示例#1
0
文件: create.go 项目: hgschmie/docker
func (daemon *Daemon) ContainerCreate(job *engine.Job) engine.Status {
	var name string
	if len(job.Args) == 1 {
		name = job.Args[0]
	} else if len(job.Args) > 1 {
		return job.Errorf("Usage: %s", job.Name)
	}
	config := runconfig.ContainerConfigFromJob(job)
	if config.Memory != 0 && config.Memory < 4194304 {
		return job.Errorf("Minimum memory limit allowed is 4MB")
	}
	if config.Memory > 0 && !daemon.SystemConfig().MemoryLimit {
		job.Errorf("Your kernel does not support memory limit capabilities. Limitation discarded.\n")
		config.Memory = 0
	}
	if config.Memory > 0 && !daemon.SystemConfig().SwapLimit {
		job.Errorf("Your kernel does not support swap limit capabilities. Limitation discarded.\n")
		config.MemorySwap = -1
	}
	if config.Memory > 0 && config.MemorySwap > 0 && config.MemorySwap < config.Memory {
		return job.Errorf("Minimum memoryswap limit should be larger than memory limit, see usage.\n")
	}
	if config.Memory == 0 && config.MemorySwap > 0 {
		return job.Errorf("You should always set the Memory limit when using Memoryswap limit, see usage.\n")
	}

	var hostConfig *runconfig.HostConfig
	if job.EnvExists("HostConfig") {
		hostConfig = runconfig.ContainerHostConfigFromJob(job)
	} else {
		// Older versions of the API don't provide a HostConfig.
		hostConfig = nil
	}

	container, buildWarnings, err := daemon.Create(config, hostConfig, name)
	if err != nil {
		if daemon.Graph().IsNotExist(err) {
			_, tag := parsers.ParseRepositoryTag(config.Image)
			if tag == "" {
				tag = graph.DEFAULTTAG
			}
			return job.Errorf("No such image: %s (tag: %s)", config.Image, tag)
		}
		return job.Error(err)
	}
	if !container.Config.NetworkDisabled && daemon.SystemConfig().IPv4ForwardingDisabled {
		job.Errorf("IPv4 forwarding is disabled.\n")
	}
	container.LogEvent("create")

	job.Printf("%s\n", container.ID)

	for _, warning := range buildWarnings {
		job.Errorf("%s\n", warning)
	}

	return engine.StatusOK
}
示例#2
0
func (daemon *Daemon) ContainerCreate(job *engine.Job) engine.Status {
	var name string
	if len(job.Args) == 1 {
		name = job.Args[0]
	} else if len(job.Args) > 1 {
		return job.Errorf("Usage: %s", job.Name)
	}

	config := runconfig.ContainerConfigFromJob(job)
	hostConfig := runconfig.ContainerHostConfigFromJob(job)

	if len(hostConfig.LxcConf) > 0 && !strings.Contains(daemon.ExecutionDriver().Name(), "lxc") {
		return job.Errorf("Cannot use --lxc-conf with execdriver: %s", daemon.ExecutionDriver().Name())
	}
	if hostConfig.Memory != 0 && hostConfig.Memory < 4194304 {
		return job.Errorf("Minimum memory limit allowed is 4MB")
	}
	if hostConfig.Memory > 0 && !daemon.SystemConfig().MemoryLimit {
		job.Errorf("Your kernel does not support memory limit capabilities. Limitation discarded.\n")
		hostConfig.Memory = 0
	}
	if hostConfig.Memory > 0 && hostConfig.MemorySwap != -1 && !daemon.SystemConfig().SwapLimit {
		job.Errorf("Your kernel does not support swap limit capabilities. Limitation discarded.\n")
		hostConfig.MemorySwap = -1
	}
	if hostConfig.Memory > 0 && hostConfig.MemorySwap > 0 && hostConfig.MemorySwap < hostConfig.Memory {
		return job.Errorf("Minimum memoryswap limit should be larger than memory limit, see usage.\n")
	}
	if hostConfig.Memory == 0 && hostConfig.MemorySwap > 0 {
		return job.Errorf("You should always set the Memory limit when using Memoryswap limit, see usage.\n")
	}

	container, buildWarnings, err := daemon.Create(config, hostConfig, name)
	if err != nil {
		if daemon.Graph().IsNotExist(err) {
			_, tag := parsers.ParseRepositoryTag(config.Image)
			if tag == "" {
				tag = graph.DEFAULTTAG
			}
			return job.Errorf("No such image: %s (tag: %s)", config.Image, tag)
		}
		return job.Error(err)
	}
	if !container.Config.NetworkDisabled && daemon.SystemConfig().IPv4ForwardingDisabled {
		job.Errorf("IPv4 forwarding is disabled.\n")
	}
	container.LogEvent("create")

	job.Printf("%s\n", container.ID)

	for _, warning := range buildWarnings {
		job.Errorf("%s\n", warning)
	}

	return engine.StatusOK
}
示例#3
0
文件: create.go 项目: prologic/docker
func (daemon *Daemon) ContainerCreate(job *engine.Job) engine.Status {
	var name string
	if len(job.Args) == 1 {
		name = job.Args[0]
	} else if len(job.Args) > 1 {
		return job.Errorf("Usage: %s", job.Name)
	}
	config := runconfig.ContainerConfigFromJob(job)
	if config.Memory != 0 && config.Memory < 4194304 {
		return job.Errorf("Minimum memory limit allowed is 4MB")
	}
	if config.Memory > 0 && !daemon.SystemConfig().MemoryLimit {
		job.Errorf("Your kernel does not support memory limit capabilities. Limitation discarded.\n")
		config.Memory = 0
	}
	if config.Memory > 0 && !daemon.SystemConfig().SwapLimit {
		job.Errorf("Your kernel does not support swap limit capabilities. Limitation discarded.\n")
		config.MemorySwap = -1
	}

	var hostConfig *runconfig.HostConfig
	if job.EnvExists("HostConfig") {
		hostConfig = runconfig.ContainerHostConfigFromJob(job)
	} else {
		// Older versions of the API don't provide a HostConfig.
		hostConfig = nil
	}

	container, buildWarnings, err := daemon.Create(config, hostConfig, name)
	if err != nil {
		if daemon.Graph().IsNotExist(err) {
			_, tag := parsers.ParseRepositoryTag(config.Image)
			if tag == "" {
				tag = graph.DEFAULTTAG
			}
			return job.Errorf("No such image: %s (tag: %s)", config.Image, tag)
		}
		return job.Error(err)
	}
	if !container.Config.NetworkDisabled && daemon.SystemConfig().IPv4ForwardingDisabled {
		job.Errorf("IPv4 forwarding is disabled.\n")
	}
	container.LogEvent("create")
	// FIXME: this is necessary because daemon.Create might return a nil container
	// with a non-nil error. This should not happen! Once it's fixed we
	// can remove this workaround.
	if container != nil {
		job.Printf("%s\n", container.ID)
	}
	for _, warning := range buildWarnings {
		job.Errorf("%s\n", warning)
	}

	return engine.StatusOK
}
示例#4
0
func (srv *Server) ContainerCreate(job *engine.Job) engine.Status {
	var name string
	if len(job.Args) == 1 {
		name = job.Args[0]
	} else if len(job.Args) > 1 {
		return job.Errorf("Usage: %s", job.Name)
	}
	config := runconfig.ContainerConfigFromJob(job)
	if config.Memory != 0 && config.Memory < 524288 {
		return job.Errorf("Minimum memory limit allowed is 512k")
	}
	if config.Memory > 0 && !srv.daemon.SystemConfig().MemoryLimit {
		job.Errorf("Your kernel does not support memory limit capabilities. Limitation discarded.\n")
		config.Memory = 0
	}
	if config.Memory > 0 && !srv.daemon.SystemConfig().SwapLimit {
		job.Errorf("Your kernel does not support swap limit capabilities. Limitation discarded.\n")
		config.MemorySwap = -1
	}
	container, buildWarnings, err := srv.daemon.Create(config, name)
	if err != nil {
		if srv.daemon.Graph().IsNotExist(err) {
			_, tag := parsers.ParseRepositoryTag(config.Image)
			if tag == "" {
				tag = graph.DEFAULTTAG
			}
			return job.Errorf("No such image: %s (tag: %s)", config.Image, tag)
		}
		return job.Error(err)
	}
	if !container.Config.NetworkDisabled && srv.daemon.SystemConfig().IPv4ForwardingDisabled {
		job.Errorf("IPv4 forwarding is disabled.\n")
	}
	srv.LogEvent("create", container.ID, srv.daemon.Repositories().ImageName(container.Image))
	// FIXME: this is necessary because daemon.Create might return a nil container
	// with a non-nil error. This should not happen! Once it's fixed we
	// can remove this workaround.
	if container != nil {
		job.Printf("%s\n", container.ID)
	}
	for _, warning := range buildWarnings {
		job.Errorf("%s\n", warning)
	}
	return engine.StatusOK
}
示例#5
0
func ContainerCreate(job *engine.Job) engine.Status {
	configuration := job.Eng.Hack_GetGlobalVar("configuration").(types.KraneConfiguration)
	config := runconfig.ContainerConfigFromJob(job)

	if len(job.Args) != 2 {
		return job.Errorf("Usage: %s CONTAINER\n", job.Name)
	}

	ship := configuration.Production.Fleet.Find(job.Args[1])

	containerValues := url.Values{}
	containerValues.Set("name", job.Args[0])

	cli := client.NewKraneClientApi(ship, false, job)

	stream, statusCode, err := cli.Call("POST", "/containers/create?"+containerValues.Encode(), config, false)

	if statusCode == 404 {
		job.Printf("Unable to find image '%s' in %s://%s:%d\n", config.Image, ship.Schema, ship.Fqdn, ship.Port)

		if err = pullImage(job, config.Image, ship); err != nil {
			return job.Errorf("Cannot pull image %s: %s\n", config.Image, err)
		}
		if stream, _, err = cli.Call("POST", "/containers/create?"+containerValues.Encode(), config, false); err != nil {
			return job.Errorf("Cannot create container: %s\n", err)
		}
	} else if err != nil {
		return job.Errorf("Cannot create container: %s\n", err)
	}

	var runResult engine.Env

	if err := runResult.Decode(stream); err != nil {
		return job.Errorf("Error with container: %s\n", err)
	}

	for _, warning := range runResult.GetList("Warnings") {
		job.Stdout.Write([]byte(fmt.Sprintf("WARNING: %s\n", warning)))
	}

	job.Stdout.Write([]byte(runResult.Get("Id")))

	return engine.StatusOK
}