func NewDatasource(root string) *configDrive {
variablesMap, err := bashParser.UseShlex(root + "context.sh")
if err != nil {
log.Printf("Error during parsing script file.\n")
}
return &configDrive{root, ioutil.ReadFile, variablesMap, err}
}
func NewVariablesMap(fileName string) (map[string]string, error) {
variablesMap, err := bashParser.UseShlex(fileName)
if err != nil {
log.Printf("Error during parsing script file.")
return nil, err
}
return variablesMap, nil
}
func fetchVariableFromShellScript(fileName string, variableName string) (string, error) {
variablesMap, err := bashParser.UseShlex(fileName)
if err != nil {
return "", err
}
ret := variablesMap[variableName]
// checking and decoding base64
if variableName == "USER_DATA" && variablesMap["USERDATA_ENCODING"] == "base64" {
var err error
ret, err = decodeBase64(ret)
if err != nil {
return "", err
}
}
return ret, nil
}