143 lines
4.2 KiB
YAML
143 lines
4.2 KiB
YAML
# infrastructure/postgres/statefulset.yaml
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apiVersion: apps/v1
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kind: StatefulSet
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metadata:
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name: postgres
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namespace: postgres
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labels:
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app: postgres
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spec:
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serviceName: postgres-service
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replicas: 1
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selector:
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matchLabels:
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app: postgres
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persistentVolumeClaimRetentionPolicy:
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whenDeleted: Retain
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whenScaled: Retain
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updateStrategy:
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type: RollingUpdate
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template:
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metadata:
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labels:
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app: postgres
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spec:
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serviceAccountName: postgres-vault
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nodeSelector:
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node-role.kubernetes.io/worker: "true"
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tolerations:
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- key: atlas.bstein.dev/spillover
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operator: Equal
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value: "true"
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effect: PreferNoSchedule
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- key: longhorn
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operator: Equal
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value: "true"
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effect: PreferNoSchedule
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affinity:
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nodeAffinity:
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requiredDuringSchedulingIgnoredDuringExecution:
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nodeSelectorTerms:
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- matchExpressions:
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- key: node-role.kubernetes.io/worker
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operator: In
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values: ["true"]
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- key: hardware
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operator: In
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values: ["rpi5", "rpi4"]
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preferredDuringSchedulingIgnoredDuringExecution:
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- weight: 100
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preference:
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matchExpressions:
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- key: hardware
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operator: In
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values: ["rpi5"]
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- weight: 50
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preference:
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matchExpressions:
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- key: hardware
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operator: In
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values: ["rpi4"]
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containers:
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- name: postgres
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image: postgres:15@sha256:6eb0add3b77c081df18aa518ce43df58fdcc40f2e6d868a6fd08038dc7acd425
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ports:
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- name: postgres
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containerPort: 5432
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protocol: TCP
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# The namespace's 512 MiB default previously killed backend processes.
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resources:
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requests:
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cpu: 250m
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memory: 1Gi
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limits:
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cpu: "2"
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memory: 2Gi
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startupProbe:
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exec:
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command: [pg_isready, -U, postgres, -d, postgres]
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periodSeconds: 10
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timeoutSeconds: 5
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failureThreshold: 60
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readinessProbe:
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exec:
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command: [pg_isready, -U, postgres, -d, postgres]
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periodSeconds: 15
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timeoutSeconds: 5
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failureThreshold: 3
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env:
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- name: PGDATA
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value: /var/lib/postgresql/data/pgdata
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- name: POSTGRES_USER
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value: postgres
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- name: POSTGRES_PASSWORD_FILE
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value: /mnt/vault/postgres_password
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- name: POSTGRES_DB
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value: postgres
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volumeMounts:
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- name: postgres-data
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mountPath: /var/lib/postgresql/data
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- name: vault-secrets
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mountPath: /mnt/vault
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readOnly: true
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- name: postgres-exporter
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image: quay.io/prometheuscommunity/postgres-exporter:v0.15.0@sha256:386b12d19eab2a37d7cd8ca8b4c7491cc7a830d9581f49af6c98a393da9605e6
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resources:
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requests:
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cpu: 20m
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memory: 64Mi
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limits:
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cpu: 200m
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memory: 128Mi
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ports:
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- name: metrics
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containerPort: 9187
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protocol: TCP
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env:
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- name: DATA_SOURCE_URI
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value: "localhost:5432/postgres?sslmode=disable"
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- name: DATA_SOURCE_USER
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value: postgres
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- name: DATA_SOURCE_PASS_FILE
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value: /mnt/vault/postgres_password
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volumeMounts:
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- name: vault-secrets
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mountPath: /mnt/vault
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readOnly: true
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volumes:
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- name: vault-secrets
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csi:
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driver: secrets-store.csi.k8s.io
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readOnly: true
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volumeAttributes:
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secretProviderClass: postgres-vault
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volumeClaimTemplates:
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- metadata:
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name: postgres-data
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spec:
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accessModes: ["ReadWriteOnce"]
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storageClassName: astreae
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resources:
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requests:
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storage: 100Gi
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