironment()
+        self.installGoogleChrome()
+        self.finish(user)
+        self.verify_running(user)
+        self.tail_logs(user)
+
+    @staticmethod
+    def installCRD():
+        print("\nInstalling Chrome Remote Desktop...")
+        subprocess.run(['wget', '-O', 'chrome-remote-desktop_current_amd64.deb', 'https://dl.google.com/linux/direct/chrome-remote-desktop_current_amd64.deb'])
+        try:
+            subprocess.run(['sudo', 'dpkg', '--install', 'chrome-remote-desktop_current_amd64.deb'], check=True)
+            subprocess.run(['sudo', 'apt', 'install', '--assume-yes', '--fix-broken'], check=True)
+        except subprocess.CalledProcessError:
+            print("\n[!] CRITICAL ERROR: Package installation failed.")
+            print("[!] Wait for the setup progress bar to disappear, then run this script again.")
+            sys.exit(1)
+
+    @staticmethod
+    def installDesktopEnvironment():
+        print("\nInstalling Desktop Environment (XFCE4)...")
+        os.system("sudo DEBIAN_FRONTEND=noninteractive apt install --assume-yes xvfb xfce4 desktop-base xfce4-terminal")
+        os.system("sudo bash -c 'echo \"exec /etc/X11/Xsession /usr/bin/xfce4-session\" > /etc/chrome-remote-desktop-session'")
+        os.system("sudo chmod +x /etc/chrome-remote-desktop-session")
+        os.system("sudo apt remove --assume-yes gnome-terminal")
+        os.system("sudo apt install --assume-yes xscreensaver")
+        os.system("sudo systemctl disable lightdm.service")
+
+    @staticmethod
+    def installGoogleChrome():
+        print("\nInstalling Google Chrome...")
+        subprocess.run(["wget", "-O", "google-chrome-stable_current_amd64.deb", "https://dl.google.com/linux/direct/google-chrome-stable_current_amd64.deb"])
+        try:
+            subprocess.run(["sudo", "dpkg", "--install", "google-chrome-stable_current_amd64.deb"], check=True)
+            subprocess.run(['sudo', 'apt', 'install', '--assume-yes', '--fix-broken'], check=True)
+        except subprocess.CalledProcessError:
+            print("\n[!] CRITICAL ERROR: Google Chrome installation failed.")
+            sys.exit(1)
+
+    @staticmethod
+    def finish(user):
+        print("\nFinalizing setup...")
+        if Autostart:
+            os.system(f"sudo -u {user} mkdir -p /home/{user}/.config/autostart")
+            link = "https://lightning.ai/"
+            browser_autostart = f"""[Desktop Entry]
+Type=Application
+Name=Browser
+Exec=sh -c "sensible-browser {link}"
+Icon=
+Comment=Open a predefined page at session signin.
+X-GNOME-Autostart-enabled=true"""
+            os.system(f"sudo bash -c 'cat > /home/{user}/.config/autostart/browser.desktop <<EOF\n{browser_autostart}\nEOF'")
+            os.system(f"sudo chmod +x /home/{user}/.config/autostart/browser.desktop")
+
+        os.system("sudo groupadd chrome-remote-desktop || true")
+        os.system(f"sudo usermod -aG chrome-remote-desktop {user}")
+
+        os.system(f"sudo chown -R {user}:{user} /home/{user}")
+        os.system("sudo rm -rf /tmp/.X*")
+
+        # ==========================================
+        # CRITICAL FIX: keep the host alive after this script exits
+        # ==========================================
+        # In containerized / cloud-VM environments (like Lightning.ai), systemd-logind
+        # kills a user's processes as soon as their last login session ends. Since the
+        # CRD host is started inside a temporary `su - user` session, it gets killed a
+        # few seconds after the script finishes unless lingering is enabled. This is
+        # what causes the host to look "stuck" on Starting... forever in the web UI.
+        os.system(f"sudo loginctl enable-linger {user}")
+
+        # Clear the failed state of the CRD daemon triggered during package installation,
+        # and stop it so the CRP command initializes it cleanly.
+        os.system("sudo systemctl reset-failed chrome-remote-desktop.service || true")
+        os.system("sudo systemctl stop chrome-remote-desktop.service || true")
+
+        command = f"{CRP} --pin={Pin}"
+        os.system(f"sudo su - {user} -c '{command}'")
+
+        os.system("sudo service chrome-remote-desktop restart")
+        print("Finished Configuration Successfully.")
+
+    @staticmethod
+    def verify_running(user):
+        print("\nVerifying the host survives after this session ends...")
+        time.sleep(5)
+        result = subprocess.run(
+            ["pgrep", "-fu", user, "chrome-remote-desktop"],
+            capture_output=True, text=True
+        )
+        if result.stdout.strip():
+            print("[OK] Host process is running and should stay up (lingering enabled).")
+        else:
+            print("[!] Host process not found. Lingering may not have taken effect yet.")
+            print(f"    Try manually: sudo -u {user} /opt/google/chrome-remote-desktop/chrome-remote-desktop --start")
+
+    @staticmethod
+    def tail_logs(user):
+        print("\n===================================================================")
+        print("RDP created successfully! Go to: https://remotedesktop.google.com/access")
+        print("Now streaming live activity logs. (Press Ctrl+C to stop viewing)")
+        print("===================================================================\n")
+
+        xsession_log = f"/home/{user}/.xsession-errors"
+        os.system(f"sudo touch {xsession_log}")
+        os.system(f"sudo chown {user}:{user} {xsession_log}")
+        time.sleep(3)
+
+        crd_logs = glob.glob("/tmp/chrome_remote_desktop_*")
+        crd_log_cmd = ""
+        if crd_logs:
+            latest_crd_log = max(crd_logs, key=os.path.getctime)
+            crd_log_cmd = f" {latest_crd_log}"
+
+        try:
+            os.system(f"sudo tail -F {xsession_log}{crd_log_cmd}")
+        except KeyboardInterrupt:
+            print("\nStopped watching logs. RDP is still running in the background.")
+
+# Entry Point Validation
+try:
+    if not CRP or "PASTE_YOUR_CRD_COMMAND_HERE" in CRP:
+        print("Error: You did not enter a valid CRD authcode.")
+    elif len(str(Pin)) < 6:
+        print("Error: Pin must be 6 or more digits.")
+    else:
+        CRD(username)
+except NameError as e:
+    print("'username' variable not found, check your configuration variables.")