Files
homelab/postgres/k8s/postgres.yaml
T
forust 3e057ea18d feat(postgres): upgrade shared database to PostgreSQL 17
Move the shared postgres service from 15.19 to 17.6 as the postgres17 StatefulSet with its own PVC, extend the initdb and ingress policy with the statuspage database, and drop the now-unused per-app postgres manifests for authentik, gitea and netronome.
2026-09-14 11:56:23 +00:00

126 lines
3.7 KiB
YAML

apiVersion: v1
kind: Service
metadata:
name: postgres
namespace: database
labels:
app.kubernetes.io/name: postgres17
app.kubernetes.io/part-of: homelab-database
spec:
selector:
app.kubernetes.io/name: postgres17
ports:
- name: postgres
port: 5432
targetPort: postgres
---
apiVersion: apps/v1
kind: StatefulSet
metadata:
name: postgres17
namespace: database
spec:
serviceName: postgres17
replicas: 1
selector:
matchLabels:
app.kubernetes.io/name: postgres17
template:
metadata:
labels:
app.kubernetes.io/name: postgres17
spec:
containers:
- name: postgres
image: postgres:17.6-alpine
ports:
- name: postgres
containerPort: 5432
env:
- name: POSTGRES_DB
value: postgres
- name: POSTGRES_USER
value: postgres
- name: POSTGRES_PASSWORD
valueFrom:
secretKeyRef:
name: postgres-shared-secrets
key: POSTGRES_ADMIN_PASSWORD
envFrom:
- secretRef:
name: postgres-shared-secrets
volumeMounts:
- name: postgres-data
mountPath: /var/lib/postgresql/data
- name: initdb
mountPath: /docker-entrypoint-initdb.d/01-create-databases.sh
subPath: 01-create-databases.sh
readinessProbe:
exec:
command: ["pg_isready", "-U", "postgres", "-d", "postgres"]
initialDelaySeconds: 10
periodSeconds: 10
livenessProbe:
exec:
command: ["pg_isready", "-U", "postgres", "-d", "postgres"]
initialDelaySeconds: 30
periodSeconds: 20
volumes:
- name: postgres-data
persistentVolumeClaim:
claimName: postgres17-data
- name: initdb
configMap:
name: postgres-initdb
defaultMode: 0755
---
apiVersion: v1
kind: PersistentVolumeClaim
metadata:
name: postgres17-data
namespace: database
labels:
app.kubernetes.io/name: postgres17
app.kubernetes.io/part-of: homelab-database
spec:
accessModes: ["ReadWriteOnce"]
storageClassName: local-path-retain
resources:
requests:
storage: 20Gi
---
apiVersion: v1
kind: ConfigMap
metadata:
name: postgres-initdb
namespace: database
data:
01-create-databases.sh: |
#!/usr/bin/env bash
set -euo pipefail
: "${AUTHENTIK_DB_PASSWORD:?AUTHENTIK_DB_PASSWORD is required}"
: "${GITEA_DB_PASSWORD:?GITEA_DB_PASSWORD is required}"
: "${NETRONOME_DB_PASSWORD:?NETRONOME_DB_PASSWORD is required}"
: "${PENPOT_DB_PASSWORD:?PENPOT_DB_PASSWORD is required}"
: "${STATUSPAGE_DB_PASSWORD:?STATUSPAGE_DB_PASSWORD is required}"
create_role_and_database() {
local role="$1"
local database="$2"
local password="$3"
psql --username "$POSTGRES_USER" --dbname postgres \
-v role="$role" -v database="$database" -v password="$password" \
<<'SQL'
SELECT format('CREATE ROLE %I LOGIN PASSWORD %L', :'role', :'password')
WHERE NOT EXISTS (SELECT FROM pg_roles WHERE rolname = :'role')\gexec
SELECT format('CREATE DATABASE %I OWNER %I', :'database', :'role')
WHERE NOT EXISTS (SELECT FROM pg_database WHERE datname = :'database')\gexec
SQL
}
create_role_and_database authentik authentik "$AUTHENTIK_DB_PASSWORD"
create_role_and_database gitea gitea "$GITEA_DB_PASSWORD"
create_role_and_database netronome netronome "$NETRONOME_DB_PASSWORD"
create_role_and_database penpot penpot "$PENPOT_DB_PASSWORD"
create_role_and_database statuspage statuspage "$STATUSPAGE_DB_PASSWORD"