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monitoring: keep Loki chunks in S3, 90 days of logs and metrics
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ops has 12 GB free on a 38 GB disk and the Traefik access log alone
is ~600 MB, so logs can't grow there. From 2026-11-14 Loki writes
chunks and index to Hetzner Object Storage (asxpio-loki-main, hel1)
with the existing project key, passed through loki.env and
-config.expand-env. Today's filesystem period ages out by retention.

Log retention goes from 14 to 90 days. Prometheus metrics are small
(~20 MB so far) and stay local, now for 90 days instead of 30.

Assisted-by: Claude:opus-5-5
This commit is contained in:
Sergei Poljanski 2026-11-13 07:04:00 +04:00
commit 27d4b73eb0
Signed by: asxpi
GPG key ID: 4F8851660FA4121B
6 changed files with 27 additions and 4 deletions
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4
ansible/inventory/group_vars/all/monitoring.yaml
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@ -19,8 +19,8 @@ monitoring_blackbox_version: "v0.29.1"
# renovate: datasource=docker depName=quay.io/prometheuscommunity/postgres-exporter
monitoring_postgres_exporter_version: "v0.20.1"
monitoring_metrics_retention: 30d
monitoring_logs_retention: 336h # 14 days
monitoring_metrics_retention: 90d
monitoring_logs_retention: 2160h # 90 days, chunks in S3 (asxpio-loki-main)
monitoring_alert_email: me@asxp.io
# Agents listen on the host's VPC address only