The configuration of Alertmanager is stored in the prometheus:alertmanager
section of the Reclass model. For available configuration settings, see
the Alertmanager documentation.
To configure Alertmanager:
Log in to the Salt Master node.
Configure the prometheus:alertmanager section in the
classes/cluster/cluster_name/stacklight/server.yml file of the Reclass
model as required.
Apply the Salt formula:
salt -C 'I@docker:swarm:role:master and I@prometheus:server' state.sls prometheus.alertmanager
Example configuration:
prometheus:
alertmanager:
enabled: true
bind:
address: 0.0.0.0
port: 9093
config:
global:
resolve_timeout: 5m
route:
group_by: ['alertname', 'region', 'service']
group_wait: 60s
group_interval: 5m
repeat_interval: 3h
receiver: HTTP-notification
inhibit_rules:
- source_match:
severity: 'down'
target_match:
severity: 'critical'
equal: ['region', 'service']
- source_match:
severity: 'down'
target_match:
severity: 'warning'
equal: ['region', 'service']
- source_match:
severity: 'critical'
target_match:
severity: 'warning'
equal: ['alertname', 'region', 'service']
receivers:
- name: 'HTTP-notification'
webhook_configs:
- url: http://127.0.0.1
send_resolved: true