CDN Prometheus exporter

A very simple Prometheus exporter that exposes metrics from ArvanCloud CDN API as described in the documentation.

How-to

You can run the exporter using Docker:

docker run -d \
 -p 9786:9786 \
 -e DOMAINS=example.com,example.ir \
 -e API_KEY=TOKEN_HERE \
 r1cloud/cdn-exporter

Name	Description	Type	Default
`MODE`	metrics collector mode	enum(ACTIVE, PASSIVE)	PASSIVE
`PORT`	listening port	number	9786
`API_KEY`	your Arvan API-Key	string	-
`DOMAINS`	list of domain wants to scrape metrics	string or comma separate list	-
`UPDATE_INTERVAL`	update metrics interval (only valid in passive mode)	number(milliseconds)	30000
`BASE_URL`	Arvan base URL	string	https://napi.arvancloud.ir/cdn/4.0
`METRICS_PERIOD`	Arvan report period	enum(1h, 3h, 6h, 12h, 24h, 7d, 30d)	3h
`METRICS_PREFIX`	exported metrics prefix	string	`arvancloud_cdn_`
`METRICS`	list of metrics wants to scrape ( Select from ID fields )	string or comma separate list	`all`

The exporter exposes the following metrics, all returned per PoP:

Name	ID	Description	Type
`arvancloud_cdn_update_metrics_error`	-	number of exporter errors	counter
`arvancloud_cdn_requests`	`traffic`	number of requests	gauge
`arvancloud_cdn_traffic`	`traffic`	traffic served by ArvanCloud	gauge
`arvancloud_cdn_visitors`	`visitors`	number of unique visitors	gauge
`arvancloud_cdn_high_request_ips`	`high-request-ips`	high request ips	gauge
`arvancloud_cdn_requests_by_country`	`geo`	number of request by country	gauge
`arvancloud_cdn_traffic_by_country`	`geo`	traffic by country	gauge
`arvancloud_cdn_response_time`	`response-time`	response time	gauge
`arvancloud_cdn_requests_by_status`	`status-code`	number of request by HTTP status code	gauge

Note: The high-request-ips metric is available in Professional plan and higher.