Commit graph

17 commits

Author SHA1 Message Date
Viktor Barzin
702db75f84 [redis] Stabilise patch_redis_service trigger + document service naming
## Context

`null_resource.patch_redis_service` uses `triggers = { always = timestamp() }`,
so every `scripts/tg plan` on `stacks/redis` reports `1 to destroy, 1 to add`
even when nothing has changed. That noise hides real drift in the signal and
trains us to ignore redis-stack plans — which is exactly what you don't want
on a load-bearing patch.

The patch itself is still load-bearing (three consumers hard-code bare
`redis.redis.svc.cluster.local` — `stacks/immich/chart_values.tpl:12`,
`stacks/ytdlp/yt-highlights/app/main.py:136`, `config.tfvars:214` — plus
Bitnami's own sentinel scripts set `REDIS_SERVICE=redis.redis.svc.cluster.local`
and call it during pod startup). Removing the null_resource is a follow-up
(beads T0) once those consumers migrate to `redis-master.redis.svc`. For now
the goal is just: stop being noisy.

## This change

1. Replace the `always = timestamp()` trigger with two inputs that only change
   when re-patching is genuinely required:
   - `chart_version = helm_release.redis.version` — changes only on a Bitnami
     chart version bump, which is the one code path that rewrites the `redis`
     Service selector back to `component=node`.
   - `haproxy_config = sha256(kubernetes_config_map.haproxy.data["haproxy.cfg"])`
     — changes only when HAProxy config is edited; aligned with the existing
     `checksum/config` annotation that rolls the Deployment on config change.

   Both attributes are known at plan time (verified against `hashicorp/helm`
   v3.1.1 provider binary). Rejected alternatives — `metadata[0].revision`
   (not exposed in the plugin-framework v3 rewrite), `sha256(jsonencode(values))`
   (readability unverified on v3), and `kubernetes_deployment.haproxy.id`
   (static `namespace/name`, never changes) — don't meet the bar.

2. Add a **Redis Service Naming** section to `AGENTS.md` that explicitly
   states the write/sentinel/avoid endpoints, so new consumers start from
   `redis-master.redis.svc` (the documented `var.redis_host`) and long-lived
   connections (PUBSUB, BLPOP, Sidekiq) route around HAProxy's `timeout
   client 30s` via the sentinel headless path. Uptime Kuma's Redis monitor
   already learned that lesson the hard way (memory id=748).

## What is NOT in this change

- Deleting `null_resource.patch_redis_service` — still load-bearing (T0).
- Deleting `kubernetes_service.redis_master` — stays as the declared write API.
- Migrating any consumer off bare `redis.redis.svc` — T0 epic.
- Per-client sentinel migration — T1 epic.
- Retiring HAProxy — T2 epic (blocked on T1 + T3).

## Before / after

Before (steady state):
```
scripts/tg plan
Plan: 1 to add, 2 to change, 1 to destroy.
#   null_resource.patch_redis_service must be replaced
#     triggers = { "always" = "<timestamp>" } -> (known after apply)
```

After (steady state, post-apply):
```
scripts/tg plan
No changes. Your infrastructure matches the configuration.
```

After (chart version bump):
```
scripts/tg plan
#   null_resource.patch_redis_service must be replaced
#     triggers = { "chart_version" = "25.3.2" -> "25.4.0" }
```
— the trigger fires only when it actually needs to.

## Test Plan

### Automated

`scripts/tg plan` pre-change (confirms baseline noise):
```
# module.redis.null_resource.patch_redis_service must be replaced
-/+ resource "null_resource" "patch_redis_service" {
    ~ triggers = { # forces replacement
        ~ "always" = "2026-04-19T10:39:40Z" -> (known after apply)
      }
  }
Plan: 1 to add, 2 to change, 1 to destroy.
```

`scripts/tg plan` post-edit (confirms the one-time structural replacement):
```
# module.redis.null_resource.patch_redis_service must be replaced
-/+ resource "null_resource" "patch_redis_service" {
    ~ triggers = { # forces replacement
        - "always"         = "2026-04-19T10:39:40Z" -> null
        + "chart_version"  = "25.3.2"
        + "haproxy_config" = "989bca9483cb9f9942017320765ec0751ac8357ff447acc5ed11f0a14b609775"
      }
  }
```

Apply is deferred to the operator — the working tree on the same file also
contains an unrelated HAProxy DNS-resolvers fix (for today's immich outage)
that needs its own review before rolling out together. No `scripts/tg apply`
run from this session.

### Manual Verification

Reproduce locally:
1. `cd infra/stacks/redis && ../../scripts/tg plan`
2. Before apply: expect `null_resource.patch_redis_service` to be replaced
   exactly once, with the trigger map transitioning from `{always = <ts>}`
   to `{chart_version, haproxy_config}`.
3. After apply: `../../scripts/tg plan` twice in a row must both report
   `No changes.` (excluding unrelated drift from other work-in-progress).
4. Cluster-side invariant (must hold pre- and post-apply):
   `kubectl -n redis get svc redis -o jsonpath='{.spec.selector}'`
   → `{"app":"redis-haproxy"}`
   `kubectl -n redis get svc redis-master -o jsonpath='{.spec.selector}'`
   → `{"app":"redis-haproxy"}`
5. Regression test for the trigger doing its job: bump `helm_release.redis.version`
   in a branch, `tg plan`, expect the null_resource to replace. Revert.
2026-04-19 12:17:52 +00:00
Viktor Barzin
8a99be1194 [infra] Document HCL import {} block convention [ci skip]
## Context

Wave 8 of the state-drift consolidation plan — adopt the HCL `import {}`
block pattern (Terraform 1.5+) as the canonical way to bring live
cluster / Vault / Cloudflare resources under TF management.

Historically the repo has used `terraform import` on the CLI for
adoptions. That path has three real problems:

1. **Not reviewable** — it's an out-of-band state mutation that leaves
   no trace in git beyond the subsequent `resource {}` block. A
   reviewer sees only the new resource, not the adoption intent.
2. **Not plan-safe** — if the resource address or ID is wrong, the CLI
   path commits the mistake to state before anyone can catch it.
3. **Not idempotent** — a failed apply mid-import leaves state in a
   confusing half-adopted shape.

`import {}` blocks fix all three: the adoption intent is in the PR
diff, `scripts/tg plan` shows the import as its own plan line (mistyped
IDs fail before apply), and re-applying after a partial failure just
retries the import step.

Canonicalizing the pattern before Wave 5 (Calico + kured adoption) lands
so the reviewer of those imports has the rule in front of them.

## This change

- `AGENTS.md`: new "Adopting Existing Resources — Use `import {}` Blocks,
  Not the CLI" section sitting right after Execution. Includes the
  canonical 5-step workflow (write resource → add import stanza → plan
  to zero → apply → drop stanza), the reasoning, and a per-provider ID
  format table (helm_release, kubernetes_manifest, kubernetes_<kind>_v1,
  authentik_provider_proxy, cloudflare_record).
- `.claude/CLAUDE.md`: one-line cross-reference at the end of the
  Terraform State two-tier section pointing back to AGENTS.md. Keeps
  CLAUDE.md's quick-reference density intact while making sure the rule
  is reachable from the Claude-instructions path.

## What is NOT in this change

- Any actual imports — this is a pure docs landing. Wave 5 will
  demonstrate the pattern on kured + Calico.
- Replacing the handful of existing `terraform import`-style adoptions
  in the repo history — `import {}` blocks are delete-after-apply, so
  retro-documenting them is not useful.

Closes: code-[wave8-task]

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-18 21:10:05 +00:00
Viktor Barzin
c9d221d578 [infra] Establish KYVERNO_LIFECYCLE_V1 drift-suppression convention [ci skip]
## Context

Phase 1 of the state-drift consolidation audit (plan Wave 3) identified that
the entire repo leans on a repeated `lifecycle { ignore_changes = [...dns_config] }`
snippet to suppress Kyverno's admission-webhook dns_config mutation (the ndots=2
override that prevents NxDomain search-domain flooding). 27 occurrences across
19 stacks. Without this suppression, every pod-owning resource shows perpetual
TF plan drift.

The original plan proposed a shared `modules/kubernetes/kyverno_lifecycle/`
module emitting the ignore-paths list as an output that stacks would consume in
their `ignore_changes` blocks. That approach is architecturally impossible:
Terraform's `ignore_changes` meta-argument accepts only static attribute paths
— it rejects module outputs, locals, variables, and any expression (the HCL
spec evaluates `lifecycle` before the regular expression graph). So a DRY
module cannot exist. The canonical pattern IS the repeated snippet.

What the snippet was missing was a *discoverability tag* so that (a) new
resources can be validated for compliance, (b) the existing 27 sites can be
grep'd in a single command, and (c) future maintainers understand the
convention rather than each reinventing it.

## This change

- Introduces `# KYVERNO_LIFECYCLE_V1` as the canonical marker comment.
  Attached inline on every `spec[0].template[0].spec[0].dns_config` line
  (or `spec[0].job_template[0].spec[0]...` for CronJobs) across all 27
  existing suppression sites.
- Documents the convention with rationale and copy-paste snippets in
  `AGENTS.md` → new "Kyverno Drift Suppression" section.
- Expands the existing `.claude/CLAUDE.md` Kyverno ndots note to reference
  the marker and explain why the module approach is blocked.
- Updates `_template/main.tf.example` so every new stack starts compliant.

## What is NOT in this change

- The `kubernetes_manifest` Kyverno annotation drift (beads `code-seq`)
  — that is Phase B with a sibling `# KYVERNO_MANIFEST_V1` marker.
- Behavioral changes — every `ignore_changes` list is byte-identical
  save for the inline comment.
- The fallback module the original plan anticipated — skipped because
  Terraform rejects expressions in `ignore_changes`.
- `terraform fmt` cleanup on adjacent unrelated blocks in three files
  (claude-agent-service, freedify/factory, hermes-agent). Reverted to
  keep this commit scoped to the convention rollout.

## Before / after

Before (cannot distinguish accidental-forgotten from intentional-convention):
```hcl
lifecycle {
  ignore_changes = [spec[0].template[0].spec[0].dns_config]
}
```

After (greppable, self-documenting, discoverable by tooling):
```hcl
lifecycle {
  ignore_changes = [spec[0].template[0].spec[0].dns_config] # KYVERNO_LIFECYCLE_V1
}
```

## Test Plan

### Automated
```
$ rg -c 'KYVERNO_LIFECYCLE_V1' stacks/ --include='*.tf' --include='*.tf.example' \
    | awk -F: '{s+=$2} END {print s}'
27

$ git diff --stat | grep -E '\.(tf|tf\.example|md)$' | wc -l
21

# All code-file diffs are 1 insertion + 1 deletion per marker site,
# except beads-server (3), ebooks (4), immich (3), uptime-kuma (2).
$ git diff --stat stacks/ | tail -1
20 files changed, 45 insertions(+), 28 deletions(-)
```

### Manual Verification

No apply required — HCL comments only. Zero effect on any stack's plan output.
Future audits: `rg 'KYVERNO_LIFECYCLE_V1' stacks/ | wc -l` must grow as new
pod-owning resources are added.

## Reproduce locally
1. `cd infra && git pull`
2. `rg 'KYVERNO_LIFECYCLE_V1' stacks/` → expect 27 hits in 19 files
3. Grep any new `kubernetes_deployment` for the marker; absence = missing
   suppression.

Closes: code-28m

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
2026-04-18 14:15:51 +00:00
Viktor Barzin
42f1c3cf4f [claude-agent-service] Migrate all pipelines from DevVM SSH to K8s HTTP
## Context

The claude-agent-service K8s pod (deployed 2026-04-15) provides an HTTP API
for running Claude headless agents. Three workflows still SSH'd to the DevVM
(10.0.10.10) to invoke `claude -p`. This eliminates that dependency.

## This change

Pipeline migrations (SSH → HTTP POST to claude-agent-service):
- `.woodpecker/issue-automation.yml` — Vault auth fetches API token instead
  of SSH key; curl POST /execute + poll /jobs/{id} replaces SSH invocation
- `scripts/postmortem-pipeline.sh` — same pattern; uses jq for safe JSON
  construction of TODO payloads
- `.woodpecker/postmortem-todos.yml` — drop openssh-client from apk install
- `stacks/n8n/workflows/diun-upgrade.json` — SSH node replaced with HTTP
  Request node; API token via $env.CLAUDE_AGENT_API_TOKEN (added to Vault
  secret/n8n)

Documentation updates:
- `docs/architecture/incident-response.md` — Mermaid diagram: DevVM → K8s
- `docs/architecture/automated-upgrades.md` — pipeline diagram + n8n action
- `AGENTS.md` — pipeline description updated

## What is NOT in this change

- DevVM decommissioning (still hosts terminal/foolery services)
- Removal of SSH key secrets from Vault (kept for rollback)
- n8n workflow import (must be done manually in n8n UI)

[ci skip]

Co-Authored-By: Claude Opus 4 (1M context) <noreply@anthropic.com>
2026-04-18 10:12:02 +00:00
Viktor Barzin
b1d152be1f [infra] Auto-create Cloudflare DNS records from ingress_factory
## Context

Deploying new services required manually adding hostnames to
cloudflare_proxied_names/cloudflare_non_proxied_names in config.tfvars —
a separate file from the service stack. This was frequently forgotten,
leaving services unreachable externally.

## This change:

- Add `dns_type` parameter to `ingress_factory` and `reverse_proxy/factory`
  modules. Setting `dns_type = "proxied"` or `"non-proxied"` auto-creates
  the Cloudflare DNS record (CNAME to tunnel or A/AAAA to public IP).
- Simplify cloudflared tunnel from 100 per-hostname rules to wildcard
  `*.viktorbarzin.me → Traefik`. Traefik still handles host-based routing.
- Add global Cloudflare provider via terragrunt.hcl (separate
  cloudflare_provider.tf with Vault-sourced API key).
- Migrate 118 hostnames from centralized config.tfvars to per-service
  dns_type. 17 hostnames remain centrally managed (Helm ingresses,
  special cases).
- Update docs, AGENTS.md, CLAUDE.md, dns.md runbook.

```
BEFORE                          AFTER
config.tfvars (manual list)     stacks/<svc>/main.tf
        |                         module "ingress" {
        v                           dns_type = "proxied"
stacks/cloudflared/               }
  for_each = list                     |
  cloudflare_record               auto-creates
  tunnel per-hostname             cloudflare_record + annotation
```

## What is NOT in this change:

- Uptime Kuma monitor migration (still reads from config.tfvars)
- 17 remaining centrally-managed hostnames (Helm, special cases)
- Removal of allow_overwrite (keep until migration confirmed stable)

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-16 13:45:04 +00:00
Viktor Barzin
c33f597111 feat(upgrade-agent): add automated service upgrade pipeline with n8n + DIUN
Pipeline: DIUN detects new image versions every 6h → webhook to n8n →
n8n filters (skip databases/custom/infra/:latest) and rate-limits
(max 5/6h) → SSH to dev VM → claude -p runs upgrade agent.

Agent workflow: resolve GitHub repo → fetch changelogs → classify risk
(SAFE/CAUTION) → backup DB if needed → bump version in .tf → commit+push
→ wait for CI → verify (pod ready + HTTP + Uptime Kuma) → rollback on
failure.

Changes:
- stacks/n8n: add N8N_PORT=5678 to fix K8s env var conflict
- stacks/n8n/workflows: version-controlled n8n workflow backup
- docs/architecture/automated-upgrades.md: full pipeline documentation
- AGENTS.md: add upgrade agent section
- service-catalog.md: update DIUN description

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-15 21:38:27 +00:00
Viktor Barzin
dcc96f465e docs(storage): add encrypted LVM documentation
Update storage docs to reflect the 2026-04-15 migration of all sensitive
services to proxmox-lvm-encrypted. Add encrypted PVC template, LUKS2 flow
documentation, updated architecture diagram, and storage class decision
rules.

Files updated:
- .claude/CLAUDE.md: storage decision table, encrypted PVC template
- docs/architecture/storage.md: encrypted flow, components, diagram, Vault paths
- AGENTS.md: storage section with encrypted SC as default for sensitive data

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-15 21:00:37 +00:00
Viktor Barzin
1ef40daeec docs: update for MySQL 3→1, CrowdSec/Technitium PG migration, PG tuning, NFS async, node OS tuning [ci skip] 2026-04-13 23:05:46 +01:00
Viktor Barzin
82f674a0b4 rename weekly-backup → daily-backup across scripts, timers, services, and docs [ci skip]
Reflects the schedule change from weekly to daily. All references updated:
- scripts/weekly-backup.{sh,timer,service} → daily-backup.*
- Pushgateway job name: weekly-backup → daily-backup
- Prometheus metric names: weekly_backup_* → daily_backup_*
- All docs, runbooks, AGENTS.md, CLAUDE.md, proxmox-inventory
- offsite-sync dependency: After=daily-backup.service

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-13 18:37:04 +00:00
Viktor Barzin
b45cee5c4a docs: update backup architecture for inotify change tracking + consolidated Synology layout [ci skip]
Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-13 18:16:36 +00:00
Viktor Barzin
38d51ab0af deprecate TrueNAS: migrate Immich NFS to Proxmox, remove all 10.0.10.15 references [ci skip]
- Migrate Immich (8 NFS PVs, 1.1TB) from TrueNAS to Proxmox host NFS
- Update config.tfvars nfs_server to 192.168.1.127 (Proxmox)
- Update nfs-csi StorageClass share to /srv/nfs
- Update scripts (weekly-backup, cluster-healthcheck) to Proxmox IP
- Delete obsolete TrueNAS scripts (nfs_exports.sh, truenas-status.sh)
- Rewrite nfs-health.sh for Proxmox NFS monitoring
- Update Freedify nfs_music_server default to Proxmox
- Mark CloudSync monitor CronJob as deprecated
- Update Prometheus alert summaries
- Update all architecture docs, AGENTS.md, and reference docs
- Zero PVs remain on TrueNAS — VM ready for decommission

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
2026-04-13 14:42:07 +00:00
Viktor Barzin
6ba4878f3a docs: update storage architecture for NFS migration to Proxmox host [ci skip] 2026-04-11 17:00:10 +01:00
Viktor Barzin
fc233bd27f docs: comprehensive audit and update of all architecture docs and runbooks [ci skip]
Audited 14 documentation files against live cluster state and Terraform code.

Architecture docs:
- databases.md: MySQL 8.4.4, proxmox-lvm storage (not iSCSI), anti-affinity
  excludes k8s-node1 (GPU), 2Gi/3Gi resources, 7-day rotation (not 24h),
  CNPG 2 instances, PostGIS 16, postgresql.dbaas has endpoints
- overview.md: 1x CPU, ~160GB RAM, all nodes 32GB, proxmox-lvm storage,
  correct Vault paths (secret/ not kv/)
- compute.md: 272GB physical host RAM, ~160GB allocated to VMs
- secrets.md: 7-day rotation, 7 MySQL + 5 PG roles, correct ESO config
- networking.md: MetalLB pool 10.0.20.200-220
- ci-cd.md: 9 GHA projects, travel_blog 5.7GB

Runbooks:
- restore-mysql/postgresql: backup files are .sql.gz (not .sql)
- restore-vault: weekly backup (not daily), auto-unseal sidecar note
- restore-vaultwarden: PVC is proxmox (not iscsi)
- restore-full-cluster: updated node roles, removed trading

Reference docs:
- CLAUDE.md: 7-day rotation, removed trading from PG list
- AGENTS.md: 100+ stacks, proxmox-lvm, platform empty shell
- service-catalog.md: 6 new stacks, 14 stack column updates
2026-04-06 13:21:05 +03:00
Viktor Barzin
307b7f6819 update claude knowledge: infra operational learnings from commit history [ci skip]
Add resource management patterns, networking resilience, service-specific
notes, monitoring patterns, and NFS storage rules extracted from ~963 commits.
2026-03-15 10:46:45 +00:00
Viktor Barzin
2fa8ba2038 [ci skip] add sealed secrets convention: fileset + kubernetes_manifest pattern
- Document sealed secrets workflow in AGENTS.md and CLAUDE.md
- Add kubernetes_manifest + fileset(sealed-*.yaml) block to plotting-book as reference
- Users: kubeseal encrypt → commit sealed-*.yaml → CI applies via Terraform
- E2E tested: seal/commit/plan/apply/decrypt cycle verified
2026-03-08 20:03:50 +00:00
Viktor Barzin
9f2ac0fd1a [ci skip] update AGENTS.md + CLAUDE.md with SOPS workflow, add k8s-portal CI pipeline
AGENTS.md: added SOPS secrets management section, scripts/tg usage,
contributor onboarding steps, pull-through cache bypass notes.

CLAUDE.md: added SOPS workflow note, linux/amd64 build reminder,
versioned tag guidance for pull-through cache.

CI: new .woodpecker/k8s-portal.yml pipeline — auto-builds and deploys
the k8s portal when files under stacks/platform/modules/k8s-portal/files/
change on master push. Uses buildx for linux/amd64.
2026-03-07 15:37:19 +00:00
Viktor Barzin
8d3db35b5e [ci skip] add AGENTS.md for model-agnostic knowledge, slim CLAUDE.md to Claude-specific layer
AGENTS.md (63 lines): shared infra knowledge for any AI tool (Codex, Claude,
Cursor). Covers: critical rules, architecture, storage, tiers, common ops.

CLAUDE.md (23 lines): Claude-specific addons — skills, agents, user preferences.
References AGENTS.md for shared knowledge.

Removed generic agents (devops-engineer, fullstack-developer).
2026-03-06 23:50:26 +00:00