framework

package
v0.19.5 Latest Latest
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 Go to latest Published: Mar 25, 2024 License: Apache-2.0 Imports: 36 Imported by: 0

Documentation

Index

Constants

View Source 
const (
	PollTimeout              = time.Minute
	DefaultVclusterName      = "vcluster"
	DefaultVclusterNamespace = "vcluster"
	DefaultClientTimeout     = 32 * time.Second // the default in client-go is 32
)
View Source 
const BetaIsDefaultStorageClassAnnotation = "storageclass.beta.kubernetes.io/is-default-class"

BetaIsDefaultStorageClassAnnotation is the beta version of IsDefaultStorageClassAnnotation. TODO: remove Beta when no longer used

View Source 
const IsDefaultStorageClassAnnotation = "storageclass.kubernetes.io/is-default-class"

IsDefaultStorageClassAnnotation represents a StorageClass annotation that marks a class as the default StorageClass

Variables

View Source 
var DefaultFramework = &Framework{}

Functions

func CreateFramework 

func CreateFramework(ctx context.Context, scheme *runtime.Scheme) error

func ExpectConsistOf 

func ExpectConsistOf(actual interface{}, extra interface{}, explain ...interface{})

ExpectConsistOf expects actual contains precisely the extra elements. The ordering of the elements does not matter.

func ExpectEmpty 

func ExpectEmpty(actual interface{}, explain ...interface{})

ExpectEmpty expects actual is empty

func ExpectEqual 

func ExpectEqual(actual interface{}, extra interface{}, explain ...interface{})

ExpectEqual expects the specified two are the same, otherwise an exception raises

func ExpectError 

func ExpectError(err error, explain ...interface{})

ExpectError expects an error happens, otherwise an exception raises

func ExpectHaveKey 

func ExpectHaveKey(actual interface{}, key interface{}, explain ...interface{})

ExpectHaveKey expects the actual map has the key in the keyset

func ExpectMatchRegexp 

func ExpectMatchRegexp(actual string, regexp string, explain ...interface{})

ExpectMatchRegexp expects the string to match the provided regular expression

func ExpectNoError 

func ExpectNoError(err error, explain ...interface{})

ExpectNoError checks if "err" is set, and if so, fails assertion while logging the error.

func ExpectNoErrorWithOffset 

func ExpectNoErrorWithOffset(offset int, err error, explain ...interface{})

ExpectNoErrorWithOffset checks if "err" is set, and if so, fails assertion while logging the error at "offset" levels above its caller (for example, for call chain f -> g -> ExpectNoErrorWithOffset(1, ...) error would be logged for "f").

func ExpectNotEmpty added in v0.13.0 

func ExpectNotEmpty(actual interface{}, explain ...interface{})

func ExpectNotEqual 

func ExpectNotEqual(actual interface{}, extra interface{}, explain ...interface{})

ExpectNotEqual expects the specified two are not the same, otherwise an exception raises

func Failf 

func Failf(format string, args ...interface{})

ExpectMatchRegexp expects the string to match the provided regular expression

func IsDefaultAnnotation added in v0.18.0 

func IsDefaultAnnotation(obj metav1.ObjectMeta) bool

IsDefaultAnnotation returns a boolean if the annotation is set TODO: remove Beta when no longer needed

func RunKubectl 

func RunKubectl(kubeconfigPath, namespace string, args ...string) (string, error)

RunKubectl is a convenience wrapper over kubectlBuilder

func RunKubectlInput 

func RunKubectlInput(kubeconfigPath, namespace string, data string, args ...string) (string, error)

RunKubectlInput is a convenience wrapper over kubectlBuilder that takes input to stdin

func RunKubectlOrDie 

func RunKubectlOrDie(kubeconfigPath, namespace string, args ...string) string

RunKubectlOrDie is a convenience wrapper over kubectlBuilder

func RunKubectlOrDieInput 

func RunKubectlOrDieInput(kubeconfigPath, namespace string, data string, args ...string) string

RunKubectlOrDieInput is a convenience wrapper over kubectlBuilder that takes input to stdin

func RunKubectlWithFullOutput 

func RunKubectlWithFullOutput(kubeconfigPath, namespace string, args ...string) (string, string, error)

RunKubectlWithFullOutput is a convenience wrapper over kubectlBuilder It will also return the command's stderr.

Types

type Framework 

type Framework struct {
	// The context to use for testing
	Context context.Context

	// VclusterName is the name of the vcluster instance which we are testing
	VclusterName string

	// VclusterNamespace is the namespace in host cluster of the current
	// vcluster instance which we are testing
	VclusterNamespace string

	// The suffix to append to the synced resources in the host namespace
	Suffix string

	// HostConfig is the kubernetes rest config of the
	// host kubernetes cluster were we are testing in
	HostConfig *rest.Config

	// HostClient is the kubernetes client of the current
	// host kubernetes cluster were we are testing in
	HostClient *kubernetes.Clientset

	// HostCRClient is the controller runtime client of the current
	// host kubernetes cluster were we are testing in
	HostCRClient client.Client

	// VclusterConfig is the kubernetes rest config of the current
	// vcluster instance which we are testing
	VclusterConfig *rest.Config

	// VclusterClient is the kubernetes client of the current
	// vcluster instance which we are testing
	VclusterClient *kubernetes.Clientset

	// VclusterCRClient is the controller runtime client of the current
	// vcluster instance which we are testing
	VclusterCRClient client.Client

	// VclusterKubeconfigFile is a file containing kube config
	// of the current vcluster instance which we are testing.
	// This file shall be deleted in the end of the test suite execution.
	VclusterKubeconfigFile *os.File

	// Scheme is the global scheme to use
	Scheme *runtime.Scheme

	// Log is the logger that should be used
	Log log.Logger

	// ClientTimeout value used in the clients
	ClientTimeout time.Duration

	// MultiNamespaceMode denotes whether the multi namespace mode is enabled for the virtualcluster
	MultiNamespaceMode bool
}

func (*Framework) Cleanup 

func (f *Framework) Cleanup() error

func (*Framework) CreateCurlPod 

func (f *Framework) CreateCurlPod(ns string) (*corev1.Pod, error)

func (*Framework) CreateEgressNetworkPolicyForDNS 

func (f *Framework) CreateEgressNetworkPolicyForDNS(ctx context.Context, ns string) (*networkingv1.NetworkPolicy, error)

func (*Framework) CreateNginxPodAndService 

func (f *Framework) CreateNginxPodAndService(ns string) (*corev1.Pod, *corev1.Service, error)

func (*Framework) DeleteTestNamespace 

func (f *Framework) DeleteTestNamespace(ns string, waitUntilDeleted bool) error

func (*Framework) GetDefaultSecurityContext 

func (f *Framework) GetDefaultSecurityContext() *corev1.SecurityContext

func (*Framework) TestServiceIsEventuallyReachable 

func (f *Framework) TestServiceIsEventuallyReachable(curlPod *corev1.Pod, service *corev1.Service)

func (*Framework) TestServiceIsEventuallyUnreachable 

func (f *Framework) TestServiceIsEventuallyUnreachable(curlPod *corev1.Pod, service *corev1.Service)

func (*Framework) WaitForInitManifestConfigMapCreation 

func (f *Framework) WaitForInitManifestConfigMapCreation(configMapName, ns string) error

func (*Framework) WaitForPersistentVolumeClaimBound 

func (f *Framework) WaitForPersistentVolumeClaimBound(pvcName, ns string) error

func (*Framework) WaitForPodRunning 

func (f *Framework) WaitForPodRunning(podName string, ns string) error

func (*Framework) WaitForPodToComeUpWithEphemeralContainers 

func (f *Framework) WaitForPodToComeUpWithEphemeralContainers(podName string, ns string) error

func (*Framework) WaitForPodToComeUpWithReadinessConditions 

func (f *Framework) WaitForPodToComeUpWithReadinessConditions(podName string, ns string) error

func (*Framework) WaitForService 

func (f *Framework) WaitForService(serviceName string, ns string) error

func (*Framework) WaitForServiceAccount 

func (f *Framework) WaitForServiceAccount(saName string, ns string) error

func (*Framework) WaitForServiceInSyncerCache 

func (f *Framework) WaitForServiceInSyncerCache(serviceName string, ns string) error

Some vcluster operations list Service, e.g. pod translation. To ensure expected results of such operation we need to wait until newly created Service is in syncer controller cache, otherwise syncer will operate on slightly outdated resources, which is not good for test stability. This function ensures that Service is actually in controller cache by making an update and checking for it in physical service.

type KubectlBuilder 

type KubectlBuilder struct {
	// contains filtered or unexported fields
}

Adopted from k8s test suite - https://github.com/kubernetes/kubernetes/blob/f2576efecdf2d902b12a3fedae7995311d4febfa/test/e2e/framework/util.go#L552-L687 KubectlBuilder is used to build, customize and execute a kubectl Command. Add more functions to customize the builder as needed.

func NewKubectlCommand 

func NewKubectlCommand(kubeconfigPath, namespace string, args ...string) *KubectlBuilder

NewKubectlCommand returns a KubectlBuilder for running kubectl.

func (KubectlBuilder) Exec 

func (b KubectlBuilder) Exec() (string, error)

Exec runs the kubectl executable.

func (KubectlBuilder) ExecOrDie 

func (b KubectlBuilder) ExecOrDie(namespace string) string

ExecOrDie runs the kubectl executable or dies if error occurs.

func (KubectlBuilder) ExecWithFullOutput 

func (b KubectlBuilder) ExecWithFullOutput() (string, string, error)

ExecWithFullOutput runs the kubectl executable, and returns the stdout and stderr.

func (*KubectlBuilder) WithEnv 

func (b *KubectlBuilder) WithEnv(env []string) *KubectlBuilder

WithEnv sets the given environment and returns itself.

func (KubectlBuilder) WithStdinData 

func (b KubectlBuilder) WithStdinData(data string) *KubectlBuilder

WithStdinData sets the given data to stdin and returns itself.

func (KubectlBuilder) WithStdinReader 

func (b KubectlBuilder) WithStdinReader(reader io.Reader) *KubectlBuilder

WithStdinReader sets the given reader and returns itself.

func (*KubectlBuilder) WithTimeout 

func (b *KubectlBuilder) WithTimeout(t <-chan time.Time) *KubectlBuilder

WithTimeout sets the given timeout and returns itself.

type TestKubeconfig 

type TestKubeconfig struct {
	CertDir     string
	Host        string
	KubeConfig  string
	KubeContext string
	KubectlPath string
	Namespace   string // Every test has at least one namespace unless creation is skipped
}

Adopted from k8s test suite - https://github.com/kubernetes/kubernetes/blob/f2576efecdf2d902b12a3fedae7995311d4febfa/test/e2e/framework/kubectl/kubectl_utils.go#L43-L100 TestKubeconfig is a struct containing the needed attributes from TestContext and Framework(Namespace).

func NewTestKubeconfig 

func NewTestKubeconfig(kubeconfig, namespace string) *TestKubeconfig

NewTestKubeconfig returns a new Kubeconfig struct instance.

func (*TestKubeconfig) KubectlCmd 

func (tk *TestKubeconfig) KubectlCmd(args ...string) *exec.Cmd

KubectlCmd runs the kubectl executable through the wrapper script.

Source Files

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