fix: 修复数据库迁移事务中断问题，补充 k8s-monitor 构建流水线

- database.py: 使用 IF NOT EXISTS 避免 PostgreSQL 事务中断导致后续迁移 SQL 不执行
- deploy.yaml: 补充 k8s-pod-monitor 镜像构建和 CronJob 部署步骤

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.gitea/workflows/deploy.yaml

@@ -49,6 +49,16 @@ jobs:
           build-args: |
             VITE_API_BASE_URL=https://qiyuan-log-center-api.airlabs.art
 
+      # Build K8s Monitor Image
+      - name: Build and Push K8s Monitor
+        uses: docker/build-push-action@v4
+        with:
+          context: ./k8s-monitor
+          file: ./k8s-monitor/Dockerfile
+          push: true
+          provenance: false
+          tags: ${{ secrets.SWR_SERVER }}/${{ secrets.SWR_ORG }}/k8s-pod-monitor:latest
+
       - name: Setup Kubectl
         run: |
           curl -LO "https://files.m.daocloud.io/dl.k8s.io/release/v1.28.2/bin/linux/amd64/kubectl"
@@ -68,12 +78,14 @@ jobs:
           # Replace image placeholders
           sed -i "s|\${CI_REGISTRY_IMAGE}/log-center-api:latest|${{ secrets.SWR_SERVER }}/${{ secrets.SWR_ORG }}/log-center-api:latest|g" k8s/api-deployment-prod.yaml
           sed -i "s|\${CI_REGISTRY_IMAGE}/log-center-web:latest|${{ secrets.SWR_SERVER }}/${{ secrets.SWR_ORG }}/log-center-web:latest|g" k8s/web-deployment-prod.yaml
-          
+          sed -i "s|\${CI_REGISTRY_IMAGE}/k8s-pod-monitor:latest|${{ secrets.SWR_SERVER }}/${{ secrets.SWR_ORG }}/k8s-pod-monitor:latest|g" k8s/monitor-cronjob.yaml
+
           # Apply configurations
           kubectl apply -f k8s/api-deployment-prod.yaml
           kubectl apply -f k8s/web-deployment-prod.yaml
           kubectl apply -f k8s/ingress.yaml
-          
+          kubectl apply -f k8s/monitor-cronjob.yaml
+
           # Restart deployments
           kubectl rollout restart deployment/log-center-api
           kubectl rollout restart deployment/log-center-web

app/database.py

@@ -25,19 +25,19 @@ async def init_db():
 
         # Migrate: add new columns to existing repairtask table
         migrations = [
-            "ALTER TABLE repairtask ADD COLUMN repair_round INTEGER DEFAULT 1",
-            "ALTER TABLE repairtask ADD COLUMN failure_reason TEXT",
+            "ALTER TABLE repairtask ADD COLUMN IF NOT EXISTS repair_round INTEGER DEFAULT 1",
+            "ALTER TABLE repairtask ADD COLUMN IF NOT EXISTS failure_reason TEXT",
             # Log source support
-            "ALTER TABLE errorlog ADD COLUMN source VARCHAR(20) DEFAULT 'runtime'",
+            "ALTER TABLE errorlog ADD COLUMN IF NOT EXISTS source VARCHAR(20) DEFAULT 'runtime'",
             "ALTER TABLE errorlog ALTER COLUMN file_path DROP NOT NULL",
             "ALTER TABLE errorlog ALTER COLUMN line_number DROP NOT NULL",
-            "CREATE INDEX ix_errorlog_source ON errorlog (source)",
+            "CREATE INDEX IF NOT EXISTS ix_errorlog_source ON errorlog (source)",
         ]
         for sql in migrations:
             try:
                 await conn.execute(text(sql))
             except Exception:
-                pass  # Column already exists
+                pass  # Already applied
 
 async def get_session() -> AsyncSession:
     async_session = sessionmaker(