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.maintain/monitoring: Add alert when continuous task ends (#7250)

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* .maintain/monitoring: Add alert when continuous task ends

Through the `polkadot_tasks_ended_total` Prometheus metric one can tell
when a task ended. Use this metric to alert when specific
known-to-be-continuous tasks end on a node.

* .maintain/monitoring: Don't hard-code task names
This commit is contained in:
Max Inden
2020-10-05 10:40:24 +02:00
committed by GitHub
parent 400c9f7e5d
commit 0ff724c939
1 changed files with 10 additions and 0 deletions
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substrate/.maintain/monitoring/alerting-rules/alerting-rules.yaml
+10
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@@ -126,6 +126,16 @@ groups:
# Others
##############################################################################
- alert: ContinuousTaskEnded
expr: '(polkadot_tasks_spawned_total == 1) - on(instance, task_name)
(polkadot_tasks_ended_total == 1)'
for: 5m
labels:
severity: warning
annotations:
message: 'Continuous task {{ $labels.task_name }} on node
{{ $labels.instance }} ended unexpectedly.'
- alert: AuthorityDiscoveryDiscoveryFailureHigh
expr: 'polkadot_authority_discovery_handle_value_found_event_failure /
ignoring(name)