func postContainersStart(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 (
name = vars["name"]
job = eng.Job("start", name)
)
// If contentLength is -1, we can assumed chunked encoding
// or more technically that the length is unknown
// http://golang.org/src/pkg/net/http/request.go#L139
// net/http otherwise seems to swallow any headers related to chunked encoding
// including r.TransferEncoding
// allow a nil body for backwards compatibility
if r.Body != nil && (r.ContentLength > 0 || r.ContentLength == -1) {
if err := checkForJson(r); err != nil {
return err
}
if err := job.DecodeEnv(r.Body); err != nil {
return err
}
}
if err := job.Run(); err != nil {
if err.Error() == "Container already started" {
w.WriteHeader(http.StatusNotModified)
return nil
}
return err
}
w.WriteHeader(http.StatusNoContent)
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 wsContainersAttach(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
}
if vars == nil {
return fmt.Errorf("Missing parameter")
}
if err := eng.Job("container_inspect", vars["name"]).Run(); err != nil {
return err
}
h := websocket.Handler(func(ws *websocket.Conn) {
defer ws.Close()
job := eng.Job("attach", vars["name"])
job.Setenv("logs", r.Form.Get("logs"))
job.Setenv("stream", r.Form.Get("stream"))
job.Setenv("stdin", r.Form.Get("stdin"))
job.Setenv("stdout", r.Form.Get("stdout"))
job.Setenv("stderr", r.Form.Get("stderr"))
job.Stdin.Add(ws)
job.Stdout.Add(ws)
job.Stderr.Set(ws)
if err := job.Run(); err != nil {
log.Errorf("Error attaching websocket: %s", err)
}
})
h.ServeHTTP(w, r)
return nil
}
func getImagesSearch(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 (
authEncoded = r.Header.Get("X-Registry-Auth")
authConfig = ®istry.AuthConfig{}
metaHeaders = map[string][]string{}
)
if authEncoded != "" {
authJson := base64.NewDecoder(base64.URLEncoding, strings.NewReader(authEncoded))
if err := json.NewDecoder(authJson).Decode(authConfig); err != nil {
// for a search it is not an error if no auth was given
// to increase compatibility with the existing api it is defaulting to be empty
authConfig = ®istry.AuthConfig{}
}
}
for k, v := range r.Header {
if strings.HasPrefix(k, "X-Meta-") {
metaHeaders[k] = v
}
}
var job = eng.Job("search", r.Form.Get("term"))
job.SetenvJson("metaHeaders", metaHeaders)
job.SetenvJson("authConfig", authConfig)
streamJSON(job, w, false)
return job.Run()
}
// TODO(vishh): Refactor the code to avoid having to specify stream config as part of both create and start.
func postContainerExecStart(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 (
name = vars["name"]
job = eng.Job("execStart", name)
errOut io.Writer = os.Stderr
)
if err := job.DecodeEnv(r.Body); err != nil {
return err
}
if !job.GetenvBool("Detach") {
// Setting up the streaming http interface.
inStream, outStream, err := hijackServer(w)
if err != nil {
return err
}
defer func() {
if tcpc, ok := inStream.(*net.TCPConn); ok {
tcpc.CloseWrite()
} else {
inStream.Close()
}
}()
defer func() {
if tcpc, ok := outStream.(*net.TCPConn); ok {
tcpc.CloseWrite()
} else if closer, ok := outStream.(io.Closer); ok {
closer.Close()
}
}()
var errStream io.Writer
fmt.Fprintf(outStream, "HTTP/1.1 200 OK\r\nContent-Type: application/vnd.docker.raw-stream\r\n\r\n")
if !job.GetenvBool("Tty") && version.GreaterThanOrEqualTo("1.6") {
errStream = stdcopy.NewStdWriter(outStream, stdcopy.Stderr)
outStream = stdcopy.NewStdWriter(outStream, stdcopy.Stdout)
} else {
errStream = outStream
}
job.Stdin.Add(inStream)
job.Stdout.Add(outStream)
job.Stderr.Set(errStream)
errOut = outStream
}
// Now run the user process in container.
job.SetCloseIO(false)
if err := job.Run(); err != nil {
fmt.Fprintf(errOut, "Error starting exec command in container %s: %s\n", name, err)
return err
}
w.WriteHeader(http.StatusNoContent)
return nil
}
// Creates an image from Pull or from Import
func postImagesCreate(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 (
image = r.Form.Get("fromImage")
repo = r.Form.Get("repo")
tag = r.Form.Get("tag")
job *engine.Job
)
authEncoded := r.Header.Get("X-Registry-Auth")
authConfig := ®istry.AuthConfig{}
if authEncoded != "" {
authJson := base64.NewDecoder(base64.URLEncoding, strings.NewReader(authEncoded))
if err := json.NewDecoder(authJson).Decode(authConfig); err != nil {
// for a pull it is not an error if no auth was given
// to increase compatibility with the existing api it is defaulting to be empty
authConfig = ®istry.AuthConfig{}
}
}
if image != "" { //pull
if tag == "" {
image, tag = parsers.ParseRepositoryTag(image)
}
metaHeaders := map[string][]string{}
for k, v := range r.Header {
if strings.HasPrefix(k, "X-Meta-") {
metaHeaders[k] = v
}
}
job = eng.Job("pull", image, tag)
job.SetenvBool("parallel", version.GreaterThan("1.3"))
job.SetenvJson("metaHeaders", metaHeaders)
job.SetenvJson("authConfig", authConfig)
} else { //import
if tag == "" {
repo, tag = parsers.ParseRepositoryTag(repo)
}
job = eng.Job("import", r.Form.Get("fromSrc"), repo, tag)
job.Stdin.Add(r.Body)
}
if version.GreaterThan("1.0") {
job.SetenvBool("json", true)
streamJSON(job, w, true)
} else {
job.Stdout.Add(utils.NewWriteFlusher(w))
}
if err := job.Run(); err != nil {
if !job.Stdout.Used() {
return err
}
sf := utils.NewStreamFormatter(version.GreaterThan("1.0"))
w.Write(sf.FormatError(err))
}
return nil
}
func getImagesViz(eng *engine.Engine, version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if version.GreaterThan("1.6") {
w.WriteHeader(http.StatusNotFound)
return fmt.Errorf("This is now implemented in the client.")
}
eng.ServeHTTP(w, r)
return nil
}
func getContainersChanges(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 job = eng.Job("container_changes", vars["name"])
streamJSON(job, w, false)
return job.Run()
}
func getContainersExport(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")
}
job := eng.Job("export", vars["name"])
job.Stdout.Add(w)
if err := job.Run(); err != nil {
return err
}
return nil
}
func getEvents(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 job = eng.Job("events")
streamJSON(job, w, true)
job.Setenv("since", r.Form.Get("since"))
job.Setenv("until", r.Form.Get("until"))
return job.Run()
}
func getImagesByName(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 job = eng.Job("image_inspect", vars["name"])
if version.LessThan("1.12") {
job.SetenvBool("raw", true)
}
streamJSON(job, w, false)
return job.Run()
}
func postContainersResize(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
}
if vars == nil {
return fmt.Errorf("Missing parameter")
}
if err := eng.Job("resize", vars["name"], r.Form.Get("h"), r.Form.Get("w")).Run(); err != nil {
return err
}
return nil
}
func getImagesHistory(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 job = eng.Job("history", vars["name"])
streamJSON(job, w, false)
if err := job.Run(); err != nil {
return err
}
return nil
}
func postImagesPush(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")
}
metaHeaders := map[string][]string{}
for k, v := range r.Header {
if strings.HasPrefix(k, "X-Meta-") {
metaHeaders[k] = v
}
}
if err := parseForm(r); err != nil {
return err
}
authConfig := ®istry.AuthConfig{}
authEncoded := r.Header.Get("X-Registry-Auth")
if authEncoded != "" {
// the new format is to handle the authConfig as a header
authJson := base64.NewDecoder(base64.URLEncoding, strings.NewReader(authEncoded))
if err := json.NewDecoder(authJson).Decode(authConfig); err != nil {
// to increase compatibility to existing api it is defaulting to be empty
authConfig = ®istry.AuthConfig{}
}
} else {
// the old format is supported for compatibility if there was no authConfig header
if err := json.NewDecoder(r.Body).Decode(authConfig); err != nil {
return err
}
}
job := eng.Job("push", vars["name"])
job.SetenvJson("metaHeaders", metaHeaders)
job.SetenvJson("authConfig", authConfig)
job.Setenv("tag", r.Form.Get("tag"))
if version.GreaterThan("1.0") {
job.SetenvBool("json", true)
streamJSON(job, w, true)
} else {
job.Stdout.Add(utils.NewWriteFlusher(w))
}
if err := job.Run(); err != nil {
if !job.Stdout.Used() {
return err
}
sf := utils.NewStreamFormatter(version.GreaterThan("1.0"))
w.Write(sf.FormatError(err))
}
return nil
}
func deleteImages(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
}
if vars == nil {
return fmt.Errorf("Missing parameter")
}
var job = eng.Job("image_delete", vars["name"])
streamJSON(job, w, false)
job.Setenv("force", r.Form.Get("force"))
job.Setenv("noprune", r.Form.Get("noprune"))
return job.Run()
}
func postContainersUnpause(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("unpause", vars["name"])
if err := job.Run(); err != nil {
return err
}
w.WriteHeader(http.StatusNoContent)
return nil
}
func getContainersTop(eng *engine.Engine, version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if version.LessThan("1.4") {
return fmt.Errorf("top was improved a lot since 1.3, Please upgrade your docker client.")
}
if vars == nil {
return fmt.Errorf("Missing parameter")
}
if err := parseForm(r); err != nil {
return err
}
job := eng.Job("top", vars["name"], r.Form.Get("ps_args"))
streamJSON(job, w, false)
return job.Run()
}
func getImagesJSON(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 (
err error
outs *engine.Table
job = eng.Job("images")
)
job.Setenv("filters", r.Form.Get("filters"))
// FIXME this parameter could just be a match filter
job.Setenv("filter", r.Form.Get("filter"))
job.Setenv("all", r.Form.Get("all"))
if version.GreaterThanOrEqualTo("1.7") {
streamJSON(job, w, false)
} else if outs, err = job.Stdout.AddListTable(); err != nil {
return err
}
if err := job.Run(); err != nil {
return err
}
if version.LessThan("1.7") && outs != nil { // Convert to legacy format
outsLegacy := engine.NewTable("Created", 0)
for _, out := range outs.Data {
for _, repoTag := range out.GetList("RepoTags") {
repo, tag := parsers.ParseRepositoryTag(repoTag)
outLegacy := &engine.Env{}
outLegacy.Set("Repository", repo)
outLegacy.SetJson("Tag", tag)
outLegacy.Set("Id", out.Get("Id"))
outLegacy.SetInt64("Created", out.GetInt64("Created"))
outLegacy.SetInt64("Size", out.GetInt64("Size"))
outLegacy.SetInt64("VirtualSize", out.GetInt64("VirtualSize"))
outsLegacy.Add(outLegacy)
}
}
w.Header().Set("Content-Type", "application/json")
if _, err := outsLegacy.WriteListTo(w); err != nil {
return err
}
}
return nil
}
func postImagesTag(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
}
if vars == nil {
return fmt.Errorf("Missing parameter")
}
job := eng.Job("tag", vars["name"], r.Form.Get("repo"), r.Form.Get("tag"))
job.Setenv("force", r.Form.Get("force"))
if err := job.Run(); err != nil {
return err
}
w.WriteHeader(http.StatusCreated)
return nil
}
func getContainersLogs(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
}
if vars == nil {
return fmt.Errorf("Missing parameter")
}
var (
inspectJob = eng.Job("container_inspect", vars["name"])
logsJob = eng.Job("logs", vars["name"])
c, err = inspectJob.Stdout.AddEnv()
)
if err != nil {
return err
}
logsJob.Setenv("follow", r.Form.Get("follow"))
logsJob.Setenv("tail", r.Form.Get("tail"))
logsJob.Setenv("stdout", r.Form.Get("stdout"))
logsJob.Setenv("stderr", r.Form.Get("stderr"))
logsJob.Setenv("timestamps", r.Form.Get("timestamps"))
// Validate args here, because we can't return not StatusOK after job.Run() call
stdout, stderr := logsJob.GetenvBool("stdout"), logsJob.GetenvBool("stderr")
if !(stdout || stderr) {
return fmt.Errorf("Bad parameters: you must choose at least one stream")
}
if err = inspectJob.Run(); err != nil {
return err
}
var outStream, errStream io.Writer
outStream = utils.NewWriteFlusher(w)
if c.GetSubEnv("Config") != nil && !c.GetSubEnv("Config").GetBool("Tty") && version.GreaterThanOrEqualTo("1.6") {
errStream = stdcopy.NewStdWriter(outStream, stdcopy.Stderr)
outStream = stdcopy.NewStdWriter(outStream, stdcopy.Stdout)
} else {
errStream = outStream
}
logsJob.Stdout.Add(outStream)
logsJob.Stderr.Set(errStream)
if err := logsJob.Run(); err != nil {
fmt.Fprintf(outStream, "Error running logs job: %s\n", err)
}
return nil
}
func postContainersKill(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("kill", vars["name"])
if sig := r.Form.Get("signal"); sig != "" {
job.Args = append(job.Args, sig)
}
if err := job.Run(); err != nil {
return err
}
w.WriteHeader(http.StatusNoContent)
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)
}
func postContainersStop(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
}
if vars == nil {
return fmt.Errorf("Missing parameter")
}
job := eng.Job("stop", vars["name"])
job.Setenv("t", r.Form.Get("t"))
if err := job.Run(); err != nil {
if err.Error() == "Container already stopped" {
w.WriteHeader(http.StatusNotModified)
return nil
}
return err
}
w.WriteHeader(http.StatusNoContent)
return nil
}
func deleteContainers(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
}
if vars == nil {
return fmt.Errorf("Missing parameter")
}
job := eng.Job("rm", vars["name"])
job.Setenv("forceRemove", r.Form.Get("force"))
job.Setenv("removeVolume", r.Form.Get("v"))
job.Setenv("removeLink", r.Form.Get("link"))
if err := job.Run(); err != nil {
return err
}
w.WriteHeader(http.StatusNoContent)
return nil
}
func getImagesGet(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
}
if version.GreaterThan("1.0") {
w.Header().Set("Content-Type", "application/x-tar")
}
var job *engine.Job
if name, ok := vars["name"]; ok {
job = eng.Job("image_export", name)
} else {
job = eng.Job("image_export", r.Form["names"]...)
}
job.Stdout.Add(w)
return job.Run()
}
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 postContainersCopy(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 copyData engine.Env
if err := checkForJson(r); err != nil {
return err
}
if err := copyData.Decode(r.Body); err != nil {
return err
}
if copyData.Get("Resource") == "" {
return fmt.Errorf("Path cannot be empty")
}
origResource := copyData.Get("Resource")
if copyData.Get("Resource")[0] == '/' {
copyData.Set("Resource", copyData.Get("Resource")[1:])
}
job := eng.Job("container_copy", vars["name"], copyData.Get("Resource"))
job.Stdout.Add(w)
w.Header().Set("Content-Type", "application/x-tar")
if err := job.Run(); err != nil {
log.Errorf("%s", err.Error())
if strings.Contains(strings.ToLower(err.Error()), "no such container") {
w.WriteHeader(http.StatusNotFound)
} else if strings.Contains(err.Error(), "no such file or directory") {
return fmt.Errorf("Could not find the file %s in container %s", origResource, vars["name"])
}
}
return nil
}
func getContainersJSON(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 (
err error
outs *engine.Table
job = eng.Job("containers")
)
job.Setenv("all", r.Form.Get("all"))
job.Setenv("size", r.Form.Get("size"))
job.Setenv("since", r.Form.Get("since"))
job.Setenv("before", r.Form.Get("before"))
job.Setenv("limit", r.Form.Get("limit"))
job.Setenv("filters", r.Form.Get("filters"))
if version.GreaterThanOrEqualTo("1.5") {
streamJSON(job, w, false)
} else if outs, err = job.Stdout.AddTable(); err != nil {
return err
}
if err = job.Run(); err != nil {
return err
}
if version.LessThan("1.5") { // Convert to legacy format
for _, out := range outs.Data {
ports := engine.NewTable("", 0)
ports.ReadListFrom([]byte(out.Get("Ports")))
out.Set("Ports", api.DisplayablePorts(ports))
}
w.Header().Set("Content-Type", "application/json")
if _, err = outs.WriteListTo(w); err != nil {
return err
}
}
return 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 := checkForJson(r); err != nil {
return err
}
if err := config.Decode(r.Body); err != nil {
log.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 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 := checkForJson(r); err != nil {
return err
}
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)
}