import "k8s.io/kubernetes/test/e2e/framework/service"
affinity_checker.go const.go fixture.go hostname.go jig.go resource.go util.go wait.go
const (
// RespondingTimeout is how long to wait for a service to be responding.
RespondingTimeout = 2 * time.Minute
// MaxNodesForEndpointsTests is the max number for testing endpoints.
// Don't test with more than 3 nodes.
// Many tests create an endpoint per node, in large clusters, this is
// resource and time intensive.
MaxNodesForEndpointsTests = 3
)const (
// KubeProxyLagTimeout is the maximum time a kube-proxy daemon on a node is allowed
// to not notice a Service update, such as type=NodePort.
// TODO: This timeout should be O(10s), observed values are O(1m), 5m is very
// liberal. Fix tracked in #20567.
KubeProxyLagTimeout = 5 * time.Minute
// KubeProxyEndpointLagTimeout is the maximum time a kube-proxy daemon on a node is allowed
// to not notice an Endpoint update.
KubeProxyEndpointLagTimeout = 30 * time.Second
// LoadBalancerLagTimeoutDefault is the maximum time a load balancer is allowed to
// not respond after creation.
LoadBalancerLagTimeoutDefault = 2 * time.Minute
// LoadBalancerLagTimeoutAWS is the delay between ELB creation and serving traffic
// on AWS. A few minutes is typical, so use 10m.
LoadBalancerLagTimeoutAWS = 10 * time.Minute
// LoadBalancerCreateTimeoutDefault is the default time to wait for a load balancer to be created/modified.
// TODO: once support ticket 21807001 is resolved, reduce this timeout back to something reasonable
LoadBalancerCreateTimeoutDefault = 20 * time.Minute
// LoadBalancerCreateTimeoutLarge is the maximum time to wait for a load balancer to be created/modified.
LoadBalancerCreateTimeoutLarge = 2 * time.Hour
// LoadBalancerPropagationTimeoutDefault is the default time to wait for pods to
// be targeted by load balancers.
LoadBalancerPropagationTimeoutDefault = 10 * time.Minute
// LoadBalancerCleanupTimeout is the time required by the loadbalancer to cleanup, proportional to numApps/Ing.
// Bring the cleanup timeout back down to 5m once b/33588344 is resolved.
LoadBalancerCleanupTimeout = 15 * time.Minute
// LoadBalancerPollTimeout is the time required by the loadbalancer to poll.
// On average it takes ~6 minutes for a single backend to come online in GCE.
LoadBalancerPollTimeout = 15 * time.Minute
// LoadBalancerPollInterval is the interval value in which the loadbalancer polls.
LoadBalancerPollInterval = 30 * time.Second
// LargeClusterMinNodesNumber is the number of nodes which a large cluster consists of.
LargeClusterMinNodesNumber = 100
// TestTimeout is used for most polling/waiting activities
TestTimeout = 60 * time.Second
// AffinityTimeout is the maximum time that CheckAffinity is allowed to take; this
// needs to be more than long enough for AffinityConfirmCount HTTP requests to
// complete in a busy CI cluster, but shouldn't be too long since we will end up
// waiting the entire time in the tests where affinity is not expected.
AffinityTimeout = 2 * time.Minute
// AffinityConfirmCount is the number of needed continuous requests to confirm that
// affinity is enabled.
AffinityConfirmCount = 15
// ServiceEndpointsTimeout is the maximum time in which endpoints for the service should be created.
ServiceEndpointsTimeout = 2 * time.Minute
// ServiceReachabilityShortPollTimeout is the maximum time in which service must be reachable during polling.
ServiceReachabilityShortPollTimeout = 2 * time.Minute
)NodePortRange should match whatever the default/configured range is
CheckAffinity function tests whether the service affinity works as expected. If affinity is expected, the test will return true once affinityConfirmCount number of same response observed in a row. If affinity is not expected, the test will keep observe until different responses observed. The function will return false only in case of unexpected errors.
CleanupServiceResources cleans up service Type=LoadBalancer resources.
func CreateServiceSpec(serviceName, externalName string, isHeadless bool, selector map[string]string) *v1.Service
CreateServiceSpec returns a Service object for testing.
DescribeSvc logs the output of kubectl describe svc for the given namespace
EnableAndDisableInternalLB returns two functions for enabling and disabling the internal load balancer setting for the supported cloud providers (currently GCE/GKE and Azure) and empty functions for others.
GetHTTPContent returns the content of the given url by HTTP.
func GetIngressPoint(ing *v1.LoadBalancerIngress) string
GetIngressPoint returns a host on which ingress serves.
GetServiceLoadBalancerCreationTimeout returns a timeout value for creating a load balancer of a service.
func GetServicesProxyRequest(c clientset.Interface, request *restclient.Request) (*restclient.Request, error)
GetServicesProxyRequest returns a request for a service proxy.
func StartServeHostnameService(c clientset.Interface, svc *v1.Service, ns string, replicas int) ([]string, string, error)
StartServeHostnameService creates a replication controller that serves its hostname and a service on top of it.
StopServeHostnameService stops the given service.
func TestHTTPHealthCheckNodePort(host string, port int, request string, timeout time.Duration, expectSucceed bool, threshold int) error
TestHTTPHealthCheckNodePort tests a HTTP connection by the given request to the given host and port.
TestNotReachableHTTP tests that a HTTP request doesn't connect to the given host and port.
TestNotReachableUDP tests that the given host doesn't serve UDP on the given port.
TestReachableHTTP tests that the given host serves HTTP on the given port.
func TestReachableHTTPWithRetriableErrorCodes(host string, port int, retriableErrCodes []int, timeout time.Duration)
TestReachableHTTPWithRetriableErrorCodes tests that the given host serves HTTP on the given port with the given retriableErrCodes.
TestReachableUDP tests that the given host serves UDP on the given port.
TestRejectedHTTP tests that the given host rejects a HTTP request on the given port.
TestRejectedUDP tests that the given host rejects a UDP request on the given port.
func UpdateService(c clientset.Interface, namespace, serviceName string, update func(*v1.Service)) (*v1.Service, error)
UpdateService fetches a service, calls the update function on it, and then attempts to send the updated service. It retries up to 2 times in the face of timeouts and conflicts.
func VerifyServeHostnameServiceDown(c clientset.Interface, host string, serviceIP string, servicePort int) error
VerifyServeHostnameServiceDown verifies that the given service isn't served.
func VerifyServeHostnameServiceUp(c clientset.Interface, ns, host string, expectedPods []string, serviceIP string, servicePort int) error
VerifyServeHostnameServiceUp wgets the given serviceIP:servicePort from the given host and from within a pod. The host is expected to be an SSH-able node in the cluster. Each pod in the service is expected to echo its name. These names are compared with the given expectedPods list after a sort | uniq.
WaitForServiceDeletedWithFinalizer waits for the service with finalizer to be deleted.
WaitForServiceResponding waits for the service to be responding.
func WaitForServiceUpdatedWithFinalizer(cs clientset.Interface, namespace, name string, hasFinalizer bool)
WaitForServiceUpdatedWithFinalizer waits for the service to be updated to have or don't have a finalizer.
type TestFixture struct {
ServiceName string
Namespace string
Client clientset.Interface
TestID string
Labels map[string]string
Name string
Image string
// contains filtered or unexported fields
}TestFixture is a simple helper class to avoid too much boilerplate in tests
NewServerTest creates a new TestFixture for the tests.
func (t *TestFixture) BuildServiceSpec() *v1.Service
BuildServiceSpec builds default config for a service (which can then be changed)
func (t *TestFixture) Cleanup() []error
Cleanup cleans all ReplicationControllers and Services which this object holds.
func (t *TestFixture) CreateRC(rc *v1.ReplicationController) (*v1.ReplicationController, error)
CreateRC creates a replication controller and records it for cleanup.
CreateService creates a service, and record it for cleanup
func (t *TestFixture) DeleteService(serviceName string) error
DeleteService deletes a service, and remove it from the cleanup list
type TestJig struct {
Client clientset.Interface
Namespace string
Name string
ID string
Labels map[string]string
}TestJig is a test jig to help service testing.
NewTestJig allocates and inits a new TestJig.
func (j *TestJig) AddRCAntiAffinity(rc *v1.ReplicationController)
AddRCAntiAffinity adds AntiAffinity to the given ReplicationController.
ChangeServiceNodePort changes node ports of the given service.
ChangeServiceType updates the given service's ServiceType to the given newType.
CheckServiceReachability ensures that request are served by the services. Only supports Services with type ClusterIP, NodePort and ExternalName.
CreateExternalNameService creates a new ExternalName type Service based on the j's defaults. Callers can provide a function to tweak the Service object before it is created.
func (j *TestJig) CreateLoadBalancerService(timeout time.Duration, tweak func(svc *v1.Service)) (*v1.Service, error)
CreateLoadBalancerService creates a loadbalancer service and waits for it to acquire an ingress IP.
func (j *TestJig) CreateOnlyLocalLoadBalancerService(timeout time.Duration, createPod bool, tweak func(svc *v1.Service)) (*v1.Service, error)
CreateOnlyLocalLoadBalancerService creates a loadbalancer service with ExternalTrafficPolicy set to Local and waits for it to acquire an ingress IP. If createPod is true, it also creates an RC with 1 replica of the standard netexec container used everywhere in this test.
CreateOnlyLocalNodePortService creates a NodePort service with ExternalTrafficPolicy set to Local and sanity checks its nodePort. If createPod is true, it also creates an RC with 1 replica of the standard netexec container used everywhere in this test.
func (j *TestJig) CreatePDB(rc *v1.ReplicationController) (*policyv1beta1.PodDisruptionBudget, error)
CreatePDB returns a PodDisruptionBudget for the given ReplicationController, or returns an error if a PodDisruptionBudget isn't ready
CreateServicePods creates a replication controller with the label same as service. Service listens to HTTP.
CreateTCPService creates a new TCP Service based on the j's defaults. Callers can provide a function to tweak the Service object before it is created.
func (j *TestJig) CreateTCPServiceWithPort(tweak func(svc *v1.Service), port int32) (*v1.Service, error)
CreateTCPServiceWithPort creates a new TCP Service with given port based on the j's defaults. Callers can provide a function to tweak the Service object before it is created.
CreateTCPUDPServicePods creates a replication controller with the label same as service. Service listens to TCP and UDP.
CreateUDPService creates a new UDP Service based on the j's defaults. Callers can provide a function to tweak the Service object before it is created.
GetEndpointNodeNames returns a string set of node names on which the endpoints of the given Service are running.
GetEndpointNodes returns a map of nodenames:external-ip on which the endpoints of the Service are running.
func (j *TestJig) Run(tweak func(rc *v1.ReplicationController)) (*v1.ReplicationController, error)
Run creates a ReplicationController and Pod(s) and waits for the Pod(s) to be running. Callers can provide a function to tweak the RC object before it is created.
Scale scales pods to the given replicas
UpdateService fetches a service, calls the update function on it, and then attempts to send the updated service. It tries up to 3 times in the face of timeouts and conflicts.
WaitForAvailableEndpoint waits for at least 1 endpoint to be available till timeout
WaitForEndpointOnNode waits for a service endpoint on the given node.
WaitForLoadBalancer waits the given service to have a LoadBalancer, or returns an error after the given timeout
func (j *TestJig) WaitForLoadBalancerDestroy(ip string, port int, timeout time.Duration) (*v1.Service, error)
WaitForLoadBalancerDestroy waits the given service to destroy a LoadBalancer, or returns an error after the given timeout
func (j *TestJig) WaitForNewIngressIP(existingIP string, timeout time.Duration) (*v1.Service, error)
WaitForNewIngressIP waits for the given service to get a new ingress IP, or returns an error after the given timeout
UDPPokeParams is a struct for UDP poke parameters.
type UDPPokeResult struct {
Status UDPPokeStatus
Error error // if there was any error
Response []byte // if code != 0
}UDPPokeResult is a struct for UDP poke result.
UDPPokeStatus is string for representing UDP poke status.
const (
// UDPSuccess is UDP poke status which is success.
UDPSuccess UDPPokeStatus = "Success"
// UDPError is UDP poke status which is error.
UDPError UDPPokeStatus = "UnknownError"
// UDPTimeout is UDP poke status which is timeout.
UDPTimeout UDPPokeStatus = "TimedOut"
// UDPRefused is UDP poke status which is connection refused.
UDPRefused UDPPokeStatus = "ConnectionRefused"
// UDPBadResponse is UDP poke status which is bad response.
UDPBadResponse UDPPokeStatus = "BadResponse"
)Package service imports 37 packages (graph) and is imported by 177 packages. Updated 2019-11-04. Refresh now. Tools for package owners.