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Alertmanager

Alertmanager handles alerts sent by client applications such as the Prometheus server. It takes care of deduplicating, grouping, and routing them to the correct receiver integration such as email, PagerDuty, or OpsGenie. It also takes care of silencing and inhibition of alerts.

  1. Update data."config.yml" in alertmanager.ConfigMap.yaml with your Alertmanager configuration.

  2. Update alertmanager.Deployment.yaml with the URL to your Alertmanager instance.

    ALERT_MANAGER_URL="https://alertmanager.example.com" # update this url
AD=configure/prometheus/alertmanager/alertmanager.Deployment.yaml
cat $AD | yj | jq "(.spec.template.spec.containers[] | select(.name == \"alertmanager\") | .args) |= (. + [\"--web.external-url=$ALERT_MANAGER_URL\"] | unique)" | jy -o $AD

  3. Update prometheus.Deployment.yaml with the URL to your Alertmanager instance.

    ALERT_MANAGER_URL="https://alertmanager.example.com" # update this url
PD=base/prometheus/prometheus.Deployment.yaml
cat $PD | yj | jq "(.spec.template.spec.containers[] | select(.name == \"prometheus\") | .args) |= (. + [\"--web.external-url=$ALERT_MANAGER_URL\"] | unique)" | jy -o $PD

  4. Apply the Alertmanager resources to your cluster.

    kubectl apply --prune -l deploy=alertmanager -f configure/prometheus/alertmanager --recursive

  5. Apply the Prometheus resources to your cluster.

    kubectl apply --prune -l deploy=sourcegraph -f base/prometheus --recursive