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119 lines
3.6 KiB
JavaScript

'use strict';
const nconf = require('nconf');
const semver = require('semver');
const connection = require('./redis/connection');
const redisModule = module.exports;
redisModule.questions = [
{
name: 'redis:host',
description: 'Host IP or address of your Redis instance',
default: nconf.get('redis:host') || '127.0.0.1',
},
{
name: 'redis:port',
description: 'Host port of your Redis instance',
default: nconf.get('redis:port') || 6379,
},
{
name: 'redis:password',
description: 'Password of your Redis database',
hidden: true,
default: nconf.get('redis:password') || '',
before: function (value) { value = value || nconf.get('redis:password') || ''; return value; },
},
{
name: 'redis:database',
description: 'Which database to use (0..n)',
default: nconf.get('redis:database') || 0,
},
];
redisModule.init = async function () {
redisModule.client = await connection.connect(nconf.get('redis'));
};
redisModule.createSessionStore = async function (options) {
const meta = require('../meta');
const sessionStore = require('connect-redis').default;
const client = await connection.connect(options);
const store = new sessionStore({
client: client,
ttl: meta.getSessionTTLSeconds(),
});
return store;
};
redisModule.checkCompatibility = async function () {
const info = await redisModule.info(redisModule.client);
await redisModule.checkCompatibilityVersion(info.redis_version);
};
redisModule.checkCompatibilityVersion = function (version, callback) {
if (semver.lt(version, '2.8.9')) {
callback(new Error('Your Redis version is not new enough to support NodeBB, please upgrade Redis to v2.8.9 or higher.'));
}
callback();
};
redisModule.close = async function () {
await redisModule.client.quit();
};
redisModule.info = async function (cxn) {
if (!cxn) {
cxn = await connection.connect(nconf.get('redis'));
}
redisModule.client = redisModule.client || cxn;
const data = await cxn.info();
const lines = data.toString().split('\r\n').sort();
const redisData = {};
lines.forEach((line) => {
const parts = line.split(':');
if (parts[1]) {
redisData[parts[0]] = parts[1];
}
});
const keyInfo = redisData[`db${nconf.get('redis:database')}`];
if (keyInfo) {
const split = keyInfo.split(',');
redisData.keys = (split[0] || '').replace('keys=', '');
redisData.expires = (split[1] || '').replace('expires=', '');
redisData.avg_ttl = (split[2] || '').replace('avg_ttl=', '');
}
redisData.instantaneous_input = (redisData.instantaneous_input_kbps / 1024).toFixed(3);
redisData.instantaneous_output = (redisData.instantaneous_output_kbps / 1024).toFixed(3);
redisData.total_net_input = (redisData.total_net_input_bytes / (1024 * 1024 * 1024)).toFixed(3);
redisData.total_net_output = (redisData.total_net_output_bytes / (1024 * 1024 * 1024)).toFixed(3);
redisData.used_memory_human = (redisData.used_memory / (1024 * 1024 * 1024)).toFixed(3);
redisData.raw = JSON.stringify(redisData, null, 4);
redisData.redis = true;
return redisData;
};
redisModule.socketAdapter = async function () {
const redisAdapter = require('@socket.io/redis-adapter');
const pub = await connection.connect(nconf.get('redis'));
const sub = await connection.connect(nconf.get('redis'));
return redisAdapter(pub, sub, {
key: `db:${nconf.get('redis:database')}:adapter_key`,
});
};
require('./redis/main')(redisModule);
require('./redis/hash')(redisModule);
require('./redis/sets')(redisModule);
require('./redis/sorted')(redisModule);
require('./redis/list')(redisModule);
require('./redis/transaction')(redisModule);
require('../promisify')(redisModule, ['client', 'sessionStore']);