I have a large number of containers. I learned that the following
configuration can monitor a single container down. How to configure it to
monitor all containers and send the container name once a container is down.
- name: containers
rules:
- alert: jenkins_down
expr: absent(container_memory_usage_bytes{name="jenkins"})
for: 30s
labels:
severity: critical
annotations:
summary: "Jenkins down"
description: "Jenkins container is down for more than 30 seconds."
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