package utils import ( "database/sql" "fmt" "time" "github.com/go-redis/redis" _ "github.com/go-sql-driver/mysql" "github.com/sirupsen/logrus" ) var DB *sql.DB func SqlDatabase(conf *Conf) { logrus.WithFields(logrus.Fields{"database": conf.Database.Db}).Infof("SQL : Connection to DB") //db conn db, err := sql.Open("mysql", fmt.Sprintf("%s:%s@tcp(%s:%s)/%s", conf.Database.Username, conf.Database.Password, conf.Database.Ip, conf.Database.Port, conf.Database.Db)) CheckErr(err) DB = db // if there is an error opening the connection, handle it CheckErr(err) } func SqlTest() { results, err := DB.Query("SELECT name, content FROM records") CheckErr(err) for results.Next() { var record Record err = results.Scan(&record.Fqdn, &record.Content) CheckErr(err) logrus.Debugf(record.Content) } } func sqlCheckForRecord(redisKey string, dKey string, entry Record) (Record, int) { dbg := DB.QueryRow( "SELECT id, content, ttl FROM records WHERE `name` = ? AND `type` = ?;", dKey, entry.Qtype).Scan( &entry.Id, &entry.Content, &entry.TTL, ) //logrus.WithFields(logrus.Fields{"name": dKey, "type": entry.Qtype}).Debugf("SQL : ") if dbg != nil { logrus.Debugf("SQL : %v", dbg) } logrus.Debugf("SQL : %s => %s", entry.Fqdn, entry.Content) if entry.Content != "" { //Cache the request in Redis if any result logrus.Debugf("REDIS : Set entry for %s", redisKey) _ = redisSet(redisDb, redisKey, 30*time.Second, entry) return entry, 0 } else { //Else return nil return entry, 1 } } func sqlCheckForReverse6Wildcard(redisKey string, dKey string, entry Record) (Record, error) { returnedEntry := entry results, err := DB.Query("SELECT id, content, name FROM records WHERE name LIKE '*%.ip6.arpa.';") DbgErr(err) for results.Next() { err = results.Scan(&returnedEntry.Id, &returnedEntry.Content, &returnedEntry.Fqdn) CheckErr(err) if checkReverse6(entry, returnedEntry) { logrus.Debug("REVERSE : Correct wildcard reverse.") //Cache the request in Redis if any result _ = redisSet(redisDb, redisKey, 10*time.Second, returnedEntry) return returnedEntry, err } else { logrus.Debug("REVERSE : WRONG wildcard reverse .") } } return entry, redis.Nil }