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diff --git a/monitoring/ceph-mixin/tests_alerts/README.md b/monitoring/ceph-mixin/tests_alerts/README.md new file mode 100644 index 000000000..cf95fa636 --- /dev/null +++ b/monitoring/ceph-mixin/tests_alerts/README.md @@ -0,0 +1,92 @@ + +## Alert Rule Standards + +The alert rules should adhere to the following principles +- each alert must have a unique name +- each alert should define a common structure + - labels : must contain severity and type + - annotations : must provide description + - expr : must define the promql expression + - alert : defines the alert name +- alerts that have a corresponding section within docs.ceph.com must include a + documentation field in the annotations section +- critical alerts should declare an oid in the labels section +- critical alerts should have a corresponding entry in the Ceph MIB + + +## Testing Prometheus Rules +Once you have updated the `ceph_default_alerts.yml` file, you should use the +`validate_rules.py` script directly, or via `tox` to ensure the format of any update +or change aligns to our rule structure guidelines. The validate_rules.py script will +process the rules and look for any configuration anomalies and output a report if +problems are detected. + +Here's an example run, to illustrate the format and the kinds of issues detected. + +``` +[paul@myhost tests]$ ./validate_rules.py + +Checking rule groups + cluster health : .. + mon : E.W.. + osd : E...W......W.E.. + mds : WW + mgr : WW + pgs : ..WWWW.. + nodes : .EEEE + pools : EEEW. + healthchecks : . + cephadm : WW. + prometheus : W + rados : W + +Summary + +Rule file : ../alerts/ceph_default_alerts.yml +Unit Test file : test_alerts.yml + +Rule groups processed : 12 +Rules processed : 51 +Rule errors : 10 +Rule warnings : 16 +Rule name duplicates : 0 +Unit tests missing : 4 + +Problem Report + + Group Severity Alert Name Problem Description + ----- -------- ---------- ------------------- + cephadm Warning Cluster upgrade has failed critical level alert is missing an SNMP oid entry + cephadm Warning A daemon managed by cephadm is down critical level alert is missing an SNMP oid entry + mds Warning Ceph Filesystem damage detected critical level alert is missing an SNMP oid entry + mds Warning Ceph Filesystem switched to READ ONLY critical level alert is missing an SNMP oid entry + mgr Warning mgr module failure critical level alert is missing an SNMP oid entry + mgr Warning mgr prometheus module is not active critical level alert is missing an SNMP oid entry + mon Error Monitor down, quorum is at risk documentation link error: #mon-downwah not found on the page + mon Warning Ceph mon disk space critically low critical level alert is missing an SNMP oid entry + nodes Error network packets dropped invalid alert structure. Missing field: for + nodes Error network packet errors invalid alert structure. Missing field: for + nodes Error storage filling up invalid alert structure. Missing field: for + nodes Error MTU Mismatch invalid alert structure. Missing field: for + osd Error 10% OSDs down invalid alert structure. Missing field: for + osd Error Flapping OSD invalid alert structure. Missing field: for + osd Warning OSD Full critical level alert is missing an SNMP oid entry + osd Warning Too many devices predicted to fail critical level alert is missing an SNMP oid entry + pgs Warning Placement Group (PG) damaged critical level alert is missing an SNMP oid entry + pgs Warning Recovery at risk, cluster too full critical level alert is missing an SNMP oid entry + pgs Warning I/O blocked to some data critical level alert is missing an SNMP oid entry + pgs Warning Cluster too full, automatic data recovery impaired critical level alert is missing an SNMP oid entry + pools Error pool full invalid alert structure. Missing field: for + pools Error pool filling up (growth forecast) invalid alert structure. Missing field: for + pools Error Ceph pool is too full for recovery/rebalance invalid alert structure. Missing field: for + pools Warning Ceph pool is full - writes blocked critical level alert is missing an SNMP oid entry + prometheus Warning Scrape job is missing critical level alert is missing an SNMP oid entry + rados Warning Data not found/missing critical level alert is missing an SNMP oid entry + +Unit tests are incomplete. Tests missing for the following alerts; + - Placement Group (PG) damaged + - OSD Full + - storage filling up + - pool filling up (growth forecast) + +``` |