func runLogout(dockerCli *command.DockerCli, serverAddress string) error {
ctx := context.Background()
var isDefaultRegistry bool
if serverAddress == "" {
serverAddress = command.ElectAuthServer(ctx, dockerCli)
isDefaultRegistry = true
}
var (
loggedIn bool
regsToLogout []string
hostnameAddress = serverAddress
regsToTry = []string{serverAddress}
)
if !isDefaultRegistry {
hostnameAddress = registry.ConvertToHostname(serverAddress)
// the tries below are kept for backward compatibility where a user could have
// saved the registry in one of the following format.
regsToTry = append(regsToTry, hostnameAddress, "http://"+hostnameAddress, "https://"+hostnameAddress)
}
// check if we're logged in based on the records in the config file
// which means it couldn't have user/pass cause they may be in the creds store
for _, s := range regsToTry {
if _, ok := dockerCli.ConfigFile().AuthConfigs[s]; ok {
loggedIn = true
regsToLogout = append(regsToLogout, s)
}
}
if !loggedIn {
fmt.Fprintf(dockerCli.Out(), "Not logged in to %s\n", hostnameAddress)
return nil
}
fmt.Fprintf(dockerCli.Out(), "Removing login credentials for %s\n", hostnameAddress)
for _, r := range regsToLogout {
if err := dockerCli.CredentialsStore(r).Erase(r); err != nil {
fmt.Fprintf(dockerCli.Err(), "WARNING: could not erase credentials: %v\n", err)
}
}
return nil
}
func runLogin(dockerCli *command.DockerCli, opts loginOptions) error {
ctx := context.Background()
clnt := dockerCli.Client()
var (
serverAddress string
authServer = command.ElectAuthServer(ctx, dockerCli)
)
if opts.serverAddress != "" {
serverAddress = opts.serverAddress
} else {
serverAddress = authServer
}
isDefaultRegistry := serverAddress == authServer
authConfig, err := command.ConfigureAuth(dockerCli, opts.user, opts.password, serverAddress, isDefaultRegistry)
if err != nil {
return err
}
response, err := clnt.RegistryLogin(ctx, authConfig)
if err != nil {
return err
}
if response.IdentityToken != "" {
authConfig.Password = ""
authConfig.IdentityToken = response.IdentityToken
}
if err := dockerCli.CredentialsStore(serverAddress).Store(authConfig); err != nil {
return fmt.Errorf("Error saving credentials: %v", err)
}
if response.Status != "" {
fmt.Fprintln(dockerCli.Out(), response.Status)
}
return nil
}