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start.go
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start.go
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/*
Copyright 2016 The Kubernetes Authors All rights reserved.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package cmd
import (
"fmt"
"os"
"os/signal"
"github.com/coreos/pkg/capnslog"
"k8s.io/kubernetes/pkg/capabilities"
"k8s.io/kubernetes/pkg/kubelet/types"
"k8s.io/minikube/pkg/localkube"
"k8s.io/minikube/pkg/version"
)
// The main instance of the current localkube server that is started
var Server *localkube.LocalkubeServer
func StartLocalkube() {
if Server.ShowVersion {
fmt.Println("localkube version:", version.GetVersion())
os.Exit(0)
}
// Get the etcd logger for the api repo
apiRepoLogger := capnslog.MustRepoLogger("github.com/coreos/etcd/etcdserver/api")
// Set the logging level to NOTICE as there is an INFO lvl log statement that runs every few seconds -> log spam
apiRepoLogger.SetRepoLogLevel(capnslog.NOTICE)
// TODO: Require root
SetupServer(Server)
Server.StartAll()
defer Server.StopAll()
interruptChan := make(chan os.Signal, 1)
signal.Notify(interruptChan, os.Interrupt)
<-interruptChan
fmt.Println("Shutting down...")
}
func SetupServer(s *localkube.LocalkubeServer) {
if s.ShouldGenerateCerts {
if err := s.GenerateCerts(); err != nil {
fmt.Println("Failed to create certificates!")
panic(err)
}
}
// Setup capabilities. This can only be done once per binary.
allSources, _ := types.GetValidatedSources([]string{types.AllSource})
c := capabilities.Capabilities{
AllowPrivileged: true,
PrivilegedSources: capabilities.PrivilegedSources{
HostNetworkSources: allSources,
HostIPCSources: allSources,
HostPIDSources: allSources,
},
}
capabilities.Initialize(c)
// setup etcd
etcd, err := s.NewEtcd(localkube.KubeEtcdClientURLs, localkube.KubeEtcdPeerURLs, "kubeetcd", s.GetEtcdDataDirectory())
if err != nil {
panic(err)
}
s.AddServer(etcd)
// setup apiserver
apiserver := s.NewAPIServer()
s.AddServer(apiserver)
// setup controller-manager
controllerManager := s.NewControllerManagerServer()
s.AddServer(controllerManager)
// setup scheduler
scheduler := s.NewSchedulerServer()
s.AddServer(scheduler)
// setup kubelet
kubelet := s.NewKubeletServer()
s.AddServer(kubelet)
// setup proxy
proxy := s.NewProxyServer()
s.AddServer(proxy)
// setup dns if we should
if s.EnableDNS {
dns, err := s.NewDNSServer(s.DNSDomain, s.DNSIP.String(), s.GetAPIServerInsecureURL())
if err != nil {
panic(err)
}
s.AddServer(dns)
}
}