Files
lndhub.go/db/db.go
2023-02-22 17:45:34 +01:00

49 lines
1.5 KiB
Go

package db
import (
"database/sql"
"fmt"
"strings"
"time"
"github.com/getAlby/lndhub.go/lib/service"
"github.com/uptrace/bun"
"github.com/uptrace/bun/dialect/pgdialect"
"github.com/uptrace/bun/driver/pgdriver"
"github.com/uptrace/bun/extra/bundebug"
sqltrace "gopkg.in/DataDog/dd-trace-go.v1/contrib/database/sql"
)
func Open(config *service.Config) (*bun.DB, error) {
var db *bun.DB
dsn := config.DatabaseUri
switch {
case strings.HasPrefix(dsn, "postgres://") || strings.HasPrefix(dsn, "postgresql://") || strings.HasPrefix(dsn, "unix://"):
var dbConn *sql.DB
connector := pgdriver.NewConnector(pgdriver.WithDSN(dsn), pgdriver.WithTimeout(time.Duration(config.DatabaseTimeout)*time.Second))
//if Datadog is configured, send sql traces there
if config.DatadogAgentUrl != "" {
sqltrace.Register("postgres", pgdriver.Driver{}, sqltrace.WithServiceName("lndhub.go"))
dbConn = sqltrace.OpenDB(connector)
} else {
dbConn = sql.OpenDB(connector)
}
db = bun.NewDB(dbConn, pgdialect.New())
db.SetMaxOpenConns(config.DatabaseMaxConns)
db.SetMaxIdleConns(config.DatabaseMaxIdleConns)
db.SetConnMaxLifetime(time.Duration(config.DatabaseConnMaxLifetime) * time.Second)
default:
return nil, fmt.Errorf("Invalid database connection string %s, only (postgres|postgresql|unix):// is supported", dsn)
}
db.AddQueryHook(bundebug.NewQueryHook(
// disable the hook
bundebug.WithEnabled(false),
// BUNDEBUG=1 logs failed queries
// BUNDEBUG=2 logs all queries
bundebug.FromEnv("BUNDEBUG"),
))
return db, nil
}