defaults:
  hub: gcr.io/istio-testing
  tag: latest

  # ImagePullSecrets for operator ServiceAccount, list of secrets in the same namespace
  # used to pull operator image. Must be set for any cluster configured with private docker registry.
  imagePullSecrets: []

  # Specify image pull policy if default behavior isn't desired.
  # Default behavior: latest images will be Always else IfNotPresent.
  imagePullPolicy: ""

        when:
        String content = asciidoctor.convert(asciidocContent, [:])

        then:
        content.contains('Please <a href="https://github.com/gradle/guides/issues/new">add an issue</a> or pull request to <a href="https://github.com/gradle/guides">gradle/guides</a>')
    }

    def "defaults repo to gradle/guides and issue to blank url when repo-path attribute is defined"() {
        given:

defaults:
  # Hub to pull from. Image will be `Hub/Image:Tag-Variant`
  hub: gcr.io/istio-testing
  # Tag to pull from. Image will be `Hub/Image:Tag-Variant`
  tag: latest
  # Variant to pull. Options are "debug" or "distroless". Unset will use the default for the given version.
  variant: ""

  # Image name to pull from. Image will be `Hub/Image:Tag-Variant`
  # If Image contains a "/", it will replace the entire `image` in the pod.
  image: ztunnel

		backOff:                imageBackOff,
		puller:                 puller,
		podPullingTimeRecorder: podPullingTimeRecorder,
	}
}

// shouldPullImage returns whether we should pull an image according to
// the presence and pull policy of the image.
func shouldPullImage(container *v1.Container, imagePresent bool) bool {
	if container.ImagePullPolicy == v1.PullNever {
		return false
	}

	if err := preflight.RunInitNodeChecks(utilsexec.New(), data.Cfg(), data.IgnorePreflightErrors(), false, false); err != nil {
		return err
	}

	if data.DryRun() {
		fmt.Println("[preflight] Would pull the required images (like 'kubeadm config images pull')")
		return nil
	}

	fmt.Println("[preflight] Pulling images required for setting up a Kubernetes cluster")

    Check the docs about <a href="https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/about-pull-request-reviews" class="external-link" target="_blank">adding a pull request review</a> to approve it or request changes.

			fmt.Println("[preflight] You can also perform this action beforehand using 'kubeadm config images pull'")
			if err := preflight.RunPullImagesCheck(utilsexec.New(), initConfig, data.IgnorePreflightErrors()); err != nil {
				return err
			}
		} else {
			fmt.Println("[preflight] Would pull the required images (like 'kubeadm config images pull')")
		}
	} else {
		fmt.Println("[preflight] Skipping prepull. Not a control plane node.")

		var stop func()
		if !goexits(t, func() {
			next, stop = Pull(goexitSeq())
			next()
		}) {
			t.Fatal("failed to Goexit from next")
		}
		if x, ok := next(); x != 0 || ok {
			t.Fatal("iterator returned valid value after iterator Goexited")
		}
		stop()
	})
	t.Run("stop", func(t *testing.T) {
		next, stop := Pull(goexitCleanupSeq())
		x, ok := next()
		if !ok || x != 55 {

## Community Contribution License
All community contributions in this pull request are licensed to the project maintainers
under the terms of the [Apache 2 license](https://www.apache.org/licenses/LICENSE-2.0). 
By creating this pull request I represent that I have the right to license the 
contributions to the project maintainers under the Apache 2 license.

## Description


## Motivation and Context


## How to test this PR?

      uses: actions/checkout@v2
      with:
        # We must fetch at least the immediate parents so that if this is
        # a pull request then we can checkout the head.
        fetch-depth: 2

    # If this run was triggered by a pull request event, then checkout
    # the head of the pull request instead of the merge commit.
    - run: git checkout HEAD^2
      if: ${{ github.event_name == 'pull_request' }}