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https://github.com/k3s-io/kubernetes.git
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Merge pull request #88152 from fengzixu/master
cleanup: move the test of TaintBasedEvictions features to sig-node
This commit is contained in:
commit
34c4407d34
28
test/conformance/testdata/conformance.yaml
vendored
28
test/conformance/testdata/conformance.yaml
vendored
@ -420,6 +420,20 @@
|
|||||||
send events when scheduling and running a Pod.
|
send events when scheduling and running a Pod.
|
||||||
release: v1.9
|
release: v1.9
|
||||||
file: test/e2e/node/events.go
|
file: test/e2e/node/events.go
|
||||||
|
- testname: Pod Eviction, Toleration limits
|
||||||
|
codename: '[k8s.io] [sig-node] NoExecuteTaintManager Multiple Pods [Serial] evicts
|
||||||
|
pods with minTolerationSeconds [Disruptive] [Conformance]'
|
||||||
|
description: In a multi-pods scenario with tolerationSeconds, the pods MUST be evicted
|
||||||
|
as per the toleration time limit.
|
||||||
|
release: v1.16
|
||||||
|
file: test/e2e/node/taints.go
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||||||
|
- testname: Taint, Pod Eviction on taint removal
|
||||||
|
codename: '[k8s.io] [sig-node] NoExecuteTaintManager Single Pod [Serial] removing
|
||||||
|
taint cancels eviction [Disruptive] [Conformance]'
|
||||||
|
description: The Pod with toleration timeout scheduled on a tainted Node MUST not
|
||||||
|
be evicted if the taint is removed before toleration time ends.
|
||||||
|
release: v1.16
|
||||||
|
file: test/e2e/node/taints.go
|
||||||
- testname: Pods, QOS
|
- testname: Pods, QOS
|
||||||
codename: '[k8s.io] [sig-node] Pods Extended [k8s.io] Pods Set QOS Class should
|
codename: '[k8s.io] [sig-node] Pods Extended [k8s.io] Pods Set QOS Class should
|
||||||
be set on Pods with matching resource requests and limits for memory and cpu [Conformance]'
|
be set on Pods with matching resource requests and limits for memory and cpu [Conformance]'
|
||||||
@ -1694,20 +1708,6 @@
|
|||||||
validate the pod resources are applied to the Limitrange
|
validate the pod resources are applied to the Limitrange
|
||||||
release: v1.18
|
release: v1.18
|
||||||
file: test/e2e/scheduling/limit_range.go
|
file: test/e2e/scheduling/limit_range.go
|
||||||
- testname: Pod Eviction, Toleration limits
|
|
||||||
codename: '[sig-scheduling] NoExecuteTaintManager Multiple Pods [Serial] evicts
|
|
||||||
pods with minTolerationSeconds [Disruptive] [Conformance]'
|
|
||||||
description: In a multi-pods scenario with tolerationSeconds, the pods MUST be evicted
|
|
||||||
as per the toleration time limit.
|
|
||||||
release: v1.16
|
|
||||||
file: test/e2e/scheduling/taints.go
|
|
||||||
- testname: Taint, Pod Eviction on taint removal
|
|
||||||
codename: '[sig-scheduling] NoExecuteTaintManager Single Pod [Serial] removing taint
|
|
||||||
cancels eviction [Disruptive] [Conformance]'
|
|
||||||
description: The Pod with toleration timeout scheduled on a tainted Node MUST not
|
|
||||||
be evicted if the taint is removed before toleration time ends.
|
|
||||||
release: v1.16
|
|
||||||
file: test/e2e/scheduling/taints.go
|
|
||||||
- testname: Scheduler, resource limits
|
- testname: Scheduler, resource limits
|
||||||
codename: '[sig-scheduling] SchedulerPredicates [Serial] validates resource limits
|
codename: '[sig-scheduling] SchedulerPredicates [Serial] validates resource limits
|
||||||
of pods that are allowed to run [Conformance]'
|
of pods that are allowed to run [Conformance]'
|
||||||
|
@ -17,6 +17,7 @@ go_library(
|
|||||||
"runtimeclass.go",
|
"runtimeclass.go",
|
||||||
"security_context.go",
|
"security_context.go",
|
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"ssh.go",
|
"ssh.go",
|
||||||
|
"taints.go",
|
||||||
"ttlafterfinished.go",
|
"ttlafterfinished.go",
|
||||||
],
|
],
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importpath = "k8s.io/kubernetes/test/e2e/node",
|
importpath = "k8s.io/kubernetes/test/e2e/node",
|
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@ -34,11 +35,13 @@ go_library(
|
|||||||
"//staging/src/k8s.io/apimachinery/pkg/apis/meta/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/fields:go_default_library",
|
||||||
"//staging/src/k8s.io/apimachinery/pkg/labels: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/sets:go_default_library",
|
"//staging/src/k8s.io/apimachinery/pkg/util/sets:go_default_library",
|
||||||
"//staging/src/k8s.io/apimachinery/pkg/util/uuid:go_default_library",
|
"//staging/src/k8s.io/apimachinery/pkg/util/uuid:go_default_library",
|
||||||
"//staging/src/k8s.io/apimachinery/pkg/util/wait: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/apimachinery/pkg/watch:go_default_library",
|
||||||
"//staging/src/k8s.io/client-go/kubernetes: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",
|
"//test/e2e/framework:go_default_library",
|
||||||
"//test/e2e/framework/job:go_default_library",
|
"//test/e2e/framework/job:go_default_library",
|
||||||
"//test/e2e/framework/kubectl:go_default_library",
|
"//test/e2e/framework/kubectl:go_default_library",
|
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@ -58,6 +61,7 @@ go_library(
|
|||||||
"//test/utils/image:go_default_library",
|
"//test/utils/image:go_default_library",
|
||||||
"//vendor/github.com/onsi/ginkgo:go_default_library",
|
"//vendor/github.com/onsi/ginkgo:go_default_library",
|
||||||
"//vendor/github.com/onsi/gomega:go_default_library",
|
"//vendor/github.com/onsi/gomega:go_default_library",
|
||||||
|
"//vendor/github.com/stretchr/testify/assert:go_default_library",
|
||||||
],
|
],
|
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)
|
)
|
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|
|
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|
@ -14,7 +14,7 @@ See the License for the specific language governing permissions and
|
|||||||
limitations under the License.
|
limitations under the License.
|
||||||
*/
|
*/
|
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|
|
||||||
package scheduling
|
package node
|
||||||
|
|
||||||
import (
|
import (
|
||||||
"context"
|
"context"
|
@ -10,7 +10,6 @@ go_library(
|
|||||||
"predicates.go",
|
"predicates.go",
|
||||||
"preemption.go",
|
"preemption.go",
|
||||||
"priorities.go",
|
"priorities.go",
|
||||||
"taints.go",
|
|
||||||
"ubernetes_lite.go",
|
"ubernetes_lite.go",
|
||||||
"ubernetes_lite_volumes.go",
|
"ubernetes_lite_volumes.go",
|
||||||
],
|
],
|
||||||
|
@ -61,6 +61,7 @@ filegroup(
|
|||||||
"//test/integration/master:all-srcs",
|
"//test/integration/master:all-srcs",
|
||||||
"//test/integration/metrics:all-srcs",
|
"//test/integration/metrics:all-srcs",
|
||||||
"//test/integration/namespace:all-srcs",
|
"//test/integration/namespace:all-srcs",
|
||||||
|
"//test/integration/node:all-srcs",
|
||||||
"//test/integration/objectmeta:all-srcs",
|
"//test/integration/objectmeta:all-srcs",
|
||||||
"//test/integration/openshift:all-srcs",
|
"//test/integration/openshift:all-srcs",
|
||||||
"//test/integration/pods:all-srcs",
|
"//test/integration/pods:all-srcs",
|
||||||
|
51
test/integration/node/BUILD
Normal file
51
test/integration/node/BUILD
Normal file
@ -0,0 +1,51 @@
|
|||||||
|
package(default_visibility = ["//visibility:public"])
|
||||||
|
|
||||||
|
load(
|
||||||
|
"@io_bazel_rules_go//go:def.bzl",
|
||||||
|
"go_test",
|
||||||
|
)
|
||||||
|
|
||||||
|
go_test(
|
||||||
|
name = "go_default_test",
|
||||||
|
size = "large",
|
||||||
|
srcs = [
|
||||||
|
"lifecycle_test.go",
|
||||||
|
"main_test.go",
|
||||||
|
],
|
||||||
|
tags = ["integration"],
|
||||||
|
deps = [
|
||||||
|
"//pkg/controller/nodelifecycle:go_default_library",
|
||||||
|
"//pkg/features:go_default_library",
|
||||||
|
"//plugin/pkg/admission/defaulttolerationseconds:go_default_library",
|
||||||
|
"//plugin/pkg/admission/podtolerationrestriction:go_default_library",
|
||||||
|
"//plugin/pkg/admission/podtolerationrestriction/apis/podtolerationrestriction:go_default_library",
|
||||||
|
"//staging/src/k8s.io/api/core/v1:go_default_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/runtime/schema:go_default_library",
|
||||||
|
"//staging/src/k8s.io/apiserver/pkg/admission:go_default_library",
|
||||||
|
"//staging/src/k8s.io/apiserver/pkg/util/feature:go_default_library",
|
||||||
|
"//staging/src/k8s.io/client-go/informers:go_default_library",
|
||||||
|
"//staging/src/k8s.io/client-go/kubernetes:go_default_library",
|
||||||
|
"//staging/src/k8s.io/client-go/rest:go_default_library",
|
||||||
|
"//staging/src/k8s.io/component-base/featuregate/testing:go_default_library",
|
||||||
|
"//test/e2e/framework/pod:go_default_library",
|
||||||
|
"//test/integration/framework:go_default_library",
|
||||||
|
"//test/integration/util:go_default_library",
|
||||||
|
"//test/utils/image:go_default_library",
|
||||||
|
],
|
||||||
|
)
|
||||||
|
|
||||||
|
filegroup(
|
||||||
|
name = "package-srcs",
|
||||||
|
srcs = glob(["**"]),
|
||||||
|
tags = ["automanaged"],
|
||||||
|
visibility = ["//visibility:private"],
|
||||||
|
)
|
||||||
|
|
||||||
|
filegroup(
|
||||||
|
name = "all-srcs",
|
||||||
|
srcs = [":package-srcs"],
|
||||||
|
tags = ["automanaged"],
|
||||||
|
)
|
6
test/integration/node/OWNERS
Normal file
6
test/integration/node/OWNERS
Normal file
@ -0,0 +1,6 @@
|
|||||||
|
# See the OWNERS docs at https://go.k8s.io/owners
|
||||||
|
|
||||||
|
approvers:
|
||||||
|
- sig-node-approvers
|
||||||
|
reviewers:
|
||||||
|
- sig-node-reviewers
|
306
test/integration/node/lifecycle_test.go
Normal file
306
test/integration/node/lifecycle_test.go
Normal file
@ -0,0 +1,306 @@
|
|||||||
|
/*
|
||||||
|
Copyright 2020 The Kubernetes Authors.
|
||||||
|
|
||||||
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
you may not use this file except in compliance with the License.
|
||||||
|
You may obtain a copy of the License at
|
||||||
|
|
||||||
|
http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
|
||||||
|
Unless required by applicable law or agreed to in writing, software
|
||||||
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
See the License for the specific language governing permissions and
|
||||||
|
limitations under the License.
|
||||||
|
*/
|
||||||
|
|
||||||
|
package node
|
||||||
|
|
||||||
|
import (
|
||||||
|
"context"
|
||||||
|
"fmt"
|
||||||
|
"testing"
|
||||||
|
"time"
|
||||||
|
|
||||||
|
v1 "k8s.io/api/core/v1"
|
||||||
|
apierrors "k8s.io/apimachinery/pkg/api/errors"
|
||||||
|
"k8s.io/apimachinery/pkg/api/resource"
|
||||||
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||||||
|
"k8s.io/apimachinery/pkg/runtime/schema"
|
||||||
|
"k8s.io/apiserver/pkg/admission"
|
||||||
|
utilfeature "k8s.io/apiserver/pkg/util/feature"
|
||||||
|
"k8s.io/client-go/informers"
|
||||||
|
"k8s.io/client-go/kubernetes"
|
||||||
|
restclient "k8s.io/client-go/rest"
|
||||||
|
featuregatetesting "k8s.io/component-base/featuregate/testing"
|
||||||
|
"k8s.io/kubernetes/pkg/controller/nodelifecycle"
|
||||||
|
"k8s.io/kubernetes/pkg/features"
|
||||||
|
"k8s.io/kubernetes/plugin/pkg/admission/defaulttolerationseconds"
|
||||||
|
"k8s.io/kubernetes/plugin/pkg/admission/podtolerationrestriction"
|
||||||
|
pluginapi "k8s.io/kubernetes/plugin/pkg/admission/podtolerationrestriction/apis/podtolerationrestriction"
|
||||||
|
"k8s.io/kubernetes/test/e2e/framework/pod"
|
||||||
|
testutils "k8s.io/kubernetes/test/integration/util"
|
||||||
|
imageutils "k8s.io/kubernetes/test/utils/image"
|
||||||
|
)
|
||||||
|
|
||||||
|
// TestTaintBasedEvictions tests related cases for the TaintBasedEvictions feature
|
||||||
|
func TestTaintBasedEvictions(t *testing.T) {
|
||||||
|
// we need at least 2 nodes to prevent lifecycle manager from entering "fully-disrupted" mode
|
||||||
|
nodeCount := 3
|
||||||
|
zero := int64(0)
|
||||||
|
gracePeriod := int64(1)
|
||||||
|
heartbeatInternal := time.Second * 2
|
||||||
|
testPod := &v1.Pod{
|
||||||
|
ObjectMeta: metav1.ObjectMeta{Name: "testpod1", DeletionGracePeriodSeconds: &zero},
|
||||||
|
Spec: v1.PodSpec{
|
||||||
|
Containers: []v1.Container{
|
||||||
|
{Name: "container", Image: imageutils.GetPauseImageName()},
|
||||||
|
},
|
||||||
|
Tolerations: []v1.Toleration{
|
||||||
|
{
|
||||||
|
Key: v1.TaintNodeNotReady,
|
||||||
|
Operator: v1.TolerationOpExists,
|
||||||
|
Effect: v1.TaintEffectNoExecute,
|
||||||
|
},
|
||||||
|
},
|
||||||
|
TerminationGracePeriodSeconds: &gracePeriod,
|
||||||
|
},
|
||||||
|
}
|
||||||
|
tolerationSeconds := []int64{200, 300, 0}
|
||||||
|
tests := []struct {
|
||||||
|
name string
|
||||||
|
nodeTaints []v1.Taint
|
||||||
|
nodeConditions []v1.NodeCondition
|
||||||
|
pod *v1.Pod
|
||||||
|
waitForPodCondition string
|
||||||
|
}{
|
||||||
|
{
|
||||||
|
name: "Taint based evictions for NodeNotReady and 200 tolerationseconds",
|
||||||
|
nodeTaints: []v1.Taint{{Key: v1.TaintNodeNotReady, Effect: v1.TaintEffectNoExecute}},
|
||||||
|
nodeConditions: []v1.NodeCondition{{Type: v1.NodeReady, Status: v1.ConditionFalse}},
|
||||||
|
pod: testPod,
|
||||||
|
waitForPodCondition: "updated with tolerationSeconds of 200",
|
||||||
|
},
|
||||||
|
{
|
||||||
|
name: "Taint based evictions for NodeNotReady with no pod tolerations",
|
||||||
|
nodeTaints: []v1.Taint{{Key: v1.TaintNodeNotReady, Effect: v1.TaintEffectNoExecute}},
|
||||||
|
nodeConditions: []v1.NodeCondition{{Type: v1.NodeReady, Status: v1.ConditionFalse}},
|
||||||
|
pod: &v1.Pod{
|
||||||
|
ObjectMeta: metav1.ObjectMeta{Name: "testpod1"},
|
||||||
|
Spec: v1.PodSpec{
|
||||||
|
Containers: []v1.Container{
|
||||||
|
{Name: "container", Image: imageutils.GetPauseImageName()},
|
||||||
|
},
|
||||||
|
},
|
||||||
|
},
|
||||||
|
waitForPodCondition: "updated with tolerationSeconds=300",
|
||||||
|
},
|
||||||
|
{
|
||||||
|
name: "Taint based evictions for NodeNotReady and 0 tolerationseconds",
|
||||||
|
nodeTaints: []v1.Taint{{Key: v1.TaintNodeNotReady, Effect: v1.TaintEffectNoExecute}},
|
||||||
|
nodeConditions: []v1.NodeCondition{{Type: v1.NodeReady, Status: v1.ConditionFalse}},
|
||||||
|
pod: testPod,
|
||||||
|
waitForPodCondition: "terminating",
|
||||||
|
},
|
||||||
|
{
|
||||||
|
name: "Taint based evictions for NodeUnreachable",
|
||||||
|
nodeTaints: []v1.Taint{{Key: v1.TaintNodeUnreachable, Effect: v1.TaintEffectNoExecute}},
|
||||||
|
nodeConditions: []v1.NodeCondition{{Type: v1.NodeReady, Status: v1.ConditionUnknown}},
|
||||||
|
},
|
||||||
|
}
|
||||||
|
|
||||||
|
// Enable TaintBasedEvictions
|
||||||
|
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.TaintBasedEvictions, true)()
|
||||||
|
|
||||||
|
// Build admission chain handler.
|
||||||
|
podTolerations := podtolerationrestriction.NewPodTolerationsPlugin(&pluginapi.Configuration{})
|
||||||
|
admission := admission.NewChainHandler(
|
||||||
|
podTolerations,
|
||||||
|
defaulttolerationseconds.NewDefaultTolerationSeconds(),
|
||||||
|
)
|
||||||
|
for i, test := range tests {
|
||||||
|
t.Run(test.name, func(t *testing.T) {
|
||||||
|
testCtx := testutils.InitTestMaster(t, "taint-based-evictions", admission)
|
||||||
|
|
||||||
|
// Build clientset and informers for controllers.
|
||||||
|
externalClientset := kubernetes.NewForConfigOrDie(&restclient.Config{
|
||||||
|
QPS: -1,
|
||||||
|
Host: testCtx.HTTPServer.URL,
|
||||||
|
ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Group: "", Version: "v1"}}})
|
||||||
|
externalInformers := informers.NewSharedInformerFactory(externalClientset, time.Second)
|
||||||
|
podTolerations.SetExternalKubeClientSet(externalClientset)
|
||||||
|
podTolerations.SetExternalKubeInformerFactory(externalInformers)
|
||||||
|
|
||||||
|
testCtx = testutils.InitTestScheduler(t, testCtx, true, nil)
|
||||||
|
defer testutils.CleanupTest(t, testCtx)
|
||||||
|
cs := testCtx.ClientSet
|
||||||
|
informers := testCtx.InformerFactory
|
||||||
|
_, err := cs.CoreV1().Namespaces().Create(context.TODO(), testCtx.NS, metav1.CreateOptions{})
|
||||||
|
if err != nil {
|
||||||
|
t.Errorf("Failed to create namespace %+v", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
// Start NodeLifecycleController for taint.
|
||||||
|
nc, err := nodelifecycle.NewNodeLifecycleController(
|
||||||
|
informers.Coordination().V1().Leases(),
|
||||||
|
informers.Core().V1().Pods(),
|
||||||
|
informers.Core().V1().Nodes(),
|
||||||
|
informers.Apps().V1().DaemonSets(),
|
||||||
|
cs,
|
||||||
|
5*time.Second, // Node monitor grace period
|
||||||
|
time.Minute, // Node startup grace period
|
||||||
|
time.Millisecond, // Node monitor period
|
||||||
|
time.Second, // Pod eviction timeout
|
||||||
|
100, // Eviction limiter QPS
|
||||||
|
100, // Secondary eviction limiter QPS
|
||||||
|
50, // Large cluster threshold
|
||||||
|
0.55, // Unhealthy zone threshold
|
||||||
|
true, // Run taint manager
|
||||||
|
true, // Use taint based evictions
|
||||||
|
)
|
||||||
|
if err != nil {
|
||||||
|
t.Errorf("Failed to create node controller: %v", err)
|
||||||
|
return
|
||||||
|
}
|
||||||
|
|
||||||
|
go nc.Run(testCtx.Ctx.Done())
|
||||||
|
|
||||||
|
// Waiting for all controller sync.
|
||||||
|
externalInformers.Start(testCtx.Ctx.Done())
|
||||||
|
externalInformers.WaitForCacheSync(testCtx.Ctx.Done())
|
||||||
|
informers.Start(testCtx.Ctx.Done())
|
||||||
|
informers.WaitForCacheSync(testCtx.Ctx.Done())
|
||||||
|
|
||||||
|
nodeRes := v1.ResourceList{
|
||||||
|
v1.ResourceCPU: resource.MustParse("4000m"),
|
||||||
|
v1.ResourceMemory: resource.MustParse("16Gi"),
|
||||||
|
v1.ResourcePods: resource.MustParse("110"),
|
||||||
|
}
|
||||||
|
|
||||||
|
var nodes []*v1.Node
|
||||||
|
for i := 0; i < nodeCount; i++ {
|
||||||
|
nodes = append(nodes, &v1.Node{
|
||||||
|
ObjectMeta: metav1.ObjectMeta{
|
||||||
|
Name: fmt.Sprintf("node-%d", i),
|
||||||
|
Labels: map[string]string{v1.LabelZoneRegion: "region1", v1.LabelZoneFailureDomain: "zone1"},
|
||||||
|
},
|
||||||
|
Spec: v1.NodeSpec{},
|
||||||
|
Status: v1.NodeStatus{
|
||||||
|
Capacity: nodeRes,
|
||||||
|
Allocatable: nodeRes,
|
||||||
|
Conditions: []v1.NodeCondition{
|
||||||
|
{
|
||||||
|
Type: v1.NodeReady,
|
||||||
|
Status: v1.ConditionTrue,
|
||||||
|
LastHeartbeatTime: metav1.Now(),
|
||||||
|
},
|
||||||
|
},
|
||||||
|
},
|
||||||
|
})
|
||||||
|
if _, err := cs.CoreV1().Nodes().Create(context.TODO(), nodes[i], metav1.CreateOptions{}); err != nil {
|
||||||
|
t.Errorf("Failed to create node, err: %v", err)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
neededNode := nodes[1]
|
||||||
|
if test.pod != nil {
|
||||||
|
test.pod.Name = fmt.Sprintf("testpod-%d", i)
|
||||||
|
if len(test.pod.Spec.Tolerations) > 0 {
|
||||||
|
test.pod.Spec.Tolerations[0].TolerationSeconds = &tolerationSeconds[i]
|
||||||
|
}
|
||||||
|
|
||||||
|
test.pod, err = cs.CoreV1().Pods(testCtx.NS.Name).Create(context.TODO(), test.pod, metav1.CreateOptions{})
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("Test Failed: error: %v, while creating pod", err)
|
||||||
|
}
|
||||||
|
|
||||||
|
if err := testutils.WaitForPodToSchedule(cs, test.pod); err != nil {
|
||||||
|
t.Errorf("Failed to schedule pod %s/%s on the node, err: %v",
|
||||||
|
test.pod.Namespace, test.pod.Name, err)
|
||||||
|
}
|
||||||
|
test.pod, err = cs.CoreV1().Pods(testCtx.NS.Name).Get(context.TODO(), test.pod.Name, metav1.GetOptions{})
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("Test Failed: error: %v, while creating pod", err)
|
||||||
|
}
|
||||||
|
neededNode, err = cs.CoreV1().Nodes().Get(context.TODO(), test.pod.Spec.NodeName, metav1.GetOptions{})
|
||||||
|
if err != nil {
|
||||||
|
t.Fatalf("Error while getting node associated with pod %v with err %v", test.pod.Name, err)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
// Regularly send heartbeat event to APIServer so that the cluster doesn't enter fullyDisruption mode.
|
||||||
|
// TODO(Huang-Wei): use "NodeDisruptionExclusion" feature to simply the below logic when it's beta.
|
||||||
|
for i := 0; i < nodeCount; i++ {
|
||||||
|
var conditions []v1.NodeCondition
|
||||||
|
// If current node is not <neededNode>
|
||||||
|
if neededNode.Name != nodes[i].Name {
|
||||||
|
conditions = []v1.NodeCondition{
|
||||||
|
{
|
||||||
|
Type: v1.NodeReady,
|
||||||
|
Status: v1.ConditionTrue,
|
||||||
|
},
|
||||||
|
}
|
||||||
|
} else {
|
||||||
|
c, err := testutils.NodeReadyStatus(test.nodeConditions)
|
||||||
|
if err != nil {
|
||||||
|
t.Error(err)
|
||||||
|
}
|
||||||
|
// Need to distinguish NodeReady/False and NodeReady/Unknown.
|
||||||
|
// If we try to update the node with condition NotReady/False, i.e. expect a NotReady:NoExecute taint
|
||||||
|
// we need to keep sending the update event to keep it alive, rather than just sending once.
|
||||||
|
if c == v1.ConditionFalse {
|
||||||
|
conditions = test.nodeConditions
|
||||||
|
} else if c == v1.ConditionUnknown {
|
||||||
|
// If it's expected to update the node with condition NotReady/Unknown,
|
||||||
|
// i.e. expect a Unreachable:NoExecute taint,
|
||||||
|
// we need to only send the update event once to simulate the network unreachable scenario.
|
||||||
|
nodeCopy := testutils.NodeCopyWithConditions(nodes[i], test.nodeConditions)
|
||||||
|
if err := testutils.UpdateNodeStatus(cs, nodeCopy); err != nil && !apierrors.IsNotFound(err) {
|
||||||
|
t.Errorf("Cannot update node: %v", err)
|
||||||
|
}
|
||||||
|
continue
|
||||||
|
}
|
||||||
|
}
|
||||||
|
// Keeping sending NodeReady/True or NodeReady/False events.
|
||||||
|
go func(i int) {
|
||||||
|
for {
|
||||||
|
select {
|
||||||
|
case <-testCtx.Ctx.Done():
|
||||||
|
return
|
||||||
|
case <-time.Tick(heartbeatInternal):
|
||||||
|
nodeCopy := testutils.NodeCopyWithConditions(nodes[i], conditions)
|
||||||
|
if err := testutils.UpdateNodeStatus(cs, nodeCopy); err != nil && !apierrors.IsNotFound(err) {
|
||||||
|
t.Errorf("Cannot update node: %v", err)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}(i)
|
||||||
|
}
|
||||||
|
|
||||||
|
if err := testutils.WaitForNodeTaints(cs, neededNode, test.nodeTaints); err != nil {
|
||||||
|
t.Errorf("Failed to taint node in test %d <%s>, err: %v", i, neededNode.Name, err)
|
||||||
|
}
|
||||||
|
|
||||||
|
if test.pod != nil {
|
||||||
|
err = pod.WaitForPodCondition(cs, testCtx.NS.Name, test.pod.Name, test.waitForPodCondition, time.Second*15, func(pod *v1.Pod) (bool, error) {
|
||||||
|
// as node is unreachable, pod0 is expected to be in Terminating status
|
||||||
|
// rather than getting deleted
|
||||||
|
if tolerationSeconds[i] == 0 {
|
||||||
|
return pod.DeletionTimestamp != nil, nil
|
||||||
|
}
|
||||||
|
if seconds, err := testutils.GetTolerationSeconds(pod.Spec.Tolerations); err == nil {
|
||||||
|
return seconds == tolerationSeconds[i], nil
|
||||||
|
}
|
||||||
|
return false, nil
|
||||||
|
})
|
||||||
|
if err != nil {
|
||||||
|
pod, _ := cs.CoreV1().Pods(testCtx.NS.Name).Get(context.TODO(), test.pod.Name, metav1.GetOptions{})
|
||||||
|
t.Fatalf("Error: %v, Expected test pod to be %s but it's %v", err, test.waitForPodCondition, pod)
|
||||||
|
}
|
||||||
|
testutils.CleanupPods(cs, t, []*v1.Pod{test.pod})
|
||||||
|
}
|
||||||
|
testutils.CleanupNodes(cs, t)
|
||||||
|
testutils.WaitForSchedulerCacheCleanup(testCtx.Scheduler, t)
|
||||||
|
})
|
||||||
|
}
|
||||||
|
}
|
27
test/integration/node/main_test.go
Normal file
27
test/integration/node/main_test.go
Normal file
@ -0,0 +1,27 @@
|
|||||||
|
/*
|
||||||
|
Copyright 2020 The Kubernetes Authors.
|
||||||
|
|
||||||
|
Licensed under the Apache License, Version 2.0 (the "License");
|
||||||
|
you may not use this file except in compliance with the License.
|
||||||
|
You may obtain a copy of the License at
|
||||||
|
|
||||||
|
http://www.apache.org/licenses/LICENSE-2.0
|
||||||
|
|
||||||
|
Unless required by applicable law or agreed to in writing, software
|
||||||
|
distributed under the License is distributed on an "AS IS" BASIS,
|
||||||
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||||
|
See the License for the specific language governing permissions and
|
||||||
|
limitations under the License.
|
||||||
|
*/
|
||||||
|
|
||||||
|
package node
|
||||||
|
|
||||||
|
import (
|
||||||
|
"testing"
|
||||||
|
|
||||||
|
"k8s.io/kubernetes/test/integration/framework"
|
||||||
|
)
|
||||||
|
|
||||||
|
func TestMain(m *testing.M) {
|
||||||
|
framework.EtcdMain(m.Run)
|
||||||
|
}
|
@ -34,7 +34,6 @@ go_test(
|
|||||||
"//pkg/scheduler/nodeinfo:go_default_library",
|
"//pkg/scheduler/nodeinfo:go_default_library",
|
||||||
"//pkg/scheduler/profile:go_default_library",
|
"//pkg/scheduler/profile:go_default_library",
|
||||||
"//pkg/scheduler/testing:go_default_library",
|
"//pkg/scheduler/testing:go_default_library",
|
||||||
"//plugin/pkg/admission/defaulttolerationseconds:go_default_library",
|
|
||||||
"//plugin/pkg/admission/podtolerationrestriction:go_default_library",
|
"//plugin/pkg/admission/podtolerationrestriction:go_default_library",
|
||||||
"//plugin/pkg/admission/podtolerationrestriction/apis/podtolerationrestriction:go_default_library",
|
"//plugin/pkg/admission/podtolerationrestriction/apis/podtolerationrestriction:go_default_library",
|
||||||
"//plugin/pkg/admission/priority:go_default_library",
|
"//plugin/pkg/admission/priority:go_default_library",
|
||||||
@ -49,7 +48,6 @@ go_test(
|
|||||||
"//staging/src/k8s.io/apimachinery/pkg/util/intstr:go_default_library",
|
"//staging/src/k8s.io/apimachinery/pkg/util/intstr:go_default_library",
|
||||||
"//staging/src/k8s.io/apimachinery/pkg/util/wait: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/apimachinery/pkg/watch:go_default_library",
|
||||||
"//staging/src/k8s.io/apiserver/pkg/admission:go_default_library",
|
|
||||||
"//staging/src/k8s.io/apiserver/pkg/util/feature:go_default_library",
|
"//staging/src/k8s.io/apiserver/pkg/util/feature:go_default_library",
|
||||||
"//staging/src/k8s.io/client-go/informers:go_default_library",
|
"//staging/src/k8s.io/client-go/informers:go_default_library",
|
||||||
"//staging/src/k8s.io/client-go/kubernetes:go_default_library",
|
"//staging/src/k8s.io/client-go/kubernetes:go_default_library",
|
||||||
@ -59,7 +57,6 @@ go_test(
|
|||||||
"//staging/src/k8s.io/client-go/tools/events:go_default_library",
|
"//staging/src/k8s.io/client-go/tools/events:go_default_library",
|
||||||
"//staging/src/k8s.io/component-base/featuregate/testing:go_default_library",
|
"//staging/src/k8s.io/component-base/featuregate/testing:go_default_library",
|
||||||
"//staging/src/k8s.io/kube-scheduler/extender/v1:go_default_library",
|
"//staging/src/k8s.io/kube-scheduler/extender/v1:go_default_library",
|
||||||
"//test/e2e/framework/pod:go_default_library",
|
|
||||||
"//test/integration/framework:go_default_library",
|
"//test/integration/framework:go_default_library",
|
||||||
"//test/integration/util:go_default_library",
|
"//test/integration/util:go_default_library",
|
||||||
"//test/utils:go_default_library",
|
"//test/utils:go_default_library",
|
||||||
|
@ -20,30 +20,21 @@ package scheduler
|
|||||||
|
|
||||||
import (
|
import (
|
||||||
"context"
|
"context"
|
||||||
"errors"
|
|
||||||
"fmt"
|
"fmt"
|
||||||
"testing"
|
"testing"
|
||||||
"time"
|
"time"
|
||||||
|
|
||||||
v1 "k8s.io/api/core/v1"
|
v1 "k8s.io/api/core/v1"
|
||||||
apierrors "k8s.io/apimachinery/pkg/api/errors"
|
|
||||||
"k8s.io/apimachinery/pkg/api/resource"
|
"k8s.io/apimachinery/pkg/api/resource"
|
||||||
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
|
||||||
"k8s.io/apimachinery/pkg/runtime/schema"
|
"k8s.io/apimachinery/pkg/runtime/schema"
|
||||||
"k8s.io/apiserver/pkg/admission"
|
|
||||||
utilfeature "k8s.io/apiserver/pkg/util/feature"
|
|
||||||
"k8s.io/client-go/informers"
|
"k8s.io/client-go/informers"
|
||||||
"k8s.io/client-go/kubernetes"
|
"k8s.io/client-go/kubernetes"
|
||||||
restclient "k8s.io/client-go/rest"
|
restclient "k8s.io/client-go/rest"
|
||||||
featuregatetesting "k8s.io/component-base/featuregate/testing"
|
|
||||||
"k8s.io/kubernetes/pkg/controller/nodelifecycle"
|
"k8s.io/kubernetes/pkg/controller/nodelifecycle"
|
||||||
"k8s.io/kubernetes/pkg/features"
|
|
||||||
"k8s.io/kubernetes/plugin/pkg/admission/defaulttolerationseconds"
|
|
||||||
"k8s.io/kubernetes/plugin/pkg/admission/podtolerationrestriction"
|
"k8s.io/kubernetes/plugin/pkg/admission/podtolerationrestriction"
|
||||||
pluginapi "k8s.io/kubernetes/plugin/pkg/admission/podtolerationrestriction/apis/podtolerationrestriction"
|
pluginapi "k8s.io/kubernetes/plugin/pkg/admission/podtolerationrestriction/apis/podtolerationrestriction"
|
||||||
"k8s.io/kubernetes/test/e2e/framework/pod"
|
|
||||||
testutils "k8s.io/kubernetes/test/integration/util"
|
testutils "k8s.io/kubernetes/test/integration/util"
|
||||||
imageutils "k8s.io/kubernetes/test/utils/image"
|
|
||||||
)
|
)
|
||||||
|
|
||||||
func newPod(nsName, name string, req, limit v1.ResourceList) *v1.Pod {
|
func newPod(nsName, name string, req, limit v1.ResourceList) *v1.Pod {
|
||||||
@ -577,297 +568,3 @@ func TestTaintNodeByCondition(t *testing.T) {
|
|||||||
})
|
})
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
|
|
||||||
// TestTaintBasedEvictions tests related cases for the TaintBasedEvictions feature
|
|
||||||
func TestTaintBasedEvictions(t *testing.T) {
|
|
||||||
// we need at least 2 nodes to prevent lifecycle manager from entering "fully-disrupted" mode
|
|
||||||
nodeCount := 3
|
|
||||||
zero := int64(0)
|
|
||||||
gracePeriod := int64(1)
|
|
||||||
heartbeatInternal := time.Second * 2
|
|
||||||
testPod := &v1.Pod{
|
|
||||||
ObjectMeta: metav1.ObjectMeta{Name: "testpod1", DeletionGracePeriodSeconds: &zero},
|
|
||||||
Spec: v1.PodSpec{
|
|
||||||
Containers: []v1.Container{
|
|
||||||
{Name: "container", Image: imageutils.GetPauseImageName()},
|
|
||||||
},
|
|
||||||
Tolerations: []v1.Toleration{
|
|
||||||
{
|
|
||||||
Key: v1.TaintNodeNotReady,
|
|
||||||
Operator: v1.TolerationOpExists,
|
|
||||||
Effect: v1.TaintEffectNoExecute,
|
|
||||||
},
|
|
||||||
},
|
|
||||||
TerminationGracePeriodSeconds: &gracePeriod,
|
|
||||||
},
|
|
||||||
}
|
|
||||||
tolerationSeconds := []int64{200, 300, 0}
|
|
||||||
tests := []struct {
|
|
||||||
name string
|
|
||||||
nodeTaints []v1.Taint
|
|
||||||
nodeConditions []v1.NodeCondition
|
|
||||||
pod *v1.Pod
|
|
||||||
waitForPodCondition string
|
|
||||||
}{
|
|
||||||
{
|
|
||||||
name: "Taint based evictions for NodeNotReady and 200 tolerationseconds",
|
|
||||||
nodeTaints: []v1.Taint{{Key: v1.TaintNodeNotReady, Effect: v1.TaintEffectNoExecute}},
|
|
||||||
nodeConditions: []v1.NodeCondition{{Type: v1.NodeReady, Status: v1.ConditionFalse}},
|
|
||||||
pod: testPod,
|
|
||||||
waitForPodCondition: "updated with tolerationSeconds of 200",
|
|
||||||
},
|
|
||||||
{
|
|
||||||
name: "Taint based evictions for NodeNotReady with no pod tolerations",
|
|
||||||
nodeTaints: []v1.Taint{{Key: v1.TaintNodeNotReady, Effect: v1.TaintEffectNoExecute}},
|
|
||||||
nodeConditions: []v1.NodeCondition{{Type: v1.NodeReady, Status: v1.ConditionFalse}},
|
|
||||||
pod: &v1.Pod{
|
|
||||||
ObjectMeta: metav1.ObjectMeta{Name: "testpod1"},
|
|
||||||
Spec: v1.PodSpec{
|
|
||||||
Containers: []v1.Container{
|
|
||||||
{Name: "container", Image: imageutils.GetPauseImageName()},
|
|
||||||
},
|
|
||||||
},
|
|
||||||
},
|
|
||||||
waitForPodCondition: "updated with tolerationSeconds=300",
|
|
||||||
},
|
|
||||||
{
|
|
||||||
name: "Taint based evictions for NodeNotReady and 0 tolerationseconds",
|
|
||||||
nodeTaints: []v1.Taint{{Key: v1.TaintNodeNotReady, Effect: v1.TaintEffectNoExecute}},
|
|
||||||
nodeConditions: []v1.NodeCondition{{Type: v1.NodeReady, Status: v1.ConditionFalse}},
|
|
||||||
pod: testPod,
|
|
||||||
waitForPodCondition: "terminating",
|
|
||||||
},
|
|
||||||
{
|
|
||||||
name: "Taint based evictions for NodeUnreachable",
|
|
||||||
nodeTaints: []v1.Taint{{Key: v1.TaintNodeUnreachable, Effect: v1.TaintEffectNoExecute}},
|
|
||||||
nodeConditions: []v1.NodeCondition{{Type: v1.NodeReady, Status: v1.ConditionUnknown}},
|
|
||||||
},
|
|
||||||
}
|
|
||||||
|
|
||||||
// Enable TaintBasedEvictions
|
|
||||||
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.TaintBasedEvictions, true)()
|
|
||||||
|
|
||||||
// Build admission chain handler.
|
|
||||||
podTolerations := podtolerationrestriction.NewPodTolerationsPlugin(&pluginapi.Configuration{})
|
|
||||||
admission := admission.NewChainHandler(
|
|
||||||
podTolerations,
|
|
||||||
defaulttolerationseconds.NewDefaultTolerationSeconds(),
|
|
||||||
)
|
|
||||||
for i, test := range tests {
|
|
||||||
t.Run(test.name, func(t *testing.T) {
|
|
||||||
testCtx := testutils.InitTestMaster(t, "taint-based-evictions", admission)
|
|
||||||
|
|
||||||
// Build clientset and informers for controllers.
|
|
||||||
externalClientset := kubernetes.NewForConfigOrDie(&restclient.Config{
|
|
||||||
QPS: -1,
|
|
||||||
Host: testCtx.HTTPServer.URL,
|
|
||||||
ContentConfig: restclient.ContentConfig{GroupVersion: &schema.GroupVersion{Group: "", Version: "v1"}}})
|
|
||||||
externalInformers := informers.NewSharedInformerFactory(externalClientset, time.Second)
|
|
||||||
podTolerations.SetExternalKubeClientSet(externalClientset)
|
|
||||||
podTolerations.SetExternalKubeInformerFactory(externalInformers)
|
|
||||||
|
|
||||||
testCtx = testutils.InitTestScheduler(t, testCtx, true, nil)
|
|
||||||
defer testutils.CleanupTest(t, testCtx)
|
|
||||||
cs := testCtx.ClientSet
|
|
||||||
informers := testCtx.InformerFactory
|
|
||||||
_, err := cs.CoreV1().Namespaces().Create(context.TODO(), testCtx.NS, metav1.CreateOptions{})
|
|
||||||
if err != nil {
|
|
||||||
t.Errorf("Failed to create namespace %+v", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
// Start NodeLifecycleController for taint.
|
|
||||||
nc, err := nodelifecycle.NewNodeLifecycleController(
|
|
||||||
informers.Coordination().V1().Leases(),
|
|
||||||
informers.Core().V1().Pods(),
|
|
||||||
informers.Core().V1().Nodes(),
|
|
||||||
informers.Apps().V1().DaemonSets(),
|
|
||||||
cs,
|
|
||||||
5*time.Second, // Node monitor grace period
|
|
||||||
time.Minute, // Node startup grace period
|
|
||||||
time.Millisecond, // Node monitor period
|
|
||||||
time.Second, // Pod eviction timeout
|
|
||||||
100, // Eviction limiter QPS
|
|
||||||
100, // Secondary eviction limiter QPS
|
|
||||||
50, // Large cluster threshold
|
|
||||||
0.55, // Unhealthy zone threshold
|
|
||||||
true, // Run taint manager
|
|
||||||
true, // Use taint based evictions
|
|
||||||
)
|
|
||||||
if err != nil {
|
|
||||||
t.Errorf("Failed to create node controller: %v", err)
|
|
||||||
return
|
|
||||||
}
|
|
||||||
|
|
||||||
go nc.Run(testCtx.Ctx.Done())
|
|
||||||
|
|
||||||
// Waiting for all controller sync.
|
|
||||||
externalInformers.Start(testCtx.Ctx.Done())
|
|
||||||
externalInformers.WaitForCacheSync(testCtx.Ctx.Done())
|
|
||||||
informers.Start(testCtx.Ctx.Done())
|
|
||||||
informers.WaitForCacheSync(testCtx.Ctx.Done())
|
|
||||||
|
|
||||||
nodeRes := v1.ResourceList{
|
|
||||||
v1.ResourceCPU: resource.MustParse("4000m"),
|
|
||||||
v1.ResourceMemory: resource.MustParse("16Gi"),
|
|
||||||
v1.ResourcePods: resource.MustParse("110"),
|
|
||||||
}
|
|
||||||
|
|
||||||
var nodes []*v1.Node
|
|
||||||
for i := 0; i < nodeCount; i++ {
|
|
||||||
nodes = append(nodes, &v1.Node{
|
|
||||||
ObjectMeta: metav1.ObjectMeta{
|
|
||||||
Name: fmt.Sprintf("node-%d", i),
|
|
||||||
Labels: map[string]string{v1.LabelZoneRegion: "region1", v1.LabelZoneFailureDomain: "zone1"},
|
|
||||||
},
|
|
||||||
Spec: v1.NodeSpec{},
|
|
||||||
Status: v1.NodeStatus{
|
|
||||||
Capacity: nodeRes,
|
|
||||||
Allocatable: nodeRes,
|
|
||||||
Conditions: []v1.NodeCondition{
|
|
||||||
{
|
|
||||||
Type: v1.NodeReady,
|
|
||||||
Status: v1.ConditionTrue,
|
|
||||||
LastHeartbeatTime: metav1.Now(),
|
|
||||||
},
|
|
||||||
},
|
|
||||||
},
|
|
||||||
})
|
|
||||||
if _, err := cs.CoreV1().Nodes().Create(context.TODO(), nodes[i], metav1.CreateOptions{}); err != nil {
|
|
||||||
t.Errorf("Failed to create node, err: %v", err)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
neededNode := nodes[1]
|
|
||||||
if test.pod != nil {
|
|
||||||
test.pod.Name = fmt.Sprintf("testpod-%d", i)
|
|
||||||
if len(test.pod.Spec.Tolerations) > 0 {
|
|
||||||
test.pod.Spec.Tolerations[0].TolerationSeconds = &tolerationSeconds[i]
|
|
||||||
}
|
|
||||||
|
|
||||||
test.pod, err = cs.CoreV1().Pods(testCtx.NS.Name).Create(context.TODO(), test.pod, metav1.CreateOptions{})
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("Test Failed: error: %v, while creating pod", err)
|
|
||||||
}
|
|
||||||
|
|
||||||
if err := testutils.WaitForPodToSchedule(cs, test.pod); err != nil {
|
|
||||||
t.Errorf("Failed to schedule pod %s/%s on the node, err: %v",
|
|
||||||
test.pod.Namespace, test.pod.Name, err)
|
|
||||||
}
|
|
||||||
test.pod, err = cs.CoreV1().Pods(testCtx.NS.Name).Get(context.TODO(), test.pod.Name, metav1.GetOptions{})
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("Test Failed: error: %v, while creating pod", err)
|
|
||||||
}
|
|
||||||
neededNode, err = cs.CoreV1().Nodes().Get(context.TODO(), test.pod.Spec.NodeName, metav1.GetOptions{})
|
|
||||||
if err != nil {
|
|
||||||
t.Fatalf("Error while getting node associated with pod %v with err %v", test.pod.Name, err)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
// Regularly send heartbeat event to APIServer so that the cluster doesn't enter fullyDisruption mode.
|
|
||||||
// TODO(Huang-Wei): use "NodeDisruptionExclusion" feature to simply the below logic when it's beta.
|
|
||||||
for i := 0; i < nodeCount; i++ {
|
|
||||||
var conditions []v1.NodeCondition
|
|
||||||
// If current node is not <neededNode>
|
|
||||||
if neededNode.Name != nodes[i].Name {
|
|
||||||
conditions = []v1.NodeCondition{
|
|
||||||
{
|
|
||||||
Type: v1.NodeReady,
|
|
||||||
Status: v1.ConditionTrue,
|
|
||||||
},
|
|
||||||
}
|
|
||||||
} else {
|
|
||||||
c, err := nodeReadyStatus(test.nodeConditions)
|
|
||||||
if err != nil {
|
|
||||||
t.Error(err)
|
|
||||||
}
|
|
||||||
// Need to distinguish NodeReady/False and NodeReady/Unknown.
|
|
||||||
// If we try to update the node with condition NotReady/False, i.e. expect a NotReady:NoExecute taint
|
|
||||||
// we need to keep sending the update event to keep it alive, rather than just sending once.
|
|
||||||
if c == v1.ConditionFalse {
|
|
||||||
conditions = test.nodeConditions
|
|
||||||
} else if c == v1.ConditionUnknown {
|
|
||||||
// If it's expected to update the node with condition NotReady/Unknown,
|
|
||||||
// i.e. expect a Unreachable:NoExecute taint,
|
|
||||||
// we need to only send the update event once to simulate the network unreachable scenario.
|
|
||||||
nodeCopy := nodeCopyWithConditions(nodes[i], test.nodeConditions)
|
|
||||||
if err := testutils.UpdateNodeStatus(cs, nodeCopy); err != nil && !apierrors.IsNotFound(err) {
|
|
||||||
t.Errorf("Cannot update node: %v", err)
|
|
||||||
}
|
|
||||||
continue
|
|
||||||
}
|
|
||||||
}
|
|
||||||
// Keeping sending NodeReady/True or NodeReady/False events.
|
|
||||||
go func(i int) {
|
|
||||||
for {
|
|
||||||
select {
|
|
||||||
case <-testCtx.Ctx.Done():
|
|
||||||
return
|
|
||||||
case <-time.Tick(heartbeatInternal):
|
|
||||||
nodeCopy := nodeCopyWithConditions(nodes[i], conditions)
|
|
||||||
if err := testutils.UpdateNodeStatus(cs, nodeCopy); err != nil && !apierrors.IsNotFound(err) {
|
|
||||||
t.Errorf("Cannot update node: %v", err)
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}
|
|
||||||
}(i)
|
|
||||||
}
|
|
||||||
|
|
||||||
if err := testutils.WaitForNodeTaints(cs, neededNode, test.nodeTaints); err != nil {
|
|
||||||
t.Errorf("Failed to taint node in test %d <%s>, err: %v", i, neededNode.Name, err)
|
|
||||||
}
|
|
||||||
|
|
||||||
if test.pod != nil {
|
|
||||||
err = pod.WaitForPodCondition(cs, testCtx.NS.Name, test.pod.Name, test.waitForPodCondition, time.Second*15, func(pod *v1.Pod) (bool, error) {
|
|
||||||
// as node is unreachable, pod0 is expected to be in Terminating status
|
|
||||||
// rather than getting deleted
|
|
||||||
if tolerationSeconds[i] == 0 {
|
|
||||||
return pod.DeletionTimestamp != nil, nil
|
|
||||||
}
|
|
||||||
if seconds, err := getTolerationSeconds(pod.Spec.Tolerations); err == nil {
|
|
||||||
return seconds == tolerationSeconds[i], nil
|
|
||||||
}
|
|
||||||
return false, nil
|
|
||||||
})
|
|
||||||
if err != nil {
|
|
||||||
pod, _ := cs.CoreV1().Pods(testCtx.NS.Name).Get(context.TODO(), test.pod.Name, metav1.GetOptions{})
|
|
||||||
t.Fatalf("Error: %v, Expected test pod to be %s but it's %v", err, test.waitForPodCondition, pod)
|
|
||||||
}
|
|
||||||
testutils.CleanupPods(cs, t, []*v1.Pod{test.pod})
|
|
||||||
}
|
|
||||||
testutils.CleanupNodes(cs, t)
|
|
||||||
testutils.WaitForSchedulerCacheCleanup(testCtx.Scheduler, t)
|
|
||||||
})
|
|
||||||
}
|
|
||||||
}
|
|
||||||
|
|
||||||
func getTolerationSeconds(tolerations []v1.Toleration) (int64, error) {
|
|
||||||
for _, t := range tolerations {
|
|
||||||
if t.Key == v1.TaintNodeNotReady && t.Effect == v1.TaintEffectNoExecute && t.Operator == v1.TolerationOpExists {
|
|
||||||
return *t.TolerationSeconds, nil
|
|
||||||
}
|
|
||||||
}
|
|
||||||
return 0, fmt.Errorf("cannot find toleration")
|
|
||||||
}
|
|
||||||
|
|
||||||
// nodeReadyStatus returns the status of first condition with type NodeReady.
|
|
||||||
// If none of the condition is of type NodeReady, returns an error.
|
|
||||||
func nodeReadyStatus(conditions []v1.NodeCondition) (v1.ConditionStatus, error) {
|
|
||||||
for _, c := range conditions {
|
|
||||||
if c.Type != v1.NodeReady {
|
|
||||||
continue
|
|
||||||
}
|
|
||||||
// Just return the first condition with type NodeReady
|
|
||||||
return c.Status, nil
|
|
||||||
}
|
|
||||||
return v1.ConditionFalse, errors.New("None of the conditions is of type NodeReady")
|
|
||||||
}
|
|
||||||
|
|
||||||
func nodeCopyWithConditions(node *v1.Node, conditions []v1.NodeCondition) *v1.Node {
|
|
||||||
copy := node.DeepCopy()
|
|
||||||
copy.ResourceVersion = "0"
|
|
||||||
copy.Status.Conditions = conditions
|
|
||||||
for i := range copy.Status.Conditions {
|
|
||||||
copy.Status.Conditions[i].LastHeartbeatTime = metav1.Now()
|
|
||||||
}
|
|
||||||
return copy
|
|
||||||
}
|
|
||||||
|
Loading…
Reference in New Issue
Block a user