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Grouping

Mission Control may generate multiple related notifications within a short time window. Instead of sending each alert, you can use notification grouping to merge multiple events into a single message.

Example: When multiple Helm releases fail to upgrade because of a common unavailable dependency, you can use notification grouping to merge the notifications for all the affected helm releases into a single message.

The groupBy parameter lets you define how to group notifications. You can group by:

  • type (type of the config)
  • description
  • status_reason
  • label in the format label:app
  • tag in the format tag:namespace
apiVersion: mission-control.flanksource.com/v1
kind: Notification
metadata:
  name: config-health
spec:
  events:
    - config.unhealthy
    - config.warning
  waitFor: 2m
  waitForEvalPeriod: 30s
  groupBy:
    - label:app
  to:
    connection: connection://default/slack