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config_data.go
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/
config_data.go
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package database
import (
"crypto/md5"
"encoding/base64"
"github.com/garyburd/redigo/redis"
"bosun.org/collect"
"bosun.org/opentsdb"
"bosun.org/slog"
)
type ConfigDataAccess interface {
SaveTempConfig(text string) (hash string, err error)
GetTempConfig(hash string) (text string, err error)
}
func (d *dataAccess) Configs() ConfigDataAccess {
return d
}
const configLifetime = 60 * 24 * 14 // 2 weeks
func (d *dataAccess) SaveTempConfig(text string) (string, error) {
defer collect.StartTimer("redis", opentsdb.TagSet{"op": "SaveTempConfig"})()
conn := d.GetConnection()
defer conn.Close()
sig := md5.Sum([]byte(text))
b64 := base64.StdEncoding.EncodeToString(sig[0:8])
if d.isRedis {
_, err := conn.Do("SET", "tempConfig:"+b64, text, "EX", configLifetime)
return b64, slog.Wrap(err)
}
_, err := conn.Do("SETEX", "tempConfig:"+b64, configLifetime, text)
return b64, slog.Wrap(err)
}
func (d *dataAccess) GetTempConfig(hash string) (string, error) {
defer collect.StartTimer("redis", opentsdb.TagSet{"op": "GetTempConfig"})()
conn := d.GetConnection()
defer conn.Close()
key := "tempConfig:" + hash
dat, err := redis.String(conn.Do("GET", key))
if err != nil {
return "", slog.Wrap(err)
}
_, err = conn.Do("EXPIRE", key, configLifetime)
return dat, slog.Wrap(err)
}