113 lines
2.8 KiB
Go
113 lines
2.8 KiB
Go
/*
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Copyright The containerd Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package tasks
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import (
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gocontext "context"
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"github.com/containerd/containerd"
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"github.com/containerd/containerd/cio"
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"github.com/containerd/containerd/cmd/ctr/commands"
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"github.com/containerd/containerd/log"
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"github.com/urfave/cli"
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)
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var deleteCommand = cli.Command{
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Name: "delete",
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Usage: "Delete one or more tasks",
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ArgsUsage: "CONTAINER [CONTAINER, ...]",
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Aliases: []string{"del", "remove", "rm"},
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Flags: []cli.Flag{
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cli.BoolFlag{
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Name: "force, f",
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Usage: "Force delete task process",
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},
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cli.StringFlag{
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Name: "exec-id",
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Usage: "Process ID to kill",
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},
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},
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Action: func(context *cli.Context) error {
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var (
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execID = context.String("exec-id")
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force = context.Bool("force")
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)
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client, ctx, cancel, err := commands.NewClient(context)
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if err != nil {
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return err
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}
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defer cancel()
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var opts []containerd.ProcessDeleteOpts
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if force {
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opts = append(opts, containerd.WithProcessKill)
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}
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var exitErr error
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if execID != "" {
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task, err := loadTask(ctx, client, context.Args().First())
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if err != nil {
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return err
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}
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p, err := task.LoadProcess(ctx, execID, nil)
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if err != nil {
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return err
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}
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status, err := p.Delete(ctx, opts...)
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if err != nil {
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return err
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}
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if ec := status.ExitCode(); ec != 0 {
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return cli.NewExitError("", int(ec))
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}
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} else {
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for _, target := range context.Args() {
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task, err := loadTask(ctx, client, target)
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if err != nil {
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if exitErr == nil {
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exitErr = err
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}
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log.G(ctx).WithError(err).Errorf("failed to load task from %v", target)
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continue
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}
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status, err := task.Delete(ctx, opts...)
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if err != nil {
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if exitErr == nil {
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exitErr = err
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}
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log.G(ctx).WithError(err).Errorf("unable to delete %v", task.ID())
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continue
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}
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if ec := status.ExitCode(); ec != 0 {
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log.G(ctx).Warnf("task %v exit with non-zero exit code %v", task.ID(), int(ec))
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}
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}
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}
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return exitErr
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},
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}
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func loadTask(ctx gocontext.Context, client *containerd.Client, containerID string) (containerd.Task, error) {
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container, err := client.LoadContainer(ctx, containerID)
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if err != nil {
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return nil, err
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}
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task, err := container.Task(ctx, cio.Load)
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if err != nil {
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return nil, err
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}
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return task, nil
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}
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