Merge pull request #442 from Brikaa/refactor-runtimes
Refactor runtimes
This commit is contained in:
Thomas Hobson
GitHub
commit
d244f0138c
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@ -48,7 +48,7 @@ const SIGNALS = [
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];
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// ref: https://man7.org/linux/man-pages/man7/signal.7.html
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function get_job(body) {
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function get_job(job_info, available_runtimes) {
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let {
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language,
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args,
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@ -58,7 +58,7 @@ function get_job(body) {
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run_memory_limit,
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run_timeout,
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compile_timeout,
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} = body;
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} = job_info;
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return new Promise((resolve, reject) => {
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if (!language || typeof language !== 'string') {
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@ -80,7 +80,7 @@ function get_job(body) {
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}
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}
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const rt = runtime.find(rt =>
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const rt = available_runtimes.find(rt =>
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[...rt.aliases, rt.language].includes(rt.language)
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);
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@ -102,7 +102,7 @@ function get_job(body) {
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for (const constraint of ['memory_limit', 'timeout']) {
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for (const type of ['compile', 'run']) {
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const constraint_name = `${type}_${constraint}`;
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const constraint_value = body[constraint_name];
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const constraint_value = job_info[constraint_name];
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const configured_limit = rt[`${constraint}s`][type];
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if (!constraint_value) {
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continue;
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@ -201,7 +201,7 @@ router.ws('/connect', async (ws, req) => {
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switch (msg.type) {
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case 'init':
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if (job === null) {
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job = await get_job(msg);
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job = await get_job(msg, req.app.locals.runtimes);
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await job.prime();
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@ -264,7 +264,7 @@ router.ws('/connect', async (ws, req) => {
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router.post('/execute', async (req, res) => {
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try {
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const job = await get_job(req.body);
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const job = await get_job(req.body, req.app.locals.runtimes);
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await job.prime();
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@ -279,7 +279,7 @@ router.post('/execute', async (req, res) => {
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});
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router.get('/runtimes', (req, res) => {
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const runtimes = runtime.map(rt => {
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const runtimes = req.app.locals.runtimes.map(rt => {
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return {
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language: rt.language,
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version: rt.version.raw,
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@ -3,7 +3,6 @@ const router = express.Router();
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const events = require('events');
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const runtime = require('../runtime');
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const { Job } = require('../job');
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const SIGNALS = [
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@ -48,7 +47,7 @@ const SIGNALS = [
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];
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// ref: https://man7.org/linux/man-pages/man7/signal.7.html
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function get_job(body) {
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function get_job(job_info, available_runtimes) {
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const {
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runtime_id,
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args,
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@ -58,7 +57,7 @@ function get_job(body) {
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run_memory_limit,
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run_timeout,
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compile_timeout,
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} = body;
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} = job_info;
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return new Promise((resolve, reject) => {
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if (typeof runtime_id !== 'number') {
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@ -73,7 +72,7 @@ function get_job(body) {
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});
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}
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const rt = runtime[runtime_id];
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const rt = available_runtimes[runtime_id];
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if (rt === undefined) {
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return reject({
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@ -99,7 +98,7 @@ function get_job(body) {
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for (const constraint of ['memory_limit', 'timeout']) {
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for (const type of ['compile', 'run']) {
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const constraint_name = `${type}_${constraint}`;
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const constraint_value = body[constraint_name];
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const constraint_value = job_info[constraint_name];
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const configured_limit = rt[`${constraint}s`][type];
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if (!constraint_value) {
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continue;
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@ -199,7 +198,7 @@ router.ws('/connect', async (ws, req) => {
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switch (msg.type) {
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case 'init':
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if (job === null) {
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job = await get_job(msg);
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job = await get_job(msg, req.app.locals.runtimes);
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await job.prime();
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@ -262,7 +261,7 @@ router.ws('/connect', async (ws, req) => {
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router.post('/execute', async (req, res) => {
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try {
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const job = await get_job(req.body);
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const job = await get_job(req.body, req.app.locals.runtimes);
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await job.prime();
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@ -277,13 +276,13 @@ router.post('/execute', async (req, res) => {
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});
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router.get('/runtimes', (req, res) => {
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const runtimes = runtime.map(rt => {
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const runtimes = req.app.locals.runtimes.map((rt, index) => {
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return {
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language: rt.language,
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version: rt.version.raw,
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aliases: rt.aliases,
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runtime: rt.runtime,
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id: rt.id,
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id: index,
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};
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});
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@ -7,7 +7,6 @@ const globals = require('../globals');
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const config = require('../config');
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const cp = require('child_process');
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const path = require('path');
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const fs = require('fs/promises');
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const fss = require('fs');
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const body_parser = require('body-parser');
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const runtime = require('../runtime');
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@ -39,10 +38,23 @@ expressWs(app);
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logger.info('Loading packages');
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const runtimes_data = cp.execSync(`nix eval --json ${config.flake_path}#pistonRuntimeSets.${config.runtime_set} --apply builtins.attrNames`).toString();
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const runtimes = JSON.parse(runtimes_data);
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runtimes.for_each(pkg => runtime.load_runtime(pkg));
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const runtimes_data = cp
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.execSync(
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`nix eval --json ${config.flake_path}#pistonRuntimeSets.${config.runtime_set} --apply builtins.attrNames`
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)
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.toString();
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const runtime_names = JSON.parse(runtimes_data);
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logger.info('Loading the runtimes from the flakes');
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const runtimes = runtime_names.map(runtime_name => {
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logger.info(`Loading ${runtime_name}`);
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return runtime.get_runtime_from_flakes(runtime_name);
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});
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logger.info('Ensuring all of the runtimes are built');
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runtimes.for_each(r => r.ensure_built());
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Object.freeze(runtimes);
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app.locals.runtimes = runtimes;
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logger.info('Starting API Server');
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logger.debug('Constructing Express App');
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@ -30,29 +30,17 @@ const { Job } = require('../job');
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const runtime_path = `${config.flake_path}#pistonRuntimes.${runtime_name}`;
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logger.info(`Testing runtime ${runtime_path}`);
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logger.debug(`Loading runtime metadata`);
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const metadata = JSON.parse(
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cp.execSync(`nix eval --json ${runtime_path}.metadata --json`)
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);
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logger.debug(`Loading runtime`);
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const testable_runtime = runtime.get_runtime_from_flakes(runtime_name);
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testable_runtime.ensure_built();
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logger.debug(`Loading runtime tests`);
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const tests = JSON.parse(
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cp.execSync(`nix eval --json ${runtime_path}.tests --json`)
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);
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logger.debug(`Loading runtime`);
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const testable_runtime = new runtime.Runtime({
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...metadata,
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...runtime.Runtime.compute_all_limits(
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metadata.language,
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metadata.limitOverrides
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),
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flake_path: runtime_path,
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});
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testable_runtime.ensure_built();
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logger.info(`Running tests`);
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for (const test of tests) {
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@ -2,8 +2,6 @@ const logger = require('logplease').create('runtime');
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const cp = require('child_process');
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const config = require('./config');
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const runtimes = [];
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class Runtime {
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constructor({
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language,
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@ -41,69 +39,6 @@ class Runtime {
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this.package_support = packageSupport;
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}
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static compute_single_limit(
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language_name,
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limit_name,
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language_limit_overrides
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) {
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return (
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(config.limit_overrides[language_name] &&
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config.limit_overrides[language_name][limit_name]) ||
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(language_limit_overrides &&
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language_limit_overrides[limit_name]) ||
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config[limit_name]
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);
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}
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static compute_all_limits(language_name, language_limit_overrides) {
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return {
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timeouts: {
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compile: this.compute_single_limit(
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language_name,
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'compile_timeout',
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language_limit_overrides
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),
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run: this.compute_single_limit(
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language_name,
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'run_timeout',
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language_limit_overrides
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),
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},
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memory_limits: {
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compile: this.compute_single_limit(
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language_name,
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'compile_memory_limit',
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language_limit_overrides
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),
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run: this.compute_single_limit(
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language_name,
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'run_memory_limit',
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language_limit_overrides
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),
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},
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max_process_count: this.compute_single_limit(
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language_name,
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'max_process_count',
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language_limit_overrides
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),
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max_open_files: this.compute_single_limit(
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language_name,
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'max_open_files',
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language_limit_overrides
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),
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max_file_size: this.compute_single_limit(
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language_name,
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'max_file_size',
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language_limit_overrides
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),
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output_max_size: this.compute_single_limit(
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language_name,
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'output_max_size',
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language_limit_overrides
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),
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};
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}
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ensure_built() {
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logger.info(`Ensuring ${this} is built`);
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@ -120,41 +55,94 @@ class Runtime {
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logger.debug(`Finished ensuring ${this} is installed`);
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}
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static load_runtime(flake_key) {
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logger.info(`Loading ${flake_key}`);
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const flake_path = `${config.flake_path}#pistonRuntimeSets.${config.runtime_set}.${flake_key}`;
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const metadata_command = `nix eval --json ${flake_path}.metadata`;
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const metadata = JSON.parse(cp.execSync(metadata_command));
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const this_runtime = new Runtime({
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...metadata,
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...Runtime.compute_all_limits(
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metadata.language,
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metadata.limitOverrides
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),
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flake_path,
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});
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this_runtime.ensure_built();
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runtimes.push(this_runtime);
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logger.debug(`Package ${flake_key} was loaded`);
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}
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get compiled() {
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return this.compile !== null;
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}
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get id() {
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return runtimes.indexOf(this);
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}
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toString() {
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return `${this.language}-${this.version}`;
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}
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}
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module.exports = runtimes;
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function compute_single_limit(
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language_name,
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limit_name,
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language_limit_overrides
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) {
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return (
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(config.limit_overrides[language_name] &&
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config.limit_overrides[language_name][limit_name]) ||
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(language_limit_overrides &&
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language_limit_overrides[limit_name]) ||
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config[limit_name]
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);
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}
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function compute_all_limits(language_name, language_limit_overrides) {
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return {
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timeouts: {
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compile: compute_single_limit(
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language_name,
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'compile_timeout',
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language_limit_overrides
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),
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run: compute_single_limit(
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language_name,
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'run_timeout',
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language_limit_overrides
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),
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},
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memory_limits: {
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compile: compute_single_limit(
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language_name,
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'compile_memory_limit',
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language_limit_overrides
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),
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run: compute_single_limit(
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language_name,
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'run_memory_limit',
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language_limit_overrides
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),
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},
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max_process_count: compute_single_limit(
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language_name,
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'max_process_count',
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language_limit_overrides
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),
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max_open_files: compute_single_limit(
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language_name,
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'max_open_files',
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language_limit_overrides
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),
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max_file_size: compute_single_limit(
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language_name,
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'max_file_size',
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language_limit_overrides
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),
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output_max_size: compute_single_limit(
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language_name,
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'output_max_size',
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language_limit_overrides
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),
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};
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}
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function get_runtime_from_flakes(runtime_name) {
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const flake_path = `${config.flake_path}#pistonRuntimeSets.${config.runtime_set}.${runtime_name}`;
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const metadata_command = `nix eval --json ${flake_path}.metadata`;
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const metadata = JSON.parse(cp.execSync(metadata_command));
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const this_runtime = new Runtime({
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...metadata,
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...compute_all_limits(
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metadata.language,
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metadata.limitOverrides
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),
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flake_path,
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});
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return this_runtime
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}
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module.exports.Runtime = Runtime;
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module.exports.load_runtime = Runtime.load_runtime;
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module.exports.get_runtime_from_flakes = get_runtime_from_flakes;
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