124 lines
4.8 KiB
Go
124 lines
4.8 KiB
Go
package main
|
|
|
|
import (
|
|
"fmt"
|
|
"os"
|
|
"path/filepath"
|
|
"runtime"
|
|
|
|
"github.com/docker/docker/opts"
|
|
"github.com/docker/docker/pkg/homedir"
|
|
flag "github.com/docker/docker/pkg/mflag"
|
|
)
|
|
|
|
var (
|
|
dockerCertPath = os.Getenv("DOCKER_CERT_PATH")
|
|
dockerTlsVerify = os.Getenv("DOCKER_TLS_VERIFY") != ""
|
|
)
|
|
|
|
func init() {
|
|
if dockerCertPath == "" {
|
|
dockerCertPath = filepath.Join(homedir.Get(), ".docker")
|
|
}
|
|
}
|
|
|
|
func getDaemonConfDir() string {
|
|
// TODO: update for Windows daemon
|
|
if runtime.GOOS == "windows" {
|
|
return filepath.Join(homedir.Get(), ".docker")
|
|
}
|
|
return "/etc/docker"
|
|
}
|
|
|
|
var (
|
|
flVersion = flag.Bool([]string{"v", "-version"}, false, "Print version information and quit")
|
|
flDaemon = flag.Bool([]string{"d", "-daemon"}, false, "Enable daemon mode")
|
|
flDebug = flag.Bool([]string{"D", "-debug"}, false, "Enable debug mode")
|
|
flLogLevel = flag.String([]string{"l", "-log-level"}, "info", "Set the logging level")
|
|
flTls = flag.Bool([]string{"-tls"}, false, "Use TLS; implied by --tlsverify flag")
|
|
flHelp = flag.Bool([]string{"h", "-help"}, false, "Print usage")
|
|
flTlsVerify = flag.Bool([]string{"-tlsverify"}, dockerTlsVerify, "Use TLS and verify the remote")
|
|
|
|
// these are initialized in init() below since their default values depend on dockerCertPath which isn't fully initialized until init() runs
|
|
flTrustKey *string
|
|
flCa *string
|
|
flCert *string
|
|
flKey *string
|
|
flHosts []string
|
|
)
|
|
|
|
func setDefaultConfFlag(flag *string, def string) {
|
|
if *flag == "" {
|
|
if *flDaemon {
|
|
*flag = filepath.Join(getDaemonConfDir(), def)
|
|
} else {
|
|
*flag = filepath.Join(homedir.Get(), ".docker", def)
|
|
}
|
|
}
|
|
}
|
|
|
|
func init() {
|
|
var placeholderTrustKey string
|
|
// TODO use flag flag.String([]string{"i", "-identity"}, "", "Path to libtrust key file")
|
|
flTrustKey = &placeholderTrustKey
|
|
|
|
flCa = flag.String([]string{"-tlscacert"}, filepath.Join(dockerCertPath, defaultCaFile), "Trust certs signed only by this CA")
|
|
flCert = flag.String([]string{"-tlscert"}, filepath.Join(dockerCertPath, defaultCertFile), "Path to TLS certificate file")
|
|
flKey = flag.String([]string{"-tlskey"}, filepath.Join(dockerCertPath, defaultKeyFile), "Path to TLS key file")
|
|
opts.HostListVar(&flHosts, []string{"H", "-host"}, "Daemon socket(s) to use or connect to")
|
|
|
|
flag.Usage = func() {
|
|
fmt.Fprint(os.Stdout, "Usage: docker [OPTIONS] COMMAND [arg...]\n\nA self-sufficient runtime for linux containers.\n\nOptions:\n")
|
|
|
|
flag.CommandLine.SetOutput(os.Stdout)
|
|
flag.PrintDefaults()
|
|
|
|
help := "\nCommands:\n"
|
|
|
|
for _, command := range [][]string{
|
|
{"attach", "Attach to a running container"},
|
|
{"build", "Build an image from a Dockerfile"},
|
|
{"commit", "Create a new image from a container's changes"},
|
|
{"cp", "Copy files/folders from a container's filesystem to the host path"},
|
|
{"create", "Create a new container"},
|
|
{"diff", "Inspect changes on a container's filesystem"},
|
|
{"events", "Get real time events from the server"},
|
|
{"exec", "Run a command in a running container"},
|
|
{"export", "Stream the contents of a container as a tar archive"},
|
|
{"history", "Show the history of an image"},
|
|
{"images", "List images"},
|
|
{"import", "Create a new filesystem image from the contents of a tarball"},
|
|
{"info", "Display system-wide information"},
|
|
{"inspect", "Return low-level information on a container or image"},
|
|
{"kill", "Kill a running container"},
|
|
{"load", "Load an image from a tar archive"},
|
|
{"login", "Register or log in to a Docker registry server"},
|
|
{"logout", "Log out from a Docker registry server"},
|
|
{"logs", "Fetch the logs of a container"},
|
|
{"port", "Lookup the public-facing port that is NAT-ed to PRIVATE_PORT"},
|
|
{"pause", "Pause all processes within a container"},
|
|
{"ps", "List containers"},
|
|
{"pull", "Pull an image or a repository from a Docker registry server"},
|
|
{"push", "Push an image or a repository to a Docker registry server"},
|
|
{"rename", "Rename an existing container"},
|
|
{"restart", "Restart a running container"},
|
|
{"rm", "Remove one or more containers"},
|
|
{"rmi", "Remove one or more images"},
|
|
{"run", "Run a command in a new container"},
|
|
{"save", "Save an image to a tar archive"},
|
|
{"search", "Search for an image on the Docker Hub"},
|
|
{"start", "Start a stopped container"},
|
|
{"stats", "Display a stream of a containers' resource usage statistics"},
|
|
{"stop", "Stop a running container"},
|
|
{"tag", "Tag an image into a repository"},
|
|
{"top", "Lookup the running processes of a container"},
|
|
{"unpause", "Unpause a paused container"},
|
|
{"version", "Show the Docker version information"},
|
|
{"wait", "Block until a container stops, then print its exit code"},
|
|
} {
|
|
help += fmt.Sprintf(" %-10.10s%s\n", command[0], command[1])
|
|
}
|
|
help += "\nRun 'docker COMMAND --help' for more information on a command."
|
|
fmt.Fprintf(os.Stdout, "%s\n", help)
|
|
}
|
|
}
|