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db.go
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db.go
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package bootstrap
import (
"context"
"database/sql"
"fmt"
"strings"
"time"
log "github.com/sirupsen/logrus"
"github.com/synctv-org/synctv/cmd/flags"
"github.com/synctv-org/synctv/internal/conf"
"github.com/synctv-org/synctv/internal/db"
sysnotify "github.com/synctv-org/synctv/internal/sysNotify"
"github.com/synctv-org/synctv/internal/version"
"github.com/synctv-org/synctv/utils"
"gorm.io/driver/mysql"
"gorm.io/driver/postgres"
"gorm.io/gorm"
"gorm.io/gorm/logger"
)
func InitDatabase(ctx context.Context) (err error) {
dialector, err := createDialector(conf.Conf.Database)
if err != nil {
log.Fatalf("failed to create dialector: %s", err.Error())
}
var opts []gorm.Option
opts = append(opts, &gorm.Config{
TranslateError: true,
Logger: newDBLogger(),
PrepareStmt: true,
DisableForeignKeyConstraintWhenMigrating: false,
IgnoreRelationshipsWhenMigrating: false,
})
d, err := gorm.Open(dialector, opts...)
if err != nil {
log.Fatalf("failed to connect database: %s", err.Error())
}
sqlDB, err := d.DB()
if err != nil {
log.Fatalf("failed to get sqlDB: %s", err.Error())
}
err = sysnotify.RegisterSysNotifyTask(0, sysnotify.NewSysNotifyTask("database", sysnotify.NotifyTypeEXIT, func() error {
return sqlDB.Close()
}))
if err != nil {
log.Fatalf("failed to register sysnotify task: %s", err.Error())
}
if conf.Conf.Database.Type != conf.DatabaseTypeSqlite3 {
initRawDB(sqlDB)
}
return db.Init(d, conf.Conf.Database.Type)
}
func createDialector(dbConf conf.DatabaseConfig) (dialector gorm.Dialector, err error) {
var dsn string
switch dbConf.Type {
case conf.DatabaseTypeMysql:
if dbConf.CustomDSN != "" {
dsn = dbConf.CustomDSN
} else if dbConf.Port == 0 {
dsn = fmt.Sprintf("%s:%s@unix(%s)/%s?charset=utf8mb4&parseTime=True&loc=Local&interpolateParams=true&tls=%s",
dbConf.User,
dbConf.Password,
dbConf.Host,
dbConf.Name,
dbConf.SslMode,
)
log.Infof("mysql database: %s", dbConf.Host)
} else {
dsn = fmt.Sprintf("%s:%s@tcp(%s:%d)/%s?charset=utf8mb4&parseTime=True&loc=Local&interpolateParams=true&tls=%s",
dbConf.User,
dbConf.Password,
dbConf.Host,
dbConf.Port,
dbConf.Name,
dbConf.SslMode,
)
log.Infof("mysql database tcp: %s:%d", dbConf.Host, dbConf.Port)
}
dialector = mysql.New(mysql.Config{
DSN: dsn,
DefaultStringSize: 256,
DisableDatetimePrecision: true,
DontSupportRenameIndex: true,
DontSupportRenameColumn: true,
SkipInitializeWithVersion: false,
})
case conf.DatabaseTypeSqlite3:
if dbConf.CustomDSN != "" {
dsn = dbConf.CustomDSN
} else if dbConf.Name == "memory" || strings.HasPrefix(dbConf.Name, ":memory:") {
dsn = "file::memory:?cache=shared&_journal_mode=WAL&_vacuum=incremental&_pragma=foreign_keys(1)"
log.Infof("sqlite3 database memory")
} else {
if !strings.HasSuffix(dbConf.Name, ".db") {
dbConf.Name = dbConf.Name + ".db"
}
dbConf.Name, err = utils.OptFilePath(dbConf.Name)
if err != nil {
log.Fatalf("sqlite3 database file path error: %v", err)
}
dsn = fmt.Sprintf("%s?_journal_mode=WAL&_vacuum=incremental&_pragma=foreign_keys(1)", dbConf.Name)
log.Infof("sqlite3 database file: %s", dbConf.Name)
}
dialector = openSqlite(dsn)
case conf.DatabaseTypePostgres:
if dbConf.CustomDSN != "" {
dsn = dbConf.CustomDSN
} else if dbConf.Port == 0 {
dsn = fmt.Sprintf("host=%s user=%s password=%s dbname=%s sslmode=%s",
dbConf.Host,
dbConf.User,
dbConf.Password,
dbConf.Name,
dbConf.SslMode,
)
log.Infof("postgres database: %s", dbConf.Host)
} else {
dsn = fmt.Sprintf("host=%s port=%d user=%s password=%s dbname=%s sslmode=%s",
dbConf.Host,
dbConf.Port,
dbConf.User,
dbConf.Password,
dbConf.Name,
dbConf.SslMode,
)
log.Infof("postgres database tcp: %s:%d", dbConf.Host, dbConf.Port)
}
dialector = postgres.New(postgres.Config{
DSN: dsn,
PreferSimpleProtocol: true,
})
default:
log.Fatalf("unknown database type: %s", dbConf.Type)
}
return
}
func newDBLogger() logger.Interface {
var logLevel logger.LogLevel
if flags.Global.Dev {
logLevel = logger.Info
} else {
logLevel = logger.Warn
}
return logger.New(
log.StandardLogger(),
logger.Config{
SlowThreshold: time.Second,
LogLevel: logLevel,
IgnoreRecordNotFoundError: true,
ParameterizedQueries: !flags.Global.Dev && version.Version != "dev",
Colorful: utils.ForceColor(),
},
)
}
func initRawDB(db *sql.DB) {
db.SetMaxOpenConns(conf.Conf.Database.MaxOpenConns)
db.SetMaxIdleConns(conf.Conf.Database.MaxIdleConns)
d, err := time.ParseDuration(conf.Conf.Database.ConnMaxLifetime)
if err != nil {
log.Fatalf("failed to parse conn_max_lifetime: %s", err.Error())
}
db.SetConnMaxLifetime(d)
d, err = time.ParseDuration(conf.Conf.Database.ConnMaxIdleTime)
if err != nil {
log.Fatalf("failed to parse conn_max_idle_time: %s", err.Error())
}
db.SetConnMaxIdleTime(d)
}