Notifications

Notifications can be sent based on different type of events occuring including:

• Health check failing (check.failed)
• Aggregated health of a topology failing (component.unhealthy)
• A scraped config item health (config.unhealthy)

http-check.yaml
apiVersion: mission-control.flanksource.com/v1
kind: Notification
metadata:
  name: http-check
  namespace: default
spec:
  events:
    - check.passed
  filter: check.type == 'http'
  to:
    email: alerts@acme.com

Field	Description	Scheme	Required	Templatable
events		[]Event	true
to	Notification recipient	Recipient	true
title	Channel dependant e.g. subject for email	Go Template		true
template	Channel dependant e.g. email body for email	Go Template		true
filter	Filter out unwanted notifications	CEL

Recipient

Field	Description	Schema
person		UUID or email of a person
team	Every member of the team with an email will receive a notification	UUID or name of team
email	Send an email to an external user	email
connection	Connection to external service	connection
url	Custom notification URL	Channel
properties	Only applicable if url is specified	map[string]string

Only one recipient can be specified

Templating

Notification title and bodies can be templated using Go Templates

template-title.yaml
apiVersion: mission-control.flanksource.com/v1
kind: Notification
spec:
  title: Check {{.check.name}} is {{.check.health}}

Filtering

Notifications can be filtered using CEL expressions. The filters have access to same variables that can be used in the templates.

filter-http.yaml
---
# Only send a notification for HTTP checks
apiVersion: mission-control.flanksource.com/v1
kind: Notification
metadata:
  name: http-alerts
spec:
  events:
    - check.failed
  filter: check.type == 'http'
  to:
    connection: connection://slack/flanksource
  title: Check {{.check.name}} is {{.check.health}}