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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
parent b8ce285a03 0cf3dba1f1
commit 3fb98823c4
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 {

23
staging/src/k8s.io/kubectl/pkg/cmd/drain/drain_test.go
View File

@@ -546,6 +546,7 @@ func TestDrain(t *testing.T) {
expectWarning string
expectFatal bool
expectDelete bool
expectOutputToContain string
}{
{
description: "RC-managed pod",
@@ -556,6 +557,7 @@ func TestDrain(t *testing.T) {
args: []string{"node"},
expectFatal: false,
expectDelete: true,
expectOutputToContain: "node/node drained",
},
{
description: "DS-managed pod",
@@ -576,6 +578,7 @@ func TestDrain(t *testing.T) {
args: []string{"node"},
expectFatal: false,
expectDelete: true,
expectOutputToContain: "node/node drained",
},
{
description: "orphaned DS-managed pod",
@@ -597,6 +600,7 @@ func TestDrain(t *testing.T) {
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",
@@ -607,6 +611,7 @@ func TestDrain(t *testing.T) {
args: []string{"node", "--ignore-daemonsets"},
expectFatal: false,
expectDelete: false,
expectOutputToContain: "node/node drained",
},
{
description: "DS-managed pod with emptyDir with --ignore-daemonsets",
@@ -618,6 +623,7 @@ func TestDrain(t *testing.T) {
expectWarning: "WARNING: ignoring DaemonSet-managed Pods: default/bar",
expectFatal: false,
expectDelete: false,
expectOutputToContain: "node/node drained",
},
{
description: "Job-managed pod with local storage",
@@ -628,6 +634,7 @@ func TestDrain(t *testing.T) {
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",
@@ -638,6 +645,7 @@ func TestDrain(t *testing.T) {
args: []string{"node", "--force", "--delete-local-data=true"},
expectFatal: false,
expectDelete: true,
expectOutputToContain: "node/node drained",
},
{
description: "Job-managed terminated pod",
@@ -648,6 +656,7 @@ func TestDrain(t *testing.T) {
args: []string{"node"},
expectFatal: false,
expectDelete: true,
expectOutputToContain: "node/node drained",
},
{
description: "RS-managed pod",
@@ -658,6 +667,7 @@ func TestDrain(t *testing.T) {
args: []string{"node"},
expectFatal: false,
expectDelete: true,
expectOutputToContain: "node/node drained",
},
{
description: "naked pod",
@@ -678,6 +688,7 @@ func TestDrain(t *testing.T) {
args: []string{"node", "--force"},
expectFatal: false,
expectDelete: true,
expectOutputToContain: "node/node drained",
},
{
description: "pod with EmptyDir",
@@ -697,6 +708,7 @@ func TestDrain(t *testing.T) {
args: []string{"node"},
expectFatal: false,
expectDelete: true,
expectOutputToContain: "node/node drained",
},
{
description: "pod with EmptyDir and --delete-emptydir-data",
@@ -706,6 +718,7 @@ func TestDrain(t *testing.T) {
args: []string{"node", "--force", "--delete-emptydir-data=true"},
expectFatal: false,
expectDelete: true,
expectOutputToContain: "node/node drained",
},
{
description: "empty node",
@@ -716,6 +729,7 @@ func TestDrain(t *testing.T) {
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)
}
}
})
}
}