github.com/rentongzhang/docker@v1.8.2-rc1/api/client/logout.go (about) 1 package client 2 3 import ( 4 "fmt" 5 6 Cli "github.com/docker/docker/cli" 7 flag "github.com/docker/docker/pkg/mflag" 8 "github.com/docker/docker/registry" 9 ) 10 11 // CmdLogout logs a user out from a Docker registry. 12 // 13 // If no server is specified, the user will be logged out from the registry's index server. 14 // 15 // Usage: docker logout [SERVER] 16 func (cli *DockerCli) CmdLogout(args ...string) error { 17 cmd := Cli.Subcmd("logout", []string{"[SERVER]"}, "Log out from a Docker registry, if no server is\nspecified \""+registry.IndexServer+"\" is the default.", true) 18 cmd.Require(flag.Max, 1) 19 20 cmd.ParseFlags(args, true) 21 22 serverAddress := registry.IndexServer 23 if len(cmd.Args()) > 0 { 24 serverAddress = cmd.Arg(0) 25 } 26 27 if _, ok := cli.configFile.AuthConfigs[serverAddress]; !ok { 28 fmt.Fprintf(cli.out, "Not logged in to %s\n", serverAddress) 29 } else { 30 fmt.Fprintf(cli.out, "Remove login credentials for %s\n", serverAddress) 31 delete(cli.configFile.AuthConfigs, serverAddress) 32 33 if err := cli.configFile.Save(); err != nil { 34 return fmt.Errorf("Failed to save docker config: %v", err) 35 } 36 } 37 return nil 38 }