Exemple #1
0
func (br *buildRouter) postBuild(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	var (
		authConfigs        = map[string]types.AuthConfig{}
		authConfigsEncoded = r.Header.Get("X-Registry-Config")
		buildConfig        = &dockerfile.Config{}
		notVerboseBuffer   = bytes.NewBuffer(nil)
	)

	if authConfigsEncoded != "" {
		authConfigsJSON := base64.NewDecoder(base64.URLEncoding, strings.NewReader(authConfigsEncoded))
		if err := json.NewDecoder(authConfigsJSON).Decode(&authConfigs); 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.
		}
	}

	w.Header().Set("Content-Type", "application/json")

	version := httputils.VersionFromContext(ctx)
	output := ioutils.NewWriteFlusher(w)
	defer output.Close()
	sf := streamformatter.NewJSONStreamFormatter()
	errf := func(err error) error {
		if !buildConfig.Verbose && notVerboseBuffer.Len() > 0 {
			output.Write(notVerboseBuffer.Bytes())
		}
		// Do not write the error in the http output if it's still empty.
		// This prevents from writing a 200(OK) when there is an internal error.
		if !output.Flushed() {
			return err
		}
		_, err = w.Write(sf.FormatError(errors.New(utils.GetErrorMessage(err))))
		if err != nil {
			logrus.Warnf("could not write error response: %v", err)
		}
		return nil
	}

	if httputils.BoolValue(r, "forcerm") && version.GreaterThanOrEqualTo("1.12") {
		buildConfig.Remove = true
	} else if r.FormValue("rm") == "" && version.GreaterThanOrEqualTo("1.12") {
		buildConfig.Remove = true
	} else {
		buildConfig.Remove = httputils.BoolValue(r, "rm")
	}
	if httputils.BoolValue(r, "pull") && version.GreaterThanOrEqualTo("1.16") {
		buildConfig.Pull = true
	}

	repoAndTags, err := sanitizeRepoAndTags(r.Form["t"])
	if err != nil {
		return errf(err)
	}

	buildConfig.DockerfileName = r.FormValue("dockerfile")
	buildConfig.Verbose = !httputils.BoolValue(r, "q")
	buildConfig.UseCache = !httputils.BoolValue(r, "nocache")
	buildConfig.ForceRemove = httputils.BoolValue(r, "forcerm")
	buildConfig.MemorySwap = httputils.Int64ValueOrZero(r, "memswap")
	buildConfig.Memory = httputils.Int64ValueOrZero(r, "memory")
	buildConfig.CPUShares = httputils.Int64ValueOrZero(r, "cpushares")
	buildConfig.CPUPeriod = httputils.Int64ValueOrZero(r, "cpuperiod")
	buildConfig.CPUQuota = httputils.Int64ValueOrZero(r, "cpuquota")
	buildConfig.CPUSetCpus = r.FormValue("cpusetcpus")
	buildConfig.CPUSetMems = r.FormValue("cpusetmems")
	buildConfig.CgroupParent = r.FormValue("cgroupparent")

	if r.Form.Get("shmsize") != "" {
		shmSize, err := strconv.ParseInt(r.Form.Get("shmsize"), 10, 64)
		if err != nil {
			return errf(err)
		}
		buildConfig.ShmSize = &shmSize
	}

	if i := container.IsolationLevel(r.FormValue("isolation")); i != "" {
		if !container.IsolationLevel.IsValid(i) {
			return errf(fmt.Errorf("Unsupported isolation: %q", i))
		}
		buildConfig.Isolation = i
	}

	var buildUlimits = []*ulimit.Ulimit{}
	ulimitsJSON := r.FormValue("ulimits")
	if ulimitsJSON != "" {
		if err := json.NewDecoder(strings.NewReader(ulimitsJSON)).Decode(&buildUlimits); err != nil {
			return errf(err)
		}
		buildConfig.Ulimits = buildUlimits
	}

	var buildArgs = map[string]string{}
	buildArgsJSON := r.FormValue("buildargs")
	if buildArgsJSON != "" {
		if err := json.NewDecoder(strings.NewReader(buildArgsJSON)).Decode(&buildArgs); err != nil {
			return errf(err)
		}
		buildConfig.BuildArgs = buildArgs
	}

	remoteURL := r.FormValue("remote")

	// Currently, only used if context is from a remote url.
	// Look at code in DetectContextFromRemoteURL for more information.
	createProgressReader := func(in io.ReadCloser) io.ReadCloser {
		progressOutput := sf.NewProgressOutput(output, true)
		if !buildConfig.Verbose {
			progressOutput = sf.NewProgressOutput(notVerboseBuffer, true)
		}
		return progress.NewProgressReader(in, progressOutput, r.ContentLength, "Downloading context", remoteURL)
	}

	var (
		context        builder.ModifiableContext
		dockerfileName string
	)
	context, dockerfileName, err = daemonbuilder.DetectContextFromRemoteURL(r.Body, remoteURL, createProgressReader)
	if err != nil {
		return errf(err)
	}
	defer func() {
		if err := context.Close(); err != nil {
			logrus.Debugf("[BUILDER] failed to remove temporary context: %v", err)
		}
	}()

	uidMaps, gidMaps := br.backend.GetUIDGIDMaps()
	defaultArchiver := &archive.Archiver{
		Untar:   chrootarchive.Untar,
		UIDMaps: uidMaps,
		GIDMaps: gidMaps,
	}
	docker := &daemonbuilder.Docker{
		Daemon:      br.backend,
		OutOld:      output,
		AuthConfigs: authConfigs,
		Archiver:    defaultArchiver,
	}
	if !buildConfig.Verbose {
		docker.OutOld = notVerboseBuffer
	}

	b, err := dockerfile.NewBuilder(buildConfig, docker, builder.DockerIgnoreContext{ModifiableContext: context}, nil)
	if err != nil {
		return errf(err)
	}
	b.Stdout = &streamformatter.StdoutFormatter{Writer: output, StreamFormatter: sf}
	b.Stderr = &streamformatter.StderrFormatter{Writer: output, StreamFormatter: sf}
	if !buildConfig.Verbose {
		b.Stdout = &streamformatter.StdoutFormatter{Writer: notVerboseBuffer, StreamFormatter: sf}
		b.Stderr = &streamformatter.StderrFormatter{Writer: notVerboseBuffer, StreamFormatter: sf}
	}

	if closeNotifier, ok := w.(http.CloseNotifier); ok {
		finished := make(chan struct{})
		defer close(finished)
		go func() {
			select {
			case <-finished:
			case <-closeNotifier.CloseNotify():
				logrus.Infof("Client disconnected, cancelling job: build")
				b.Cancel()
			}
		}()
	}

	if len(dockerfileName) > 0 {
		b.DockerfileName = dockerfileName
	}

	imgID, err := b.Build()
	if err != nil {
		return errf(err)
	}

	for _, rt := range repoAndTags {
		if err := br.backend.TagImage(rt, imgID); err != nil {
			return errf(err)
		}
	}

	// Everything worked so if -q was provided the output from the daemon
	// should be just the image ID and we'll print that to stdout.
	if !buildConfig.Verbose {
		stdout := &streamformatter.StdoutFormatter{Writer: output, StreamFormatter: sf}
		fmt.Fprintf(stdout, "%s\n", string(imgID))
	}

	return nil
}
Exemple #2
0
func newImageBuildOptions(ctx context.Context, r *http.Request) (*types.ImageBuildOptions, error) {
	version := httputils.VersionFromContext(ctx)
	options := &types.ImageBuildOptions{}
	if httputils.BoolValue(r, "forcerm") && version.GreaterThanOrEqualTo("1.12") {
		options.Remove = true
	} else if r.FormValue("rm") == "" && version.GreaterThanOrEqualTo("1.12") {
		options.Remove = true
	} else {
		options.Remove = httputils.BoolValue(r, "rm")
	}
	if httputils.BoolValue(r, "pull") && version.GreaterThanOrEqualTo("1.16") {
		options.PullParent = true
	}

	options.Dockerfile = r.FormValue("dockerfile")
	options.SuppressOutput = httputils.BoolValue(r, "q")
	options.NoCache = httputils.BoolValue(r, "nocache")
	options.ForceRemove = httputils.BoolValue(r, "forcerm")
	options.MemorySwap = httputils.Int64ValueOrZero(r, "memswap")
	options.Memory = httputils.Int64ValueOrZero(r, "memory")
	options.CPUShares = httputils.Int64ValueOrZero(r, "cpushares")
	options.CPUPeriod = httputils.Int64ValueOrZero(r, "cpuperiod")
	options.CPUQuota = httputils.Int64ValueOrZero(r, "cpuquota")
	options.CPUSetCPUs = r.FormValue("cpusetcpus")
	options.CPUSetMems = r.FormValue("cpusetmems")
	options.CgroupParent = r.FormValue("cgroupparent")
	options.Tags = r.Form["t"]

	if r.Form.Get("shmsize") != "" {
		shmSize, err := strconv.ParseInt(r.Form.Get("shmsize"), 10, 64)
		if err != nil {
			return nil, err
		}
		options.ShmSize = shmSize
	}

	if i := container.Isolation(r.FormValue("isolation")); i != "" {
		if !container.Isolation.IsValid(i) {
			return nil, fmt.Errorf("Unsupported isolation: %q", i)
		}
		options.Isolation = i
	}

	var buildUlimits = []*units.Ulimit{}
	ulimitsJSON := r.FormValue("ulimits")
	if ulimitsJSON != "" {
		if err := json.NewDecoder(strings.NewReader(ulimitsJSON)).Decode(&buildUlimits); err != nil {
			return nil, err
		}
		options.Ulimits = buildUlimits
	}

	var buildArgs = map[string]string{}
	buildArgsJSON := r.FormValue("buildargs")
	if buildArgsJSON != "" {
		if err := json.NewDecoder(strings.NewReader(buildArgsJSON)).Decode(&buildArgs); err != nil {
			return nil, err
		}
		options.BuildArgs = buildArgs
	}
	var labels = map[string]string{}
	labelsJSON := r.FormValue("labels")
	if labelsJSON != "" {
		if err := json.NewDecoder(strings.NewReader(labelsJSON)).Decode(&labels); err != nil {
			return nil, err
		}
		options.Labels = labels
	}

	return options, nil
}
Exemple #3
0
func (s *router) postBuild(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	var (
		authConfigs        = map[string]cliconfig.AuthConfig{}
		authConfigsEncoded = r.Header.Get("X-Registry-Config")
		buildConfig        = &dockerfile.Config{}
	)

	if authConfigsEncoded != "" {
		authConfigsJSON := base64.NewDecoder(base64.URLEncoding, strings.NewReader(authConfigsEncoded))
		if err := json.NewDecoder(authConfigsJSON).Decode(&authConfigs); 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.
		}
	}

	w.Header().Set("Content-Type", "application/json")

	version := httputils.VersionFromContext(ctx)
	output := ioutils.NewWriteFlusher(w)
	sf := streamformatter.NewJSONStreamFormatter()
	errf := func(err error) error {
		// Do not write the error in the http output if it's still empty.
		// This prevents from writing a 200(OK) when there is an interal error.
		if !output.Flushed() {
			return err
		}
		_, err = w.Write(sf.FormatError(errors.New(utils.GetErrorMessage(err))))
		if err != nil {
			logrus.Warnf("could not write error response: %v", err)
		}
		return nil
	}

	if httputils.BoolValue(r, "forcerm") && version.GreaterThanOrEqualTo("1.12") {
		buildConfig.Remove = true
	} else if r.FormValue("rm") == "" && version.GreaterThanOrEqualTo("1.12") {
		buildConfig.Remove = true
	} else {
		buildConfig.Remove = httputils.BoolValue(r, "rm")
	}
	if httputils.BoolValue(r, "pull") && version.GreaterThanOrEqualTo("1.16") {
		buildConfig.Pull = true
	}

	repoName, tag := parsers.ParseRepositoryTag(r.FormValue("t"))
	if repoName != "" {
		if err := registry.ValidateRepositoryName(repoName); err != nil {
			return errf(err)
		}
		if len(tag) > 0 {
			if err := tags.ValidateTagName(tag); err != nil {
				return errf(err)
			}
		}
	}

	buildConfig.DockerfileName = r.FormValue("dockerfile")
	buildConfig.Verbose = !httputils.BoolValue(r, "q")
	buildConfig.UseCache = !httputils.BoolValue(r, "nocache")
	buildConfig.ForceRemove = httputils.BoolValue(r, "forcerm")
	buildConfig.MemorySwap = httputils.Int64ValueOrZero(r, "memswap")
	buildConfig.Memory = httputils.Int64ValueOrZero(r, "memory")
	buildConfig.CPUShares = httputils.Int64ValueOrZero(r, "cpushares")
	buildConfig.CPUPeriod = httputils.Int64ValueOrZero(r, "cpuperiod")
	buildConfig.CPUQuota = httputils.Int64ValueOrZero(r, "cpuquota")
	buildConfig.CPUSetCpus = r.FormValue("cpusetcpus")
	buildConfig.CPUSetMems = r.FormValue("cpusetmems")
	buildConfig.CgroupParent = r.FormValue("cgroupparent")

	var buildUlimits = []*ulimit.Ulimit{}
	ulimitsJSON := r.FormValue("ulimits")
	if ulimitsJSON != "" {
		if err := json.NewDecoder(strings.NewReader(ulimitsJSON)).Decode(&buildUlimits); err != nil {
			return errf(err)
		}
		buildConfig.Ulimits = buildUlimits
	}

	var buildArgs = map[string]string{}
	buildArgsJSON := r.FormValue("buildargs")
	if buildArgsJSON != "" {
		if err := json.NewDecoder(strings.NewReader(buildArgsJSON)).Decode(&buildArgs); err != nil {
			return errf(err)
		}
		buildConfig.BuildArgs = buildArgs
	}

	remoteURL := r.FormValue("remote")

	// Currently, only used if context is from a remote url.
	// The field `In` is set by DetectContextFromRemoteURL.
	// Look at code in DetectContextFromRemoteURL for more information.
	pReader := &progressreader.Config{
		// TODO: make progressreader streamformatter-agnostic
		Out:       output,
		Formatter: sf,
		Size:      r.ContentLength,
		NewLines:  true,
		ID:        "Downloading context",
		Action:    remoteURL,
	}

	var (
		context        builder.ModifiableContext
		dockerfileName string
		err            error
	)
	context, dockerfileName, err = daemonbuilder.DetectContextFromRemoteURL(r.Body, remoteURL, pReader)
	if err != nil {
		return errf(err)
	}
	defer func() {
		if err := context.Close(); err != nil {
			logrus.Debugf("[BUILDER] failed to remove temporary context: %v", err)
		}
	}()

	uidMaps, gidMaps := s.daemon.GetUIDGIDMaps()
	defaultArchiver := &archive.Archiver{
		Untar:   chrootarchive.Untar,
		UIDMaps: uidMaps,
		GIDMaps: gidMaps,
	}
	docker := daemonbuilder.Docker{s.daemon, output, authConfigs, defaultArchiver}

	b, err := dockerfile.NewBuilder(buildConfig, docker, builder.DockerIgnoreContext{context}, nil)
	if err != nil {
		return errf(err)
	}
	b.Stdout = &streamformatter.StdoutFormatter{Writer: output, StreamFormatter: sf}
	b.Stderr = &streamformatter.StderrFormatter{Writer: output, StreamFormatter: sf}

	if closeNotifier, ok := w.(http.CloseNotifier); ok {
		finished := make(chan struct{})
		defer close(finished)
		go func() {
			select {
			case <-finished:
			case <-closeNotifier.CloseNotify():
				logrus.Infof("Client disconnected, cancelling job: build")
				b.Cancel()
			}
		}()
	}

	if len(dockerfileName) > 0 {
		b.DockerfileName = dockerfileName
	}

	imgID, err := b.Build()
	if err != nil {
		return errf(err)
	}

	if repoName != "" {
		if err := s.daemon.TagImage(repoName, tag, string(imgID), true); err != nil {
			return errf(err)
		}
	}

	return nil
}
Exemple #4
0
func newImageBuildOptions(ctx context.Context, r *http.Request) (*types.ImageBuildOptions, error) {
	version := httputils.VersionFromContext(ctx)
	options := &types.ImageBuildOptions{}
	if httputils.BoolValue(r, "forcerm") && versions.GreaterThanOrEqualTo(version, "1.12") {
		options.Remove = true
	} else if r.FormValue("rm") == "" && versions.GreaterThanOrEqualTo(version, "1.12") {
		options.Remove = true
	} else {
		options.Remove = httputils.BoolValue(r, "rm")
	}
	if httputils.BoolValue(r, "pull") && versions.GreaterThanOrEqualTo(version, "1.16") {
		options.PullParent = true
	}

	options.Dockerfile = r.FormValue("dockerfile")
	options.SuppressOutput = httputils.BoolValue(r, "q")
	options.NoCache = httputils.BoolValue(r, "nocache")
	options.ForceRemove = httputils.BoolValue(r, "forcerm")
	options.MemorySwap = httputils.Int64ValueOrZero(r, "memswap")
	options.Memory = httputils.Int64ValueOrZero(r, "memory")
	options.CPUShares = httputils.Int64ValueOrZero(r, "cpushares")
	options.CPUPeriod = httputils.Int64ValueOrZero(r, "cpuperiod")
	options.CPUQuota = httputils.Int64ValueOrZero(r, "cpuquota")
	options.CPUSetCPUs = r.FormValue("cpusetcpus")
	options.CPUSetMems = r.FormValue("cpusetmems")
	options.CgroupParent = r.FormValue("cgroupparent")
	options.Tags = r.Form["t"]
	options.SecurityOpt = r.Form["securityopt"]

	if r.Form.Get("shmsize") != "" {
		shmSize, err := strconv.ParseInt(r.Form.Get("shmsize"), 10, 64)
		if err != nil {
			return nil, err
		}
		options.ShmSize = shmSize
	}

	if i := container.Isolation(r.FormValue("isolation")); i != "" {
		if !container.Isolation.IsValid(i) {
			return nil, fmt.Errorf("Unsupported isolation: %q", i)
		}
		options.Isolation = i
	}

	if runtime.GOOS != "windows" && options.SecurityOpt != nil {
		return nil, fmt.Errorf("the daemon on this platform does not support --security-opt to build")
	}

	var buildUlimits = []*units.Ulimit{}
	ulimitsJSON := r.FormValue("ulimits")
	if ulimitsJSON != "" {
		if err := json.Unmarshal([]byte(ulimitsJSON), &buildUlimits); err != nil {
			return nil, err
		}
		options.Ulimits = buildUlimits
	}

	var buildArgs = map[string]string{}
	buildArgsJSON := r.FormValue("buildargs")
	if buildArgsJSON != "" {
		if err := json.Unmarshal([]byte(buildArgsJSON), &buildArgs); err != nil {
			return nil, err
		}
		options.BuildArgs = buildArgs
	}
	var labels = map[string]string{}
	labelsJSON := r.FormValue("labels")
	if labelsJSON != "" {
		if err := json.Unmarshal([]byte(labelsJSON), &labels); err != nil {
			return nil, err
		}
		options.Labels = labels
	}

	var cacheFrom = []string{}
	cacheFromJSON := r.FormValue("cachefrom")
	if cacheFromJSON != "" {
		if err := json.Unmarshal([]byte(cacheFromJSON), &cacheFrom); err != nil {
			return nil, err
		}
		options.CacheFrom = cacheFrom
	}

	return options, nil
}
Exemple #5
0
func newImageBuildOptions(ctx context.Context, r *http.Request) (*types.ImageBuildOptions, error) {
	version := httputils.VersionFromContext(ctx)
	options := &types.ImageBuildOptions{}
	if httputils.BoolValue(r, "forcerm") && versions.GreaterThanOrEqualTo(version, "1.12") {
		options.Remove = true
	} else if r.FormValue("rm") == "" && versions.GreaterThanOrEqualTo(version, "1.12") {
		options.Remove = true
	} else {
		options.Remove = httputils.BoolValue(r, "rm")
	}
	if httputils.BoolValue(r, "pull") && versions.GreaterThanOrEqualTo(version, "1.16") {
		options.PullParent = true
	}

	options.Dockerfile = r.FormValue("dockerfile")
	options.SuppressOutput = httputils.BoolValue(r, "q")
	options.NoCache = httputils.BoolValue(r, "nocache")
	options.ForceRemove = httputils.BoolValue(r, "forcerm")
	options.MemorySwap = httputils.Int64ValueOrZero(r, "memswap")
	options.Memory = httputils.Int64ValueOrZero(r, "memory")
	options.CPUShares = httputils.Int64ValueOrZero(r, "cpushares")
	options.CPUPeriod = httputils.Int64ValueOrZero(r, "cpuperiod")
	options.CPUQuota = httputils.Int64ValueOrZero(r, "cpuquota")
	options.CPUSetCPUs = r.FormValue("cpusetcpus")
	options.CPUSetMems = r.FormValue("cpusetmems")
	options.CgroupParent = r.FormValue("cgroupparent")
	options.NetworkMode = r.FormValue("networkmode")
	options.Tags = r.Form["t"]
	options.SecurityOpt = r.Form["securityopt"]
	options.Squash = httputils.BoolValue(r, "squash")

	if r.Form.Get("shmsize") != "" {
		shmSize, err := strconv.ParseInt(r.Form.Get("shmsize"), 10, 64)
		if err != nil {
			return nil, err
		}
		options.ShmSize = shmSize
	}

	if i := container.Isolation(r.FormValue("isolation")); i != "" {
		if !container.Isolation.IsValid(i) {
			return nil, fmt.Errorf("Unsupported isolation: %q", i)
		}
		options.Isolation = i
	}

	if runtime.GOOS != "windows" && options.SecurityOpt != nil {
		return nil, fmt.Errorf("the daemon on this platform does not support --security-opt to build")
	}

	var buildUlimits = []*units.Ulimit{}
	ulimitsJSON := r.FormValue("ulimits")
	if ulimitsJSON != "" {
		if err := json.Unmarshal([]byte(ulimitsJSON), &buildUlimits); err != nil {
			return nil, err
		}
		options.Ulimits = buildUlimits
	}

	var buildArgs = map[string]*string{}
	buildArgsJSON := r.FormValue("buildargs")

	// Note that there are two ways a --build-arg might appear in the
	// json of the query param:
	//     "foo":"bar"
	// and "foo":nil
	// The first is the normal case, ie. --build-arg foo=bar
	// or  --build-arg foo
	// where foo's value was picked up from an env var.
	// The second ("foo":nil) is where they put --build-arg foo
	// but "foo" isn't set as an env var. In that case we can't just drop
	// the fact they mentioned it, we need to pass that along to the builder
	// so that it can print a warning about "foo" being unused if there is
	// no "ARG foo" in the Dockerfile.
	if buildArgsJSON != "" {
		if err := json.Unmarshal([]byte(buildArgsJSON), &buildArgs); err != nil {
			return nil, err
		}
		options.BuildArgs = buildArgs
	}

	var labels = map[string]string{}
	labelsJSON := r.FormValue("labels")
	if labelsJSON != "" {
		if err := json.Unmarshal([]byte(labelsJSON), &labels); err != nil {
			return nil, err
		}
		options.Labels = labels
	}

	var cacheFrom = []string{}
	cacheFromJSON := r.FormValue("cachefrom")
	if cacheFromJSON != "" {
		if err := json.Unmarshal([]byte(cacheFromJSON), &cacheFrom); err != nil {
			return nil, err
		}
		options.CacheFrom = cacheFrom
	}

	return options, nil
}
Exemple #6
0
func (s *router) postBuild(ctx context.Context, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	var (
		authConfigs        = map[string]cliconfig.AuthConfig{}
		authConfigsEncoded = r.Header.Get("X-Registry-Config")
		buildConfig        = builder.NewBuildConfig()
	)

	if authConfigsEncoded != "" {
		authConfigsJSON := base64.NewDecoder(base64.URLEncoding, strings.NewReader(authConfigsEncoded))
		if err := json.NewDecoder(authConfigsJSON).Decode(&authConfigs); 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.
		}
	}

	w.Header().Set("Content-Type", "application/json")

	version := httputils.VersionFromContext(ctx)
	if httputils.BoolValue(r, "forcerm") && version.GreaterThanOrEqualTo("1.12") {
		buildConfig.Remove = true
	} else if r.FormValue("rm") == "" && version.GreaterThanOrEqualTo("1.12") {
		buildConfig.Remove = true
	} else {
		buildConfig.Remove = httputils.BoolValue(r, "rm")
	}
	if httputils.BoolValue(r, "pull") && version.GreaterThanOrEqualTo("1.16") {
		buildConfig.Pull = true
	}

	output := ioutils.NewWriteFlusher(w)
	buildConfig.Stdout = output
	buildConfig.Context = r.Body

	buildConfig.RemoteURL = r.FormValue("remote")
	buildConfig.DockerfileName = r.FormValue("dockerfile")
	buildConfig.RepoName = r.FormValue("t")
	buildConfig.SuppressOutput = httputils.BoolValue(r, "q")
	buildConfig.NoCache = httputils.BoolValue(r, "nocache")
	buildConfig.ForceRemove = httputils.BoolValue(r, "forcerm")
	buildConfig.AuthConfigs = authConfigs
	buildConfig.MemorySwap = httputils.Int64ValueOrZero(r, "memswap")
	buildConfig.Memory = httputils.Int64ValueOrZero(r, "memory")
	buildConfig.CPUShares = httputils.Int64ValueOrZero(r, "cpushares")
	buildConfig.CPUPeriod = httputils.Int64ValueOrZero(r, "cpuperiod")
	buildConfig.CPUQuota = httputils.Int64ValueOrZero(r, "cpuquota")
	buildConfig.CPUSetCpus = r.FormValue("cpusetcpus")
	buildConfig.CPUSetMems = r.FormValue("cpusetmems")
	buildConfig.CgroupParent = r.FormValue("cgroupparent")

	var buildUlimits = []*ulimit.Ulimit{}
	ulimitsJSON := r.FormValue("ulimits")
	if ulimitsJSON != "" {
		if err := json.NewDecoder(strings.NewReader(ulimitsJSON)).Decode(&buildUlimits); err != nil {
			return err
		}
		buildConfig.Ulimits = buildUlimits
	}

	var buildArgs = map[string]string{}
	buildArgsJSON := r.FormValue("buildargs")
	if buildArgsJSON != "" {
		if err := json.NewDecoder(strings.NewReader(buildArgsJSON)).Decode(&buildArgs); err != nil {
			return err
		}
	}
	buildConfig.BuildArgs = buildArgs

	// Job cancellation. Note: not all job types support this.
	if closeNotifier, ok := w.(http.CloseNotifier); ok {
		finished := make(chan struct{})
		defer close(finished)
		go func() {
			select {
			case <-finished:
			case <-closeNotifier.CloseNotify():
				logrus.Infof("Client disconnected, cancelling job: build")
				buildConfig.Cancel()
			}
		}()
	}

	if err := builder.Build(s.daemon, buildConfig); err != nil {
		// Do not write the error in the http output if it's still empty.
		// This prevents from writing a 200(OK) when there is an interal error.
		if !output.Flushed() {
			return err
		}
		sf := streamformatter.NewJSONStreamFormatter()
		w.Write(sf.FormatError(errors.New(utils.GetErrorMessage(err))))
	}
	return nil
}