/
config.go
80 lines (68 loc) · 1.67 KB
/
config.go
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package orm
import (
"fmt"
"net/url"
"strings"
"github.com/pkg/errors"
"github.com/spf13/viper"
"go.uber.org/zap"
"gorm.io/gorm"
)
// Config
type Config struct {
Type string `json:"type" mapstructure:"type"`
// mysql://localhost:3306/dbname[?username=value1&password=value2¶mN=valueN]
Master string `json:"master" mapstructure:"master"`
Replicas []string `json:"replicas" mapstructure:"replicas"`
gorm.Config
dialector gorm.Dialector
}
// NewConfig
func NewConfig(v *viper.Viper, logger *zap.Logger) (*Config, error) {
var err error
o := new(Config)
if err = v.UnmarshalKey("gorm", o); err != nil {
return nil, errors.Wrap(err, "unmarshal gorm option error")
}
o.QueryFields = true
o.Logger = newLogger(logger)
if o.Replicas == nil || len(o.Replicas) == 0 {
o.Replicas = []string{
o.Master,
}
}
// parse dsn
o.Master, err = o.parseUrl(o.Master)
if err != nil {
return nil, errors.Wrap(err, "parse dsn error")
}
rdb := []string{}
for _, v := range o.Replicas {
u, err := o.parseUrl(v)
if err != nil {
return nil, errors.Wrap(err, "parse dsn error")
}
rdb = append(rdb, u)
}
o.Replicas = rdb
return o, nil
}
func (c *Config) parseUrl(dsn string) (string, error) {
if dsn == "" {
return "", fmt.Errorf("undefined wdb dsn")
}
u, err := url.Parse(dsn)
if err != nil {
return "", err
}
q := u.Query()
wdbUser := q.Get("username")
wdbPass := q.Get("password")
q.Del("username")
q.Del("password")
if c.Type == "" {
c.Type = u.Scheme
}
// [user[:password]@][net[(addr)]]/dbname[?param1=value1¶mN=valueN]
return fmt.Sprintf("%s:%s@tcp(%s)/%s?%s", wdbUser, wdbPass, u.Host, strings.TrimPrefix(u.Path, "/"), q.Encode()), nil
}