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config.go
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config.go
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package internal
import (
"context"
"os"
"path/filepath"
"strings"
"time"
"github.com/spf13/cast"
"github.com/spf13/viper"
)
const (
paramEnvKey = "APP_ENV"
paramFmt = "yaml"
paramLocal = "local.yaml"
keyLogLevel = "env.log_level"
keyEnvID = "app.env.id"
keyServiceName = "env.service.name"
)
// LoadConfig ...
func LoadConfig(ctx context.Context) error {
fPath := filepath.Join(".cfg", "k8s")
fName := os.Getenv(paramEnvKey)
if fName == "" {
fName = paramLocal
}
viper.AddConfigPath(fPath)
viper.SetConfigName(fName)
viper.SetConfigType(paramFmt)
viper.SetEnvKeyReplacer(strings.NewReplacer(".", "_"))
viper.AllowEmptyEnv(true)
viper.AutomaticEnv()
err := viper.ReadInConfig()
if err != nil {
return err
}
return nil
}
// Values ...
func Values() map[string]any {
out := map[string]any{}
for _, k := range viper.AllKeys() {
out[k] = viper.GetString(k)
}
return out
}
// Value ...
type Value struct {
value any
}
// String ...
func (v Value) String() string {
return cast.ToString(v.value)
}
// StringSlice ...
func (v Value) StringSlice() []string {
return cast.ToStringSlice(v.value)
}
// IntSlice ...
func (v Value) IntSlice() []int {
return cast.ToIntSlice(v.value)
}
// Bool ...
func (v Value) Bool() bool {
return cast.ToBool(v.value)
}
// Int ...
func (v Value) Int() int {
return cast.ToInt(v.value)
}
// Int32 ...
func (v Value) Int32() int32 {
return cast.ToInt32(v.value)
}
// Uint32 ...
func (v Value) Uint32() uint32 {
return cast.ToUint32(v.value)
}
// Int64 ...
func (v Value) Int64() int64 {
return cast.ToInt64(v.value)
}
// Uint64 ...
func (v Value) Uint64() uint64 {
return cast.ToUint64(v.value)
}
// Float64 ...
func (v Value) Float64() float64 {
return cast.ToFloat64(v.value)
}
// Duration ...
func (v Value) Duration() time.Duration {
return cast.ToDuration(v.value)
}
// ConfigValue ...
func ConfigValue(key string) Value {
return Value{viper.Get(key)}
}
// IsConfigSet ...
func IsConfigSet(key string) bool {
return viper.IsSet(key)
}
// LogLevel ...
func LogLevel() string {
return viper.GetString(keyLogLevel)
}
// EnvID ...
func EnvID() string {
return viper.GetString(keyEnvID)
}
// ServiceName ...
func ServiceName() string {
return viper.GetString(keyServiceName)
}