Erich Blume a8f4d00294 K8s Migration Phase 1: Infrastructure Setup (#29 )

## Summary
- Split k8s migration plan into phases folder for easier navigation
- Added `tag:k8s` to Pulumi ACLs for Kubernetes workloads
- Phase 1 work in progress

## Phase 1 Goals
- Tailscale Kubernetes Operator
- CloudNativePG Operator
- PostgreSQL cluster for future app migrations

## Deployment and Testing
- [ ] Review Phase 1 plan
- [ ] `mise run tailnet-preview` to verify ACL changes
- [ ] `mise run tailnet-up` to apply ACL changes
- [ ] Create Tailscale OAuth client (manual)
- [ ] Deploy operators and PostgreSQL cluster

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Reviewed-on: https://forge.tail8d86e.ts.net/eblume/blumeops/pulls/29

2026-01-19 09:49:52 -08:00

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Database Manifests

PostgreSQL clusters managed by CloudNativePG operator.

blumeops-pg

Single-instance PostgreSQL cluster for blumeops services.

Configuration

Instances: 1 (single-node for minikube)
Storage: 10Gi on standard storage class
Initial database: miniflux owned by miniflux user

Users/Roles

User	Role	Purpose	Password Source
postgres	superuser	CNPG internal (avoid using)	`blumeops-pg-superuser` secret
miniflux	app owner	Owns miniflux database	`blumeops-pg-app` secret
eblume	superuser	Admin access (matches brew pg)	`blumeops-pg-eblume` secret (manual)

Manual Secret Setup

Before deploying, create the eblume password secret:

# Create namespace first
kubectl create namespace databases

# Apply eblume password from 1Password
op inject -i argocd/manifests/databases/secret-eblume.yaml.tpl | kubectl apply -f -

The miniflux user password is auto-generated by CloudNativePG and stored in blumeops-pg-app.

Connection Information

After the cluster is healthy:

# Connect via Tailscale (temporary hostname during migration)
psql -h k8s-pg.tail8d86e.ts.net -U eblume -W -d miniflux

# Or with password from 1Password
PGPASSWORD=$(op --vault blumeops item get guxu3j7ajhjyey6xxl2ovsl2ui --fields password --reveal) \
  psql -h k8s-pg.tail8d86e.ts.net -U eblume -d miniflux

# Get miniflux app credentials (for applications)
kubectl -n databases get secret blumeops-pg-app -o jsonpath='{.data.uri}' | base64 -d

# Get postgres superuser credentials (emergency only)
kubectl -n databases get secret blumeops-pg-superuser -o jsonpath='{.data.password}' | base64 -d

Connecting via kubectl port-forward

Alternative if Tailscale service is unavailable:

# Terminal 1: Port-forward to the primary
kubectl -n databases port-forward svc/blumeops-pg-rw 5432:5432

# Terminal 2: Connect as eblume
PGPASSWORD=$(op --vault blumeops item get guxu3j7ajhjyey6xxl2ovsl2ui --fields password --reveal) \
  psql -h localhost -U eblume -d miniflux

Status

# Check cluster health
kubectl -n databases get cluster blumeops-pg

# Check pods
kubectl -n databases get pods -l cnpg.io/cluster=blumeops-pg

# Check managed roles status
kubectl -n databases get cluster blumeops-pg -o jsonpath='{.status.managedRolesStatus}' | jq

# Operator logs
kubectl -n databases logs -l cnpg.io/cluster=blumeops-pg

Tailscale Exposure

Current: Temporary Service

k8s-pg.tail8d86e.ts.net - LoadBalancer service for testing during migration.

Phase 4: Production Service

After miniflux migrates to k8s, the pg.tail8d86e.ts.net Tailscale service will switch from brew PostgreSQL (indri) to this k8s cluster. At that point:

Delete service-tailscale.yaml (the k8s-pg service)
Update/create a service with tailscale.com/hostname: "pg"
Verify the orphaned k8s-pg device is removed from tailnet

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