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Update go dependencies

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This commit is contained in:
Manuel Alejandro de Brito Fontes 2018-12-05 13:27:09 -03:00
parent 432f534383
commit f4a4daed84
1299 changed files with 71186 additions and 91183 deletions
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268
vendor/k8s.io/kubernetes/pkg/kubelet/kubelet.go generated vendored
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@ -31,8 +31,6 @@ import (
"sync/atomic"
"time"
"github.com/golang/glog"
cadvisorapi "github.com/google/cadvisor/info/v1"
cadvisorapiv2 "github.com/google/cadvisor/info/v2"
"k8s.io/api/core/v1"
@ -54,13 +52,15 @@ import (
"k8s.io/client-go/util/certificate"
"k8s.io/client-go/util/flowcontrol"
"k8s.io/client-go/util/integer"
cloudprovider "k8s.io/cloud-provider"
csiclientset "k8s.io/csi-api/pkg/client/clientset/versioned"
"k8s.io/klog"
api "k8s.io/kubernetes/pkg/apis/core"
"k8s.io/kubernetes/pkg/cloudprovider"
"k8s.io/kubernetes/pkg/features"
kubeletconfiginternal "k8s.io/kubernetes/pkg/kubelet/apis/config"
internalapi "k8s.io/kubernetes/pkg/kubelet/apis/cri"
pluginwatcherapi "k8s.io/kubernetes/pkg/kubelet/apis/pluginregistration/v1alpha1"
pluginwatcherapi "k8s.io/kubernetes/pkg/kubelet/apis/pluginregistration/v1"
"k8s.io/kubernetes/pkg/kubelet/apis/podresources"
"k8s.io/kubernetes/pkg/kubelet/cadvisor"
kubeletcertificate "k8s.io/kubernetes/pkg/kubelet/certificate"
"k8s.io/kubernetes/pkg/kubelet/checkpointmanager"
@ -98,6 +98,7 @@ import (
"k8s.io/kubernetes/pkg/kubelet/sysctl"
"k8s.io/kubernetes/pkg/kubelet/token"
kubetypes "k8s.io/kubernetes/pkg/kubelet/types"
"k8s.io/kubernetes/pkg/kubelet/util"
"k8s.io/kubernetes/pkg/kubelet/util/format"
"k8s.io/kubernetes/pkg/kubelet/util/manager"
"k8s.io/kubernetes/pkg/kubelet/util/pluginwatcher"
@ -193,6 +194,7 @@ type Bootstrap interface {
StartGarbageCollection()
ListenAndServe(address net.IP, port uint, tlsOptions *server.TLSOptions, auth server.AuthInterface, enableDebuggingHandlers, enableContentionProfiling bool)
ListenAndServeReadOnly(address net.IP, port uint)
ListenAndServePodResources()
Run(<-chan kubetypes.PodUpdate)
RunOnce(<-chan kubetypes.PodUpdate) ([]RunPodResult, error)
}
@ -276,13 +278,13 @@ func makePodSourceConfig(kubeCfg *kubeletconfiginternal.KubeletConfiguration, ku
// define file config source
if kubeCfg.StaticPodPath != "" {
glog.Infof("Adding pod path: %v", kubeCfg.StaticPodPath)
klog.Infof("Adding pod path: %v", kubeCfg.StaticPodPath)
config.NewSourceFile(kubeCfg.StaticPodPath, nodeName, kubeCfg.FileCheckFrequency.Duration, cfg.Channel(kubetypes.FileSource))
}
// define url config source
if kubeCfg.StaticPodURL != "" {
glog.Infof("Adding pod url %q with HTTP header %v", kubeCfg.StaticPodURL, manifestURLHeader)
klog.Infof("Adding pod url %q with HTTP header %v", kubeCfg.StaticPodURL, manifestURLHeader)
config.NewSourceURL(kubeCfg.StaticPodURL, manifestURLHeader, nodeName, kubeCfg.HTTPCheckFrequency.Duration, cfg.Channel(kubetypes.HTTPSource))
}
@ -292,7 +294,7 @@ func makePodSourceConfig(kubeCfg *kubeletconfiginternal.KubeletConfiguration, ku
var updatechannel chan<- interface{}
if bootstrapCheckpointPath != "" {
glog.Infof("Adding checkpoint path: %v", bootstrapCheckpointPath)
klog.Infof("Adding checkpoint path: %v", bootstrapCheckpointPath)
updatechannel = cfg.Channel(kubetypes.ApiserverSource)
err := cfg.Restore(bootstrapCheckpointPath, updatechannel)
if err != nil {
@ -301,7 +303,7 @@ func makePodSourceConfig(kubeCfg *kubeletconfiginternal.KubeletConfiguration, ku
}
if kubeDeps.KubeClient != nil {
glog.Infof("Watching apiserver")
klog.Infof("Watching apiserver")
if updatechannel == nil {
updatechannel = cfg.Channel(kubetypes.ApiserverSource)
}
@ -392,7 +394,7 @@ func NewMainKubelet(kubeCfg *kubeletconfiginternal.KubeletConfiguration,
return nil, fmt.Errorf("error fetching current instance name from cloud provider: %v", err)
}
glog.V(2).Infof("cloud provider determined current node name to be %s", nodeName)
klog.V(2).Infof("cloud provider determined current node name to be %s", nodeName)
}
if kubeDeps.PodConfig == nil {
@ -471,7 +473,7 @@ func NewMainKubelet(kubeCfg *kubeletconfiginternal.KubeletConfiguration,
for _, ipEntry := range kubeCfg.ClusterDNS {
ip := net.ParseIP(ipEntry)
if ip == nil {
glog.Warningf("Invalid clusterDNS ip '%q'", ipEntry)
klog.Warningf("Invalid clusterDNS ip '%q'", ipEntry)
} else {
clusterDNS = append(clusterDNS, ip)
}
@ -480,52 +482,53 @@ func NewMainKubelet(kubeCfg *kubeletconfiginternal.KubeletConfiguration,
parsedNodeIP := net.ParseIP(nodeIP)
protocol := utilipt.ProtocolIpv4
if parsedNodeIP != nil && parsedNodeIP.To4() == nil {
glog.V(0).Infof("IPv6 node IP (%s), assume IPv6 operation", nodeIP)
klog.V(0).Infof("IPv6 node IP (%s), assume IPv6 operation", nodeIP)
protocol = utilipt.ProtocolIpv6
}
klet := &Kubelet{
hostname: hostname,
hostnameOverridden: len(hostnameOverride) > 0,
nodeName: nodeName,
kubeClient: kubeDeps.KubeClient,
csiClient: kubeDeps.CSIClient,
heartbeatClient: kubeDeps.HeartbeatClient,
onRepeatedHeartbeatFailure: kubeDeps.OnHeartbeatFailure,
rootDirectory: rootDirectory,
resyncInterval: kubeCfg.SyncFrequency.Duration,
sourcesReady: config.NewSourcesReady(kubeDeps.PodConfig.SeenAllSources),
registerNode: registerNode,
registerWithTaints: registerWithTaints,
registerSchedulable: registerSchedulable,
dnsConfigurer: dns.NewConfigurer(kubeDeps.Recorder, nodeRef, parsedNodeIP, clusterDNS, kubeCfg.ClusterDomain, kubeCfg.ResolverConfig),
serviceLister: serviceLister,
nodeInfo: nodeInfo,
masterServiceNamespace: masterServiceNamespace,
streamingConnectionIdleTimeout: kubeCfg.StreamingConnectionIdleTimeout.Duration,
recorder: kubeDeps.Recorder,
cadvisor: kubeDeps.CAdvisorInterface,
cloud: kubeDeps.Cloud,
externalCloudProvider: cloudprovider.IsExternal(cloudProvider),
providerID: providerID,
nodeRef: nodeRef,
nodeLabels: nodeLabels,
nodeStatusUpdateFrequency: kubeCfg.NodeStatusUpdateFrequency.Duration,
os: kubeDeps.OSInterface,
oomWatcher: oomWatcher,
cgroupsPerQOS: kubeCfg.CgroupsPerQOS,
cgroupRoot: kubeCfg.CgroupRoot,
mounter: kubeDeps.Mounter,
maxPods: int(kubeCfg.MaxPods),
podsPerCore: int(kubeCfg.PodsPerCore),
syncLoopMonitor: atomic.Value{},
daemonEndpoints: daemonEndpoints,
containerManager: kubeDeps.ContainerManager,
containerRuntimeName: containerRuntime,
redirectContainerStreaming: crOptions.RedirectContainerStreaming,
nodeIP: parsedNodeIP,
nodeIPValidator: validateNodeIP,
clock: clock.RealClock{},
hostname: hostname,
hostnameOverridden: len(hostnameOverride) > 0,
nodeName: nodeName,
kubeClient: kubeDeps.KubeClient,
csiClient: kubeDeps.CSIClient,
heartbeatClient: kubeDeps.HeartbeatClient,
onRepeatedHeartbeatFailure: kubeDeps.OnHeartbeatFailure,
rootDirectory: rootDirectory,
resyncInterval: kubeCfg.SyncFrequency.Duration,
sourcesReady: config.NewSourcesReady(kubeDeps.PodConfig.SeenAllSources),
registerNode: registerNode,
registerWithTaints: registerWithTaints,
registerSchedulable: registerSchedulable,
dnsConfigurer: dns.NewConfigurer(kubeDeps.Recorder, nodeRef, parsedNodeIP, clusterDNS, kubeCfg.ClusterDomain, kubeCfg.ResolverConfig),
serviceLister: serviceLister,
nodeInfo: nodeInfo,
masterServiceNamespace: masterServiceNamespace,
streamingConnectionIdleTimeout: kubeCfg.StreamingConnectionIdleTimeout.Duration,
recorder: kubeDeps.Recorder,
cadvisor: kubeDeps.CAdvisorInterface,
cloud: kubeDeps.Cloud,
externalCloudProvider: cloudprovider.IsExternal(cloudProvider),
providerID: providerID,
nodeRef: nodeRef,
nodeLabels: nodeLabels,
nodeStatusUpdateFrequency: kubeCfg.NodeStatusUpdateFrequency.Duration,
nodeStatusReportFrequency: kubeCfg.NodeStatusReportFrequency.Duration,
os: kubeDeps.OSInterface,
oomWatcher: oomWatcher,
cgroupsPerQOS: kubeCfg.CgroupsPerQOS,
cgroupRoot: kubeCfg.CgroupRoot,
mounter: kubeDeps.Mounter,
maxPods: int(kubeCfg.MaxPods),
podsPerCore: int(kubeCfg.PodsPerCore),
syncLoopMonitor: atomic.Value{},
daemonEndpoints: daemonEndpoints,
containerManager: kubeDeps.ContainerManager,
containerRuntimeName: containerRuntime,
redirectContainerStreaming: crOptions.RedirectContainerStreaming,
nodeIP: parsedNodeIP,
nodeIPValidator: validateNodeIP,
clock: clock.RealClock{},
enableControllerAttachDetach: kubeCfg.EnableControllerAttachDetach,
iptClient: utilipt.New(utilexec.New(), utildbus.New(), protocol),
makeIPTablesUtilChains: kubeCfg.MakeIPTablesUtilChains,
@ -563,7 +566,7 @@ func NewMainKubelet(kubeCfg *kubeletconfiginternal.KubeletConfiguration,
klet.configMapManager = configMapManager
if klet.experimentalHostUserNamespaceDefaulting {
glog.Infof("Experimental host user namespace defaulting is enabled.")
klog.Infof("Experimental host user namespace defaulting is enabled.")
}
machineInfo, err := klet.cadvisor.MachineInfo()
@ -607,7 +610,7 @@ func NewMainKubelet(kubeCfg *kubeletconfiginternal.KubeletConfiguration,
klet.resourceAnalyzer = serverstats.NewResourceAnalyzer(klet, kubeCfg.VolumeStatsAggPeriod.Duration)
if containerRuntime == "rkt" {
glog.Fatalln("rktnetes has been deprecated in favor of rktlet. Please see https://github.com/kubernetes-incubator/rktlet for more information.")
klog.Fatalln("rktnetes has been deprecated in favor of rktlet. Please see https://github.com/kubernetes-incubator/rktlet for more information.")
}
// if left at nil, that means it is unneeded
@ -627,10 +630,10 @@ func NewMainKubelet(kubeCfg *kubeletconfiginternal.KubeletConfiguration,
}
// The unix socket for kubelet <-> dockershim communication.
glog.V(5).Infof("RemoteRuntimeEndpoint: %q, RemoteImageEndpoint: %q",
klog.V(5).Infof("RemoteRuntimeEndpoint: %q, RemoteImageEndpoint: %q",
remoteRuntimeEndpoint,
remoteImageEndpoint)
glog.V(2).Infof("Starting the GRPC server for the docker CRI shim.")
klog.V(2).Infof("Starting the GRPC server for the docker CRI shim.")
server := dockerremote.NewDockerServer(remoteRuntimeEndpoint, ds)
if err := server.Start(); err != nil {
return nil, err
@ -717,8 +720,8 @@ func NewMainKubelet(kubeCfg *kubeletconfiginternal.KubeletConfiguration,
klet.pleg = pleg.NewGenericPLEG(klet.containerRuntime, plegChannelCapacity, plegRelistPeriod, klet.podCache, clock.RealClock{})
klet.runtimeState = newRuntimeState(maxWaitForContainerRuntime)
klet.runtimeState.addHealthCheck("PLEG", klet.pleg.Healthy)
if err := klet.updatePodCIDR(kubeCfg.PodCIDR); err != nil {
glog.Errorf("Pod CIDR update failed %v", err)
if _, err := klet.updatePodCIDR(kubeCfg.PodCIDR); err != nil {
klog.Errorf("Pod CIDR update failed %v", err)
}
// setup containerGC
@ -777,7 +780,7 @@ func NewMainKubelet(kubeCfg *kubeletconfiginternal.KubeletConfiguration,
tokenManager := token.NewManager(kubeDeps.KubeClient)
if !utilfeature.DefaultFeatureGate.Enabled(features.MountPropagation) {
glog.Warning("Mount propagation feature gate has been deprecated and will be removed in the next release")
return nil, fmt.Errorf("mount propagation feature gate has been deprecated and will be removed in 1.14")
}
klet.volumePluginMgr, err =
@ -786,7 +789,10 @@ func NewMainKubelet(kubeCfg *kubeletconfiginternal.KubeletConfiguration,
return nil, err
}
if klet.enablePluginsWatcher {
klet.pluginWatcher = pluginwatcher.NewWatcher(klet.getPluginsDir())
klet.pluginWatcher = pluginwatcher.NewWatcher(
klet.getPluginsRegistrationDir(), /* sockDir */
klet.getPluginsDir(), /* deprecatedSockDir */
)
}
// If the experimentalMounterPathFlag is set, we do not want to
@ -1036,8 +1042,9 @@ type Kubelet struct {
// used for generating ContainerStatus.
reasonCache *ReasonCache
// nodeStatusUpdateFrequency specifies how often kubelet posts node status to master.
// Note: be cautious when changing the constant, it must work with nodeMonitorGracePeriod
// nodeStatusUpdateFrequency specifies how often kubelet computes node status. If node lease
// feature is not enabled, it is also the frequency that kubelet posts node status to master.
// In that case, be cautious when changing the constant, it must work with nodeMonitorGracePeriod
// in nodecontroller. There are several constraints:
// 1. nodeMonitorGracePeriod must be N times more than nodeStatusUpdateFrequency, where
// N means number of retries allowed for kubelet to post node status. It is pointless
@ -1049,6 +1056,13 @@ type Kubelet struct {
// as it takes time to gather all necessary node information.
nodeStatusUpdateFrequency time.Duration
// nodeStatusUpdateFrequency is the frequency that kubelet posts node
// status to master. It is only used when node lease feature is enabled.
nodeStatusReportFrequency time.Duration
// lastStatusReportTime is the time when node status was last reported.
lastStatusReportTime time.Time
// syncNodeStatusMux is a lock on updating the node status, because this path is not thread-safe.
// This lock is used by Kublet.syncNodeStatus function and shouldn't be used anywhere else.
syncNodeStatusMux sync.Mutex
@ -1234,6 +1248,7 @@ func allGlobalUnicastIPs() ([]net.IP, error) {
// 1. the root directory
// 2. the pods directory
// 3. the plugins directory
// 4. the pod-resources directory
func (kl *Kubelet) setupDataDirs() error {
kl.rootDirectory = path.Clean(kl.rootDirectory)
if err := os.MkdirAll(kl.getRootDir(), 0750); err != nil {
@ -1248,6 +1263,12 @@ func (kl *Kubelet) setupDataDirs() error {
if err := os.MkdirAll(kl.getPluginsDir(), 0750); err != nil {
return fmt.Errorf("error creating plugins directory: %v", err)
}
if err := os.MkdirAll(kl.getPluginsRegistrationDir(), 0750); err != nil {
return fmt.Errorf("error creating plugins registry directory: %v", err)
}
if err := os.MkdirAll(kl.getPodResourcesDir(), 0750); err != nil {
return fmt.Errorf("error creating podresources directory: %v", err)
}
return nil
}
@ -1256,23 +1277,23 @@ func (kl *Kubelet) StartGarbageCollection() {
loggedContainerGCFailure := false
go wait.Until(func() {
if err := kl.containerGC.GarbageCollect(); err != nil {
glog.Errorf("Container garbage collection failed: %v", err)
klog.Errorf("Container garbage collection failed: %v", err)
kl.recorder.Eventf(kl.nodeRef, v1.EventTypeWarning, events.ContainerGCFailed, err.Error())
loggedContainerGCFailure = true
} else {
var vLevel glog.Level = 4
var vLevel klog.Level = 4
if loggedContainerGCFailure {
vLevel = 1
loggedContainerGCFailure = false
}
glog.V(vLevel).Infof("Container garbage collection succeeded")
klog.V(vLevel).Infof("Container garbage collection succeeded")
}
}, ContainerGCPeriod, wait.NeverStop)
// when the high threshold is set to 100, stub the image GC manager
if kl.kubeletConfiguration.ImageGCHighThresholdPercent == 100 {
glog.V(2).Infof("ImageGCHighThresholdPercent is set 100, Disable image GC")
klog.V(2).Infof("ImageGCHighThresholdPercent is set 100, Disable image GC")
return
}
@ -1280,21 +1301,21 @@ func (kl *Kubelet) StartGarbageCollection() {
go wait.Until(func() {
if err := kl.imageManager.GarbageCollect(); err != nil {
if prevImageGCFailed {
glog.Errorf("Image garbage collection failed multiple times in a row: %v", err)
klog.Errorf("Image garbage collection failed multiple times in a row: %v", err)
// Only create an event for repeated failures
kl.recorder.Eventf(kl.nodeRef, v1.EventTypeWarning, events.ImageGCFailed, err.Error())
} else {
glog.Errorf("Image garbage collection failed once. Stats initialization may not have completed yet: %v", err)
klog.Errorf("Image garbage collection failed once. Stats initialization may not have completed yet: %v", err)
}
prevImageGCFailed = true
} else {
var vLevel glog.Level = 4
var vLevel klog.Level = 4
if prevImageGCFailed {
vLevel = 1
prevImageGCFailed = false
}
glog.V(vLevel).Infof("Image garbage collection succeeded")
klog.V(vLevel).Infof("Image garbage collection succeeded")
}
}, ImageGCPeriod, wait.NeverStop)
}
@ -1303,7 +1324,11 @@ func (kl *Kubelet) StartGarbageCollection() {
// Note that the modules here must not depend on modules that are not initialized here.
func (kl *Kubelet) initializeModules() error {
// Prometheus metrics.
metrics.Register(kl.runtimeCache, collectors.NewVolumeStatsCollector(kl))
metrics.Register(
kl.runtimeCache,
collectors.NewVolumeStatsCollector(kl),
collectors.NewLogMetricsCollector(kl.StatsProvider.ListPodStats),
)
// Setup filesystem directories.
if err := kl.setupDataDirs(); err != nil {
@ -1313,7 +1338,7 @@ func (kl *Kubelet) initializeModules() error {
// If the container logs directory does not exist, create it.
if _, err := os.Stat(ContainerLogsDir); err != nil {
if err := kl.os.MkdirAll(ContainerLogsDir, 0755); err != nil {
glog.Errorf("Failed to create directory %q: %v", ContainerLogsDir, err)
klog.Errorf("Failed to create directory %q: %v", ContainerLogsDir, err)
}
}
@ -1341,7 +1366,7 @@ func (kl *Kubelet) initializeRuntimeDependentModules() {
if err := kl.cadvisor.Start(); err != nil {
// Fail kubelet and rely on the babysitter to retry starting kubelet.
// TODO(random-liu): Add backoff logic in the babysitter
glog.Fatalf("Failed to start cAdvisor %v", err)
klog.Fatalf("Failed to start cAdvisor %v", err)
}
// trigger on-demand stats collection once so that we have capacity information for ephemeral storage.
@ -1351,12 +1376,12 @@ func (kl *Kubelet) initializeRuntimeDependentModules() {
node, err := kl.getNodeAnyWay()
if err != nil {
// Fail kubelet and rely on the babysitter to retry starting kubelet.
glog.Fatalf("Kubelet failed to get node info: %v", err)
klog.Fatalf("Kubelet failed to get node info: %v", err)
}
// containerManager must start after cAdvisor because it needs filesystem capacity information
if err := kl.containerManager.Start(node, kl.GetActivePods, kl.sourcesReady, kl.statusManager, kl.runtimeService); err != nil {
// Fail kubelet and rely on the babysitter to retry starting kubelet.
glog.Fatalf("Failed to start ContainerManager %v", err)
klog.Fatalf("Failed to start ContainerManager %v", err)
}
// eviction manager must start after cadvisor because it needs to know if the container runtime has a dedicated imagefs
kl.evictionManager.Start(kl.StatsProvider, kl.GetActivePods, kl.podResourcesAreReclaimed, evictionMonitoringPeriod)
@ -1366,14 +1391,14 @@ func (kl *Kubelet) initializeRuntimeDependentModules() {
kl.containerLogManager.Start()
if kl.enablePluginsWatcher {
// Adding Registration Callback function for CSI Driver
kl.pluginWatcher.AddHandler("CSIPlugin", pluginwatcher.PluginHandler(csi.PluginHandler))
kl.pluginWatcher.AddHandler(pluginwatcherapi.CSIPlugin, pluginwatcher.PluginHandler(csi.PluginHandler))
// Adding Registration Callback function for Device Manager
kl.pluginWatcher.AddHandler(pluginwatcherapi.DevicePlugin, kl.containerManager.GetPluginRegistrationHandler())
// Start the plugin watcher
glog.V(4).Infof("starting watcher")
klog.V(4).Infof("starting watcher")
if err := kl.pluginWatcher.Start(); err != nil {
kl.recorder.Eventf(kl.nodeRef, v1.EventTypeWarning, events.KubeletSetupFailed, err.Error())
glog.Fatalf("failed to start Plugin Watcher. err: %v", err)
klog.Fatalf("failed to start Plugin Watcher. err: %v", err)
}
}
}
@ -1384,7 +1409,7 @@ func (kl *Kubelet) Run(updates <-chan kubetypes.PodUpdate) {
kl.logServer = http.StripPrefix("/logs/", http.FileServer(http.Dir("/var/log/")))
}
if kl.kubeClient == nil {
glog.Warning("No api server defined - no node status update will be sent.")
klog.Warning("No api server defined - no node status update will be sent.")
}
// Start the cloud provider sync manager
@ -1394,7 +1419,7 @@ func (kl *Kubelet) Run(updates <-chan kubetypes.PodUpdate) {
if err := kl.initializeModules(); err != nil {
kl.recorder.Eventf(kl.nodeRef, v1.EventTypeWarning, events.KubeletSetupFailed, err.Error())
glog.Fatal(err)
klog.Fatal(err)
}
// Start volume manager
@ -1502,7 +1527,7 @@ func (kl *Kubelet) syncPod(o syncPodOptions) error {
// since kubelet first saw the pod if firstSeenTime is set.
metrics.PodWorkerStartLatency.Observe(metrics.SinceInMicroseconds(firstSeenTime))
} else {
glog.V(3).Infof("First seen time not recorded for pod %q", pod.UID)
klog.V(3).Infof("First seen time not recorded for pod %q", pod.UID)
}
}
@ -1561,8 +1586,8 @@ func (kl *Kubelet) syncPod(o syncPodOptions) error {
// If the network plugin is not ready, only start the pod if it uses the host network
if rs := kl.runtimeState.networkErrors(); len(rs) != 0 && !kubecontainer.IsHostNetworkPod(pod) {
kl.recorder.Eventf(pod, v1.EventTypeWarning, events.NetworkNotReady, "network is not ready: %v", rs)
return fmt.Errorf("network is not ready: %v", rs)
kl.recorder.Eventf(pod, v1.EventTypeWarning, events.NetworkNotReady, "%s: %v", NetworkNotReadyErrorMsg, rs)
return fmt.Errorf("%s: %v", NetworkNotReadyErrorMsg, rs)
}
// Create Cgroups for the pod and apply resource parameters
@ -1601,7 +1626,7 @@ func (kl *Kubelet) syncPod(o syncPodOptions) error {
if !(podKilled && pod.Spec.RestartPolicy == v1.RestartPolicyNever) {
if !pcm.Exists(pod) {
if err := kl.containerManager.UpdateQOSCgroups(); err != nil {
glog.V(2).Infof("Failed to update QoS cgroups while syncing pod: %v", err)
klog.V(2).Infof("Failed to update QoS cgroups while syncing pod: %v", err)
}
if err := pcm.EnsureExists(pod); err != nil {
kl.recorder.Eventf(pod, v1.EventTypeWarning, events.FailedToCreatePodContainer, "unable to ensure pod container exists: %v", err)
@ -1619,9 +1644,9 @@ func (kl *Kubelet) syncPod(o syncPodOptions) error {
if mirrorPod.DeletionTimestamp != nil || !kl.podManager.IsMirrorPodOf(mirrorPod, pod) {
// The mirror pod is semantically different from the static pod. Remove
// it. The mirror pod will get recreated later.
glog.Warningf("Deleting mirror pod %q because it is outdated", format.Pod(mirrorPod))
klog.Warningf("Deleting mirror pod %q because it is outdated", format.Pod(mirrorPod))
if err := kl.podManager.DeleteMirrorPod(podFullName); err != nil {
glog.Errorf("Failed deleting mirror pod %q: %v", format.Pod(mirrorPod), err)
klog.Errorf("Failed deleting mirror pod %q: %v", format.Pod(mirrorPod), err)
} else {
deleted = true
}
@ -1630,11 +1655,11 @@ func (kl *Kubelet) syncPod(o syncPodOptions) error {
if mirrorPod == nil || deleted {
node, err := kl.GetNode()
if err != nil || node.DeletionTimestamp != nil {
glog.V(4).Infof("No need to create a mirror pod, since node %q has been removed from the cluster", kl.nodeName)
klog.V(4).Infof("No need to create a mirror pod, since node %q has been removed from the cluster", kl.nodeName)
} else {
glog.V(4).Infof("Creating a mirror pod for static pod %q", format.Pod(pod))
klog.V(4).Infof("Creating a mirror pod for static pod %q", format.Pod(pod))
if err := kl.podManager.CreateMirrorPod(pod); err != nil {
glog.Errorf("Failed creating a mirror pod for %q: %v", format.Pod(pod), err)
klog.Errorf("Failed creating a mirror pod for %q: %v", format.Pod(pod), err)
}
}
}
@ -1643,7 +1668,7 @@ func (kl *Kubelet) syncPod(o syncPodOptions) error {
// Make data directories for the pod
if err := kl.makePodDataDirs(pod); err != nil {
kl.recorder.Eventf(pod, v1.EventTypeWarning, events.FailedToMakePodDataDirectories, "error making pod data directories: %v", err)
glog.Errorf("Unable to make pod data directories for pod %q: %v", format.Pod(pod), err)
klog.Errorf("Unable to make pod data directories for pod %q: %v", format.Pod(pod), err)
return err
}
@ -1652,7 +1677,7 @@ func (kl *Kubelet) syncPod(o syncPodOptions) error {
// Wait for volumes to attach/mount
if err := kl.volumeManager.WaitForAttachAndMount(pod); err != nil {
kl.recorder.Eventf(pod, v1.EventTypeWarning, events.FailedMountVolume, "Unable to mount volumes for pod %q: %v", format.Pod(pod), err)
glog.Errorf("Unable to mount volumes for pod %q: %v; skipping pod", format.Pod(pod), err)
klog.Errorf("Unable to mount volumes for pod %q: %v; skipping pod", format.Pod(pod), err)
return err
}
}
@ -1801,8 +1826,8 @@ func (kl *Kubelet) canRunPod(pod *v1.Pod) lifecycle.PodAdmitResult {
// no changes are seen to the configuration, will synchronize the last known desired
// state every sync-frequency seconds. Never returns.
func (kl *Kubelet) syncLoop(updates <-chan kubetypes.PodUpdate, handler SyncHandler) {
glog.Info("Starting kubelet main sync loop.")
// The resyncTicker wakes up kubelet to checks if there are any pod workers
klog.Info("Starting kubelet main sync loop.")
// The syncTicker wakes up kubelet to checks if there are any pod workers
// that need to be sync'd. A one-second period is sufficient because the
// sync interval is defaulted to 10s.
syncTicker := time.NewTicker(time.Second)
@ -1818,7 +1843,7 @@ func (kl *Kubelet) syncLoop(updates <-chan kubetypes.PodUpdate, handler SyncHand
duration := base
for {
if rs := kl.runtimeState.runtimeErrors(); len(rs) != 0 {
glog.Infof("skipping pod synchronization - %v", rs)
klog.Infof("skipping pod synchronization - %v", rs)
// exponential backoff
time.Sleep(duration)
duration = time.Duration(math.Min(float64(max), factor*float64(duration)))
@ -1874,39 +1899,39 @@ func (kl *Kubelet) syncLoopIteration(configCh <-chan kubetypes.PodUpdate, handle
// Update from a config source; dispatch it to the right handler
// callback.
if !open {
glog.Errorf("Update channel is closed. Exiting the sync loop.")
klog.Errorf("Update channel is closed. Exiting the sync loop.")
return false
}
switch u.Op {
case kubetypes.ADD:
glog.V(2).Infof("SyncLoop (ADD, %q): %q", u.Source, format.Pods(u.Pods))
klog.V(2).Infof("SyncLoop (ADD, %q): %q", u.Source, format.Pods(u.Pods))
// After restarting, kubelet will get all existing pods through
// ADD as if they are new pods. These pods will then go through the
// admission process and *may* be rejected. This can be resolved
// once we have checkpointing.
handler.HandlePodAdditions(u.Pods)
case kubetypes.UPDATE:
glog.V(2).Infof("SyncLoop (UPDATE, %q): %q", u.Source, format.PodsWithDeletionTimestamps(u.Pods))
klog.V(2).Infof("SyncLoop (UPDATE, %q): %q", u.Source, format.PodsWithDeletionTimestamps(u.Pods))
handler.HandlePodUpdates(u.Pods)
case kubetypes.REMOVE:
glog.V(2).Infof("SyncLoop (REMOVE, %q): %q", u.Source, format.Pods(u.Pods))
klog.V(2).Infof("SyncLoop (REMOVE, %q): %q", u.Source, format.Pods(u.Pods))
handler.HandlePodRemoves(u.Pods)
case kubetypes.RECONCILE:
glog.V(4).Infof("SyncLoop (RECONCILE, %q): %q", u.Source, format.Pods(u.Pods))
klog.V(4).Infof("SyncLoop (RECONCILE, %q): %q", u.Source, format.Pods(u.Pods))
handler.HandlePodReconcile(u.Pods)
case kubetypes.DELETE:
glog.V(2).Infof("SyncLoop (DELETE, %q): %q", u.Source, format.Pods(u.Pods))
klog.V(2).Infof("SyncLoop (DELETE, %q): %q", u.Source, format.Pods(u.Pods))
// DELETE is treated as a UPDATE because of graceful deletion.
handler.HandlePodUpdates(u.Pods)
case kubetypes.RESTORE:
glog.V(2).Infof("SyncLoop (RESTORE, %q): %q", u.Source, format.Pods(u.Pods))
klog.V(2).Infof("SyncLoop (RESTORE, %q): %q", u.Source, format.Pods(u.Pods))
// These are pods restored from the checkpoint. Treat them as new
// pods.
handler.HandlePodAdditions(u.Pods)
case kubetypes.SET:
// TODO: Do we want to support this?
glog.Errorf("Kubelet does not support snapshot update")
klog.Errorf("Kubelet does not support snapshot update")
}
if u.Op != kubetypes.RESTORE {
@ -1925,11 +1950,11 @@ func (kl *Kubelet) syncLoopIteration(configCh <-chan kubetypes.PodUpdate, handle
if isSyncPodWorthy(e) {
// PLEG event for a pod; sync it.
if pod, ok := kl.podManager.GetPodByUID(e.ID); ok {
glog.V(2).Infof("SyncLoop (PLEG): %q, event: %#v", format.Pod(pod), e)
klog.V(2).Infof("SyncLoop (PLEG): %q, event: %#v", format.Pod(pod), e)
handler.HandlePodSyncs([]*v1.Pod{pod})
} else {
// If the pod no longer exists, ignore the event.
glog.V(4).Infof("SyncLoop (PLEG): ignore irrelevant event: %#v", e)
klog.V(4).Infof("SyncLoop (PLEG): ignore irrelevant event: %#v", e)
}
}
@ -1944,7 +1969,7 @@ func (kl *Kubelet) syncLoopIteration(configCh <-chan kubetypes.PodUpdate, handle
if len(podsToSync) == 0 {
break
}
glog.V(4).Infof("SyncLoop (SYNC): %d pods; %s", len(podsToSync), format.Pods(podsToSync))
klog.V(4).Infof("SyncLoop (SYNC): %d pods; %s", len(podsToSync), format.Pods(podsToSync))
handler.HandlePodSyncs(podsToSync)
case update := <-kl.livenessManager.Updates():
if update.Result == proberesults.Failure {
@ -1955,21 +1980,21 @@ func (kl *Kubelet) syncLoopIteration(configCh <-chan kubetypes.PodUpdate, handle
pod, ok := kl.podManager.GetPodByUID(update.PodUID)
if !ok {
// If the pod no longer exists, ignore the update.
glog.V(4).Infof("SyncLoop (container unhealthy): ignore irrelevant update: %#v", update)
klog.V(4).Infof("SyncLoop (container unhealthy): ignore irrelevant update: %#v", update)
break
}
glog.V(1).Infof("SyncLoop (container unhealthy): %q", format.Pod(pod))
klog.V(1).Infof("SyncLoop (container unhealthy): %q", format.Pod(pod))
handler.HandlePodSyncs([]*v1.Pod{pod})
}
case <-housekeepingCh:
if !kl.sourcesReady.AllReady() {
// If the sources aren't ready or volume manager has not yet synced the states,
// skip housekeeping, as we may accidentally delete pods from unready sources.
glog.V(4).Infof("SyncLoop (housekeeping, skipped): sources aren't ready yet.")
klog.V(4).Infof("SyncLoop (housekeeping, skipped): sources aren't ready yet.")
} else {
glog.V(4).Infof("SyncLoop (housekeeping)")
klog.V(4).Infof("SyncLoop (housekeeping)")
if err := handler.HandlePodCleanups(); err != nil {
glog.Errorf("Failed cleaning pods: %v", err)
klog.Errorf("Failed cleaning pods: %v", err)
}
}
}
@ -2092,7 +2117,7 @@ func (kl *Kubelet) HandlePodRemoves(pods []*v1.Pod) {
// Deletion is allowed to fail because the periodic cleanup routine
// will trigger deletion again.
if err := kl.deletePod(pod); err != nil {
glog.V(2).Infof("Failed to delete pod %q, err: %v", format.Pod(pod), err)
klog.V(2).Infof("Failed to delete pod %q, err: %v", format.Pod(pod), err)
}
kl.probeManager.RemovePod(pod)
}
@ -2151,20 +2176,20 @@ func (kl *Kubelet) updateRuntimeUp() {
s, err := kl.containerRuntime.Status()
if err != nil {
glog.Errorf("Container runtime sanity check failed: %v", err)
klog.Errorf("Container runtime sanity check failed: %v", err)
return
}
if s == nil {
glog.Errorf("Container runtime status is nil")
klog.Errorf("Container runtime status is nil")
return
}
// Periodically log the whole runtime status for debugging.
// TODO(random-liu): Consider to send node event when optional
// condition is unmet.
glog.V(4).Infof("Container runtime status: %v", s)
klog.V(4).Infof("Container runtime status: %v", s)
networkReady := s.GetRuntimeCondition(kubecontainer.NetworkReady)
if networkReady == nil || !networkReady.Status {
glog.Errorf("Container runtime network not ready: %v", networkReady)
klog.Errorf("Container runtime network not ready: %v", networkReady)
kl.runtimeState.setNetworkState(fmt.Errorf("runtime network not ready: %v", networkReady))
} else {
// Set nil if the container runtime network is ready.
@ -2176,7 +2201,7 @@ func (kl *Kubelet) updateRuntimeUp() {
runtimeReady := s.GetRuntimeCondition(kubecontainer.RuntimeReady)
// If RuntimeReady is not set or is false, report an error.
if runtimeReady == nil || !runtimeReady.Status {
glog.Errorf("Container runtime not ready: %v", runtimeReady)
klog.Errorf("Container runtime not ready: %v", runtimeReady)
return
}
kl.oneTimeInitializer.Do(kl.initializeRuntimeDependentModules)
@ -2209,6 +2234,11 @@ func (kl *Kubelet) ListenAndServeReadOnly(address net.IP, port uint) {
server.ListenAndServeKubeletReadOnlyServer(kl, kl.resourceAnalyzer, address, port)
}
// ListenAndServePodResources runs the kubelet podresources grpc service
func (kl *Kubelet) ListenAndServePodResources() {
server.ListenAndServePodResources(util.LocalEndpoint(kl.getPodResourcesDir(), podresources.Socket), kl.podManager, kl.containerManager)
}
// Delete the eligible dead container instances in a pod. Depending on the configuration, the latest dead containers may be kept around.
func (kl *Kubelet) cleanUpContainersInPod(podID types.UID, exitedContainerID string) {
if podStatus, err := kl.podCache.Get(podID); err == nil {
@ -2233,12 +2263,12 @@ func (kl *Kubelet) fastStatusUpdateOnce() {
time.Sleep(100 * time.Millisecond)
node, err := kl.GetNode()
if err != nil {
glog.Errorf(err.Error())
klog.Errorf(err.Error())
continue
}
if node.Spec.PodCIDR != "" {
if err := kl.updatePodCIDR(node.Spec.PodCIDR); err != nil {
glog.Errorf("Pod CIDR update failed %v", err)
if _, err := kl.updatePodCIDR(node.Spec.PodCIDR); err != nil {
klog.Errorf("Pod CIDR update failed %v", err)
continue
}
kl.updateRuntimeUp()