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register.go
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register.go
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package internalstorage
import (
"database/sql"
"fmt"
"io"
"log"
"os"
"github.com/go-sql-driver/mysql"
"github.com/jackc/pgx/v4/stdlib"
"github.com/jinzhu/configor"
gmysql "gorm.io/driver/mysql"
gpostgres "gorm.io/driver/postgres"
"gorm.io/gorm"
"gorm.io/gorm/logger"
"github.com/clusterpedia-io/clusterpedia/pkg/storage"
)
func init() {
storage.RegisterStorageFactoryFunc("internal", NewStorageFactory)
}
func NewStorageFactory(configPath string) (storage.StorageFactory, error) {
cfg := &Config{}
if err := configor.Load(cfg, configPath); err != nil {
return nil, err
}
var dialector gorm.Dialector
switch cfg.Type {
case "mysql":
mysqlConfig, err := cfg.genMySQLConfig()
if err != nil {
return nil, err
}
connector, err := mysql.NewConnector(mysqlConfig)
if err != nil {
return nil, err
}
dialector = gmysql.New(gmysql.Config{Conn: sql.OpenDB(connector)})
case "postgres":
pgconfig, err := cfg.genPostgresConfig()
if err != nil {
return nil, err
}
dialector = gpostgres.New(gpostgres.Config{Conn: stdlib.OpenDB(*pgconfig)})
default:
return nil, fmt.Errorf("not support storage type: %s", cfg.Type)
}
logger, err := newLogger(cfg)
if err != nil {
return nil, err
}
db, err := gorm.Open(dialector, &gorm.Config{Logger: logger})
if err != nil {
return nil, err
}
if err := db.AutoMigrate(&Resource{}); err != nil {
return nil, err
}
return &StorageFactory{db}, nil
}
func newLogger(cfg *Config) (logger.Interface, error) {
if cfg.Log == nil {
return logger.Discard, nil
}
loggerConfig, err := cfg.LoggerConfig()
if err != nil {
return nil, err
}
var logWriter io.Writer
if cfg.Log.Stdout {
logWriter = os.Stdout
} else {
if err := os.MkdirAll("/var/log/clusterpedia", 0644); err != nil {
return nil, fmt.Errorf("mkdir log dir error: %w", err)
}
logWriter, err = os.OpenFile("/var/log/clusterpedia/internalstorage.log", os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0644)
if err != nil {
return nil, fmt.Errorf("open storage log file error: %w", err)
}
}
return logger.New(log.New(logWriter, "", log.LstdFlags), loggerConfig), nil
}