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Move NodeController constants to flags

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This commit is contained in:
gmarek
2015-03-31 13:17:12 +02:00
parent d6851729d2
commit 321a81047c
7 changed files with 118 additions and 68 deletions
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3
cmd/integration/integration.go
View File

@@ -223,8 +223,7 @@ func startComponents(firstManifestURL, secondManifestURL, apiVersion string) (st
api.ResourceName(api.ResourceMemory): resource.MustParse("10G"),
}}
nodeController := nodeControllerPkg.NewNodeController(
nil, "", machineList, nodeResources, cl, fakeKubeletClient{}, 10, 5*time.Minute, util.NewFakeRateLimiter())
nodeController := nodeControllerPkg.NewNodeController(nil, "", machineList, nodeResources, cl, fakeKubeletClient{}, 10, 5*time.Minute, util.NewFakeRateLimiter(), 8*time.Second, 30*time.Second, 5*time.Second)
nodeController.Run(5*time.Second, true, false)
cadvisorInterface := new(cadvisor.Fake)

11
cmd/kube-controller-manager/app/controllermanager.go
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@@ -57,6 +57,10 @@ type CMServer struct {
MachineList util.StringList
SyncNodeList bool
SyncNodeStatus bool
NodeMonitorGracePeriod time.Duration
NodeStartupGracePeriod time.Duration
NodeMonitorPeriod time.Duration
NodeStatusUpdateRetry int
PodEvictionTimeout time.Duration
DeletingPodsQps float32
DeletingPodsBurst int
@@ -115,6 +119,10 @@ func (s *CMServer) AddFlags(fs *pflag.FlagSet) {
fs.BoolVar(&s.SyncNodeStatus, "sync_node_status", s.SyncNodeStatus, ""+
"If true, node controller sends probes to kubelet and updates NodeStatus."+
"If false, Kubelet posts NodeStatus to API server.")
fs.DurationVar(&s.NodeMonitorGracePeriod, "node_monitor_grace_period", 8*time.Second, "Amount of time which we allow running Node to be unresponsive before marking it unhealty."+
"Must be N times more than kubelet's nodeStatusUpdateFrequency, where N means number of retries allowed for kubelet to post node status.")
fs.DurationVar(&s.NodeStartupGracePeriod, "node_startup_grace_period", 30*time.Second, "Amount of time which we allow starting Node to be unresponsive before marking it unhealty.")
fs.DurationVar(&s.NodeMonitorPeriod, "node_monitor_period", 5*time.Second, "The period for syncing NodeStatus in NodeController.")
// TODO: Discover these by pinging the host machines, and rip out these flags.
// TODO: in the meantime, use resource.QuantityFlag() instead of these
fs.Int64Var(&s.NodeMilliCPU, "node_milli_cpu", s.NodeMilliCPU, "The amount of MilliCPU provisioned on each node")
@@ -181,7 +189,8 @@ func (s *CMServer) Run(_ []string) error {
}
nodeController := nodeControllerPkg.NewNodeController(cloud, s.MinionRegexp, s.MachineList, nodeResources,
kubeClient, kubeletClient, s.RegisterRetryCount, s.PodEvictionTimeout, util.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst))
kubeClient, kubeletClient, s.RegisterRetryCount, s.PodEvictionTimeout, util.NewTokenBucketRateLimiter(s.DeletingPodsQps, s.DeletingPodsBurst),
s.NodeMonitorGracePeriod, s.NodeStartupGracePeriod, s.NodeMonitorPeriod)
nodeController.Run(s.NodeSyncPeriod, s.SyncNodeList, s.SyncNodeStatus)
resourceQuotaManager := resourcequota.NewResourceQuotaManager(kubeClient)

8
cmd/kubelet/app/server.go
View File

@@ -94,6 +94,7 @@ type KubeletServer struct {
TLSCertFile string
TLSPrivateKeyFile string
CertDirectory string
NodeStatusUpdateFrequency time.Duration
}
// bootstrapping interface for kubelet, targets the initialization protocol
@@ -137,6 +138,7 @@ func NewKubeletServer() *KubeletServer {
NetworkPluginName: "",
HostNetworkSources: kubelet.FileSource,
CertDirectory: "/var/run/kubernetes",
NodeStatusUpdateFrequency: 2 * time.Second,
}
}
@@ -181,6 +183,7 @@ func (s *KubeletServer) AddFlags(fs *pflag.FlagSet) {
fs.Var(&s.ClusterDNS, "cluster_dns", "IP address for a cluster DNS server. If set, kubelet will configure all containers to use this for DNS resolution in addition to the host's DNS servers")
fs.BoolVar(&s.ReallyCrashForTesting, "really_crash_for_testing", s.ReallyCrashForTesting, "If true, crash with panics more often.")
fs.DurationVar(&s.StreamingConnectionIdleTimeout, "streaming_connection_idle_timeout", 0, "Maximum time a streaming connection can be idle before the connection is automatically closed. Example: '5m'")
fs.DurationVar(&s.NodeStatusUpdateFrequency, "node_status_update_frequency", s.NodeStatusUpdateFrequency, "Specifies how often kubelet posts node status to master. Note: be cautious when changing the constant, it must work with nodeMonitorGracePeriod in nodecontroller. Default: 2s")
fs.IntVar(&s.ImageGCHighThresholdPercent, "image_gc_high_threshold", s.ImageGCHighThresholdPercent, "The percent of disk usage after which image garbage collection is always run. Default: 90%%")
fs.IntVar(&s.ImageGCLowThresholdPercent, "image_gc_low_threshold", s.ImageGCLowThresholdPercent, "The percent of disk usage before which image garbage collection is never run. Lowest disk usage to garbage collect to. Default: 80%%")
fs.StringVar(&s.NetworkPluginName, "network_plugin", s.NetworkPluginName, "<Warning: Alpha feature> The name of the network plugin to be invoked for various events in kubelet/pod lifecycle")
@@ -381,6 +384,7 @@ func SimpleKubelet(client *client.Client,
ConfigFile: configFilePath,
ImageGCPolicy: imageGCPolicy,
Cloud: cloud,
NodeStatusUpdateFrequency: 2 * time.Second,
}
return &kcfg
}
@@ -501,6 +505,7 @@ type KubeletConfig struct {
TLSOptions *kubelet.TLSOptions
ImageGCPolicy kubelet.ImageGCPolicy
Cloud cloudprovider.Interface
NodeStatusUpdateFrequency time.Duration
}
func createAndInitKubelet(kc *KubeletConfig) (k KubeletBootstrap, pc *config.PodConfig, err error) {
@@ -542,7 +547,8 @@ func createAndInitKubelet(kc *KubeletConfig) (k KubeletBootstrap, pc *config.Pod
kc.Recorder,
kc.CadvisorInterface,
kc.ImageGCPolicy,
kc.Cloud)
kc.Cloud,
kc.NodeStatusUpdateFrequency)
if err != nil {
return nil, nil, err

2
cmd/kubernetes/kubernetes.go
View File

@@ -131,7 +131,7 @@ func runControllerManager(machineList []string, cl *client.Client, nodeMilliCPU,
kubeClient := &client.HTTPKubeletClient{Client: http.DefaultClient, Port: ports.KubeletPort}
nodeController := nodeControllerPkg.NewNodeController(
nil, "", machineList, nodeResources, cl, kubeClient, 10, 5*time.Minute, util.NewTokenBucketRateLimiter(*deletingPodsQps, *deletingPodsBurst))
nil, "", machineList, nodeResources, cl, kubeClient, 10, 5*time.Minute, util.NewTokenBucketRateLimiter(*deletingPodsQps, *deletingPodsBurst), 8*time.Second, 30*time.Second, 5*time.Second)
nodeController.Run(10*time.Second, true, true)
endpoints := service.NewEndpointController(cl)