k8s-pilot

Instructions

Implementation Reference

• tools/deployment.py:85-107 (handler)

  The main handler function for the 'deployment_update' tool. It reads the existing deployment, updates the container image and replicas, then replaces the deployment using the Kubernetes API. Registered via @mcp.tool() decorator.

  @mcp.tool()
  @use_current_context
  @check_readonly_permission
  def deployment_update(context_name: str, namespace: str, name: str, image: str, replicas: int):
      """
      Update an existing Deployment in the specified namespace.
  
      Args:
          context_name: The Kubernetes context name
          namespace: The Kubernetes namespace
          name: The Deployment name
          image: The new container image to update
          replicas: The new number of replicas
  
      Returns:
          Status of the update operation
      """
      apps_v1: AppsV1Api = get_api_clients(context_name)["apps"]
      deployment = apps_v1.read_namespaced_deployment(name=name, namespace=namespace)
      deployment.spec.template.spec.containers[0].image = image
      deployment.spec.replicas = replicas
      updated_deployment = apps_v1.replace_namespaced_deployment(name=name, namespace=namespace, body=deployment)
      return {"name": updated_deployment.metadata.name, "status": "Updated"}