Golang Version.LessThan方法代码示例

func (s *Server) postContainersCreate(version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if err := parseForm(r); err != nil {
		return err
	}
	if err := checkForJSON(r); err != nil {
		return err
	}
	var (
		warnings []string
		name     = r.Form.Get("name")
	)

	config, hostConfig, err := runconfig.DecodeContainerConfig(r.Body)
	if err != nil {
		return err
	}
	adjustCPUShares := version.LessThan("1.19")

	container, warnings, err := s.daemon.ContainerCreate(name, config, hostConfig, adjustCPUShares)
	if err != nil {
		return err
	}

	return writeJSON(w, http.StatusCreated, &types.ContainerCreateResponse{
		ID:       container.ID,
		Warnings: warnings,
	})
}

// ContainerInspect returns low-level information about a
// container. Returns an error if the container cannot be found, or if
// there is an error getting the data.
func (daemon *Daemon) ContainerInspect(name string, size bool, version version.Version) (interface{}, error) {
	switch {
	case version.LessThan("1.20"):
		return daemon.containerInspectPre120(name)
	case version.Equal("1.20"):
		return daemon.containerInspect120(name)
	}
	return daemon.containerInspectCurrent(name, size)
}

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 adjustCpuShares(version version.Version, hostConfig *runconfig.HostConfig) {
	if version.LessThan("1.19") {
		if hostConfig != nil && hostConfig.CPUShares > 0 {
			// Handle unsupported CpuShares
			if hostConfig.CPUShares < linuxMinCpuShares {
				logrus.Warnf("Changing requested CpuShares of %d to minimum allowed of %d", hostConfig.CPUShares, linuxMinCpuShares)
				hostConfig.CPUShares = linuxMinCpuShares
			} else if hostConfig.CPUShares > linuxMaxCpuShares {
				logrus.Warnf("Changing requested CpuShares of %d to maximum allowed of %d", hostConfig.CPUShares, linuxMaxCpuShares)
				hostConfig.CPUShares = linuxMaxCpuShares
			}
		}
	}
}

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 (s *Server) getContainersByName(version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if vars == nil {
		return fmt.Errorf("Missing parameter")
	}

	if version.LessThan("1.20") && runtime.GOOS != "windows" {
		return getContainersByNameDownlevel(w, s, vars["name"])
	}

	containerJSON, err := s.daemon.ContainerInspect(vars["name"])
	if err != nil {
		return err
	}
	return writeJSON(w, http.StatusOK, containerJSON)
}

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 (s *Server) getContainersByName(version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if vars == nil {
		return fmt.Errorf("Missing parameter")
	}

	if version.LessThan("1.19") {
		containerJSONRaw, err := s.daemon.ContainerInspectRaw(vars["name"])
		if err != nil {
			return err
		}
		return writeJSON(w, http.StatusOK, containerJSONRaw)
	}

	containerJSON, err := s.daemon.ContainerInspect(vars["name"])
	if err != nil {
		return err
	}
	return writeJSON(w, http.StatusOK, containerJSON)
}

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
	}

	procList, err := getDaemon(eng).ContainerTop(vars["name"], r.Form.Get("ps_args"))
	if err != nil {
		return err
	}

	return writeJSON(w, http.StatusOK, procList)
}

func (s *Server) getImagesByName(version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if vars == nil {
		return fmt.Errorf("Missing parameter")
	}

	name := vars["name"]
	if version.LessThan("1.12") {
		imageInspectRaw, err := s.daemon.Repositories().LookupRaw(name)
		if err != nil {
			return err
		}

		return writeJSON(w, http.StatusOK, imageInspectRaw)
	}

	imageInspect, err := s.daemon.Repositories().Lookup(name)
	if err != nil {
		return err
	}

	return writeJSON(w, http.StatusOK, imageInspect)
}

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
}

// getContainersByName inspects containers configuration and serializes it as json.
func (s *Server) getContainersByName(version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if vars == nil {
		return fmt.Errorf("Missing parameter")
	}

	var json interface{}
	var err error

	switch {
	case version.LessThan("1.20"):
		json, err = s.daemon.ContainerInspectPre120(vars["name"])
	case version.Equal("1.20"):
		json, err = s.daemon.ContainerInspect120(vars["name"])
	default:
		json, err = s.daemon.ContainerInspect(vars["name"])
	}

	if err != nil {
		return err
	}

	return writeJSON(w, http.StatusOK, json)
}

func postBuild(eng *engine.Engine, version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if version.LessThan("1.3") {
		return fmt.Errorf("Multipart upload for build is no longer supported. Please upgrade your docker client.")
	}
	var (
		authEncoded       = r.Header.Get("X-Registry-Auth")
		authConfig        = &registry.AuthConfig{}
		configFileEncoded = r.Header.Get("X-Registry-Config")
		configFile        = &registry.ConfigFile{}
		job               = eng.Job("build")
	)

	// This block can be removed when API versions prior to 1.9 are deprecated.
	// Both headers will be parsed and sent along to the daemon, but if a non-empty
	// ConfigFile is present, any value provided as an AuthConfig directly will
	// be overridden. See BuildFile::CmdFrom for details.
	if version.LessThan("1.9") && 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 = &registry.AuthConfig{}
		}
	}

	if configFileEncoded != "" {
		configFileJson := base64.NewDecoder(base64.URLEncoding, strings.NewReader(configFileEncoded))
		if err := json.NewDecoder(configFileJson).Decode(configFile); 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
			configFile = &registry.ConfigFile{}
		}
	}

	if version.GreaterThanOrEqualTo("1.8") {
		job.SetenvBool("json", true)
		streamJSON(job, w, true)
	} else {
		job.Stdout.Add(utils.NewWriteFlusher(w))
	}

	if r.FormValue("forcerm") == "1" && version.GreaterThanOrEqualTo("1.12") {
		job.Setenv("rm", "1")
	} else if r.FormValue("rm") == "" && version.GreaterThanOrEqualTo("1.12") {
		job.Setenv("rm", "1")
	} else {
		job.Setenv("rm", r.FormValue("rm"))
	}
	job.Stdin.Add(r.Body)
	job.Setenv("remote", r.FormValue("remote"))
	job.Setenv("t", r.FormValue("t"))
	job.Setenv("q", r.FormValue("q"))
	job.Setenv("nocache", r.FormValue("nocache"))
	job.Setenv("forcerm", r.FormValue("forcerm"))
	job.SetenvJson("authConfig", authConfig)
	job.SetenvJson("configFile", configFile)

	if err := job.Run(); err != nil {
		if !job.Stdout.Used() {
			return err
		}
		sf := utils.NewStreamFormatter(version.GreaterThanOrEqualTo("1.8"))
		w.Write(sf.FormatError(err))
	}
	return nil
}

func (s *Server) postBuild(version version.Version, w http.ResponseWriter, r *http.Request, vars map[string]string) error {
	if version.LessThan("1.3") {
		return fmt.Errorf("Multipart upload for build is no longer supported. Please upgrade your docker client.")
	}
	var (
		authEncoded       = r.Header.Get("X-Registry-Auth")
		authConfig        = &cliconfig.AuthConfig{}
		configFileEncoded = r.Header.Get("X-Registry-Config")
		configFile        = &cliconfig.ConfigFile{}
		buildConfig       = builder.NewBuildConfig()
	)

	// This block can be removed when API versions prior to 1.9 are deprecated.
	// Both headers will be parsed and sent along to the daemon, but if a non-empty
	// ConfigFile is present, any value provided as an AuthConfig directly will
	// be overridden. See BuildFile::CmdFrom for details.
	if version.LessThan("1.9") && 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 = &cliconfig.AuthConfig{}
		}
	}

	if configFileEncoded != "" {
		configFileJson := base64.NewDecoder(base64.URLEncoding, strings.NewReader(configFileEncoded))
		if err := json.NewDecoder(configFileJson).Decode(configFile); 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
			configFile = &cliconfig.ConfigFile{}
		}
	}

	if version.GreaterThanOrEqualTo("1.8") {
		w.Header().Set("Content-Type", "application/json")
		buildConfig.JSONFormat = true
	}

	if 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 = boolValue(r, "rm")
	}
	if boolValue(r, "pull") && version.GreaterThanOrEqualTo("1.16") {
		buildConfig.Pull = true
	}

	output := utils.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 = boolValue(r, "q")
	buildConfig.NoCache = boolValue(r, "nocache")
	buildConfig.ForceRemove = boolValue(r, "forcerm")
	buildConfig.AuthConfig = authConfig
	buildConfig.ConfigFile = configFile
	buildConfig.MemorySwap = int64ValueOrZero(r, "memswap")
	buildConfig.Memory = int64ValueOrZero(r, "memory")
	buildConfig.CpuShares = int64ValueOrZero(r, "cpushares")
	buildConfig.CpuQuota = int64ValueOrZero(r, "cpuquota")
	buildConfig.CpuSetCpus = r.FormValue("cpusetcpus")
	buildConfig.CpuSetMems = r.FormValue("cpusetmems")
	buildConfig.CgroupParent = r.FormValue("cgroupparent")

	// 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.NewStreamFormatter(version.GreaterThanOrEqualTo("1.8"))
		w.Write(sf.FormatError(err))
	}
	return nil
}