[ Agent ] [ APP ] - refresh app procedure

agent-go/executor/BasicFunction.go

@@ -244,3 +244,57 @@ func BasicConvertBufferToSlice(outputBuffer bytes.Buffer) (resultLog []string) {
 	return split
 
 }
+
+// BasicDownloadFile 从目标地址下载文件到目的地，并检测文件是否下载成功
+func BasicDownloadFile(downloadUrl, desFile string) (downloadOk bool, resultLog []string) {
+
+	// wget or curl download
+	var ok bool
+	if BasicCommandExists("wget") {
+
+		ok, resultLog = AllCommandExecutor([]string{
+			"wget",
+			"--no-check-certificate",
+			"--timeout=5",
+			downloadUrl,
+			"-qO",
+			desFile,
+		})
+
+	} else if BasicCommandExists("curl") {
+		ok, resultLog = AllCommandExecutor([]string{
+			"curl",
+			"-o",
+			desFile,
+			"--insecure",
+			"--max-time",
+			"5",
+			downloadUrl,
+		})
+
+	} else {
+		sprintf := fmt.Sprintf("[BasicDownloadFile] - neither wget or curl exists ! can't download file [ %s ] from [ %s ]", desFile, downloadUrl)
+		log.Error(sprintf)
+		return false, []string{
+			sprintf,
+		}
+	}
+
+	errLog := fmt.Sprintf("[BasicDownloadFile] - download file [ %s ] from [ %s ] failed !", desFile, downloadUrl)
+	if !ok {
+		log.Error(errLog)
+		return false, []string{
+			errLog,
+		}
+	}
+	// check file exists
+	existAndNotNull := BasicFileExistAndNotNull(desFile)
+	if !existAndNotNull {
+		return false, []string{
+			errLog,
+			"[BasicDownloadFile] - file not exist !",
+		}
+	}
+
+	return true, nil
+}