Apply¶

The apply operation defines resources that should be applied to a Kubernetes cluster. If the resource does not exist yet it will be created, otherwise, it will be configured to match the provided configuration.

Configuration¶

The full structure of the Apply is documented here.

Features¶

Supported features
Bindings support
Outputs support
Templating support
Operation checks support

Examples¶

apiVersion: chainsaw.kyverno.io/v1alpha1
kind: Test
metadata:
  name: example
spec:
  steps:
  - try:
    - apply:
        # use a specific file
        file: my-configmap.yaml
---
apiVersion: chainsaw.kyverno.io/v1alpha1
kind: Test
metadata:
  name: example
spec:
  steps:
  - try:
    - apply:
        # use glob pattern
        file: "configs/*.yaml"
---
apiVersion: chainsaw.kyverno.io/v1alpha1
kind: Test
metadata:
  name: example
spec:
  steps:
  - try:
    - apply:
        # use an URL
        file: https://raw.githubusercontent.com/kyverno/chainsaw/main/testdata/step/configmap.yaml
---
apiVersion: chainsaw.kyverno.io/v1alpha1
kind: Test
metadata:
  name: example
spec:
  steps:
  - try:
    - apply:
        # specify resource inline
        resource:
          apiVersion: v1
          kind: ConfigMap
          metadata:
            name: chainsaw-quick-start
          data:
            foo: bar

Operation check¶

apiVersion: chainsaw.kyverno.io/v1alpha1
kind: Test
metadata:
  name: example
spec:
  steps:
  - try:
    - apply:
        file: my-configmap.yaml
        expect:
        - match:
            # this check applies only if the match
            # statement below evaluates to `true`
            apiVersion: v1
            kind: ConfigMap
          check:
            # an error is expected, this will:
            # - succeed if the operation failed
            # - fail if the operation succeeded
            ($error != null): true