# -*- coding: utf-8 -*-
import paramiko

c = paramiko.SSHClient()
c.set_missing_host_key_policy(paramiko.AutoAddPolicy())
c.connect("192.168.110.207", username="root", password="123456", timeout=20)

cmds = [
    "which -a kubectl; ls -la $(which kubectl) /usr/bin/kubectl /usr/local/bin/kubectl 2>/dev/null; type kubectl",
    "kubectl version --client 2>&1 | head -5",
    "echo KUBECONFIG=$KUBECONFIG; ls -la ~/.kube/config /etc/rancher/k3s/k3s.yaml 2>&1",
    "head -20 ~/.kube/config 2>/dev/null || echo no_home_kube",
    "head -15 /etc/rancher/k3s/k3s.yaml 2>/dev/null",
    "k3s kubectl get nodes 2>&1",
    "systemctl is-active k3s; k3s --version | head -1",
]
for cmd in cmds:
    print("===", cmd[:70])
    _, o, e = c.exec_command(cmd, timeout=30)
    print(o.read().decode(errors="replace"))
    err = e.read().decode(errors="replace")
    if err.strip():
        print("ERR:", err[:500])
c.close()