59 lines
1.4 KiB
Go
59 lines
1.4 KiB
Go
package supervisor // import "github.com/docker/docker/libcontainerd/supervisor"
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import (
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"os"
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"path/filepath"
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"syscall"
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"time"
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"github.com/containerd/containerd/defaults"
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"github.com/docker/docker/pkg/process"
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)
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const (
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sockFile = "containerd.sock"
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debugSockFile = "containerd-debug.sock"
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)
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func (r *remote) setDefaults() {
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if r.GRPC.Address == "" {
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r.GRPC.Address = filepath.Join(r.stateDir, sockFile)
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}
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if r.GRPC.MaxRecvMsgSize == 0 {
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r.GRPC.MaxRecvMsgSize = defaults.DefaultMaxRecvMsgSize
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}
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if r.GRPC.MaxSendMsgSize == 0 {
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r.GRPC.MaxSendMsgSize = defaults.DefaultMaxSendMsgSize
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}
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if r.Debug.Address == "" {
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r.Debug.Address = filepath.Join(r.stateDir, debugSockFile)
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}
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}
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func (r *remote) stopDaemon() {
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// Ask the daemon to quit
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syscall.Kill(r.daemonPid, syscall.SIGTERM)
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// Wait up to 15secs for it to stop
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for i := time.Duration(0); i < shutdownTimeout; i += time.Second {
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if !process.Alive(r.daemonPid) {
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break
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}
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time.Sleep(time.Second)
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}
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if process.Alive(r.daemonPid) {
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r.logger.WithField("pid", r.daemonPid).Warn("daemon didn't stop within 15 secs, killing it")
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syscall.Kill(r.daemonPid, syscall.SIGKILL)
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}
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}
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func (r *remote) killDaemon() {
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// Try to get a stack trace
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_ = syscall.Kill(r.daemonPid, syscall.SIGUSR1)
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<-time.After(100 * time.Millisecond)
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_ = process.Kill(r.daemonPid)
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}
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func (r *remote) platformCleanup() {
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_ = os.Remove(r.Address())
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}
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