Kubernetes Resource Model Executor

A command can interact with the Kubernetes Resource Model (KRM) to interact with pods, services, jobs, or any custom resource.

KRM Executor Configuration Properties describes the properties of this definition.

Create

The Create action creates a new KRM using the definition from the yamlTemplate. This is the same as using the kubectl create command.

Before the resource exists, it cannot be selected by the resource selector, so the resource selector is left blank, as shown in the following example:

executor:
  executeKRM:
    action: create
    yamlTemplate: |
      apiVersion: v1
      kind: Pod
      metadata:
        labels:
          app: busybox
          createdBy: admin-service
        name: busybox
      spec:
        containers:
        - command:
          - sleep
          - "100000"
          image: busybox
          imagePullPolicy: Always
          name: busybox

Patch

The Patch action updates the values of an existing resource, the only resource selected by the resource selector. This is the same as using the kubectl patch command. The values to patch are defined in the yamlTemplate property, as shown in the following example:

executor:
    executeKRM:
      action: patch
      yamlTemplate: |
        metadata:
          annotations:
            patchedBy: admin-service

Delete

The Delete action deletes the resource identified in the Resource Selector. The yamlTemplate value is not used. This is the same as using the kubectl delete command.