Golang Config.SetUpgradedToVersion方法代码示例

// runUpgrades runs the upgrade operations for each job type and updates the updatedToVersion on success.
func (a *MachineAgent) runUpgrades(
	st *state.State,
	apiState *api.State,
	jobs []params.MachineJob,
	agentConfig agent.Config,
) error {
	from := version.Current
	from.Number = agentConfig.UpgradedToVersion()
	if from == version.Current {
		logger.Infof("upgrade to %v already completed.", version.Current)
		return nil
	}
	var err error
	writeErr := a.ChangeConfig(func(agentConfig agent.ConfigSetter) {
		context := upgrades.NewContext(agentConfig, apiState, st)
		for _, job := range jobs {
			target := upgradeTarget(job)
			if target == "" {
				continue
			}
			logger.Infof("starting upgrade from %v to %v for %v %q", from, version.Current, target, a.Tag())
			if err = upgradesPerformUpgrade(from.Number, target, context); err != nil {
				err = fmt.Errorf("cannot perform upgrade from %v to %v for %v %q: %v", from, version.Current, target, a.Tag(), err)
				return
			}
		}
		agentConfig.SetUpgradedToVersion(version.Current.Number)
	})
	if writeErr != nil {
		return fmt.Errorf("cannot write updated agent configuration: %v", writeErr)
	}
	return nil
}

// runUpgrades runs the upgrade operations for each job type and updates the updatedToVersion on success.
func (a *MachineAgent) runUpgrades(
	st *state.State,
	apiState *api.State,
	jobs []params.MachineJob,
	agentConfig agent.Config,
) error {
	from := version.Current
	from.Number = agentConfig.UpgradedToVersion()
	if from == version.Current {
		logger.Infof("upgrade to %v already completed.", version.Current)
		return nil
	}
	isMaster, err := a.isMaster(st, agentConfig)
	if err != nil {
		return errors.Trace(err)
	}
	err = a.ChangeConfig(func(agentConfig agent.ConfigSetter) error {
		var upgradeErr error
		a.setMachineStatus(apiState, params.StatusStarted,
			fmt.Sprintf("upgrading to %v", version.Current))
		context := upgrades.NewContext(agentConfig, apiState, st)
		for _, job := range jobs {
			target := upgradeTarget(job, isMaster)
			if target == "" {
				continue
			}
			logger.Infof("starting upgrade from %v to %v for %v %q", from, version.Current, target, a.Tag())

			attempts := getUpgradeRetryStrategy()
			for attempt := attempts.Start(); attempt.Next(); {
				upgradeErr = upgradesPerformUpgrade(from.Number, target, context)
				if upgradeErr == nil {
					break
				} else {
					retryText := "will retry"
					if !attempt.HasNext() {
						retryText = "giving up"
					}
					logger.Errorf("upgrade from %v to %v for %v %q failed (%s): %v",
						from, version.Current, target, a.Tag(), retryText, upgradeErr)
					a.setMachineStatus(apiState, params.StatusError,
						fmt.Sprintf("upgrade to %v failed (%s): %v", version.Current, retryText, upgradeErr))
				}
			}
		}
		if upgradeErr != nil {
			return upgradeErr
		}
		agentConfig.SetUpgradedToVersion(version.Current.Number)
		return nil
	})
	if err != nil {
		logger.Errorf("upgrade to %v failed: %v", version.Current, err)
		return &fatalError{err.Error()}
	}

	logger.Infof("upgrade to %v completed successfully.", version.Current)
	a.setMachineStatus(apiState, params.StatusStarted, "")
	return nil
}

// runUpgrades runs the upgrade operations for each job type and
// updates the updatedToVersion on success.
func (c *upgradeWorkerContext) runUpgrades(st *state.State, agentConfig agent.Config) error {
	from := version.Current
	from.Number = agentConfig.UpgradedToVersion()
	if from == version.Current {
		logger.Infof("upgrade to %v already completed.", version.Current)
		return nil
	}

	a := c.agent
	tag := agentConfig.Tag().(names.MachineTag)

	isMaster, err := isMachineMaster(st, tag)
	if err != nil {
		return errors.Trace(err)
	}

	err = a.ChangeConfig(func(agentConfig agent.ConfigSetter) error {
		var upgradeErr error
		a.setMachineStatus(c.apiState, params.StatusStarted,
			fmt.Sprintf("upgrading to %v", version.Current))
		context := upgrades.NewContext(agentConfig, c.apiState, st)
		for _, job := range c.jobs {
			target := upgradeTarget(job, isMaster)
			if target == "" {
				continue
			}
			logger.Infof("starting upgrade from %v to %v for %v %q",
				from, version.Current, target, tag)

			attempts := getUpgradeRetryStrategy()
			for attempt := attempts.Start(); attempt.Next(); {
				upgradeErr = upgradesPerformUpgrade(from.Number, target, context)
				if upgradeErr == nil {
					break
				}
				if connectionIsDead(c.apiState) {
					// API connection has gone away - abort!
					return &apiLostDuringUpgrade{upgradeErr}
				}
				retryText := "will retry"
				if !attempt.HasNext() {
					retryText = "giving up"
				}
				logger.Errorf("upgrade from %v to %v for %v %q failed (%s): %v",
					from, version.Current, target, tag, retryText, upgradeErr)
				a.setMachineStatus(c.apiState, params.StatusError,
					fmt.Sprintf("upgrade to %v failed (%s): %v",
						version.Current, retryText, upgradeErr))
			}
		}
		if upgradeErr != nil {
			return upgradeErr
		}
		agentConfig.SetUpgradedToVersion(version.Current.Number)
		return nil
	})
	if err != nil {
		logger.Errorf("upgrade to %v failed: %v", version.Current, err)
		return err
	}

	logger.Infof("upgrade to %v completed successfully.", version.Current)
	a.setMachineStatus(c.apiState, params.StatusStarted, "")
	return nil
}