Iain Sproat
45 lines
1.3 KiB
TypeScript
45 lines
1.3 KiB
TypeScript
import * as express from 'express'
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import { getServerInfo } from '@/modules/core/services/generic'
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import { createRedisClient } from '@/modules/shared/redis/redis'
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import { getRedisUrl } from '@/modules/shared/helpers/envHelper'
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import type { Redis } from 'ioredis'
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export default (app: express.Application) => {
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app.options('/liveness')
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app.get('/liveness', handleLiveness)
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app.options('/readiness')
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app.get('/readiness', handleLiveness) //TODO create a dedicated handler for readiness
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}
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const handleLiveness: express.RequestHandler = async (req, res) => {
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try {
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await getServerInfo()
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} catch (err) {
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req.log.error(err, 'Health check failed. Postgres is not available.')
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res.status(500).json({
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message: 'Postgres is not available',
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error: err
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})
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res.send()
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return
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}
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let client: Redis | undefined = undefined
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try {
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client = createRedisClient(getRedisUrl(), {})
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const redisRes = await client.ping()
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if (redisRes !== 'PONG') {
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res.status(500).json({
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message: 'Redis is not available'
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})
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req.log.error('Health check failed. Redis is not available.')
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} else {
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res.status(200).json({ message: 'OK' })
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req.log.trace('Health check passed.')
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}
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} finally {
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await client?.quit()
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res.send()
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}
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}
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