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package main
import (
"context"
"io"
"github.com/Microsoft/go-winio/pkg/etwlogrus"
"github.com/containerd/log"
)
func runDaemon(ctx context.Context, cli *daemonCLI) error {
// On Windows, this may be launching as a service or with an option to
// register the service.
stop, runAsService, err := initService(cli)
if err != nil {
return err
}
if stop {
return nil
}
if runAsService {
// If Windows SCM manages the service - no need for PID files
cli.Config.Pidfile = ""
}
err = cli.start(ctx)
if service != nil {
// When running as a service, log the error, so that it's sent to
// the event-log.
log.G(ctx).Error(err)
}
notifyShutdown(err)
return err
}
func initLogging(stdout, _ io.Writer) {
// Maybe there is a historic reason why on non-Windows, stderr is used
// for output. However, on Windows it makes no sense and there is no need.
log.L.Logger.SetOutput(stdout)
// Provider ID: {6996f090-c5de-5082-a81e-5841acc3a635}
// Hook isn't closed explicitly, as it will exist until process exit.
// GUID is generated based on name - see Microsoft/go-winio/tools/etw-provider-gen.
if hook, err := etwlogrus.NewHook("Moby"); err == nil {
log.L.Logger.AddHook(hook)
}
return
}
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