init

src/functions/cronTrigger.js

@@ -0,0 +1,57 @@
+import config from '../../config.yaml'
+
+import { setKV, getKV, getKVWithMetadata, gcMonitors } from './helpers'
+
+export async function processCronTrigger(event) {
+  for (const monitor of config.monitors) {
+    console.log(`Checking ${monitor.name} ...`)
+
+    const init = {
+      method: monitor.method || 'GET',
+      redirect: monitor.followRedirect ? 'follow' : 'manual',
+      headers: {
+        'User-Agent': 'cf-worker-status-page',
+      },
+    }
+
+    const response = await fetch(monitor.url, init)
+    const monitorOperational = response.status === (monitor.expectStatus || 200)
+    const kvMonitor = await getKVWithMetadata('s_' + monitor.id)
+
+    // metadata from monitor settings
+    const metadata = {
+      operational: monitorOperational,
+      statusCode: response.status,
+      id: monitor.id,
+    }
+
+    // write current status if status changed or for first time
+    if (
+      !kvMonitor.metadata ||
+      kvMonitor.metadata.operational !== monitorOperational
+    ) {
+      console.log('saving new results..')
+
+      if (typeof SECRET_SLACK_WEBHOOK !== 'undefined') {
+        await notifySlack(metadata)
+      }
+
+      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)
+    }
+
+    await setKV('lastUpdate', Date.now())
+  }
+  await gcMonitors(config)
+
+  return new Response('OK')
+}