//openPodHostports opens all hostport for pod and returns the map of hostport and socket
func (plugin *kubenetNetworkPlugin) openPodHostports(pod *api.Pod) (map[hostport]closeable, error) {
var retErr error
hostportMap := make(map[hostport]closeable)
for _, container := range pod.Spec.Containers {
for _, port := range container.Ports {
if port.HostPort <= 0 {
// Ignore
continue
}
hp := hostport{
port: port.HostPort,
protocol: strings.ToLower(string(port.Protocol)),
}
socket, err := openLocalPort(&hp)
if err != nil {
retErr = fmt.Errorf("Cannot open hostport %d for pod %s: %v", port.HostPort, kubecontainer.GetPodFullName(pod), err)
break
}
hostportMap[hp] = socket
}
if retErr != nil {
break
}
}
// If encounter any error, close all hostports that just got opened.
if retErr != nil {
for hp, socket := range hostportMap {
if err := socket.Close(); err != nil {
glog.Errorf("Cannot clean up hostport %d for pod %s: %v", hp.port, kubecontainer.GetPodFullName(pod), err)
}
}
}
return hostportMap, retErr
}
// gatherAllHostports returns all hostports that should be presented on node
func (plugin *kubenetNetworkPlugin) gatherAllHostports() (map[api.ContainerPort]targetPod, error) {
podHostportMap := make(map[api.ContainerPort]targetPod)
pods, err := plugin.host.GetRuntime().GetPods(false)
if err != nil {
return nil, fmt.Errorf("Failed to retrieve pods from runtime: %v", err)
}
for _, p := range pods {
var podInfraContainerId kubecontainer.ContainerID
for _, c := range p.Containers {
if c.Name == dockertools.PodInfraContainerName {
podInfraContainerId = c.ID
break
}
}
// Assuming if kubenet has the pod's ip, the pod is alive and its host port should be presented.
podIP, ok := plugin.podIPs[podInfraContainerId]
if !ok {
// The POD has been delete. Ignore
continue
}
// Need the complete api.Pod object
pod, ok := plugin.host.GetPodByName(p.Namespace, p.Name)
if ok {
for _, container := range pod.Spec.Containers {
for _, port := range container.Ports {
if port.HostPort != 0 {
podHostportMap[port] = targetPod{podFullName: kubecontainer.GetPodFullName(pod), podIP: podIP}
}
}
}
}
}
return podHostportMap, nil
}
// handleRun handles requests to run a command inside a container.
func (s *Server) handleRun(w http.ResponseWriter, req *http.Request) {
u, err := url.ParseRequestURI(req.RequestURI)
if err != nil {
s.error(w, err)
return
}
podNamespace, podID, uid, container, err := parseContainerCoordinates(u.Path)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
pod, ok := s.host.GetPodByName(podNamespace, podID)
if !ok {
http.Error(w, "Pod does not exist", http.StatusNotFound)
return
}
command := strings.Split(u.Query().Get("cmd"), " ")
data, err := s.host.RunInContainer(kubecontainer.GetPodFullName(pod), uid, container, command)
if err != nil {
s.error(w, err)
return
}
w.Header().Add("Content-type", "text/plain")
w.Write(data)
}
// ProbeReadiness probes and sets the readiness of a container.
func (pb *prober) ProbeReadiness(pod *api.Pod, status api.PodStatus, container api.Container, containerID string) (probe.Result, error) {
var ready probe.Result
var output string
var err error
p := container.ReadinessProbe
if p == nil {
ready = probe.Success
} else {
ready, output, err = pb.runProbeWithRetries(p, pod, status, container, containerID, maxProbeRetries)
}
ctrName := fmt.Sprintf("%s:%s", kubecontainer.GetPodFullName(pod), container.Name)
if err != nil || ready == probe.Failure {
// Readiness failed in one way or another.
ref, ok := pb.refManager.GetRef(containerID)
if !ok {
glog.Warningf("No ref for pod '%v' - '%v'", containerID, container.Name)
}
if err != nil {
glog.V(1).Infof("readiness probe for %q errored: %v", ctrName, err)
if ok {
pb.recorder.Eventf(ref, "Unhealthy", "Readiness probe errored: %v", err)
}
} else { // ready != probe.Success
glog.V(1).Infof("Readiness probe for %q failed (%v): %s", ctrName, ready, output)
if ok {
pb.recorder.Eventf(ref, "Unhealthy", "Readiness probe failed: %s", output)
}
}
return probe.Failure, err
}
glog.V(3).Infof("Readiness probe for %q succeeded", ctrName)
return ready, nil
}
// syncBatch syncs pods statuses with the apiserver.
func (s *statusManager) syncBatch() error {
syncRequest := <-s.podStatusChannel
pod := syncRequest.pod
podFullName := kubecontainer.GetPodFullName(pod)
status := syncRequest.status
var err error
statusPod := &api.Pod{
ObjectMeta: pod.ObjectMeta,
}
// TODO: make me easier to express from client code
statusPod, err = s.kubeClient.Pods(statusPod.Namespace).Get(statusPod.Name)
if err == nil {
statusPod.Status = status
_, err = s.kubeClient.Pods(pod.Namespace).UpdateStatus(statusPod)
// TODO: handle conflict as a retry, make that easier too.
if err == nil {
glog.V(3).Infof("Status for pod %q updated successfully", kubeletUtil.FormatPodName(pod))
return nil
}
}
// We failed to update status. In order to make sure we retry next time
// we delete cached value. This may result in an additional update, but
// this is ok.
// Doing this synchronously will lead to a deadlock if the podStatusChannel
// is full, and the pod worker holding the lock is waiting on this method
// to clear the channel. Even if this delete never runs subsequent container
// changes on the node should trigger updates.
go s.DeletePodStatus(podFullName)
return fmt.Errorf("error updating status for pod %q: %v", kubeletUtil.FormatPodName(pod), err)
}
// getPortForward handles a new restful port forward request. It determines the
// pod name and uid and then calls ServePortForward.
func (s *Server) getPortForward(request *restful.Request, response *restful.Response) {
params := getRequestParams(request)
pod, ok := s.host.GetPodByName(params.podNamespace, params.podName)
if !ok {
response.WriteError(http.StatusNotFound, fmt.Errorf("pod does not exist"))
return
}
if len(params.podUID) > 0 && pod.UID != params.podUID {
response.WriteError(http.StatusNotFound, fmt.Errorf("pod not found"))
return
}
redirect, err := s.host.GetPortForward(pod.Name, pod.Namespace, pod.UID)
if err != nil {
response.WriteError(streaming.HTTPStatus(err), err)
return
}
if redirect != nil {
http.Redirect(response.ResponseWriter, request.Request, redirect.String(), http.StatusFound)
return
}
portforward.ServePortForward(response.ResponseWriter,
request.Request,
s.host,
kubecontainer.GetPodFullName(pod),
params.podUID,
s.host.StreamingConnectionIdleTimeout(),
remotecommand.DefaultStreamCreationTimeout)
}
func filterInvalidPods(pods []*api.Pod, source string, recorder record.EventRecorder) (filtered []*api.Pod) {
names := sets.String{}
for i, pod := range pods {
var errlist []error
if errs := validation.ValidatePod(pod); len(errs) != 0 {
errlist = append(errlist, errs...)
// If validation fails, don't trust it any further -
// even Name could be bad.
} else {
name := kubecontainer.GetPodFullName(pod)
if names.Has(name) {
errlist = append(errlist, fielderrors.NewFieldDuplicate("name", pod.Name))
} else {
names.Insert(name)
}
}
if len(errlist) > 0 {
name := bestPodIdentString(pod)
err := utilerrors.NewAggregate(errlist)
glog.Warningf("Pod[%d] (%s) from %s failed validation, ignoring: %v", i+1, name, source, err)
recorder.Eventf(pod, "FailedValidation", "Error validating pod %s from %s, ignoring: %v", name, source, err)
continue
}
filtered = append(filtered, pod)
}
return
}
// handleExec handles requests to run a command inside a container.
func (s *Server) handleExec(w http.ResponseWriter, req *http.Request) {
u, err := url.ParseRequestURI(req.RequestURI)
if err != nil {
s.error(w, err)
return
}
podNamespace, podID, uid, container, err := parseContainerCoordinates(u.Path)
if err != nil {
http.Error(w, err.Error(), http.StatusBadRequest)
return
}
pod, ok := s.host.GetPodByName(podNamespace, podID)
if !ok {
http.Error(w, "Pod does not exist", http.StatusNotFound)
return
}
stdinStream, stdoutStream, stderrStream, errorStream, conn, tty, ok := s.createStreams(w, req)
if conn != nil {
defer conn.Close()
}
if !ok {
return
}
err = s.host.ExecInContainer(kubecontainer.GetPodFullName(pod), uid, container, u.Query()[api.ExecCommandParamm], stdinStream, stdoutStream, stderrStream, tty)
if err != nil {
msg := fmt.Sprintf("Error executing command in container: %v", err)
glog.Error(msg)
errorStream.Write([]byte(msg))
}
}
// probeLiveness probes the liveness of a container.
func (pb *prober) probeLiveness(pod *api.Pod, status api.PodStatus, container api.Container, containerID kubecontainer.ContainerID) (probe.Result, error) {
var live probe.Result
var output string
var err error
p := container.LivenessProbe
if p == nil {
return probe.Success, nil
}
live, output, err = pb.runProbeWithRetries(p, pod, status, container, containerID, maxProbeRetries)
ctrName := fmt.Sprintf("%s:%s", kubecontainer.GetPodFullName(pod), container.Name)
if err != nil || live != probe.Success {
// Liveness failed in one way or another.
ref, ok := pb.refManager.GetRef(containerID)
if !ok {
glog.Warningf("No ref for pod %q - '%v'", containerID, container.Name)
}
if err != nil {
glog.V(1).Infof("Liveness probe for %q errored: %v", ctrName, err)
if ok {
pb.recorder.Eventf(ref, "Unhealthy", "Liveness probe errored: %v", err)
}
return probe.Unknown, err
} else { // live != probe.Success
glog.V(1).Infof("Liveness probe for %q failed (%v): %s", ctrName, live, output)
if ok {
pb.recorder.Eventf(ref, "Unhealthy", "Liveness probe failed: %s", output)
}
return live, nil
}
}
glog.V(3).Infof("Liveness probe for %q succeeded", ctrName)
return probe.Success, nil
}
func TestExecInContainerNoSuchPod(t *testing.T) {
testKubelet := newTestKubelet(t, false /* controllerAttachDetachEnabled */)
kubelet := testKubelet.kubelet
fakeRuntime := testKubelet.fakeRuntime
fakeCommandRunner := fakeContainerCommandRunner{}
kubelet.runner = &fakeCommandRunner
fakeRuntime.PodList = []*containertest.FakePod{}
podName := "podFoo"
podNamespace := "nsFoo"
containerID := "containerFoo"
err := kubelet.ExecInContainer(
kubecontainer.GetPodFullName(&api.Pod{ObjectMeta: api.ObjectMeta{Name: podName, Namespace: podNamespace}}),
"",
containerID,
[]string{"ls"},
nil,
nil,
nil,
false,
nil,
)
require.Error(t, err)
require.True(t, fakeCommandRunner.ID.IsEmpty(), "Unexpected invocation of runner.ExecInContainer")
}
// getExec handles requests to run a command inside a container.
func (s *Server) getExec(request *restful.Request, response *restful.Response) {
params := getRequestParams(request)
pod, ok := s.host.GetPodByName(params.podNamespace, params.podName)
if !ok {
response.WriteError(http.StatusNotFound, fmt.Errorf("pod does not exist"))
return
}
podFullName := kubecontainer.GetPodFullName(pod)
redirect, err := s.host.GetExec(podFullName, params.podUID, params.containerName, params.cmd, params.streamOpts)
if err != nil {
response.WriteError(streaming.HTTPStatus(err), err)
return
}
if redirect != nil {
http.Redirect(response.ResponseWriter, request.Request, redirect.String(), http.StatusFound)
return
}
remotecommand.ServeExec(response.ResponseWriter,
request.Request,
s.host,
podFullName,
params.podUID,
params.containerName,
s.host.StreamingConnectionIdleTimeout(),
remotecommand.DefaultStreamCreationTimeout,
remotecommand.SupportedStreamingProtocols)
}
func (pb *prober) runProbe(p *api.Probe, pod *api.Pod, status api.PodStatus, container api.Container, containerID kubecontainer.ContainerID) (probe.Result, string, error) {
timeout := time.Duration(p.TimeoutSeconds) * time.Second
if p.Exec != nil {
glog.V(4).Infof("Exec-Probe Pod: %v, Container: %v, Command: %v", pod, container, p.Exec.Command)
return pb.exec.Probe(pb.newExecInContainer(container, containerID, p.Exec.Command))
}
if p.HTTPGet != nil {
scheme := strings.ToLower(string(p.HTTPGet.Scheme))
host := p.HTTPGet.Host
if host == "" {
host = status.PodIP
}
port, err := extractPort(p.HTTPGet.Port, container)
if err != nil {
return probe.Unknown, "", err
}
path := p.HTTPGet.Path
glog.V(4).Infof("HTTP-Probe Host: %v://%v, Port: %v, Path: %v", scheme, host, port, path)
url := formatURL(scheme, host, port, path)
return pb.http.Probe(url, timeout)
}
if p.TCPSocket != nil {
port, err := extractPort(p.TCPSocket.Port, container)
if err != nil {
return probe.Unknown, "", err
}
glog.V(4).Infof("TCP-Probe PodIP: %v, Port: %v, Timeout: %v", status.PodIP, port, timeout)
return pb.tcp.Probe(status.PodIP, port, timeout)
}
glog.Warningf("Failed to find probe builder for container: %v", container)
return probe.Unknown, "", fmt.Errorf("Missing probe handler for %s:%s", kubecontainer.GetPodFullName(pod), container.Name)
}
func filterInvalidPods(pods []*api.Pod, source string, recorder record.EventRecorder) (filtered []*api.Pod) {
names := sets.String{}
for i, pod := range pods {
var errlist field.ErrorList
if errs := validation.ValidatePod(pod); len(errs) != 0 {
errlist = append(errlist, errs...)
// If validation fails, don't trust it any further -
// even Name could be bad.
} else {
name := kubecontainer.GetPodFullName(pod)
if names.Has(name) {
// TODO: when validation becomes versioned, this gets a bit
// more complicated.
errlist = append(errlist, field.Duplicate(field.NewPath("metadata", "name"), pod.Name))
} else {
names.Insert(name)
}
}
if len(errlist) > 0 {
name := bestPodIdentString(pod)
err := errlist.ToAggregate()
glog.Warningf("Pod[%d] (%s) from %s failed validation, ignoring: %v", i+1, name, source, err)
recorder.Eventf(pod, api.EventTypeWarning, kubecontainer.FailedValidation, "Error validating pod %s from %s, ignoring: %v", name, source, err)
continue
}
filtered = append(filtered, pod)
}
return
}
func (fmc *fakeMirrorClient) CreateMirrorPod(pod *api.Pod) error {
fmc.mirrorPodLock.Lock()
defer fmc.mirrorPodLock.Unlock()
podFullName := kubecontainer.GetPodFullName(pod)
fmc.mirrorPods.Insert(podFullName)
fmc.createCounts[podFullName]++
return nil
}
func (h *fakeHandler) SyncHostports(natInterfaceName string, runningPods []*hostport.RunningPod) error {
for _, r := range runningPods {
if r.IP.To4() == nil {
return fmt.Errorf("Invalid or missing pod %s IP", kubecontainer.GetPodFullName(r.Pod))
}
}
return nil
}
func TestNewStatus(t *testing.T) {
syncer := newTestStatusManager()
syncer.SetPodStatus(testPod, getRandomPodStatus())
verifyUpdates(t, syncer, 1)
status, _ := syncer.GetPodStatus(kubecontainer.GetPodFullName(testPod))
if status.StartTime.IsZero() {
t.Errorf("SetPodStatus did not set a proper start time value")
}
}
// getContainerLogs handles containerLogs request against the Kubelet
func (s *Server) getContainerLogs(request *restful.Request, response *restful.Response) {
podNamespace := request.PathParameter("podNamespace")
podID := request.PathParameter("podID")
containerName := request.PathParameter("containerName")
if len(podID) == 0 {
// TODO: Why return JSON when the rest return plaintext errors?
response.WriteError(http.StatusBadRequest, fmt.Errorf(`{"message": "Missing podID."}`))
return
}
if len(containerName) == 0 {
// TODO: Why return JSON when the rest return plaintext errors?
response.WriteError(http.StatusBadRequest, fmt.Errorf(`{"message": "Missing container name."}`))
return
}
if len(podNamespace) == 0 {
// TODO: Why return JSON when the rest return plaintext errors?
response.WriteError(http.StatusBadRequest, fmt.Errorf(`{"message": "Missing podNamespace."}`))
return
}
follow, _ := strconv.ParseBool(request.QueryParameter("follow"))
previous, _ := strconv.ParseBool(request.QueryParameter("previous"))
tail := request.QueryParameter("tail")
pod, ok := s.host.GetPodByName(podNamespace, podID)
if !ok {
response.WriteError(http.StatusNotFound, fmt.Errorf("Pod %q does not exist", podID))
return
}
// Check if containerName is valid.
containerExists := false
for _, container := range pod.Spec.Containers {
if container.Name == containerName {
containerExists = true
}
}
if !containerExists {
response.WriteError(http.StatusNotFound, fmt.Errorf("Container %q not found in Pod %q", containerName, podID))
return
}
if _, ok := response.ResponseWriter.(http.Flusher); !ok {
response.WriteError(http.StatusInternalServerError, fmt.Errorf("unable to convert %v into http.Flusher", response))
return
}
fw := flushwriter.Wrap(response)
response.Header().Set("Transfer-Encoding", "chunked")
response.WriteHeader(http.StatusOK)
err := s.host.GetKubeletContainerLogs(kubecontainer.GetPodFullName(pod), containerName, tail, follow, previous, fw, fw)
if err != nil {
response.WriteError(http.StatusInternalServerError, err)
return
}
}
func podStatusData(pod *api.Pod, status api.PodStatus) ([]byte, string, error) {
podFullName := container.GetPodFullName(pod)
data, err := json.Marshal(api.PodStatusResult{
ObjectMeta: api.ObjectMeta{
Name: podFullName,
SelfLink: "/podstatusresult",
},
Status: status,
})
return data, podFullName, err
}
func (pm *basicManager) UpdatePod(pod *api.Pod) {
pm.lock.Lock()
defer pm.lock.Unlock()
podFullName := kubecontainer.GetPodFullName(pod)
if IsMirrorPod(pod) {
pm.mirrorPodByUID[pod.UID] = pod
pm.mirrorPodByFullName[podFullName] = pod
} else {
pm.podByUID[pod.UID] = pod
pm.podByFullName[podFullName] = pod
}
}
// getPortForward handles a new restful port forward request. It determines the
// pod name and uid and then calls ServePortForward.
func (s *Server) getPortForward(request *restful.Request, response *restful.Response) {
podNamespace, podID, uid := getPodCoordinates(request)
pod, ok := s.host.GetPodByName(podNamespace, podID)
if !ok {
response.WriteError(http.StatusNotFound, fmt.Errorf("pod does not exist"))
return
}
podName := kubecontainer.GetPodFullName(pod)
ServePortForward(response.ResponseWriter, request.Request, s.host, podName, uid, s.host.StreamingConnectionIdleTimeout(), defaultStreamCreationTimeout)
}
func (pm *basicManager) DeletePod(pod *api.Pod) {
pm.lock.Lock()
defer pm.lock.Unlock()
podFullName := kubecontainer.GetPodFullName(pod)
if IsMirrorPod(pod) {
delete(pm.mirrorPodByUID, pod.UID)
delete(pm.mirrorPodByFullName, podFullName)
} else {
delete(pm.podByUID, pod.UID)
delete(pm.podByFullName, podFullName)
}
}
//openPodHostports opens all hostport for pod and returns the map of hostport and socket
func (h *handler) openHostports(pod *api.Pod) error {
var retErr error
ports := make(map[hostport]closeable)
for _, container := range pod.Spec.Containers {
for _, port := range container.Ports {
if port.HostPort <= 0 {
// Ignore
continue
}
hp := hostport{
port: port.HostPort,
protocol: strings.ToLower(string(port.Protocol)),
}
socket, err := h.portOpener(&hp)
if err != nil {
retErr = fmt.Errorf("Cannot open hostport %d for pod %s: %v", port.HostPort, kubecontainer.GetPodFullName(pod), err)
break
}
ports[hp] = socket
}
if retErr != nil {
break
}
}
// If encounter any error, close all hostports that just got opened.
if retErr != nil {
for hp, socket := range ports {
if err := socket.Close(); err != nil {
glog.Errorf("Cannot clean up hostport %d for pod %s: %v", hp.port, kubecontainer.GetPodFullName(pod), err)
}
}
return retErr
}
for hostPort, socket := range ports {
h.hostPortMap[hostPort] = socket
}
return nil
}
// gatherAllHostports returns all hostports that should be presented on node,
// given the list of pods running on that node and ignoring host network
// pods (which don't need hostport <-> container port mapping).
func gatherAllHostports(activePods []*ActivePod) (map[api.ContainerPort]targetPod, error) {
podHostportMap := make(map[api.ContainerPort]targetPod)
for _, r := range activePods {
if r.IP.To4() == nil {
return nil, fmt.Errorf("Invalid or missing pod %s IP", kubecontainer.GetPodFullName(r.Pod))
}
// should not handle hostports for hostnetwork pods
if r.Pod.Spec.SecurityContext != nil && r.Pod.Spec.SecurityContext.HostNetwork {
continue
}
for _, container := range r.Pod.Spec.Containers {
for _, port := range container.Ports {
if port.HostPort != 0 {
podHostportMap[port] = targetPod{podFullName: kubecontainer.GetPodFullName(r.Pod), podIP: r.IP.String()}
}
}
}
}
return podHostportMap, nil
}
// isPodRunning returns true if all containers of a manifest are running.
func (kl *Kubelet) isPodRunning(pod *api.Pod, runningPod container.Pod) (bool, error) {
status, err := kl.containerRuntime.GetPodStatus(pod)
if err != nil {
glog.Infof("Failed to get the status of pod %q: %v", kubecontainer.GetPodFullName(pod), err)
return false, err
}
for _, st := range status.ContainerStatuses {
if st.State.Running == nil {
glog.Infof("Container %q not running: %#v", st.Name, st.State)
return false, nil
}
}
return true, nil
}
func TestSyncPodWithPullPolicy(t *testing.T) {
dm, fakeDocker := newTestDockerManager()
puller := dm.dockerPuller.(*FakeDockerPuller)
puller.HasImages = []string{"existing_one", "want:latest"}
dm.podInfraContainerImage = "pod_infra_image"
pod := &api.Pod{
ObjectMeta: api.ObjectMeta{
UID: "12345678",
Name: "foo",
Namespace: "new",
},
Spec: api.PodSpec{
Containers: []api.Container{
{Name: "bar", Image: "pull_always_image", ImagePullPolicy: api.PullAlways},
{Name: "bar2", Image: "pull_if_not_present_image", ImagePullPolicy: api.PullIfNotPresent},
{Name: "bar3", Image: "existing_one", ImagePullPolicy: api.PullIfNotPresent},
{Name: "bar4", Image: "want:latest", ImagePullPolicy: api.PullIfNotPresent},
{Name: "bar5", Image: "pull_never_image", ImagePullPolicy: api.PullNever},
},
},
}
expectedResults := []*kubecontainer.SyncResult{
//Sync result for infra container
{kubecontainer.StartContainer, PodInfraContainerName, nil, ""},
{kubecontainer.SetupNetwork, kubecontainer.GetPodFullName(pod), nil, ""},
//Sync result for user containers
{kubecontainer.StartContainer, "bar", nil, ""},
{kubecontainer.StartContainer, "bar2", nil, ""},
{kubecontainer.StartContainer, "bar3", nil, ""},
{kubecontainer.StartContainer, "bar4", nil, ""},
{kubecontainer.StartContainer, "bar5", kubecontainer.ErrImageNeverPull,
"Container image \"pull_never_image\" is not present with pull policy of Never"},
}
result := runSyncPod(t, dm, fakeDocker, pod, nil, true)
verifySyncResults(t, expectedResults, result)
fakeDocker.Lock()
defer fakeDocker.Unlock()
pulledImageSorted := puller.ImagesPulled[:]
sort.Strings(pulledImageSorted)
assert.Equal(t, []string{"pod_infra_image", "pull_always_image", "pull_if_not_present_image"}, pulledImageSorted)
if len(fakeDocker.Created) != 5 {
t.Errorf("Unexpected containers created %v", fakeDocker.Created)
}
}
func (pm *basicManager) updatePodsInternal(pods ...*api.Pod) {
for _, pod := range pods {
podFullName := kubecontainer.GetPodFullName(pod)
if IsMirrorPod(pod) {
pm.mirrorPodByUID[pod.UID] = pod
pm.mirrorPodByFullName[podFullName] = pod
if p, ok := pm.podByFullName[podFullName]; ok {
pm.translationByUID[pod.UID] = p.UID
}
} else {
pm.podByUID[pod.UID] = pod
pm.podByFullName[podFullName] = pod
}
}
}
// If the UID belongs to a mirror pod, maps it to the UID of its static pod.
// Otherwise, return the original UID. All public-facing functions should
// perform this translation for UIDs because user may provide a mirror pod UID,
// which is not recognized by internal Kubelet functions.
func (pm *basicManager) TranslatePodUID(uid types.UID) types.UID {
if uid == "" {
return uid
}
pm.lock.RLock()
defer pm.lock.RUnlock()
if mirrorPod, ok := pm.mirrorPodByUID[uid]; ok {
podFullName := kubecontainer.GetPodFullName(mirrorPod)
if pod, ok := pm.podByFullName[podFullName]; ok {
return pod.UID
}
}
return uid
}
// getRun handles requests to run a command inside a container.
func (s *Server) getRun(request *restful.Request, response *restful.Response) {
podNamespace, podID, uid, container := getContainerCoordinates(request)
pod, ok := s.host.GetPodByName(podNamespace, podID)
if !ok {
response.WriteError(http.StatusNotFound, fmt.Errorf("pod does not exist"))
return
}
command := strings.Split(request.QueryParameter("cmd"), " ")
data, err := s.host.RunInContainer(kubecontainer.GetPodFullName(pod), uid, container, command)
if err != nil {
response.WriteError(http.StatusInternalServerError, err)
return
}
response.Write(data)
}
func TestChangedStatusKeepsStartTime(t *testing.T) {
syncer := newTestStatusManager()
now := util.Now()
firstStatus := getRandomPodStatus()
firstStatus.StartTime = &now
syncer.SetPodStatus(testPod, firstStatus)
syncer.SetPodStatus(testPod, getRandomPodStatus())
verifyUpdates(t, syncer, 2)
finalStatus, _ := syncer.GetPodStatus(kubecontainer.GetPodFullName(testPod))
if finalStatus.StartTime.IsZero() {
t.Errorf("StartTime should not be zero")
}
if !finalStatus.StartTime.Time.Equal(now.Time) {
t.Errorf("Expected %v, but got %v", now.Time, finalStatus.StartTime.Time)
}
}
func (pm *basicManager) DeletePod(pod *v1.Pod) {
pm.lock.Lock()
defer pm.lock.Unlock()
if pm.secretManager != nil {
pm.secretManager.UnregisterPod(pod)
}
podFullName := kubecontainer.GetPodFullName(pod)
if IsMirrorPod(pod) {
delete(pm.mirrorPodByUID, pod.UID)
delete(pm.mirrorPodByFullName, podFullName)
delete(pm.translationByUID, pod.UID)
} else {
delete(pm.podByUID, pod.UID)
delete(pm.podByFullName, podFullName)
}
}