95 lines
3.2 KiB
Go
95 lines
3.2 KiB
Go
package client
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import (
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"fmt"
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"golang.org/x/net/context"
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"github.com/docker/docker/api/client/inspect"
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Cli "github.com/docker/docker/cli"
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flag "github.com/docker/docker/pkg/mflag"
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"github.com/docker/engine-api/client"
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)
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// CmdInspect displays low-level information on one or more containers, images or tasks.
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//
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// Usage: docker inspect [OPTIONS] CONTAINER|IMAGE|TASK [CONTAINER|IMAGE|TASK...]
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func (cli *DockerCli) CmdInspect(args ...string) error {
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cmd := Cli.Subcmd("inspect", []string{"CONTAINER|IMAGE|TASK [CONTAINER|IMAGE|TASK...]"}, Cli.DockerCommands["inspect"].Description, true)
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tmplStr := cmd.String([]string{"f", "-format"}, "", "Format the output using the given go template")
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inspectType := cmd.String([]string{"-type"}, "", "Return JSON for specified type, (e.g image, container or task)")
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size := cmd.Bool([]string{"s", "-size"}, false, "Display total file sizes if the type is container")
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cmd.Require(flag.Min, 1)
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cmd.ParseFlags(args, true)
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if *inspectType != "" && *inspectType != "container" && *inspectType != "image" && *inspectType != "task" {
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return fmt.Errorf("%q is not a valid value for --type", *inspectType)
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}
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ctx := context.Background()
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var elementSearcher inspect.GetRefFunc
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switch *inspectType {
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case "container":
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elementSearcher = cli.inspectContainers(ctx, *size)
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case "image":
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elementSearcher = cli.inspectImages(ctx, *size)
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case "task":
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if *size {
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fmt.Fprintln(cli.err, "WARNING: --size ignored for tasks")
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}
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elementSearcher = cli.inspectTasks(ctx)
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default:
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elementSearcher = cli.inspectAll(ctx, *size)
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}
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return inspect.Inspect(cli.out, cmd.Args(), *tmplStr, elementSearcher)
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}
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func (cli *DockerCli) inspectContainers(ctx context.Context, getSize bool) inspect.GetRefFunc {
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return func(ref string) (interface{}, []byte, error) {
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return cli.client.ContainerInspectWithRaw(ctx, ref, getSize)
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}
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}
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func (cli *DockerCli) inspectImages(ctx context.Context, getSize bool) inspect.GetRefFunc {
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return func(ref string) (interface{}, []byte, error) {
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return cli.client.ImageInspectWithRaw(ctx, ref, getSize)
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}
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}
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func (cli *DockerCli) inspectTasks(ctx context.Context) inspect.GetRefFunc {
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return func(ref string) (interface{}, []byte, error) {
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return cli.client.TaskInspectWithRaw(ctx, ref)
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}
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}
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func (cli *DockerCli) inspectAll(ctx context.Context, getSize bool) inspect.GetRefFunc {
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return func(ref string) (interface{}, []byte, error) {
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c, rawContainer, err := cli.client.ContainerInspectWithRaw(ctx, ref, getSize)
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if err != nil {
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// Search for image with that id if a container doesn't exist.
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if client.IsErrContainerNotFound(err) {
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i, rawImage, err := cli.client.ImageInspectWithRaw(ctx, ref, getSize)
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if err != nil {
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if client.IsErrImageNotFound(err) {
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// Search for task with that id if an image doesn't exists.
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t, rawTask, err := cli.client.TaskInspectWithRaw(ctx, ref)
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if err != nil {
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return nil, nil, fmt.Errorf("Error: No such image, container or task: %s", ref)
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}
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if getSize {
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fmt.Fprintln(cli.err, "WARNING: --size ignored for tasks")
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}
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return t, rawTask, nil
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}
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return nil, nil, err
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}
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return i, rawImage, nil
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}
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return nil, nil, err
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}
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return c, rawContainer, nil
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}
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}
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