コード例 #1
0
ファイル: provisioner.go プロジェクト: kakamessi99/juju
// machineTags returns machine-specific tags to set on the instance.
func (p *ProvisionerAPI) machineTags(m *state.Machine, jobs []multiwatcher.MachineJob) (map[string]string, error) {
	// Names of all units deployed to the machine.
	//
	// TODO(axw) 2015-06-02 #1461358
	// We need a worker that periodically updates
	// instance tags with current deployment info.
	units, err := m.Units()
	if err != nil {
		return nil, errors.Trace(err)
	}
	unitNames := make([]string, 0, len(units))
	for _, unit := range units {
		if !unit.IsPrincipal() {
			continue
		}
		unitNames = append(unitNames, unit.Name())
	}
	sort.Strings(unitNames)

	cfg, err := p.st.EnvironConfig()
	if err != nil {
		return nil, errors.Trace(err)
	}
	machineTags := instancecfg.InstanceTags(cfg, jobs)
	if len(unitNames) > 0 {
		machineTags[tags.JujuUnitsDeployed] = strings.Join(unitNames, " ")
	}
	return machineTags, nil
}
コード例 #2
0
// StartInstanceWithParams is a test helper function that starts an instance
// with the given parameters, and a plausible but invalid configuration, and
// returns the result of Environ.StartInstance. The provided params's
// InstanceConfig and Tools field values will be ignored.
func StartInstanceWithParams(
	env environs.Environ, machineId string,
	params environs.StartInstanceParams,
) (
	*environs.StartInstanceResult, error,
) {
	preferredSeries := config.PreferredSeries(env.Config())
	agentVersion, ok := env.Config().AgentVersion()
	if !ok {
		return nil, errors.New("missing agent version in model config")
	}
	filter := coretools.Filter{
		Number: agentVersion,
		Series: preferredSeries,
	}
	if params.Constraints.Arch != nil {
		filter.Arch = *params.Constraints.Arch
	}
	stream := tools.PreferredStream(&agentVersion, env.Config().Development(), env.Config().AgentStream())
	possibleTools, err := tools.FindTools(env, -1, -1, stream, filter)
	if err != nil {
		return nil, errors.Trace(err)
	}

	if params.ImageMetadata == nil {
		if err := SetImageMetadata(
			env,
			possibleTools.AllSeries(),
			possibleTools.Arches(),
			&params.ImageMetadata,
		); err != nil {
			return nil, errors.Trace(err)
		}
	}

	machineNonce := "fake_nonce"
	stateInfo := FakeStateInfo(machineId)
	apiInfo := FakeAPIInfo(machineId)
	instanceConfig, err := instancecfg.NewInstanceConfig(
		machineId,
		machineNonce,
		imagemetadata.ReleasedStream,
		preferredSeries,
		"",
		true,
		stateInfo,
		apiInfo,
	)
	if err != nil {
		return nil, errors.Trace(err)
	}
	instanceConfig.Tags = instancecfg.InstanceTags(env.Config(), nil)
	params.Tools = possibleTools
	params.InstanceConfig = instanceConfig
	return env.StartInstance(params)
}
コード例 #3
0
ファイル: tags.go プロジェクト: claudiu-coblis/juju
func addInstanceTags(env environs.Environ, machines []*state.Machine) error {
	cfg := env.Config()
	tagger, ok := env.(environs.InstanceTagger)
	if !ok {
		logger.Debugf("environment type %q does not support instance tagging", cfg.Type())
		return nil
	}

	// Tag each top-level, provisioned machine.
	logger.Infof("adding tags to existing machine instances")
	for _, m := range machines {
		if names.IsContainerMachine(m.Id()) {
			continue
		}
		instId, err := m.InstanceId()
		if errors.IsNotProvisioned(err) {
			continue
		} else if err != nil {
			return errors.Annotatef(err, "getting instance ID for machine %v", m.Id())
		}

		stateMachineJobs := m.Jobs()
		paramsMachineJobs := make([]multiwatcher.MachineJob, len(stateMachineJobs))
		for i, job := range stateMachineJobs {
			paramsMachineJobs[i] = job.ToParams()
		}

		tags := instancecfg.InstanceTags(cfg, paramsMachineJobs)
		logger.Infof("tagging instance %v: %v", instId, tags)
		if err := tagger.TagInstance(instId, tags); err != nil {
			return errors.Annotatef(err, "tagging instance %v for machine %v", instId, m.Id())
		}
	}

	return nil
}
コード例 #4
0
ファイル: instancecfg_test.go プロジェクト: bac/juju
func testInstanceTags(c *gc.C, cfg *config.Config, jobs []multiwatcher.MachineJob, expectTags map[string]string) {
	tags := instancecfg.InstanceTags(testing.ModelTag.Id(), testing.ControllerTag.Id(), cfg, jobs)
	c.Assert(tags, jc.DeepEquals, expectTags)
}
コード例 #5
0
ファイル: bootstrap.go プロジェクト: kat-co/juju
// BootstrapInstance creates a new instance with the series of its choice,
// constrained to those of the available tools, and
// returns the instance result, series, and a function that
// must be called to finalize the bootstrap process by transferring
// the tools and installing the initial Juju controller.
// This method is called by Bootstrap above, which implements environs.Bootstrap, but
// is also exported so that providers can manipulate the started instance.
func BootstrapInstance(ctx environs.BootstrapContext, env environs.Environ, args environs.BootstrapParams,
) (_ *environs.StartInstanceResult, selectedSeries string, _ environs.BootstrapFinalizer, err error) {
	// TODO make safe in the case of racing Bootstraps
	// If two Bootstraps are called concurrently, there's
	// no way to make sure that only one succeeds.

	// First thing, ensure we have tools otherwise there's no point.
	if args.BootstrapSeries != "" {
		selectedSeries = args.BootstrapSeries
	} else {
		selectedSeries = config.PreferredSeries(env.Config())
	}
	availableTools, err := args.AvailableTools.Match(coretools.Filter{
		Series: selectedSeries,
	})
	if err != nil {
		return nil, "", nil, err
	}

	// Filter image metadata to the selected series.
	var imageMetadata []*imagemetadata.ImageMetadata
	seriesVersion, err := series.SeriesVersion(selectedSeries)
	if err != nil {
		return nil, "", nil, errors.Trace(err)
	}
	for _, m := range args.ImageMetadata {
		if m.Version != seriesVersion {
			continue
		}
		imageMetadata = append(imageMetadata, m)
	}

	// Get the bootstrap SSH client. Do this early, so we know
	// not to bother with any of the below if we can't finish the job.
	client := ssh.DefaultClient
	if client == nil {
		// This should never happen: if we don't have OpenSSH, then
		// go.crypto/ssh should be used with an auto-generated key.
		return nil, "", nil, fmt.Errorf("no SSH client available")
	}

	publicKey, err := simplestreams.UserPublicSigningKey()
	if err != nil {
		return nil, "", nil, err
	}
	envCfg := env.Config()
	instanceConfig, err := instancecfg.NewBootstrapInstanceConfig(
		args.ControllerConfig, args.BootstrapConstraints, args.ModelConstraints, selectedSeries, publicKey,
	)
	if err != nil {
		return nil, "", nil, err
	}
	instanceConfig.EnableOSRefreshUpdate = env.Config().EnableOSRefreshUpdate()
	instanceConfig.EnableOSUpgrade = env.Config().EnableOSUpgrade()

	instanceConfig.Tags = instancecfg.InstanceTags(envCfg.UUID(), args.ControllerConfig.ControllerUUID(), envCfg, instanceConfig.Jobs)
	maybeSetBridge := func(icfg *instancecfg.InstanceConfig) {
		// If we need to override the default bridge name, do it now. When
		// args.ContainerBridgeName is empty, the default names for LXC
		// (lxcbr0) and KVM (virbr0) will be used.
		if args.ContainerBridgeName != "" {
			logger.Debugf("using %q as network bridge for all container types", args.ContainerBridgeName)
			if icfg.AgentEnvironment == nil {
				icfg.AgentEnvironment = make(map[string]string)
			}
			icfg.AgentEnvironment[agent.LxcBridge] = args.ContainerBridgeName
		}
	}
	maybeSetBridge(instanceConfig)

	cloudRegion := args.CloudName
	if args.CloudRegion != "" {
		cloudRegion += "/" + args.CloudRegion
	}
	fmt.Fprintf(ctx.GetStderr(), "Launching controller instance(s) on %s...\n", cloudRegion)
	// Print instance status reports status changes during provisioning.
	// Note the carriage returns, meaning subsequent prints are to the same
	// line of stderr, not a new line.
	instanceStatus := func(settableStatus status.Status, info string, data map[string]interface{}) error {
		// The data arg is not expected to be used in this case, but
		// print it, rather than ignore it, if we get something.
		dataString := ""
		if len(data) > 0 {
			dataString = fmt.Sprintf(" %v", data)
		}
		fmt.Fprintf(ctx.GetStderr(), " - %s%s\r", info, dataString)
		return nil
	}
	// Likely used after the final instanceStatus call to white-out the
	// current stderr line before the next use, removing any residual status
	// reporting output.
	statusCleanup := func(info string) error {
		// The leading spaces account for the leading characters
		// emitted by instanceStatus above.
		fmt.Fprintf(ctx.GetStderr(), "   %s\r", info)
		return nil
	}
	result, err := env.StartInstance(environs.StartInstanceParams{
		ControllerUUID:  args.ControllerConfig.ControllerUUID(),
		Constraints:     args.BootstrapConstraints,
		Tools:           availableTools,
		InstanceConfig:  instanceConfig,
		Placement:       args.Placement,
		ImageMetadata:   imageMetadata,
		StatusCallback:  instanceStatus,
		CleanupCallback: statusCleanup,
	})
	if err != nil {
		return nil, "", nil, errors.Annotate(err, "cannot start bootstrap instance")
	}
	// We need some padding below to overwrite any previous messages. We'll use a width of 40.
	msg := fmt.Sprintf(" - %s", result.Instance.Id())
	if len(msg) < 40 {
		padding := make([]string, 40-len(msg))
		msg += strings.Join(padding, " ")
	}
	fmt.Fprintln(ctx.GetStderr(), msg)

	finalize := func(ctx environs.BootstrapContext, icfg *instancecfg.InstanceConfig, opts environs.BootstrapDialOpts) error {
		icfg.Bootstrap.BootstrapMachineInstanceId = result.Instance.Id()
		icfg.Bootstrap.BootstrapMachineHardwareCharacteristics = result.Hardware
		envConfig := env.Config()
		if result.Config != nil {
			updated, err := envConfig.Apply(result.Config.UnknownAttrs())
			if err != nil {
				return errors.Trace(err)
			}
			envConfig = updated
		}
		if err := instancecfg.FinishInstanceConfig(icfg, envConfig); err != nil {
			return err
		}
		maybeSetBridge(icfg)
		return FinishBootstrap(ctx, client, env, result.Instance, icfg, opts)
	}
	return result, selectedSeries, finalize, nil
}
コード例 #6
0
ファイル: bootstrap.go プロジェクト: claudiu-coblis/juju
// BootstrapInstance creates a new instance with the series and architecture
// of its choice, constrained to those of the available tools, and
// returns the instance result, series, and a function that
// must be called to finalize the bootstrap process by transferring
// the tools and installing the initial Juju state server.
// This method is called by Bootstrap above, which implements environs.Bootstrap, but
// is also exported so that providers can manipulate the started instance.
func BootstrapInstance(ctx environs.BootstrapContext, env environs.Environ, args environs.BootstrapParams,
) (_ *environs.StartInstanceResult, series string, _ environs.BootstrapFinalizer, err error) {
	// TODO make safe in the case of racing Bootstraps
	// If two Bootstraps are called concurrently, there's
	// no way to make sure that only one succeeds.

	// First thing, ensure we have tools otherwise there's no point.
	series = config.PreferredSeries(env.Config())
	availableTools, err := args.AvailableTools.Match(coretools.Filter{Series: series})
	if err != nil {
		return nil, "", nil, err
	}

	// Get the bootstrap SSH client. Do this early, so we know
	// not to bother with any of the below if we can't finish the job.
	client := ssh.DefaultClient
	if client == nil {
		// This should never happen: if we don't have OpenSSH, then
		// go.crypto/ssh should be used with an auto-generated key.
		return nil, "", nil, fmt.Errorf("no SSH client available")
	}

	instanceConfig, err := instancecfg.NewBootstrapInstanceConfig(args.Constraints, series)
	if err != nil {
		return nil, "", nil, err
	}
	instanceConfig.EnableOSRefreshUpdate = env.Config().EnableOSRefreshUpdate()
	instanceConfig.EnableOSUpgrade = env.Config().EnableOSUpgrade()
	instanceConfig.Tags = instancecfg.InstanceTags(env.Config(), instanceConfig.Jobs)
	maybeSetBridge := func(icfg *instancecfg.InstanceConfig) {
		// If we need to override the default bridge name, do it now. When
		// args.ContainerBridgeName is empty, the default names for LXC
		// (lxcbr0) and KVM (virbr0) will be used.
		if args.ContainerBridgeName != "" {
			logger.Debugf("using %q as network bridge for all container types", args.ContainerBridgeName)
			if icfg.AgentEnvironment == nil {
				icfg.AgentEnvironment = make(map[string]string)
			}
			icfg.AgentEnvironment[agent.LxcBridge] = args.ContainerBridgeName
		}
	}
	maybeSetBridge(instanceConfig)

	fmt.Fprintln(ctx.GetStderr(), "Launching instance")
	result, err := env.StartInstance(environs.StartInstanceParams{
		Constraints:    args.Constraints,
		Tools:          availableTools,
		InstanceConfig: instanceConfig,
		Placement:      args.Placement,
	})
	if err != nil {
		return nil, "", nil, errors.Annotate(err, "cannot start bootstrap instance")
	}
	fmt.Fprintf(ctx.GetStderr(), " - %s\n", result.Instance.Id())

	finalize := func(ctx environs.BootstrapContext, icfg *instancecfg.InstanceConfig) error {
		icfg.InstanceId = result.Instance.Id()
		icfg.HardwareCharacteristics = result.Hardware
		if err := instancecfg.FinishInstanceConfig(icfg, env.Config()); err != nil {
			return err
		}
		maybeSetBridge(icfg)
		return FinishBootstrap(ctx, client, result.Instance, icfg)
	}
	return result, series, finalize, nil
}
コード例 #7
0
ファイル: bootstrap.go プロジェクト: xushiwei/juju
// BootstrapInstance creates a new instance with the series and architecture
// of its choice, constrained to those of the available tools, and
// returns the instance result, series, and a function that
// must be called to finalize the bootstrap process by transferring
// the tools and installing the initial Juju controller.
// This method is called by Bootstrap above, which implements environs.Bootstrap, but
// is also exported so that providers can manipulate the started instance.
func BootstrapInstance(ctx environs.BootstrapContext, env environs.Environ, args environs.BootstrapParams,
) (_ *environs.StartInstanceResult, selectedSeries string, _ environs.BootstrapFinalizer, err error) {
	// TODO make safe in the case of racing Bootstraps
	// If two Bootstraps are called concurrently, there's
	// no way to make sure that only one succeeds.

	// First thing, ensure we have tools otherwise there's no point.
	if args.BootstrapSeries != "" {
		selectedSeries = args.BootstrapSeries
	} else {
		selectedSeries = config.PreferredSeries(env.Config())
	}
	availableTools, err := args.AvailableTools.Match(coretools.Filter{
		Series: selectedSeries,
	})
	if err != nil {
		return nil, "", nil, err
	}

	// Filter image metadata to the selected series.
	var imageMetadata []*imagemetadata.ImageMetadata
	seriesVersion, err := series.SeriesVersion(selectedSeries)
	if err != nil {
		return nil, "", nil, errors.Trace(err)
	}
	for _, m := range args.ImageMetadata {
		if m.Version != seriesVersion {
			continue
		}
		imageMetadata = append(imageMetadata, m)
	}

	// Get the bootstrap SSH client. Do this early, so we know
	// not to bother with any of the below if we can't finish the job.
	client := ssh.DefaultClient
	if client == nil {
		// This should never happen: if we don't have OpenSSH, then
		// go.crypto/ssh should be used with an auto-generated key.
		return nil, "", nil, fmt.Errorf("no SSH client available")
	}

	publicKey, err := simplestreams.UserPublicSigningKey()
	if err != nil {
		return nil, "", nil, err
	}
	instanceConfig, err := instancecfg.NewBootstrapInstanceConfig(
		args.BootstrapConstraints, args.ModelConstraints, selectedSeries, publicKey,
	)
	if err != nil {
		return nil, "", nil, err
	}
	instanceConfig.EnableOSRefreshUpdate = env.Config().EnableOSRefreshUpdate()
	instanceConfig.EnableOSUpgrade = env.Config().EnableOSUpgrade()
	instanceConfig.Tags = instancecfg.InstanceTags(env.Config(), instanceConfig.Jobs)
	maybeSetBridge := func(icfg *instancecfg.InstanceConfig) {
		// If we need to override the default bridge name, do it now. When
		// args.ContainerBridgeName is empty, the default names for LXC
		// (lxcbr0) and KVM (virbr0) will be used.
		if args.ContainerBridgeName != "" {
			logger.Debugf("using %q as network bridge for all container types", args.ContainerBridgeName)
			if icfg.AgentEnvironment == nil {
				icfg.AgentEnvironment = make(map[string]string)
			}
			icfg.AgentEnvironment[agent.LxcBridge] = args.ContainerBridgeName
		}
	}
	maybeSetBridge(instanceConfig)

	fmt.Fprintln(ctx.GetStderr(), "Launching instance")
	instanceStatus := func(settableStatus status.Status, info string, data map[string]interface{}) error {
		fmt.Fprintf(ctx.GetStderr(), "%s      \r", info)
		return nil
	}
	result, err := env.StartInstance(environs.StartInstanceParams{
		Constraints:    args.BootstrapConstraints,
		Tools:          availableTools,
		InstanceConfig: instanceConfig,
		Placement:      args.Placement,
		ImageMetadata:  imageMetadata,
		StatusCallback: instanceStatus,
	})
	if err != nil {
		return nil, "", nil, errors.Annotate(err, "cannot start bootstrap instance")
	}
	fmt.Fprintf(ctx.GetStderr(), " - %s\n", result.Instance.Id())

	finalize := func(ctx environs.BootstrapContext, icfg *instancecfg.InstanceConfig) error {
		icfg.InstanceId = result.Instance.Id()
		icfg.HardwareCharacteristics = result.Hardware
		envConfig := env.Config()
		if result.Config != nil {
			updated, err := envConfig.Apply(result.Config.UnknownAttrs())
			if err != nil {
				return errors.Trace(err)
			}
			envConfig = updated
		}
		if err := instancecfg.FinishInstanceConfig(icfg, envConfig); err != nil {
			return err
		}
		maybeSetBridge(icfg)
		return FinishBootstrap(ctx, client, env, result.Instance, icfg)
	}
	return result, selectedSeries, finalize, nil
}
コード例 #8
0
ファイル: instance.go プロジェクト: bac/juju
func fillinStartInstanceParams(env environs.Environ, machineId string, isController bool, params *environs.StartInstanceParams) error {
	if params.ControllerUUID == "" {
		return errors.New("missing controller UUID in start instance parameters")
	}
	preferredSeries := config.PreferredSeries(env.Config())
	agentVersion, ok := env.Config().AgentVersion()
	if !ok {
		return errors.New("missing agent version in model config")
	}
	filter := coretools.Filter{
		Number: agentVersion,
		Series: preferredSeries,
	}
	if params.Constraints.Arch != nil {
		filter.Arch = *params.Constraints.Arch
	}
	stream := tools.PreferredStream(&agentVersion, env.Config().Development(), env.Config().AgentStream())
	possibleTools, err := tools.FindTools(env, -1, -1, stream, filter)
	if err != nil {
		return errors.Trace(err)
	}

	if params.ImageMetadata == nil {
		if err := SetImageMetadata(
			env,
			possibleTools.AllSeries(),
			possibleTools.Arches(),
			&params.ImageMetadata,
		); err != nil {
			return errors.Trace(err)
		}
	}

	machineNonce := "fake_nonce"
	apiInfo := FakeAPIInfo(machineId)
	instanceConfig, err := instancecfg.NewInstanceConfig(
		testing.ControllerTag,
		machineId,
		machineNonce,
		imagemetadata.ReleasedStream,
		preferredSeries,
		apiInfo,
	)
	if err != nil {
		return errors.Trace(err)
	}
	if isController {
		instanceConfig.Controller = &instancecfg.ControllerConfig{
			Config: testing.FakeControllerConfig(),
			MongoInfo: &mongo.MongoInfo{
				Info: mongo.Info{
					Addrs:  []string{"127.0.0.1:1234"},
					CACert: "CA CERT\n" + testing.CACert,
				},
				Password: "******",
				Tag:      names.NewMachineTag(machineId),
			},
		}
		instanceConfig.Jobs = []multiwatcher.MachineJob{multiwatcher.JobHostUnits, multiwatcher.JobManageModel}
	}
	cfg := env.Config()
	instanceConfig.Tags = instancecfg.InstanceTags(env.Config().UUID(), params.ControllerUUID, cfg, nil)
	params.Tools = possibleTools
	params.InstanceConfig = instanceConfig
	return nil
}