mirror of https://github.com/k3s-io/k3s
95 lines
3.3 KiB
Go
95 lines
3.3 KiB
Go
/*
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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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// apiserver is the main api server and master for the cluster.
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// it is responsible for serving the cluster management API.
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package main
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import (
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"flag"
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"fmt"
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"log"
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"net/http"
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"time"
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"github.com/coreos/go-etcd/etcd"
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"github.com/GoogleCloudPlatform/kubernetes/pkg/apiserver"
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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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)
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var (
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port = flag.Uint("port", 8080, "The port to listen on. Default 8080.")
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address = flag.String("address", "127.0.0.1", "The address on the local server to listen to. Default 127.0.0.1")
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apiPrefix = flag.String("api_prefix", "/api/v1beta1", "The prefix for API requests on the server. Default '/api/v1beta1'")
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etcdServerList, machineList util.StringList
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)
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func init() {
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flag.Var(&etcdServerList, "etcd_servers", "Servers for the etcd (http://ip:port), comma separated")
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flag.Var(&machineList, "machines", "List of machines to schedule onto, comma separated.")
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}
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func main() {
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flag.Parse()
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if len(machineList) == 0 {
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log.Fatal("No machines specified!")
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}
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var (
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podRegistry registry.PodRegistry
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controllerRegistry registry.ControllerRegistry
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serviceRegistry registry.ServiceRegistry
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)
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if len(etcdServerList) > 0 {
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log.Printf("Creating etcd client pointing to %v", etcdServerList)
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etcdClient := etcd.NewClient(etcdServerList)
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podRegistry = registry.MakeEtcdRegistry(etcdClient, machineList)
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controllerRegistry = registry.MakeEtcdRegistry(etcdClient, machineList)
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serviceRegistry = registry.MakeEtcdRegistry(etcdClient, machineList)
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} else {
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podRegistry = registry.MakeMemoryRegistry()
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controllerRegistry = registry.MakeMemoryRegistry()
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serviceRegistry = registry.MakeMemoryRegistry()
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}
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containerInfo := &kube_client.HTTPContainerInfo{
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Client: http.DefaultClient,
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Port: 10250,
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}
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storage := map[string]apiserver.RESTStorage{
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"tasks": registry.MakeTaskRegistryStorage(podRegistry, containerInfo, registry.MakeFirstFitScheduler(machineList, podRegistry)),
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"replicationControllers": registry.MakeControllerRegistryStorage(controllerRegistry),
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"services": registry.MakeServiceRegistryStorage(serviceRegistry),
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}
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endpoints := registry.MakeEndpointController(serviceRegistry, podRegistry)
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go util.Forever(func() { endpoints.SyncServiceEndpoints() }, time.Second*10)
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s := &http.Server{
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Addr: fmt.Sprintf("%s:%d", *address, *port),
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Handler: apiserver.New(storage, *apiPrefix),
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ReadTimeout: 10 * time.Second,
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WriteTimeout: 10 * time.Second,
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MaxHeaderBytes: 1 << 20,
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}
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log.Fatal(s.ListenAndServe())
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}
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