Hello, Ceph users, I am afraid the following question is a FAQ, but I still was not able to find the answer:I use ceph --status --format=json-pretty as a source of CEPH status for my Nagios monitoring. After upgrading to Luminous, I see the following in the JSON output when the cluster is not healthy: "summary": [ { "severity": "HEALTH_WARN", "summary": "'ceph health' JSON format has changed in luminous. If you see this your monitoring system is scraping the wrong fields. Disable this with 'mon health preluminous compat warning = false'" } ], Apart from that, the JSON data seems reasonable. My question is which part of JSON structure are the "wrong fields" I have to avoid. Is it just the "summary" section, or some other parts as well? Or should I avoid the whole ceph --status and use something different instead? What I want is a single machine-readable value with OK/WARNING/ERROR meaning, and a single human-readable text line, describing the most severe error condition which is currently present. What is the preferred way to get this data in Luminous? Thanks, -Yenya
Check this [1] changeset for ceph_dash and this [2] for check_ceph_dash. This should answer your question.
k [1] https://github.com/Crapworks/ceph-dash/pull/57/files [2] https://github.com/Crapworks/check_ceph_dash/pull/5/files
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