package main import ( "fmt" "github.com/containers/image/docker" "github.com/containers/image/pkg/docker/config" "github.com/containers/libpod/cmd/podman/cliconfig" "github.com/containers/libpod/libpod/image" "github.com/pkg/errors" "github.com/spf13/cobra" ) var ( logoutCommand cliconfig.LogoutValues logoutDescription = "Remove the cached username and password for the registry." _logoutCommand = &cobra.Command{ Use: "logout [flags] REGISTRY", Short: "Logout of a container registry", Long: logoutDescription, RunE: func(cmd *cobra.Command, args []string) error { logoutCommand.InputArgs = args logoutCommand.GlobalFlags = MainGlobalOpts logoutCommand.Remote = remoteclient return logoutCmd(&logoutCommand) }, Example: `podman logout quay.io podman logout --all`, } ) func init() { if !remote { _logoutCommand.Example = fmt.Sprintf("%s\n podman logout --authfile authdir/myauths.json quay.io", _logoutCommand.Example) } logoutCommand.Command = _logoutCommand logoutCommand.SetHelpTemplate(HelpTemplate()) logoutCommand.SetUsageTemplate(UsageTemplate()) flags := logoutCommand.Flags() flags.BoolVarP(&logoutCommand.All, "all", "a", false, "Remove the cached credentials for all registries in the auth file") flags.StringVar(&logoutCommand.Authfile, "authfile", getAuthFile(""), "Path of the authentication file. Use REGISTRY_AUTH_FILE environment variable to override") markFlagHiddenForRemoteClient("authfile", flags) } // logoutCmd uses the authentication package to remove the authenticated of a registry // stored in the auth.json file func logoutCmd(c *cliconfig.LogoutValues) error { args := c.InputArgs if len(args) > 1 { return errors.Errorf("too many arguments, logout takes at most 1 argument") } if len(args) == 0 && !c.All { return errors.Errorf("registry must be given") } var server string if len(args) == 1 { server = scrubServer(args[0]) } sc := image.GetSystemContext("", c.Authfile, false) if c.All { if err := config.RemoveAllAuthentication(sc); err != nil { return err } fmt.Println("Removed login credentials for all registries") return nil } err := config.RemoveAuthentication(sc, server) switch errors.Cause(err) { case nil: fmt.Printf("Removed login credentials for %s\n", server) return nil case config.ErrNotLoggedIn: // username of user logged in to server (if one exists) userFromAuthFile, passFromAuthFile, err := config.GetAuthentication(sc, server) if err != nil { return errors.Wrapf(err, "error reading auth file") } islogin := docker.CheckAuth(getContext(), sc, userFromAuthFile, passFromAuthFile, server) if userFromAuthFile != "" && passFromAuthFile != "" && islogin == nil { fmt.Printf("Not logged into %s with podman. Existing credentials were established via docker login. Please use docker logout instead.\n", server) return nil } fmt.Printf("Not logged into %s\n", server) return nil default: return errors.Wrapf(err, "error logging out of %q", server) } }