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alertmanager: dedicated OCB channel routing #1008

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Merged
Flotapponnier merged 1 commit into from
Jul 8, 2026
Merged

alertmanager: dedicated OCB channel routing #1008

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18 changes: 17 additions & 1 deletion infrastructure/monitoring/alertmanager/alertmanager.yml.tmpl
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Original file line number Diff line number Diff line change
Expand Up @@ -6,9 +6,25 @@ route:
group_wait: 10s
group_interval: 30s
repeat_interval: 5m
receiver: 'slack-webhook'
# Default: dedicated OCB Slack channel (direct incoming webhook).
receiver: 'slack-direct'
routes:
# Aggregator-latency alerts keep their historical channel via the
# internal relay (#alerting-aggregator-latency).
- matchers:
- app = "aggregator_latency_monitor"
receiver: 'slack-webhook'

receivers:
- name: 'slack-direct'
slack_configs:
- api_url: '${SLACK_WEBHOOK_URL}'
send_resolved: true
title: '{{ if eq .Status "firing" }}⚠️{{ else }}✅{{ end }} {{ .CommonLabels.alertname }}'
text: |
{{ range .Alerts }}*{{ .Annotations.summary }}*
{{ .Annotations.description }}
{{ end }}
- name: 'slack-webhook'
webhook_configs:
- url: '${ALERT_WEBHOOK_URL}'
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7 changes: 6 additions & 1 deletion infrastructure/monitoring/alertmanager/entrypoint.sh
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Expand Up @@ -12,7 +12,12 @@ if [ -z "$ALERT_WEBHOOK_URL" ]; then
echo "WARNING: ALERT_WEBHOOK_URL not set — alerts will be dropped by the webhook receiver."
fi

sed "s|\${ALERT_WEBHOOK_URL}|${ALERT_WEBHOOK_URL}|g" \
if [ -z "$SLACK_WEBHOOK_URL" ]; then
echo "WARNING: SLACK_WEBHOOK_URL not set — default receiver will drop alerts."
fi

sed -e "s|\${ALERT_WEBHOOK_URL}|${ALERT_WEBHOOK_URL}|g" \
-e "s|\${SLACK_WEBHOOK_URL}|${SLACK_WEBHOOK_URL}|g" \
/etc/alertmanager/alertmanager.yml.tmpl \
> /etc/alertmanager/alertmanager.yml

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