示例#1
0
func newPool(server, password string, database int, isRedis bool, maxActive int, wait bool) *redis.Pool {
	return &redis.Pool{
		MaxIdle:     50,
		MaxActive:   maxActive,
		Wait:        wait,
		IdleTimeout: 240 * time.Second,
		Dial: func() (redis.Conn, error) {
			c, err := redis.Dial("tcp", server, redis.DialDatabase(database))
			if err != nil {
				return nil, err
			}
			if password != "" {
				if _, err := c.Do("AUTH", password); err != nil {
					c.Close()
					return nil, err
				}
			}
			if isRedis {
				if _, err := c.Do("CLIENT", "SETNAME", "bosun"); err != nil {
					c.Close()
					return nil, err
				}
			}
			return c, err
		},
	}
}
示例#2
0
func newPool(server, password string, database int, isRedis bool) *redis.Pool {
	return &redis.Pool{
		MaxIdle:     3,
		IdleTimeout: 240 * time.Second,
		Dial: func() (redis.Conn, error) {
			c, err := redis.Dial("tcp", server, redis.DialDatabase(database))
			if err != nil {
				return nil, err
			}
			if password != "" {
				if _, err := c.Do("AUTH", password); err != nil {
					c.Close()
					return nil, err
				}
			}
			if isRedis {
				if _, err := c.Do("CLIENT", "SETNAME", "bosun"); err != nil {
					c.Close()
					return nil, err
				}
			}
			return c, err
		},
		TestOnBorrow: func(c redis.Conn, t time.Time) error {
			defer collect.StartTimer("redis", opentsdb.TagSet{"op": "Ping"})()
			_, err := c.Do("PING")
			return err
		},
	}
}
示例#3
0
func c_redis_counters(server string, db int) (opentsdb.MultiDataPoint, error) {
	var md opentsdb.MultiDataPoint
	conn, err := redis.Dial("tcp", server, redis.DialDatabase(db))
	if err != nil {
		return md, err
	}
	defer conn.Close()
	if _, err := conn.Do("CLIENT", "SETNAME", "scollector"); err != nil {
		return md, err
	}
	cursor := 0
	for {
		vals, err := redis.Values(conn.Do("HSCAN", collect.RedisCountersKey, cursor))
		if err != nil {
			return md, err
		}
		if len(vals) != 2 {
			return md, fmt.Errorf("Unexpected number of values")
		}
		cursor, err = redis.Int(vals[0], nil)
		if err != nil {
			return md, err
		}
		pairs, err := redis.StringMap(vals[1], nil)
		if err != nil {
			return md, err
		}
		for mts, val := range pairs {
			parts := strings.Split(mts, ":")
			if len(parts) != 2 {
				slog.Errorf("Invalid metric tag set counter: %s", mts)
				continue
			}
			metric := parts[0]
			tags, err := opentsdb.ParseTags(parts[1])
			if err != nil {
				slog.Errorf("Invalid tags: %s", parts[1])
				continue
			}
			v, err := strconv.Atoi(val)
			if err != nil {
				slog.Errorf("Invalid counter value: %s", val)
				continue
			}
			Add(&md, metric, v, tags, metadata.Counter, metadata.Count, "")
		}
		if cursor == 0 {
			break
		}
	}
	return md, nil
}
示例#4
0
func newRedisPool(server string, database int) *redis.Pool {
	return &redis.Pool{
		MaxIdle:     10,
		MaxActive:   10,
		Wait:        true,
		IdleTimeout: 240 * time.Second,
		Dial: func() (redis.Conn, error) {
			c, err := redis.Dial("tcp", server, redis.DialDatabase(database))
			if err != nil {
				return nil, err
			}
			if _, err := c.Do("CLIENT", "SETNAME", metricRoot+"_counters"); err != nil {
				c.Close()
				return nil, err
			}
			return c, err
		},
	}
}