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redis_mgr.go
47 lines (37 loc) · 819 Bytes
/
redis_mgr.go
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package redisMgr
import (
"github.com/laconiz/eros/database/consul"
"github.com/laconiz/eros/database/consul/consulor"
"github.com/laconiz/eros/database/redis"
"github.com/laconiz/eros/oceanus/example/model"
"sync"
)
const (
prefix = "database/redis/"
defaults = "default"
)
var (
conn *redis.Redis
mutex sync.Mutex
)
func Connect(name string) (*redis.Redis, error) {
mutex.Lock()
defer mutex.Unlock()
option := &redis.Option{}
err := consulor.KV().Load(model.OptionPrefix+prefix+name, option)
if err == nil {
return redis.New(option)
}
if err != consul.ErrNotFound {
return nil, err
}
if conn != nil {
return conn, nil
}
err = consulor.KV().Load(model.OptionPrefix+prefix+defaults, option)
if err != nil {
return nil, err
}
conn, err = redis.New(option)
return conn, err
}