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
},
}
}
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
},
}
}
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
}
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
},
}
}