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Merge pull request #12622 from JanetKuo/kubectl-describe-rc-pod-volume 

Describe volumes in rc and pod
pull/6/head
Wojciech Tyczynski 2015-08-20 16:47:30 +02:00
parent 44fa48e5af bff0cab7ce
commit bf306d6598
1 changed files with 127 additions and 0 deletions
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127
pkg/kubectl/describe.go
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@ -432,6 +432,7 @@ func describePod(pod *api.Pod, rcs []api.ReplicationController, events *api.Even
c.Status)
}
}
describeVolumes(pod.Spec.Volumes, out)
if events != nil {
DescribeEvents(events, out)
}
@ -439,6 +440,129 @@ func describePod(pod *api.Pod, rcs []api.ReplicationController, events *api.Even
})
}
func describeVolumes(volumes []api.Volume, out io.Writer) {
if volumes == nil || len(volumes) == 0 {
fmt.Fprint(out, "No volumes.\n")
return
}
fmt.Fprint(out, "Volumes:\n")
for _, volume := range volumes {
fmt.Fprintf(out, " %v:\n", volume.Name)
switch {
case volume.VolumeSource.HostPath != nil:
printHostPathVolumeSource(volume.VolumeSource.HostPath, out)
case volume.VolumeSource.EmptyDir != nil:
printEmptyDirVolumeSource(volume.VolumeSource.EmptyDir, out)
case volume.VolumeSource.GCEPersistentDisk != nil:
printGCEPersistentDiskVolumeSource(volume.VolumeSource.GCEPersistentDisk, out)
case volume.VolumeSource.AWSElasticBlockStore != nil:
printAWSElasticBlockStoreVolumeSource(volume.VolumeSource.AWSElasticBlockStore, out)
case volume.VolumeSource.GitRepo != nil:
printGitRepoVolumeSource(volume.VolumeSource.GitRepo, out)
case volume.VolumeSource.Secret != nil:
printSecretVolumeSource(volume.VolumeSource.Secret, out)
case volume.VolumeSource.NFS != nil:
printNFSVolumeSource(volume.VolumeSource.NFS, out)
case volume.VolumeSource.ISCSI != nil:
printISCSIVolumeSource(volume.VolumeSource.ISCSI, out)
case volume.VolumeSource.Glusterfs != nil:
printGlusterfsVolumeSource(volume.VolumeSource.Glusterfs, out)
case volume.VolumeSource.PersistentVolumeClaim != nil:
printPersistentVolumeClaimVolumeSource(volume.VolumeSource.PersistentVolumeClaim, out)
case volume.VolumeSource.RBD != nil:
printRBDVolumeSource(volume.VolumeSource.RBD, out)
default:
fmt.Fprintf(out, " <Volume Type Not Found>\n")
}
}
}
func printHostPathVolumeSource(hostPath *api.HostPathVolumeSource, out io.Writer) {
fmt.Fprintf(out, " Type:\tHostPath (bare host directory volume)\n"+
" Path:\t%v\n", hostPath.Path)
}
func printEmptyDirVolumeSource(emptyDir *api.EmptyDirVolumeSource, out io.Writer) {
fmt.Fprintf(out, " Type:\tEmptyDir (a temporary directory that shares a pod's lifetime)\n"+
" Medium:\t%v\n", emptyDir.Medium)
}
func printGCEPersistentDiskVolumeSource(gce *api.GCEPersistentDiskVolumeSource, out io.Writer) {
fmt.Fprintf(out, " Type:\tGCEPersistentDisk (a Persistent Disk resource in Google Compute Engine)\n"+
" PDName:\t%v\n"+
" FSType:\t%v\n"+
" Partition:\t%v\n"+
" ReadOnly:\t%v\n",
gce.PDName, gce.FSType, gce.Partition, gce.ReadOnly)
}
func printAWSElasticBlockStoreVolumeSource(aws *api.AWSElasticBlockStoreVolumeSource, out io.Writer) {
fmt.Fprintf(out, " Type:\tAWSElasticBlockStore (a Persistent Disk resource in AWS)\n"+
" VolumeID:\t%v\n"+
" FSType:\t%v\n"+
" Partition:\t%v\n"+
" ReadOnly:\t%v\n",
aws.VolumeID, aws.FSType, aws.Partition, aws.ReadOnly)
}
func printGitRepoVolumeSource(git *api.GitRepoVolumeSource, out io.Writer) {
fmt.Fprintf(out, " Type:\tGitRepo (a volume that is pulled from git when the pod is created)\n"+
" Repository:\t%v\n"+
" Revision:\t%v\n",
git.Repository, git.Revision)
}
func printSecretVolumeSource(secret *api.SecretVolumeSource, out io.Writer) {
fmt.Fprintf(out, " Type:\tSecret (a secret that should populate this volume)\n"+
" SecretName:\t%v\n", secret.SecretName)
}
func printNFSVolumeSource(nfs *api.NFSVolumeSource, out io.Writer) {
fmt.Fprintf(out, " Type:\tNFS (an NFS mount that lasts the lifetime of a pod)\n"+
" Server:\t%v\n"+
" Path:\t%v\n"+
" ReadOnly:\t%v\n",
nfs.Server, nfs.Path, nfs.ReadOnly)
}
func printISCSIVolumeSource(iscsi *api.ISCSIVolumeSource, out io.Writer) {
fmt.Fprintf(out, " Type:\tISCSI (an ISCSI Disk resource that is attached to a kubelet's host machine and then exposed to the pod)\n"+
" TargetPortal:\t%v\n"+
" IQN:\t%v\n"+
" Lun:\t%v\n"+
" FSType:\t%v\n"+
" ReadOnly:\t%v\n",
iscsi.TargetPortal, iscsi.IQN, iscsi.Lun, iscsi.FSType, iscsi.ReadOnly)
}
func printGlusterfsVolumeSource(glusterfs *api.GlusterfsVolumeSource, out io.Writer) {
fmt.Fprintf(out, " Type:\tGlusterfs (a Glusterfs mount on the host that shares a pod's lifetime)\n"+
" EndpointsName:\t%v\n"+
" Path:\t%v\n"+
" ReadOnly:\t%v\n",
glusterfs.EndpointsName, glusterfs.Path, glusterfs.ReadOnly)
}
func printPersistentVolumeClaimVolumeSource(claim *api.PersistentVolumeClaimVolumeSource, out io.Writer) {
fmt.Fprintf(out, " Type:\tPersistentVolumeClaim (a reference to a PersistentVolumeClaim in the same namespace)\n"+
" ClaimName:\t%v\n"+
" ReadOnly:\t%v\n",
claim.ClaimName, claim.ReadOnly)
}
func printRBDVolumeSource(rbd *api.RBDVolumeSource, out io.Writer) {
fmt.Fprintf(out, " Type:\tRBD (a Rados Block Device mount on the host that shares a pod's lifetime)\n"+
" CephMonitors:\t%v\n"+
" RBDImage:\t%v\n"+
" FSType:\t%v\n"+
" RBDPool:\t%v\n"+
" RadosUser:\t%v\n"+
" Keyring:\t%v\n"+
" SecretRef:\t%v\n"+
" ReadOnly:\t%v\n",
rbd.CephMonitors, rbd.RBDImage, rbd.FSType, rbd.RBDPool, rbd.RadosUser, rbd.Keyring, rbd.SecretRef, rbd.ReadOnly)
}
type PersistentVolumeDescriber struct {
client.Interface
}
@ -631,6 +755,9 @@ func describeReplicationController(controller *api.ReplicationController, events
fmt.Fprintf(out, "Labels:\t%s\n", formatLabels(controller.Labels))
fmt.Fprintf(out, "Replicas:\t%d current / %d desired\n", controller.Status.Replicas, controller.Spec.Replicas)
fmt.Fprintf(out, "Pods Status:\t%d Running / %d Waiting / %d Succeeded / %d Failed\n", running, waiting, succeeded, failed)
if controller.Spec.Template != nil {
describeVolumes(controller.Spec.Template.Spec.Volumes, out)
}
if events != nil {
DescribeEvents(events, out)
}