cliconfig: credentials: support getting all auths

docker build is broken because it sends to the daemon the full
cliconfig file which has only Email(s). This patch retrieves all auth
configs from the credentials store.

Signed-off-by: Antonio Murdaca <runcom@redhat.com>
Upstream-commit: 44152144ca766221e97fdaa5200fec3557a64f58
Component: engine

components/engine/api/client/build.go

@@ -229,7 +229,7 @@ func (cli *DockerCli) CmdBuild(args ...string) error {
 		ShmSize:        shmSize,
 		Ulimits:        flUlimits.GetList(),
 		BuildArgs:      runconfigopts.ConvertKVStringsToMap(flBuildArg.GetAll()),
-		AuthConfigs:    cli.configFile.AuthConfigs,
+		AuthConfigs:    cli.retrieveAuthConfigs(),
 	}
 
 	response, err := cli.client.ImageBuild(context.Background(), options)

components/engine/api/client/login.go

@@ -147,6 +147,11 @@ func getCredentials(c *cliconfig.ConfigFile, serverAddress string) (types.AuthCo
 	return s.Get(serverAddress)
 }
 
+func getAllCredentials(c *cliconfig.ConfigFile) (map[string]types.AuthConfig, error) {
+	s := loadCredentialsStore(c)
+	return s.GetAll()
+}
+
 // storeCredentials saves the user credentials in a credentials store.
 // The store is determined by the config file settings.
 func storeCredentials(c *cliconfig.ConfigFile, auth types.AuthConfig) error {

components/engine/api/client/utils.go

@@ -193,3 +193,8 @@ func (cli *DockerCli) resolveAuthConfig(index *registrytypes.IndexInfo) types.Au
 	a, _ := getCredentials(cli.configFile, configKey)
 	return a
 }
+
+func (cli *DockerCli) retrieveAuthConfigs() map[string]types.AuthConfig {
+	acs, _ := getAllCredentials(cli.configFile)
+	return acs
+}