func postContainersCreate(eng *engine.Engine, version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error { if err := parseForm(r); err != nil { return nil } var ( out engine.Env job = eng.Job("create", r.Form.Get("name")) outWarnings []string stdoutBuffer = bytes.NewBuffer(nil) warnings = bytes.NewBuffer(nil) ) if err := job.DecodeEnv(r.Body); err != nil { return err } // Read container ID from the first line of stdout job.Stdout.Add(stdoutBuffer) // Read warnings from stderr job.Stderr.Add(warnings) if err := job.Run(); err != nil { return err } // Parse warnings from stderr scanner := bufio.NewScanner(warnings) for scanner.Scan() { outWarnings = append(outWarnings, scanner.Text()) } out.Set("Id", engine.Tail(stdoutBuffer, 1)) out.SetList("Warnings", outWarnings) return writeJSON(w, http.StatusCreated, out) }
// CmdCommit creates a new image from a container's changes. // // Usage: docker commit [OPTIONS] CONTAINER [REPOSITORY[:TAG]] func (cli *DockerCli) CmdCommit(args ...string) error { cmd := cli.Subcmd("commit", "CONTAINER [REPOSITORY[:TAG]]", "Create a new image from a container's changes", true) flPause := cmd.Bool([]string{"p", "-pause"}, true, "Pause container during commit") flComment := cmd.String([]string{"m", "-message"}, "", "Commit message") flAuthor := cmd.String([]string{"a", "#author", "-author"}, "", "Author (e.g., \"John Hannibal Smith <*****@*****.**>\")") flChanges := opts.NewListOpts(nil) cmd.Var(&flChanges, []string{"c", "-change"}, "Apply Dockerfile instruction to the created image") // FIXME: --run is deprecated, it will be replaced with inline Dockerfile commands. flConfig := cmd.String([]string{"#run", "#-run"}, "", "This option is deprecated and will be removed in a future version in favor of inline Dockerfile-compatible commands") cmd.Require(flag.Max, 2) cmd.Require(flag.Min, 1) utils.ParseFlags(cmd, args, true) var ( name = cmd.Arg(0) repository, tag = parsers.ParseRepositoryTag(cmd.Arg(1)) ) //Check if the given image name can be resolved if repository != "" { if err := registry.ValidateRepositoryName(repository); err != nil { return err } } v := url.Values{} v.Set("container", name) v.Set("repo", repository) v.Set("tag", tag) v.Set("comment", *flComment) v.Set("author", *flAuthor) for _, change := range flChanges.GetAll() { v.Add("changes", change) } if *flPause != true { v.Set("pause", "0") } var ( config *runconfig.Config env engine.Env ) if *flConfig != "" { config = &runconfig.Config{} if err := json.Unmarshal([]byte(*flConfig), config); err != nil { return err } } stream, _, err := cli.call("POST", "/commit?"+v.Encode(), config, nil) if err != nil { return err } if err := env.Decode(stream); err != nil { return err } fmt.Fprintf(cli.out, "%s\n", env.Get("Id")) return nil }
func postContainersSet(eng *engine.Engine, version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error { if vars == nil { return fmt.Errorf("Missing parameter") } var ( setData engine.Env config []struct { Key string Value string } ) if contentType := r.Header.Get("Content-Type"); api.MatchesContentType(contentType, "application/json") { if err := setData.Decode(r.Body); err != nil { return err } } else { return fmt.Errorf("Content-Type not supported: %s", contentType) } if err := setData.GetJson("config", &config); err != nil { return err } job := eng.Job("container_set", vars["name"]) job.SetenvJson("config", config) job.Stdout.Add(w) if err := job.Run(); err != nil { return err } return nil }
func postContainerExecCreate(eng *engine.Engine, version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error { if err := parseForm(r); err != nil { return nil } var ( out engine.Env name = vars["name"] job = eng.Job("execCreate", name) stdoutBuffer = bytes.NewBuffer(nil) ) if err := job.DecodeEnv(r.Body); err != nil { return err } job.Stdout.Add(stdoutBuffer) // Register an instance of Exec in container. if err := job.Run(); err != nil { fmt.Fprintf(os.Stderr, "Error setting up exec command in container %s: %s\n", name, err) return err } // Return the ID out.Set("Id", engine.Tail(stdoutBuffer, 1)) return writeJSON(w, http.StatusCreated, out) }
func TestIPv6InterfaceAllocationAutoNetmaskLe80(t *testing.T) { input := engine.Env{} _, subnet, _ := net.ParseCIDR("2001:db8:1234:1234:1234::/80") // set global ipv6 input.Set("globalIPv6Network", subnet.String()) input.Set("RequestedMac", "ab:cd:ab:cd:ab:cd") output := newInterfaceAllocation(t, input) // ensure global ip with mac ip := net.ParseIP(output.Get("GlobalIPv6")) expected_ip := net.ParseIP("2001:db8:1234:1234:1234:abcd:abcd:abcd") if ip.String() != expected_ip.String() { t.Fatalf("Error ip %s should be %s", ip.String(), expected_ip.String()) } // ensure link local format ip = net.ParseIP(output.Get("LinkLocalIPv6")) expected_ip = net.ParseIP("fe80::a9cd:abff:fecd:abcd") if ip.String() != expected_ip.String() { t.Fatalf("Error ip %s should be %s", ip.String(), expected_ip.String()) } }
func TestPostCommit(t *testing.T) { eng := NewTestEngine(t) defer mkDaemonFromEngine(eng, t).Nuke() // Create a container and remove a file containerID := createTestContainer(eng, &runconfig.Config{ Image: unitTestImageID, Cmd: []string{"touch", "/test"}, }, t, ) containerRun(eng, containerID, t) req, err := http.NewRequest("POST", "/commit?repo=testrepo&testtag=tag&container="+containerID, bytes.NewReader([]byte{})) if err != nil { t.Fatal(err) } r := httptest.NewRecorder() server.ServeRequest(eng, api.APIVERSION, r, req) assertHttpNotError(r, t) if r.Code != http.StatusCreated { t.Fatalf("%d Created expected, received %d\n", http.StatusCreated, r.Code) } var env engine.Env if err := env.Decode(r.Body); err != nil { t.Fatal(err) } if err := eng.Job("image_inspect", env.Get("Id")).Run(); err != nil { t.Fatalf("The image has not been committed") } }
// Issue 7941 - test to make sure a "null" in JSON is just ignored. // W/o this fix a null in JSON would be parsed into a string var as "null" func TestPostCreateNull(t *testing.T) { eng := NewTestEngine(t) daemon := mkDaemonFromEngine(eng, t) defer daemon.Nuke() configStr := fmt.Sprintf(`{ "Hostname":"", "Domainname":"", "Memory":0, "MemorySwap":0, "CpuShares":0, "Cpuset":null, "AttachStdin":true, "AttachStdout":true, "AttachStderr":true, "PortSpecs":null, "ExposedPorts":{}, "Tty":true, "OpenStdin":true, "StdinOnce":true, "Env":[], "Cmd":"ls", "Image":"%s", "Volumes":{}, "WorkingDir":"", "Entrypoint":null, "NetworkDisabled":false, "OnBuild":null}`, unitTestImageID) req, err := http.NewRequest("POST", "/containers/create", strings.NewReader(configStr)) if err != nil { t.Fatal(err) } req.Header.Set("Content-Type", "application/json") r := httptest.NewRecorder() if err := server.ServeRequest(eng, api.APIVERSION, r, req); err != nil { t.Fatal(err) } assertHttpNotError(r, t) if r.Code != http.StatusCreated { t.Fatalf("%d Created expected, received %d\n", http.StatusCreated, r.Code) } var apiRun engine.Env if err := apiRun.Decode(r.Body); err != nil { t.Fatal(err) } containerID := apiRun.Get("Id") containerAssertExists(eng, containerID, t) c := daemon.Get(containerID) if c.Config.Cpuset != "" { t.Fatalf("Cpuset should have been empty - instead its:" + c.Config.Cpuset) } }
// GetRegistryConfig returns current registry configuration. func (s *Service) GetRegistryConfig(job *engine.Job) error { out := engine.Env{} err := out.SetJson("config", s.Config) if err != nil { return err } out.WriteTo(job.Stdout) return nil }
// GetRegistryConfig returns current registry configuration. func (s *Service) GetRegistryConfig(job *engine.Job) engine.Status { out := engine.Env{} err := out.SetJson("config", s.Config) if err != nil { return job.Error(err) } out.WriteTo(job.Stdout) return engine.StatusOK }
func waitForExit(cli *DockerCli, containerId string) (int, error) { stream, _, err := cli.call("POST", "/containers/"+containerId+"/wait", nil, false) if err != nil { return -1, err } var out engine.Env if err := out.Decode(stream); err != nil { return -1, err } return out.GetInt("StatusCode"), nil }
// CmdPort lists port mappings for a container. // If a private port is specified, it also shows the public-facing port that is NATed to the private port. // // Usage: docker port CONTAINER [PRIVATE_PORT[/PROTO]] func (cli *DockerCli) CmdPort(args ...string) error { cmd := cli.Subcmd("port", "CONTAINER [PRIVATE_PORT[/PROTO]]", "List port mappings for the CONTAINER, or lookup the public-facing port that\nis NAT-ed to the PRIVATE_PORT", true) cmd.Require(flag.Min, 1) utils.ParseFlags(cmd, args, true) stream, _, err := cli.call("GET", "/containers/"+cmd.Arg(0)+"/json", nil, nil) if err != nil { return err } env := engine.Env{} if err := env.Decode(stream); err != nil { return err } ports := nat.PortMap{} if err := env.GetSubEnv("NetworkSettings").GetJson("Ports", &ports); err != nil { return err } if cmd.NArg() == 2 { var ( port = cmd.Arg(1) proto = "tcp" parts = strings.SplitN(port, "/", 2) ) if len(parts) == 2 && len(parts[1]) != 0 { port = parts[0] proto = parts[1] } natPort := port + "/" + proto if frontends, exists := ports[nat.Port(port+"/"+proto)]; exists && frontends != nil { for _, frontend := range frontends { fmt.Fprintf(cli.out, "%s:%s\n", frontend.HostIp, frontend.HostPort) } return nil } return fmt.Errorf("Error: No public port '%s' published for %s", natPort, cmd.Arg(0)) } for from, frontends := range ports { for _, frontend := range frontends { fmt.Fprintf(cli.out, "%s -> %s:%s\n", from, frontend.HostIp, frontend.HostPort) } } return nil }
func postContainersWait(eng *engine.Engine, version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error { if vars == nil { return fmt.Errorf("Missing parameter") } var ( env engine.Env stdoutBuffer = bytes.NewBuffer(nil) job = eng.Job("wait", vars["name"]) ) job.Stdout.Add(stdoutBuffer) if err := job.Run(); err != nil { return err } env.Set("StatusCode", engine.Tail(stdoutBuffer, 1)) return writeJSON(w, http.StatusOK, env) }
// CmdTop displays the running processes of a container. // // Usage: docker top CONTAINER func (cli *DockerCli) CmdTop(args ...string) error { cmd := cli.Subcmd("top", "CONTAINER [ps OPTIONS]", "Display the running processes of a container", true) cmd.Require(flag.Min, 1) utils.ParseFlags(cmd, args, true) val := url.Values{} if cmd.NArg() > 1 { val.Set("ps_args", strings.Join(cmd.Args()[1:], " ")) } stream, _, err := cli.call("GET", "/containers/"+cmd.Arg(0)+"/top?"+val.Encode(), nil, nil) if err != nil { return err } var procs engine.Env if err := procs.Decode(stream); err != nil { return err } w := tabwriter.NewWriter(cli.out, 20, 1, 3, ' ', 0) fmt.Fprintln(w, strings.Join(procs.GetList("Titles"), "\t")) processes := [][]string{} if err := procs.GetJson("Processes", &processes); err != nil { return err } for _, proc := range processes { fmt.Fprintln(w, strings.Join(proc, "\t")) } w.Flush() return nil }
func TestPostContainersCopyWhenContainerNotFound(t *testing.T) { eng := NewTestEngine(t) defer mkDaemonFromEngine(eng, t).Nuke() r := httptest.NewRecorder() var copyData engine.Env copyData.Set("Resource", "/test.txt") copyData.Set("HostPath", ".") jsonData := bytes.NewBuffer(nil) if err := copyData.Encode(jsonData); err != nil { t.Fatal(err) } req, err := http.NewRequest("POST", "/containers/id_not_found/copy", jsonData) if err != nil { t.Fatal(err) } req.Header.Add("Content-Type", "application/json") if err := server.ServeRequest(eng, api.APIVERSION, r, req); err != nil { t.Fatal(err) } if r.Code != http.StatusNotFound { t.Fatalf("404 expected for id_not_found Container, received %v", r.Code) } }
func TestPostContainersWait(t *testing.T) { eng := NewTestEngine(t) defer mkDaemonFromEngine(eng, t).Nuke() containerID := createTestContainer(eng, &runconfig.Config{ Image: unitTestImageID, Cmd: []string{"/bin/sleep", "1"}, OpenStdin: true, }, t, ) startContainer(eng, containerID, t) setTimeout(t, "Wait timed out", 3*time.Second, func() { r := httptest.NewRecorder() req, err := http.NewRequest("POST", "/containers/"+containerID+"/wait", bytes.NewReader([]byte{})) if err != nil { t.Fatal(err) } server.ServeRequest(eng, api.APIVERSION, r, req) assertHttpNotError(r, t) var apiWait engine.Env if err := apiWait.Decode(r.Body); err != nil { t.Fatal(err) } if apiWait.GetInt("StatusCode") != 0 { t.Fatalf("Non zero exit code for sleep: %d\n", apiWait.GetInt("StatusCode")) } }) if containerRunning(eng, containerID, t) { t.Fatalf("The container should be stopped after wait") } }
// getExitCode perform an inspect on the container. It returns // the running state and the exit code. func getExitCode(cli *DockerCli, containerId string) (bool, int, error) { stream, _, err := cli.call("GET", "/containers/"+containerId+"/json", nil, false) if err != nil { // If we can't connect, then the daemon probably died. if err != ErrConnectionRefused { return false, -1, err } return false, -1, nil } var result engine.Env if err := result.Decode(stream); err != nil { return false, -1, err } state := result.GetSubEnv("State") return state.GetBool("Running"), state.GetInt("ExitCode"), nil }
func TestIPv6InterfaceAllocationAutoNetmaskGt80(t *testing.T) { input := engine.Env{} _, subnet, _ := net.ParseCIDR("2001:db8:1234:1234:1234::/81") // set global ipv6 input.Set("globalIPv6Network", subnet.String()) output := newInterfaceAllocation(t, input) // ensure low manually assigend global ip ip := net.ParseIP(output.Get("GlobalIPv6")) _, subnet, _ = net.ParseCIDR(fmt.Sprintf("%s/%d", subnet.IP.String(), 120)) if !subnet.Contains(ip) { t.Fatalf("Error ip %s not in subnet %s", ip.String(), subnet.String()) } }
// ResolveRepository splits a repository name into its components // and configuration of the associated registry. func (s *Service) ResolveRepository(job *engine.Job) engine.Status { var ( reposName = job.Args[0] ) repoInfo, err := s.Config.NewRepositoryInfo(reposName) if err != nil { return job.Error(err) } out := engine.Env{} err = out.SetJson("repository", repoInfo) if err != nil { return job.Error(err) } out.WriteTo(job.Stdout) return engine.StatusOK }
// ResolveIndex takes indexName and returns index info func (s *Service) ResolveIndex(job *engine.Job) engine.Status { var ( indexName = job.Args[0] ) index, err := s.Config.NewIndexInfo(indexName) if err != nil { return job.Error(err) } out := engine.Env{} err = out.SetJson("index", index) if err != nil { return job.Error(err) } out.WriteTo(job.Stdout) return engine.StatusOK }
func TestPostContainersCopy(t *testing.T) { eng := NewTestEngine(t) defer mkDaemonFromEngine(eng, t).Nuke() // Create a container and remove a file containerID := createTestContainer(eng, &runconfig.Config{ Image: unitTestImageID, Cmd: []string{"touch", "/test.txt"}, }, t, ) containerRun(eng, containerID, t) r := httptest.NewRecorder() var copyData engine.Env copyData.Set("Resource", "/test.txt") copyData.Set("HostPath", ".") jsonData := bytes.NewBuffer(nil) if err := copyData.Encode(jsonData); err != nil { t.Fatal(err) } req, err := http.NewRequest("POST", "/containers/"+containerID+"/copy", jsonData) if err != nil { t.Fatal(err) } req.Header.Add("Content-Type", "application/json") if err := server.ServeRequest(eng, api.APIVERSION, r, req); err != nil { t.Fatal(err) } assertHttpNotError(r, t) if r.Code != http.StatusOK { t.Fatalf("%d OK expected, received %d\n", http.StatusOK, r.Code) } found := false for tarReader := tar.NewReader(r.Body); ; { h, err := tarReader.Next() if err != nil { if err == io.EOF { break } t.Fatal(err) } if h.Name == "test.txt" { found = true break } } if !found { t.Fatalf("The created test file has not been found in the copied output") } }
// TODO: Krane clean up because i needed to add Ship to String func (cli *KraneCli) createContainer(config *runconfig.Config, hostConfig *runconfig.HostConfig, cidfile, name string, ship string) (engine.Env, error) { containerValues := url.Values{} if name != "" { containerValues.Set("name", name) } if ship != "" { containerValues.Set("ship", ship) } mergedConfig := runconfig.MergeConfigs(config, hostConfig) var containerIDFile *cidFile if cidfile != "" { var err error if containerIDFile, err = newCIDFile(cidfile); err != nil { return nil, err } defer containerIDFile.Close() } //create the container stream, statusCode, err := cli.call("POST", "/containers/create?"+containerValues.Encode(), mergedConfig, false) //if image not found try to pull it if statusCode == 404 { fmt.Fprintf(cli.err, "Unable to find image '%s' locally\n", config.Image) // we don't want to write to stdout anything apart from container.ID if err = cli.pullImageCustomOut(config.Image, cli.err); err != nil { return nil, err } // Retry if stream, _, err = cli.call("POST", "/containers/create?"+containerValues.Encode(), mergedConfig, false); err != nil { return nil, err } } else if err != nil { return nil, err } var result engine.Env if err := result.Decode(stream); err != nil { return nil, err } for _, warning := range result.GetList("Warnings") { fmt.Fprintf(cli.err, "WARNING: %s\n", warning) } if containerIDFile != nil { if err = containerIDFile.Write(result.Get("Id")); err != nil { return nil, err } } return result, nil }
func TestPostContainersCreate(t *testing.T) { eng := NewTestEngine(t) defer mkDaemonFromEngine(eng, t).Nuke() configJSON, err := json.Marshal(&runconfig.Config{ Image: unitTestImageID, Memory: 33554432, Cmd: []string{"touch", "/test"}, }) if err != nil { t.Fatal(err) } req, err := http.NewRequest("POST", "/containers/create", bytes.NewReader(configJSON)) if err != nil { t.Fatal(err) } req.Header.Set("Content-Type", "application/json") r := httptest.NewRecorder() if err := server.ServeRequest(eng, api.APIVERSION, r, req); err != nil { t.Fatal(err) } assertHttpNotError(r, t) if r.Code != http.StatusCreated { t.Fatalf("%d Created expected, received %d\n", http.StatusCreated, r.Code) } var apiRun engine.Env if err := apiRun.Decode(r.Body); err != nil { t.Fatal(err) } containerID := apiRun.Get("Id") containerAssertExists(eng, containerID, t) containerRun(eng, containerID, t) if !containerFileExists(eng, containerID, "test", t) { t.Fatal("Test file was not created") } }
func (daemon *Daemon) ContainerCommit(name string, c *ContainerCommitConfig) (string, error) { container, err := daemon.Get(name) if err != nil { return "", err } var ( subenv engine.Env config = container.Config stdoutBuffer = bytes.NewBuffer(nil) newConfig runconfig.Config ) if err := subenv.Decode(c.Config); err != nil { logrus.Errorf("%s", err) } buildConfigJob := daemon.eng.Job("build_config") buildConfigJob.Stdout.Add(stdoutBuffer) buildConfigJob.SetenvList("changes", c.Changes) // FIXME this should be remove when we remove deprecated config param buildConfigJob.SetenvSubEnv("config", &subenv) if err := buildConfigJob.Run(); err != nil { return "", err } if err := json.NewDecoder(stdoutBuffer).Decode(&newConfig); err != nil { return "", err } if err := runconfig.Merge(&newConfig, config); err != nil { return "", err } img, err := daemon.Commit(container, c.Repo, c.Tag, c.Comment, c.Author, c.Pause, &newConfig) if err != nil { return "", err } return img.ID, nil }
func postCommit(eng *engine.Engine, version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error { if err := parseForm(r); err != nil { return err } var ( config engine.Env env engine.Env job = eng.Job("commit", r.Form.Get("container")) stdoutBuffer = bytes.NewBuffer(nil) ) if err := config.Decode(r.Body); err != nil { utils.Errorf("%s", err) } if r.FormValue("pause") == "" && version.GreaterThanOrEqualTo("1.13") { job.Setenv("pause", "1") } else { job.Setenv("pause", r.FormValue("pause")) } job.Setenv("repo", r.Form.Get("repo")) job.Setenv("tag", r.Form.Get("tag")) job.Setenv("author", r.Form.Get("author")) job.Setenv("comment", r.Form.Get("comment")) job.SetenvSubEnv("config", &config) job.Stdout.Add(stdoutBuffer) if err := job.Run(); err != nil { return err } env.Set("Id", engine.Tail(stdoutBuffer, 1)) return writeJSON(w, http.StatusCreated, env) }
func postAuth(eng *engine.Engine, version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error { var ( authConfig, err = ioutil.ReadAll(r.Body) job = eng.Job("auth") stdoutBuffer = bytes.NewBuffer(nil) ) if err != nil { return err } job.Setenv("authConfig", string(authConfig)) job.Stdout.Add(stdoutBuffer) if err = job.Run(); err != nil { return err } if status := engine.Tail(stdoutBuffer, 1); status != "" { var env engine.Env env.Set("Status", status) return writeJSON(w, http.StatusOK, env) } w.WriteHeader(http.StatusNoContent) return nil }
func postContainersRestore(eng *engine.Engine, version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error { if vars == nil { return fmt.Errorf("Missing parameter") } if err := parseForm(r); err != nil { return err } job := eng.Job("restore", vars["name"], vars["checkpointID"]) job.SetenvBool("clone", r.Form.Get("clone") == "1") stdoutBuffer := bytes.NewBuffer(nil) job.Stdout.Add(stdoutBuffer) if err := job.Run(); err != nil { return err } var out engine.Env out.Set("Id", engine.Tail(stdoutBuffer, 1)) return writeJSON(w, http.StatusOK, out) }
// FIXME: --viz and --tree are deprecated. Remove them in a future version. func (cli *DockerCli) printTreeNode(noTrunc bool, image *engine.Env, prefix string) { var imageID string if noTrunc { imageID = image.Get("Id") } else { imageID = stringid.TruncateID(image.Get("Id")) } fmt.Fprintf(cli.out, "%s%s Virtual Size: %s", prefix, imageID, units.HumanSize(float64(image.GetInt64("VirtualSize")))) if image.GetList("RepoTags")[0] != "<none>:<none>" { fmt.Fprintf(cli.out, " Tags: %s\n", strings.Join(image.GetList("RepoTags"), ", ")) } else { fmt.Fprint(cli.out, "\n") } }
func TestIPv6InterfaceAllocationRequest(t *testing.T) { input := engine.Env{} _, subnet, _ := net.ParseCIDR("2001:db8:1234:1234:1234::/80") expectedIP := net.ParseIP("2001:db8:1234:1234:1234::1328") // set global ipv6 input.Set("globalIPv6Network", subnet.String()) input.Set("RequestedIPv6", expectedIP.String()) output := newInterfaceAllocation(t, input) // ensure global ip with mac ip := net.ParseIP(output.Get("GlobalIPv6")) if ip.String() != expectedIP.String() { t.Fatalf("Error ip %s should be %s", ip.String(), expectedIP.String()) } // retry -> fails for duplicated address input.SetBool("expectFail", true) output = newInterfaceAllocation(t, input) }
// getExecExitCode perform an inspect on the exec command. It returns // the running state and the exit code. func getExecExitCode(cli *DockerCli, execID string) (bool, int, error) { stream, _, err := cli.call("GET", "/exec/"+execID+"/json", nil, nil) if err != nil { // If we can't connect, then the daemon probably died. if err != ErrConnectionRefused { return false, -1, err } return false, -1, nil } var result engine.Env if err := result.Decode(stream); err != nil { return false, -1, err } return result.GetBool("Running"), result.GetInt("ExitCode"), nil }
func postContainersCgroup(eng *engine.Engine, version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error { if vars == nil { return fmt.Errorf("Missing parameter") } saveToFile, err := getBoolParam(r.FormValue("w")) if err != nil { return err } var ( cgroupData engine.Env readSubsystem []string writeSubsystem []struct { Key string Value string } ) if contentType := r.Header.Get("Content-Type"); api.MatchesContentType(contentType, "application/json") { if err := cgroupData.Decode(r.Body); err != nil { return err } } else { return fmt.Errorf("Content-Type not supported: %s", contentType) } readSubsystem = cgroupData.GetList("ReadSubsystem") if err := cgroupData.GetJson("WriteSubsystem", &writeSubsystem); err != nil { return err } job := eng.Job("cgroup", vars["name"]) job.SetenvList("readSubsystem", readSubsystem) job.SetenvJson("writeSubsystem", writeSubsystem) job.SetenvBool("saveToFile", saveToFile) job.Stdout.Add(w) if err := job.Run(); err != nil { return err } return nil }