Prometheus SSL Exporter

Will get expiration of SSL certificates in Epoch time to be scraped by Prometheus, configured with a yaml file, see configs directory for example.

:9197/metrics example output

# TYPE ssl_expiration gauge
ssl_expiration{domain="https://google.com"} 1.53064278e+09
# HELP ssl_scrape_up Can we scrape the site
# TYPE ssl_scrape_up gauge
ssl_scrape_up{domain="https://asdfasdfasdfassdfasdf.com"} 0
ssl_scrape_up{domain="https://google.com"} 1

Environment Variables

	Debug         default false
	ListenAddress default :9197
	MetricsPath   default /metrics
	ConfigPath    default /etc/prometheus/exporters/ssl_exporter/

Prometheus Alert rule, if cert is set to expire in 30 days

ssl_expiration - time() < 86400 * 30