mirror of https://github.com/k3s-io/k3s
59 lines
1.9 KiB
Go
59 lines
1.9 KiB
Go
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/*
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Copyright 2014 Google Inc. All rights reserved.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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// The controller manager is responsible for monitoring replication controllers, and creating corresponding
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// tasks to achieve the desired state. It listens for new controllers in etcd, and it sends requests to the
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// master to create/delete tasks.
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//
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// TODO: Refactor the etcd watch code so that it is a pluggable interface.
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package main
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import (
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"flag"
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"log"
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"os"
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"time"
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kube_client "github.com/GoogleCloudPlatform/kubernetes/pkg/client"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/registry"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/util"
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"github.com/coreos/go-etcd/etcd"
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)
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var (
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etcd_servers = flag.String("etcd_servers", "", "Servers for the etcd (http://ip:port).")
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master = flag.String("master", "", "The address of the Kubernetes API server")
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)
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func main() {
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flag.Parse()
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if len(*etcd_servers) == 0 || len(*master) == 0 {
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log.Fatal("usage: controller-manager -etcd_servers <servers> -master <master>")
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}
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// Set up logger for etcd client
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etcd.SetLogger(log.New(os.Stderr, "etcd ", log.LstdFlags))
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controllerManager := registry.MakeReplicationManager(etcd.NewClient([]string{*etcd_servers}),
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kube_client.Client{
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Host: "http://" + *master,
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})
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go util.Forever(func() { controllerManager.Synchronize() }, 20*time.Second)
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go util.Forever(func() { controllerManager.WatchControllers() }, 20*time.Second)
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select {}
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}
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