Files
outline/server/services/worker.ts
Tom Moor 53414ec3ba feat: Server side translation setup (#4657)
* Server side translation setup

* docs
2023-01-07 11:52:09 -08:00

142 lines
3.9 KiB
TypeScript

import Logger from "@server/logging/Logger";
import { setResource } from "@server/logging/tracer";
import { traceFunction } from "@server/logging/tracing";
import { initI18n } from "@server/utils/i18n";
import {
globalEventQueue,
processorEventQueue,
websocketQueue,
taskQueue,
} from "../queues";
import processors from "../queues/processors";
import tasks from "../queues/tasks";
export default function init() {
initI18n();
// This queue processes the global event bus
globalEventQueue.process(
traceFunction({
serviceName: "worker",
spanName: "process",
isRoot: true,
})(async function (job) {
const event = job.data;
let err;
setResource(`Event.${event.name}`);
Logger.info("worker", `Processing ${event.name}`, {
name: event.name,
modelId: event.modelId,
attempt: job.attemptsMade,
});
// For each registered processor we check to see if it wants to handle the
// event (applicableEvents), and if so add a new queued job specifically
// for that processor.
for (const name in processors) {
const ProcessorClass = processors[name];
if (!ProcessorClass) {
throw new Error(
`Received event "${event.name}" for processor (${name}) that isn't registered. Check the file name matches the class name.`
);
}
try {
if (name === "WebsocketsProcessor") {
// websockets are a special case on their own queue because they must
// only be consumed by the websockets service rather than workers.
await websocketQueue.add(job.data);
} else if (
ProcessorClass.applicableEvents.includes(event.name) ||
ProcessorClass.applicableEvents.includes("*")
) {
await processorEventQueue.add({ event, name });
}
} catch (error) {
Logger.error(
`Error adding ${event.name} to ${name} queue`,
error,
event
);
err = error;
}
}
if (err) {
throw err;
}
})
);
// Jobs for individual processors are processed here. Only applicable events
// as unapplicable events were filtered in the global event queue above.
processorEventQueue.process(
traceFunction({
serviceName: "worker",
spanName: "process",
isRoot: true,
})(async function (job) {
const { event, name } = job.data;
const ProcessorClass = processors[name];
setResource(`Processor.${name}`);
if (!ProcessorClass) {
throw new Error(
`Received event "${event.name}" for processor (${name}) that isn't registered. Check the file name matches the class name.`
);
}
const processor = new ProcessorClass();
if (processor.perform) {
Logger.info("worker", `${name} running ${event.name}`, {
name: event.name,
modelId: event.modelId,
});
try {
await processor.perform(event);
} catch (err) {
Logger.error(`Error processing ${event.name} in ${name}`, err, event);
throw err;
}
}
})
);
// Jobs for async tasks are processed here.
taskQueue.process(
traceFunction({
serviceName: "worker",
spanName: "process",
isRoot: true,
})(async function (job) {
const { name, props } = job.data;
const TaskClass = tasks[name];
setResource(`Task.${name}`);
if (!TaskClass) {
throw new Error(
`Task "${name}" is not registered. Check the file name matches the class name.`
);
}
Logger.info("worker", `${name} running`, props);
const task = new TaskClass();
try {
await task.perform(props);
} catch (err) {
Logger.error(`Error processing task in ${name}`, err, props);
throw err;
}
})
);
}