Argo Workflows exposes enough metrics to see whether workflows are backing up, CronWorkflows are firing, and the controller is keeping up, but raw /metrics output does not make any of that easy to read. This post covers argo-workflows-mixin, a Prometheus and Grafana mixin that adds two dashboards and a focused alert set for Argo Workflows.

The mixin is available on GitHub. It currently ships with two Grafana dashboards and four alert rules: