Golang runconfig.Config类代码示例

func (daemon *Daemon) generateHostname(id string, config *runconfig.Config) {
	// Generate default hostname
	// FIXME: the lxc template no longer needs to set a default hostname
	if config.Hostname == "" {
		config.Hostname = id[:12]
	}
}

func migratePortMappings(config *runconfig.Config, hostConfig *runconfig.HostConfig) error {
	if config.PortSpecs != nil {
		ports, bindings, err := nat.ParsePortSpecs(config.PortSpecs)
		if err != nil {
			return err
		}
		config.PortSpecs = nil
		if len(bindings) > 0 {
			if hostConfig == nil {
				hostConfig = &runconfig.HostConfig{}
			}
			hostConfig.PortBindings = bindings
		}

		if config.ExposedPorts == nil {
			config.ExposedPorts = make(nat.PortSet, len(ports))
		}
		for k, v := range ports {
			config.ExposedPorts[k] = v
		}
	}
	return nil
}

// Create creates a new container from the given configuration with a given name.
func (runtime *Runtime) Create(config *runconfig.Config, name string) (*Container, []string, error) {
	// Lookup image
	img, err := runtime.repositories.LookupImage(config.Image)
	if err != nil {
		return nil, nil, err
	}

	// We add 2 layers to the depth because the container's rw and
	// init layer add to the restriction
	depth, err := img.Depth()
	if err != nil {
		return nil, nil, err
	}

	if depth+2 >= MaxImageDepth {
		return nil, nil, fmt.Errorf("Cannot create container with more than %d parents", MaxImageDepth)
	}

	checkDeprecatedExpose := func(config *runconfig.Config) bool {
		if config != nil {
			if config.PortSpecs != nil {
				for _, p := range config.PortSpecs {
					if strings.Contains(p, ":") {
						return true
					}
				}
			}
		}
		return false
	}

	warnings := []string{}
	if checkDeprecatedExpose(img.Config) || checkDeprecatedExpose(config) {
		warnings = append(warnings, "The mapping to public ports on your host via Dockerfile EXPOSE (host:port:port) has been deprecated. Use -p to publish the ports.")
	}

	if img.Config != nil {
		if err := runconfig.Merge(config, img.Config); err != nil {
			return nil, nil, err
		}
	}

	if len(config.Entrypoint) == 0 && len(config.Cmd) == 0 {
		return nil, nil, fmt.Errorf("No command specified")
	}

	// Generate id
	id := GenerateID()

	if name == "" {
		name, err = generateRandomName(runtime)
		if err != nil {
			name = utils.TruncateID(id)
		}
	} else {
		if !validContainerNamePattern.MatchString(name) {
			return nil, nil, fmt.Errorf("Invalid container name (%s), only %s are allowed", name, validContainerNameChars)
		}
	}

	if name[0] != '/' {
		name = "/" + name
	}

	// Set the enitity in the graph using the default name specified
	if _, err := runtime.containerGraph.Set(name, id); err != nil {
		if !graphdb.IsNonUniqueNameError(err) {
			return nil, nil, err
		}

		conflictingContainer, err := runtime.GetByName(name)
		if err != nil {
			if strings.Contains(err.Error(), "Could not find entity") {
				return nil, nil, err
			}

			// Remove name and continue starting the container
			if err := runtime.containerGraph.Delete(name); err != nil {
				return nil, nil, err
			}
		} else {
			nameAsKnownByUser := strings.TrimPrefix(name, "/")
			return nil, nil, fmt.Errorf(
				"Conflict, The name %s is already assigned to %s. You have to delete (or rename) that container to be able to assign %s to a container again.", nameAsKnownByUser,
				utils.TruncateID(conflictingContainer.ID), nameAsKnownByUser)
		}
	}

	// Generate default hostname
	// FIXME: the lxc template no longer needs to set a default hostname
	if config.Hostname == "" {
		config.Hostname = id[:12]
	}

	var args []string
	var entrypoint string

	if len(config.Entrypoint) != 0 {
		entrypoint = config.Entrypoint[0]
//.........这里部分代码省略.........