Esempio n. 1
0
func init() {
	if client, err := db.Client(); err != nil {
		glog.Errorln(err)
	} else {
		defer db.Release(client)
		{
			if len(config.Cfg.Metrics.AddScript) > 0 {
				if addSha, err = client.Cmd("SCRIPT", "LOAD", config.Cfg.Metrics.AddScript).Str(); err != nil {
					glog.Errorln(err)
				} else {
					glog.Infoln("ADD SHA", addSha)
				}
			}

			if len(config.Cfg.Metrics.GetScript) > 0 {
				if getSha, err = client.Cmd("SCRIPT", "LOAD", config.Cfg.Metrics.GetScript).Str(); err != nil {
					glog.Errorln(err)
				} else {
					glog.Infoln("GET SHA", getSha)
				}
			}

			if len(config.Cfg.Metrics.TtlScript) > 0 {
				if ttlSha, err = client.Cmd("SCRIPT", "LOAD", config.Cfg.Metrics.TtlScript).Str(); err != nil {
					glog.Errorln(err)
				} else {
					glog.Infoln("TTL SHA", ttlSha)
				}
			}
		}
	}
}
Esempio n. 2
0
/*
 * Get queries for metrics which matches to the key pattern (e.g.: status.*)
 *
 * [
 *  {"target": "status.200", "datapoints": [[1720.0, 1370846820], ...], },
 *  {"target": "status.204", "datapoints": [[1.0, 1370846820], ..., ]}
 * ]
 */
func Get(key string, from int64, to int64, maxDataPoints int) (ms []*Metrics) {
	var js []byte
	var data []map[string]interface{}

	if client, err := db.Client(); err != nil {
		glog.Errorln(err)
	} else {
		defer db.Release(client)

		if js, err = client.Cmd("EVALSHA", getSha, 1, key, from, to).Bytes(); err != nil {
			glog.Warningln(err)
			if js, err = client.Cmd("EVAL", config.Cfg.Metrics.GetScript, 1, key, from, to).Bytes(); err != nil {
				glog.Errorln(err)
			}
		}

		if err = json.Unmarshal(js, &data); err != nil {
			glog.Errorln(err)
		}
	}

	for _, d := range data {
		m := new(Metrics)
		m.Key = key
		if target, ok := d["target"].(string); ok {
			m.Target = target
		}

		datapoints, ok := d["datapoints"].([]interface{})
		if !ok {
			datapoints = make([]interface{}, 0)
		}

		if config.Cfg.Metrics.ConsolidationStep < 1 || len(config.Cfg.Metrics.ConsolidationFunc) < 1 {
			for _, dp := range datapoints {
				if pt := makePt(dp); pt[1] != nil {
					m.Datapoints = append(m.Datapoints, pt)
				}
			}
		} else {
			step := consolidationStep(from, to, config.Cfg.Metrics.ConsolidationStep, maxDataPoints)
			m.Datapoints = consolidateBy(datapoints, from, to, step, config.Cfg.Metrics.ConsolidationFunc)
		}
		ms = append(ms, m)
	}
	return
}
Esempio n. 3
0
func Add(key string, value string, timestamp int64) {
	if client, err := db.Client(); err != nil {
		glog.Errorln(err)
	} else {
		defer db.Release(client)

		if r := client.Cmd("EVALSHA", addSha, 1, key, value, timestamp); r.Err != nil {
			glog.Warningln(r.Err)

			if r = client.Cmd("EVAL", config.Cfg.Metrics.AddScript, 1, key, value, timestamp); r.Err != nil {
				glog.Errorln(r.Err)
			}
		} else {
			glog.Infof("[OK: %v]\t(%s %s)|%d", r, key, value, timestamp)
		}
	}
}
Esempio n. 4
0
func Ttl(from int64, to int64) {
	if client, err := db.Client(); err != nil {
		glog.Errorln(err)
	} else {
		t0 := time.Now()
		defer db.Release(client)

		if r := client.Cmd("EVALSHA", ttlSha, 1, "*", from, to); r.Err != nil {
			glog.Warningln(r.Err)

			if r = client.Cmd("EVAL", config.Cfg.Metrics.TtlScript, 1, "*", from, to); r.Err != nil {
				glog.Errorln(r.Err)
			}
		} else {
			t1 := time.Now()
			glog.Infof("ZREMRANGEBYSCORE(%d, %d): %v in %v", from, to, r, t1.Sub(t0))
		}
	}
}
Esempio n. 5
0
File: metrics.go Progetto: porjo/yag
// Get queries for metrics which matches to the key pattern
func Get(key string, from int64, to int64, limit int) []*Metrics {
	var m []map[string]interface{}

	if client, err := db.Client(); err != nil {
		log.Println(err)
	} else {
		defer db.Release(client)

		if data, err := client.Cmd("EVALSHA", getSha, 1, key, from, to, limit).Str(); err != nil {
			log.Println(err)

			if data, err = client.Cmd("EVAL", config.Cfg.Metrics.GetScript, 1, key, from, to, limit).Str(); err != nil {
				log.Println(err)
			}
		} else {
			json.Unmarshal([]byte(data), &m)
		}
	}

	return newMetrics(key, m)
}