add docs

Makefile

@@ -50,6 +50,7 @@ release: $(BINRELEASE)
 	s3cmd -P put $(BINRELEASE) s3://get.docker.io/builds/`uname -s`/`uname -m`/docker-$(RELEASE_VERSION).tgz
 	s3cmd -P put docker-latest.tgz s3://get.docker.io/builds/`uname -s`/`uname -m`/docker-latest.tgz
 	s3cmd -P put $(SRCRELEASE)/bin/docker s3://get.docker.io/builds/`uname -s`/`uname -m`/docker
+	echo $(RELEASE_VERSION) > latest ; s3cmd -P put latest s3://get.docker.io/latest ; rm latest
 
 srcrelease: $(SRCRELEASE)
 deps: $(DOCKER_DIR)
@@ -65,7 +66,6 @@ $(BINRELEASE): $(SRCRELEASE)
 	rm -f $(BINRELEASE)
 	cd $(SRCRELEASE); make; cp -R bin docker-$(RELEASE_VERSION); tar -f ../$(BINRELEASE) -zv -c docker-$(RELEASE_VERSION)
 	cd $(SRCRELEASE); cp -R bin docker-latest; tar -f ../docker-latest.tgz -zv -c docker-latest
-
 clean:
 	@rm -rf $(dir $(DOCKER_BIN))
 ifeq ($(GOPATH), $(BUILD_DIR))

Vagrantfile

@@ -20,8 +20,6 @@ Vagrant::Config.run do |config|
     pkg_cmd = "apt-get update -qq; apt-get install -q -y python-software-properties; " \
       "add-apt-repository -y ppa:dotcloud/lxc-docker; apt-get update -qq; " \
       "apt-get install -q -y lxc-docker; "
-    # Listen on all interfaces so that the daemon is accessible from the host
-    pkg_cmd << "sed -i -E 's|    /usr/bin/docker -d|    /usr/bin/docker -d -H 0.0.0.0|' /etc/init/docker.conf;"
     # Add X.org Ubuntu backported 3.8 kernel
     pkg_cmd << "add-apt-repository -y ppa:ubuntu-x-swat/r-lts-backport; " \
       "apt-get update -qq; apt-get install -q -y linux-image-3.8.0-19-generic; "

api.go

@@ -488,7 +488,12 @@ func postContainersCreate(srv *Server, version float64, w http.ResponseWriter, r
 		return err
 	}
 
-	if len(config.Dns) == 0 && len(srv.runtime.Dns) == 0 && utils.CheckLocalDns() {
+	resolvConf, err := utils.GetResolvConf()
+	if err != nil {
+		return err
+	}
+
+	if len(config.Dns) == 0 && len(srv.runtime.Dns) == 0 && utils.CheckLocalDns(resolvConf) {
 		out.Warnings = append(out.Warnings, fmt.Sprintf("Docker detected local DNS server on resolv.conf. Using default external servers: %v", defaultDns))
 		config.Dns = defaultDns
 	}
@@ -793,6 +798,7 @@ func postBuild(srv *Server, version float64, w http.ResponseWriter, r *http.Requ
 	remoteURL := r.FormValue("remote")
 	repoName := r.FormValue("t")
 	rawSuppressOutput := r.FormValue("q")
+	rawNoCache := r.FormValue("nocache")
 	repoName, tag := utils.ParseRepositoryTag(repoName)
 
 	var context io.Reader
@@ -839,8 +845,12 @@ func postBuild(srv *Server, version float64, w http.ResponseWriter, r *http.Requ
 	if err != nil {
 		return err
 	}
+	noCache, err := getBoolParam(rawNoCache)
+	if err != nil {
+		return err
+	}
 
-	b := NewBuildFile(srv, utils.NewWriteFlusher(w), !suppressOutput)
+	b := NewBuildFile(srv, utils.NewWriteFlusher(w), !suppressOutput, !noCache)
 	id, err := b.Build(context)
 	if err != nil {
 		fmt.Fprintf(w, "Error build: %s\n", err)

archive.go

@@ -173,7 +173,7 @@ func CopyWithTar(src, dst string) error {
 	}
 	// Create dst, copy src's content into it
 	utils.Debugf("Creating dest directory: %s", dst)
-	if err := os.MkdirAll(dst, 0700); err != nil && !os.IsExist(err) {
+	if err := os.MkdirAll(dst, 0755); err != nil && !os.IsExist(err) {
 		return err
 	}
 	utils.Debugf("Calling TarUntar(%s, %s)", src, dst)

builder.go

@@ -80,7 +80,12 @@ func (builder *Builder) Create(config *Config) (*Container, error) {
 		return nil, err
 	}
 
-	if len(config.Dns) == 0 && len(builder.runtime.Dns) == 0 && utils.CheckLocalDns() {
+	resolvConf, err := utils.GetResolvConf()
+	if err != nil {
+		return nil, err
+	}
+
+	if len(config.Dns) == 0 && len(builder.runtime.Dns) == 0 && utils.CheckLocalDns(resolvConf) {
 		//"WARNING: Docker detected local DNS server on resolv.conf. Using default external servers: %v", defaultDns
 		builder.runtime.Dns = defaultDns
 	}

buildfile.go

@@ -26,11 +26,12 @@ type buildFile struct {
 	builder *Builder
 	srv     *Server
 
-	image      string
-	maintainer string
-	config     *Config
-	context    string
-	verbose    bool
+	image        string
+	maintainer   string
+	config       *Config
+	context      string
+	verbose      bool
+	utilizeCache bool
 
 	tmpContainers map[string]struct{}
 	tmpImages     map[string]struct{}
@@ -94,15 +95,17 @@ func (b *buildFile) CmdRun(args string) error {
 
 	utils.Debugf("Command to be executed: %v", b.config.Cmd)
 
-	if cache, err := b.srv.ImageGetCached(b.image, b.config); err != nil {
-		return err
-	} else if cache != nil {
-		fmt.Fprintf(b.out, " ---> Using cache\n")
-		utils.Debugf("[BUILDER] Use cached version")
-		b.image = cache.ID
-		return nil
-	} else {
-		utils.Debugf("[BUILDER] Cache miss")
+	if b.utilizeCache {
+		if cache, err := b.srv.ImageGetCached(b.image, b.config); err != nil {
+			return err
+		} else if cache != nil {
+			fmt.Fprintf(b.out, " ---> Using cache\n")
+			utils.Debugf("[BUILDER] Use cached version")
+			b.image = cache.ID
+			return nil
+		} else {
+			utils.Debugf("[BUILDER] Cache miss")
+		}
 	}
 
 	cid, err := b.run()
@@ -397,16 +400,19 @@ func (b *buildFile) commit(id string, autoCmd []string, comment string) error {
 		b.config.Cmd = []string{"/bin/sh", "-c", "#(nop) " + comment}
 		defer func(cmd []string) { b.config.Cmd = cmd }(cmd)
 
-		if cache, err := b.srv.ImageGetCached(b.image, b.config); err != nil {
-			return err
-		} else if cache != nil {
-			fmt.Fprintf(b.out, " ---> Using cache\n")
-			utils.Debugf("[BUILDER] Use cached version")
-			b.image = cache.ID
-			return nil
-		} else {
-			utils.Debugf("[BUILDER] Cache miss")
+		if b.utilizeCache {
+			if cache, err := b.srv.ImageGetCached(b.image, b.config); err != nil {
+				return err
+			} else if cache != nil {
+				fmt.Fprintf(b.out, " ---> Using cache\n")
+				utils.Debugf("[BUILDER] Use cached version")
+				b.image = cache.ID
+				return nil
+			} else {
+				utils.Debugf("[BUILDER] Cache miss")
+			}
 		}
+
 		container, err := b.builder.Create(b.config)
 		if err != nil {
 			return err
@@ -500,7 +506,7 @@ func (b *buildFile) Build(context io.Reader) (string, error) {
 	return "", fmt.Errorf("An error occured during the build\n")
 }
 
-func NewBuildFile(srv *Server, out io.Writer, verbose bool) BuildFile {
+func NewBuildFile(srv *Server, out io.Writer, verbose, utilizeCache bool) BuildFile {
 	return &buildFile{
 		builder:       NewBuilder(srv.runtime),
 		runtime:       srv.runtime,
@@ -510,5 +516,6 @@ func NewBuildFile(srv *Server, out io.Writer, verbose bool) BuildFile {
 		tmpContainers: make(map[string]struct{}),
 		tmpImages:     make(map[string]struct{}),
 		verbose:       verbose,
+		utilizeCache:  utilizeCache,
 	}
 }

buildfile_test.go

@@ -195,21 +195,23 @@ func mkTestingFileServer(files [][2]string) (*httptest.Server, error) {
 
 func TestBuild(t *testing.T) {
 	for _, ctx := range testContexts {
-		buildImage(ctx, t)
+		buildImage(ctx, t, nil, true)
 	}
 }
 
-func buildImage(context testContextTemplate, t *testing.T) *Image {
-	runtime, err := newTestRuntime()
-	if err != nil {
-		t.Fatal(err)
-	}
-	defer nuke(runtime)
+func buildImage(context testContextTemplate, t *testing.T, srv *Server, useCache bool) *Image {
+	if srv == nil {
+		runtime, err := newTestRuntime()
+		if err != nil {
+			t.Fatal(err)
+		}
+		defer nuke(runtime)
 
-	srv := &Server{
-		runtime:     runtime,
-		pullingPool: make(map[string]struct{}),
-		pushingPool: make(map[string]struct{}),
+		srv = &Server{
+			runtime:     runtime,
+			pullingPool: make(map[string]struct{}),
+			pushingPool: make(map[string]struct{}),
+		}
 	}
 
 	httpServer, err := mkTestingFileServer(context.remoteFiles)
@@ -224,10 +226,10 @@ func buildImage(context testContextTemplate, t *testing.T) *Image {
 	}
 	port := httpServer.URL[idx+1:]
 
-	ip := runtime.networkManager.bridgeNetwork.IP
+	ip := srv.runtime.networkManager.bridgeNetwork.IP
 	dockerfile := constructDockerfile(context.dockerfile, ip, port)
 
-	buildfile := NewBuildFile(srv, ioutil.Discard, false)
+	buildfile := NewBuildFile(srv, ioutil.Discard, false, useCache)
 	id, err := buildfile.Build(mkTestContext(dockerfile, context.files, t))
 	if err != nil {
 		t.Fatal(err)
@@ -245,7 +247,7 @@ func TestVolume(t *testing.T) {
         from {IMAGE}
         volume /test
         cmd Hello world
-    `, nil, nil}, t)
+    `, nil, nil}, t, nil, true)
 
 	if len(img.Config.Volumes) == 0 {
 		t.Fail()
@@ -261,7 +263,7 @@ func TestBuildMaintainer(t *testing.T) {
 	img := buildImage(testContextTemplate{`
         from {IMAGE}
         maintainer dockerio
-    `, nil, nil}, t)
+    `, nil, nil}, t, nil, true)
 
 	if img.Author != "dockerio" {
 		t.Fail()
@@ -273,7 +275,7 @@ func TestBuildEnv(t *testing.T) {
         from {IMAGE}
         env port 4243
         `,
-		nil, nil}, t)
+		nil, nil}, t, nil, true)
 	hasEnv := false
 	for _, envVar := range img.Config.Env {
 		if envVar == "port=4243" {
@@ -291,7 +293,7 @@ func TestBuildCmd(t *testing.T) {
         from {IMAGE}
         cmd ["/bin/echo", "Hello World"]
         `,
-		nil, nil}, t)
+		nil, nil}, t, nil, true)
 
 	if img.Config.Cmd[0] != "/bin/echo" {
 		t.Log(img.Config.Cmd[0])
@@ -308,7 +310,7 @@ func TestBuildExpose(t *testing.T) {
         from {IMAGE}
         expose 4243
         `,
-		nil, nil}, t)
+		nil, nil}, t, nil, true)
 
 	if img.Config.PortSpecs[0] != "4243" {
 		t.Fail()
@@ -320,8 +322,70 @@ func TestBuildEntrypoint(t *testing.T) {
         from {IMAGE}
         entrypoint ["/bin/echo"]
         `,
-		nil, nil}, t)
+		nil, nil}, t, nil, true)
 
 	if img.Config.Entrypoint[0] != "/bin/echo" {
 	}
 }
+
+func TestBuildImageWithCache(t *testing.T) {
+	runtime, err := newTestRuntime()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer nuke(runtime)
+
+	srv := &Server{
+		runtime:     runtime,
+		pullingPool: make(map[string]struct{}),
+		pushingPool: make(map[string]struct{}),
+	}
+
+	template := testContextTemplate{`
+        from {IMAGE}
+        maintainer dockerio
+        `,
+		nil, nil}
+
+	img := buildImage(template, t, srv, true)
+	imageId := img.ID
+
+	img = nil
+	img = buildImage(template, t, srv, true)
+
+	if imageId != img.ID {
+		t.Logf("Image ids should match: %s != %s", imageId, img.ID)
+		t.Fail()
+	}
+}
+
+func TestBuildImageWithoutCache(t *testing.T) {
+	runtime, err := newTestRuntime()
+	if err != nil {
+		t.Fatal(err)
+	}
+	defer nuke(runtime)
+
+	srv := &Server{
+		runtime:     runtime,
+		pullingPool: make(map[string]struct{}),
+		pushingPool: make(map[string]struct{}),
+	}
+
+	template := testContextTemplate{`
+        from {IMAGE}
+        maintainer dockerio
+        `,
+		nil, nil}
+
+	img := buildImage(template, t, srv, true)
+	imageId := img.ID
+
+	img = nil
+	img = buildImage(template, t, srv, false)
+
+	if imageId == img.ID {
+		t.Logf("Image ids should not match: %s == %s", imageId, img.ID)
+		t.Fail()
+	}
+}