func InsureNewVersionFiles(da *model.DesiredAgent) error {
if FilesReady(da) {
return nil
}
downloadTarballCmd := exec.Command("wget", "-q", da.TarballUrl, "-O", da.TarballFilename)
downloadTarballCmd.Dir = da.AgentVersionDir
err := downloadTarballCmd.Run()
if err != nil {
log.Println("wget -q", da.TarballUrl, "-O", da.TarballFilename, "fail", err)
return err
}
downloadMd5Cmd := exec.Command("wget", "-q", da.Md5Url, "-O", da.Md5Filename)
downloadMd5Cmd.Dir = da.AgentVersionDir
err = downloadMd5Cmd.Run()
if err != nil {
log.Println("wget -q", da.Md5Url, "-O", da.Md5Filename, "fail", err)
return err
}
if utils.Md5sumCheck(da.AgentVersionDir, da.Md5Filename) {
return nil
} else {
return fmt.Errorf("md5sum -c fail")
}
}
func FilesReady(da *model.DesiredAgent) bool {
if !file.IsExist(da.Md5Filepath) {
return false
}
if !file.IsExist(da.TarballFilepath) {
return false
}
if !file.IsExist(da.ControlFilepath) {
return false
}
return utils.Md5sumCheck(da.AgentVersionDir, da.Md5Filename)
}