dhui / dktest

67%

master: 59%

Pull #42

github

feat: pass registry auth option to `imagePull` func

This will allow to pull images from authed docker registries. An example for
Google Cloud Artifact Registry:

```go
func Example_artifact_registry_auth() {
	dockerImageName := "us-docker.pkg.dev/GOOGLE_CLOUD_PROJECT/REGISTRY/image:latest"

	ctx := context.Background()

	// using github.com/google/go-containerregistry/pkg/v1/google
	authenticator, err := google.NewEnvAuthenticator(ctx)
	if err != nil {
		panic(err)
	}

	authConfig, err := authenticator.Authorization()
	if err != nil {
		panic(err)
	}

	authConfigJSON, err := authConfig.MarshalJSON()
	if err != nil {
		panic(err)
	}

	pullRegistryAuth := base64.StdEncoding.EncodeToString(authConfigJSON)

	opts := dktest.Options{
		PortRequired:     true,
		ReadyFunc:        func(ctx context.Context, c dktest.ContainerInfo) bool { return true },
		LogStderr:        true,
		LogStdout:        true,
		PullRegistryAuth: pullRegistryAuth,
	}

	dktest.Run(&testing.T{}, dockerImageName, opts, func(t *testing.T, c dktest.ContainerInfo) {})

	// Output:
}
```

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