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Merge pull request #105736 from deejross/drain-output-ffix

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kubectl drain node output should say node was drained not evicted
This commit is contained in:
Kubernetes Prow Robot 2021-10-27 14:19:11 -07:00 committed by GitHub
commit 3fb98823c4
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2 changed files with 133 additions and 111 deletions
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11
staging/src/k8s.io/kubectl/pkg/cmd/drain/drain.go
View File

@ -297,17 +297,18 @@ func (o *DrainCmdOptions) RunDrain() error {
return err
}
printObj, err := o.ToPrinter("drained")
if err != nil {
return err
}
drainedNodes := sets.NewString()
var fatal error
for _, info := range o.nodeInfos {
if err := o.deleteOrEvictPodsSimple(info); err == nil {
drainedNodes.Insert(info.Name)
printObj, err := o.ToPrinter("drained")
if err != nil {
return err
}
printObj(info.Object, o.Out)
} else {
if o.drainer.IgnoreErrors && len(o.nodeInfos) > 1 {

233
staging/src/k8s.io/kubectl/pkg/cmd/drain/drain_test.go
View File

@ -546,16 +546,18 @@ func TestDrain(t *testing.T) {
expectWarning string
expectFatal bool
expectDelete bool
expectOutputToContain string
}{
{
description: "RC-managed pod",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{rcPod},
rcs: []corev1.ReplicationController{rc},
args: []string{"node"},
expectFatal: false,
expectDelete: true,
description: "RC-managed pod",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{rcPod},
rcs: []corev1.ReplicationController{rc},
args: []string{"node"},
expectFatal: false,
expectDelete: true,
expectOutputToContain: "node/node drained",
},
{
description: "DS-managed pod",
@ -568,14 +570,15 @@ func TestDrain(t *testing.T) {
expectDelete: false,
},
{
description: "DS-managed terminated pod",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{dsTerminatedPod},
rcs: []corev1.ReplicationController{rc},
args: []string{"node"},
expectFatal: false,
expectDelete: true,
description: "DS-managed terminated pod",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{dsTerminatedPod},
rcs: []corev1.ReplicationController{rc},
args: []string{"node"},
expectFatal: false,
expectDelete: true,
expectOutputToContain: "node/node drained",
},
{
description: "orphaned DS-managed pod",
@ -588,76 +591,83 @@ func TestDrain(t *testing.T) {
expectDelete: false,
},
{
description: "orphaned DS-managed pod with --force",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{orphanedDsPod},
rcs: []corev1.ReplicationController{},
args: []string{"node", "--force"},
expectFatal: false,
expectDelete: true,
expectWarning: "WARNING: deleting Pods not managed by ReplicationController, ReplicaSet, Job, DaemonSet or StatefulSet: default/bar",
description: "orphaned DS-managed pod with --force",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{orphanedDsPod},
rcs: []corev1.ReplicationController{},
args: []string{"node", "--force"},
expectFatal: false,
expectDelete: true,
expectWarning: "WARNING: deleting Pods not managed by ReplicationController, ReplicaSet, Job, DaemonSet or StatefulSet: default/bar",
expectOutputToContain: "node/node drained",
},
{
description: "DS-managed pod with --ignore-daemonsets",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{dsPod},
rcs: []corev1.ReplicationController{rc},
args: []string{"node", "--ignore-daemonsets"},
expectFatal: false,
expectDelete: false,
description: "DS-managed pod with --ignore-daemonsets",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{dsPod},
rcs: []corev1.ReplicationController{rc},
args: []string{"node", "--ignore-daemonsets"},
expectFatal: false,
expectDelete: false,
expectOutputToContain: "node/node drained",
},
{
description: "DS-managed pod with emptyDir with --ignore-daemonsets",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{dsPodWithEmptyDir},
rcs: []corev1.ReplicationController{rc},
args: []string{"node", "--ignore-daemonsets"},
expectWarning: "WARNING: ignoring DaemonSet-managed Pods: default/bar",
expectFatal: false,
expectDelete: false,
description: "DS-managed pod with emptyDir with --ignore-daemonsets",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{dsPodWithEmptyDir},
rcs: []corev1.ReplicationController{rc},
args: []string{"node", "--ignore-daemonsets"},
expectWarning: "WARNING: ignoring DaemonSet-managed Pods: default/bar",
expectFatal: false,
expectDelete: false,
expectOutputToContain: "node/node drained",
},
{
description: "Job-managed pod with local storage",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{jobPod},
rcs: []corev1.ReplicationController{rc},
args: []string{"node", "--force", "--delete-emptydir-data=true"},
expectFatal: false,
expectDelete: true,
description: "Job-managed pod with local storage",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{jobPod},
rcs: []corev1.ReplicationController{rc},
args: []string{"node", "--force", "--delete-emptydir-data=true"},
expectFatal: false,
expectDelete: true,
expectOutputToContain: "node/node drained",
},
{
description: "Ensure compatibility for --delete-local-data until fully deprecated",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{jobPod},
rcs: []corev1.ReplicationController{rc},
args: []string{"node", "--force", "--delete-local-data=true"},
expectFatal: false,
expectDelete: true,
description: "Ensure compatibility for --delete-local-data until fully deprecated",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{jobPod},
rcs: []corev1.ReplicationController{rc},
args: []string{"node", "--force", "--delete-local-data=true"},
expectFatal: false,
expectDelete: true,
expectOutputToContain: "node/node drained",
},
{
description: "Job-managed terminated pod",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{terminatedJobPodWithLocalStorage},
rcs: []corev1.ReplicationController{rc},
args: []string{"node"},
expectFatal: false,
expectDelete: true,
description: "Job-managed terminated pod",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{terminatedJobPodWithLocalStorage},
rcs: []corev1.ReplicationController{rc},
args: []string{"node"},
expectFatal: false,
expectDelete: true,
expectOutputToContain: "node/node drained",
},
{
description: "RS-managed pod",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{rsPod},
replicaSets: []appsv1.ReplicaSet{rs},
args: []string{"node"},
expectFatal: false,
expectDelete: true,
description: "RS-managed pod",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{rsPod},
replicaSets: []appsv1.ReplicaSet{rs},
args: []string{"node"},
expectFatal: false,
expectDelete: true,
expectOutputToContain: "node/node drained",
},
{
description: "naked pod",
@ -670,14 +680,15 @@ func TestDrain(t *testing.T) {
expectDelete: false,
},
{
description: "naked pod with --force",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{nakedPod},
rcs: []corev1.ReplicationController{},
args: []string{"node", "--force"},
expectFatal: false,
expectDelete: true,
description: "naked pod with --force",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{nakedPod},
rcs: []corev1.ReplicationController{},
args: []string{"node", "--force"},
expectFatal: false,
expectDelete: true,
expectOutputToContain: "node/node drained",
},
{
description: "pod with EmptyDir",
@ -689,33 +700,36 @@ func TestDrain(t *testing.T) {
expectDelete: false,
},
{
description: "terminated pod with emptyDir",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{emptydirTerminatedPod},
rcs: []corev1.ReplicationController{rc},
args: []string{"node"},
expectFatal: false,
expectDelete: true,
description: "terminated pod with emptyDir",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{emptydirTerminatedPod},
rcs: []corev1.ReplicationController{rc},
args: []string{"node"},
expectFatal: false,
expectDelete: true,
expectOutputToContain: "node/node drained",
},
{
description: "pod with EmptyDir and --delete-emptydir-data",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{emptydirPod},
args: []string{"node", "--force", "--delete-emptydir-data=true"},
expectFatal: false,
expectDelete: true,
description: "pod with EmptyDir and --delete-emptydir-data",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{emptydirPod},
args: []string{"node", "--force", "--delete-emptydir-data=true"},
expectFatal: false,
expectDelete: true,
expectOutputToContain: "node/node drained",
},
{
description: "empty node",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{},
rcs: []corev1.ReplicationController{rc},
args: []string{"node"},
expectFatal: false,
expectDelete: false,
description: "empty node",
node: node,
expected: cordonedNode,
pods: []corev1.Pod{},
rcs: []corev1.ReplicationController{rc},
args: []string{"node"},
expectFatal: false,
expectDelete: false,
expectOutputToContain: "node/node drained",
},
{
description: "fail to list pods",
@ -859,7 +873,7 @@ func TestDrain(t *testing.T) {
}
tf.ClientConfigVal = cmdtesting.DefaultClientConfig()
ioStreams, _, _, errBuf := genericclioptions.NewTestIOStreams()
ioStreams, _, outBuf, errBuf := genericclioptions.NewTestIOStreams()
cmd := NewCmdDrain(tf, ioStreams)
var recovered interface{}
@ -925,6 +939,13 @@ func TestDrain(t *testing.T) {
t.Fatalf("%s: actual warning message did not match expected warning message.\n Expecting:\n%v\n Got:\n%v", test.description, e, a)
}
}
if len(test.expectOutputToContain) > 0 {
out := outBuf.String()
if !strings.Contains(out, test.expectOutputToContain) {
t.Fatalf("%s: expected output to contain: %s\nGot:\n%s", test.description, test.expectOutputToContain, out)
}
}
})
}
}