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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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ansible/roles/monitoring/templates/loki.env.j2 Normal file
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# Managed by Ansible (role monitoring).
S3_ACCESS_KEY={{ s3_access_key }}
S3_SECRET_KEY={{ s3_secret_key }}