/
client.go
52 lines (43 loc) · 1.42 KB
/
client.go
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package dbclient
import (
"fmt"
"github.com/kelseyhightower/envconfig"
"gorm.io/driver/postgres"
"gorm.io/gorm"
)
const (
DSNTemplate = "user=%s password=%s dbname=%s host=%s port=%s sslmode=%s"
)
type Config struct {
DBAddr string `envconfig:"DB_ADDRESS" required:"true"`
DBPort string `envconfig:"DB_Port" required:"true"`
ServiceUsername string `envconfig:"DB_SERVICE_USERNAME" required:"true"`
ServiceUserPassword string `envconfig:"DB_SERVICE_PASSWORD" required:"false"`
EntityName string `envconfig:"DB_ENTITY_NAME" required:"true"`
DBName string `envconfig:"DB_NAME" required:"true"`
MaxRetryCount int `envconfig:"MAX_RETRY_COUNT" default:"3"`
MaxConnectionCount int `envconfig:"MAX_CLUSTER_CONNECTION_COUNT" default:"5"`
SSLMode string `envconfig:"SSL_MODE" default:"disable"`
}
type Client struct {
Conf *Config
db *gorm.DB
}
func NewClient() (*Client, error) {
conf := &Config{}
if err := envconfig.Process("", conf); err != nil {
return nil, fmt.Errorf("cassandra config read faile, %v", err)
}
dsn := fmt.Sprintf(DSNTemplate, conf.ServiceUsername, conf.ServiceUserPassword, conf.DBName, conf.DBAddr, conf.DBPort, conf.SSLMode)
db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{})
if err != nil {
return nil, err
}
return &Client{
Conf: conf,
db: db,
}, nil
}
func (c *Client) GetDB() *gorm.DB {
return c.db
}