Golang TabletAlias.String方法代码示例

func (ar *ActionRepository) ApplyTabletAction(actionName string, tabletAlias topo.TabletAlias, r *http.Request) *ActionResult {
	result := &ActionResult{Name: actionName, Parameters: tabletAlias.String()}

	action, ok := ar.tabletActions[actionName]
	if !ok {
		result.error("Unknown tablet action")
		return result
	}

	// check the role
	if action.role != "" {
		if err := acl.CheckAccessHTTP(r, action.role); err != nil {
			result.error("Access denied")
			return result
		}
	}

	// run the action
	wr := wrangler.New(logutil.NewConsoleLogger(), ar.ts, *actionTimeout, *lockTimeout)
	output, err := action.method(wr, tabletAlias, r)
	if err != nil {
		result.error(err.Error())
		return result
	}
	result.Output = output
	return result
}

// RecordTabletTagAction records a new TabletTagAction
// into the specified Cleaner
func RecordTabletTagAction(cleaner *Cleaner, tabletAlias topo.TabletAlias, name, value string) {
	cleaner.Record(TabletTagActionName, tabletAlias.String(), &TabletTagAction{
		TabletAlias: tabletAlias,
		Name:        name,
		Value:       value,
	})
}

// FindChangeSlaveTypeActionByTarget finds the first action for the target
func FindChangeSlaveTypeActionByTarget(cleaner *Cleaner, tabletAlias topo.TabletAlias) (*ChangeSlaveTypeAction, error) {
	action, err := cleaner.GetActionByName(ChangeSlaveTypeActionName, tabletAlias.String())
	if err != nil {
		return nil, err
	}
	result, ok := action.(*ChangeSlaveTypeAction)
	if !ok {
		return nil, fmt.Errorf("Action with wrong type: %v", action)
	}
	return result, nil
}

// helper method to asynchronously diff a permissions
func (wr *Wrangler) diffPermissions(masterPermissions *myproto.Permissions, masterAlias topo.TabletAlias, alias topo.TabletAlias, wg *sync.WaitGroup, er concurrency.ErrorRecorder) {
	defer wg.Done()
	log.Infof("Gathering permissions for %v", alias)
	slavePermissions, err := wr.GetPermissions(alias)
	if err != nil {
		er.RecordError(err)
		return
	}

	log.Infof("Diffing permissions for %v", alias)
	myproto.DiffPermissions(masterAlias.String(), masterPermissions, alias.String(), slavePermissions, er)
}

// helper method to asynchronously diff a schema
func (wr *Wrangler) diffSchema(masterSchema *myproto.SchemaDefinition, masterTabletAlias, alias topo.TabletAlias, excludeTables []string, includeViews bool, wg *sync.WaitGroup, er concurrency.ErrorRecorder) {
	defer wg.Done()
	log.Infof("Gathering schema for %v", alias)
	slaveSchema, err := wr.GetSchema(alias, nil, excludeTables, includeViews)
	if err != nil {
		er.RecordError(err)
		return
	}

	log.Infof("Diffing schema for %v", alias)
	myproto.DiffSchema(masterTabletAlias.String(), masterSchema, alias.String(), slaveSchema, er)
}

// RecordChangeSlaveTypeAction records a new ChangeSlaveTypeAction
// into the specified Cleaner
func RecordChangeSlaveTypeAction(cleaner *Cleaner, tabletAlias topo.TabletAlias, tabletType topo.TabletType) {
	cleaner.Record(ChangeSlaveTypeActionName, tabletAlias.String(), &ChangeSlaveTypeAction{
		TabletAlias: tabletAlias,
		TabletType:  tabletType,
	})
}

// ConfigureTabletHook configures the right parameters for a hook
// running locally on a tablet.
func ConfigureTabletHook(hk *hook.Hook, tabletAlias topo.TabletAlias) {
	if hk.ExtraEnv == nil {
		hk.ExtraEnv = make(map[string]string, 1)
	}
	hk.ExtraEnv["TABLET_ALIAS"] = tabletAlias.String()
}