forked from LaconicNetwork/kompose
113 lines
2.6 KiB
Go
113 lines
2.6 KiB
Go
/*
|
|
Copyright 2016 Skippbox, Ltd 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
|
|
|
|
http://www.apache.org/licenses/LICENSE-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 OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package app
|
|
|
|
import (
|
|
"bytes"
|
|
"io/ioutil"
|
|
"os"
|
|
"strings"
|
|
"text/template"
|
|
|
|
"github.com/Sirupsen/logrus"
|
|
)
|
|
|
|
/* Ancilliary helper functions to interface with the commands interface */
|
|
|
|
/**
|
|
* Generate Helm Chart configuration
|
|
*/
|
|
func generateHelm(filename string, svcname string) error {
|
|
type ChartDetails struct {
|
|
Name string
|
|
}
|
|
|
|
dirName := strings.Replace(filename, ".yml", "", 1)
|
|
details := ChartDetails{dirName}
|
|
manifestDir := dirName + string(os.PathSeparator) + "templates"
|
|
dir, err := os.Open(dirName)
|
|
|
|
/* Setup the initial directories/files */
|
|
if err == nil {
|
|
_ = dir.Close()
|
|
}
|
|
|
|
if err != nil {
|
|
err = os.Mkdir(dirName, 0755)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
err = os.Mkdir(manifestDir, 0755)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
/* Create the readme file */
|
|
readme := "This chart was created by Kompose\n"
|
|
err = ioutil.WriteFile(dirName+string(os.PathSeparator)+"README.md", []byte(readme), 0644)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
/* Create the Chart.yaml file */
|
|
chart := `name: {{.Name}}
|
|
description: A generated Helm Chart for {{.Name}} from Skippbox Kompose
|
|
version: 0.0.1
|
|
keywords:
|
|
- {{.Name}}
|
|
sources:
|
|
home:
|
|
`
|
|
|
|
t, err := template.New("ChartTmpl").Parse(chart)
|
|
if err != nil {
|
|
logrus.Fatalf("Failed to generate Chart.yaml template: %s\n", err)
|
|
}
|
|
var chartData bytes.Buffer
|
|
_ = t.Execute(&chartData, details)
|
|
|
|
err = ioutil.WriteFile(dirName+string(os.PathSeparator)+"Chart.yaml", chartData.Bytes(), 0644)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
/* Copy all yaml files into the newly created manifests directory */
|
|
infile, err := ioutil.ReadFile(svcname + "-rc.json")
|
|
if err != nil {
|
|
logrus.Infof("Error reading %s: %s\n", svcname+"-rc.yaml", err)
|
|
return err
|
|
}
|
|
|
|
err = ioutil.WriteFile(manifestDir+string(os.PathSeparator)+svcname+"-rc.json", infile, 0644)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
/* The svc file is optional */
|
|
infile, err = ioutil.ReadFile(svcname + "-svc.json")
|
|
if err == nil {
|
|
err = ioutil.WriteFile(manifestDir+string(os.PathSeparator)+svcname+"-svc.json", infile, 0644)
|
|
if err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|