apiVersion: batch/v1
kind: CronJob
metadata:
  name: ip-updater
spec:
  schedule: "*/5 * * * *"
  successfulJobsHistoryLimit: 1
  failedJobsHistoryLimit: 3
  jobTemplate:
    spec:
      template:
        spec:
          containers:
            - name: ip-updater
              image: alpine:3.19
              command: ["/bin/sh", "-c"]
              args:
                - |
                  apk add --no-cache openssh-client curl > /dev/null 2>&1
                  cp /ssh-key/private_key /tmp/ssh_key
                  chmod 600 /tmp/ssh_key
                  IP=$(curl -s --max-time 10 https://api.ipify.org)
                  if [ -z "$IP" ]; then
                    echo "Failed to get external IP"
                    exit 1
                  fi
                  echo "Current external IP: $IP"
                  ssh -o StrictHostKeyChecking=no -o UserKnownHostsFile=/dev/null \
                    -i /tmp/ssh_key root@46.224.26.65 "$IP"
              volumeMounts:
                - name: ssh-key
                  mountPath: /ssh-key
                  readOnly: true
          volumes:
            - name: ssh-key
              secret:
                secretName: ip-updater-ssh-key
                defaultMode: 0400
          restartPolicy: OnFailure