Esempio n. 1
0
func generatePath(resourcePath string, body string) string {
	var curSchema = schema.GetSchemaByPath(resourcePath)

	path := resourcePath
	if _, ok := curSchema.SyncKeyTemplate(); ok {
		var data map[string]interface{}
		err := json.Unmarshal(([]byte)(body), &data)
		if err != nil {
			log.Error(fmt.Sprintf("Error %v during unmarshaling data %v", err, data))
		} else {
			path, err = curSchema.GenerateCustomPath(data)
			if err != nil {
				path = resourcePath
				log.Error(fmt.Sprintf("%v", err))
			}
		}
	}
	path = configPrefix + path
	log.Info("Generated path: %s", path)
	return path
}
Esempio n. 2
0
//MonitoringUpdate updates the state in the db based on the sync event
func MonitoringUpdate(response *gohan_sync.Event, server *Server) error {
	dataStore := server.db
	schemaPath := "/" + strings.TrimPrefix(response.Key, monitoringPrefix)
	var curSchema = schema.GetSchemaByPath(schemaPath)
	if curSchema == nil || !curSchema.StateVersioning() {
		log.Debug("Monitoring update on unexpected path '%s'", schemaPath)
		return nil
	}
	resourceID := curSchema.GetResourceIDFromPath(schemaPath)

	tx, err := dataStore.Begin()
	if err != nil {
		return err
	}
	defer tx.Close()
	err = tx.SetIsolationLevel(transaction.GetIsolationLevel(curSchema, MonitoringUpdateEventName))
	if err != nil {
		return err
	}
	curResource, err := tx.Fetch(curSchema, transaction.IDFilter(resourceID))
	if err != nil {
		return err
	}
	resourceState, err := tx.StateFetch(curSchema, transaction.IDFilter(resourceID))
	if err != nil {
		return err
	}
	if resourceState.ConfigVersion != resourceState.StateVersion {
		return nil
	}
	var ok bool
	monitoringVersion, ok := response.Data["version"].(float64)
	if !ok {
		return fmt.Errorf("No version in monitoring information")
	}
	if resourceState.ConfigVersion != int64(monitoringVersion) {
		return nil
	}
	resourceState.Monitoring, ok = response.Data["monitoring"].(string)
	if !ok {
		return fmt.Errorf("No monitoring in monitoring information")
	}

	environmentManager := extension.GetManager()
	environment, haveEnvironment := environmentManager.GetEnvironment(curSchema.ID)
	context := map[string]interface{}{}
	context["resource"] = curResource.Data()
	context["schema"] = curSchema
	context["monitoring"] = resourceState.Monitoring
	context["transaction"] = tx

	if haveEnvironment {
		if err := extension.HandleEvent(context, environment, "pre_monitoring_update_in_transaction"); err != nil {
			return err
		}
	}

	err = tx.StateUpdate(curResource, &resourceState)
	if err != nil {
		return err
	}

	if haveEnvironment {
		if err := extension.HandleEvent(context, environment, "post_monitoring_update_in_transaction"); err != nil {
			return err
		}
	}

	return tx.Commit()
}
Esempio n. 3
0
//StateUpdate updates the state in the db based on the sync event
func StateUpdate(response *gohan_sync.Event, server *Server) error {
	dataStore := server.db
	schemaPath := "/" + strings.TrimPrefix(response.Key, statePrefix)
	var curSchema = schema.GetSchemaByPath(schemaPath)
	if curSchema == nil || !curSchema.StateVersioning() {
		log.Debug("State update on unexpected path '%s'", schemaPath)
		return nil
	}
	resourceID := curSchema.GetResourceIDFromPath(schemaPath)

	tx, err := dataStore.Begin()
	if err != nil {
		return err
	}
	defer tx.Close()
	err = tx.SetIsolationLevel(transaction.GetIsolationLevel(curSchema, StateUpdateEventName))
	if err != nil {
		return err
	}
	curResource, err := tx.Fetch(curSchema, transaction.IDFilter(resourceID))
	if err != nil {
		return err
	}
	resourceState, err := tx.StateFetch(curSchema, transaction.IDFilter(resourceID))
	if err != nil {
		return err
	}
	if resourceState.StateVersion == resourceState.ConfigVersion {
		return nil
	}
	stateVersion, ok := response.Data["version"].(float64)
	if !ok {
		return fmt.Errorf("No version in state information")
	}
	oldStateVersion := resourceState.StateVersion
	resourceState.StateVersion = int64(stateVersion)
	if resourceState.StateVersion < oldStateVersion {
		return nil
	}
	if newError, ok := response.Data["error"].(string); ok {
		resourceState.Error = newError
	}
	if newState, ok := response.Data["state"].(string); ok {
		resourceState.State = newState
	}

	environmentManager := extension.GetManager()
	environment, haveEnvironment := environmentManager.GetEnvironment(curSchema.ID)
	context := map[string]interface{}{}

	if haveEnvironment {
		serviceAuthorization, _ := server.keystoneIdentity.GetServiceAuthorization()

		context["catalog"] = serviceAuthorization.Catalog()
		context["auth_token"] = serviceAuthorization.AuthToken()
		context["resource"] = curResource.Data()
		context["schema"] = curSchema
		context["state"] = response.Data
		context["config_version"] = resourceState.ConfigVersion
		context["transaction"] = tx

		if err := extension.HandleEvent(context, environment, "pre_state_update_in_transaction"); err != nil {
			return err
		}
	}

	err = tx.StateUpdate(curResource, &resourceState)
	if err != nil {
		return err
	}

	if haveEnvironment {
		if err := extension.HandleEvent(context, environment, "post_state_update_in_transaction"); err != nil {
			return err
		}
	}

	return tx.Commit()
}