Replace godep with dep
This commit is contained in:
Manuel de Brito Fontes
parent
1e7489927c
commit
bf5616c65b
14883 changed files with 3937406 additions and 361781 deletions
896
vendor/k8s.io/kubernetes/test/e2e/apps/daemon_set.go
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vendored
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896
vendor/k8s.io/kubernetes/test/e2e/apps/daemon_set.go
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@ -0,0 +1,896 @@
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/*
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Copyright 2015 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 apps
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import (
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"fmt"
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"reflect"
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"strings"
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"time"
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apps "k8s.io/api/apps/v1beta1"
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"k8s.io/api/core/v1"
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extensions "k8s.io/api/extensions/v1beta1"
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apiequality "k8s.io/apimachinery/pkg/api/equality"
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apierrs "k8s.io/apimachinery/pkg/api/errors"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/apimachinery/pkg/runtime"
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"k8s.io/apimachinery/pkg/types"
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"k8s.io/apimachinery/pkg/util/wait"
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clientset "k8s.io/client-go/kubernetes"
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"k8s.io/kubernetes/pkg/api"
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podutil "k8s.io/kubernetes/pkg/api/v1/pod"
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extensionsinternal "k8s.io/kubernetes/pkg/apis/extensions"
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"k8s.io/kubernetes/pkg/controller"
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"k8s.io/kubernetes/pkg/controller/daemon"
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"k8s.io/kubernetes/pkg/kubectl"
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"k8s.io/kubernetes/plugin/pkg/scheduler/schedulercache"
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"k8s.io/kubernetes/test/e2e/framework"
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. "github.com/onsi/ginkgo"
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. "github.com/onsi/gomega"
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)
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const (
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// this should not be a multiple of 5, because node status updates
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// every 5 seconds. See https://github.com/kubernetes/kubernetes/pull/14915.
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dsRetryPeriod = 1 * time.Second
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dsRetryTimeout = 5 * time.Minute
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daemonsetLabelPrefix = "daemonset-"
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daemonsetNameLabel = daemonsetLabelPrefix + "name"
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daemonsetColorLabel = daemonsetLabelPrefix + "color"
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)
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// This test must be run in serial because it assumes the Daemon Set pods will
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// always get scheduled. If we run other tests in parallel, this may not
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// happen. In the future, running in parallel may work if we have an eviction
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// model which lets the DS controller kick out other pods to make room.
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// See http://issues.k8s.io/21767 for more details
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var _ = SIGDescribe("Daemon set [Serial]", func() {
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var f *framework.Framework
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AfterEach(func() {
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// Clean up
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daemonsets, err := f.ClientSet.Extensions().DaemonSets(f.Namespace.Name).List(metav1.ListOptions{})
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Expect(err).NotTo(HaveOccurred(), "unable to dump DaemonSets")
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if daemonsets != nil && len(daemonsets.Items) > 0 {
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for _, ds := range daemonsets.Items {
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By(fmt.Sprintf("Deleting DaemonSet %q with reaper", ds.Name))
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dsReaper, err := kubectl.ReaperFor(extensionsinternal.Kind("DaemonSet"), f.InternalClientset)
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Expect(err).NotTo(HaveOccurred())
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err = dsReaper.Stop(f.Namespace.Name, ds.Name, 0, nil)
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Expect(err).NotTo(HaveOccurred())
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err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkRunningOnNoNodes(f, &ds))
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Expect(err).NotTo(HaveOccurred(), "error waiting for daemon pod to be reaped")
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}
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}
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if daemonsets, err := f.ClientSet.Extensions().DaemonSets(f.Namespace.Name).List(metav1.ListOptions{}); err == nil {
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framework.Logf("daemonset: %s", runtime.EncodeOrDie(api.Codecs.LegacyCodec(api.Registry.EnabledVersions()...), daemonsets))
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} else {
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framework.Logf("unable to dump daemonsets: %v", err)
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}
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if pods, err := f.ClientSet.Core().Pods(f.Namespace.Name).List(metav1.ListOptions{}); err == nil {
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framework.Logf("pods: %s", runtime.EncodeOrDie(api.Codecs.LegacyCodec(api.Registry.EnabledVersions()...), pods))
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} else {
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framework.Logf("unable to dump pods: %v", err)
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}
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err = clearDaemonSetNodeLabels(f.ClientSet)
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Expect(err).NotTo(HaveOccurred())
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})
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f = framework.NewDefaultFramework("daemonsets")
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image := framework.ServeHostnameImage
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dsName := "daemon-set"
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var ns string
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var c clientset.Interface
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BeforeEach(func() {
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ns = f.Namespace.Name
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c = f.ClientSet
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err := clearDaemonSetNodeLabels(c)
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Expect(err).NotTo(HaveOccurred())
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})
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It("should run and stop simple daemon", func() {
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label := map[string]string{daemonsetNameLabel: dsName}
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By(fmt.Sprintf("Creating simple DaemonSet %q", dsName))
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ds, err := c.Extensions().DaemonSets(ns).Create(newDaemonSet(dsName, image, label))
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Expect(err).NotTo(HaveOccurred())
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By("Check that daemon pods launch on every node of the cluster.")
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err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkRunningOnAllNodes(f, ds))
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Expect(err).NotTo(HaveOccurred(), "error waiting for daemon pod to start")
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err = checkDaemonStatus(f, dsName)
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Expect(err).NotTo(HaveOccurred())
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By("Stop a daemon pod, check that the daemon pod is revived.")
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podList := listDaemonPods(c, ns, label)
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pod := podList.Items[0]
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err = c.Core().Pods(ns).Delete(pod.Name, nil)
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Expect(err).NotTo(HaveOccurred())
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err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkRunningOnAllNodes(f, ds))
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Expect(err).NotTo(HaveOccurred(), "error waiting for daemon pod to revive")
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})
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It("should run and stop complex daemon", func() {
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complexLabel := map[string]string{daemonsetNameLabel: dsName}
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nodeSelector := map[string]string{daemonsetColorLabel: "blue"}
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framework.Logf("Creating daemon %q with a node selector", dsName)
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ds := newDaemonSet(dsName, image, complexLabel)
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ds.Spec.Template.Spec.NodeSelector = nodeSelector
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ds, err := c.Extensions().DaemonSets(ns).Create(ds)
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Expect(err).NotTo(HaveOccurred())
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By("Initially, daemon pods should not be running on any nodes.")
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err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkRunningOnNoNodes(f, ds))
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Expect(err).NotTo(HaveOccurred(), "error waiting for daemon pods to be running on no nodes")
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By("Change node label to blue, check that daemon pod is launched.")
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nodeList := framework.GetReadySchedulableNodesOrDie(f.ClientSet)
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Expect(len(nodeList.Items)).To(BeNumerically(">", 0))
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newNode, err := setDaemonSetNodeLabels(c, nodeList.Items[0].Name, nodeSelector)
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Expect(err).NotTo(HaveOccurred(), "error setting labels on node")
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daemonSetLabels, _ := separateDaemonSetNodeLabels(newNode.Labels)
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Expect(len(daemonSetLabels)).To(Equal(1))
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err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkDaemonPodOnNodes(f, ds, []string{newNode.Name}))
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Expect(err).NotTo(HaveOccurred(), "error waiting for daemon pods to be running on new nodes")
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err = checkDaemonStatus(f, dsName)
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Expect(err).NotTo(HaveOccurred())
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By("Update the node label to green, and wait for daemons to be unscheduled")
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nodeSelector[daemonsetColorLabel] = "green"
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greenNode, err := setDaemonSetNodeLabels(c, nodeList.Items[0].Name, nodeSelector)
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Expect(err).NotTo(HaveOccurred(), "error removing labels on node")
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Expect(wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkRunningOnNoNodes(f, ds))).
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NotTo(HaveOccurred(), "error waiting for daemon pod to not be running on nodes")
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By("Update DaemonSet node selector to green, and change its update strategy to RollingUpdate")
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patch := fmt.Sprintf(`{"spec":{"template":{"spec":{"nodeSelector":{"%s":"%s"}}},"updateStrategy":{"type":"RollingUpdate"}}}`,
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daemonsetColorLabel, greenNode.Labels[daemonsetColorLabel])
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ds, err = c.Extensions().DaemonSets(ns).Patch(dsName, types.StrategicMergePatchType, []byte(patch))
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Expect(err).NotTo(HaveOccurred(), "error patching daemon set")
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daemonSetLabels, _ = separateDaemonSetNodeLabels(greenNode.Labels)
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Expect(len(daemonSetLabels)).To(Equal(1))
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err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkDaemonPodOnNodes(f, ds, []string{greenNode.Name}))
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Expect(err).NotTo(HaveOccurred(), "error waiting for daemon pods to be running on new nodes")
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err = checkDaemonStatus(f, dsName)
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Expect(err).NotTo(HaveOccurred())
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})
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It("should run and stop complex daemon with node affinity", func() {
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complexLabel := map[string]string{daemonsetNameLabel: dsName}
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nodeSelector := map[string]string{daemonsetColorLabel: "blue"}
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framework.Logf("Creating daemon %q with a node affinity", dsName)
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ds := newDaemonSet(dsName, image, complexLabel)
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ds.Spec.Template.Spec.Affinity = &v1.Affinity{
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NodeAffinity: &v1.NodeAffinity{
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RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
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NodeSelectorTerms: []v1.NodeSelectorTerm{
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{
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MatchExpressions: []v1.NodeSelectorRequirement{
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{
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Key: daemonsetColorLabel,
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Operator: v1.NodeSelectorOpIn,
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Values: []string{nodeSelector[daemonsetColorLabel]},
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},
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},
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},
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},
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},
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},
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}
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ds, err := c.Extensions().DaemonSets(ns).Create(ds)
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Expect(err).NotTo(HaveOccurred())
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By("Initially, daemon pods should not be running on any nodes.")
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err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkRunningOnNoNodes(f, ds))
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Expect(err).NotTo(HaveOccurred(), "error waiting for daemon pods to be running on no nodes")
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By("Change node label to blue, check that daemon pod is launched.")
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nodeList := framework.GetReadySchedulableNodesOrDie(f.ClientSet)
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Expect(len(nodeList.Items)).To(BeNumerically(">", 0))
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newNode, err := setDaemonSetNodeLabels(c, nodeList.Items[0].Name, nodeSelector)
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Expect(err).NotTo(HaveOccurred(), "error setting labels on node")
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daemonSetLabels, _ := separateDaemonSetNodeLabels(newNode.Labels)
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Expect(len(daemonSetLabels)).To(Equal(1))
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err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkDaemonPodOnNodes(f, ds, []string{newNode.Name}))
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Expect(err).NotTo(HaveOccurred(), "error waiting for daemon pods to be running on new nodes")
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err = checkDaemonStatus(f, dsName)
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Expect(err).NotTo(HaveOccurred())
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By("Remove the node label and wait for daemons to be unscheduled")
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_, err = setDaemonSetNodeLabels(c, nodeList.Items[0].Name, map[string]string{})
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Expect(err).NotTo(HaveOccurred(), "error removing labels on node")
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Expect(wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkRunningOnNoNodes(f, ds))).
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NotTo(HaveOccurred(), "error waiting for daemon pod to not be running on nodes")
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})
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It("should retry creating failed daemon pods", func() {
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label := map[string]string{daemonsetNameLabel: dsName}
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By(fmt.Sprintf("Creating a simple DaemonSet %q", dsName))
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ds, err := c.Extensions().DaemonSets(ns).Create(newDaemonSet(dsName, image, label))
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Expect(err).NotTo(HaveOccurred())
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By("Check that daemon pods launch on every node of the cluster.")
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err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkRunningOnAllNodes(f, ds))
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Expect(err).NotTo(HaveOccurred(), "error waiting for daemon pod to start")
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err = checkDaemonStatus(f, dsName)
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Expect(err).NotTo(HaveOccurred())
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By("Set a daemon pod's phase to 'Failed', check that the daemon pod is revived.")
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podList := listDaemonPods(c, ns, label)
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pod := podList.Items[0]
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pod.ResourceVersion = ""
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pod.Status.Phase = v1.PodFailed
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_, err = c.Core().Pods(ns).UpdateStatus(&pod)
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Expect(err).NotTo(HaveOccurred(), "error failing a daemon pod")
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err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkRunningOnAllNodes(f, ds))
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Expect(err).NotTo(HaveOccurred(), "error waiting for daemon pod to revive")
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})
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It("Should not update pod when spec was updated and update strategy is OnDelete", func() {
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label := map[string]string{daemonsetNameLabel: dsName}
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framework.Logf("Creating simple daemon set %s", dsName)
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ds, err := c.Extensions().DaemonSets(ns).Create(newDaemonSet(dsName, image, label))
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Expect(err).NotTo(HaveOccurred())
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Expect(ds.Spec.TemplateGeneration).To(Equal(int64(1)))
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By("Check that daemon pods launch on every node of the cluster.")
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err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkRunningOnAllNodes(f, ds))
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Expect(err).NotTo(HaveOccurred(), "error waiting for daemon pod to start")
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By("Make sure all daemon pods have correct template generation 1")
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templateGeneration := "1"
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err = checkDaemonPodsTemplateGeneration(c, ns, label, "1")
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Expect(err).NotTo(HaveOccurred())
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// Check history and labels
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ds, err = c.Extensions().DaemonSets(ns).Get(ds.Name, metav1.GetOptions{})
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Expect(err).NotTo(HaveOccurred())
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first := curHistory(listDaemonHistories(c, ns, label), ds)
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firstHash := first.Labels[extensions.DefaultDaemonSetUniqueLabelKey]
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Expect(first.Revision).To(Equal(int64(1)))
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checkDaemonSetPodsLabels(listDaemonPods(c, ns, label), firstHash, templateGeneration)
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By("Update daemon pods image.")
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patch := getDaemonSetImagePatch(ds.Spec.Template.Spec.Containers[0].Name, RedisImage)
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ds, err = c.Extensions().DaemonSets(ns).Patch(dsName, types.StrategicMergePatchType, []byte(patch))
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Expect(err).NotTo(HaveOccurred())
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Expect(ds.Spec.TemplateGeneration).To(Equal(int64(2)))
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By("Check that daemon pods images aren't updated.")
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err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkDaemonPodsImageAndAvailability(c, ds, image, 0))
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Expect(err).NotTo(HaveOccurred())
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By("Make sure all daemon pods have correct template generation 1")
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err = checkDaemonPodsTemplateGeneration(c, ns, label, templateGeneration)
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Expect(err).NotTo(HaveOccurred())
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By("Check that daemon pods are still running on every node of the cluster.")
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err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkRunningOnAllNodes(f, ds))
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Expect(err).NotTo(HaveOccurred(), "error waiting for daemon pod to start")
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// Check history and labels
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ds, err = c.Extensions().DaemonSets(ns).Get(ds.Name, metav1.GetOptions{})
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Expect(err).NotTo(HaveOccurred())
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cur := curHistory(listDaemonHistories(c, ns, label), ds)
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Expect(cur.Revision).To(Equal(int64(2)))
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Expect(cur.Labels[extensions.DefaultDaemonSetUniqueLabelKey]).NotTo(Equal(firstHash))
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checkDaemonSetPodsLabels(listDaemonPods(c, ns, label), firstHash, templateGeneration)
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})
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It("Should update pod when spec was updated and update strategy is RollingUpdate", func() {
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label := map[string]string{daemonsetNameLabel: dsName}
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templateGeneration := int64(999)
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framework.Logf("Creating simple daemon set %s with templateGeneration %d", dsName, templateGeneration)
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ds := newDaemonSet(dsName, image, label)
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ds.Spec.TemplateGeneration = templateGeneration
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ds.Spec.UpdateStrategy = extensions.DaemonSetUpdateStrategy{Type: extensions.RollingUpdateDaemonSetStrategyType}
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ds, err := c.Extensions().DaemonSets(ns).Create(ds)
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Expect(err).NotTo(HaveOccurred())
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Expect(ds.Spec.TemplateGeneration).To(Equal(templateGeneration))
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By("Check that daemon pods launch on every node of the cluster.")
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err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkRunningOnAllNodes(f, ds))
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Expect(err).NotTo(HaveOccurred(), "error waiting for daemon pod to start")
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By(fmt.Sprintf("Make sure all daemon pods have correct template generation %d", templateGeneration))
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err = checkDaemonPodsTemplateGeneration(c, ns, label, fmt.Sprint(templateGeneration))
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Expect(err).NotTo(HaveOccurred())
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// Check history and labels
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ds, err = c.Extensions().DaemonSets(ns).Get(ds.Name, metav1.GetOptions{})
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Expect(err).NotTo(HaveOccurred())
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cur := curHistory(listDaemonHistories(c, ns, label), ds)
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hash := cur.Labels[extensions.DefaultDaemonSetUniqueLabelKey]
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Expect(cur.Revision).To(Equal(int64(1)))
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checkDaemonSetPodsLabels(listDaemonPods(c, ns, label), hash, fmt.Sprint(templateGeneration))
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By("Update daemon pods image.")
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patch := getDaemonSetImagePatch(ds.Spec.Template.Spec.Containers[0].Name, RedisImage)
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ds, err = c.Extensions().DaemonSets(ns).Patch(dsName, types.StrategicMergePatchType, []byte(patch))
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Expect(err).NotTo(HaveOccurred())
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templateGeneration++
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Expect(ds.Spec.TemplateGeneration).To(Equal(templateGeneration))
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By("Check that daemon pods images are updated.")
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err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkDaemonPodsImageAndAvailability(c, ds, RedisImage, 1))
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Expect(err).NotTo(HaveOccurred())
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By(fmt.Sprintf("Make sure all daemon pods have correct template generation %d", templateGeneration))
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err = checkDaemonPodsTemplateGeneration(c, ns, label, fmt.Sprint(templateGeneration))
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Expect(err).NotTo(HaveOccurred())
|
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By("Check that daemon pods are still running on every node of the cluster.")
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err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkRunningOnAllNodes(f, ds))
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Expect(err).NotTo(HaveOccurred(), "error waiting for daemon pod to start")
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|
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// Check history and labels
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ds, err = c.Extensions().DaemonSets(ns).Get(ds.Name, metav1.GetOptions{})
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Expect(err).NotTo(HaveOccurred())
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cur = curHistory(listDaemonHistories(c, ns, label), ds)
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hash = cur.Labels[extensions.DefaultDaemonSetUniqueLabelKey]
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Expect(cur.Revision).To(Equal(int64(2)))
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checkDaemonSetPodsLabels(listDaemonPods(c, ns, label), hash, fmt.Sprint(templateGeneration))
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})
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It("Should adopt existing pods when creating a RollingUpdate DaemonSet regardless of templateGeneration", func() {
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label := map[string]string{daemonsetNameLabel: dsName}
|
||||
|
||||
// 1. Create a RollingUpdate DaemonSet
|
||||
templateGeneration := int64(999)
|
||||
framework.Logf("Creating simple RollingUpdate DaemonSet %s with templateGeneration %d", dsName, templateGeneration)
|
||||
ds := newDaemonSet(dsName, image, label)
|
||||
ds.Spec.TemplateGeneration = templateGeneration
|
||||
ds.Spec.UpdateStrategy = extensions.DaemonSetUpdateStrategy{Type: extensions.RollingUpdateDaemonSetStrategyType}
|
||||
ds, err := c.Extensions().DaemonSets(ns).Create(ds)
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
Expect(ds.Spec.TemplateGeneration).To(Equal(templateGeneration))
|
||||
|
||||
framework.Logf("Check that daemon pods launch on every node of the cluster.")
|
||||
err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkRunningOnAllNodes(f, ds))
|
||||
Expect(err).NotTo(HaveOccurred(), "error waiting for daemon pod to start")
|
||||
|
||||
framework.Logf("Make sure all daemon pods have correct template generation %d", templateGeneration)
|
||||
err = checkDaemonPodsTemplateGeneration(c, ns, label, fmt.Sprint(templateGeneration))
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
|
||||
// 2. Orphan DaemonSet pods
|
||||
framework.Logf("Deleting DaemonSet %s and orphaning its pods and history", dsName)
|
||||
deleteDaemonSetAndOrphan(c, ds)
|
||||
|
||||
// 3. Adopt DaemonSet pods (no restart)
|
||||
newDSName := "adopt"
|
||||
framework.Logf("Creating a new RollingUpdate DaemonSet %s to adopt pods", newDSName)
|
||||
newDS := newDaemonSet(newDSName, image, label)
|
||||
newDS.Spec.TemplateGeneration = templateGeneration
|
||||
newDS.Spec.UpdateStrategy = extensions.DaemonSetUpdateStrategy{Type: extensions.RollingUpdateDaemonSetStrategyType}
|
||||
newDS, err = c.Extensions().DaemonSets(ns).Create(newDS)
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
Expect(newDS.Spec.TemplateGeneration).To(Equal(templateGeneration))
|
||||
Expect(apiequality.Semantic.DeepEqual(newDS.Spec.Template, ds.Spec.Template)).To(BeTrue(), "DaemonSet template should match to adopt pods")
|
||||
|
||||
framework.Logf("Wait for pods and history to be adopted by DaemonSet %s", newDS.Name)
|
||||
waitDaemonSetAdoption(c, newDS, ds.Name, templateGeneration)
|
||||
|
||||
// 4. Orphan DaemonSet pods again
|
||||
framework.Logf("Deleting DaemonSet %s and orphaning its pods and history", newDSName)
|
||||
deleteDaemonSetAndOrphan(c, newDS)
|
||||
|
||||
// 5. Adopt DaemonSet pods (no restart) as long as template matches, even when templateGeneration doesn't match
|
||||
newAdoptDSName := "adopt-template-matches"
|
||||
framework.Logf("Creating a new RollingUpdate DaemonSet %s to adopt pods", newAdoptDSName)
|
||||
newAdoptDS := newDaemonSet(newAdoptDSName, image, label)
|
||||
newAdoptDS.Spec.UpdateStrategy = extensions.DaemonSetUpdateStrategy{Type: extensions.RollingUpdateDaemonSetStrategyType}
|
||||
newAdoptDS, err = c.Extensions().DaemonSets(ns).Create(newAdoptDS)
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
Expect(newAdoptDS.Spec.TemplateGeneration).To(Equal(int64(1)))
|
||||
Expect(newAdoptDS.Spec.TemplateGeneration).NotTo(Equal(templateGeneration))
|
||||
Expect(apiequality.Semantic.DeepEqual(newAdoptDS.Spec.Template, newDS.Spec.Template)).To(BeTrue(), "DaemonSet template should match to adopt pods")
|
||||
|
||||
framework.Logf(fmt.Sprintf("Wait for pods and history to be adopted by DaemonSet %s", newAdoptDS.Name))
|
||||
waitDaemonSetAdoption(c, newAdoptDS, ds.Name, templateGeneration)
|
||||
|
||||
// 6. Orphan DaemonSet pods again
|
||||
framework.Logf("Deleting DaemonSet %s and orphaning its pods and history", newAdoptDSName)
|
||||
deleteDaemonSetAndOrphan(c, newAdoptDS)
|
||||
|
||||
// 7. Adopt DaemonSet pods (no restart) as long as templateGeneration matches, even when template doesn't match
|
||||
newAdoptDSName = "adopt-template-generation-matches"
|
||||
framework.Logf("Creating a new RollingUpdate DaemonSet %s to adopt pods", newAdoptDSName)
|
||||
newAdoptDS = newDaemonSet(newAdoptDSName, image, label)
|
||||
newAdoptDS.Spec.Template.Spec.Containers[0].Name = "not-match"
|
||||
newAdoptDS.Spec.UpdateStrategy = extensions.DaemonSetUpdateStrategy{Type: extensions.RollingUpdateDaemonSetStrategyType}
|
||||
newAdoptDS.Spec.TemplateGeneration = templateGeneration
|
||||
newAdoptDS, err = c.Extensions().DaemonSets(ns).Create(newAdoptDS)
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
Expect(newAdoptDS.Spec.TemplateGeneration).To(Equal(templateGeneration))
|
||||
Expect(apiequality.Semantic.DeepEqual(newAdoptDS.Spec.Template, newDS.Spec.Template)).NotTo(BeTrue(), "DaemonSet template should not match")
|
||||
|
||||
framework.Logf("Wait for pods and history to be adopted by DaemonSet %s", newAdoptDS.Name)
|
||||
waitDaemonSetAdoption(c, newAdoptDS, ds.Name, templateGeneration)
|
||||
})
|
||||
|
||||
It("Should rollback without unnecessary restarts", func() {
|
||||
// Skip clusters with only one node, where we cannot have half-done DaemonSet rollout for this test
|
||||
framework.SkipUnlessNodeCountIsAtLeast(2)
|
||||
|
||||
framework.Logf("Create a RollingUpdate DaemonSet")
|
||||
label := map[string]string{daemonsetNameLabel: dsName}
|
||||
ds := newDaemonSet(dsName, image, label)
|
||||
ds.Spec.UpdateStrategy = extensions.DaemonSetUpdateStrategy{Type: extensions.RollingUpdateDaemonSetStrategyType}
|
||||
ds, err := c.Extensions().DaemonSets(ns).Create(ds)
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
|
||||
framework.Logf("Check that daemon pods launch on every node of the cluster")
|
||||
err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkRunningOnAllNodes(f, ds))
|
||||
Expect(err).NotTo(HaveOccurred(), "error waiting for daemon pod to start")
|
||||
|
||||
framework.Logf("Update the DaemonSet to trigger a rollout")
|
||||
// We use a nonexistent image here, so that we make sure it won't finish
|
||||
newImage := "foo:non-existent"
|
||||
newDS, err := framework.UpdateDaemonSetWithRetries(c, ns, ds.Name, func(update *extensions.DaemonSet) {
|
||||
update.Spec.Template.Spec.Containers[0].Image = newImage
|
||||
})
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
|
||||
// Make sure we're in the middle of a rollout
|
||||
err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkAtLeastOneNewPod(c, ns, label, newImage))
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
|
||||
pods := listDaemonPods(c, ns, label)
|
||||
var existingPods, newPods []*v1.Pod
|
||||
for i := range pods.Items {
|
||||
pod := pods.Items[i]
|
||||
image := pod.Spec.Containers[0].Image
|
||||
switch image {
|
||||
case ds.Spec.Template.Spec.Containers[0].Image:
|
||||
existingPods = append(existingPods, &pod)
|
||||
case newDS.Spec.Template.Spec.Containers[0].Image:
|
||||
newPods = append(newPods, &pod)
|
||||
default:
|
||||
framework.Failf("unexpected pod found, image = %s", image)
|
||||
}
|
||||
}
|
||||
Expect(len(existingPods)).NotTo(Equal(0))
|
||||
Expect(len(newPods)).NotTo(Equal(0))
|
||||
|
||||
framework.Logf("Roll back the DaemonSet before rollout is complete")
|
||||
rollbackDS, err := framework.UpdateDaemonSetWithRetries(c, ns, ds.Name, func(update *extensions.DaemonSet) {
|
||||
update.Spec.Template.Spec.Containers[0].Image = image
|
||||
})
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
|
||||
framework.Logf("Make sure DaemonSet rollback is complete")
|
||||
err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkDaemonPodsImageAndAvailability(c, rollbackDS, image, 1))
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
|
||||
// After rollback is done, compare current pods with previous old pods during rollout, to make sure they're not restarted
|
||||
pods = listDaemonPods(c, ns, label)
|
||||
rollbackPods := map[string]bool{}
|
||||
for _, pod := range pods.Items {
|
||||
rollbackPods[pod.Name] = true
|
||||
}
|
||||
for _, pod := range existingPods {
|
||||
Expect(rollbackPods[pod.Name]).To(BeTrue(), fmt.Sprintf("unexpected pod %s be restarted", pod.Name))
|
||||
}
|
||||
})
|
||||
})
|
||||
|
||||
// getDaemonSetImagePatch generates a patch for updating a DaemonSet's container image
|
||||
func getDaemonSetImagePatch(containerName, containerImage string) string {
|
||||
return fmt.Sprintf(`{"spec":{"template":{"spec":{"containers":[{"name":"%s","image":"%s"}]}}}}`, containerName, containerImage)
|
||||
}
|
||||
|
||||
// deleteDaemonSetAndOrphan deletes the given DaemonSet and orphans all its dependents.
|
||||
// It also checks that all dependents are orphaned, and the DaemonSet is deleted.
|
||||
func deleteDaemonSetAndOrphan(c clientset.Interface, ds *extensions.DaemonSet) {
|
||||
trueVar := true
|
||||
deleteOptions := &metav1.DeleteOptions{OrphanDependents: &trueVar}
|
||||
deleteOptions.Preconditions = metav1.NewUIDPreconditions(string(ds.UID))
|
||||
err := c.Extensions().DaemonSets(ds.Namespace).Delete(ds.Name, deleteOptions)
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
|
||||
err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkDaemonSetPodsOrphaned(c, ds.Namespace, ds.Spec.Template.Labels))
|
||||
Expect(err).NotTo(HaveOccurred(), "error waiting for DaemonSet pods to be orphaned")
|
||||
err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkDaemonSetHistoryOrphaned(c, ds.Namespace, ds.Spec.Template.Labels))
|
||||
Expect(err).NotTo(HaveOccurred(), "error waiting for DaemonSet history to be orphaned")
|
||||
err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkDaemonSetDeleted(c, ds.Namespace, ds.Name))
|
||||
Expect(err).NotTo(HaveOccurred(), "error waiting for DaemonSet to be deleted")
|
||||
}
|
||||
|
||||
func newDaemonSet(dsName, image string, label map[string]string) *extensions.DaemonSet {
|
||||
return &extensions.DaemonSet{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Name: dsName,
|
||||
},
|
||||
Spec: extensions.DaemonSetSpec{
|
||||
Template: v1.PodTemplateSpec{
|
||||
ObjectMeta: metav1.ObjectMeta{
|
||||
Labels: label,
|
||||
},
|
||||
Spec: v1.PodSpec{
|
||||
Containers: []v1.Container{
|
||||
{
|
||||
Name: "app",
|
||||
Image: image,
|
||||
Ports: []v1.ContainerPort{{ContainerPort: 9376}},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
}
|
||||
}
|
||||
|
||||
func listDaemonPods(c clientset.Interface, ns string, label map[string]string) *v1.PodList {
|
||||
selector := labels.Set(label).AsSelector()
|
||||
options := metav1.ListOptions{LabelSelector: selector.String()}
|
||||
podList, err := c.Core().Pods(ns).List(options)
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
Expect(len(podList.Items)).To(BeNumerically(">", 0))
|
||||
return podList
|
||||
}
|
||||
|
||||
func separateDaemonSetNodeLabels(labels map[string]string) (map[string]string, map[string]string) {
|
||||
daemonSetLabels := map[string]string{}
|
||||
otherLabels := map[string]string{}
|
||||
for k, v := range labels {
|
||||
if strings.HasPrefix(k, daemonsetLabelPrefix) {
|
||||
daemonSetLabels[k] = v
|
||||
} else {
|
||||
otherLabels[k] = v
|
||||
}
|
||||
}
|
||||
return daemonSetLabels, otherLabels
|
||||
}
|
||||
|
||||
func clearDaemonSetNodeLabels(c clientset.Interface) error {
|
||||
nodeList := framework.GetReadySchedulableNodesOrDie(c)
|
||||
for _, node := range nodeList.Items {
|
||||
_, err := setDaemonSetNodeLabels(c, node.Name, map[string]string{})
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func setDaemonSetNodeLabels(c clientset.Interface, nodeName string, labels map[string]string) (*v1.Node, error) {
|
||||
nodeClient := c.Core().Nodes()
|
||||
var newNode *v1.Node
|
||||
var newLabels map[string]string
|
||||
err := wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, func() (bool, error) {
|
||||
node, err := nodeClient.Get(nodeName, metav1.GetOptions{})
|
||||
if err != nil {
|
||||
return false, err
|
||||
}
|
||||
|
||||
// remove all labels this test is creating
|
||||
daemonSetLabels, otherLabels := separateDaemonSetNodeLabels(node.Labels)
|
||||
if reflect.DeepEqual(daemonSetLabels, labels) {
|
||||
newNode = node
|
||||
return true, nil
|
||||
}
|
||||
node.Labels = otherLabels
|
||||
for k, v := range labels {
|
||||
node.Labels[k] = v
|
||||
}
|
||||
newNode, err = nodeClient.Update(node)
|
||||
if err == nil {
|
||||
newLabels, _ = separateDaemonSetNodeLabels(newNode.Labels)
|
||||
return true, err
|
||||
}
|
||||
if se, ok := err.(*apierrs.StatusError); ok && se.ErrStatus.Reason == metav1.StatusReasonConflict {
|
||||
framework.Logf("failed to update node due to resource version conflict")
|
||||
return false, nil
|
||||
}
|
||||
return false, err
|
||||
})
|
||||
if err != nil {
|
||||
return nil, err
|
||||
} else if len(newLabels) != len(labels) {
|
||||
return nil, fmt.Errorf("Could not set daemon set test labels as expected.")
|
||||
}
|
||||
|
||||
return newNode, nil
|
||||
}
|
||||
|
||||
func checkDaemonPodOnNodes(f *framework.Framework, ds *extensions.DaemonSet, nodeNames []string) func() (bool, error) {
|
||||
return func() (bool, error) {
|
||||
podList, err := f.ClientSet.Core().Pods(f.Namespace.Name).List(metav1.ListOptions{})
|
||||
if err != nil {
|
||||
framework.Logf("could not get the pod list: %v", err)
|
||||
return false, nil
|
||||
}
|
||||
pods := podList.Items
|
||||
|
||||
nodesToPodCount := make(map[string]int)
|
||||
for _, pod := range pods {
|
||||
if !metav1.IsControlledBy(&pod, ds) {
|
||||
continue
|
||||
}
|
||||
if pod.DeletionTimestamp != nil {
|
||||
continue
|
||||
}
|
||||
if podutil.IsPodAvailable(&pod, ds.Spec.MinReadySeconds, metav1.Now()) {
|
||||
nodesToPodCount[pod.Spec.NodeName] += 1
|
||||
}
|
||||
}
|
||||
framework.Logf("Number of nodes with available pods: %d", len(nodesToPodCount))
|
||||
|
||||
// Ensure that exactly 1 pod is running on all nodes in nodeNames.
|
||||
for _, nodeName := range nodeNames {
|
||||
if nodesToPodCount[nodeName] != 1 {
|
||||
framework.Logf("Node %s is running more than one daemon pod", nodeName)
|
||||
return false, nil
|
||||
}
|
||||
}
|
||||
|
||||
framework.Logf("Number of running nodes: %d, number of available pods: %d", len(nodeNames), len(nodesToPodCount))
|
||||
// Ensure that sizes of the lists are the same. We've verified that every element of nodeNames is in
|
||||
// nodesToPodCount, so verifying the lengths are equal ensures that there aren't pods running on any
|
||||
// other nodes.
|
||||
return len(nodesToPodCount) == len(nodeNames), nil
|
||||
}
|
||||
}
|
||||
|
||||
func checkRunningOnAllNodes(f *framework.Framework, ds *extensions.DaemonSet) func() (bool, error) {
|
||||
return func() (bool, error) {
|
||||
nodeList, err := f.ClientSet.Core().Nodes().List(metav1.ListOptions{})
|
||||
framework.ExpectNoError(err)
|
||||
nodeNames := make([]string, 0)
|
||||
for _, node := range nodeList.Items {
|
||||
if !canScheduleOnNode(node, ds) {
|
||||
framework.Logf("DaemonSet pods can't tolerate node %s with taints %+v, skip checking this node", node.Name, node.Spec.Taints)
|
||||
continue
|
||||
}
|
||||
nodeNames = append(nodeNames, node.Name)
|
||||
}
|
||||
return checkDaemonPodOnNodes(f, ds, nodeNames)()
|
||||
}
|
||||
}
|
||||
|
||||
func checkAtLeastOneNewPod(c clientset.Interface, ns string, label map[string]string, newImage string) func() (bool, error) {
|
||||
return func() (bool, error) {
|
||||
pods := listDaemonPods(c, ns, label)
|
||||
for _, pod := range pods.Items {
|
||||
if pod.Spec.Containers[0].Image == newImage {
|
||||
return true, nil
|
||||
}
|
||||
}
|
||||
return false, nil
|
||||
}
|
||||
}
|
||||
|
||||
// canScheduleOnNode checks if a given DaemonSet can schedule pods on the given node
|
||||
func canScheduleOnNode(node v1.Node, ds *extensions.DaemonSet) bool {
|
||||
newPod := daemon.NewPod(ds, node.Name)
|
||||
nodeInfo := schedulercache.NewNodeInfo()
|
||||
nodeInfo.SetNode(&node)
|
||||
fit, _, err := daemon.Predicates(newPod, nodeInfo)
|
||||
if err != nil {
|
||||
framework.Failf("Can't test DaemonSet predicates for node %s: %v", node.Name, err)
|
||||
return false
|
||||
}
|
||||
return fit
|
||||
}
|
||||
|
||||
func checkRunningOnNoNodes(f *framework.Framework, ds *extensions.DaemonSet) func() (bool, error) {
|
||||
return checkDaemonPodOnNodes(f, ds, make([]string, 0))
|
||||
}
|
||||
|
||||
func checkDaemonStatus(f *framework.Framework, dsName string) error {
|
||||
ds, err := f.ClientSet.Extensions().DaemonSets(f.Namespace.Name).Get(dsName, metav1.GetOptions{})
|
||||
if err != nil {
|
||||
return fmt.Errorf("Could not get daemon set from v1.")
|
||||
}
|
||||
desired, scheduled, ready := ds.Status.DesiredNumberScheduled, ds.Status.CurrentNumberScheduled, ds.Status.NumberReady
|
||||
if desired != scheduled && desired != ready {
|
||||
return fmt.Errorf("Error in daemon status. DesiredScheduled: %d, CurrentScheduled: %d, Ready: %d", desired, scheduled, ready)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func checkDaemonPodsImageAndAvailability(c clientset.Interface, ds *extensions.DaemonSet, image string, maxUnavailable int) func() (bool, error) {
|
||||
return func() (bool, error) {
|
||||
podList, err := c.Core().Pods(ds.Namespace).List(metav1.ListOptions{})
|
||||
if err != nil {
|
||||
return false, err
|
||||
}
|
||||
pods := podList.Items
|
||||
|
||||
unavailablePods := 0
|
||||
allImagesUpdated := true
|
||||
for _, pod := range pods {
|
||||
if !metav1.IsControlledBy(&pod, ds) {
|
||||
continue
|
||||
}
|
||||
podImage := pod.Spec.Containers[0].Image
|
||||
if podImage != image {
|
||||
allImagesUpdated = false
|
||||
framework.Logf("Wrong image for pod: %s. Expected: %s, got: %s.", pod.Name, image, podImage)
|
||||
}
|
||||
if !podutil.IsPodAvailable(&pod, ds.Spec.MinReadySeconds, metav1.Now()) {
|
||||
framework.Logf("Pod %s is not available", pod.Name)
|
||||
unavailablePods++
|
||||
}
|
||||
}
|
||||
if unavailablePods > maxUnavailable {
|
||||
return false, fmt.Errorf("number of unavailable pods: %d is greater than maxUnavailable: %d", unavailablePods, maxUnavailable)
|
||||
}
|
||||
if !allImagesUpdated {
|
||||
return false, nil
|
||||
}
|
||||
return true, nil
|
||||
}
|
||||
}
|
||||
|
||||
func checkDaemonPodsTemplateGeneration(c clientset.Interface, ns string, label map[string]string, templateGeneration string) error {
|
||||
pods := listDaemonPods(c, ns, label)
|
||||
for _, pod := range pods.Items {
|
||||
// We don't care about inactive pods
|
||||
if !controller.IsPodActive(&pod) {
|
||||
continue
|
||||
}
|
||||
podTemplateGeneration := pod.Labels[extensions.DaemonSetTemplateGenerationKey]
|
||||
if podTemplateGeneration != templateGeneration {
|
||||
return fmt.Errorf("expected pod %s/%s template generation %s, but got %s", pod.Namespace, pod.Name, templateGeneration, podTemplateGeneration)
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func checkDaemonSetDeleted(c clientset.Interface, ns, name string) func() (bool, error) {
|
||||
return func() (bool, error) {
|
||||
_, err := c.Extensions().DaemonSets(ns).Get(name, metav1.GetOptions{})
|
||||
if !apierrs.IsNotFound(err) {
|
||||
return false, err
|
||||
}
|
||||
return true, nil
|
||||
}
|
||||
}
|
||||
|
||||
func checkDaemonSetPodsOrphaned(c clientset.Interface, ns string, label map[string]string) func() (bool, error) {
|
||||
return func() (bool, error) {
|
||||
pods := listDaemonPods(c, ns, label)
|
||||
for _, pod := range pods.Items {
|
||||
// This pod is orphaned only when controller ref is cleared
|
||||
if controllerRef := metav1.GetControllerOf(&pod); controllerRef != nil {
|
||||
return false, nil
|
||||
}
|
||||
}
|
||||
return true, nil
|
||||
}
|
||||
}
|
||||
|
||||
func checkDaemonSetHistoryOrphaned(c clientset.Interface, ns string, label map[string]string) func() (bool, error) {
|
||||
return func() (bool, error) {
|
||||
histories := listDaemonHistories(c, ns, label)
|
||||
for _, history := range histories.Items {
|
||||
// This history is orphaned only when controller ref is cleared
|
||||
if controllerRef := metav1.GetControllerOf(&history); controllerRef != nil {
|
||||
return false, nil
|
||||
}
|
||||
}
|
||||
return true, nil
|
||||
}
|
||||
}
|
||||
|
||||
func checkDaemonSetPodsAdopted(c clientset.Interface, ns string, dsUID types.UID, label map[string]string) func() (bool, error) {
|
||||
return func() (bool, error) {
|
||||
pods := listDaemonPods(c, ns, label)
|
||||
for _, pod := range pods.Items {
|
||||
// This pod is adopted only when its controller ref is update
|
||||
if controllerRef := metav1.GetControllerOf(&pod); controllerRef == nil || controllerRef.UID != dsUID {
|
||||
return false, nil
|
||||
}
|
||||
}
|
||||
return true, nil
|
||||
}
|
||||
}
|
||||
|
||||
func checkDaemonSetHistoryAdopted(c clientset.Interface, ns string, dsUID types.UID, label map[string]string) func() (bool, error) {
|
||||
return func() (bool, error) {
|
||||
histories := listDaemonHistories(c, ns, label)
|
||||
for _, history := range histories.Items {
|
||||
// This history is adopted only when its controller ref is update
|
||||
if controllerRef := metav1.GetControllerOf(&history); controllerRef == nil || controllerRef.UID != dsUID {
|
||||
return false, nil
|
||||
}
|
||||
}
|
||||
return true, nil
|
||||
}
|
||||
}
|
||||
|
||||
func waitDaemonSetAdoption(c clientset.Interface, ds *extensions.DaemonSet, podPrefix string, podTemplateGeneration int64) {
|
||||
ns := ds.Namespace
|
||||
label := ds.Spec.Template.Labels
|
||||
|
||||
err := wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkDaemonSetPodsAdopted(c, ns, ds.UID, label))
|
||||
Expect(err).NotTo(HaveOccurred(), "error waiting for DaemonSet pods to be adopted")
|
||||
err = wait.PollImmediate(dsRetryPeriod, dsRetryTimeout, checkDaemonSetHistoryAdopted(c, ns, ds.UID, label))
|
||||
Expect(err).NotTo(HaveOccurred(), "error waiting for DaemonSet history to be adopted")
|
||||
|
||||
framework.Logf("Make sure no daemon pod updated its template generation %d", podTemplateGeneration)
|
||||
err = checkDaemonPodsTemplateGeneration(c, ns, label, fmt.Sprint(podTemplateGeneration))
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
|
||||
framework.Logf("Make sure no pods are recreated by looking at their names")
|
||||
err = checkDaemonSetPodsName(c, ns, podPrefix, label)
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
}
|
||||
|
||||
func checkDaemonSetPodsName(c clientset.Interface, ns, prefix string, label map[string]string) error {
|
||||
pods := listDaemonPods(c, ns, label)
|
||||
for _, pod := range pods.Items {
|
||||
if !strings.HasPrefix(pod.Name, prefix) {
|
||||
return fmt.Errorf("expected pod %s name to be prefixed %q", pod.Name, prefix)
|
||||
}
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func checkDaemonSetPodsLabels(podList *v1.PodList, hash, templateGeneration string) {
|
||||
for _, pod := range podList.Items {
|
||||
podHash := pod.Labels[extensions.DefaultDaemonSetUniqueLabelKey]
|
||||
podTemplate := pod.Labels[extensions.DaemonSetTemplateGenerationKey]
|
||||
Expect(len(podHash)).To(BeNumerically(">", 0))
|
||||
if len(hash) > 0 {
|
||||
Expect(podHash).To(Equal(hash))
|
||||
}
|
||||
Expect(len(podTemplate)).To(BeNumerically(">", 0))
|
||||
Expect(podTemplate).To(Equal(templateGeneration))
|
||||
}
|
||||
}
|
||||
|
||||
func listDaemonHistories(c clientset.Interface, ns string, label map[string]string) *apps.ControllerRevisionList {
|
||||
selector := labels.Set(label).AsSelector()
|
||||
options := metav1.ListOptions{LabelSelector: selector.String()}
|
||||
historyList, err := c.AppsV1beta1().ControllerRevisions(ns).List(options)
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
Expect(len(historyList.Items)).To(BeNumerically(">", 0))
|
||||
return historyList
|
||||
}
|
||||
|
||||
func curHistory(historyList *apps.ControllerRevisionList, ds *extensions.DaemonSet) *apps.ControllerRevision {
|
||||
var curHistory *apps.ControllerRevision
|
||||
foundCurHistories := 0
|
||||
for i := range historyList.Items {
|
||||
history := &historyList.Items[i]
|
||||
// Every history should have the hash label
|
||||
Expect(len(history.Labels[extensions.DefaultDaemonSetUniqueLabelKey])).To(BeNumerically(">", 0))
|
||||
match, err := daemon.Match(ds, history)
|
||||
Expect(err).NotTo(HaveOccurred())
|
||||
if match {
|
||||
curHistory = history
|
||||
foundCurHistories++
|
||||
}
|
||||
}
|
||||
Expect(foundCurHistories).To(Equal(1))
|
||||
Expect(curHistory).NotTo(BeNil())
|
||||
return curHistory
|
||||
}
|
||||
Loading…
Add table
Add a link
Reference in a new issue