feat(pillar-4): complete dual-npm keepalived HA cluster on VIP 140.44.4.70

scripts/check_host_ports.py

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+import sys
+import paramiko
+
+sys.stdout.reconfigure(encoding='utf-8')
+
+def main():
+    for ip, node in [('140.44.4.71', 'snshpd4lnxswm01'), ('140.44.4.72', 'snshpd4lnxswm02')]:
+        ssh = paramiko.SSHClient()
+        ssh.set_missing_host_key_policy(paramiko.AutoAddPolicy())
+        ssh.connect(ip, username='snarf', key_filename=r'C:\Users\Snarf\.ssh\id_ed25519_snarfnet', timeout=10)
+        
+        print(f"=== {node} ({ip}) ===")
+        stdin, stdout, stderr = ssh.exec_command('sudo ss -tulpn | grep -E ":80 |:81 |:443 " || true')
+        print("SS:\n", stdout.read().decode())
+        stdin, stdout, stderr = ssh.exec_command('sudo docker ps -a --filter "name=nginx" --format "{{.ID}} {{.Status}} {{.Names}}"')
+        print("Containers:\n", stdout.read().decode())
+        ssh.close()
+
+if __name__ == '__main__':
+    main()
+