79 lines
2.1 KiB
Go
79 lines
2.1 KiB
Go
/*
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Copyright 2017 The Kubernetes Authors.
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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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package main
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import (
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"os"
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"github.com/docker/docker/pkg/reexec"
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"github.com/golang/glog"
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"github.com/opencontainers/selinux/go-selinux"
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"github.com/spf13/pflag"
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"k8s.io/kubernetes/pkg/util/interrupt"
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"github.com/kubernetes-incubator/cri-containerd/cmd/cri-containerd/options"
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"github.com/kubernetes-incubator/cri-containerd/pkg/server"
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"github.com/kubernetes-incubator/cri-containerd/pkg/version"
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)
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func main() {
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if reexec.Init() {
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return
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}
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o := options.NewCRIContainerdOptions()
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o.AddFlags(pflag.CommandLine)
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if err := o.InitFlags(pflag.CommandLine); err != nil {
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glog.Exitf("Failed to init CRI containerd flags: %v", err)
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}
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glog.V(2).Infof("Run cri-containerd %+v", o)
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if o.PrintVersion {
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version.PrintVersion()
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os.Exit(0)
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}
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if o.PrintDefaultConfig {
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o.PrintDefaultTomlConfig()
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os.Exit(0)
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}
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validateConfig(o)
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glog.V(2).Infof("Run cri-containerd grpc server on socket %q", o.SocketPath)
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s, err := server.NewCRIContainerdService(o.Config)
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if err != nil {
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glog.Exitf("Failed to create CRI containerd service %+v: %v", o, err)
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}
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// Use interrupt handler to make sure the server to be stopped properly.
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// Pass in non-empty final function to avoid os.Exit(1). We expect `Run`
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// to return itself.
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h := interrupt.New(func(os.Signal) {}, s.Stop)
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if err := h.Run(func() error { return s.Run() }); err != nil {
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glog.Exitf("Failed to run cri-containerd grpc server: %v", err)
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}
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}
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func validateConfig(o *options.CRIContainerdOptions) {
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if o.EnableSelinux {
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if !selinux.GetEnabled() {
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glog.Warning("Selinux is not supported")
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}
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} else {
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selinux.SetDisabled()
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}
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}
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