feat: adding cloudflare exporter (#310)

README.md

@@ -71,7 +71,8 @@ Collection available here: **[https://awesome-prometheus-alerts.grep.to](https:/
 - [Juniper](https://awesome-prometheus-alerts.grep.to/rules#juniper)
 - [CoreDNS](https://awesome-prometheus-alerts.grep.to/rules#coredns)
 - [FreeSwitch](https://awesome-prometheus-alerts.grep.to/rules#freeswitch)
-- [Hashicorp Vault](https://awesome-prometheus-alerts.grep.to/rules#Hashicorp-Vault)
+- [Hashicorp Vault](https://awesome-prometheus-alerts.grep.to/rules#hashicorp-vault)
+- [Cloudflare](https://awesome-prometheus-alerts.grep.to/rules#cloudflare)
 
 #### Other
 

_data/rules.yml

@@ -2186,6 +2186,22 @@ groups:
                 severity: warning
                 for: 5m
 
+      - name: Cloudflare
+        exporters:
+          - name: lablabs/cloudflare-exporter
+            slug: lablabs-cloudflare-exporter
+            doc_url: https://github.com/lablabs/cloudflare-exporter
+            rules:
+              - name: Cloudflare http 4xx error rate
+                description: 'Cloudflare high HTTP 4xx error rate (> 5% for domain {{ $labels.zone }})'
+                query: '(sum by(zone) (rate(cloudflare_zone_requests_status{status=~"^4.."}[15m])) / on (zone) sum by (zone) (rate(cloudflare_zone_requests_status[15m]))) * 100 > 5'
+                severity: warning
+              - name: Cloudflare http 5xx error rate
+                description: 'Cloudflare high HTTP 5xx error rate (> 5% for domain {{ $labels.zone }})'
+                query: '(sum by (zone) (rate(cloudflare_zone_requests_status{status=~"^5.."}[5m])) / on (zone) sum by (zone) (rate(cloudflare_zone_requests_status[5m]))) * 100 > 5'
+                severity: critical
+
+
   - name: Other
     services:
       - name: Thanos