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Convert inspect to cobra.

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Signed-off-by: Daniel Nephin <dnephin@docker.com>
This commit is contained in:
Daniel Nephin 2016-06-23 11:09:49 -04:00
parent 4a94a6513b
commit 851c388ad9
5 changed files with 101 additions and 101 deletions
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4
api/client/commands.go
View file

@ -2,7 +2,5 @@ package client
// Command returns a cli command handler if one exists
func (cli *DockerCli) Command(name string) func(...string) error {
return map[string]func(...string) error{
"inspect": cli.CmdInspect,
}[name]
return map[string]func(...string) error{}[name]
}

95
api/client/inspect.go
View file

@ -1,95 +0,0 @@
package client
import (
"fmt"
"golang.org/x/net/context"
"github.com/docker/docker/api/client/inspect"
Cli "github.com/docker/docker/cli"
flag "github.com/docker/docker/pkg/mflag"
"github.com/docker/engine-api/client"
)
// CmdInspect displays low-level information on one or more containers, images or tasks.
//
// Usage: docker inspect [OPTIONS] CONTAINER|IMAGE|TASK [CONTAINER|IMAGE|TASK...]
func (cli *DockerCli) CmdInspect(args ...string) error {
cmd := Cli.Subcmd("inspect", []string{"[OPTIONS] CONTAINER|IMAGE|TASK [CONTAINER|IMAGE|TASK...]"}, Cli.DockerCommands["inspect"].Description, true)
tmplStr := cmd.String([]string{"f", "-format"}, "", "Format the output using the given go template")
inspectType := cmd.String([]string{"-type"}, "", "Return JSON for specified type, (e.g image, container or task)")
size := cmd.Bool([]string{"s", "-size"}, false, "Display total file sizes if the type is container")
cmd.Require(flag.Min, 1)
cmd.ParseFlags(args, true)
if *inspectType != "" && *inspectType != "container" && *inspectType != "image" && *inspectType != "task" {
return fmt.Errorf("%q is not a valid value for --type", *inspectType)
}
ctx := context.Background()
var elementSearcher inspect.GetRefFunc
switch *inspectType {
case "container":
elementSearcher = cli.inspectContainers(ctx, *size)
case "image":
elementSearcher = cli.inspectImages(ctx, *size)
case "task":
if *size {
fmt.Fprintln(cli.err, "WARNING: --size ignored for tasks")
}
elementSearcher = cli.inspectTasks(ctx)
default:
elementSearcher = cli.inspectAll(ctx, *size)
}
return inspect.Inspect(cli.out, cmd.Args(), *tmplStr, elementSearcher)
}
func (cli *DockerCli) inspectContainers(ctx context.Context, getSize bool) inspect.GetRefFunc {
return func(ref string) (interface{}, []byte, error) {
return cli.client.ContainerInspectWithRaw(ctx, ref, getSize)
}
}
func (cli *DockerCli) inspectImages(ctx context.Context, getSize bool) inspect.GetRefFunc {
return func(ref string) (interface{}, []byte, error) {
return cli.client.ImageInspectWithRaw(ctx, ref, getSize)
}
}
func (cli *DockerCli) inspectTasks(ctx context.Context) inspect.GetRefFunc {
return func(ref string) (interface{}, []byte, error) {
return cli.client.TaskInspectWithRaw(ctx, ref)
}
}
func (cli *DockerCli) inspectAll(ctx context.Context, getSize bool) inspect.GetRefFunc {
return func(ref string) (interface{}, []byte, error) {
c, rawContainer, err := cli.client.ContainerInspectWithRaw(ctx, ref, getSize)
if err != nil {
// Search for image with that id if a container doesn't exist.
if client.IsErrContainerNotFound(err) {
i, rawImage, err := cli.client.ImageInspectWithRaw(ctx, ref, getSize)
if err != nil {
if client.IsErrImageNotFound(err) {
// Search for task with that id if an image doesn't exists.
t, rawTask, err := cli.client.TaskInspectWithRaw(ctx, ref)
if err != nil {
return nil, nil, fmt.Errorf("Error: No such image, container or task: %s", ref)
}
if getSize {
fmt.Fprintln(cli.err, "WARNING: --size ignored for tasks")
}
return t, rawTask, nil
}
return nil, nil, err
}
return i, rawImage, nil
}
return nil, nil, err
}
return c, rawContainer, nil
}
}

98
api/client/system/inspect.go Normal file
View file

@ -0,0 +1,98 @@
package system
import (
"fmt"
"golang.org/x/net/context"
"github.com/docker/docker/api/client"
"github.com/docker/docker/api/client/inspect"
"github.com/docker/docker/cli"
apiclient "github.com/docker/engine-api/client"
"github.com/spf13/cobra"
)
type inspectOptions struct {
format string
inspectType string
size bool
ids []string
}
// NewInspectCommand creates a new cobra.Command for `docker inspect`
func NewInspectCommand(dockerCli *client.DockerCli) *cobra.Command {
var opts inspectOptions
cmd := &cobra.Command{
Use: "inspect [OPTIONS] CONTAINER|IMAGE|TASK [CONTAINER|IMAGE|TASK...]",
Short: "Return low-level information on a container, image or task",
Args: cli.RequiresMinArgs(1),
RunE: func(cmd *cobra.Command, args []string) error {
opts.ids = args
return runInspect(dockerCli, opts)
},
}
flags := cmd.Flags()
flags.StringVarP(&opts.format, "format", "f", "", "Format the output using the given go template")
flags.StringVar(&opts.inspectType, "type", "", "Return JSON for specified type, (e.g image, container or task)")
flags.BoolVarP(&opts.size, "size", "s", false, "Display total file sizes if the type is container")
return cmd
}
func runInspect(dockerCli *client.DockerCli, opts inspectOptions) error {
ctx := context.Background()
client := dockerCli.Client()
var getRefFunc inspect.GetRefFunc
switch opts.inspectType {
case "container":
getRefFunc = func(ref string) (interface{}, []byte, error) {
return client.ContainerInspectWithRaw(ctx, ref, opts.size)
}
case "image":
getRefFunc = func(ref string) (interface{}, []byte, error) {
return client.ImageInspectWithRaw(ctx, ref, opts.size)
}
case "task":
if opts.size {
fmt.Fprintln(dockerCli.Err(), "WARNING: --size ignored for tasks")
}
getRefFunc = func(ref string) (interface{}, []byte, error) {
return client.TaskInspectWithRaw(ctx, ref)
}
case "":
getRefFunc = inspectAll(ctx, dockerCli, opts.size)
default:
return fmt.Errorf("%q is not a valid value for --type", opts.inspectType)
}
return inspect.Inspect(dockerCli.Out(), opts.ids, opts.format, getRefFunc)
}
func inspectAll(ctx context.Context, dockerCli *client.DockerCli, getSize bool) inspect.GetRefFunc {
client := dockerCli.Client()
return func(ref string) (interface{}, []byte, error) {
c, rawContainer, err := client.ContainerInspectWithRaw(ctx, ref, getSize)
if err == nil || !apiclient.IsErrNotFound(err) {
return c, rawContainer, err
}
// Search for image with that id if a container doesn't exist.
i, rawImage, err := client.ImageInspectWithRaw(ctx, ref, getSize)
if err == nil || !apiclient.IsErrNotFound(err) {
return i, rawImage, err
}
// Search for task with that id if an image doesn't exists.
t, rawTask, err := client.TaskInspectWithRaw(ctx, ref)
if err == nil || !apiclient.IsErrNotFound(err) {
if getSize {
fmt.Fprintln(dockerCli.Err(), "WARNING: --size ignored for tasks")
}
return t, rawTask, err
}
return nil, nil, fmt.Errorf("Error: No such image, container or task: %s", ref)
}
}

1
cli/cobraadaptor/adaptor.go
View file

@ -83,6 +83,7 @@ func NewCobraAdaptor(clientFlags *cliflags.ClientFlags) CobraAdaptor {
image.NewTagCommand(dockerCli),
network.NewNetworkCommand(dockerCli),
system.NewEventsCommand(dockerCli),
system.NewInspectCommand(dockerCli),
registry.NewLoginCommand(dockerCli),
registry.NewLogoutCommand(dockerCli),
system.NewVersionCommand(dockerCli),

4
cli/usage.go
View file

@ -7,9 +7,7 @@ type Command struct {
}
// DockerCommandUsage lists the top level docker commands and their short usage
var DockerCommandUsage = []Command{
{"inspect", "Return low-level information on a container, image or task"},
}
var DockerCommandUsage = []Command{}
// DockerCommands stores all the docker command
var DockerCommands = make(map[string]Command)