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Environments stop being machines. Until now each box WAS an environment --
"beta" named both a deploy target and a host, "the desktop" named both the
operator's computer and the dev server -- so every path could assume one
environment per host and hardcode /opt/thermograph, /etc/thermograph.env and
ports 8137/8080. That assumption ends here:
vps1 75.119.132.91 Forgejo, Grafana/Loki, the portfolio site, and DEV
(own Postgres, mesh-only on 10.10.0.2:8137)
vps2 169.58.46.181 PROD and BETA as two Swarm stacks sharing one
TimescaleDB instance, plus Centralis, Postfix, backups
desktop AI model hosting + flex Swarm capacity, no environment
Nothing live has moved; the ordered cutover is in
infra/deploy/RUNBOOK-vps1-vps2-cutover.md.
deploy/env-topology.sh is the single source of truth: env -> host, checkout,
branch, deploy mode, stack name, env file, LB ports, DB role/database, service
prefix. THERMOGRAPH_ENV is the input, and on vps2 it is the only thing
distinguishing a beta deploy from a prod one -- deploy.sh refuses to run when it
disagrees with the checkout it was invoked from. The host-wide secrets-env and
deploy-mode markers survive only as a fallback for a single-environment box.
Beta gets its own stack file rather than an overlay (a merge cannot REMOVE the
db service, and beta having no database of its own is the point). Its services
are prefixed beta-*: Swarm registers a service's short name as a DNS alias on
every network it joins, so two stacks both calling a service `web` on the shared
data network would let prod's frontend resolve a beta task. Prod's stack, env
and LB config are untouched.
One Postgres, two databases with two roles: deploy/db/provision-env-db.sh
creates thermograph_beta (NOSUPERUSER, owns only its own database, CONNECT
revoked from PUBLIC) plus a <role>_ro for ad-hoc queries, and refuses to run for
the environment that owns the instance -- doing so would demote prod's bootstrap
superuser.
Fixes that co-residency would otherwise have broken silently:
- CI secrets are keyed by host (VPS1_SSH_*, VPS2_SSH_*). SSH_* meant "beta" and
also "the Forgejo box" because those shared a machine; that conflation is what
once had the prod backup dumping beta.
- The nightly backup dumps BOTH application databases to separate off-box
prefixes, and fails loudly on a missing one instead of skipping it.
- Alloy stopped deriving the `host` label from the node -- on vps2 that would
have filed every beta line as prod, feeding prod's alert rules with beta's
traffic. It is now derived per source, with a new `node` label for the machine,
and beta's log volume is mounted via a vps2-only overlay.
- ops/dbq.sh, ops/iceberg.sh and the secrets seed scripts derived their SSH
target and env-file path from the topology instead of hardcoding beta to
75.119.132.91 -- which is vps1's address now.
- Dev's overlay binds DEV_BIND_ADDR (loopback by default, the mesh address on
vps1) instead of 0.0.0.0: correct for a home LAN box, a public exposure of
unreviewed branches on a VPS.
Terraform's hosts variable is keyed by machine with a nested environments map,
and main.tf flattens (host, environment) pairs so two environments on one box
cannot share a checkout. Caddy's single reference config is split per host.
Docs, onboarding and the runbooks are updated throughout, including the security
rationales that co-residency makes false: separate SSH credentials no longer put
a host boundary between beta and prod, and the boundary that remains is the
database and the filesystem.
72 lines
2.2 KiB
YAML
72 lines
2.2 KiB
YAML
# Loki — the single log store for the whole Thermograph fleet: prod and beta
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# (both on vps2, as separate Swarm stacks) and dev (vps1, mesh-only, its own
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# compose project). Every node's Alloy agent pushes here over the WireGuard
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# mesh; Grafana reads from here. Single-binary, filesystem-backed: no object
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# storage, no clustering — right for a three-node hobby fleet, and everything
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# lives on one volume you can back up or blow away.
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auth_enabled: false
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server:
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http_listen_port: 3100
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grpc_listen_port: 9096
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log_level: warn
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common:
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instance_addr: 127.0.0.1
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path_prefix: /loki
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storage:
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filesystem:
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chunks_directory: /loki/chunks
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rules_directory: /loki/rules
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replication_factor: 1
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ring:
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kvstore:
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store: inmemory
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schema_config:
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configs:
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- from: 2024-01-01
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store: tsdb
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object_store: filesystem
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schema: v13
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index:
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prefix: index_
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period: 24h
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# 30 low-rate streams almost always hit chunk_idle_period (30m default) long before
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# they'd ever fill chunk_target_size, so chunks were flushed 1.98% full on average
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# (972 near-empty chunks for 30MB of actual log data). Give idle streams far longer
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# to accumulate before an idle flush, and cap age/size so a chunk still can't grow
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# unbounded.
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ingester:
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chunk_idle_period: 2h
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max_chunk_age: 12h
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chunk_target_size: 1572864
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chunk_encoding: snappy
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limits_config:
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# A hobby fleet's volume is tiny; keep 30 days and cap ingestion generously.
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retention_period: 720h
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reject_old_samples: true
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reject_old_samples_max_age: 168h
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max_query_series: 5000
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allow_structured_metadata: true
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volume_enabled: true
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# No explicit ingestion/stream limits meant Loki fell back to its (much stricter)
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# built-in defaults, which is why 25 pushes came back HTTP 429 with nothing in
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# this file explaining why. These are sized for a three-node hobby fleet, not the
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# multi-tenant defaults.
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ingestion_rate_mb: 8
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ingestion_burst_size_mb: 16
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per_stream_rate_limit: 3MB
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per_stream_rate_limit_burst: 10MB
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max_global_streams_per_user: 1000
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compactor:
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working_directory: /loki/compactor
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retention_enabled: true
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delete_request_store: filesystem
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# No analytics phone-home from a private box.
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analytics:
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reporting_enabled: false
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