mirror of https://github.com/fatedier/frp.git
78 lines
1.5 KiB
Go
78 lines
1.5 KiB
Go
// Copyright 2020 The frp Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package config
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import (
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"bytes"
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"io/ioutil"
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"os"
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"strings"
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"text/template"
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)
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var (
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glbEnvs map[string]string
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)
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func init() {
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glbEnvs = make(map[string]string)
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envs := os.Environ()
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for _, env := range envs {
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kv := strings.Split(env, "=")
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if len(kv) != 2 {
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continue
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}
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glbEnvs[kv[0]] = kv[1]
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}
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}
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type Values struct {
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Envs map[string]string // environment vars
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}
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func GetValues() *Values {
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return &Values{
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Envs: glbEnvs,
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}
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}
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func RenderContent(in []byte) (out []byte, err error) {
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tmpl, errRet := template.New("frp").Parse(string(in))
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if errRet != nil {
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err = errRet
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return
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}
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buffer := bytes.NewBufferString("")
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v := GetValues()
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err = tmpl.Execute(buffer, v)
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if err != nil {
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return
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}
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out = buffer.Bytes()
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return
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}
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func GetRenderedConfFromFile(path string) (out []byte, err error) {
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var b []byte
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b, err = ioutil.ReadFile(path)
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if err != nil {
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return
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}
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out, err = RenderContent(b)
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return
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}
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