added kubernetes - ssh client example

README.md

@@ -40,3 +40,58 @@ _(local machine without direct access to target-server)_
 ```bash
 ssh -f -N -L localhost:8001:target-server:80 usr@jump-machine.local
 ```
+
+### kubernetes - ssh client
+
+```yaml
+kind: Pod
+metadata:
+  name: ssh-client
+  labels:
+    app: ssh-client
+spec:
+  containers:
+    - name: ssh-client
+      image: git.limbosolutions.com/kb/ssh-client:latest
+      tty: true
+      command: ["bash", "-c"]
+      args:
+        - |
+        set -e
+        eval `ssh-agent` 
+        ssh-keyscan -p ${SRV_PORT} -H ${SRV_HOST} > ~/.ssh/known_hosts
+        ssh ${SRV_HOST}@${SRV_USER} -p ${SRV_PORT} "ls -lah" && \
+        echo "INFO:Remote command executed!"
+      env:
+        - name: SRV_HOST
+          valueFrom:
+            secretKeyRef:
+              name: backup-secrets
+              key: SRV_HOST
+
+        - name: SRV_PORT
+          valueFrom:
+            secretKeyRef:
+              name: backup-secrets
+              key: SRV_PORT
+
+        - name: SRV_USER
+          valueFrom:
+            secretKeyRef:
+              name: backup-secrets
+              key: SRV_USER
+
+      volumeMounts:
+        - name: backup-secrets
+          subPath: SSH_PRIVATE_KEY
+          mountPath: /root/.ssh/id_ed25519
+
+  volumes:
+    - name: backup-secrets
+      secret:
+        secretName: backup-secrets
+        defaultMode: 0600
+        items:
+          - key: SSH_PRIVATE_KEY
+            path: SSH_PRIVATE_KEY
+```