rename configFile to auth in the job

Docker-DCO-1.1-Signed-off-by: Victor Vieux <victor.vieux@docker.com> (github: vieux)
Upstream-commit: e9c3e397436221528312c0d3b291ae5a12862ed2
Component: engine

components/engine/api/server/server.go

@@ -838,7 +838,6 @@ func postBuild(eng *engine.Engine, version version.Version, w http.ResponseWrite
 	// Both headers will be parsed and sent along to the daemon, but if a non-empty
 	// ConfigFile is present, any value provided as an AuthConfig directly will
 	// be overridden. See BuildFile::CmdFrom for details.
-	// /*
 	var (
 		authEncoded = r.Header.Get("X-Registry-Auth")
 		authConfig  = &registry.AuthConfig{}
@@ -853,7 +852,6 @@ func postBuild(eng *engine.Engine, version version.Version, w http.ResponseWrite
 			configFile.Configs[authConfig.ServerAddress] = *authConfig
 		}
 	}
-	// */
 
 	if configFileEncoded != "" {
 		configFileJson := base64.NewDecoder(base64.URLEncoding, strings.NewReader(configFileEncoded))
@@ -876,7 +874,7 @@ func postBuild(eng *engine.Engine, version version.Version, w http.ResponseWrite
 	job.Setenv("q", r.FormValue("q"))
 	job.Setenv("nocache", r.FormValue("nocache"))
 	job.Setenv("rm", r.FormValue("rm"))
-	job.SetenvJson("configFile", configFile)
+	job.SetenvJson("auth", configFile)
 
 	if err := job.Run(); err != nil {
 		if !job.Stdout.Used() {

components/engine/server/buildfile.go

@@ -82,7 +82,7 @@ func (b *buildFile) CmdFrom(name string) error {
 			job := b.srv.Eng.Job("pull", remote, tag)
 			job.SetenvBool("json", b.sf.Json())
 			job.SetenvBool("parallel", true)
-			job.SetenvJson("configFile", b.configFile)
+			job.SetenvJson("auth", b.configFile)
 			job.Stdout.Add(b.outOld)
 			if err := job.Run(); err != nil {
 				return err

components/engine/server/server.go

@@ -452,7 +452,7 @@ func (srv *Server) Build(job *engine.Job) engine.Status {
 		tag            string
 		context        io.ReadCloser
 	)
-	job.GetenvJson("configFile", configFile)
+	job.GetenvJson("auth", configFile)
 	repoName, tag = utils.ParseRepositoryTag(repoName)
 
 	if remoteURL == "" {
@@ -1392,7 +1392,7 @@ func (srv *Server) ImagePull(job *engine.Job) engine.Status {
 		tag = job.Args[1]
 	}
 
-	job.GetenvJson("configFile", configFile)
+	job.GetenvJson("auth", configFile)
 	job.GetenvJson("metaHeaders", metaHeaders)
 
 	endpoint, _, err := registry.ResolveRepositoryName(localName)