// New returns a new logger (that writes to the specified file) & the open file handle
// All log levels >= the specified level are written to the specified file.
// User is responsible for closing the returned file handle, unless an error is returned.
func New(level boshlog.LogLevel, filePath string, fileMode os.FileMode, fs boshsys.FileSystem) (boshlog.Logger, boshsys.File, error) {
file, err := fs.OpenFile(filePath, os.O_CREATE|os.O_WRONLY|os.O_APPEND, fileMode)
if err != nil {
return nil, file, bosherr.WrapErrorf(err, "Failed to open log file '%s'", filePath)
}
return boshlog.NewWriterLogger(level, file, file), file, nil
}