138 lines
3.8 KiB
TypeScript
138 lines
3.8 KiB
TypeScript
/* eslint-disable import/order */
|
|
import env from "./env";
|
|
|
|
import "./logging/tracing"; // must come before importing any instrumented module
|
|
|
|
import http from "http";
|
|
import https from "https";
|
|
import Koa from "koa";
|
|
import compress from "koa-compress";
|
|
import helmet from "koa-helmet";
|
|
import logger from "koa-logger";
|
|
import onerror from "koa-onerror";
|
|
import Router from "koa-router";
|
|
import { uniq } from "lodash";
|
|
import { AddressInfo } from "net";
|
|
import stoppable from "stoppable";
|
|
import throng from "throng";
|
|
import Logger from "./logging/Logger";
|
|
import { requestErrorHandler } from "./logging/sentry";
|
|
import services from "./services";
|
|
import { getArg } from "./utils/args";
|
|
import { getSSLOptions } from "./utils/ssl";
|
|
import {
|
|
checkEnv,
|
|
checkMigrations,
|
|
checkPendingMigrations,
|
|
} from "./utils/startup";
|
|
import { checkUpdates } from "./utils/updates";
|
|
|
|
// The default is to run all services to make development and OSS installations
|
|
// easier to deal with. Separate services are only needed at scale.
|
|
const serviceNames = uniq(
|
|
env.SERVICES.split(",").map((service) => service.trim())
|
|
);
|
|
|
|
// The number of processes to run, defaults to the number of CPU's available
|
|
// for the web service, and 1 for collaboration during the beta period.
|
|
let processCount = env.WEB_CONCURRENCY;
|
|
|
|
if (serviceNames.includes("collaboration")) {
|
|
if (processCount !== 1) {
|
|
Logger.info(
|
|
"lifecycle",
|
|
"Note: Restricting process count to 1 due to use of collaborative service"
|
|
);
|
|
}
|
|
|
|
processCount = 1;
|
|
}
|
|
|
|
// This function will only be called once in the original process
|
|
async function master() {
|
|
await checkEnv();
|
|
checkPendingMigrations();
|
|
await checkMigrations();
|
|
|
|
if (env.TELEMETRY && env.ENVIRONMENT === "production") {
|
|
checkUpdates();
|
|
setInterval(checkUpdates, 24 * 3600 * 1000);
|
|
}
|
|
}
|
|
|
|
// This function will only be called in each forked process
|
|
async function start(id: number, disconnect: () => void) {
|
|
// Find if SSL certs are available
|
|
const ssl = getSSLOptions();
|
|
const useHTTPS = !!ssl.key && !!ssl.cert;
|
|
|
|
// If a --port flag is passed then it takes priority over the env variable
|
|
const normalizedPortFlag = getArg("port", "p");
|
|
const app = new Koa();
|
|
const server = stoppable(
|
|
useHTTPS
|
|
? https.createServer(ssl, app.callback())
|
|
: http.createServer(app.callback())
|
|
);
|
|
const router = new Router();
|
|
|
|
// install basic middleware shared by all services
|
|
if (env.DEBUG.includes("http")) {
|
|
app.use(logger((str) => Logger.info("http", str)));
|
|
}
|
|
|
|
app.use(compress());
|
|
app.use(helmet());
|
|
|
|
// catch errors in one place, automatically set status and response headers
|
|
onerror(app);
|
|
app.on("error", requestErrorHandler);
|
|
|
|
// install health check endpoint for all services
|
|
router.get("/_health", (ctx) => (ctx.body = "OK"));
|
|
app.use(router.routes());
|
|
|
|
// loop through requested services at startup
|
|
for (const name of serviceNames) {
|
|
if (!Object.keys(services).includes(name)) {
|
|
throw new Error(`Unknown service ${name}`);
|
|
}
|
|
|
|
Logger.info("lifecycle", `Starting ${name} service`);
|
|
const init = services[name];
|
|
await init(app, server, serviceNames);
|
|
}
|
|
|
|
server.on("error", (err) => {
|
|
throw err;
|
|
});
|
|
server.on("listening", () => {
|
|
const address = server.address();
|
|
|
|
Logger.info(
|
|
"lifecycle",
|
|
`Listening on ${useHTTPS ? "https" : "http"}://localhost:${
|
|
(address as AddressInfo).port
|
|
}`
|
|
);
|
|
});
|
|
|
|
server.listen(normalizedPortFlag || env.PORT || "3000");
|
|
server.setTimeout(env.REQUEST_TIMEOUT);
|
|
|
|
process.once("SIGTERM", shutdown);
|
|
process.once("SIGINT", shutdown);
|
|
|
|
function shutdown() {
|
|
Logger.info("lifecycle", "Stopping server");
|
|
server.emit("shutdown");
|
|
server.stop(disconnect);
|
|
}
|
|
}
|
|
|
|
throng({
|
|
master,
|
|
worker: start,
|
|
count: processCount,
|
|
});
|