/
values.go
116 lines (106 loc) · 3.03 KB
/
values.go
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/*
* Tencent is pleased to support the open source community by making TKEStack
* available.
*
* Copyright (C) 2012-2019 Tencent. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use
* this file except in compliance with the License. You may obtain a copy of the
* License at
*
* https://opensource.org/licenses/Apache-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
package util
import (
"encoding/base64"
"encoding/json"
"fmt"
"strings"
"github.com/pkg/errors"
"helm.sh/helm/v3/pkg/strvals"
"sigs.k8s.io/yaml"
)
// MergeValues merges values from values and rawValues
// values: can specify multiple or separate values: key1=val1,key2=val2
// rawValues: json format or yaml format
func MergeValues(values []string, rawValues string, vType string) (map[string]interface{}, error) {
// try decode first, maybe encoded data
bs, err := DecodeValue(rawValues)
if err == nil {
rawValues = bs
}
base := map[string]interface{}{}
if len(rawValues) > 0 {
switch strings.ToLower(vType) {
case "yaml", "":
if base, err = parseYAMLValue(rawValues); err != nil {
return nil, err
}
case "json":
if base, err = parseJSONValue(rawValues); err != nil {
return nil, err
}
default:
return nil, errors.New(fmt.Sprintf("unsupport value type: %s", vType))
}
}
if len(values) > 0 {
for _, value := range values {
if err := strvals.ParseInto(value, base); err != nil {
return nil, errors.Wrap(err, "failed parsing value data")
}
}
}
return base, err
}
func parseYAMLValue(values string) (map[string]interface{}, error) {
// rv := fmt.Sprintf("%q", values)
base := map[string]interface{}{}
if err := yaml.Unmarshal([]byte(values), &base); err != nil {
return nil, errors.Wrap(err, "failed to parse yaml value")
}
return base, nil
}
func parseJSONValue(values string) (map[string]interface{}, error) {
// rv := fmt.Sprintf("%q", values)
base := map[string]interface{}{}
if err := json.Unmarshal([]byte(values), &base); err != nil {
return nil, errors.Wrap(err, "failed to parse json value")
}
return base, nil
}
// DecodeValue will use base64 decoding
func DecodeValue(value string) (string, error) {
if len(value) > 0 {
bs, err := base64.StdEncoding.DecodeString(value)
if err != nil {
return "", err
}
return string(bs), nil
}
return "", nil
}
// EncodeValue will use base64 encoding
func EncodeValue(value string) string {
if len(value) > 0 {
return base64.StdEncoding.EncodeToString([]byte(value))
}
return value
}
// SafeEncodeValue will use base64 encoding
func SafeEncodeValue(value string) string {
if len(value) > 0 {
_, err := DecodeValue(value)
if err == nil {
//already encode
return value
}
return base64.StdEncoding.EncodeToString([]byte(value))
}
return value
}