5a6acf85fa
Align the behavior of HTTP-based lifecycle handlers and HTTP-based probers, converging on the probers implementation. This fixes multiple deficiencies in the current implementation of lifecycle handlers surrounding what functionality is available. The functionality is gated by the features.ConsistentHTTPGetHandlers feature gate.
141 lines
4.4 KiB
Go
141 lines
4.4 KiB
Go
/*
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Copyright 2016 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package kuberuntime
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import (
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"net/http"
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"time"
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cadvisorapi "github.com/google/cadvisor/info/v1"
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v1 "k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/api/resource"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/client-go/tools/record"
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"k8s.io/client-go/util/flowcontrol"
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"k8s.io/component-base/logs/logreduction"
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internalapi "k8s.io/cri-api/pkg/apis"
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"k8s.io/kubernetes/pkg/credentialprovider"
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"k8s.io/kubernetes/pkg/kubelet/cm"
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kubecontainer "k8s.io/kubernetes/pkg/kubelet/container"
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"k8s.io/kubernetes/pkg/kubelet/images"
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"k8s.io/kubernetes/pkg/kubelet/lifecycle"
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"k8s.io/kubernetes/pkg/kubelet/logs"
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proberesults "k8s.io/kubernetes/pkg/kubelet/prober/results"
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)
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const (
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fakeSeccompProfileRoot = "/fakeSeccompProfileRoot"
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fakeNodeAllocatableMemory = "32Gi"
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fakeNodeAllocatableCPU = "16"
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)
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type fakeHTTP struct {
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req *http.Request
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err error
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}
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func (f *fakeHTTP) Do(req *http.Request) (*http.Response, error) {
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f.req = req
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return nil, f.err
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}
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type fakePodStateProvider struct {
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terminated map[types.UID]struct{}
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removed map[types.UID]struct{}
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}
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func newFakePodStateProvider() *fakePodStateProvider {
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return &fakePodStateProvider{
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terminated: make(map[types.UID]struct{}),
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removed: make(map[types.UID]struct{}),
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}
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}
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func (f *fakePodStateProvider) IsPodTerminationRequested(uid types.UID) bool {
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_, found := f.removed[uid]
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return found
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}
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func (f *fakePodStateProvider) ShouldPodRuntimeBeRemoved(uid types.UID) bool {
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_, found := f.terminated[uid]
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return found
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}
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func (f *fakePodStateProvider) ShouldPodContentBeRemoved(uid types.UID) bool {
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_, found := f.removed[uid]
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return found
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}
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func newFakeKubeRuntimeManager(runtimeService internalapi.RuntimeService, imageService internalapi.ImageManagerService, machineInfo *cadvisorapi.MachineInfo, osInterface kubecontainer.OSInterface, runtimeHelper kubecontainer.RuntimeHelper, keyring credentialprovider.DockerKeyring) (*kubeGenericRuntimeManager, error) {
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recorder := &record.FakeRecorder{}
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logManager, err := logs.NewContainerLogManager(runtimeService, osInterface, "1", 2)
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if err != nil {
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return nil, err
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}
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kubeRuntimeManager := &kubeGenericRuntimeManager{
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recorder: recorder,
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cpuCFSQuota: false,
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cpuCFSQuotaPeriod: metav1.Duration{Duration: time.Millisecond * 100},
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livenessManager: proberesults.NewManager(),
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startupManager: proberesults.NewManager(),
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machineInfo: machineInfo,
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osInterface: osInterface,
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runtimeHelper: runtimeHelper,
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runtimeService: runtimeService,
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imageService: imageService,
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keyring: keyring,
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seccompProfileRoot: fakeSeccompProfileRoot,
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internalLifecycle: cm.NewFakeInternalContainerLifecycle(),
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logReduction: logreduction.NewLogReduction(identicalErrorDelay),
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logManager: logManager,
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memoryThrottlingFactor: 0.8,
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}
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typedVersion, err := runtimeService.Version(kubeRuntimeAPIVersion)
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if err != nil {
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return nil, err
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}
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podStateProvider := newFakePodStateProvider()
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kubeRuntimeManager.containerGC = newContainerGC(runtimeService, podStateProvider, kubeRuntimeManager)
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kubeRuntimeManager.podStateProvider = podStateProvider
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kubeRuntimeManager.runtimeName = typedVersion.RuntimeName
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kubeRuntimeManager.imagePuller = images.NewImageManager(
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kubecontainer.FilterEventRecorder(recorder),
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kubeRuntimeManager,
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flowcontrol.NewBackOff(time.Second, 300*time.Second),
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false,
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0, // Disable image pull throttling by setting QPS to 0,
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0,
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)
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kubeRuntimeManager.runner = lifecycle.NewHandlerRunner(
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&fakeHTTP{},
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kubeRuntimeManager,
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kubeRuntimeManager)
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kubeRuntimeManager.getNodeAllocatable = func() v1.ResourceList {
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return v1.ResourceList{
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v1.ResourceMemory: resource.MustParse(fakeNodeAllocatableMemory),
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v1.ResourceCPU: resource.MustParse(fakeNodeAllocatableCPU),
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}
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}
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return kubeRuntimeManager, nil
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}
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