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utils.go
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/
utils.go
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package main
import (
"errors"
"io/ioutil"
"net/http"
"net/url"
"os"
"path/filepath"
"strings"
"gopkg.in/yaml.v2"
)
func getBytesForFileOrURL(path string) ([]byte, error) {
u, err := url.ParseRequestURI(path)
if err == nil && u.Scheme != "" {
return getBytesFromURL(path)
}
ext := filepath.Ext(path)
if strings.TrimSpace(ext) == "" || ext != "yaml" {
return nil, errors.New("unsupported file type, supports only yaml as of now")
}
if _, err := os.Stat(path); err != nil {
return nil, err
}
return ioutil.ReadFile(path)
}
func getBytesFromURL(uri string) ([]byte, error) {
resp, err := http.Get(uri)
if err != nil {
return nil, err
}
defer resp.Body.Close()
return ioutil.ReadAll(resp.Body)
}
func decodeConfig(in []byte) (*AngaGoConf, error) {
var config AngaGoConf
if err := yaml.Unmarshal(in, &config); err != nil {
return nil, err
}
// TODO: validate other basic configs
if _, ok := validResurcesMap[strings.ToLower(config.Kind)]; !ok {
return nil, errors.New("invalid resource type")
}
return &config, nil
}