forked from openpitrix/openpitrix
/
devkit.go
55 lines (46 loc) · 1.37 KB
/
devkit.go
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// Copyright 2018 The OpenPitrix Authors. All rights reserved.
// Use of this source code is governed by a Apache license
// that can be found in the LICENSE file.
package devkit
import (
"fmt"
"io/ioutil"
"os"
"path/filepath"
"openpitrix.io/openpitrix/pkg/devkit/app"
)
const (
ApiVersionV1 = "v1"
PackageJson = "package.json"
ClusterJsonTmpl = "cluster.json.tmpl"
ConfigJson = "config.json"
)
// IsAppDir validate a app directory.
//
// Checks for a valid package.json.
func IsAppDir(dirName string) (bool, error) {
if fi, err := os.Stat(dirName); err != nil {
return false, err
} else if !fi.IsDir() {
return false, fmt.Errorf("[%s] is not a directory", dirName)
}
packageJson := filepath.Join(dirName, PackageJson)
if _, err := os.Stat(packageJson); os.IsNotExist(err) {
return false, fmt.Errorf("no %s exists in directory [%s]", PackageJson, dirName)
}
packageJsonContent, err := ioutil.ReadFile(packageJson)
if err != nil {
return false, fmt.Errorf("cannot read %s in directory [%s]", PackageJson, dirName)
}
packageContent, err := app.DecodePackageJson(packageJsonContent)
if err != nil {
return false, err
}
if packageContent == nil {
return false, fmt.Errorf("app metadata [%s] missing", PackageJson)
}
if packageContent.Name == "" {
return false, fmt.Errorf("invalid app [%s]: name must not be empty", PackageJson)
}
return true, nil
}