mirror of
https://github.com/ceph/ceph-csi.git
synced 2024-12-22 04:50:23 +00:00
92 lines
2.1 KiB
Go
92 lines
2.1 KiB
Go
// +build windows
|
|
|
|
/*
|
|
Copyright 2018 The Kubernetes Authors.
|
|
|
|
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 service
|
|
|
|
import (
|
|
"os"
|
|
|
|
"github.com/golang/glog"
|
|
|
|
"golang.org/x/sys/windows"
|
|
"golang.org/x/sys/windows/svc"
|
|
)
|
|
|
|
var (
|
|
service *handler
|
|
)
|
|
|
|
type handler struct {
|
|
tosvc chan bool
|
|
fromsvc chan error
|
|
}
|
|
|
|
// InitService is the entry point for running the daemon as a Windows
|
|
// service. It returns an indication of whether it is running as a service;
|
|
// and an error.
|
|
func InitService(serviceName string) error {
|
|
h := &handler{
|
|
tosvc: make(chan bool),
|
|
fromsvc: make(chan error),
|
|
}
|
|
|
|
service = h
|
|
var err error
|
|
go func() {
|
|
err = svc.Run(serviceName, h)
|
|
h.fromsvc <- err
|
|
}()
|
|
|
|
// Wait for the first signal from the service handler.
|
|
err = <-h.fromsvc
|
|
if err != nil {
|
|
return err
|
|
}
|
|
glog.Infof("Running %s as a Windows service!", serviceName)
|
|
return nil
|
|
}
|
|
|
|
func (h *handler) Execute(_ []string, r <-chan svc.ChangeRequest, s chan<- svc.Status) (bool, uint32) {
|
|
s <- svc.Status{State: svc.StartPending, Accepts: 0}
|
|
// Unblock initService()
|
|
h.fromsvc <- nil
|
|
|
|
s <- svc.Status{State: svc.Running, Accepts: svc.AcceptStop | svc.AcceptShutdown | svc.Accepted(windows.SERVICE_ACCEPT_PARAMCHANGE)}
|
|
glog.Infof("Service running")
|
|
Loop:
|
|
for {
|
|
select {
|
|
case <-h.tosvc:
|
|
break Loop
|
|
case c := <-r:
|
|
switch c.Cmd {
|
|
case svc.Cmd(windows.SERVICE_CONTROL_PARAMCHANGE):
|
|
s <- c.CurrentStatus
|
|
case svc.Interrogate:
|
|
s <- c.CurrentStatus
|
|
case svc.Stop, svc.Shutdown:
|
|
s <- svc.Status{State: svc.Stopped}
|
|
// TODO: Stop the kubelet gracefully instead of killing the process
|
|
os.Exit(0)
|
|
}
|
|
}
|
|
}
|
|
|
|
return false, 0
|
|
}
|