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Add node sync period flag
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@ -49,7 +49,10 @@ var (
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cloudProvider = flag.String("cloud_provider", "", "The provider for cloud services. Empty string for no provider.")
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cloudConfigFile = flag.String("cloud_config", "", "The path to the cloud provider configuration file. Empty string for no configuration file.")
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minionRegexp = flag.String("minion_regexp", "", "If non empty, and -cloud_provider is specified, a regular expression for matching minion VMs.")
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machineList util.StringList
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nodeSyncPeriod = flag.Duration("node_sync_period", 10*time.Second, ""+
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"The period for syncing nodes from cloudprovider. Longer periods will result in "+
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"fewer calls to cloud provider, but may delay addition of new nodes to cluster.")
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machineList util.StringList
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// TODO: Discover these by pinging the host machines, and rip out these flags.
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// TODO: in the meantime, use resource.QuantityFlag() instead of these
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nodeMilliCPU = flag.Int64("node_milli_cpu", 1000, "The amount of MilliCPU provisioned on each node")
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@ -107,7 +110,7 @@ func main() {
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},
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}
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nodeController := nodeControllerPkg.NewNodeController(cloud, *minionRegexp, machineList, nodeResources, kubeClient)
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nodeController.Run(10 * time.Second)
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nodeController.Run(*nodeSyncPeriod)
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select {}
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}
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@ -54,11 +54,14 @@ The kube-controller-manager has several options.
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log to standard error instead of files.
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**--machines**=[]
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List of machines to schedule onto, comma separated.
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List of machines to schedule onto, comma separated.
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**--master**=""
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The address of the Kubernetes API server.
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**--node_sync_peroid**=10s
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The period for syncing nodes from cloudprovider.
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**--port**=10252
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The port that the controller-manager's http service runs on.
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@ -58,7 +58,8 @@ objects. It performs two major functions: cluster-wide node synchronization
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and single node life-cycle management.
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Node controller has a sync loop that creates/deletes `Node`s from Kubernetes
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based on all matching VM instances listed from cloud provider. If a new instance
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based on all matching VM instances listed from cloud provider. The sync period
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can be controlled via flag "--node_sync_period". If a new instance
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gets created, Node Controller creates a representation for it. If an existing
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instance gets deleted, Node Controller deletes the representation. Note however,
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Node Controller is unable to provision the node for you, i.e. it won't install
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