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moby--moby/api/client/logout.go
Josh Hawn 4cb0c93f92 api/client: Allow for multi-line usage help
Subcommands can provide multiple usage synopses.

Docker-DCO-1.1-Signed-off-by: Josh Hawn <josh.hawn@docker.com> (github: jlhawn)
2015-06-10 16:14:45 -07:00

36 lines
1.1 KiB
Go

package client
import (
"fmt"
flag "github.com/docker/docker/pkg/mflag"
"github.com/docker/docker/registry"
)
// CmdLogout logs a user out from a Docker registry.
//
// If no server is specified, the user will be logged out from the registry's index server.
//
// Usage: docker logout [SERVER]
func (cli *DockerCli) CmdLogout(args ...string) error {
cmd := cli.Subcmd("logout", []string{"[SERVER]"}, "Log out from a Docker registry, if no server is\nspecified \""+registry.IndexServerAddress()+"\" is the default.", true)
cmd.Require(flag.Max, 1)
cmd.ParseFlags(args, true)
serverAddress := registry.IndexServerAddress()
if len(cmd.Args()) > 0 {
serverAddress = cmd.Arg(0)
}
if _, ok := cli.configFile.AuthConfigs[serverAddress]; !ok {
fmt.Fprintf(cli.out, "Not logged in to %s\n", serverAddress)
} else {
fmt.Fprintf(cli.out, "Remove login credentials for %s\n", serverAddress)
delete(cli.configFile.AuthConfigs, serverAddress)
if err := cli.configFile.Save(); err != nil {
return fmt.Errorf("Failed to save docker config: %v", err)
}
}
return nil
}