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Copyright © 2022 Oleg Pykhalov <go.wigust@gmail.com>
Create a PID file after containerd is ready to serve requests.
Fixes <https://issues.guix.gnu.org/38432>.
--- a/cmd/containerd/command/notify_linux.go 1970-01-01 03:00:01.000000000 +0300
+++ b/cmd/containerd/command/notify_linux.go 2022-07-02 04:42:35.553753495 +0300
@@ -22,15 +22,22 @@
sd "github.com/coreos/go-systemd/v22/daemon"
"github.com/containerd/containerd/log"
+
+ "os"
+ "strconv"
)
// notifyReady notifies systemd that the daemon is ready to serve requests
func notifyReady(ctx context.Context) error {
+ pidFile, _ := os.Create("/run/containerd/containerd.pid")
+ defer pidFile.Close()
+ pidFile.WriteString(strconv.FormatInt(int64(os.Getpid()), 10))
return sdNotify(ctx, sd.SdNotifyReady)
}
// notifyStopping notifies systemd that the daemon is about to be stopped
func notifyStopping(ctx context.Context) error {
+ os.Remove("/run/containerd/containerd.pid")
return sdNotify(ctx, sd.SdNotifyStopping)
}
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