Golang ConfigSetter.Tag方法代码示例

// InitializeState should be called on the bootstrap machine's agent
// configuration. It uses that information to create the controller, dial the
// controller, and initialize it. It also generates a new password for the
// bootstrap machine and calls Write to save the the configuration.
//
// The cfg values will be stored in the state's ModelConfig; the
// machineCfg values will be used to configure the bootstrap Machine,
// and its constraints will be also be used for the model-level
// constraints. The connection to the controller will respect the
// given timeout parameter.
//
// InitializeState returns the newly initialized state and bootstrap
// machine. If it fails, the state may well be irredeemably compromised.
func InitializeState(
	adminUser names.UserTag,
	c agent.ConfigSetter,
	args InitializeStateParams,
	dialOpts mongo.DialOpts,
	newPolicy state.NewPolicyFunc,
) (_ *state.State, _ *state.Machine, resultErr error) {
	if c.Tag() != names.NewMachineTag(agent.BootstrapMachineId) {
		return nil, nil, errors.Errorf("InitializeState not called with bootstrap machine's configuration")
	}
	servingInfo, ok := c.StateServingInfo()
	if !ok {
		return nil, nil, errors.Errorf("state serving information not available")
	}
	// N.B. no users are set up when we're initializing the state,
	// so don't use any tag or password when opening it.
	info, ok := c.MongoInfo()
	if !ok {
		return nil, nil, errors.Errorf("stateinfo not available")
	}
	info.Tag = nil
	info.Password = c.OldPassword()

	if err := initMongoAdminUser(info.Info, dialOpts, info.Password); err != nil {
		return nil, nil, errors.Annotate(err, "failed to initialize mongo admin user")
	}

	cloudCredentials := make(map[names.CloudCredentialTag]cloud.Credential)
	var cloudCredentialTag names.CloudCredentialTag
	if args.ControllerCloudCredential != nil && args.ControllerCloudCredentialName != "" {
		cloudCredentialTag = names.NewCloudCredentialTag(fmt.Sprintf(
			"%s/%s/%s",
			args.ControllerCloudName,
			adminUser.Canonical(),
			args.ControllerCloudCredentialName,
		))
		cloudCredentials[cloudCredentialTag] = *args.ControllerCloudCredential
	}

	logger.Debugf("initializing address %v", info.Addrs)
	st, err := state.Initialize(state.InitializeParams{
		Clock: clock.WallClock,
		ControllerModelArgs: state.ModelArgs{
			Owner:                   adminUser,
			Config:                  args.ControllerModelConfig,
			Constraints:             args.ModelConstraints,
			CloudName:               args.ControllerCloudName,
			CloudRegion:             args.ControllerCloudRegion,
			CloudCredential:         cloudCredentialTag,
			StorageProviderRegistry: args.StorageProviderRegistry,
		},
		CloudName:                 args.ControllerCloudName,
		Cloud:                     args.ControllerCloud,
		CloudCredentials:          cloudCredentials,
		ControllerConfig:          args.ControllerConfig,
		ControllerInheritedConfig: args.ControllerInheritedConfig,
		RegionInheritedConfig:     args.RegionInheritedConfig,
		MongoInfo:                 info,
		MongoDialOpts:             dialOpts,
		NewPolicy:                 newPolicy,
	})
	if err != nil {
		return nil, nil, errors.Errorf("failed to initialize state: %v", err)
	}
	logger.Debugf("connected to initial state")
	defer func() {
		if resultErr != nil {
			st.Close()
		}
	}()
	servingInfo.SharedSecret = args.SharedSecret
	c.SetStateServingInfo(servingInfo)

	// Filter out any LXC or LXD bridge addresses from the machine addresses.
	args.BootstrapMachineAddresses = network.FilterBridgeAddresses(args.BootstrapMachineAddresses)

	if err = initAPIHostPorts(c, st, args.BootstrapMachineAddresses, servingInfo.APIPort); err != nil {
		return nil, nil, err
	}
	ssi := paramsStateServingInfoToStateStateServingInfo(servingInfo)
	if err := st.SetStateServingInfo(ssi); err != nil {
		return nil, nil, errors.Errorf("cannot set state serving info: %v", err)
	}
	m, err := initBootstrapMachine(c, st, args)
	if err != nil {
		return nil, nil, errors.Annotate(err, "cannot initialize bootstrap machine")
	}
//.........这里部分代码省略.........

// InitializeState should be called on the bootstrap machine's agent
// configuration. It uses that information to create the controller, dial the
// controller, and initialize it. It also generates a new password for the
// bootstrap machine and calls Write to save the the configuration.
//
// The cfg values will be stored in the state's ModelConfig; the
// machineCfg values will be used to configure the bootstrap Machine,
// and its constraints will be also be used for the model-level
// constraints. The connection to the controller will respect the
// given timeout parameter.
//
// InitializeState returns the newly initialized state and bootstrap
// machine. If it fails, the state may well be irredeemably compromised.
func InitializeState(
	adminUser names.UserTag,
	c agent.ConfigSetter,
	cfg *config.Config,
	hostedModelConfigAttrs map[string]interface{},
	machineCfg BootstrapMachineConfig,
	dialOpts mongo.DialOpts,
	policy state.Policy,
) (_ *state.State, _ *state.Machine, resultErr error) {
	if c.Tag() != names.NewMachineTag(agent.BootstrapMachineId) {
		return nil, nil, errors.Errorf("InitializeState not called with bootstrap machine's configuration")
	}
	servingInfo, ok := c.StateServingInfo()
	if !ok {
		return nil, nil, errors.Errorf("state serving information not available")
	}
	// N.B. no users are set up when we're initializing the state,
	// so don't use any tag or password when opening it.
	info, ok := c.MongoInfo()
	if !ok {
		return nil, nil, errors.Errorf("stateinfo not available")
	}
	info.Tag = nil
	info.Password = c.OldPassword()

	if err := initMongoAdminUser(info.Info, dialOpts, info.Password); err != nil {
		return nil, nil, errors.Annotate(err, "failed to initialize mongo admin user")
	}

	logger.Debugf("initializing address %v", info.Addrs)
	st, err := state.Initialize(adminUser, info, cfg, dialOpts, policy)
	if err != nil {
		return nil, nil, errors.Errorf("failed to initialize state: %v", err)
	}
	logger.Debugf("connected to initial state")
	defer func() {
		if resultErr != nil {
			st.Close()
		}
	}()
	servingInfo.SharedSecret = machineCfg.SharedSecret
	c.SetStateServingInfo(servingInfo)

	// Filter out any LXC bridge addresses from the machine addresses.
	machineCfg.Addresses = network.FilterLXCAddresses(machineCfg.Addresses)

	if err = initAPIHostPorts(c, st, machineCfg.Addresses, servingInfo.APIPort); err != nil {
		return nil, nil, err
	}
	ssi := paramsStateServingInfoToStateStateServingInfo(servingInfo)
	if err := st.SetStateServingInfo(ssi); err != nil {
		return nil, nil, errors.Errorf("cannot set state serving info: %v", err)
	}
	m, err := initConstraintsAndBootstrapMachine(c, st, machineCfg)
	if err != nil {
		return nil, nil, err
	}

	// Create the initial hosted model, with the model config passed to
	// bootstrap, which contains the UUID, name for the hosted model,
	// and any user supplied config.
	attrs := make(map[string]interface{})
	for k, v := range hostedModelConfigAttrs {
		attrs[k] = v
	}
	hostedModelConfig, err := modelmanager.ModelConfigCreator{}.NewModelConfig(modelmanager.IsAdmin, cfg, attrs)
	if err != nil {
		return nil, nil, errors.Annotate(err, "creating hosted model config")
	}
	_, hostedModelState, err := st.NewModel(hostedModelConfig, adminUser)
	if err != nil {
		return nil, nil, errors.Annotate(err, "creating hosted model")
	}
	if err := hostedModelState.SetModelConstraints(machineCfg.ModelConstraints); err != nil {
		return nil, nil, errors.Annotate(err, "cannot set initial hosted model constraints")
	}
	hostedModelState.Close()

	return st, m, nil
}