// NewPodFromInternalPod converts *pkgPod.Pod to *Pod
func NewPodFromInternalPod(p *pkgPod.Pod) (*Pod, error) {
pod := &Pod{
UUID: p.UUID.String(),
State: p.State(),
Networks: p.Nets,
}
startTime, err := p.StartTime()
if err != nil {
return nil, err
}
if !startTime.IsZero() {
startedAt := startTime.Unix()
pod.StartedAt = &startedAt
}
if !p.PodManifestAvailable() {
return pod, nil
}
// TODO(vc): we should really hold a shared lock here to prevent gc of the pod
_, manifest, err := p.PodManifest()
if err != nil {
return nil, err
}
for _, app := range manifest.Apps {
pod.AppNames = append(pod.AppNames, app.Name.String())
}
if len(manifest.UserAnnotations) > 0 {
pod.UserAnnotations = make(map[string]string)
for name, value := range manifest.UserAnnotations {
pod.UserAnnotations[name] = value
}
}
if len(manifest.UserLabels) > 0 {
pod.UserLabels = make(map[string]string)
for name, value := range manifest.UserLabels {
pod.UserLabels[name] = value
}
}
return pod, nil
}
// fillPodDetails fills the v1pod's dynamic info in place, e.g. the pod's state,
// the pod's network info, the apps' state, etc. Such information can change
// during the lifecycle of the pod, so we need to read it in every request.
func fillPodDetails(store *imagestore.Store, p *pkgPod.Pod, v1pod *v1alpha.Pod) {
v1pod.Pid = -1
switch p.State() {
case pkgPod.Embryo:
v1pod.State = v1alpha.PodState_POD_STATE_EMBRYO
// When a pod is in embryo state, there is not much
// information to return.
return
case pkgPod.Preparing:
v1pod.State = v1alpha.PodState_POD_STATE_PREPARING
case pkgPod.AbortedPrepare:
v1pod.State = v1alpha.PodState_POD_STATE_ABORTED_PREPARE
case pkgPod.Prepared:
v1pod.State = v1alpha.PodState_POD_STATE_PREPARED
case pkgPod.Running:
v1pod.State = v1alpha.PodState_POD_STATE_RUNNING
v1pod.Networks = getNetworks(p)
case pkgPod.Deleting:
v1pod.State = v1alpha.PodState_POD_STATE_DELETING
case pkgPod.Exited:
v1pod.State = v1alpha.PodState_POD_STATE_EXITED
case pkgPod.Garbage, pkgPod.ExitedGarbage:
v1pod.State = v1alpha.PodState_POD_STATE_GARBAGE
default:
v1pod.State = v1alpha.PodState_POD_STATE_UNDEFINED
return
}
createdAt, err := p.CreationTime()
if err != nil {
stderr.PrintE(fmt.Sprintf("failed to get the creation time for pod %q", p.UUID), err)
} else if !createdAt.IsZero() {
v1pod.CreatedAt = createdAt.UnixNano()
}
startedAt, err := p.StartTime()
if err != nil {
stderr.PrintE(fmt.Sprintf("failed to get the start time for pod %q", p.UUID), err)
} else if !startedAt.IsZero() {
v1pod.StartedAt = startedAt.UnixNano()
}
gcMarkedAt, err := p.GCMarkedTime()
if err != nil {
stderr.PrintE(fmt.Sprintf("failed to get the gc marked time for pod %q", p.UUID), err)
} else if !gcMarkedAt.IsZero() {
v1pod.GcMarkedAt = gcMarkedAt.UnixNano()
}
pid, err := p.Pid()
if err != nil {
stderr.PrintE(fmt.Sprintf("failed to get the PID for pod %q", p.UUID), err)
} else {
v1pod.Pid = int32(pid)
}
if v1pod.State == v1alpha.PodState_POD_STATE_RUNNING {
pid, err := p.ContainerPid1()
if err != nil {
stderr.PrintE(fmt.Sprintf("failed to get the container PID1 for pod %q", p.UUID), err)
} else {
cgroup, err := getPodCgroup(p, pid)
if err != nil {
stderr.PrintE(fmt.Sprintf("failed to get the cgroup path for pod %q", p.UUID), err)
} else {
v1pod.Cgroup = cgroup
}
}
}
for _, app := range v1pod.Apps {
readStatus := false
if p.State() == pkgPod.Running {
readStatus = true
app.State = v1alpha.AppState_APP_STATE_RUNNING
} else if p.AfterRun() {
readStatus = true
app.State = v1alpha.AppState_APP_STATE_EXITED
} else {
app.State = v1alpha.AppState_APP_STATE_UNDEFINED
}
if readStatus {
exitCode, err := p.AppExitCode(app.Name)
if err != nil {
stderr.PrintE(fmt.Sprintf("failed to read status for app %q", app.Name), err)
}
app.ExitCode = int32(exitCode)
}
}
}
// printStatus prints the pod's pid and per-app status codes
func printStatus(p *pkgPod.Pod) error {
if flagFormat != outputFormatTabbed {
pod, err := lib.NewPodFromInternalPod(p)
if err != nil {
return fmt.Errorf("error converting pod: %v", err)
}
switch flagFormat {
case outputFormatJSON:
result, err := json.Marshal(pod)
if err != nil {
return fmt.Errorf("error marshaling the pod: %v", err)
}
stdout.Print(string(result))
case outputFormatPrettyJSON:
result, err := json.MarshalIndent(pod, "", "\t")
if err != nil {
return fmt.Errorf("error marshaling the pod: %v", err)
}
stdout.Print(string(result))
}
return nil
}
state := p.State()
stdout.Printf("state=%s", state)
created, err := p.CreationTime()
if err != nil {
return fmt.Errorf("unable to get creation time for pod %q: %v", p.UUID, err)
}
createdStr := created.Format(defaultTimeLayout)
stdout.Printf("created=%s", createdStr)
started, err := p.StartTime()
if err != nil {
return fmt.Errorf("unable to get start time for pod %q: %v", p.UUID, err)
}
var startedStr string
if !started.IsZero() {
startedStr = started.Format(defaultTimeLayout)
stdout.Printf("started=%s", startedStr)
}
if state == pkgPod.Running {
stdout.Printf("networks=%s", fmtNets(p.Nets))
}
if state == pkgPod.Running || state == pkgPod.Deleting || state == pkgPod.ExitedDeleting || state == pkgPod.Exited || state == pkgPod.ExitedGarbage {
var pid int
pidCh := make(chan int, 1)
// Wait slightly because the pid file might not be written yet when the state changes to 'Running'.
go func() {
for {
pid, err := p.Pid()
if err == nil {
pidCh <- pid
return
}
time.Sleep(time.Millisecond * 100)
}
}()
select {
case pid = <-pidCh:
case <-time.After(time.Second):
return fmt.Errorf("unable to get PID for pod %q: %v", p.UUID, err)
}
stdout.Printf("pid=%d\nexited=%t", pid, (state == pkgPod.Exited || state == pkgPod.ExitedGarbage))
if state != pkgPod.Running {
stats, err := getExitStatuses(p)
if err != nil {
return fmt.Errorf("unable to get exit statuses for pod %q: %v", p.UUID, err)
}
for app, stat := range stats {
stdout.Printf("app-%s=%d", app, stat)
}
}
}
return nil
}
// printStatus prints the pod's pid and per-app status codes
func printStatus(p *pkgPod.Pod) error {
state := p.State()
stdout.Printf("state=%s", state)
created, err := p.CreationTime()
if err != nil {
return fmt.Errorf("unable to get creation time for pod %q: %v", p.UUID, err)
}
createdStr := created.Format(defaultTimeLayout)
stdout.Printf("created=%s", createdStr)
started, err := p.StartTime()
if err != nil {
return fmt.Errorf("unable to get start time for pod %q: %v", p.UUID, err)
}
var startedStr string
if !started.IsZero() {
startedStr = started.Format(defaultTimeLayout)
stdout.Printf("started=%s", startedStr)
}
if state == pkgPod.Running {
stdout.Printf("networks=%s", fmtNets(p.Nets))
}
if state == pkgPod.Running || state == pkgPod.Deleting || state == pkgPod.ExitedDeleting || state == pkgPod.Exited || state == pkgPod.ExitedGarbage {
var pid int
pidCh := make(chan int, 1)
// Wait slightly because the pid file might not be written yet when the state changes to 'Running'.
go func() {
for {
pid, err := p.Pid()
if err == nil {
pidCh <- pid
return
}
time.Sleep(time.Millisecond * 100)
}
}()
select {
case pid = <-pidCh:
case <-time.After(time.Second):
return fmt.Errorf("unable to get PID for pod %q: %v", p.UUID, err)
}
stdout.Printf("pid=%d\nexited=%t", pid, (state == pkgPod.Exited || state == pkgPod.ExitedGarbage))
if state != pkgPod.Running {
stats, err := getExitStatuses(p)
if err != nil {
return fmt.Errorf("unable to get exit statuses for pod %q: %v", p.UUID, err)
}
for app, stat := range stats {
stdout.Printf("app-%s=%d", app, stat)
}
}
}
return nil
}