parsing YAML file /etc/config/prometheus.yml: yaml: line 160: mapping values are not allowed in this

本文探讨了Prometheus配置中ConfigMap缺少换行符的问题及其解决方案,包括正确的部署与编辑方法。此外,还讨论了Prometheus仅抓取自身指标而非其他目标的原因,可能与RBAC权限设置有关。

The problem is that the configmap is missing a linebreak.

        target_label: kubernetes_pod_namealerting:
      alertmanagers:

needs to be

        target_label: kubernetes_pod_name
    alerting:
      alertmanagers:

Deploy prometheus, and then run

kubectl edit configmap prometheus-prometheus-server

Remember to add correct indentation. Then save, and prometheus will start.

The problem is that prometheus only scrape itself for some reason. It ignores the other targets in the configmap. I think its because prometheus doesnt have access rights (RBAC) to anything but itself.

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