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Merge pull request #87943 from tanjunchen/move-funcs001

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test/e2e/framework:move functions to test/e2e/scheduling/
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Kubernetes Prow Robot 2020-02-11 23:15:34 -08:00 committed by GitHub
commit 8f07f3a156
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6 changed files with 137 additions and 142 deletions
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7
test/e2e/framework/events/BUILD
View File

@ -6,16 +6,9 @@ go_library(
importpath = "k8s.io/kubernetes/test/e2e/framework/events",
visibility = ["//visibility:public"],
deps = [
"//staging/src/k8s.io/api/core/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/fields:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/wait:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/watch:go_default_library",
"//staging/src/k8s.io/client-go/kubernetes:go_default_library",
"//staging/src/k8s.io/client-go/tools/cache:go_default_library",
"//test/e2e/framework:go_default_library",
"//vendor/github.com/onsi/ginkgo:go_default_library",
],
)

127
test/e2e/framework/events/events.go
View File

@ -20,140 +20,13 @@ import (
"context"
"fmt"
"strings"
"sync"
"time"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/apimachinery/pkg/watch"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/client-go/tools/cache"
"k8s.io/kubernetes/test/e2e/framework"
"github.com/onsi/ginkgo"
)
// Action is a function to be performed by the system.
type Action func() error
// ObserveNodeUpdateAfterAction returns true if a node update matching the predicate was emitted
// from the system after performing the supplied action.
func ObserveNodeUpdateAfterAction(c clientset.Interface, nodeName string, nodePredicate func(*v1.Node) bool, action Action) (bool, error) {
observedMatchingNode := false
nodeSelector := fields.OneTermEqualSelector("metadata.name", nodeName)
informerStartedChan := make(chan struct{})
var informerStartedGuard sync.Once
_, controller := cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {
options.FieldSelector = nodeSelector.String()
ls, err := c.CoreV1().Nodes().List(context.TODO(), options)
return ls, err
},
WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) {
// Signal parent goroutine that watching has begun.
defer informerStartedGuard.Do(func() { close(informerStartedChan) })
options.FieldSelector = nodeSelector.String()
w, err := c.CoreV1().Nodes().Watch(context.TODO(), options)
return w, err
},
},
&v1.Node{},
0,
cache.ResourceEventHandlerFuncs{
UpdateFunc: func(oldObj, newObj interface{}) {
n, ok := newObj.(*v1.Node)
framework.ExpectEqual(ok, true)
if nodePredicate(n) {
observedMatchingNode = true
}
},
},
)
// Start the informer and block this goroutine waiting for the started signal.
informerStopChan := make(chan struct{})
defer func() { close(informerStopChan) }()
go controller.Run(informerStopChan)
<-informerStartedChan
// Invoke the action function.
err := action()
if err != nil {
return false, err
}
// Poll whether the informer has found a matching node update with a timeout.
// Wait up 2 minutes polling every second.
timeout := 2 * time.Minute
interval := 1 * time.Second
err = wait.Poll(interval, timeout, func() (bool, error) {
return observedMatchingNode, nil
})
return err == nil, err
}
// ObserveEventAfterAction returns true if an event matching the predicate was emitted
// from the system after performing the supplied action.
func ObserveEventAfterAction(c clientset.Interface, ns string, eventPredicate func(*v1.Event) bool, action Action) (bool, error) {
observedMatchingEvent := false
informerStartedChan := make(chan struct{})
var informerStartedGuard sync.Once
// Create an informer to list/watch events from the test framework namespace.
_, controller := cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {
ls, err := c.CoreV1().Events(ns).List(context.TODO(), options)
return ls, err
},
WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) {
// Signal parent goroutine that watching has begun.
defer informerStartedGuard.Do(func() { close(informerStartedChan) })
w, err := c.CoreV1().Events(ns).Watch(context.TODO(), options)
return w, err
},
},
&v1.Event{},
0,
cache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) {
e, ok := obj.(*v1.Event)
ginkgo.By(fmt.Sprintf("Considering event: \nType = [%s], Name = [%s], Reason = [%s], Message = [%s]", e.Type, e.Name, e.Reason, e.Message))
framework.ExpectEqual(ok, true)
if eventPredicate(e) {
observedMatchingEvent = true
}
},
},
)
// Start the informer and block this goroutine waiting for the started signal.
informerStopChan := make(chan struct{})
defer func() { close(informerStopChan) }()
go controller.Run(informerStopChan)
<-informerStartedChan
// Invoke the action function.
err := action()
if err != nil {
return false, err
}
// Poll whether the informer has found a matching event with a timeout.
// Wait up 2 minutes polling every second.
timeout := 2 * time.Minute
interval := 1 * time.Second
err = wait.Poll(interval, timeout, func() (bool, error) {
return observedMatchingEvent, nil
})
return err == nil, err
}
// WaitTimeoutForEvent waits the given timeout duration for an event to occur.
func WaitTimeoutForEvent(c clientset.Interface, namespace, eventSelector, msg string, timeout time.Duration) error {
interval := 2 * time.Second

2
test/e2e/scheduling/BUILD
View File

@ -28,6 +28,7 @@ go_library(
"//staging/src/k8s.io/apimachinery/pkg/api/errors:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/api/resource:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/v1:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/fields:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/labels:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/runtime:go_default_library",
"//staging/src/k8s.io/apimachinery/pkg/util/intstr:go_default_library",
@ -40,7 +41,6 @@ go_library(
"//staging/src/k8s.io/client-go/tools/cache:go_default_library",
"//staging/src/k8s.io/client-go/tools/watch:go_default_library",
"//test/e2e/framework:go_default_library",
"//test/e2e/framework/events:go_default_library",
"//test/e2e/framework/gpu:go_default_library",
"//test/e2e/framework/job:go_default_library",
"//test/e2e/framework/kubelet:go_default_library",

131
test/e2e/scheduling/events.go
View File

@ -17,10 +17,23 @@ limitations under the License.
package scheduling
import (
"context"
"fmt"
"strings"
"sync"
"time"
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/fields"
"k8s.io/apimachinery/pkg/runtime"
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/apimachinery/pkg/watch"
clientset "k8s.io/client-go/kubernetes"
"k8s.io/client-go/tools/cache"
"k8s.io/kubernetes/test/e2e/framework"
"github.com/onsi/ginkgo"
)
func scheduleSuccessEvent(ns, podName, nodeName string) func(*v1.Event) bool {
@ -39,3 +52,121 @@ func scheduleFailureEvent(podName string) func(*v1.Event) bool {
e.Reason == "FailedScheduling"
}
}
// Action is a function to be performed by the system.
type Action func() error
// observeNodeUpdateAfterAction returns true if a node update matching the predicate was emitted
// from the system after performing the supplied action.
func observeNodeUpdateAfterAction(c clientset.Interface, nodeName string, nodePredicate func(*v1.Node) bool, action Action) (bool, error) {
observedMatchingNode := false
nodeSelector := fields.OneTermEqualSelector("metadata.name", nodeName)
informerStartedChan := make(chan struct{})
var informerStartedGuard sync.Once
_, controller := cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {
options.FieldSelector = nodeSelector.String()
ls, err := c.CoreV1().Nodes().List(context.TODO(), options)
return ls, err
},
WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) {
// Signal parent goroutine that watching has begun.
defer informerStartedGuard.Do(func() { close(informerStartedChan) })
options.FieldSelector = nodeSelector.String()
w, err := c.CoreV1().Nodes().Watch(context.TODO(), options)
return w, err
},
},
&v1.Node{},
0,
cache.ResourceEventHandlerFuncs{
UpdateFunc: func(oldObj, newObj interface{}) {
n, ok := newObj.(*v1.Node)
framework.ExpectEqual(ok, true)
if nodePredicate(n) {
observedMatchingNode = true
}
},
},
)
// Start the informer and block this goroutine waiting for the started signal.
informerStopChan := make(chan struct{})
defer func() { close(informerStopChan) }()
go controller.Run(informerStopChan)
<-informerStartedChan
// Invoke the action function.
err := action()
if err != nil {
return false, err
}
// Poll whether the informer has found a matching node update with a timeout.
// Wait up 2 minutes polling every second.
timeout := 2 * time.Minute
interval := 1 * time.Second
err = wait.Poll(interval, timeout, func() (bool, error) {
return observedMatchingNode, nil
})
return err == nil, err
}
// observeEventAfterAction returns true if an event matching the predicate was emitted
// from the system after performing the supplied action.
func observeEventAfterAction(c clientset.Interface, ns string, eventPredicate func(*v1.Event) bool, action Action) (bool, error) {
observedMatchingEvent := false
informerStartedChan := make(chan struct{})
var informerStartedGuard sync.Once
// Create an informer to list/watch events from the test framework namespace.
_, controller := cache.NewInformer(
&cache.ListWatch{
ListFunc: func(options metav1.ListOptions) (runtime.Object, error) {
ls, err := c.CoreV1().Events(ns).List(context.TODO(), options)
return ls, err
},
WatchFunc: func(options metav1.ListOptions) (watch.Interface, error) {
// Signal parent goroutine that watching has begun.
defer informerStartedGuard.Do(func() { close(informerStartedChan) })
w, err := c.CoreV1().Events(ns).Watch(context.TODO(), options)
return w, err
},
},
&v1.Event{},
0,
cache.ResourceEventHandlerFuncs{
AddFunc: func(obj interface{}) {
e, ok := obj.(*v1.Event)
ginkgo.By(fmt.Sprintf("Considering event: \nType = [%s], Name = [%s], Reason = [%s], Message = [%s]", e.Type, e.Name, e.Reason, e.Message))
framework.ExpectEqual(ok, true)
if eventPredicate(e) {
observedMatchingEvent = true
}
},
},
)
// Start the informer and block this goroutine waiting for the started signal.
informerStopChan := make(chan struct{})
defer func() { close(informerStopChan) }()
go controller.Run(informerStopChan)
<-informerStartedChan
// Invoke the action function.
err := action()
if err != nil {
return false, err
}
// Poll whether the informer has found a matching event with a timeout.
// Wait up 2 minutes polling every second.
timeout := 2 * time.Minute
interval := 1 * time.Second
err = wait.Poll(interval, timeout, func() (bool, error) {
return observedMatchingEvent, nil
})
return err == nil, err
}

9
test/e2e/scheduling/predicates.go
View File

@ -30,7 +30,6 @@ import (
clientset "k8s.io/client-go/kubernetes"
podutil "k8s.io/kubernetes/pkg/api/v1/pod"
"k8s.io/kubernetes/test/e2e/framework"
e2eevents "k8s.io/kubernetes/test/e2e/framework/events"
e2ekubelet "k8s.io/kubernetes/test/e2e/framework/kubelet"
e2enode "k8s.io/kubernetes/test/e2e/framework/node"
e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
@ -708,7 +707,7 @@ func getRequestedStorageEphemeralStorage(pod v1.Pod) int64 {
// removeTaintFromNodeAction returns a closure that removes the given taint
// from the given node upon invocation.
func removeTaintFromNodeAction(cs clientset.Interface, nodeName string, testTaint v1.Taint) e2eevents.Action {
func removeTaintFromNodeAction(cs clientset.Interface, nodeName string, testTaint v1.Taint) Action {
return func() error {
framework.RemoveTaintOffNode(cs, nodeName, testTaint)
return nil
@ -716,7 +715,7 @@ func removeTaintFromNodeAction(cs clientset.Interface, nodeName string, testTain
}
// createPausePodAction returns a closure that creates a pause pod upon invocation.
func createPausePodAction(f *framework.Framework, conf pausePodConfig) e2eevents.Action {
func createPausePodAction(f *framework.Framework, conf pausePodConfig) Action {
return func() error {
_, err := f.ClientSet.CoreV1().Pods(f.Namespace.Name).Create(context.TODO(), initPausePod(f, conf), metav1.CreateOptions{})
return err
@ -725,12 +724,12 @@ func createPausePodAction(f *framework.Framework, conf pausePodConfig) e2eevents
// WaitForSchedulerAfterAction performs the provided action and then waits for
// scheduler to act on the given pod.
func WaitForSchedulerAfterAction(f *framework.Framework, action e2eevents.Action, ns, podName string, expectSuccess bool) {
func WaitForSchedulerAfterAction(f *framework.Framework, action Action, ns, podName string, expectSuccess bool) {
predicate := scheduleFailureEvent(podName)
if expectSuccess {
predicate = scheduleSuccessEvent(ns, podName, "" /* any node */)
}
success, err := e2eevents.ObserveEventAfterAction(f.ClientSet, f.Namespace.Name, predicate, action)
success, err := observeEventAfterAction(f.ClientSet, f.Namespace.Name, predicate, action)
framework.ExpectNoError(err)
framework.ExpectEqual(success, true)
}

3
test/e2e/scheduling/priorities.go
View File

@ -38,7 +38,6 @@ import (
v1qos "k8s.io/kubernetes/pkg/apis/core/v1/helper/qos"
schedutil "k8s.io/kubernetes/pkg/scheduler/util"
"k8s.io/kubernetes/test/e2e/framework"
e2eevents "k8s.io/kubernetes/test/e2e/framework/events"
e2enode "k8s.io/kubernetes/test/e2e/framework/node"
e2epod "k8s.io/kubernetes/test/e2e/framework/pod"
e2erc "k8s.io/kubernetes/test/e2e/framework/rc"
@ -285,7 +284,7 @@ var _ = SIGDescribe("SchedulerPriorities [Serial]", func() {
}
return node.Annotations[v1.PreferAvoidPodsAnnotationKey] == string(val)
}
success, err := e2eevents.ObserveNodeUpdateAfterAction(f.ClientSet, nodeName, predicate, action)
success, err := observeNodeUpdateAfterAction(f.ClientSet, nodeName, predicate, action)
framework.ExpectNoError(err)
framework.ExpectEqual(success, true)