/
restart.go
77 lines (65 loc) · 2.17 KB
/
restart.go
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/*
Copyright The containerd Authors.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
*/
package composer
import (
"context"
"fmt"
"sync"
"github.com/compose-spec/compose-go/types"
"github.com/containerd/containerd"
"github.com/containerd/log"
"github.com/containerd/nerdctl/pkg/labels"
)
// RestartOptions stores all option input from `nerdctl compose restart`
type RestartOptions struct {
Timeout *uint
}
// Restart restarts running/stopped containers in `services`. It calls
// `nerdctl restart CONTAINER_ID` to do the actual job.
func (c *Composer) Restart(ctx context.Context, opt RestartOptions, services []string) error {
// in dependency order
return c.project.WithServices(services, func(svc types.ServiceConfig) error {
containers, err := c.Containers(ctx, svc.Name)
if err != nil {
return err
}
return c.restartContainers(ctx, containers, opt)
})
}
func (c *Composer) restartContainers(ctx context.Context, containers []containerd.Container, opt RestartOptions) error {
var timeoutArg string
if opt.Timeout != nil {
// `nerdctl restart` uses `--time` instead of `--timeout`
timeoutArg = fmt.Sprintf("--time=%d", *opt.Timeout)
}
var rsWG sync.WaitGroup
for _, container := range containers {
container := container
rsWG.Add(1)
go func() {
defer rsWG.Done()
info, _ := container.Info(ctx, containerd.WithoutRefreshedMetadata)
log.G(ctx).Infof("Restarting container %s", info.Labels[labels.Name])
args := []string{"restart"}
if opt.Timeout != nil {
args = append(args, timeoutArg)
}
args = append(args, container.ID())
if err := c.runNerdctlCmd(ctx, args...); err != nil {
log.G(ctx).Warn(err)
}
}()
}
rsWG.Wait()
return nil
}