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package daemon
import (
"context"
"github.com/docker/docker/container"
"github.com/docker/docker/libcontainerd"
"github.com/pkg/errors"
"github.com/sirupsen/logrus"
)
// postRunProcessing starts a servicing container if required
func (daemon *Daemon) postRunProcessing(c *container.Container, ei libcontainerd.EventInfo) error {
if ei.ExitCode == 0 && ei.UpdatePending {
spec, err := daemon.createSpec(c)
if err != nil {
return err
}
// Turn on servicing
spec.Windows.Servicing = true
copts, err := daemon.getLibcontainerdCreateOptions(c)
if err != nil {
return err
}
// Create a new servicing container, which will start, complete the
// update, and merge back the results if it succeeded, all as part of
// the below function call.
ctx := context.Background()
svcID := c.ID + "_servicing"
logger := logrus.WithField("container", svcID)
if err := daemon.containerd.Create(ctx, svcID, spec, copts); err != nil {
c.SetExitCode(-1)
return errors.Wrap(err, "post-run update servicing failed")
}
_, err = daemon.containerd.Start(ctx, svcID, "", false, nil)
if err != nil {
logger.WithError(err).Warn("failed to run servicing container")
if err := daemon.containerd.Delete(ctx, svcID); err != nil {
logger.WithError(err).Warn("failed to delete servicing container")
}
} else {
if _, _, err := daemon.containerd.DeleteTask(ctx, svcID); err != nil {
logger.WithError(err).Warn("failed to delete servicing container task")
}
if err := daemon.containerd.Delete(ctx, svcID); err != nil {
logger.WithError(err).Warn("failed to delete servicing container")
}
}
}
return nil
}
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