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package sqlutil
import (
"database/sql"
"fmt"
"regexp"
"github.com/matrix-org/dendrite/setup/config"
"github.com/sirupsen/logrus"
)
// Open opens a database specified by its database driver name and a driver-specific data source name,
// usually consisting of at least a database name and connection information. Includes tracing driver
// if DENDRITE_TRACE_SQL=1
func Open(dbProperties *config.DatabaseOptions, writer Writer) (*sql.DB, error) {
var err error
var driverName, dsn string
switch {
case dbProperties.ConnectionString.IsSQLite():
driverName = "sqlite3"
dsn, err = ParseFileURI(dbProperties.ConnectionString)
if err != nil {
return nil, fmt.Errorf("ParseFileURI: %w", err)
}
case dbProperties.ConnectionString.IsPostgres():
driverName = "postgres"
dsn = string(dbProperties.ConnectionString)
default:
return nil, fmt.Errorf("invalid database connection string %q", dbProperties.ConnectionString)
}
if tracingEnabled {
// install the wrapped driver
driverName += "-trace"
}
db, err := sql.Open(driverName, dsn)
if err != nil {
return nil, err
}
if driverName != "sqlite3" {
logrus.WithFields(logrus.Fields{
"MaxOpenConns": dbProperties.MaxOpenConns(),
"MaxIdleConns": dbProperties.MaxIdleConns(),
"ConnMaxLifetime": dbProperties.ConnMaxLifetime(),
"dataSourceName": regexp.MustCompile(`://[^@]*@`).ReplaceAllLiteralString(dsn, "://"),
}).Debug("Setting DB connection limits")
db.SetMaxOpenConns(dbProperties.MaxOpenConns())
db.SetMaxIdleConns(dbProperties.MaxIdleConns())
db.SetConnMaxLifetime(dbProperties.ConnMaxLifetime())
}
return db, nil
}
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