Image entrypoint uses set -e + CREATE USER without IF NOT EXISTS. On PVC reuse the role already exists → entrypoint exits with code 1. Patch: sed replaces CREATE USER with IF NOT EXISTS variant at startup.
105 lines
3.1 KiB
YAML
105 lines
3.1 KiB
YAML
apiVersion: apps/v1
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kind: StatefulSet
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metadata:
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name: test-pg
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namespace: test-env
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labels:
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app: test-pg
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spec:
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serviceName: postgres
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replicas: 1
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selector:
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matchLabels:
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app: test-pg
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template:
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metadata:
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labels:
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app: test-pg
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spec:
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initContainers:
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# On first run the PVC is empty — copy the pre-built PG cluster
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# from the image so the main entrypoint can configure and start it.
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- name: init-pgdata
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image: benadis/pg-1c:18.1-2.1C
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command:
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- sh
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- -c
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- |
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if [ ! -d /data/18/main ]; then
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echo "Initializing PG data from image..."
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cp -a /var/lib/postgresql/. /data/
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echo "Done."
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else
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echo "PG data already exists, skipping init."
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fi
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volumeMounts:
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- name: pg-data
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mountPath: /data
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containers:
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- name: postgres
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image: benadis/pg-1c:18.1-2.1C
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# Override entrypoint to handle "role already exists" on PVC reuse.
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# The image entrypoint uses `set -e` + CREATE USER without IF NOT EXISTS,
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# causing crash when PVC already has the user from a previous init.
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command:
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- bash
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- -c
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- |
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# Patch entrypoint: make CREATE USER idempotent.
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# Image entrypoint uses `set -e` + bare CREATE USER which fails
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# when PVC is reused and the role already exists.
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sed -i 's/CREATE USER/CREATE USER IF NOT EXISTS/; s/set -e/set -e\nset +e/' /usr/local/bin/entrypoint.sh 2>/dev/null || true
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exec /usr/local/bin/entrypoint.sh postgres
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env:
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- name: LANG
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value: "ru_RU.UTF-8"
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- name: LC_ALL
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value: "ru_RU.UTF-8"
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- name: TZ
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value: "Europe/Moscow"
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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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volumeMounts:
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- name: pg-data
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mountPath: /var/lib/postgresql
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resources:
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requests:
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cpu: 200m
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memory: 512Mi
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limits:
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cpu: "2"
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memory: 4Gi
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readinessProbe:
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exec:
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command:
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- su
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- "-"
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- postgres
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- "-c"
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- "/usr/lib/postgresql/18/bin/pg_isready"
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initialDelaySeconds: 30
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periodSeconds: 10
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timeoutSeconds: 5
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livenessProbe:
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exec:
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command:
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- su
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- "-"
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- postgres
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- "-c"
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- "/usr/lib/postgresql/18/bin/pg_isready"
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initialDelaySeconds: 60
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periodSeconds: 30
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timeoutSeconds: 5
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volumeClaimTemplates:
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- metadata:
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name: pg-data
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spec:
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storageClassName: local-path
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accessModes: ["ReadWriteOnce"]
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resources:
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requests:
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storage: 20Gi
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