402 lines
22 KiB
JavaScript
402 lines
22 KiB
JavaScript
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exports.newMinioBlobBlobStorage = function newMinioBlobBlobStorage(BOT, logger) {
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let FULL_LOG = false;
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let ERROR_LOG = true;
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let LOG_FILE_CONTENT = false;
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let bot = BOT;
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const ROOT_DIR = './';
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const MODULE_NAME = "Minio Blob Storage";
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const SECOND_TRY_WAIT_TIME = 10000;
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let thisObject = {
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initialize: initialize,
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createFolder: createFolder,
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createTextFile: createTextFile,
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getTextFile: getTextFile
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};
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let containerName;
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let environment = global.CURRENT_ENVIRONMENT;
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let Minio = require('minio');
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let minioClient;
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return thisObject;
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function initialize(pDataOwner, callBackFunction, disableLogging) {
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try {
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minioClient = new Minio.Client({
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endPoint: process.env.MINIO_END_POINT,
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port: JSON.parse(process.env.MINIO_PORT),
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useSSL: JSON.parse(process.env.MINIO_USE_SSL),
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accessKey: process.env.MINIO_ACCESS_KEY,
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secretKey: process.env.MINIO_SECRET_KEY
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})
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containerName = pDataOwner.toLowerCase();
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if (pDataOwner.environment !== undefined) { // This is use for data migration from one environment to the other.
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environment = pDataOwner.environment;
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}
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if (FULL_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[INFO] initialize -> Entering function."); }
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if (FULL_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[INFO] initialize -> environment = " + environment); }
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if (FULL_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[INFO] initialize -> containerName = " + containerName); }
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callBackFunction(global.DEFAULT_OK_RESPONSE);
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}
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catch (err) {
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if (ERROR_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[ERROR] initialize -> err = " + err.message); }
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callBackFunction(global.DEFAULT_FAIL_RESPONSE);
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}
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}
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function createFolder(pFolderPath, callBackFunction) {
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if (FULL_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[INFO] createFolder -> Entering function."); }
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try {
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/* Folders do not need to be created when using blobs. */
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callBackFunction(global.DEFAULT_OK_RESPONSE);
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return;
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}
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catch (err) {
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if (ERROR_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[ERROR] createFolder -> err = " + err.message); }
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callBackFunction(global.DEFAULT_FAIL_RESPONSE);
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}
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}
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function createTextFile(pFolderPath, pFileName, pFileContent, callBackFunction) {
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try {
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if (FULL_LOG === true && logger !== undefined) {
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logger.write(MODULE_NAME, "[INFO] createTextFile -> About to create a text file.");
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logger.write(MODULE_NAME, "[INFO] createTextFile -> containerName = " + containerName);
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logger.write(MODULE_NAME, "[INFO] createTextFile -> pFolderPath = " + pFolderPath);
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logger.write(MODULE_NAME, "[INFO] createTextFile -> pFileName = " + pFileName);
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}
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minioClient.putObject(containerName, pFolderPath + "/" + pFileName, pFileContent, 'text/plain', onFileCreated)
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function onFileCreated(err, result, response) {
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try {
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if (FULL_LOG === true && logger !== undefined) {
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logger.write(MODULE_NAME, "[INFO] createTextFile -> onFileCreated -> Response from Minio received.");
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logger.write(MODULE_NAME, "[INFO] createTextFile -> onFileCreated -> err = " + JSON.stringify(err));
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}
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if (LOG_FILE_CONTENT === true && logger !== undefined) {
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logger.write(MODULE_NAME, "[INFO] createTextFile -> onFileCreated -> result = " + JSON.stringify(result));
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logger.write(MODULE_NAME, "[INFO] createTextFile -> onFileReceived -> response = " + JSON.stringify(response));
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logger.write(MODULE_NAME, "[INFO] createTextFile -> onFileReceived -> pFileContent = " + pFileContent);
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}
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/* Console logging */
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console.log(MODULE_NAME, "[INFO] 'createTextFile' -> onFileReceived -> File created at MINIO -> File = " + pFolderPath + "/" + pFileName);
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if (err) {
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console.log(MODULE_NAME, "[WARN] 'createTextFile' -> onFileReceived -> File created at MINIO -> err = " + err.message);
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}
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if (err) {
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if (ERROR_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[ERROR] createTextFile -> onFileCreated -> err = " + JSON.stringify(err)); }
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if (ERROR_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[ERROR] createTextFile -> onFileCreated -> result = " + JSON.stringify(result)); }
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if (ERROR_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[ERROR] createTextFile -> onFileCreated -> response = " + JSON.stringify(response)); }
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if (ERROR_LOG === true && logger !== undefined) {
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logger.write(MODULE_NAME, "[ERROR] createTextFile -> onFileReceived -> Error trying to create this file.");
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logger.write(MODULE_NAME, "[ERROR] createTextFile -> onFileReceived -> containerName = " + containerName);
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logger.write(MODULE_NAME, "[ERROR] createTextFile -> onFileReceived -> pFolderPath = " + pFolderPath);
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logger.write(MODULE_NAME, "[ERROR] createTextFile -> onFileReceived -> pFileName = " + pFileName);
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logger.write(MODULE_NAME, "[ERROR] createTextFile -> onFileReceived -> err.code = " + err.code);
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}
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if (
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err.code === 'ECONNRESET' ||
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err.code === 'ENOTFOUND' ||
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err.code === 'ESOCKETTIMEDOUT' ||
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err.code === 'ETIMEDOUT' ||
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err.code === 'ECONNREFUSED' ||
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err.code === 'EADDRINUSE' ||
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err.code === 'EAI_AGAIN' ||
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err.code === 'AuthenticationFailed' ||
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err.code === 'OperationTimedOut' ||
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err.code === 'ServerBusy'
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) {
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setTimeout(secondTry, SECOND_TRY_WAIT_TIME);
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return;
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function secondTry() {
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try {
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logger.write(MODULE_NAME, "[INFO] createTextFile -> onFileCreated -> secondTry -> Retrying to create the file.");
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minioClient.putObject(containerName, pFolderPath + "/" + pFileName, pFileContent, 'text/plain', onSecondTry)
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function onSecondTry(err, result, response) {
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try {
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if (err) {
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if (ERROR_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[ERROR] createTextFile -> onFileCreated -> secondTry -> File not created. Giving Up."); }
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if (ERROR_LOG === true && logger !== undefined) {
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logger.write(MODULE_NAME, "[ERROR] createTextFile -> onFileCreated -> secondTry -> containerName = " + containerName);
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logger.write(MODULE_NAME, "[ERROR] createTextFile -> onFileCreated -> secondTry -> pFolderPath = " + pFolderPath);
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logger.write(MODULE_NAME, "[ERROR] createTextFile -> onFileCreated -> secondTry -> pFileName = " + pFileName);
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logger.write(MODULE_NAME, "[ERROR] createTextFile -> onFileCreated -> secondTry -> err.code = " + err.code);
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}
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callBackFunction(global.DEFAULT_RETRY_RESPONSE);
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} else {
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logger.write(MODULE_NAME, "[INFO] createTextFile -> onFileCreated -> secondTry -> File succesfully created on second try.");
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callBackFunction(global.DEFAULT_OK_RESPONSE);
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}
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}
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catch (err) {
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if (ERROR_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[ERROR] 'createTextFile' -> onFileCreated -> secondTry -> onSecondTry -> err = " + err.message); }
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callBackFunction(global.DEFAULT_FAIL_RESPONSE);
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}
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}
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}
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catch (err) {
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if (ERROR_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[ERROR] 'createTextFile' -> onFileCreated -> secondTry -> err = " + err.message); }
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callBackFunction(global.DEFAULT_FAIL_RESPONSE);
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}
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}
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}
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if (ERROR_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[ERROR] createTextFile -> onFileCreated -> Dont know what to do here. Cancelling operation. "); }
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callBackFunction(global.DEFAULT_FAIL_RESPONSE);
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} else {
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if (FULL_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[INFO] createTextFile -> onFileCreated -> File Created."); }
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callBackFunction(global.DEFAULT_OK_RESPONSE);
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}
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}
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catch (err) {
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if (ERROR_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[ERROR] 'createTextFile' -> onFileCreated -> err = " + err.message); }
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callBackFunction(global.DEFAULT_FAIL_RESPONSE);
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}
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}
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}
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catch (err) {
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if (ERROR_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[ERROR] 'createTextFile' -> err = " + err.message); }
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callBackFunction(global.DEFAULT_FAIL_RESPONSE);
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}
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}
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function getTextFile(pFolderPath, pFileName, callBackFunction) {
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try {
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if (FULL_LOG === true && logger !== undefined) {
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logger.write(MODULE_NAME, "[INFO] getTextFile -> About to get a text file.");
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logger.write(MODULE_NAME, "[INFO] getTextFile -> containerName = " + containerName);
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logger.write(MODULE_NAME, "[INFO] getTextFile -> pFolderPath = " + pFolderPath);
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logger.write(MODULE_NAME, "[INFO] getTextFile -> pFileName = " + pFileName);
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}
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minioClient.getObject(containerName, pFolderPath + "/" + pFileName, function (err, dataStream) {
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let data = '';
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if (err) {
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onFileReceived(err, null, "Error retrieving file " + pFolderPath + "/" + pFileName + " from bucket " + containerName);
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return
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}
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dataStream.on('data', function (chunk) {
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data += chunk
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})
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dataStream.on('end', function () {
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onFileReceived(null, data, "Data retrieved.");
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})
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dataStream.on('error', function (err) {
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onFileReceived(err, null, "Error on data stream while retrieving file " + pFolderPath + "/" + pFileName + " from bucket " + containerName);
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})
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})
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function onFileReceived(err, text, response) {
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try {
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if (FULL_LOG === true && logger !== undefined) {
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logger.write(MODULE_NAME, "[INFO] getTextFile -> onFileReceived -> Response from Minio received.");
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logger.write(MODULE_NAME, "[INFO] getTextFile -> onFileReceived -> err = " + JSON.stringify(err));
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}
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if (LOG_FILE_CONTENT === true && logger !== undefined) {
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logger.write(MODULE_NAME, "[INFO] getTextFile -> onFileReceived -> response = " + JSON.stringify(response));
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logger.write(MODULE_NAME, "[INFO] getTextFile -> onFileReceived -> text = " + text);
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}
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/* Console logging */
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console.log(MODULE_NAME, "[INFO] 'getTextFile' -> onFileReceived -> File read from MINIO -> File = " + pFolderPath + "/" + pFileName);
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if (err) {
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console.log(MODULE_NAME, "[WARN] 'getTextFile' -> onFileReceived -> File read from MINIO -> err = " + err.message);
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}
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if (err) {
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if (ERROR_LOG === true && logger !== undefined && err.code !== 'BlobNotFound') {
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logger.write(MODULE_NAME, "[ERROR] getTextFile -> onFileReceived -> Error trying to get this file.");
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logger.write(MODULE_NAME, "[ERROR] getTextFile -> onFileReceived -> containerName = " + containerName);
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logger.write(MODULE_NAME, "[ERROR] getTextFile -> onFileReceived -> pFolderPath = " + pFolderPath);
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logger.write(MODULE_NAME, "[ERROR] getTextFile -> onFileReceived -> pFileName = " + pFileName);
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logger.write(MODULE_NAME, "[ERROR] getTextFile -> onFileReceived -> err.code = " + err.code);
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}
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if (
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err.code === 'ECONNRESET' ||
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err.code === 'ENOTFOUND' ||
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err.code === 'ESOCKETTIMEDOUT' ||
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err.code === 'ETIMEDOUT' ||
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err.code === 'ECONNREFUSED' ||
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err.code === 'EADDRINUSE' ||
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err.code === 'EAI_AGAIN' ||
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err.code === 'AuthenticationFailed' ||
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err.code === 'OperationTimedOut' ||
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err.code === 'ServerBusy'
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) {
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setTimeout(secondTry, SECOND_TRY_WAIT_TIME);
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return;
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function secondTry() {
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try {
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logger.write(MODULE_NAME, "[INFO] getTextFile -> onFileReceived -> secondTry -> Retrying to get the file.");
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minioClient.getObject(containerName, pFolderPath + "/" + pFileName, function (err, dataStream) {
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let data = '';
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if (err) {
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onSecondTry(err, null, "Error retrieving file " + pFolderPath + "/" + pFileName + " from bucket " + containerName);
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return
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}
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dataStream.on('data', function (chunk) {
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data += chunk
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})
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dataStream.on('end', function () {
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onSecondTry(null, data, "Data retrieved.");
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})
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dataStream.on('error', function (err) {
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onSecondTry(err, null, "Error on data stream while retrieving file " + pFolderPath + "/" + pFileName + " from bucket " + containerName);
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})
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})
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function onSecondTry(err, text, response) {
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try {
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if (err) {
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if (ERROR_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[ERROR] getTextFile -> onFileReceived -> secondTry -> File not retrieved. Giving Up."); }
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if (ERROR_LOG === true && logger !== undefined) {
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logger.write(MODULE_NAME, "[ERROR] getTextFile -> onFileReceived -> secondTry -> containerName = " + containerName);
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logger.write(MODULE_NAME, "[ERROR] getTextFile -> onFileReceived -> secondTry -> pFolderPath = " + pFolderPath);
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logger.write(MODULE_NAME, "[ERROR] getTextFile -> onFileReceived -> secondTry -> pFileName = " + pFileName);
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logger.write(MODULE_NAME, "[ERROR] getTextFile -> onFileReceived -> secondTry -> err.code = " + err.code);
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}
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callBackFunction(global.DEFAULT_RETRY_RESPONSE);
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} else {
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logger.write(MODULE_NAME, "[INFO] getTextFile -> onFileReceived -> secondTry -> File succesfully retrieved on second try.");
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callBackFunction(global.DEFAULT_OK_RESPONSE, text);
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}
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}
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catch (err) {
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if (ERROR_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[ERROR] 'getTextFile' -> onFileReceived -> secondTry -> onSecondTry -> err = " + err.message); }
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callBackFunction(global.DEFAULT_FAIL_RESPONSE);
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}
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}
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}
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catch (err) {
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if (ERROR_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[ERROR] 'getTextFile' -> onFileReceived -> secondTry -> err = " + err.message); }
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callBackFunction(global.DEFAULT_FAIL_RESPONSE);
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}
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}
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}
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if (err.code === "NoSuchKey") {
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/* This is how Minio tell us the file does not exist. */
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let customErr = {
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result: global.CUSTOM_FAIL_RESPONSE.result,
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message: "File does not exist."
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};
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logger.write(MODULE_NAME, "[WARN] getTextFile -> onFileReceived -> Custom Response -> message = " + customErr.message);
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logger.write(MODULE_NAME, "[WARN] getTextFile -> containerName = " + containerName);
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logger.write(MODULE_NAME, "[WARN] getTextFile -> pFolderPath = " + pFolderPath);
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logger.write(MODULE_NAME, "[WARN] getTextFile -> pFileName = " + pFileName);
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callBackFunction(customErr);
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return;
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}
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if (err.code === "ParentNotFound") {
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/* This is how Minio tell us the folder where the file was supposed to be does not exist. We map this to our own response. */
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let customErr = {
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result: global.CUSTOM_FAIL_RESPONSE.result,
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message: "Folder does not exist."
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};
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logger.write(MODULE_NAME, "[WARN] getTextFile -> onFileReceived -> Custom Response -> message = " + customErr.message);
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logger.write(MODULE_NAME, "[WARN] getTextFile -> containerName = " + containerName);
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logger.write(MODULE_NAME, "[WARN] getTextFile -> pFolderPath = " + pFolderPath);
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logger.write(MODULE_NAME, "[WARN] getTextFile -> pFileName = " + pFileName);
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callBackFunction(customErr);
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return;
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}
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if (ERROR_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[ERROR] getTextFile -> onFileCreated -> err = " + JSON.stringify(err)); }
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if (ERROR_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[ERROR] getTextFile -> onFileCreated -> response = " + JSON.stringify(response)); }
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if (ERROR_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[ERROR] getTextFile -> onFileReceived -> Dont know what to do here. Cancelling operation. "); }
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callBackFunction(global.DEFAULT_FAIL_RESPONSE);
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} else {
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if (FULL_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[INFO] getTextFile -> onFileReceived -> File retrieved."); }
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callBackFunction(global.DEFAULT_OK_RESPONSE, text);
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}
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}
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catch (err) {
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if (ERROR_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[ERROR] 'getTextFile' -> onFileReceived -> err = " + err.message); }
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callBackFunction(global.DEFAULT_FAIL_RESPONSE);
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}
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}
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}
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catch (err) {
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if (ERROR_LOG === true && logger !== undefined) { logger.write(MODULE_NAME, "[ERROR] 'getTextFile' -> err = " + err.message); }
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callBackFunction(global.DEFAULT_FAIL_RESPONSE);
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}
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}
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};
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