// 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)
}
}
}
// 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 *pod, v1pod *v1alpha.Pod) {
v1pod.Pid = -1
switch p.getState() {
case Embryo:
v1pod.State = v1alpha.PodState_POD_STATE_EMBRYO
// When a pod is in embryo state, there is not much
// information to return.
return
case Preparing:
v1pod.State = v1alpha.PodState_POD_STATE_PREPARING
case AbortedPrepare:
v1pod.State = v1alpha.PodState_POD_STATE_ABORTED_PREPARE
case Prepared:
v1pod.State = v1alpha.PodState_POD_STATE_PREPARED
case Running:
v1pod.State = v1alpha.PodState_POD_STATE_RUNNING
v1pod.Networks = getNetworks(p)
case Deleting:
v1pod.State = v1alpha.PodState_POD_STATE_DELETING
case Exited:
v1pod.State = v1alpha.PodState_POD_STATE_EXITED
case Garbage:
v1pod.State = v1alpha.PodState_POD_STATE_GARBAGE
default:
v1pod.State = v1alpha.PodState_POD_STATE_UNDEFINED
return
}
createdAt, err := p.getCreationTime()
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.getStartTime()
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.getGCMarkedTime()
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.getPID()
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 {
if err := waitForMachinedRegistration(v1pod.Id); err != nil {
// If there's an error, it means we're not registered to machined
// in a reasonable time. Just output the cgroup we're in.
stderr.PrintE("checking for machined registration failed", err)
}
// Get cgroup for the "name=systemd" controller.
pid, err := p.getContainerPID1()
if err != nil {
stderr.PrintE(fmt.Sprintf("failed to get the container PID1 for pod %q", p.uuid), err)
} else {
cgroup, err := cgroup.GetCgroupPathByPid(pid, "name=systemd")
if err != nil {
stderr.PrintE(fmt.Sprintf("failed to get the cgroup path for pod %q", p.uuid), err)
} else {
// If the stage1 systemd > v226, it will put the PID1 into "init.scope"
// implicit scope unit in the root slice.
// See https://github.com/coreos/rkt/pull/2331#issuecomment-203540543
//
// TODO(yifan): Revisit this when using unified cgroup hierarchy.
v1pod.Cgroup = strings.TrimSuffix(cgroup, "/init.scope")
}
}
}
for _, app := range v1pod.Apps {
readStatus := false
if p.isRunning() {
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 {
statusDir, err := p.getStatusDir()
if err != nil {
stderr.PrintE("failed to get pod exit status directory", err)
} else {
value, err := p.readIntFromFile(filepath.Join(statusDir, app.Name))
if err != nil && !os.IsNotExist(err) {
stderr.PrintE(fmt.Sprintf("failed to read status for app %q", app.Name), err)
} else {
app.ExitCode = int32(value)
}
}
}
}
}