Add idempotent volume provisioning step

Skips example.hcl, creates volumes that don't exist yet.

.gitea/workflows/deploy.yml

@@ -27,3 +27,17 @@ jobs:
         run: |
           sleep 10
           nomad plugin status org.democratic-csi.nfs
+
+      - name: Provision volumes
+        run: |
+          for vol in /opt/nomad-csi/csi/volumes/*.hcl; do
+            # Skip example/template files
+            [[ "$vol" == *example* ]] && continue
+            vol_id=$(grep -Po '(?<=id\s{1,10}=\s{1,10}")[^"]+' "$vol" | head -1)
+            if nomad volume status "$vol_id" > /dev/null 2>&1; then
+              echo "Volume $vol_id already exists, skipping"
+            else
+              echo "Creating volume $vol_id"
+              nomad volume create "$vol"
+            fi
+          done