@tableau/taco-toolkit
Version:
Tableau Connector Toolkit
265 lines • 25 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
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var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.waitForExtractorMessage = exports.handleExtract = exports.validateConnectionData = void 0;
var http_status_codes_1 = require("http-status-codes");
var node_path_1 = __importDefault(require("node:path"));
var uuid_1 = require("uuid");
var eps_error_1 = require("../../../types/eps-error");
var eps_error_info_1 = require("../../../types/eps-error-info");
var connector_launch_status_1 = require("../../../../shared/enums/connector-launch-status");
var extractor_type_1 = require("../../../../shared/enums/extractor-type");
var error_codes_1 = require("../../../../shared/errors/error-codes");
var error_source_1 = require("../../../../shared/errors/error-source");
var status_code_1 = require("../../../../shared/errors/status-code");
var extractor_status_1 = require("../../../types/extractor-status");
var eps_logger_1 = require("../../../logging/eps-logger");
var process_manager_1 = require("../../components/process-manager");
var app_global_1 = __importDefault(require("../../core/app-global"));
var eps_process_types_1 = require("../../../types/eps-process-types");
var extractor_message_1 = require("../../../types/extractor-message");
var handler_utils_1 = require("./handler-utils");
var EXTRACTOR_APP_PATH = node_path_1.default.resolve(__dirname, '../../../extractor/extractor-app.js');
function validateConnectionData(body) {
if (!body || typeof body !== 'object' || Object.keys(body).length === 0) {
var message = 'Bad Request: Request body is empty or not JSON; request body must have ConnectionData.';
eps_logger_1.Logger.logEPSError(status_code_1.StatusCode.FailedPrecondition, error_source_1.ErrorSources.Client, error_codes_1.ErrorCodes.M92GXFQP, message);
throw Error(message);
}
// Check there are some handlerInputs
var handlerInputs = body.handlerInputs;
if (!handlerInputs || !Array.isArray(handlerInputs) || handlerInputs.length === 0) {
var errorMessage = 'Bad Request: handlerInputs must be provided in request body.';
eps_logger_1.Logger.logEPSError(status_code_1.StatusCode.FailedPrecondition, error_source_1.ErrorSources.Configuration, error_codes_1.ErrorCodes.ENT97JSH, errorMessage);
throw new eps_error_1.EPSError(errorMessage, new eps_error_info_1.EPSErrorInfo(handler_utils_1.ERROR_CODE_BAD_TACO), connector_launch_status_1.ConnectorLaunchStatus.BadTaco);
}
}
exports.validateConnectionData = validateConnectionData;
function handleEpsExtractor(extractorLaunchedEvent, extractHandlerRequest) {
return __awaiter(this, void 0, void 0, function () {
var connectionId, secrets, connectionData, extractorMessage, extractorType, extractorLaunchSuccessOptions, extractApiResponse, errorMessage;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
connectionId = extractHandlerRequest.connectionId, secrets = extractHandlerRequest.secrets, connectionData = extractHandlerRequest.connectionData;
return [4 /*yield*/, launchEpsExtractor(extractHandlerRequest)];
case 1:
extractorMessage = _a.sent();
extractorType = extractor_type_1.ExtractorType.eps;
extractorLaunchSuccessOptions = {
type: 'success',
extractorType: extractorType,
extractorMessage: extractorMessage,
connectionData: connectionData,
secrets: secrets,
};
extractorLaunchedEvent.emit((0, handler_utils_1.getExtractorLaunchedConnectionId)(connectionId), extractorLaunchSuccessOptions);
extractApiResponse = {
status: connector_launch_status_1.ConnectorLaunchStatus.Extract,
extractorType: extractorType,
port: extractorMessage.port,
extractorId: extractorMessage.extractorId,
};
errorMessage = extractorMessage.errorMessage;
if (errorMessage) {
extractApiResponse.status = connector_launch_status_1.ConnectorLaunchStatus.Error;
extractApiResponse.errorMessage = errorMessage;
}
return [2 /*return*/, {
httpStatusCode: http_status_codes_1.StatusCodes.OK,
response: extractApiResponse,
}];
}
});
});
}
function handleExtract(extractorLaunchedEvent, extractHandlerRequest) {
return __awaiter(this, void 0, void 0, function () {
var connectionId, error_1, options;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
connectionId = extractHandlerRequest.connectionId;
// Done with browser, mark completed to declare it was completed properly.
app_global_1.default.connectionManager.setIsSubmitted(connectionId, true);
_a.label = 1;
case 1:
_a.trys.push([1, 3, , 4]);
return [4 /*yield*/, handleEpsExtractor(extractorLaunchedEvent, extractHandlerRequest)];
case 2: return [2 /*return*/, _a.sent()];
case 3:
error_1 = _a.sent();
options = {
type: 'failure',
error: error_1,
connectorLaunchStatus: connector_launch_status_1.ConnectorLaunchStatus.BadTaco,
};
extractorLaunchedEvent.emit((0, handler_utils_1.getExtractorLaunchedConnectionId)(connectionId), options);
return [2 /*return*/, {
httpStatusCode: http_status_codes_1.StatusCodes.OK,
response: new eps_error_1.EPSError(error_1, new eps_error_info_1.EPSErrorInfo(handler_utils_1.ERROR_CODE_BAD_TACO), connector_launch_status_1.ConnectorLaunchStatus.BadTaco),
}];
case 4: return [2 /*return*/];
}
});
});
}
exports.handleExtract = handleExtract;
function launchEpsExtractor(extractHandlerRequest) {
return __awaiter(this, void 0, void 0, function () {
var tacoPath, connectionId, connectorClass, connectionData, secrets, distinctConnectorName, handlersDir, permission, extractorOptions, portConfig, extractorId, extractorProcess, extractorMessage;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
tacoPath = extractHandlerRequest.tacoPath, connectionId = extractHandlerRequest.connectionId, connectorClass = extractHandlerRequest.connectorClass, connectionData = extractHandlerRequest.connectionData, secrets = extractHandlerRequest.secrets;
return [4 /*yield*/, (0, handler_utils_1.getOrInitializeDistinctConnectorName)({
connectionId: connectionId,
connectorClass: connectorClass,
tacoPath: tacoPath,
})];
case 1:
distinctConnectorName = _a.sent();
if (app_global_1.default.connectionManager.hasActiveConnection(connectionId)) {
// With ExtractorHandler, this should never be hit. Keep it here for a sanity check to avoid creating an orphan extractor process.
throw new Error("There is already a live extractor for ConnectionId '".concat(connectionId, "'."));
}
handlersDir = app_global_1.default.tacoInitializer.getConnectorHandlersPath(distinctConnectorName);
permission = app_global_1.default.tacoInitializer.getConnectorConfig(distinctConnectorName).permission;
extractorOptions = {
handlersDir: handlersDir,
connectorClass: connectorClass,
connectionId: connectionId,
handlerInputs: connectionData.handlerInputs,
secrets: secrets,
permission: permission,
};
portConfig = {
portRange: app_global_1.default.portManager.getPortRange(),
reservedPorts: app_global_1.default.portManager.getReservedPorts(),
};
extractorId = (0, uuid_1.v4)();
extractorProcess = app_global_1.default.processManager.fork(eps_process_types_1.EPSProcessName.EPSExtractor, process_manager_1.ProcessType.child, EXTRACTOR_APP_PATH, [
extractorId,
// TOOD: nodejs has size limit on param length. We need to handle it better.
JSON.stringify(extractorOptions),
JSON.stringify(portConfig),
]);
return [4 /*yield*/, waitForExtractorMessage(extractorProcess, connectionId)];
case 2:
extractorMessage = _a.sent();
if ((0, extractor_message_1.isSchemaDoneExtractorMessage)(extractorMessage)) {
app_global_1.default.connectionManager.addExtractorProcess(connectionId, extractorProcess, extractorId);
}
return [2 /*return*/, extractorMessage];
}
});
});
}
/**
* Wait for the extractor process to send the message to EPS.
* The function will settle the promise on the first (known) message sent from extractor.
*/
function waitForExtractorMessage(extractorProcess, connectionId) {
var schemaDone = false;
return new Promise(function (resolve, reject) {
var _a, _b;
(_a = extractorProcess.stdout) === null || _a === void 0 ? void 0 : _a.on('data', function (data) {
eps_logger_1.Logger.info("Extractor (pid:".concat(extractorProcess.pid, ") stdout: ").concat(data));
});
(_b = extractorProcess.stderr) === null || _b === void 0 ? void 0 : _b.on('data', function (data) {
eps_logger_1.Logger.error("Extractor (pid:".concat(extractorProcess.pid, ") stderr: ").concat(data));
});
extractorProcess.on('message', function (message) {
var status = message.status;
if (status === extractor_status_1.ExtractorStatus.SchemaDone) {
schemaDone = true;
resolve(message);
}
else if (status === extractor_status_1.ExtractorStatus.ExtractorError) {
var errMsg = "Extractor (pid:".concat(extractorProcess.pid, ") reported an error: ").concat(message.errorMessage);
eps_logger_1.Logger.logEPSError(status_code_1.StatusCode.Cancelled, error_source_1.ErrorSources.Client, error_codes_1.ErrorCodes.HU3H87WB, errMsg);
// if extractor process crashes due to error, evict the connection
app_global_1.default.connectionManager.free(connectionId);
reject(errMsg);
}
else {
// All messages from extractor should be sent by sendExtractorMessage(), so based on the code,
// this line should never be hit. Just logging here in case anything is missed.
eps_logger_1.Logger.debug(message);
}
});
extractorProcess.on('error', function (err) {
// ERR_IPC_CHANNEL_CLOSED is raised when parent is closing and is ignorable in that case.
var errMsg = "Extractor (pid:".concat(extractorProcess.pid, ") emitted an error event: ").concat(err, ".");
eps_logger_1.Logger.logEPSError(status_code_1.StatusCode.Cancelled, error_source_1.ErrorSources.Client, error_codes_1.ErrorCodes.PSZECVJ1, errMsg);
reject(errMsg);
});
extractorProcess.on('disconnect', function () {
if (!schemaDone) {
var errMsg = "Extractor (pid:".concat(extractorProcess.pid, ") disconnected before extractor completes. Check logs for more details.");
reject(errMsg);
}
// When schemaDone is true, the promise is already settled.
// Log here for extractor process status.
eps_logger_1.Logger.info("Extractor (pid:".concat(extractorProcess.pid, ") disconnected."));
});
extractorProcess.on('exit', function (code, signal) {
if (!schemaDone) {
var errMsg = "Extractor (pid:".concat(extractorProcess.pid, ") exited before extractor completes. Check logs for more details.");
reject(errMsg);
}
// When schemaDone is true, the promise is already settled.
// Log here for extractor process status.
eps_logger_1.Logger.info("Extractor (pid:".concat(extractorProcess.pid, ") exited with code ").concat(code, " on signal '").concat(signal, "'."));
});
extractorProcess.on('close', function (code, signal) {
if (!schemaDone) {
var errMsg = "Extractor (pid:".concat(extractorProcess.pid, ") closed before extractor completes. Check logs for more details.");
reject(errMsg);
}
// When schemaDone is true, the promise is already settled.
// Log here for extractor process status.
eps_logger_1.Logger.info("Extractor (pid:".concat(extractorProcess.pid, ") closed with code ").concat(code, " on signal '").concat(signal, "'."));
});
});
}
exports.waitForExtractorMessage = waitForExtractorMessage;
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