reshuffle-aws-connectors
Version:
A set of Reshuffle connectors for AWS services
198 lines • 9.76 kB
JavaScript
;
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
exports.__esModule = true;
exports.handler = void 0;
var fs_1 = __importDefault(require("fs"));
var util_1 = __importDefault(require("util"));
var crypto_1 = __importDefault(require("crypto"));
var stream_1 = __importDefault(require("stream"));
var aws_sdk_1 = __importDefault(require("aws-sdk"));
var node_fetch_1 = __importDefault(require("node-fetch"));
var Folder_1 = require("./Folder");
var pipeline = util_1["default"].promisify(stream_1["default"].pipeline);
aws_sdk_1["default"].config.signatureVersion = 'v4';
// eslint-disable-next-line @typescript-eslint/explicit-module-boundary-types
function handler(event) {
return __awaiter(this, void 0, void 0, function () {
// Get the bucket and key out of an S3 URL
function splitS3Url(url) {
var match = url.match(/^s3:\/\/(.*)\/(.*)$/);
if (!match) {
throw new Error("Invalid file: " + url);
}
return [match[1], match[2]];
}
// Copy an object from S3 to a local folder
function getObjectFromS3(folder, url) {
return __awaiter(this, void 0, void 0, function () {
var _a, Bucket, Key;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
_a = splitS3Url(url), Bucket = _a[0], Key = _a[1];
return [4 /*yield*/, pipeline(s3.getObject({ Bucket: Bucket, Key: Key }).createReadStream(), fs_1["default"].createWriteStream(folder.path(Key)))];
case 1:
_b.sent();
return [2 /*return*/];
}
});
});
}
// Split URL into hostname+path and filename
function splitUrl(url) {
var index = url.lastIndexOf('/') + 1;
return [url.substr(0, index), url.substr(index)];
}
// Download an object through a URL
function downloadObject(folder, fn, url) {
return __awaiter(this, void 0, void 0, function () {
var res;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, node_fetch_1["default"](url)];
case 1:
res = _a.sent();
if (!res.ok) {
throw new Error("Error " + res.status + " " + res.statusText + ": " + url);
}
return [4 /*yield*/, pipeline(res.body, fs_1["default"].createWriteStream(folder.path(fn)))];
case 2:
_a.sent();
return [2 /*return*/];
}
});
});
}
var s3, exeFolder, executable, s3exe, exe, uid, filesFolder, _i, _a, url, command, stdout;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
console.log('Running command:', event.command);
console.log('URLs:', event.urls);
s3 = new aws_sdk_1["default"].S3();
exeFolder = new Folder_1.Folder('executable', true);
if (!process.env.EXECUTABLE) {
throw new Error('Missing EXECUTABLE environment variable');
}
executable = process.env.EXECUTABLE;
console.log('Executable:', executable);
s3exe = executable.startsWith('s3');
exe = s3exe ? splitS3Url(executable)[1] : splitUrl(executable)[1];
return [4 /*yield*/, exeFolder.contains(exe)];
case 1:
if (!_b.sent()) return [3 /*break*/, 2];
console.log('Found executable:', exe);
return [3 /*break*/, 8];
case 2:
if (!s3exe) return [3 /*break*/, 4];
console.log('Copying executable from S3:', executable);
return [4 /*yield*/, getObjectFromS3(exeFolder, executable)];
case 3:
_b.sent();
return [3 /*break*/, 6];
case 4:
console.log('Downloading executable from:', executable);
return [4 /*yield*/, downloadObject(exeFolder, exe, executable)];
case 5:
_b.sent();
_b.label = 6;
case 6: return [4 /*yield*/, exeFolder.exec("chmod 0755 " + exe)];
case 7:
_b.sent();
_b.label = 8;
case 8:
// Create a temportary folder for data files
console.log('Creating temporary folder');
uid = crypto_1["default"].randomBytes(8).toString('hex');
filesFolder = new Folder_1.Folder(uid);
return [4 /*yield*/, filesFolder.init()];
case 9:
_b.sent();
_b.label = 10;
case 10:
_b.trys.push([10, , 16, 18]);
_i = 0, _a = event.urls;
_b.label = 11;
case 11:
if (!(_i < _a.length)) return [3 /*break*/, 14];
url = _a[_i];
console.log('Loading data:', url);
return [4 /*yield*/, getObjectFromS3(filesFolder, url)];
case 12:
_b.sent();
_b.label = 13;
case 13:
_i++;
return [3 /*break*/, 11];
case 14:
command = event.command.replace(exe, exeFolder.path(exe));
console.log('Running command:', command);
return [4 /*yield*/, filesFolder.exec(command)
// Return the standard output
];
case 15:
stdout = (_b.sent()).stdout;
// Return the standard output
console.log('Output:', stdout);
return [2 /*return*/, { statusCode: 200, body: stdout }];
case 16:
// Cleanup data files
return [4 /*yield*/, filesFolder.destroy()];
case 17:
// Cleanup data files
_b.sent();
return [7 /*endfinally*/];
case 18: return [2 /*return*/];
}
});
});
}
exports.handler = handler;
// process.env.EXECUTABLE =
// // s3: 's3://reshuffle-files/mediainfo',
// 'http://reshuffle-files.s3-website-us-west-1.amazonaws.com/mediainfo'
// handler({
// command: 'mediainfo --output=JSON lemons.mp4',
// urls: [
// `s3://${process.env.S3_SOURCE_BUCKET}/lemons.mp4`,
// ],
// })
//# sourceMappingURL=lambda-command.js.map