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RC/RS: Use ControllerRef to route watch events.

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This is part of the completion of ControllerRef, as described here:

https://github.com/kubernetes/community/blob/master/contributors/design-proposals/controller-ref.md#watches

This also removes the need for the Pod->Controller mapping cache in RC
and RS. This mapping is now persisted in the Pod's ControllerRef
instead.
This commit is contained in:
Anthony Yeh
2017-02-23 08:58:28 -08:00
parent 298db3a0c3
commit ca13b9e532
13 changed files with 486 additions and 416 deletions
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1
cmd/kube-controller-manager/app/core.go
View File

@@ -59,7 +59,6 @@ func startReplicationController(ctx ControllerContext) (bool, error) {
ctx.InformerFactory.Core().V1().ReplicationControllers(),
ctx.ClientBuilder.ClientOrDie("replication-controller"),
replicationcontroller.BurstReplicas,
int(ctx.Options.LookupCacheSizeForRC),
).Run(int(ctx.Options.ConcurrentRCSyncs), ctx.Stop)
return true, nil
}

1
cmd/kube-controller-manager/app/extensions.go
View File

@@ -63,7 +63,6 @@ func startReplicaSetController(ctx ControllerContext) (bool, error) {
ctx.InformerFactory.Core().V1().Pods(),
ctx.ClientBuilder.ClientOrDie("replicaset-controller"),
replicaset.BurstReplicas,
int(ctx.Options.LookupCacheSizeForRS),
).Run(int(ctx.Options.ConcurrentRSSyncs), ctx.Stop)
return true, nil
}

4
cmd/kube-controller-manager/app/options/options.go
View File

@@ -132,8 +132,8 @@ func (s *CMServer) AddFlags(fs *pflag.FlagSet, allControllers []string, disabled
fs.Int32Var(&s.ConcurrentDeploymentSyncs, "concurrent-deployment-syncs", s.ConcurrentDeploymentSyncs, "The number of deployment objects that are allowed to sync concurrently. Larger number = more responsive deployments, but more CPU (and network) load")
fs.Int32Var(&s.ConcurrentNamespaceSyncs, "concurrent-namespace-syncs", s.ConcurrentNamespaceSyncs, "The number of namespace objects that are allowed to sync concurrently. Larger number = more responsive namespace termination, but more CPU (and network) load")
fs.Int32Var(&s.ConcurrentSATokenSyncs, "concurrent-serviceaccount-token-syncs", s.ConcurrentSATokenSyncs, "The number of service account token objects that are allowed to sync concurrently. Larger number = more responsive token generation, but more CPU (and network) load")
fs.Int32Var(&s.LookupCacheSizeForRC, "replication-controller-lookup-cache-size", s.LookupCacheSizeForRC, "The the size of lookup cache for replication controllers. Larger number = more responsive replica management, but more MEM load.")
fs.Int32Var(&s.LookupCacheSizeForRS, "replicaset-lookup-cache-size", s.LookupCacheSizeForRS, "The the size of lookup cache for replicatsets. Larger number = more responsive replica management, but more MEM load.")
fs.Int32Var(&s.LookupCacheSizeForRC, "replication-controller-lookup-cache-size", s.LookupCacheSizeForRC, "This flag is deprecated and will be removed in future releases. ReplicationController no longer requires a lookup cache.")
fs.Int32Var(&s.LookupCacheSizeForRS, "replicaset-lookup-cache-size", s.LookupCacheSizeForRS, "This flag is deprecated and will be removed in future releases. ReplicaSet no longer requires a lookup cache.")
fs.Int32Var(&s.LookupCacheSizeForDaemonSet, "daemonset-lookup-cache-size", s.LookupCacheSizeForDaemonSet, "The the size of lookup cache for daemonsets. Larger number = more responsive daemonsets, but more MEM load.")
fs.DurationVar(&s.ServiceSyncPeriod.Duration, "service-sync-period", s.ServiceSyncPeriod.Duration, "The period for syncing services with their external load balancers")
fs.DurationVar(&s.NodeSyncPeriod.Duration, "node-sync-period", 0, ""+