Golang Job.GetenvBool方法代碼示例

func ContainerConfigFromJob(job *engine.Job) *Config {
	config := &Config{
		Hostname:        job.Getenv("Hostname"),
		Domainname:      job.Getenv("Domainname"),
		User:            job.Getenv("User"),
		Memory:          job.GetenvInt64("Memory"),
		MemorySwap:      job.GetenvInt64("MemorySwap"),
		CpuShares:       job.GetenvInt64("CpuShares"),
		Cpuset:          job.Getenv("Cpuset"),
		AttachStdin:     job.GetenvBool("AttachStdin"),
		AttachStdout:    job.GetenvBool("AttachStdout"),
		AttachStderr:    job.GetenvBool("AttachStderr"),
		Tty:             job.GetenvBool("Tty"),
		OpenStdin:       job.GetenvBool("OpenStdin"),
		StdinOnce:       job.GetenvBool("StdinOnce"),
		Image:           job.Getenv("Image"),
		WorkingDir:      job.Getenv("WorkingDir"),
		NetworkDisabled: job.GetenvBool("NetworkDisabled"),
	}
	job.GetenvJson("ExposedPorts", &config.ExposedPorts)
	job.GetenvJson("Volumes", &config.Volumes)
	if PortSpecs := job.GetenvList("PortSpecs"); PortSpecs != nil {
		config.PortSpecs = PortSpecs
	}
	if Env := job.GetenvList("Env"); Env != nil {
		config.Env = Env
	}
	if Cmd := job.GetenvList("Cmd"); Cmd != nil {
		config.Cmd = Cmd
	}
	if Entrypoint := job.GetenvList("Entrypoint"); Entrypoint != nil {
		config.Entrypoint = Entrypoint
	}
	return config
}

// CmdLookup return an image encoded in JSON
func (s *TagStore) CmdLookup(job *engine.Job) engine.Status {
	if len(job.Args) != 1 {
		return job.Errorf("usage: %s NAME", job.Name)
	}
	name := job.Args[0]
	if image, err := s.LookupImage(name); err == nil && image != nil {
		if job.GetenvBool("dirty") {
			b, err := json.Marshal(image)
			if err != nil {
				return job.Error(err)
			}
			job.Stdout.Write(b)
			return engine.StatusOK
		}

		out := &engine.Env{}
		out.Set("Id", image.ID)
		out.Set("Parent", image.Parent)
		out.Set("Comment", image.Comment)
		out.SetAuto("Created", image.Created)
		out.Set("Container", image.Container)
		out.SetJson("ContainerConfig", image.ContainerConfig)
		out.Set("DockerVersion", image.DockerVersion)
		out.Set("Author", image.Author)
		out.SetJson("Config", image.Config)
		out.Set("Architecture", image.Architecture)
		out.Set("Os", image.OS)
		out.SetInt64("Size", image.Size)
		if _, err = out.WriteTo(job.Stdout); err != nil {
			return job.Error(err)
		}
		return engine.StatusOK
	}
	return job.Errorf("No such image: %s", name)
}

// ServeApi loops through all of the protocols sent in to docker and spawns
// off a go routine to setup a serving http.Server for each.
func ServeApi(job *engine.Job) engine.Status {
	var (
		protoAddrs = job.Args
		chErrors   = make(chan error, len(protoAddrs))
	)
	activationLock = make(chan struct{})

	if err := job.Eng.Register("acceptconnections", AcceptConnections); err != nil {
		return job.Error(err)
	}

	for _, protoAddr := range protoAddrs {
		protoAddrParts := strings.SplitN(protoAddr, "://", 2)
		go func() {
			log.Printf("Listening for HTTP on %s (%s)\n", protoAddrParts[0], protoAddrParts[1])
			chErrors <- ListenAndServe(protoAddrParts[0], protoAddrParts[1], job.Eng, job.GetenvBool("Logging"), job.GetenvBool("EnableCors"), job.Getenv("Version"))
		}()
	}

	for i := 0; i < len(protoAddrs); i += 1 {
		err := <-chErrors
		if err != nil {
			return job.Error(err)
		}
	}

	return engine.StatusOK
}

// ConfigFromJob creates and returns a new DaemonConfig object
// by parsing the contents of a job's environment.
func ConfigFromJob(job *engine.Job) *DaemonConfig {
	var config DaemonConfig
	config.Pidfile = job.Getenv("Pidfile")
	config.Root = job.Getenv("Root")
	config.AutoRestart = job.GetenvBool("AutoRestart")
	config.EnableCors = job.GetenvBool("EnableCors")
	if dns := job.GetenvList("Dns"); dns != nil {
		config.Dns = dns
	}
	config.EnableIptables = job.GetenvBool("EnableIptables")
	config.EnableIpForward = job.GetenvBool("EnableIpForward")
	if br := job.Getenv("BridgeIface"); br != "" {
		config.BridgeIface = br
	} else {
		config.BridgeIface = DefaultNetworkBridge
	}
	config.BridgeIp = job.Getenv("BridgeIp")
	config.DefaultIp = net.ParseIP(job.Getenv("DefaultIp"))
	config.InterContainerCommunication = job.GetenvBool("InterContainerCommunication")
	config.GraphDriver = job.Getenv("GraphDriver")
	if mtu := job.GetenvInt("Mtu"); mtu != -1 {
		config.Mtu = mtu
	} else {
		config.Mtu = DefaultNetworkMtu
	}
	return &config
}

func (srv *Server) ListenAndServe(job *engine.Job) string {
	protoAddrs := job.Args
	chErrors := make(chan error, len(protoAddrs))
	for _, protoAddr := range protoAddrs {
		protoAddrParts := strings.SplitN(protoAddr, "://", 2)
		switch protoAddrParts[0] {
		case "unix":
			if err := syscall.Unlink(protoAddrParts[1]); err != nil && !os.IsNotExist(err) {
				log.Fatal(err)
			}
		case "tcp":
			if !strings.HasPrefix(protoAddrParts[1], "127.0.0.1") {
				log.Println("/!\\ DON'T BIND ON ANOTHER IP ADDRESS THAN 127.0.0.1 IF YOU DON'T KNOW WHAT YOU'RE DOING /!\\")
			}
		default:
			return "Invalid protocol format."
		}
		go func() {
			// FIXME: merge Server.ListenAndServe with ListenAndServe
			chErrors <- ListenAndServe(protoAddrParts[0], protoAddrParts[1], srv, job.GetenvBool("Logging"))
		}()
	}
	for i := 0; i < len(protoAddrs); i += 1 {
		err := <-chErrors
		if err != nil {
			return err.Error()
		}
	}
	return "0"
}

// ConfigFromJob creates and returns a new DaemonConfig object
// by parsing the contents of a job's environment.
func ConfigFromJob(job *engine.Job) *Config {
	config := &Config{
		Pidfile:                     job.Getenv("Pidfile"),
		Root:                        job.Getenv("Root"),
		AutoRestart:                 job.GetenvBool("AutoRestart"),
		EnableIptables:              job.GetenvBool("EnableIptables"),
		EnableIpForward:             job.GetenvBool("EnableIpForward"),
		BridgeIP:                    job.Getenv("BridgeIP"),
		BridgeIface:                 job.Getenv("BridgeIface"),
		DefaultIp:                   net.ParseIP(job.Getenv("DefaultIp")),
		InterContainerCommunication: job.GetenvBool("InterContainerCommunication"),
		GraphDriver:                 job.Getenv("GraphDriver"),
		ExecDriver:                  job.Getenv("ExecDriver"),
		EnableSelinuxSupport:        job.GetenvBool("EnableSelinuxSupport"),
	}
	if dns := job.GetenvList("Dns"); dns != nil {
		config.Dns = dns
	}
	if dnsSearch := job.GetenvList("DnsSearch"); dnsSearch != nil {
		config.DnsSearch = dnsSearch
	}
	if mtu := job.GetenvInt("Mtu"); mtu != 0 {
		config.Mtu = mtu
	} else {
		config.Mtu = GetDefaultNetworkMtu()
	}
	config.DisableNetwork = config.BridgeIface == DisableNetworkBridge

	return config
}

func ContainerHostConfigFromJob(job *engine.Job) *HostConfig {
	hostConfig := &HostConfig{
		ContainerIDFile: job.Getenv("ContainerIDFile"),
		Privileged:      job.GetenvBool("Privileged"),
		PublishAllPorts: job.GetenvBool("PublishAllPorts"),
		NetworkMode:     NetworkMode(job.Getenv("NetworkMode")),
	}
	job.GetenvJson("LxcConf", &hostConfig.LxcConf)
	job.GetenvJson("PortBindings", &hostConfig.PortBindings)
	if Binds := job.GetenvList("Binds"); Binds != nil {
		hostConfig.Binds = Binds
	}
	if Links := job.GetenvList("Links"); Links != nil {
		hostConfig.Links = Links
	}
	if Dns := job.GetenvList("Dns"); Dns != nil {
		hostConfig.Dns = Dns
	}
	if DnsSearch := job.GetenvList("DnsSearch"); DnsSearch != nil {
		hostConfig.DnsSearch = DnsSearch
	}
	if VolumesFrom := job.GetenvList("VolumesFrom"); VolumesFrom != nil {
		hostConfig.VolumesFrom = VolumesFrom
	}
	return hostConfig
}

func LinkContainers(job *engine.Job) engine.Status {
	var (
		action       = job.Args[0]
		childIP      = job.Getenv("ChildIP")
		parentIP     = job.Getenv("ParentIP")
		ignoreErrors = job.GetenvBool("IgnoreErrors")
		ports        = job.GetenvList("Ports")
	)
	split := func(p string) (string, string) {
		parts := strings.Split(p, "/")
		return parts[0], parts[1]
	}

	for _, p := range ports {
		port, proto := split(p)
		if output, err := iptables.Raw(action, "FORWARD",
			"-i", bridgeIface, "-o", bridgeIface,
			"-p", proto,
			"-s", parentIP,
			"--dport", port,
			"-d", childIP,
			"-j", "ACCEPT"); !ignoreErrors && err != nil {
			job.Error(err)
			return engine.StatusErr
		} else if len(output) != 0 {
			job.Errorf("Error toggle iptables forward: %s", output)
			return engine.StatusErr
		}
	}
	return engine.StatusOK
}

func (daemon *Daemon) ContainerInspect(job *engine.Job) engine.Status {
	if len(job.Args) != 1 {
		return job.Errorf("usage: %s NAME", job.Name)
	}
	name := job.Args[0]
	if container := daemon.Get(name); container != nil {
		container.Lock()
		defer container.Unlock()
		if job.GetenvBool("raw") {
			b, err := json.Marshal(&struct {
				*Container
				HostConfig *runconfig.HostConfig
			}{container, container.hostConfig})
			if err != nil {
				return job.Error(err)
			}
			job.Stdout.Write(b)
			return engine.StatusOK
		}

		out := &engine.Env{}
		out.Set("Id", container.ID)
		out.SetAuto("Created", container.Created)
		out.Set("Path", container.Path)
		out.SetList("Args", container.Args)
		out.SetJson("Config", container.Config)
		out.SetJson("State", container.State)
		out.Set("Image", container.Image)
		out.SetJson("NetworkSettings", container.NetworkSettings)
		out.Set("ResolvConfPath", container.ResolvConfPath)
		out.Set("HostnamePath", container.HostnamePath)
		out.Set("HostsPath", container.HostsPath)
		out.Set("Name", container.Name)
		out.Set("Driver", container.Driver)
		out.Set("ExecDriver", container.ExecDriver)
		out.Set("MountLabel", container.MountLabel)
		out.Set("ProcessLabel", container.ProcessLabel)
		out.SetJson("Volumes", container.Volumes)
		out.SetJson("VolumesRW", container.VolumesRW)

		if children, err := daemon.Children(container.Name); err == nil {
			for linkAlias, child := range children {
				container.hostConfig.Links = append(container.hostConfig.Links, fmt.Sprintf("%s:%s", child.Name, linkAlias))
			}
		}

		out.SetJson("HostConfig", container.hostConfig)

		container.hostConfig.Links = nil
		if _, err := out.WriteTo(job.Stdout); err != nil {
			return job.Error(err)
		}
		return engine.StatusOK
	}
	return job.Errorf("No such container: %s", name)
}

// ConfigFromJob creates and returns a new DaemonConfig object
// by parsing the contents of a job's environment.
func DaemonConfigFromJob(job *engine.Job) *DaemonConfig {
	config := &DaemonConfig{
		Pidfile:                     job.Getenv("Pidfile"),
		Root:                        job.Getenv("Root"),
		AutoRestart:                 job.GetenvBool("AutoRestart"),
		EnableIptables:              job.GetenvBool("EnableIptables"),
		EnableIpForward:             job.GetenvBool("EnableIpForward"),
		BridgeIp:                    job.Getenv("BridgeIp"),
		DefaultIp:                   net.ParseIP(job.Getenv("DefaultIp")),
		InterContainerCommunication: job.GetenvBool("InterContainerCommunication"),
		GraphDriver:                 job.Getenv("GraphDriver"),
	}
	if dns := job.GetenvList("Dns"); dns != nil {
		config.Dns = dns
	}
	if br := job.Getenv("BridgeIface"); br != "" {
		config.BridgeIface = br
	} else {
		config.BridgeIface = DefaultNetworkBridge
	}
	if mtu := job.GetenvInt("Mtu"); mtu != -1 {
		config.Mtu = mtu
	} else {
		config.Mtu = DefaultNetworkMtu
	}

	return config
}

func ContainerConfigFromJob(job *engine.Job) *Config {
	var context execdriver.Context
	val := job.Getenv("Context")
	if val != "" {
		if err := json.Unmarshal([]byte(val), &context); err != nil {
			panic(err)
		}
	}
	config := &Config{
		Hostname:        job.Getenv("Hostname"),
		Domainname:      job.Getenv("Domainname"),
		User:            job.Getenv("User"),
		Memory:          job.GetenvInt64("Memory"),
		MemorySwap:      job.GetenvInt64("MemorySwap"),
		CpuShares:       job.GetenvInt64("CpuShares"),
		AttachStdin:     job.GetenvBool("AttachStdin"),
		AttachStdout:    job.GetenvBool("AttachStdout"),
		AttachStderr:    job.GetenvBool("AttachStderr"),
		Tty:             job.GetenvBool("Tty"),
		OpenStdin:       job.GetenvBool("OpenStdin"),
		StdinOnce:       job.GetenvBool("StdinOnce"),
		Image:           job.Getenv("Image"),
		VolumesFrom:     job.Getenv("VolumesFrom"),
		WorkingDir:      job.Getenv("WorkingDir"),
		NetworkDisabled: job.GetenvBool("NetworkDisabled"),
		Context:         context,
	}
	job.GetenvJson("ExposedPorts", &config.ExposedPorts)
	job.GetenvJson("Volumes", &config.Volumes)
	if PortSpecs := job.GetenvList("PortSpecs"); PortSpecs != nil {
		config.PortSpecs = PortSpecs
	}
	if Env := job.GetenvList("Env"); Env != nil {
		config.Env = Env
	}
	if Cmd := job.GetenvList("Cmd"); Cmd != nil {
		config.Cmd = Cmd
	}
	if Dns := job.GetenvList("Dns"); Dns != nil {
		config.Dns = Dns
	}
	if DnsSearch := job.GetenvList("DnsSearch"); DnsSearch != nil {
		config.DnsSearch = DnsSearch
	}
	if Entrypoint := job.GetenvList("Entrypoint"); Entrypoint != nil {
		config.Entrypoint = Entrypoint
	}

	return config
}

func ContainerHostConfigFromJob(job *engine.Job) *HostConfig {
	hostConfig := &HostConfig{
		ContainerIDFile: job.Getenv("ContainerIDFile"),
		Privileged:      job.GetenvBool("Privileged"),
		PublishAllPorts: job.GetenvBool("PublishAllPorts"),
	}
	job.GetenvJson("LxcConf", &hostConfig.LxcConf)
	job.GetenvJson("PortBindings", &hostConfig.PortBindings)
	if Binds := job.GetenvList("Binds"); Binds != nil {
		hostConfig.Binds = Binds
	}
	if Links := job.GetenvList("Links"); Links != nil {
		hostConfig.Links = Links
	}

	return hostConfig
}

func (daemon *Daemon) ContainerInspect(job *engine.Job) engine.Status {
	if len(job.Args) != 1 {
		return job.Errorf("usage: %s NAME", job.Name)
	}
	name := job.Args[0]
	if container := daemon.Get(name); container != nil {
		if job.GetenvBool("dirty") {
			b, err := json.Marshal(&struct {
				*Container
				HostConfig *runconfig.HostConfig
			}{container, container.HostConfig()})
			if err != nil {
				return job.Error(err)
			}
			job.Stdout.Write(b)
			return engine.StatusOK
		}

		out := &engine.Env{}
		out.Set("Id", container.ID)
		out.SetAuto("Created", container.Created)
		out.Set("Path", container.Path)
		out.SetList("Args", container.Args)
		out.SetJson("Config", container.Config)
		out.SetJson("State", container.State)
		out.Set("Image", container.Image)
		out.SetJson("NetworkSettings", container.NetworkSettings)
		out.Set("ResolvConfPath", container.ResolvConfPath)
		out.Set("HostnamePath", container.HostnamePath)
		out.Set("HostsPath", container.HostsPath)
		out.Set("Name", container.Name)
		out.Set("Driver", container.Driver)
		out.Set("ExecDriver", container.ExecDriver)
		out.Set("MountLabel", container.MountLabel)
		out.Set("ProcessLabel", container.ProcessLabel)
		out.SetJson("Volumes", container.Volumes)
		out.SetJson("VolumesRW", container.VolumesRW)
		out.SetJson("HostConfig", container.hostConfig)
		if _, err := out.WriteTo(job.Stdout); err != nil {
			return job.Error(err)
		}
		return engine.StatusOK
	}
	return job.Errorf("No such container: %s", name)
}

// ServeApi loops through all of the protocols sent in to docker and spawns
// off a go routine to setup a serving http.Server for each.
func ServeApi(job *engine.Job) engine.Status {
	protoAddrs := job.Args
	chErrors := make(chan error, len(protoAddrs))

	for _, protoAddr := range protoAddrs {
		protoAddrParts := strings.SplitN(protoAddr, "://", 2)
		go func() {
			log.Printf("Listening for HTTP on %s (%s)\n", protoAddrParts[0], protoAddrParts[1])
			chErrors <- ListenAndServe(protoAddrParts[0], protoAddrParts[1], job.Eng, job.GetenvBool("Logging"), job.GetenvBool("EnableCors"), job.Getenv("Version"))
		}()
	}

	for i := 0; i < len(protoAddrs); i += 1 {
		err := <-chErrors
		if err != nil {
			return job.Error(err)
		}
	}

	// Tell the init daemon we are accepting requests
	go systemd.SdNotify("READY=1")

	return engine.StatusOK
}

// ConfigFromJob creates and returns a new DaemonConfig object
// by parsing the contents of a job's environment.
func ConfigFromJob(job *engine.Job) *DaemonConfig {
	var config DaemonConfig
	config.Pidfile = job.Getenv("Pidfile")
	config.Root = job.Getenv("Root")
	config.AutoRestart = job.GetenvBool("AutoRestart")
	config.EnableCors = job.GetenvBool("EnableCors")
	if dns := job.Getenv("Dns"); dns != "" {
		config.Dns = []string{dns}
	}
	config.EnableIptables = job.GetenvBool("EnableIptables")
	if br := job.Getenv("BridgeIface"); br != "" {
		config.BridgeIface = br
	} else {
		config.BridgeIface = DefaultNetworkBridge
	}
	config.DefaultIp = net.ParseIP(job.Getenv("DefaultIp"))
	config.InterContainerCommunication = job.GetenvBool("InterContainerCommunication")
	return &config
}