func (n *networkRouter) postNetworkDisconnect(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
var disconnect types.NetworkDisconnect
if err := httputils.ParseForm(r); err != nil {
return err
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
if err := json.NewDecoder(r.Body).Decode(&disconnect); err != nil {
return err
}
nw, err := n.daemon.FindNetwork(vars["id"])
if err != nil {
return err
}
container, err := n.daemon.Get(disconnect.Container)
if err != nil {
return fmt.Errorf("invalid container %s : %v", container, err)
}
return container.DisconnectFromNetwork(nw)
}
// debugRequestMiddleware dumps the request to logger
func debugRequestMiddleware(handler httputils.APIFunc) httputils.APIFunc {
return func(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
logrus.Debugf("%s %s", r.Method, r.RequestURI)
if r.Method == "POST" {
if err := httputils.CheckForJSON(r); err == nil {
var buf bytes.Buffer
if _, err := buf.ReadFrom(r.Body); err == nil {
r.Body.Close()
r.Body = ioutil.NopCloser(&buf)
var postForm map[string]interface{}
if err := json.Unmarshal(buf.Bytes(), &postForm); err == nil {
if _, exists := postForm["password"]; exists {
postForm["password"] = "******"
}
formStr, errMarshal := json.Marshal(postForm)
if errMarshal == nil {
logrus.Debugf("form data: %s", string(formStr))
} else {
logrus.Debugf("form data: %q", postForm)
}
}
}
}
}
return handler(ctx, w, r, vars)
}
}
func (s *containerRouter) postContainersStart(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
// If contentLength is -1, we can assumed chunked encoding
// or more technically that the length is unknown
// https://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
version := httputils.VersionFromContext(ctx)
var hostConfig *container.HostConfig
// A non-nil json object is at least 7 characters.
if r.ContentLength > 7 || r.ContentLength == -1 {
if versions.GreaterThanOrEqualTo(version, "1.24") {
return validationError{fmt.Errorf("starting container with non-empty request body was deprecated since v1.10 and removed in v1.12")}
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
c, err := s.decoder.DecodeHostConfig(r.Body)
if err != nil {
return err
}
hostConfig = c
}
validateHostname := versions.GreaterThanOrEqualTo(version, "1.24")
if err := s.backend.ContainerStart(vars["name"], hostConfig, validateHostname); err != nil {
return err
}
w.WriteHeader(http.StatusNoContent)
return nil
}
func (s *containerRouter) postContainerUpdate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := httputils.ParseForm(r); err != nil {
return err
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
version := httputils.VersionFromContext(ctx)
var updateConfig container.UpdateConfig
decoder := json.NewDecoder(r.Body)
if err := decoder.Decode(&updateConfig); err != nil {
return err
}
hostConfig := &container.HostConfig{
Resources: updateConfig.Resources,
RestartPolicy: updateConfig.RestartPolicy,
}
name := vars["name"]
validateHostname := versions.GreaterThanOrEqualTo(version, "1.24")
warnings, err := s.backend.ContainerUpdate(name, hostConfig, validateHostname)
if err != nil {
return err
}
return httputils.WriteJSON(w, http.StatusOK, &types.ContainerUpdateResponse{
Warnings: warnings,
})
}
func (s *containerRouter) postContainerExecCreate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := httputils.ParseForm(r); err != nil {
return err
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
name := vars["name"]
execConfig := &types.ExecConfig{}
if err := json.NewDecoder(r.Body).Decode(execConfig); err != nil {
return err
}
if len(execConfig.Cmd) == 0 {
return fmt.Errorf("No exec command specified")
}
// Register an instance of Exec in container.
id, err := s.backend.ContainerExecCreate(name, execConfig)
if err != nil {
logrus.Errorf("Error setting up exec command in container %s: %v", name, err)
return err
}
return httputils.WriteJSON(w, http.StatusCreated, &types.ContainerExecCreateResponse{
ID: id,
})
}
func (s *router) postContainersStart(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
// If contentLength is -1, we can assumed chunked encoding
// or more technically that the length is unknown
// https://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
var hostConfig *runconfig.HostConfig
if r.Body != nil && (r.ContentLength > 0 || r.ContentLength == -1) {
if err := httputils.CheckForJSON(r); err != nil {
return err
}
c, err := runconfig.DecodeHostConfig(r.Body)
if err != nil {
return err
}
hostConfig = c
}
if err := s.daemon.ContainerStart(vars["name"], hostConfig); err != nil {
return err
}
w.WriteHeader(http.StatusNoContent)
return nil
}
func (n *networkRouter) postNetworkDisconnect(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
var disconnect types.NetworkDisconnect
if err := httputils.ParseForm(r); err != nil {
return err
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
if err := json.NewDecoder(r.Body).Decode(&disconnect); err != nil {
return err
}
nw, err := n.backend.FindNetwork(vars["id"])
if err != nil {
return err
}
if nw.Info().Dynamic() {
err := fmt.Errorf("operation not supported for swarm scoped networks")
return errors.NewRequestForbiddenError(err)
}
return n.backend.DisconnectContainerFromNetwork(disconnect.Container, nw, disconnect.Force)
}
func (n *networkRouter) postNetworkCreate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
var create types.NetworkCreateRequest
if err := httputils.ParseForm(r); err != nil {
return err
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
if err := json.NewDecoder(r.Body).Decode(&create); err != nil {
return err
}
if _, err := n.clusterProvider.GetNetwork(create.Name); err == nil {
return libnetwork.NetworkNameError(create.Name)
}
nw, err := n.backend.CreateNetwork(create)
if err != nil {
if _, ok := err.(libnetwork.ManagerRedirectError); !ok {
return err
}
id, err := n.clusterProvider.CreateNetwork(create)
if err != nil {
return err
}
nw = &types.NetworkCreateResponse{ID: id}
}
return httputils.WriteJSON(w, http.StatusCreated, nw)
}
func (s *containerRouter) postContainerUpdate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := httputils.ParseForm(r); err != nil {
return err
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
var updateConfig container.UpdateConfig
decoder := json.NewDecoder(r.Body)
if err := decoder.Decode(&updateConfig); err != nil {
return err
}
hostConfig := &container.HostConfig{
Resources: updateConfig.Resources,
RestartPolicy: updateConfig.RestartPolicy,
}
name := vars["name"]
resp, err := s.backend.ContainerUpdate(name, hostConfig)
if err != nil {
return err
}
return httputils.WriteJSON(w, http.StatusOK, resp)
}
// postContainersCopy is deprecated in favor of getContainersArchive.
func (s *router) postContainersCopy(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := httputils.CheckForJSON(r); err != nil {
return err
}
cfg := types.CopyConfig{}
if err := json.NewDecoder(r.Body).Decode(&cfg); err != nil {
return err
}
if cfg.Resource == "" {
return fmt.Errorf("Path cannot be empty")
}
data, err := s.daemon.ContainerCopy(vars["name"], cfg.Resource)
if err != nil {
if strings.Contains(strings.ToLower(err.Error()), "no such id") {
w.WriteHeader(http.StatusNotFound)
return nil
}
if os.IsNotExist(err) {
return fmt.Errorf("Could not find the file %s in container %s", cfg.Resource, vars["name"])
}
return err
}
defer data.Close()
w.Header().Set("Content-Type", "application/x-tar")
if _, err := io.Copy(w, data); err != nil {
return err
}
return nil
}
func (s *containerRouter) postContainersCreate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := httputils.ParseForm(r); err != nil {
return err
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
name := r.Form.Get("name")
config, hostConfig, networkingConfig, err := s.decoder.DecodeConfig(r.Body)
if err != nil {
return err
}
version := httputils.VersionFromContext(ctx)
adjustCPUShares := versions.LessThan(version, "1.19")
ccr, err := s.backend.ContainerCreate(types.ContainerCreateConfig{
Name: name,
Config: config,
HostConfig: hostConfig,
NetworkingConfig: networkingConfig,
AdjustCPUShares: adjustCPUShares,
})
if err != nil {
return err
}
return httputils.WriteJSON(w, http.StatusCreated, ccr)
}
// TODO(vishh): Refactor the code to avoid having to specify stream config as part of both create and start.
func (s *containerRouter) postContainerExecStart(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := httputils.ParseForm(r); err != nil {
return err
}
version := httputils.VersionFromContext(ctx)
if versions.GreaterThan(version, "1.21") {
if err := httputils.CheckForJSON(r); err != nil {
return err
}
}
var (
execName = vars["name"]
stdin, inStream io.ReadCloser
stdout, stderr, outStream io.Writer
)
execStartCheck := &types.ExecStartCheck{}
if err := json.NewDecoder(r.Body).Decode(execStartCheck); err != nil {
return err
}
if exists, err := s.backend.ExecExists(execName); !exists {
return err
}
if !execStartCheck.Detach {
var err error
// Setting up the streaming http interface.
inStream, outStream, err = httputils.HijackConnection(w)
if err != nil {
return err
}
defer httputils.CloseStreams(inStream, outStream)
if _, ok := r.Header["Upgrade"]; ok {
fmt.Fprintf(outStream, "HTTP/1.1 101 UPGRADED\r\nContent-Type: application/vnd.docker.raw-stream\r\nConnection: Upgrade\r\nUpgrade: tcp\r\n\r\n")
} else {
fmt.Fprintf(outStream, "HTTP/1.1 200 OK\r\nContent-Type: application/vnd.docker.raw-stream\r\n\r\n")
}
stdin = inStream
stdout = outStream
if !execStartCheck.Tty {
stderr = stdcopy.NewStdWriter(outStream, stdcopy.Stderr)
stdout = stdcopy.NewStdWriter(outStream, stdcopy.Stdout)
}
}
// Now run the user process in container.
if err := s.backend.ContainerExecStart(execName, stdin, stdout, stderr); err != nil {
if execStartCheck.Detach {
return err
}
stdout.Write([]byte(err.Error() + "\r\n"))
logrus.Errorf("Error running exec in container: %v", err)
}
return nil
}
func (s *router) postCommit(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := httputils.ParseForm(r); err != nil {
return err
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
cname := r.Form.Get("container")
pause := httputils.BoolValue(r, "pause")
version := httputils.VersionFromContext(ctx)
if r.FormValue("pause") == "" && version.GreaterThanOrEqualTo("1.13") {
pause = true
}
c, _, _, err := runconfig.DecodeContainerConfig(r.Body)
if err != nil && err != io.EOF { //Do not fail if body is empty.
return err
}
if c == nil {
c = &container.Config{}
}
if !s.daemon.Exists(cname) {
return derr.ErrorCodeNoSuchContainer.WithArgs(cname)
}
newConfig, err := dockerfile.BuildFromConfig(c, r.Form["changes"])
if err != nil {
return err
}
commitCfg := &types.ContainerCommitConfig{
Pause: pause,
Repo: r.Form.Get("repo"),
Tag: r.Form.Get("tag"),
Author: r.Form.Get("author"),
Comment: r.Form.Get("comment"),
Config: newConfig,
MergeConfigs: true,
}
imgID, err := s.daemon.Commit(cname, commitCfg)
if err != nil {
return err
}
return httputils.WriteJSON(w, http.StatusCreated, &types.ContainerCommitResponse{
ID: string(imgID),
})
}
func (n *networkRouter) postNetworkDisconnect(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
var disconnect types.NetworkDisconnect
if err := httputils.ParseForm(r); err != nil {
return err
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
if err := json.NewDecoder(r.Body).Decode(&disconnect); err != nil {
return err
}
return n.backend.DisconnectContainerFromNetwork(disconnect.Container, vars["id"], disconnect.Force)
}
func (n *networkRouter) postNetworkConnect(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
var connect types.NetworkConnect
if err := httputils.ParseForm(r); err != nil {
return err
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
if err := json.NewDecoder(r.Body).Decode(&connect); err != nil {
return err
}
return n.backend.ConnectContainerToNetwork(connect.Container, vars["id"], connect.EndpointConfig)
}
func (s *imageRouter) postCommit(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := httputils.ParseForm(r); err != nil {
return err
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
cname := r.Form.Get("container")
pause := httputils.BoolValue(r, "pause")
version := httputils.VersionFromContext(ctx)
if r.FormValue("pause") == "" && versions.GreaterThanOrEqualTo(version, "1.13") {
pause = true
}
c, _, _, err := s.decoder.DecodeConfig(r.Body)
if err != nil && err != io.EOF { //Do not fail if body is empty.
return err
}
if c == nil {
c = &container.Config{}
}
commitCfg := &backend.ContainerCommitConfig{
ContainerCommitConfig: types.ContainerCommitConfig{
Pause: pause,
Repo: r.Form.Get("repo"),
Tag: r.Form.Get("tag"),
Author: r.Form.Get("author"),
Comment: r.Form.Get("comment"),
Config: c,
MergeConfigs: true,
},
Changes: r.Form["changes"],
}
imgID, err := s.backend.Commit(cname, commitCfg)
if err != nil {
return err
}
return httputils.WriteJSON(w, http.StatusCreated, &types.ContainerCommitResponse{
ID: string(imgID),
})
}
func (n *networkRouter) postNetworkCreate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
var create types.NetworkCreate
var warning string
if err := httputils.ParseForm(r); err != nil {
return err
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
if err := json.NewDecoder(r.Body).Decode(&create); err != nil {
return err
}
if runconfig.IsPreDefinedNetwork(create.Name) {
return httputils.WriteJSON(w, http.StatusForbidden,
fmt.Sprintf("%s is a pre-defined network and cannot be created", create.Name))
}
nw, err := n.backend.GetNetworkByName(create.Name)
if _, ok := err.(libnetwork.ErrNoSuchNetwork); err != nil && !ok {
return err
}
if nw != nil {
if create.CheckDuplicate {
return libnetwork.NetworkNameError(create.Name)
}
warning = fmt.Sprintf("Network with name %s (id : %s) already exists", nw.Name(), nw.ID())
}
nw, err = n.backend.CreateNetwork(create.Name, create.Driver, create.IPAM, create.Options, create.Internal, create.EnableIPv6)
if err != nil {
return err
}
return httputils.WriteJSON(w, http.StatusCreated, &types.NetworkCreateResponse{
ID: nw.ID(),
Warning: warning,
})
}
func (v *volumeRouter) postVolumesCreate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := httputils.ParseForm(r); err != nil {
return err
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
var req types.VolumeCreateRequest
if err := json.NewDecoder(r.Body).Decode(&req); err != nil {
return err
}
volume, err := v.backend.VolumeCreate(req.Name, req.Driver, req.DriverOpts, req.Labels)
if err != nil {
return err
}
return httputils.WriteJSON(w, http.StatusCreated, volume)
}
func (n *networkRouter) postNetworksPrune(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := httputils.ParseForm(r); err != nil {
return err
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
var cfg types.NetworksPruneConfig
if err := json.NewDecoder(r.Body).Decode(&cfg); err != nil {
return err
}
pruneReport, err := n.backend.NetworksPrune(&cfg)
if err != nil {
return err
}
return httputils.WriteJSON(w, http.StatusOK, pruneReport)
}
// debugRequestMiddleware dumps the request to logger
func debugRequestMiddleware(handler httputils.APIFunc) httputils.APIFunc {
return func(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
logrus.Debugf("%s %s", r.Method, r.RequestURI)
if r.Method != "POST" {
return handler(ctx, w, r, vars)
}
if err := httputils.CheckForJSON(r); err != nil {
return handler(ctx, w, r, vars)
}
maxBodySize := 4096 // 4KB
if r.ContentLength > int64(maxBodySize) {
return handler(ctx, w, r, vars)
}
body := r.Body
bufReader := bufio.NewReaderSize(body, maxBodySize)
r.Body = ioutils.NewReadCloserWrapper(bufReader, func() error { return body.Close() })
b, err := bufReader.Peek(maxBodySize)
if err != io.EOF {
// either there was an error reading, or the buffer is full (in which case the request is too large)
return handler(ctx, w, r, vars)
}
var postForm map[string]interface{}
if err := json.Unmarshal(b, &postForm); err == nil {
if _, exists := postForm["password"]; exists {
postForm["password"] = "******"
}
formStr, errMarshal := json.Marshal(postForm)
if errMarshal == nil {
logrus.Debugf("form data: %s", string(formStr))
} else {
logrus.Debugf("form data: %q", postForm)
}
}
return handler(ctx, w, r, vars)
}
}
func (n *networkRouter) postNetworkConnect(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
var connect types.NetworkConnect
if err := httputils.ParseForm(r); err != nil {
return err
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
if err := json.NewDecoder(r.Body).Decode(&connect); err != nil {
return err
}
nw, err := n.daemon.FindNetwork(vars["id"])
if err != nil {
return err
}
return n.daemon.ConnectContainerToNetwork(connect.Container, nw.Name())
}
func (n *networkRouter) postNetworkCreate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
var create types.NetworkCreate
if err := httputils.ParseForm(r); err != nil {
return err
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
if err := json.NewDecoder(r.Body).Decode(&create); err != nil {
return err
}
nw, err := n.backend.CreateNetwork(create)
if err != nil {
return err
}
return httputils.WriteJSON(w, http.StatusCreated, nw)
}
func (s *containerRouter) postContainerUpdate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := httputils.ParseForm(r); err != nil {
return err
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
_, hostConfig, _, err := runconfig.DecodeContainerConfig(r.Body)
if err != nil {
return err
}
name := vars["name"]
warnings, err := s.backend.ContainerUpdate(name, hostConfig)
if err != nil {
return err
}
return httputils.WriteJSON(w, http.StatusOK, &types.ContainerUpdateResponse{
Warnings: warnings,
})
}
func (n *networkRouter) postNetworkCreate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
var create types.NetworkCreate
var warning string
if err := httputils.ParseForm(r); err != nil {
return err
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
if err := json.NewDecoder(r.Body).Decode(&create); err != nil {
return err
}
nw, err := n.daemon.GetNetwork(create.Name, daemon.NetworkByName)
if _, ok := err.(libnetwork.ErrNoSuchNetwork); err != nil && !ok {
return err
}
if nw != nil {
if create.CheckDuplicate {
return libnetwork.NetworkNameError(create.Name)
}
warning = fmt.Sprintf("Network with name %s (id : %s) already exists", nw.Name(), nw.ID())
}
nw, err = n.daemon.CreateNetwork(create.Name, create.Driver, create.IPAM, create.Options)
if err != nil {
return err
}
return httputils.WriteJSON(w, http.StatusCreated, &types.NetworkCreateResponse{
ID: nw.ID(),
Warning: warning,
})
}
func (s *router) postContainersCreate(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
if err := httputils.ParseForm(r); err != nil {
return err
}
if err := httputils.CheckForJSON(r); err != nil {
return err
}
name := r.Form.Get("name")
config, hostConfig, err := runconfig.DecodeContainerConfig(r.Body)
if err != nil {
return err
}
version := httputils.VersionFromContext(ctx)
adjustCPUShares := version.LessThan("1.19")
ccr, err := s.daemon.ContainerCreate(name, config, hostConfig, adjustCPUShares)
if err != nil {
return err
}
return httputils.WriteJSON(w, http.StatusCreated, ccr)
}