60 lines
1.8 KiB
Python
60 lines
1.8 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_path = r"C:\Users\Snarf\.ssh\id_ed25519_snarfnet"
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client = paramiko.SSHClient()
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client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
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target_ip = "140.44.4.42"
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node_name = "sninfr0lnxctl02"
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print(f"Connecting to {node_name} ({target_ip}) to issue reboot -f...")
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client.connect(target_ip, username="root", key_filename=key_path, timeout=10)
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try:
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stdin, stdout, stderr = client.exec_command("/sbin/reboot -f")
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print(stdout.read().decode('utf-8'))
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print(stderr.read().decode('utf-8'))
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except Exception as e:
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print("Exception on reboot (expected):", e)
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client.close()
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print(f"Waiting for {node_name} to drop off network...")
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for i in range(30):
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try:
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c = paramiko.SSHClient()
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c.set_missing_host_key_policy(paramiko.AutoAddPolicy())
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c.connect(target_ip, username="root", key_filename=key_path, timeout=2)
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c.close()
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sys.stdout.write("x")
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sys.stdout.flush()
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time.sleep(2)
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except Exception:
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print(f"\n{node_name} is DOWN! Reboot has taken effect!")
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break
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print(f"Waiting for {node_name} to boot back up...")
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start = time.time()
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up = False
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while time.time() - start < 180:
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try:
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c = paramiko.SSHClient()
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c.set_missing_host_key_policy(paramiko.AutoAddPolicy())
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c.connect(target_ip, username="root", key_filename=key_path, timeout=3)
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stdin, stdout, stderr = c.exec_command("uptime; uname -r; modprobe veth; lsmod | grep veth")
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out = stdout.read().decode('utf-8').strip()
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c.close()
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print(f"\n{node_name} is UP!\n{out}")
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up = True
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break
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except Exception:
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sys.stdout.write(".")
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sys.stdout.flush()
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time.sleep(3)
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if not up:
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print(f"\nTimeout waiting for {node_name}.")
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