framework

package
v0.1.2 Latest Latest
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 Go to latest Published: Apr 15, 2020 License: Apache-2.0 Imports: 49 Imported by: 15

Documentation

Overview

Provides builders and helper methods for preparing Pods and nested Containers

Index

Constants

View Source 
const (
	NamespaceCleanupTimeout = 2 * time.Minute
)
View Source 
const (
	// Poll is how often to Poll pods
	Poll = 2 * time.Second
)

Variables

View Source 
var (
	RetryInterval        = time.Second * 5
	Timeout              = time.Second * 600
	CleanupRetryInterval = time.Second * 1
	CleanupTimeout       = time.Second * 5
)
View Source 
var (
	RunID = uuid.NewUUID()
)

Functions

func AfterReadingAllFlags 

func AfterReadingAllFlags(t *TestContextType)

AfterReadingAllFlags makes changes to the context after all flags have been read.

func ContainsAll 

func ContainsAll(model, target []interface{}) bool

ContainsAll can be used to compare two sorted slices and validate both are not nil and all elements from given model are present on the target instance.

func DeleteNamespaces 

func DeleteNamespaces(c clientset.Interface, deleteFilter, skipFilter []string) ([]string, error)

DeleteNamespaces deletes all namespaces that match the given delete and skip filters. Filter is by simple strings.Contains; first skip filter, then delete filter. Returns the list of deleted namespaces or an error.

func Execute added in v0.1.2 

func Execute(ctx1 *ContextData, command string, arguments string, podname string) (string, string, error)

func ExpectError 

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

ExpectError expects an error happens, otherwise an exception raises

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 ExpectNoErrorWithRetries 

func ExpectNoErrorWithRetries(fn func() error, maxRetries int, explain ...interface{})

ExpectNoErrorWithRetries checks if an error occurs with the given retry count.

func FromInts 

func FromInts(m []int) []interface{}

FromInts returns an interface array with sorted elements from int array

func FromStrings 

func FromStrings(m []string) []interface{}

FromStrings returns an interface array with sorted elements from string array

func GetPorts 

func GetPorts(service corev1.Service) []int

GetPorts returns an int slice with all ports exposed by the provided corev1.Service object

func HandleFlags 

func HandleFlags()

HandleFlags sets up all flags and parses the command line.

func Int32Ptr 

func Int32Ptr(i int32) *int32

func IsRetryFailure 

func IsRetryFailure(err error) bool

func KubectlCmd 

func KubectlCmd(ctxData ContextData, args ...string) *exec.Cmd

KubectlCmd runs the kubectl executable through the wrapper script.

func LoadClientset 

func LoadClientset() (*clientset.Clientset, error)

LoadClientset returns clientset for connecting to kubernetes clusters.

func LoadConfig 

func LoadConfig() (*restclient.Config, error)

LoadConfig returns a config for a rest client.

func LoadYamlFromUrl added in v0.1.2 

func LoadYamlFromUrl(url string) (*unstructured.Unstructured, error)

func LookForRegexp 

func LookForRegexp(expectedRegexp string, timeout time.Duration, fn func() string) (result string, err error)

LookForRegexp looks for the given regexp in results from given "func() string"

func LookForRegexpInLog 

func LookForRegexpInLog(ctxData ContextData, podName, container, expectedRegexp string, timeout time.Duration) (result string, err error)

LookForRegexpInLog looks for the given regexp in the log of a specific pod container

func LookForString 

func LookForString(expectedString string, timeout time.Duration, fn func() string) (result string, err error)

LookForString looks for the given string in the output of fn, repeatedly calling fn until the timeout is reached or the string is found. Returns last log and possibly error if the string was not found. TODO(alejandrox1): move to pod/ subpkg once kubectl methods are refactored.

func LookForStringInLog 

func LookForStringInLog(ctxData ContextData, podName, container, expectedString string, timeout time.Duration) (result string, err error)

LookForStringInLog looks for the given string in the log of a specific pod container

func RegisterFlags 

func RegisterFlags()

RegisterFlags registers flags for e2e test suites.

func RemoveCleanupAction 

func RemoveCleanupAction(action ActionType, p CleanupActionHandle)

RemoveCleanupAction removes a function that was installed by AddCleanupAction.

func RestclientConfig 

func RestclientConfig(kubeContext string) (*clientcmdapi.Config, error)

RestclientConfig returns a config holds the information needed to build connection to kubernetes clusters.

func Retry 

func Retry(interval time.Duration, maxRetries int, f ConditionFunc) error

Retry retries f every interval until after maxRetries. The interval won't be affected by how long f takes. For example, if interval is 3s, f takes 1s, another f will be called 2s later. However, if f takes longer than interval, it will be delayed.

func RetryWithContext 

func RetryWithContext(ctx context.Context, interval time.Duration, f ConditionFunc) error

RetryWithContext retries f every interval until the specified context times out.

func RunCleanupActions 

func RunCleanupActions(action ActionType)

RunCleanupActions runs all functions installed by AddCleanupAction. It does not remove them (see RemoveCleanupAction) but it does run unlocked, so they may remove themselves.

func RunKubectl 

func RunKubectl(ctxData ContextData, args ...string) (string, error)

RunKubectl is a convenience wrapper over kubectlBuilder

func RunKubectlOrDie 

func RunKubectlOrDie(ctxData ContextData, args ...string) string

RunKubectlOrDie is a convenience wrapper over kubectlBuilder

func WaitForDaemonSet 

func WaitForDaemonSet(kubeclient kubernetes.Interface, namespace, name string, count int, retryInterval, timeout time.Duration) error

func WaitForDeletion 

func WaitForDeletion(dynclient client.Client, obj runtime.Object, retryInterval, timeout time.Duration) error

func WaitForDeployment 

func WaitForDeployment(kubeclient kubernetes.Interface, namespace, name string, replicas int, retryInterval, timeout time.Duration) error

func WaitForDeploymentDeleted 

func WaitForDeploymentDeleted(ctx context.Context, kubeclient kubernetes.Interface, namespace, name string) error

func WaitForNamespacesDeleted 

func WaitForNamespacesDeleted(c clientset.Interface, namespaces []string, timeout time.Duration) error

WaitForNamespacesDeleted waits for the namespaces to be deleted.

func WaitForStatefulSet 

func WaitForStatefulSet(kubeclient kubernetes.Interface, namespace, name string, count int, retryInterval, timeout time.Duration) error

Types

type ActionType 

type ActionType int

Action type to be enqueued 

const (
	AfterEach ActionType = iota
	AfterSuite
)

type Builder 

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

Framework Builder type

func NewFrameworkBuilder 

func NewFrameworkBuilder(baseName string) Builder

Helper for building frameworks with possible customizations

func (Builder) Build 

func (b Builder) Build() *Framework

Generates and initialize the Framework

func (Builder) WithBuilders 

func (b Builder) WithBuilders(builders ...operators.OperatorSetupBuilder) Builder

Customize builders, by default when "BeforeEach" runs, the Framework iterates through all supported operators (from SupportedOperators map) and initializes all the default builder instances.

func (Builder) WithContexts 

func (b Builder) WithContexts(contexts ...string) Builder

Customize contexts to use (default is the current-context only)

type CleanupActionHandle 

type CleanupActionHandle *int

CleanupActionHandle is an integer pointer type for handling cleanup action

func AddCleanupAction 

func AddCleanupAction(action ActionType, fn func()) CleanupActionHandle

AddCleanupAction installs a function that will be called in the event of completion of a test Spec or a test Suite. This allows arbitrary pieces of the overall test to hook into AfterEach() and SynchronizedAfterSuite().

type ClientSet 

type ClientSet struct {
	KubeClient clientset.Interface
	ExtClient  apiextension.Interface
	DynClient  dynamic.Interface
	OcpClient  ocpClient
}

type ConditionFunc 

type ConditionFunc func() (bool, error)

type ConfigMapData 

type ConfigMapData struct {
	Name string
	Data string
}

ConfigMapData makes it simpler to provide multiple data elements for a new ConfigMap

type ContainerBuilder 

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

ContainerBuilder

func NewContainerBuilder 

func NewContainerBuilder(name string, image string) *ContainerBuilder

NewContainerBuilder creates an instance of a ContainerBuilder helper

func (*ContainerBuilder) AddArgs 

func (cb *ContainerBuilder) AddArgs(args ...string) *ContainerBuilder

AddArgs appends a given list of arguments to the existing

func (*ContainerBuilder) AddVolumeMountConfigMapData 

func (cb *ContainerBuilder) AddVolumeMountConfigMapData(volumeName string, mountPath string, readOnly bool) *ContainerBuilder

AddVolumeMountConfigMapData add a VolumeMount entry to the container that must be related with a valid Volume defined in the Pod Spec.

func (*ContainerBuilder) Build 

func (cb *ContainerBuilder) Build() v1.Container

Build returns the prepared Container to be used within a Pod

func (*ContainerBuilder) EnvVar 

func (cb *ContainerBuilder) EnvVar(variable, value string) *ContainerBuilder

EnvVar sets an environment variable into the container

func (*ContainerBuilder) ImagePullPolicy 

func (cb *ContainerBuilder) ImagePullPolicy(policy string) *ContainerBuilder

ImagePullPolicy sets the ImagePullPolicy for the given container. Default is PullAlways.

func (*ContainerBuilder) WithCommands 

func (cb *ContainerBuilder) WithCommands(commands ...string) *ContainerBuilder

WithCommands set the list of commands to use with the new container

type ContextData 

type ContextData struct {
	Id        string
	Clients   ClientSet
	Namespace string

	// Set together with creating the ClientSet and the namespace.
	// Guaranteed to be unique in the cluster even when running the same
	// test multiple times in parallel.
	UniqueName         string
	CertManagerPresent bool // if crd is detected
	OperatorMap        map[operators.OperatorType]operators.OperatorSetup

	EventHandler events.EventHandler
	// contains filtered or unexported fields
}

ContextData holds clients and data related with namespaces 

created within

func (*ContextData) AddNamespacesToDelete 

func (c *ContextData) AddNamespacesToDelete(namespaces ...*corev1.Namespace)

func (*ContextData) CreateConfigMapData 

func (c *ContextData) CreateConfigMapData(name string, data ...ConfigMapData) (*v1.ConfigMap, error)

CreateConfigMapData helper method to generate a ConfiMap using configuration Data

func (*ContextData) CreateNamespace 

func (c *ContextData) CreateNamespace(clientSet *clientset.Clientset,
	baseName string, labels map[string]string) *corev1.Namespace

CreateNamespace creates a namespace for e2e testing.

func (*ContextData) CreateResource added in v0.1.2 

func (c *ContextData) CreateResource(resourceType ResourceType, obj *unstructured.Unstructured, options v1.CreateOptions, subresources ...string) (*unstructured.Unstructured, error)

CreateResource creates a resource based on provided (known) resource type and unstructured data

func (*ContextData) CreateResourceGroupVersion added in v0.1.2 

func (c *ContextData) CreateResourceGroupVersion(gv schema.GroupVersionResource, obj *unstructured.Unstructured, options v1.CreateOptions, subresources ...string) (*unstructured.Unstructured, error)

func (*ContextData) DeleteNamespace 

func (c *ContextData) DeleteNamespace(ns *corev1.Namespace) []error

func (*ContextData) DeleteResource added in v0.1.2 

func (c *ContextData) DeleteResource(resourceType ResourceType, name string, options v1.DeleteOptions, subresources ...string) error

DeleteResource deletes a resource based on provided (known) resource type and name

func (*ContextData) DeleteResourceGroupVersion added in v0.1.2 

func (c *ContextData) DeleteResourceGroupVersion(gv schema.GroupVersionResource, name string, options v1.DeleteOptions, subresources ...string) error

func (*ContextData) GenerateNamespace 

func (c *ContextData) GenerateNamespace() (*corev1.Namespace, error)

GenerateNamespace creates a namespace with a random name.

func (*ContextData) GetDaemonSet 

func (c *ContextData) GetDaemonSet(name string) (*appsv1.DaemonSet, error)

func (*ContextData) GetDeployment 

func (c *ContextData) GetDeployment(name string) (*appsv1.Deployment, error)

func (*ContextData) GetLogs 

func (c *ContextData) GetLogs(podName string) (string, error)

returns whole pod log as a (meaty) string

func (*ContextData) GetResource 

func (c *ContextData) GetResource(resourceType ResourceType, name string) (*unstructured.Unstructured, error)

GetResource returns the given resource type, identified by its given name

func (*ContextData) GetResourceGroupVersion added in v0.1.2 

func (c *ContextData) GetResourceGroupVersion(gv schema.GroupVersionResource, name string) (*unstructured.Unstructured, error)

func (*ContextData) GetSecret 

func (c *ContextData) GetSecret(name string) (*corev1.Secret, error)

func (*ContextData) GetService 

func (c *ContextData) GetService(name string) (*corev1.Service, error)

func (*ContextData) IsOpenShift 

func (c *ContextData) IsOpenShift() bool

func (*ContextData) ListPodsForDeployment 

func (c *ContextData) ListPodsForDeployment(deployment *appsv1.Deployment) (*corev1.PodList, error)

func (*ContextData) ListPodsForDeploymentName 

func (c *ContextData) ListPodsForDeploymentName(name string) (*corev1.PodList, error)

func (*ContextData) ListResources 

func (c *ContextData) ListResources(resourceType ResourceType) (*unstructured.UnstructuredList, error)

ListResources returns a list of resources found in the related Framework's namespace, for the given resource type

func (*ContextData) ListResourcesGroupVersion added in v0.1.2 

func (c *ContextData) ListResourcesGroupVersion(gv schema.GroupVersionResource) (*unstructured.UnstructuredList, error)

func (*ContextData) WaitForPodStatus added in v0.1.2 

func (c *ContextData) WaitForPodStatus(podName string, status v1.PodPhase, timeout time.Duration, interval time.Duration) (*v1.Pod, error)

func (*ContextData) WaitForService added in v0.1.2 

func (c *ContextData) WaitForService(name string, timeout time.Duration, interval time.Duration) (*corev1.Service, error)

type Framework 

type Framework struct {
	BaseName string

	// Map that ties clients and namespaces for each available context
	ContextMap map[string]*ContextData

	SkipNamespaceCreation bool // Whether to skip creating a namespace
	// contains filtered or unexported fields
}

func (*Framework) AfterEach 

func (f *Framework) AfterEach()

AfterEach deletes the namespace, after reading its events.

func (*Framework) AfterSuite 

func (f *Framework) AfterSuite()

AfterSuite deletes the cluster level resources

func (*Framework) BeforeEach 

func (f *Framework) BeforeEach(contexts ...string)

BeforeEach gets clients and makes a namespace

func (*Framework) GetFirstContext 

func (f *Framework) GetFirstContext() *ContextData

GetFirstContext returns the first entry in the ContextMap or nil if none

func (*Framework) SetOperatorBuilders 

func (f *Framework) SetOperatorBuilders(builders ...operators.OperatorSetupBuilder)

Defines a custom set of builders for the given Framework instance

func (*Framework) Setup 

func (f *Framework) Setup() error

func (*Framework) TeardownEach 

func (f *Framework) TeardownEach() error

func (*Framework) TeardownSuite 

func (f *Framework) TeardownSuite() error

type KubectlBuilder 

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

KubectlBuilder is used to build, customize and execute a kubectl Command. Add more functions to customize the builder as needed.

func NewKubectlCommand 

func NewKubectlCommand(ctxData ContextData, args ...string) *KubectlBuilder

NewKubectlCommand returns a KubectlBuilder for running kubectl.

func NewKubectlCommandTimeout 

func NewKubectlCommandTimeout(ctxData ContextData, timeout time.Duration, args ...string) *KubectlBuilder

NewKubectlCommandTimeout returns a KubectlBuilder with a timeout defined, for running kubectl.

func NewKubectlExecCommand 

func NewKubectlExecCommand(ctxData ContextData, pod string, timeout time.Duration, commandArgs ...string) *KubectlBuilder

NewKubectlExecCommand returns a KubectlBuilder prepared to execute a given command in a running pod.

func (KubectlBuilder) Exec 

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

Exec runs the kubectl executable.

func (KubectlBuilder) ExecOrDie 

func (b KubectlBuilder) ExecOrDie() string

ExecOrDie runs the kubectl executable or dies if error occurs.

type PodBuilder 

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

PodBuilder

func NewPodBuilder 

func NewPodBuilder(name string, namespace string) *PodBuilder

NewPodBuilder Creates an instance of a PodBuilder helper

func (*PodBuilder) AddConfigMapVolumeSource 

func (p *PodBuilder) AddConfigMapVolumeSource(name string, configMapName string) *PodBuilder

AddConfigMapVolumeSource append a Volume with a local reference to a ConfigMap into the Pod Spec

func (*PodBuilder) AddContainer 

func (p *PodBuilder) AddContainer(c v1.Container) *PodBuilder

AddContainer adds a container to the Pod being prepared

func (*PodBuilder) AddLabel 

func (p *PodBuilder) AddLabel(key, value string) *PodBuilder

AddLabel Adds or replaces the given label key and value to Pod

func (*PodBuilder) Build 

func (p *PodBuilder) Build() *v1.Pod

Build returns the prepared Pod instance

func (*PodBuilder) RestartPolicy 

func (p *PodBuilder) RestartPolicy(policy string) *PodBuilder

RestartPolicy defines the RestartPolicy of the Pod. Default is Never.

type ResourceType 

type ResourceType int
const (
	Issuers ResourceType = iota
	Certificates
	Deployments
)

type RetryError 

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

func (*RetryError) Error 

func (e *RetryError) Error() string

type TestContextType 

type TestContextType struct {
	KubeConfig               string
	KubeContexts             contextNames
	CertDir                  string
	Host                     string
	RepoRoot                 string
	KubectlPath              string
	OutputDir                string
	ReportDir                string
	ReportPrefix             string
	Prefix                   string
	DeleteNamespace          bool
	DeleteNamespaceOnFailure bool
	CleanStart               bool
}

TestContextType contains test settings and global state. 

var TestContext TestContextType

TestContext should be used by all tests to access validation context data.

func (TestContextType) ContextsAvailable 

func (t TestContextType) ContextsAvailable() int

ContextsAvailable returns the number of contexts available after parsing command line arguments.

func (TestContextType) GetContexts 

func (t TestContextType) GetContexts() []string

GetContexts returns a list of contexts from provided flags or the current-context if none. If KubeConfig not provided or not generated, it returns nil.

Source Files

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Directories

Path Synopsis
Package ginkgowrapper wraps Ginkgo Fail and Skip functions to panic with structured data instead of a constant string.
 Package ginkgowrapper wraps Ginkgo Fail and Skip functions to panic with structured data instead of a constant string.

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