/
postgres.go
77 lines (66 loc) · 1.83 KB
/
postgres.go
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/*
* Copyright 2022 The Dragonfly Authors
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package database
import (
"fmt"
"gorm.io/driver/postgres"
"gorm.io/gorm"
"gorm.io/gorm/schema"
"moul.io/zapgorm2"
logger "d7y.io/dragonfly/v2/internal/dflog"
"d7y.io/dragonfly/v2/manager/config"
)
func newPostgres(cfg *config.Config) (*gorm.DB, error) {
postgresCfg := &cfg.Database.Postgres
// Format dsn string.
dsn := formatPostgresDSN(postgresCfg)
// Connect to postgres.
db, err := gorm.Open(postgres.New(postgres.Config{
DSN: dsn,
PreferSimpleProtocol: cfg.Database.Postgres.PreferSimpleProtocol,
}), &gorm.Config{
NamingStrategy: schema.NamingStrategy{
SingularTable: true,
},
DisableForeignKeyConstraintWhenMigrating: true,
Logger: zapgorm2.New(logger.CoreLogger.Desugar()),
})
if err != nil {
return nil, err
}
// Run migration.
if postgresCfg.Migrate {
if err := migrate(db); err != nil {
return nil, err
}
}
// Run seed.
if err := seed(db); err != nil {
return nil, err
}
return db, nil
}
func formatPostgresDSN(cfg *config.PostgresConfig) string {
return fmt.Sprintf("host=%v user=%v password=%v dbname=%v port=%v sslmode=%v TimeZone=%v",
cfg.Host,
cfg.User,
cfg.Password,
cfg.DBName,
cfg.Port,
cfg.SSLMode,
cfg.Timezone,
)
}