Merge pull request #11919 from samsabed/descLaststatus

kubectl describe pod should print lastState
This commit is contained in:
Marek Grabowski 2015-08-10 14:56:44 +02:00
commit a0371b3985
3 changed files with 74 additions and 43 deletions

View File

@ -185,26 +185,30 @@ on the pod you are interested in:
```console
[12:54:41] $ ./cluster/kubectl.sh describe pod simmemleak-hra99
Name: simmemleak-hra99
Namespace: default
Image(s): saadali/simmemleak
Node: kubernetes-minion-tf0f/10.240.216.66
Labels: name=simmemleak
Status: Running
Name: simmemleak-hra99
Namespace: default
Image(s): saadali/simmemleak
Node: kubernetes-minion-tf0f/10.240.216.66
Labels: name=simmemleak
Status: Running
Reason:
Message:
IP: 10.244.2.75
Replication Controllers: simmemleak (1/1 replicas created)
IP: 10.244.2.75
Replication Controllers: simmemleak (1/1 replicas created)
Containers:
simmemleak:
Image: saadali/simmemleak
Limits:
cpu: 100m
memory: 50Mi
State: Running
Started: Tue, 07 Jul 2015 12:54:41 -0700
Ready: False
Restart Count: 5
cpu: 100m
memory: 50Mi
State: Running
Started: Tue, 07 Jul 2015 12:54:41 -0700
Last Termination State: Terminated
Exit Code: 1
Started: Fri, 07 Jul 2015 12:54:30 -0700
Finished: Fri, 07 Jul 2015 12:54:33 -0700
Ready: False
Restart Count: 5
Conditions:
Type Status
Ready False
@ -219,9 +223,7 @@ Events:
The `Restart Count: 5` indicates that the `simmemleak` container in this pod was terminated and restarted 5 times.
Once [#10861](http://issue.k8s.io/10861) is resolved the reason for the termination of the last container will also be printed in this output.
Until then you can call `get pod` with the `-o template -t ...` option to fetch the status of previously terminated containers:
You can call `get pod` with the `-o template -t ...` option to fetch the status of previously terminated containers:
```console
[13:59:01] $ ./cluster/kubectl.sh get pod -o template -t '{{range.status.containerStatuses}}{{"Container Name: "}}{{.name}}{{"\r\nLastState: "}}{{.lastState}}{{end}}' simmemleak-60xbc

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@ -500,33 +500,10 @@ func describeContainers(pod *api.Pod, out io.Writer) {
fmt.Fprintf(out, " %s:\t%s\n", name, quantity.String())
}
switch {
case state.Running != nil:
fmt.Fprintf(out, " State:\tRunning\n")
fmt.Fprintf(out, " Started:\t%v\n", state.Running.StartedAt.Time.Format(time.RFC1123Z))
case state.Waiting != nil:
fmt.Fprintf(out, " State:\tWaiting\n")
if state.Waiting.Reason != "" {
fmt.Fprintf(out, " Reason:\t%s\n", state.Waiting.Reason)
}
case state.Terminated != nil:
fmt.Fprintf(out, " State:\tTerminated\n")
if state.Terminated.Reason != "" {
fmt.Fprintf(out, " Reason:\t%s\n", state.Terminated.Reason)
}
if state.Terminated.Message != "" {
fmt.Fprintf(out, " Message:\t%s\n", state.Terminated.Message)
}
fmt.Fprintf(out, " Exit Code:\t%d\n", state.Terminated.ExitCode)
if state.Terminated.Signal > 0 {
fmt.Fprintf(out, " Signal:\t%d\n", state.Terminated.Signal)
}
fmt.Fprintf(out, " Started:\t%s\n", state.Terminated.StartedAt.Time.Format(time.RFC1123Z))
fmt.Fprintf(out, " Finished:\t%s\n", state.Terminated.FinishedAt.Time.Format(time.RFC1123Z))
default:
fmt.Fprintf(out, " State:\tWaiting\n")
describeStatus("State", state, out)
if status.LastTerminationState.Terminated != nil {
describeStatus("Last Termination State", status.LastTerminationState, out)
}
fmt.Fprintf(out, " Ready:\t%v\n", printBool(status.Ready))
fmt.Fprintf(out, " Restart Count:\t%d\n", status.RestartCount)
fmt.Fprintf(out, " Variables:\n")
@ -555,6 +532,35 @@ func envValueFrom(pod *api.Pod, e api.EnvVar) string {
return valueFrom
}
func describeStatus(stateName string, state api.ContainerState, out io.Writer) {
switch {
case state.Running != nil:
fmt.Fprintf(out, " %s:\tRunning\n", stateName)
fmt.Fprintf(out, " Started:\t%v\n", state.Running.StartedAt.Time.Format(time.RFC1123Z))
case state.Waiting != nil:
fmt.Fprintf(out, " %s:\tWaiting\n", stateName)
if state.Waiting.Reason != "" {
fmt.Fprintf(out, " Reason:\t%s\n", state.Waiting.Reason)
}
case state.Terminated != nil:
fmt.Fprintf(out, " %s:\tTerminated\n", stateName)
if state.Terminated.Reason != "" {
fmt.Fprintf(out, " Reason:\t%s\n", state.Terminated.Reason)
}
if state.Terminated.Message != "" {
fmt.Fprintf(out, " Message:\t%s\n", state.Terminated.Message)
}
fmt.Fprintf(out, " Exit Code:\t%d\n", state.Terminated.ExitCode)
if state.Terminated.Signal > 0 {
fmt.Fprintf(out, " Signal:\t%d\n", state.Terminated.Signal)
}
fmt.Fprintf(out, " Started:\t%s\n", state.Terminated.StartedAt.Time.Format(time.RFC1123Z))
fmt.Fprintf(out, " Finished:\t%s\n", state.Terminated.FinishedAt.Time.Format(time.RFC1123Z))
default:
fmt.Fprintf(out, " %s:\tWaiting\n", stateName)
}
}
func printBool(value bool) string {
if value {
return "True"

View File

@ -172,6 +172,29 @@ func TestDescribeContainers(t *testing.T) {
},
expectedElements: []string{"test", "State", "Terminated", "Ready", "True", "Restart Count", "7", "Image", "image", "Reason", "potato", "Started", "Finished", "Exit Code", "2"},
},
// Last Terminated
{
container: api.Container{Name: "test", Image: "image"},
status: api.ContainerStatus{
Name: "test",
State: api.ContainerState{
Running: &api.ContainerStateRunning{
StartedAt: util.NewTime(time.Now()),
},
},
LastTerminationState: api.ContainerState{
Terminated: &api.ContainerStateTerminated{
StartedAt: util.NewTime(time.Now().Add(time.Second * 3)),
FinishedAt: util.NewTime(time.Now()),
Reason: "crashing",
ExitCode: 3,
},
},
Ready: true,
RestartCount: 7,
},
expectedElements: []string{"test", "State", "Terminated", "Ready", "True", "Restart Count", "7", "Image", "image", "Started", "Finished", "Exit Code", "2", "crashing", "3"},
},
// No state defaults to waiting.
{
container: api.Container{Name: "test", Image: "image"},