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containerd
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Add some logrus info for containerd 

Signed-off-by: Qiang Huang <h.huangqiang@huawei.com>
This commit is contained in:
Qiang Huang 2017-01-27 22:12:52 +08:00
parent 24c2810899
commit 7e4a7402f9
1 changed files with 26 additions and 22 deletions
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48
cmd/containerd/main.go
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@ -87,11 +87,15 @@ func main() {
signals := make(chan os.Signal, 2048)
signal.Notify(signals, syscall.SIGTERM, syscall.SIGINT, syscall.SIGUSR1)
ctx := log.WithModule(gocontext.Background(), "containerd")
if address := context.GlobalString("metrics-address"); address != "" {
go serveMetrics(address)
log.G(ctx).WithField("metrics-address", address).Info("listening and serving metrics")
go serveMetrics(ctx, address)
}
s, err := startNATSServer(context)
ea := context.GlobalString("events-address")
log.G(ctx).WithField("events-address", ea).Info("starting nats-streaming-server")
s, err := startNATSServer(ea)
if err != nil {
return nil
}
@ -107,19 +111,19 @@ func main() {
}
// Get events publisher
nec, err := getNATSPublisher(context)
nec, err := getNATSPublisher(ea)
if err != nil {
return err
}
defer nec.Close()
ctx := log.WithModule(gocontext.Background(), "containerd")
ctx = log.WithModule(ctx, "execution")
ctx = events.WithPoster(ctx, events.GetNATSPoster(nec))
var (
executor execution.Executor
runtime = context.GlobalString("runtime")
)
log.G(ctx).WithField("runtime", runtime).Info("run with runtime executor")
execCtx := log.WithModule(ctx, "execution")
execCtx = events.WithPoster(execCtx, events.GetNATSPoster(nec))
switch runtime {
case "shim":
root := filepath.Join(context.GlobalString("root"), "shim")
@ -127,7 +131,7 @@ func main() {
if err != nil && !os.IsExist(err) {
return err
}
executor, err = shim.New(log.WithModule(ctx, "shim"), root, "containerd-shim", "runc", nil)
executor, err = shim.New(log.WithModule(execCtx, "shim"), root, "containerd-shim", "runc", nil)
if err != nil {
return err
}
@ -135,7 +139,7 @@ func main() {
return fmt.Errorf("oci: runtime %q not implemented", runtime)
}
execService, err := execution.New(ctx, executor)
execService, err := execution.New(execCtx, executor)
if err != nil {
return err
}
@ -154,14 +158,15 @@ func main() {
}
server := grpc.NewServer(grpc.UnaryInterceptor(interceptor))
api.RegisterExecutionServiceServer(server, execService)
go serveGRPC(server, l)
log.G(ctx).WithField("socket", l.Addr()).Info("start serving GRPC API")
go serveGRPC(ctx, server, l)
for s := range signals {
switch s {
case syscall.SIGUSR1:
dumpStacks()
dumpStacks(ctx)
default:
logrus.WithField("signal", s).Info("containerd: stopping GRPC server")
log.G(ctx).WithField("signal", s).Info("stopping GRPC server")
server.Stop()
return nil
}
@ -174,24 +179,23 @@ func main() {
}
}
func serveMetrics(address string) {
func serveMetrics(ctx gocontext.Context, address string) {
m := http.NewServeMux()
m.Handle("/metrics", metrics.Handler())
if err := http.ListenAndServe(address, m); err != nil {
logrus.WithError(err).Fatal("containerd: metrics server failure")
log.G(ctx).WithError(err).Fatal("metrics server failure")
}
}
func serveGRPC(server *grpc.Server, l net.Listener) {
func serveGRPC(ctx gocontext.Context, server *grpc.Server, l net.Listener) {
defer l.Close()
if err := server.Serve(l); err != nil {
l.Close()
logrus.WithError(err).Fatal("containerd: GRPC server failure")
log.G(ctx).WithError(err).Fatal("GRPC server failure")
}
}
// DumpStacks dumps the runtime stack.
func dumpStacks() {
func dumpStacks(ctx gocontext.Context) {
var (
buf []byte
stackSize int
@ -203,11 +207,11 @@ func dumpStacks() {
bufferLen *= 2
}
buf = buf[:stackSize]
logrus.Infof("=== BEGIN goroutine stack dump ===\n%s\n=== END goroutine stack dump ===", buf)
log.G(ctx).Infof("=== BEGIN goroutine stack dump ===\n%s\n=== END goroutine stack dump ===", buf)
}
func startNATSServer(context *cli.Context) (e *stand.StanServer, err error) {
eventsURL, err := url.Parse(context.GlobalString("events-address"))
func startNATSServer(eventsAddress string) (e *stand.StanServer, err error) {
eventsURL, err := url.Parse(eventsAddress)
if err != nil {
return nil, err
}
@ -237,8 +241,8 @@ func startNATSServer(context *cli.Context) (e *stand.StanServer, err error) {
return s, nil
}
func getNATSPublisher(context *cli.Context) (*nats.EncodedConn, error) {
nc, err := nats.Connect(context.GlobalString("events-address"))
func getNATSPublisher(eventsAddress string) (*nats.EncodedConn, error) {
nc, err := nats.Connect(eventsAddress)
if err != nil {
return nil, err
}