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moby--moby/libcontainerd/remote_daemon_windows.go
Sebastiaan van Stijn aaa1392279
Pass log-level to containerd
dockerd allows the `--log-level` to be specified, but this log-level
was not forwarded to the containerd process.

This patch sets containerd's log-level to the same as dockerd if a
custom level is provided.

Now that `--log-level` is also passed to containerd, the default "info"
is removed, so that containerd's default (or the level configured in containerd.toml)
is still used if no log-level is set.

Before this change:

containerd would always be started without a log-level set (only the level that's configured in `containerd.toml`);

```
root      1014  2.5  2.1 496484 43468 pts/0    Sl+  12:23   0:00 dockerd
root      1023  1.2  1.1 681768 23832 ?        Ssl  12:23   0:00  \_ docker-containerd --config /var/run/docker/containerd/containerd.toml
```

After this change:

when running `dockerd` without options (same as current);

```
root      1014  2.5  2.1 496484 43468 pts/0    Sl+  12:23   0:00 dockerd
root      1023  1.2  1.1 681768 23832 ?        Ssl  12:23   0:00  \_ docker-containerd --config /var/run/docker/containerd/containerd.toml
```

when running `dockerd --debug`:

```
root       600  0.8  2.1 512876 43180 pts/0    Sl+  12:20   0:00 dockerd --debug
root       608  0.6  1.1 624428 23672 ?        Ssl  12:20   0:00  \_ docker-containerd --config /var/run/docker/containerd/containerd.toml --log-level debug
```

when running `dockerd --log-level=panic`

```
root       747  0.6  2.1 496548 43996 pts/0    Sl+  12:21   0:00 dockerd --log-level=panic
root       755  0.7  1.1 550696 24100 ?        Ssl  12:21   0:00  \_ docker-containerd --config /var/run/docker/containerd/containerd.toml --log-level panic
```

combining `--debug` and `--log-level` (`--debug` takes precedence):

```
root       880  2.7  2.1 634692 43336 pts/0    Sl+  12:23   0:00 dockerd --debug --log-level=panic
root       888  1.0  1.1 616232 23652 ?        Ssl  12:23   0:00  \_ docker-containerd --config /var/run/docker/containerd/containerd.toml --log-level debug
```

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>
2018-07-09 15:38:08 +02:00

47 lines
1 KiB
Go

// +build remote_daemon
package libcontainerd // import "github.com/docker/docker/libcontainerd"
import (
"os"
)
const (
grpcPipeName = `\\.\pipe\docker-containerd-containerd`
debugPipeName = `\\.\pipe\docker-containerd-debug`
)
func (r *remote) setDefaults() {
if r.GRPC.Address == "" {
r.GRPC.Address = grpcPipeName
}
if r.Debug.Address == "" {
r.Debug.Address = debugPipeName
}
if r.snapshotter == "" {
r.snapshotter = "naive" // TODO(mlaventure): switch to "windows" once implemented
}
}
func (r *remote) stopDaemon() {
p, err := os.FindProcess(r.daemonPid)
if err != nil {
r.logger.WithField("pid", r.daemonPid).Warn("could not find daemon process")
return
}
if err = p.Kill(); err != nil {
r.logger.WithError(err).WithField("pid", r.daemonPid).Warn("could not kill daemon process")
return
}
_, err = p.Wait()
if err != nil {
r.logger.WithError(err).WithField("pid", r.daemonPid).Warn("wait for daemon process")
return
}
}
func (r *remote) platformCleanup() {
// Nothing to do
}