bring Error: Command not found: <command> Usage: docker COMMAND [arg...]
A self-sufficient runtime for linux containers.
Commands:
attach Attach to a running container
insert Insert a file in an image
login Register or Login to the docker registry server
export Stream the contents of a container as a tar archive
diff Inspect changes on a container's filesystem
logs Fetch the logs of a container
pull Pull an image or a repository from the docker registry server
restart Restart a running container
build Build a container from Dockerfile or via stdin
history Show the history of an image
kill Kill a running container
rmi Remove an image
start Start a stopped container
tag Tag an image into a repository
commit Create a new image from a container's changes
import Create a new filesystem image from the contents of a tarball
ps List containers
rm Remove a container
run Run a command in a new container
wait Block until a container stops, then print its exit code
images List images
port Lookup the public-facing port which is NAT-ed to PRIVATE_PORT
info Display system-wide information
inspect Return low-level information on a container
push Push an image or a repository to the docker registry server
search Search for an image in the docker index
stop Stop a running container
version Show the docker version information back
Victor Vieux authored on 2013/05/24 01:32:39Showing 1 changed files
| ... | ... |
@@ -30,15 +30,19 @@ var ( |
| 30 | 30 |
GIT_COMMIT string |
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) |
| 32 | 32 |
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+func (cli *DockerCli) getMethod(name string) (reflect.Method, bool) {
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+ methodName := "Cmd" + strings.ToUpper(name[:1]) + strings.ToLower(name[1:]) |
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+ return reflect.TypeOf(cli).MethodByName(methodName) |
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+} |
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+ |
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func ParseCommands(args ...string) error {
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cli := NewDockerCli("0.0.0.0", 4243)
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| 35 | 40 |
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| 36 | 41 |
if len(args) > 0 {
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- methodName := "Cmd" + strings.ToUpper(args[0][:1]) + strings.ToLower(args[0][1:]) |
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- method, exists := reflect.TypeOf(cli).MethodByName(methodName) |
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+ method, exists := cli.getMethod(args[0]) |
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if !exists {
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fmt.Println("Error: Command not found:", args[0])
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- return cli.CmdHelp(args...) |
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+ return cli.CmdHelp(args[1:]...) |
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} |
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ret := method.Func.CallSlice([]reflect.Value{
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reflect.ValueOf(cli), |
| ... | ... |
@@ -53,6 +57,18 @@ func ParseCommands(args ...string) error {
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} |
| 54 | 54 |
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func (cli *DockerCli) CmdHelp(args ...string) error {
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+ if len(args) > 0 {
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+ method, exists := cli.getMethod(args[0]) |
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+ if !exists {
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+ fmt.Println("Error: Command not found:", args[0])
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+ } else {
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+ method.Func.CallSlice([]reflect.Value{
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+ reflect.ValueOf(cli), |
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+ reflect.ValueOf([]string{"--help"}),
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+ })[0].Interface() |
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+ return nil |
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+ } |
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+ } |
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help := "Usage: docker COMMAND [arg...]\n\nA self-sufficient runtime for linux containers.\n\nCommands:\n" |
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for cmd, description := range map[string]string{
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"attach": "Attach to a running container", |