homework-jianmu/importSampleData/import/import_config.go

67 lines
1.2 KiB
Go

package dataimport
import (
"encoding/json"
"fmt"
"path/filepath"
"sync"
"github.com/pelletier/go-toml"
)
var (
cfg Config
once sync.Once
)
// Config inclue all scene import config
type Config struct {
UserCases map[string]CaseConfig
}
// CaseConfig include the sample data config and tdengine config
type CaseConfig struct {
Format string
FilePath string
Separator string
Stname string
SubTableName string
Timestamp string
TimestampType string
TimestampTypeFormat string
Tags []FieldInfo
Fields []FieldInfo
}
// FieldInfo is field or tag info
type FieldInfo struct {
Name string
Type string
}
// LoadConfig will load the specified file config
func LoadConfig(filePath string) Config {
once.Do(func() {
filePath, err := filepath.Abs(filePath)
if err != nil {
panic(err)
}
fmt.Printf("parse toml file once. filePath: %s\n", filePath)
tree, err := toml.LoadFile(filePath)
if err != nil {
panic(err)
}
bytes, err := json.Marshal(tree.ToMap())
if err != nil {
panic(err)
}
err = json.Unmarshal(bytes, &cfg.UserCases)
if err != nil {
panic(err)
}
})
return cfg
}