Fix 'ceph_disk_occupation' query expressions #2812
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Need to address changes in 'ceph_disk_occupation' metric labels.
What is the change in 'ceph_disk_occupation' metric?
'ceph_disk_occupation' result no longer has 'exported_instance' label, instead it has 'instance' label.
What is the issue we are facing because of it?
We are hitting 'PrometheusRuleFailures' due to this new label change in our alerts / rules.
Second issue is that we are not seeing any results for some of the query expressions.
What is the solution?
Update the query expressions, change 'exported_instance' to 'instance'. Any 'label_replace' action which changes 'exported_instance' label to 'instance' label is no longer required (as the 'instance' label is directly available now)