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Code Issues Packages Projects Releases Wiki Activity

Move to ioredis for streaming (#26581) 

Co-authored-by: Emelia Smith <ThisIsMissEm@users.noreply.github.com>
main
Gabriel Simmer 2023-09-01 16:44:28 +01:00 committed by GitHub
parent 9e26cd5503
commit be991f1d18
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 85 additions and 100 deletions
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2
package.json
View File

@ -82,6 +82,7 @@
"immutable": "^4.3.0",
"imports-loader": "^1.2.0",
"intl-messageformat": "^10.3.5",
"ioredis": "^5.3.2",
"js-yaml": "^4.1.0",
"jsdom": "^22.1.0",
"lodash": "^4.17.21",
@ -118,7 +119,6 @@
"react-swipeable-views": "^0.14.0",
"react-textarea-autosize": "^8.4.1",
"react-toggle": "^4.1.3",
"redis": "^4.6.5",
"redux": "^4.2.1",
"redux-immutable": "^4.0.0",
"redux-thunk": "^2.4.2",

82
streaming/index.js
View File

@ -6,12 +6,12 @@ const url = require('url');
const dotenv = require('dotenv');
const express = require('express');
const Redis = require('ioredis');
const { JSDOM } = require('jsdom');
const log = require('npmlog');
const pg = require('pg');
const dbUrlToConfig = require('pg-connection-string').parse;
const metrics = require('prom-client');
const redis = require('redis');
const uuid = require('uuid');
const WebSocket = require('ws');
@ -24,30 +24,12 @@ dotenv.config({
log.level = process.env.LOG_LEVEL || 'verbose';
/**
* @param {Object.<string, any>} defaultConfig
* @param {string} redisUrl
* @param {Object.<string, any>} config
*/
const redisUrlToClient = async (defaultConfig, redisUrl) => {
const config = defaultConfig;
let client;
if (!redisUrl) {
client = redis.createClient(config);
} else if (redisUrl.startsWith('unix://')) {
client = redis.createClient(Object.assign(config, {
socket: {
path: redisUrl.slice(7),
},
}));
} else {
client = redis.createClient(Object.assign(config, {
url: redisUrl,
}));
}
const createRedisClient = async (config) => {
const { redisParams, redisUrl } = config;
const client = new Redis(redisUrl, redisParams);
client.on('error', (err) => log.error('Redis Client Error!', err));
await client.connect();
return client;
};
@ -147,23 +129,22 @@ const pgConfigFromEnv = (env) => {
* @returns {Object.<string, any>} configuration for the Redis connection
*/
const redisConfigFromEnv = (env) => {
const redisNamespace = env.REDIS_NAMESPACE || null;
// ioredis *can* transparently add prefixes for us, but it doesn't *in some cases*,
// which means we can't use it. But this is something that should be looked into.
const redisPrefix = env.REDIS_NAMESPACE ? `${env.REDIS_NAMESPACE}:` : '';
const redisParams = {
socket: {
host: env.REDIS_HOST || '127.0.0.1',
port: env.REDIS_PORT || 6379,
},
database: env.REDIS_DB || 0,
host: env.REDIS_HOST || '127.0.0.1',
port: env.REDIS_PORT || 6379,
db: env.REDIS_DB || 0,
password: env.REDIS_PASSWORD || undefined,
};
if (redisNamespace) {
redisParams.namespace = redisNamespace;
// redisParams.path takes precedence over host and port.
if (env.REDIS_URL && env.REDIS_URL.startsWith('unix://')) {
redisParams.path = env.REDIS_URL.slice(7);
}
const redisPrefix = redisNamespace ? `${redisNamespace}:` : '';
return {
redisParams,
redisPrefix,
@ -179,15 +160,15 @@ const startServer = async () => {
const pgPool = new pg.Pool(pgConfigFromEnv(process.env));
const server = http.createServer(app);
const { redisParams, redisUrl, redisPrefix } = redisConfigFromEnv(process.env);
/**
* @type {Object.<string, Array.<function(Object<string, any>): void>>}
*/
const subs = {};
const redisSubscribeClient = await redisUrlToClient(redisParams, redisUrl);
const redisClient = await redisUrlToClient(redisParams, redisUrl);
const redisConfig = redisConfigFromEnv(process.env);
const redisSubscribeClient = await createRedisClient(redisConfig);
const redisClient = await createRedisClient(redisConfig);
const { redisPrefix } = redisConfig;
// Collect metrics from Node.js
metrics.collectDefaultMetrics();
@ -277,13 +258,13 @@ const startServer = async () => {
};
/**
* @param {string} message
* @param {string} channel
* @param {string} message
*/
const onRedisMessage = (message, channel) => {
const onRedisMessage = (channel, message) => {
const callbacks = subs[channel];
log.silly(`New message on channel ${channel}`);
log.silly(`New message on channel ${redisPrefix}${channel}`);
if (!callbacks) {
return;
@ -294,6 +275,7 @@ const startServer = async () => {
callbacks.forEach(callback => callback(json));
};
redisSubscribeClient.on("message", onRedisMessage);
/**
* @callback SubscriptionListener
@ -312,8 +294,14 @@ const startServer = async () => {
if (subs[channel].length === 0) {
log.verbose(`Subscribe ${channel}`);
redisSubscribeClient.subscribe(channel, onRedisMessage);
redisSubscriptions.inc();
redisSubscribeClient.subscribe(channel, (err, count) => {
if (err) {
log.error(`Error subscribing to ${channel}`);
}
else {
redisSubscriptions.set(count);
}
});
}
subs[channel].push(callback);
@ -334,8 +322,14 @@ const startServer = async () => {
if (subs[channel].length === 0) {
log.verbose(`Unsubscribe ${channel}`);
redisSubscribeClient.unsubscribe(channel);
redisSubscriptions.dec();
redisSubscribeClient.unsubscribe(channel, (err, count) => {
if (err) {
log.error(`Error unsubscribing to ${channel}`);
}
else {
redisSubscriptions.set(count);
}
});
delete subs[channel];
}
};

101
yarn.lock
View File

@ -1452,6 +1452,11 @@
resolved "https://registry.yarnpkg.com/@humanwhocodes/object-schema/-/object-schema-1.2.1.tgz#b520529ec21d8e5945a1851dfd1c32e94e39ff45"
integrity sha512-ZnQMnLV4e7hDlUvw8H+U8ASL02SS2Gn6+9Ac3wGGLIe7+je2AeAOxPY+izIPJDfFDb7eDjev0Us8MO1iFRN8hA==
"@ioredis/commands@^1.1.1":
version "1.2.0"
resolved "https://registry.yarnpkg.com/@ioredis/commands/-/commands-1.2.0.tgz#6d61b3097470af1fdbbe622795b8921d42018e11"
integrity sha512-Sx1pU8EM64o2BrqNpEO1CNLtKQwyhuXuqyfH7oGKCk+1a33d2r5saW8zNwm3j6BTExtjrv2BxTgzzkMwts6vGg==
"@isaacs/cliui@^8.0.2":
version "8.0.2"
resolved "https://registry.yarnpkg.com/@isaacs/cliui/-/cliui-8.0.2.tgz#b37667b7bc181c168782259bab42474fbf52b550"
@ -1786,40 +1791,6 @@
resolved "https://registry.yarnpkg.com/@rails/ujs/-/ujs-7.0.7.tgz#54af8d66160a8a7bf7d8f184703d2bf4b3fab914"
integrity sha512-J2v5Ca7HgejO7diGKiDylaVDQKmbQ5FJih6Oo3hXuBKEuXlcaccJu64lj8MNVLaPVyZx0g4gaOQZQz95QEb/hg==
"@redis/bloom@1.2.0":
version "1.2.0"
resolved "https://registry.yarnpkg.com/@redis/bloom/-/bloom-1.2.0.tgz#d3fd6d3c0af3ef92f26767b56414a370c7b63b71"
integrity sha512-HG2DFjYKbpNmVXsa0keLHp/3leGJz1mjh09f2RLGGLQZzSHpkmZWuwJbAvo3QcRY8p80m5+ZdXZdYOSBLlp7Cg==
"@redis/client@1.5.9":
version "1.5.9"
resolved "https://registry.yarnpkg.com/@redis/client/-/client-1.5.9.tgz#c4ee81bbfedb4f1d9c7c5e9859661b9388fb4021"
integrity sha512-SffgN+P1zdWJWSXBvJeynvEnmnZrYmtKSRW00xl8pOPFOMJjxRR9u0frSxJpPR6Y4V+k54blJjGW7FgxbTI7bQ==
dependencies:
cluster-key-slot "1.1.2"
generic-pool "3.9.0"
yallist "4.0.0"
"@redis/graph@1.1.0":
version "1.1.0"
resolved "https://registry.yarnpkg.com/@redis/graph/-/graph-1.1.0.tgz#cc2b82e5141a29ada2cce7d267a6b74baa6dd519"
integrity sha512-16yZWngxyXPd+MJxeSr0dqh2AIOi8j9yXKcKCwVaKDbH3HTuETpDVPcLujhFYVPtYrngSco31BUcSa9TH31Gqg==
"@redis/json@1.0.4":
version "1.0.4"
resolved "https://registry.yarnpkg.com/@redis/json/-/json-1.0.4.tgz#f372b5f93324e6ffb7f16aadcbcb4e5c3d39bda1"
integrity sha512-LUZE2Gdrhg0Rx7AN+cZkb1e6HjoSKaeeW8rYnt89Tly13GBI5eP4CwDVr+MY8BAYfCg4/N15OUrtLoona9uSgw==
"@redis/search@1.1.3":
version "1.1.3"
resolved "https://registry.yarnpkg.com/@redis/search/-/search-1.1.3.tgz#b5a6837522ce9028267fe6f50762a8bcfd2e998b"
integrity sha512-4Dg1JjvCevdiCBTZqjhKkGoC5/BcB7k9j99kdMnaXFXg8x4eyOIVg9487CMv7/BUVkFLZCaIh8ead9mU15DNng==
"@redis/time-series@1.0.5":
version "1.0.5"
resolved "https://registry.yarnpkg.com/@redis/time-series/-/time-series-1.0.5.tgz#a6d70ef7a0e71e083ea09b967df0a0ed742bc6ad"
integrity sha512-IFjIgTusQym2B5IZJG3XKr5llka7ey84fw/NOYqESP5WUfQs9zz1ww/9+qoz4ka/S6KcGBodzlCeZ5UImKbscg==
"@reduxjs/toolkit@^1.9.5":
version "1.9.5"
resolved "https://registry.yarnpkg.com/@reduxjs/toolkit/-/toolkit-1.9.5.tgz#d3987849c24189ca483baa7aa59386c8e52077c4"
@ -4111,7 +4082,7 @@ clone-deep@^4.0.1:
kind-of "^6.0.2"
shallow-clone "^3.0.0"
cluster-key-slot@1.1.2:
cluster-key-slot@^1.1.0:
version "1.1.2"
resolved "https://registry.yarnpkg.com/cluster-key-slot/-/cluster-key-slot-1.1.2.tgz#88ddaa46906e303b5de30d3153b7d9fe0a0c19ac"
integrity sha512-RMr0FhtfXemyinomL4hrWcYJxmX6deFdCxpJzhDttxgO1+bcCnkk+9drydLVDmAMG7NE6aN/fl4F7ucU/90gAA==
@ -4857,6 +4828,11 @@ delegates@^1.0.0:
resolved "https://registry.yarnpkg.com/delegates/-/delegates-1.0.0.tgz#84c6e159b81904fdca59a0ef44cd870d31250f9a"
integrity sha512-bd2L678uiWATM6m5Z1VzNCErI3jiGzt6HGY8OVICs40JQq/HALfbyNJmp0UDakEY4pMMaN0Ly5om/B1VI/+xfQ==
denque@^2.1.0:
version "2.1.0"
resolved "https://registry.yarnpkg.com/denque/-/denque-2.1.0.tgz#e93e1a6569fb5e66f16a3c2a2964617d349d6ab1"
integrity sha512-HVQE3AAb/pxF8fQAoiqpvg9i3evqug3hoiwakOyZAwJm+6vZehbkYXZ0l4JxS+I3QxM97v5aaRNhj8v5oBhekw==
depd@2.0.0:
version "2.0.0"
resolved "https://registry.yarnpkg.com/depd/-/depd-2.0.0.tgz#b696163cc757560d09cf22cc8fad1571b79e76df"
@ -6139,11 +6115,6 @@ gauge@^5.0.0:
strip-ansi "^6.0.1"
wide-align "^1.1.5"
generic-pool@3.9.0:
version "3.9.0"
resolved "https://registry.yarnpkg.com/generic-pool/-/generic-pool-3.9.0.tgz#36f4a678e963f4fdb8707eab050823abc4e8f5e4"
integrity sha512-hymDOu5B53XvN4QT9dBmZxPX4CWhBPPLguTZ9MMFeFa/Kg0xWVfylOVNlJji/E7yTZWFd/q9GO5TxDLq156D7g==
gensync@^1.0.0-beta.2:
version "1.0.0-beta.2"
resolved "https://registry.yarnpkg.com/gensync/-/gensync-1.0.0-beta.2.tgz#32a6ee76c3d7f52d46b2b1ae5d93fea8580a25e0"
@ -6823,6 +6794,21 @@ invariant@^2.2.2, invariant@^2.2.4:
dependencies:
loose-envify "^1.0.0"
ioredis@^5.3.2:
version "5.3.2"
resolved "https://registry.yarnpkg.com/ioredis/-/ioredis-5.3.2.tgz#9139f596f62fc9c72d873353ac5395bcf05709f7"
integrity sha512-1DKMMzlIHM02eBBVOFQ1+AolGjs6+xEcM4PDL7NqOS6szq7H9jSaEkIUH6/a5Hl241LzW6JLSiAbNvTQjUupUA==
dependencies:
"@ioredis/commands" "^1.1.1"
cluster-key-slot "^1.1.0"
debug "^4.3.4"
denque "^2.1.0"
lodash.defaults "^4.2.0"
lodash.isarguments "^3.1.0"
redis-errors "^1.2.0"
redis-parser "^3.0.0"
standard-as-callback "^2.1.0"
ip-regex@^2.1.0:
version "2.1.0"
resolved "https://registry.yarnpkg.com/ip-regex/-/ip-regex-2.1.0.tgz#fa78bf5d2e6913c911ce9f819ee5146bb6d844e9"
@ -10283,17 +10269,17 @@ redent@^4.0.0:
indent-string "^5.0.0"
strip-indent "^4.0.0"
redis@^4.6.5:
version "4.6.8"
resolved "https://registry.yarnpkg.com/redis/-/redis-4.6.8.tgz#54c5992e8a5ba512506fe9f53142cadc405547e7"
integrity sha512-S7qNkPUYrsofQ0ztWlTHSaK0Qqfl1y+WMIxrzeAGNG+9iUZB4HGeBgkHxE6uJJ6iXrkvLd1RVJ2nvu6H1sAzfQ==
redis-errors@^1.0.0, redis-errors@^1.2.0:
version "1.2.0"
resolved "https://registry.yarnpkg.com/redis-errors/-/redis-errors-1.2.0.tgz#eb62d2adb15e4eaf4610c04afe1529384250abad"
integrity sha512-1qny3OExCf0UvUV/5wpYKf2YwPcOqXzkwKKSmKHiE6ZMQs5heeE/c8eXK+PNllPvmjgAbfnsbpkGZWy8cBpn9w==
redis-parser@^3.0.0:
version "3.0.0"
resolved "https://registry.yarnpkg.com/redis-parser/-/redis-parser-3.0.0.tgz#b66d828cdcafe6b4b8a428a7def4c6bcac31c8b4"
integrity sha512-DJnGAeenTdpMEH6uAJRK/uiyEIH9WVsUmoLwzudwGJUwZPp80PDBWPHXSAGNPwNvIXAbe7MSUB1zQFugFml66A==
dependencies:
"@redis/bloom" "1.2.0"
"@redis/client" "1.5.9"
"@redis/graph" "1.1.0"
"@redis/json" "1.0.4"
"@redis/search" "1.1.3"
"@redis/time-series" "1.0.5"
redis-errors "^1.0.0"
redux-immutable@^4.0.0:
version "4.0.0"
@ -11211,6 +11197,11 @@ stacktrace-js@^2.0.2:
stack-generator "^2.0.5"
stacktrace-gps "^3.0.4"
standard-as-callback@^2.1.0:
version "2.1.0"
resolved "https://registry.yarnpkg.com/standard-as-callback/-/standard-as-callback-2.1.0.tgz#8953fc05359868a77b5b9739a665c5977bb7df45"
integrity sha512-qoRRSyROncaz1z0mvYqIE4lCd9p2R90i6GxW3uZv5ucSu8tU7B5HXUP1gG8pVZsYNVaXjk8ClXHPttLyxAL48A==
static-extend@^0.1.1:
version "0.1.2"
resolved "https://registry.yarnpkg.com/static-extend/-/static-extend-0.1.2.tgz#60809c39cbff55337226fd5e0b520f341f1fb5c6"
@ -12966,16 +12957,16 @@ y18n@^5.0.5:
resolved "https://registry.yarnpkg.com/y18n/-/y18n-5.0.8.tgz#7f4934d0f7ca8c56f95314939ddcd2dd91ce1d55"
integrity sha512-0pfFzegeDWJHJIAmTLRP2DwHjdF5s7jo9tuztdQxAhINCdvS+3nGINqPd00AphqJR/0LhANUS6/+7SCb98YOfA==
yallist@4.0.0, yallist@^4.0.0:
version "4.0.0"
resolved "https://registry.yarnpkg.com/yallist/-/yallist-4.0.0.tgz#9bb92790d9c0effec63be73519e11a35019a3a72"
integrity sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==
yallist@^3.0.2:
version "3.1.1"
resolved "https://registry.yarnpkg.com/yallist/-/yallist-3.1.1.tgz#dbb7daf9bfd8bac9ab45ebf602b8cbad0d5d08fd"
integrity sha512-a4UGQaWPH59mOXUYnAG2ewncQS4i4F43Tv3JoAM+s2VDAmS9NsK8GpDMLrCHPksFT7h3K6TOoUNn2pb7RoXx4g==
yallist@^4.0.0:
version "4.0.0"
resolved "https://registry.yarnpkg.com/yallist/-/yallist-4.0.0.tgz#9bb92790d9c0effec63be73519e11a35019a3a72"
integrity sha512-3wdGidZyq5PB084XLES5TpOSRA3wjXAlIWMhum2kRcv/41Sn2emQ0dycQW4uZXLejwKvg6EsvbdlVL+FYEct7A==
yaml@^1.10.0:
version "1.10.2"
resolved "https://registry.yarnpkg.com/yaml/-/yaml-1.10.2.tgz#2301c5ffbf12b467de8da2333a459e29e7920e4b"