May 2019
Intermediate to advanced
442 pages
11h 36m
English
Content preview from Hands-On Infrastructure Monitoring with Prometheus
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PromQL approach
The following query allows us to augment the node_exporter_build_info metric with yet another label, called nodename, which has information regarding the hostname running your Node Exporter pod.
In this example, we have the following instant vector:
node_exporter_build_info
This produces the following result:
node_exporter_build_info{branch="HEAD",endpoint="node-exporter",goversion="go1.11.2", instance="10.0.2.15:9100",job="node-exporter-service",namespace="monitoring", pod="node-exporter-r88r6",revision="f6f6194a436b9a63d0439abc585c76b19a206b21", service="node-exporter-service",version="0.17.0"} 1
We also have node_uname_info, which has the nodename label:
node_uname_info
This translates into the following code:
node_uname_info{domainname="(none)",endpoint="node-exporter", ...Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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