示例#1
0
func ReadParsingConfig(s ServerContext, w http.ResponseWriter, r *http.Request) {
	name := mux.Vars(r)["name"]
	repo := s.GetRepository()
	combainerCfg := repo.GetCombainerConfig()
	var parsingCfg configs.ParsingConfig
	cfg, err := repo.GetParsingConfig(name)
	if err != nil {
		fmt.Fprintf(w, "%s", err)
		return
	}

	err = cfg.Decode(&parsingCfg)
	if err != nil {
		fmt.Fprintf(w, "%s", err)
		return
	}

	parsingCfg.UpdateByCombainerConfig(&combainerCfg)
	aggregationConfigs, err := GetAggregationConfigs(repo, &parsingCfg)
	if err != nil {
		log.Errorf("Unable to read aggregation configs: %s", err)
		return
	}

	data, err := common.Encode(&parsingCfg)
	if err != nil {
		fmt.Fprintf(w, "%s", err)
		return
	}

	fmt.Fprintf(w, "============ %s ============\n", name)
	fmt.Fprintf(w, "%s", data)
	for aggname, v := range *aggregationConfigs {
		fmt.Fprintf(w, "============ %s ============\n", aggname)
		d, err := common.Encode(&v)
		if err != nil {
			fmt.Fprintf(w, "%s", err)
			return
		}
		fmt.Fprintf(w, "%s\n", d)
	}
}
示例#2
0
func (cl *Client) UpdateSessionParams(config string) (sp *sessionParams, err error) {
	startTime := time.Now()
	defer cl.Stats.timingPreparing.UpdateSince(startTime)

	cl.Log.WithFields(logrus.Fields{
		"config": config,
	}).Info("updating session parametrs")

	var (
		// tasks
		pTasks   []tasks.ParsingTask
		aggTasks []tasks.AggregationTask

		// timeouts
		parsingTime time.Duration
		wholeTime   time.Duration
	)

	encodedParsingConfig, err := cl.Repository.GetParsingConfig(config)
	if err != nil {
		cl.Log.WithFields(logrus.Fields{
			"config": config,
			"error":  err,
		}).Error("unable to load config")
		return nil, err
	}

	var parsingConfig configs.ParsingConfig
	if err := encodedParsingConfig.Decode(&parsingConfig); err != nil {
		cl.Log.WithFields(logrus.Fields{
			"config": config,
			"error":  err,
		}).Error("unable to decode parsingConfig")
		return nil, err
	}

	cfg := cl.Repository.GetCombainerConfig()
	parsingConfig.UpdateByCombainerConfig(&cfg)
	aggregationConfigs, err := GetAggregationConfigs(cl.Repository, &parsingConfig)
	if err != nil {
		cl.Log.WithFields(logrus.Fields{
			"config": config,
			"error":  err,
		}).Error("unable to read aggregation configs")
		return nil, err
	}

	cl.Log.Infof("updating config: group %s, metahost %s",
		parsingConfig.GetGroup(), parsingConfig.GetMetahost())

	hostFetcher, err := LoadHostFetcher(cl.Context, parsingConfig.HostFetcher)
	if err != nil {
		cl.Log.WithFields(logrus.Fields{
			"config": config,
			"error":  err,
		}).Error("Unable to construct SimpleFetcher")
		return
	}

	allHosts := make(hosts.Hosts)
	for _, item := range parsingConfig.Groups {
		hosts_for_group, err := hostFetcher.Fetch(item)
		if err != nil {
			cl.Log.WithFields(logrus.Fields{
				"config": config,
				"error":  err,
				"group":  item,
			}).Warn("unable to get hosts")
			continue
		}

		allHosts.Merge(&hosts_for_group)
	}

	listOfHosts := allHosts.AllHosts()

	if len(listOfHosts) == 0 {
		err := fmt.Errorf("No hosts in given groups")
		cl.Log.WithFields(logrus.Fields{
			"config": config,
			"group":  parsingConfig.Groups,
		}).Warn("no hosts in given groups")
		return nil, err
	}

	cl.Log.WithFields(logrus.Fields{
		"config": config,
	}).Infof("hosts: %s", listOfHosts)

	// Tasks for parsing
	for _, host := range listOfHosts {
		pTasks = append(pTasks, tasks.ParsingTask{
			CommonTask:         tasks.EmptyCommonTask,
			Host:               host,
			ParsingConfigName:  config,
			ParsingConfig:      parsingConfig,
			AggregationConfigs: *aggregationConfigs,
		})
	}

	for _, name := range parsingConfig.AggConfigs {
		aggTasks = append(aggTasks, tasks.AggregationTask{
			CommonTask:        tasks.EmptyCommonTask,
			Config:            name,
			ParsingConfigName: config,
			ParsingConfig:     parsingConfig,
			AggregationConfig: (*aggregationConfigs)[name],
			Hosts:             allHosts,
		})
	}

	parsingTime, wholeTime = GenerateSessionTimeFrame(parsingConfig.IterationDuration)
	if parsingTime == 0 || wholeTime == 0 {
		return nil, err
	}

	sp = &sessionParams{
		ParsingTime: parsingTime,
		WholeTime:   wholeTime,
		PTasks:      pTasks,
		AggTasks:    aggTasks,
	}

	cl.Log.WithFields(logrus.Fields{
		"config": config,
	}).Infof("Session parametrs have been updated successfully. %v", sp)
	return sp, nil
}