my-apps/charts/my-recipes-chart/templates/db-migration-job.yaml
2025-12-07 16:45:12 +02:00

96 lines
2.9 KiB
YAML

apiVersion: v1
kind: ConfigMap
metadata:
name: {{ .Release.Name }}-db-migration
namespace: {{ .Values.global.namespace }}
data:
migrate.sql: |
-- Add made_by column if it doesn't exist
DO $$
BEGIN
IF NOT EXISTS (
SELECT 1 FROM information_schema.columns
WHERE table_name = 'recipes' AND column_name = 'made_by'
) THEN
ALTER TABLE recipes ADD COLUMN made_by TEXT;
END IF;
END $$;
-- Create index if it doesn't exist
CREATE INDEX IF NOT EXISTS idx_recipes_made_by ON recipes (made_by);
-- Verify schema
SELECT column_name, data_type
FROM information_schema.columns
WHERE table_name = 'recipes'
ORDER BY ordinal_position;
---
apiVersion: batch/v1
kind: Job
metadata:
name: {{ .Release.Name }}-db-migration-{{ .Release.Revision }}
namespace: {{ .Values.global.namespace }}
labels:
app: {{ .Release.Name }}-db-migration
component: migration
annotations:
"helm.sh/hook": post-upgrade,post-install
"helm.sh/hook-weight": "5"
"helm.sh/hook-delete-policy": before-hook-creation
spec:
ttlSecondsAfterFinished: 300
template:
metadata:
labels:
app: {{ .Release.Name }}-db-migration
spec:
restartPolicy: Never
containers:
- name: migrate
image: postgres:16-alpine
command:
- /bin/sh
- -c
- |
echo "Waiting for database to be ready..."
until pg_isready -h $DB_HOST -U $DB_USER; do
echo "Database not ready, waiting..."
sleep 2
done
echo "Database is ready, running migration..."
PGPASSWORD=$DB_PASSWORD psql -h $DB_HOST -U $DB_USER -d $DB_NAME -f /migration/migrate.sql
echo "Migration completed successfully"
env:
- name: DB_HOST
valueFrom:
secretKeyRef:
name: {{ .Release.Name }}-db-credentials
key: DB_HOST
- name: DB_PORT
valueFrom:
secretKeyRef:
name: {{ .Release.Name }}-db-credentials
key: DB_PORT
- name: DB_NAME
valueFrom:
secretKeyRef:
name: {{ .Release.Name }}-db-credentials
key: DB_NAME
- name: DB_USER
valueFrom:
secretKeyRef:
name: {{ .Release.Name }}-db-credentials
key: DB_USER
- name: DB_PASSWORD
valueFrom:
secretKeyRef:
name: {{ .Release.Name }}-db-credentials
key: DB_PASSWORD
volumeMounts:
- name: migration-script
mountPath: /migration
volumes:
- name: migration-script
configMap:
name: {{ .Release.Name }}-db-migration