diff --git a/builder_client.go b/builder_client.go deleted file mode 100644 index dc9528ff41..0000000000 --- a/builder_client.go +++ /dev/null @@ -1,314 +0,0 @@ -package docker - -import ( - "bufio" - "encoding/json" - "fmt" - "github.com/dotcloud/docker/utils" - "io" - "net/url" - "os" - "reflect" - "strings" -) - -type builderClient struct { - cli *DockerCli - - image string - maintainer string - config *Config - - tmpContainers map[string]struct{} - tmpImages map[string]struct{} - - needCommit bool -} - -func (b *builderClient) clearTmp(containers, images map[string]struct{}) { - for i := range images { - if _, _, err := b.cli.call("DELETE", "/images/"+i, nil); err != nil { - utils.Debugf("%s", err) - } - utils.Debugf("Removing image %s", i) - } -} - -func (b *builderClient) CmdFrom(name string) error { - obj, statusCode, err := b.cli.call("GET", "/images/"+name+"/json", nil) - if statusCode == 404 { - - remote := name - var tag string - if strings.Contains(remote, ":") { - remoteParts := strings.Split(remote, ":") - tag = remoteParts[1] - remote = remoteParts[0] - } - var out io.Writer - if os.Getenv("DEBUG") != "" { - out = os.Stdout - } else { - out = &utils.NopWriter{} - } - if err := b.cli.stream("POST", "/images/create?fromImage="+remote+"&tag="+tag, nil, out); err != nil { - return err - } - obj, _, err = b.cli.call("GET", "/images/"+name+"/json", nil) - if err != nil { - return err - } - } - if err != nil { - return err - } - - img := &APIID{} - if err := json.Unmarshal(obj, img); err != nil { - return err - } - b.image = img.ID - utils.Debugf("Using image %s", b.image) - return nil -} - -func (b *builderClient) CmdMaintainer(name string) error { - b.needCommit = true - b.maintainer = name - return nil -} - -func (b *builderClient) CmdRun(args string) error { - if b.image == "" { - return fmt.Errorf("Please provide a source image with `from` prior to run") - } - config, _, err := ParseRun([]string{b.image, "/bin/sh", "-c", args}, nil) - if err != nil { - return err - } - - cmd, env := b.config.Cmd, b.config.Env - b.config.Cmd = nil - MergeConfig(b.config, config) - - body, statusCode, err := b.cli.call("POST", "/images/getCache", &APIImageConfig{ID: b.image, Config: b.config}) - if err != nil { - if statusCode != 404 { - return err - } - } - if statusCode != 404 { - apiID := &APIID{} - if err := json.Unmarshal(body, apiID); err != nil { - return err - } - utils.Debugf("Use cached version") - b.image = apiID.ID - return nil - } - cid, err := b.run() - if err != nil { - return err - } - b.config.Cmd, b.config.Env = cmd, env - return b.commit(cid) -} - -func (b *builderClient) CmdEnv(args string) error { - b.needCommit = true - tmp := strings.SplitN(args, " ", 2) - if len(tmp) != 2 { - return fmt.Errorf("Invalid ENV format") - } - key := strings.Trim(tmp[0], " ") - value := strings.Trim(tmp[1], " ") - - for i, elem := range b.config.Env { - if strings.HasPrefix(elem, key+"=") { - b.config.Env[i] = key + "=" + value - return nil - } - } - b.config.Env = append(b.config.Env, key+"="+value) - return nil -} - -func (b *builderClient) CmdCmd(args string) error { - b.needCommit = true - var cmd []string - if err := json.Unmarshal([]byte(args), &cmd); err != nil { - utils.Debugf("Error unmarshalling: %s, using /bin/sh -c", err) - b.config.Cmd = []string{"/bin/sh", "-c", args} - } else { - b.config.Cmd = cmd - } - return nil -} - -func (b *builderClient) CmdExpose(args string) error { - ports := strings.Split(args, " ") - b.config.PortSpecs = append(ports, b.config.PortSpecs...) - return nil -} - -func (b *builderClient) CmdInsert(args string) error { - // tmp := strings.SplitN(args, "\t ", 2) - // sourceUrl, destPath := tmp[0], tmp[1] - - // v := url.Values{} - // v.Set("url", sourceUrl) - // v.Set("path", destPath) - // body, _, err := b.cli.call("POST", "/images/insert?"+v.Encode(), nil) - // if err != nil { - // return err - // } - - // apiId := &APIId{} - // if err := json.Unmarshal(body, apiId); err != nil { - // return err - // } - - // FIXME: Reimplement this, we need to retrieve the resulting Id - return fmt.Errorf("INSERT not implemented") -} - -func (b *builderClient) run() (string, error) { - if b.image == "" { - return "", fmt.Errorf("Please provide a source image with `from` prior to run") - } - b.config.Image = b.image - body, _, err := b.cli.call("POST", "/containers/create", b.config) - if err != nil { - return "", err - } - - apiRun := &APIRun{} - if err := json.Unmarshal(body, apiRun); err != nil { - return "", err - } - for _, warning := range apiRun.Warnings { - fmt.Fprintln(os.Stderr, "WARNING: ", warning) - } - - //start the container - _, _, err = b.cli.call("POST", "/containers/"+apiRun.ID+"/start", nil) - if err != nil { - return "", err - } - b.tmpContainers[apiRun.ID] = struct{}{} - - // Wait for it to finish - body, _, err = b.cli.call("POST", "/containers/"+apiRun.ID+"/wait", nil) - if err != nil { - return "", err - } - apiWait := &APIWait{} - if err := json.Unmarshal(body, apiWait); err != nil { - return "", err - } - if apiWait.StatusCode != 0 { - return "", fmt.Errorf("The command %v returned a non-zero code: %d", b.config.Cmd, apiWait.StatusCode) - } - - return apiRun.ID, nil -} - -func (b *builderClient) commit(id string) error { - if b.image == "" { - return fmt.Errorf("Please provide a source image with `from` prior to run") - } - b.config.Image = b.image - - if id == "" { - cmd := b.config.Cmd - b.config.Cmd = []string{"true"} - cid, err := b.run() - if err != nil { - return err - } - id = cid - b.config.Cmd = cmd - } - - // Commit the container - v := url.Values{} - v.Set("container", id) - v.Set("author", b.maintainer) - - body, _, err := b.cli.call("POST", "/commit?"+v.Encode(), b.config) - if err != nil { - return err - } - apiID := &APIID{} - if err := json.Unmarshal(body, apiID); err != nil { - return err - } - b.tmpImages[apiID.ID] = struct{}{} - b.image = apiID.ID - b.needCommit = false - return nil -} - -func (b *builderClient) Build(dockerfile, context io.Reader) (string, error) { - defer b.clearTmp(b.tmpContainers, b.tmpImages) - file := bufio.NewReader(dockerfile) - for { - line, err := file.ReadString('\n') - if err != nil { - if err == io.EOF { - break - } - return "", err - } - line = strings.Replace(strings.TrimSpace(line), " ", " ", 1) - // Skip comments and empty line - if len(line) == 0 || line[0] == '#' { - continue - } - tmp := strings.SplitN(line, " ", 2) - if len(tmp) != 2 { - return "", fmt.Errorf("Invalid Dockerfile format") - } - instruction := strings.ToLower(strings.Trim(tmp[0], " ")) - arguments := strings.Trim(tmp[1], " ") - - fmt.Fprintf(os.Stderr, "%s %s (%s)\n", strings.ToUpper(instruction), arguments, b.image) - - method, exists := reflect.TypeOf(b).MethodByName("Cmd" + strings.ToUpper(instruction[:1]) + strings.ToLower(instruction[1:])) - if !exists { - fmt.Fprintf(os.Stderr, "Skipping unknown instruction %s\n", strings.ToUpper(instruction)) - } - ret := method.Func.Call([]reflect.Value{reflect.ValueOf(b), reflect.ValueOf(arguments)})[0].Interface() - if ret != nil { - return "", ret.(error) - } - - fmt.Fprintf(os.Stderr, "===> %v\n", b.image) - } - if b.needCommit { - if err := b.commit(""); err != nil { - return "", err - } - } - if b.image != "" { - // The build is successful, keep the temporary containers and images - for i := range b.tmpImages { - delete(b.tmpImages, i) - } - for i := range b.tmpContainers { - delete(b.tmpContainers, i) - } - fmt.Fprintf(os.Stderr, "Build finished. image id: %s\n", b.image) - return b.image, nil - } - return "", fmt.Errorf("An error occured during the build\n") -} - -func NewBuilderClient(addr string, port int) BuildFile { - return &builderClient{ - cli: NewDockerCli(addr, port), - config: &Config{}, - tmpContainers: make(map[string]struct{}), - tmpImages: make(map[string]struct{}), - } -}