Algorithms, Blockchain and Cloud

Set Up Website Health Checks (Canaries) using CloudFlare

ACMer

In Software Testing, the Canaries is a piece of code that continuous sends requests to check the health of the service. It is like back in Coral mining, the canries are sent to the mine and if something goes wrong, the canaries will stop tweeting.

Using CloudFlare Pro, it is very easy to set up the canaries to check and monitor the health of the services given a URL e.g. API.

Add/Edit a Health Check Rule

In Traffic Tab, you’ll be able to add/edit health checks rules:

cloudflare-edit-health-checks

Specify the URL, the expected response code, and the expected text to search in the response. If anything goes wrong, you will get emails for notification:

cloudflare-email-notification-for-health-checks

With this feature, you’ll be able to see when your service breaks – much earlier indicator possibly than your customers figure out!

cloudflare-health-check-monitor

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