98 lines
3.4 KiB
Python
98 lines
3.4 KiB
Python
import paramiko
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import sys
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import time
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sys.stdout.reconfigure(encoding='utf-8')
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KEY_FILE = r'C:\Users\Snarf\.ssh\id_ed25519_snarfnet'
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swarm_nodes = [
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('snshpd4lnxswm04', '140.44.4.74'),
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('snshpd4lnxswm03', '140.44.4.73'),
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('snshpd4lnxswm02', '140.44.4.72'),
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('snshpd4lnxswm01', '140.44.4.71')
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]
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upgrade_cmd = """
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echo "debconf debconf/frontend select Noninteractive" | sudo debconf-set-selections
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echo "linux-base linux-base/removing-running-kernel boolean false" | sudo debconf-set-selections
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export DEBIAN_FRONTEND=noninteractive
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sudo apt-get update -qq
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sudo apt-get -o Dpkg::Options::="--force-confdef" -o Dpkg::Options::="--force-confold" dist-upgrade -y
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sudo apt-get autoremove -y
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"""
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for name, ip in swarm_nodes:
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print(f"\n=======================================================")
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print(f"[*] Upgrading Docker Swarm node {name} ({ip})...")
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print(f"=======================================================")
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ssh = paramiko.SSHClient()
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ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
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ssh.connect(ip, username='snarf', key_filename=KEY_FILE, timeout=10)
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stdin, stdout, stderr = ssh.exec_command(upgrade_cmd)
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exit_code = stdout.channel.recv_exit_status()
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print(f"[*] apt dist-upgrade finished with exit code {exit_code}")
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# Check reboot
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_, out, _ = ssh.exec_command("test -f /var/run/reboot-required && echo 'yes' || echo 'no'")
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reboot_needed = out.read().decode().strip() == 'yes'
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print(f"[*] Reboot required: {reboot_needed}")
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if reboot_needed:
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print(f"[*] Gracefully rebooting {name}...")
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try:
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ssh.exec_command("sudo reboot")
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except Exception:
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pass
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ssh.close()
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print("[*] Waiting 30s for reboot...")
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time.sleep(30)
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reconnected = False
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for attempt in range(25):
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try:
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ssh = paramiko.SSHClient()
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ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
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ssh.connect(ip, username='snarf', key_filename=KEY_FILE, timeout=6)
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reconnected = True
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print(f"[*] {name} reconnected successfully on attempt {attempt+1}!")
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break
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except Exception:
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time.sleep(4)
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if not reconnected:
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print(f"[!] ERROR: {name} failed to reconnect!")
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sys.exit(1)
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_, out, _ = ssh.exec_command("sudo systemctl is-active docker")
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print(f" Docker: {out.read().decode().strip()}")
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ssh.close()
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else:
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ssh.close()
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# Settle Swarm consensus
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print(f"[*] Settling Swarm Raft consensus (15s)...")
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time.sleep(15)
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# Verify from swm01
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final_ssh = paramiko.SSHClient()
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final_ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
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final_ssh.connect('140.44.4.71', username='snarf', key_filename=KEY_FILE, timeout=10)
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_, out, _ = final_ssh.exec_command('sudo docker node ls')
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print("\n=== FINAL DOCKER SWARM NODES ===")
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print(out.read().decode())
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_, out, _ = final_ssh.exec_command('sudo docker service ls')
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print("=== DOCKER SERVICES ===")
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print(out.read().decode())
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_, out, _ = final_ssh.exec_command('ip addr show | grep 140.44.4')
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print("=== KEEPALIved VIP 140.44.4.70 ===")
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print(out.read().decode())
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final_ssh.close()
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print("[SUCCESS] All Docker Swarm nodes upgraded to latest Docker Engine and packages!")
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