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chore(perf): save only failed days to KV storage

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This commit is contained in:
Adam Janis
2020-11-11 23:39:54 +01:00
parent e85c5766a7
commit c3af9db11a
5 changed files with 63 additions and 45 deletions
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52
src/functions/cronTrigger.js
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@ -1,6 +1,10 @@
import config from '../../config.yaml'
import { setKV, getKV, getKVWithMetadata, gcMonitors } from './helpers'
import { setKV, getKVWithMetadata, gcMonitors, getKV } from './helpers'
function getDate() {
return new Date().toISOString().split('T')[0]
}
export async function processCronTrigger(event) {
for (const monitor of config.monitors) {
@ -14,41 +18,43 @@ export async function processCronTrigger(event) {
},
}
const response = await fetch(monitor.url, init)
const monitorOperational = response.status === (monitor.expectStatus || 200)
const kvMonitor = await getKVWithMetadata('s_' + monitor.id)
const checkResponse = await fetch(monitor.url, init)
const kvState = await getKVWithMetadata('s_' + monitor.id)
// metadata from monitor settings
const metadata = {
operational: monitorOperational,
statusCode: response.status,
const newMetadata = {
operational: checkResponse.status === (monitor.expectStatus || 200),
id: monitor.id,
firstCheck: kvState.metadata ? kvState.metadata.firstCheck : getDate(),
}
// write current status if status changed or for first time
// Write current status if status changed or for first time
if (
!kvMonitor.metadata ||
kvMonitor.metadata.operational !== monitorOperational
!kvState.metadata ||
kvState.metadata.operational !== newMetadata.operational
) {
console.log('saving new results..')
console.log('Saving changed state..')
await setKV('s_' + monitor.id, null, newMetadata)
if (typeof SECRET_SLACK_WEBHOOK !== 'undefined') {
await notifySlack(metadata)
await notifySlack(monitor, newMetadata)
}
await setKV('s_' + monitor.id, null, metadata)
}
// check day status, write only on not operational or for first time
const kvDayStatusKey =
'h_' + monitor.id + '_' + new Date().toISOString().split('T')[0]
//console.log(kvDayStatusKey)
const kvDayStatus = await getKV(kvDayStatusKey)
if (!kvDayStatus || (kvDayStatus && !monitorOperational)) {
await setKV(kvDayStatusKey, null, metadata)
if (!newMetadata.operational) {
// try to get failed daily status first as KV read is cheaper than write
const kvFailedDayStatusKey = 'h_' + monitor.id + '_' + getDate()
const kvFailedDayStatus = await getKV(kvFailedDayStatusKey)
// write if not found
if (!kvFailedDayStatus) {
console.log('Saving new failed daily status..')
await setKV(kvFailedDayStatusKey, null)
}
}
}
// save last check timestamp
await setKV('lastUpdate', Date.now())
}
await gcMonitors(config)