~$ curl -s localhost:9090/api/v1/targets | jq '.data.activeTargets[] \ 
   | .scrapeUrl + ": " + .health'
"http://3.120.159.51:9100/metrics: up"
"http://52.59.255.249:9100/metrics: up"
"http://3.121.233.104:9100/metrics: up"
"http://localhost:9090/metrics: up"
