Golang Machine.SetHasVote方法代码示例

//.........这里部分代码省略.........
	}

	// Generate a shared secret for the Mongo replica set, and write it out.
	sharedSecret, err := mongo.GenerateSharedSecret()
	if err != nil {
		return err
	}
	info, ok := agentConfig.StateServingInfo()
	if !ok {
		return fmt.Errorf("bootstrap machine config has no state serving info")
	}
	info.SharedSecret = sharedSecret
	info.SystemIdentity = privateKey
	err = c.ChangeConfig(func(agentConfig agent.ConfigSetter) error {
		agentConfig.SetStateServingInfo(info)
		return nil
	})
	if err != nil {
		return fmt.Errorf("cannot write agent config: %v", err)
	}
	agentConfig = c.CurrentConfig()

	// Create system-identity file
	if err := agent.WriteSystemIdentityFile(agentConfig); err != nil {
		return err
	}

	if err := c.startMongo(addrs, agentConfig); err != nil {
		return err
	}

	logger.Infof("started mongo")
	// Initialise state, and store any agent config (e.g. password) changes.
	var st *state.State
	var m *state.Machine
	err = c.ChangeConfig(func(agentConfig agent.ConfigSetter) error {
		var stateErr error
		dialOpts := mongo.DefaultDialOpts()

		// Set a longer socket timeout than usual, as the machine
		// will be starting up and disk I/O slower than usual. This
		// has been known to cause timeouts in queries.
		timeouts := envCfg.BootstrapSSHOpts()
		dialOpts.SocketTimeout = timeouts.Timeout
		if dialOpts.SocketTimeout < minSocketTimeout {
			dialOpts.SocketTimeout = minSocketTimeout
		}

		// We shouldn't attempt to dial peers until we have some.
		dialOpts.Direct = true

		adminTag := names.NewLocalUserTag(c.AdminUsername)
		st, m, stateErr = agentInitializeState(
			adminTag,
			agentConfig,
			envCfg,
			agent.BootstrapMachineConfig{
				Addresses:       addrs,
				Constraints:     c.Constraints,
				Jobs:            jobs,
				InstanceId:      instanceId,
				Characteristics: c.Hardware,
				SharedSecret:    sharedSecret,
			},
			dialOpts,
			environs.NewStatePolicy(),
		)
		return stateErr
	})
	if err != nil {
		return err
	}
	defer st.Close()

	// Populate the tools catalogue.
	if err := c.populateTools(st, env); err != nil {
		return err
	}

	// Add custom image metadata to environment storage.
	if c.ImageMetadataDir != "" {
		if err := c.saveCustomImageMetadata(st); err != nil {
			return err
		}

		// TODO (anastasiamac 2015-09-24) Remove this once search path is updated..
		stor := newStateStorage(st.EnvironUUID(), st.MongoSession())
		if err := c.storeCustomImageMetadata(stor); err != nil {
			return err
		}
	}

	// Populate the storage pools.
	if err := c.populateDefaultStoragePools(st); err != nil {
		return err
	}

	// bootstrap machine always gets the vote
	return m.SetHasVote(true)
}

//.........这里部分代码省略.........
			config.SetMongoVersion(mongo.Mongo24)
		}
		return nil
	})
	if err != nil {
		return errors.Annotate(err, "cannot set mongo version")
	}

	agentConfig = c.CurrentConfig()

	// Create system-identity file
	if err := agent.WriteSystemIdentityFile(agentConfig); err != nil {
		return err
	}

	if err := c.startMongo(addrs, agentConfig); err != nil {
		return err
	}

	logger.Infof("started mongo")
	// Initialise state, and store any agent config (e.g. password) changes.
	envCfg, err = env.Config().Apply(newConfigAttrs)
	if err != nil {
		return errors.Annotate(err, "failed to update model config")
	}
	var st *state.State
	var m *state.Machine
	err = c.ChangeConfig(func(agentConfig agent.ConfigSetter) error {
		var stateErr error
		dialOpts := mongo.DefaultDialOpts()

		// Set a longer socket timeout than usual, as the machine
		// will be starting up and disk I/O slower than usual. This
		// has been known to cause timeouts in queries.
		timeouts := envCfg.BootstrapSSHOpts()
		dialOpts.SocketTimeout = timeouts.Timeout
		if dialOpts.SocketTimeout < minSocketTimeout {
			dialOpts.SocketTimeout = minSocketTimeout
		}

		// We shouldn't attempt to dial peers until we have some.
		dialOpts.Direct = true

		adminTag := names.NewLocalUserTag(c.AdminUsername)
		st, m, stateErr = agentInitializeState(
			adminTag,
			agentConfig,
			envCfg, c.HostedModelConfig,
			agentbootstrap.BootstrapMachineConfig{
				Addresses:            addrs,
				BootstrapConstraints: c.BootstrapConstraints,
				ModelConstraints:     c.ModelConstraints,
				Jobs:                 jobs,
				InstanceId:           instanceId,
				Characteristics:      c.Hardware,
				SharedSecret:         sharedSecret,
			},
			dialOpts,
			environs.NewStatePolicy(),
		)
		return stateErr
	})
	if err != nil {
		return err
	}
	defer st.Close()

	// Populate the tools catalogue.
	if err := c.populateTools(st, env); err != nil {
		return err
	}

	// Populate the GUI archive catalogue.
	if err := c.populateGUIArchive(st, env); err != nil {
		// Do not stop the bootstrapping process for Juju GUI archive errors.
		logger.Warningf("cannot set up Juju GUI: %s", err)
	} else {
		logger.Debugf("Juju GUI successfully set up")
	}

	// Add custom image metadata to environment storage.
	if c.ImageMetadataDir != "" {
		if err := c.saveCustomImageMetadata(st, env); err != nil {
			return err
		}

		stor := newStateStorage(st.ModelUUID(), st.MongoSession())
		if err := c.storeCustomImageMetadata(stor); err != nil {
			return err
		}
	}

	// Populate the storage pools.
	if err = c.populateDefaultStoragePools(st); err != nil {
		return err
	}

	// bootstrap machine always gets the vote
	return m.SetHasVote(true)
}

// Run initializes state for an environment.
func (c *BootstrapCommand) Run(_ *cmd.Context) error {
	envCfg, err := config.New(config.NoDefaults, c.EnvConfig)
	if err != nil {
		return err
	}
	err = c.ReadConfig("machine-0")
	if err != nil {
		return err
	}
	agentConfig := c.CurrentConfig()

	// agent.Jobs is an optional field in the agent config, and was
	// introduced after 1.17.2. We default to allowing units on
	// machine-0 if missing.
	jobs := agentConfig.Jobs()
	if len(jobs) == 0 {
		jobs = []params.MachineJob{
			params.JobManageEnviron,
			params.JobHostUnits,
		}
	}

	// Get the bootstrap machine's addresses from the provider.
	env, err := environs.New(envCfg)
	if err != nil {
		return err
	}
	instanceId := instance.Id(c.InstanceId)
	instances, err := env.Instances([]instance.Id{instanceId})
	if err != nil {
		return err
	}
	addrs, err := instances[0].Addresses()
	if err != nil {
		return err
	}

	// Create system-identity file
	if err := agent.WriteSystemIdentityFile(agentConfig); err != nil {
		return err
	}

	// Generate a shared secret for the Mongo replica set, and write it out.
	sharedSecret, err := mongo.GenerateSharedSecret()
	if err != nil {
		return err
	}
	info, ok := agentConfig.StateServingInfo()
	if !ok {
		return fmt.Errorf("bootstrap machine config has no state serving info")
	}
	info.SharedSecret = sharedSecret
	err = c.ChangeConfig(func(agentConfig agent.ConfigSetter) {
		agentConfig.SetStateServingInfo(info)
	})
	if err != nil {
		return fmt.Errorf("cannot write agent config: %v", err)
	}
	agentConfig = c.CurrentConfig()

	if err := c.startMongo(addrs, agentConfig); err != nil {
		return err
	}

	logger.Infof("started mongo")
	// Initialise state, and store any agent config (e.g. password) changes.
	var st *state.State
	var m *state.Machine
	err = nil
	writeErr := c.ChangeConfig(func(agentConfig agent.ConfigSetter) {
		st, m, err = agent.InitializeState(
			agentConfig,
			envCfg,
			agent.BootstrapMachineConfig{
				Addresses:       addrs,
				Constraints:     c.Constraints,
				Jobs:            jobs,
				InstanceId:      instanceId,
				Characteristics: c.Hardware,
				SharedSecret:    sharedSecret,
			},
			mongo.DefaultDialOpts(),
			environs.NewStatePolicy(),
		)
	})
	if writeErr != nil {
		return fmt.Errorf("cannot write initial configuration: %v", err)
	}
	if err != nil {
		return err
	}
	defer st.Close()

	// bootstrap machine always gets the vote
	return m.SetHasVote(true)
}