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go-zero/core/conf/config.go

42 lines
976 B
Go

package conf
import (
"fmt"
"io/ioutil"
"log"
"os"
"path"
"github.com/tal-tech/go-zero/core/mapping"
)
var loaders = map[string]func([]byte, interface{}) error{
".json": LoadConfigFromJsonBytes,
".yaml": LoadConfigFromYamlBytes,
".yml": LoadConfigFromYamlBytes,
}
func LoadConfig(file string, v interface{}) error {
if content, err := ioutil.ReadFile(file); err != nil {
return err
} else if loader, ok := loaders[path.Ext(file)]; ok {
return loader([]byte(os.ExpandEnv(string(content))), v)
} else {
return fmt.Errorf("unrecoginized file type: %s", file)
}
}
func LoadConfigFromJsonBytes(content []byte, v interface{}) error {
return mapping.UnmarshalJsonBytes(content, v)
}
func LoadConfigFromYamlBytes(content []byte, v interface{}) error {
return mapping.UnmarshalYamlBytes(content, v)
}
func MustLoad(path string, v interface{}) {
if err := LoadConfig(path, v); err != nil {
log.Fatalf("error: config file %s, %s", path, err.Error())
}
}