envtest

type CRDInstallOptions struct {
	// Paths is a list of paths to the directories or files containing CRDs
	Paths []string

	// CRDs is a list of CRDs to install
	CRDs []runtime.Object

	// ErrorIfPathMissing will cause an error if a Path does not exist
	ErrorIfPathMissing bool

	// MaxTime is the max time to wait
	MaxTime time.Duration

	// PollInterval is the interval to check
	PollInterval time.Duration

	// CleanUpAfterUse will cause the CRDs listed for installation to be
	// uninstalled when terminating the test environment.
	// Defaults to false.
	CleanUpAfterUse bool
}

type Environment struct {
	// ControlPlane is the ControlPlane including the apiserver and etcd
	ControlPlane integration.ControlPlane

	// Config can be used to talk to the apiserver.  It's automatically
	// populated if not set using the standard controller-runtime config
	// loading.
	Config *rest.Config

	// CRDInstallOptions are the options for installing CRDs.
	CRDInstallOptions CRDInstallOptions

	// ErrorIfCRDPathMissing provides an interface for the underlying
	// CRDInstallOptions.ErrorIfPathMissing. It prevents silent failures
	// for missing CRD paths.
	ErrorIfCRDPathMissing bool

	// CRDs is a list of CRDs to install.
	// If both this field and CRDs field in CRDInstallOptions are specified, the
	// values are merged.
	CRDs []runtime.Object

	// CRDDirectoryPaths is a list of paths containing CRD yaml or json configs.
	// If both this field and Paths field in CRDInstallOptions are specified, the
	// values are merged.
	CRDDirectoryPaths []string

	// UseExisting indicates that this environments should use an
	// existing kubeconfig, instead of trying to stand up a new control plane.
	// This is useful in cases that need aggregated API servers and the like.
	UseExistingCluster *bool

	// ControlPlaneStartTimeout is the maximum duration each controlplane component
	// may take to start. It defaults to the KUBEBUILDER_CONTROLPLANE_START_TIMEOUT
	// environment variable or 20 seconds if unspecified
	ControlPlaneStartTimeout time.Duration

	// ControlPlaneStopTimeout is the maximum duration each controlplane component
	// may take to stop. It defaults to the KUBEBUILDER_CONTROLPLANE_STOP_TIMEOUT
	// environment variable or 20 seconds if unspecified
	ControlPlaneStopTimeout time.Duration

	// KubeAPIServerFlags is the set of flags passed while starting the api server.
	KubeAPIServerFlags []string

	// AttachControlPlaneOutput indicates if control plane output will be attached to os.Stdout and os.Stderr.
	// Enable this to get more visibility of the testing control plane.
	// It respect KUBEBUILDER_ATTACH_CONTROL_PLANE_OUTPUT environment variable.
	AttachControlPlaneOutput bool
}