check-codestyle-rust: check diesel schema

.github/workflows/_check-codestyle-rust.yml

@@ -30,6 +30,9 @@ jobs:
         password: ${{ secrets.NEON_DOCKERHUB_PASSWORD }}
       options: --init
 
+    permissions:
+      id-token: write # .github/actions/download
+
     steps:
       - name: Checkout
         uses: actions/checkout@v4
@@ -89,3 +92,33 @@ jobs:
       - name: Check rust licenses/bans/advisories/sources
         if: ${{ !cancelled() }}
         run: cargo deny check --hide-inclusion-graph
+
+      # To check diesel schema, we need any version of Postgres, so get it from build artifacts
+      - name: Download Latest Neon artifact
+        if: ${{ !cancelled() }}
+        uses: ./.github/actions/download
+        with:
+          name: neon-${{ runner.os }}-${{ runner.arch }}-release-artifact
+          path: /tmp/neon/
+          prefix: latest
+          aws-oicd-role-arn: ${{ vars.DEV_AWS_OIDC_ROLE_ARN }}
+
+      - name: Check diesel schema
+        if: ${{ !cancelled() }}
+        env:
+          POSTGRES_DISTRIB_DIR: /tmp/neon/pg_install
+          DATABASE_URL: postgresql://localhost:1235/storage_controller
+        run: |
+          export LD_LIBRARY_PATH=${POSTGRES_DISTRIB_DIR}/v16/lib
+
+          cargo neon init
+          cargo neon storage_controller start
+
+          diesel print-schema > storage_controller/src/schema.rs
+
+          if [ -n "$(git diff storage_controller/src/schema.rs)" ]; then
+            echo >&2 "Uncommitted changes in diesel schema"
+
+            git diff .
+            exit 1
+          fi