Sleep before requesting stylesheet

Author: namedgraph

http-tests/admin/packages/install-package-stylesheet.sh

@@ -19,46 +19,9 @@ curl -k -w "%{http_code}\n" -o /dev/null -f -s \
   "${ADMIN_BASE_URL}packages/install" \
 | grep -q "$STATUS_SEE_OTHER"
 
-# Purge cache after install to clear any cached 404 responses
-purge_cache "$END_USER_VARNISH_SERVICE"
-purge_cache "$ADMIN_VARNISH_SERVICE"
-purge_cache "$FRONTEND_VARNISH_SERVICE"
-
-# Wait for package installation to complete (poll for stylesheet availability)
-elapsed=0
-iteration=0
-while [ $(echo "$elapsed < 30" | bc) -eq 1 ]; do
-  # Get status and headers via proxy in one request
-  proxy_response=$(curl -k -s -I "${END_USER_BASE_URL}static/com/linkeddatahub/packages/skos/layout.xsl")
-  stylesheet_status=$(echo "$proxy_response" | head -1 | grep -oE '[0-9]{3}')
-
-  iteration=$((iteration + 1))
-
-  # Only break on success after at least 2 iterations (to see Age > 0)
-  if [ "$stylesheet_status" = "200" ] && [ $iteration -ge 2 ]; then
-    break
-  fi
-
-  echo "--- Waiting for stylesheet (${elapsed}s) ---"
-  echo "Via proxy: HTTP $stylesheet_status"
-  echo "$proxy_response" | grep -E "(Age|X-Cache|X-Varnish)" || echo "(no cache headers)"
-
-  # Check file on disk
-  docker compose exec -T linkeddatahub ls -l webapps/ROOT/static/com/linkeddatahub/packages/skos || echo "Directory does not exist"
-
-  # Test direct access to Tomcat (bypasses Varnish/Nginx cache)
-  internal_status=$(docker compose exec -T nginx curl -s -w "%{http_code}\n" -o /dev/null http://linkeddatahub:8080/static/com/linkeddatahub/packages/skos/layout.xsl)
-  echo "Direct Tomcat: HTTP $internal_status"
-
-  sleep 0.5
-  elapsed=$(echo "$elapsed + 0.5" | bc)
-done
-
-if [ "$stylesheet_status" != "200" ]; then
-  echo "--- Final check after timeout ---"
-  docker compose exec -T linkeddatahub ls -l webapps/ROOT/static/com/linkeddatahub/packages/skos || echo "Directory does not exist"
-  exit 1
-fi
+# the stylesheet is not available via URL right away. If we request it right away, Varnish will cache a 404 Not Found response for it
+# TO-DO: make sure the stylesheet URL is available immediately after installation
+sleep 1
 
 # verify package stylesheet was installed (should return 200)
 curl -k -f -s -o /dev/null \

src/main/java/com/atomgraph/linkeddatahub/resource/admin/pkg/InstallPackage.java

@@ -352,12 +352,12 @@ private void installStylesheet(Path stylesheetFile, String packagePath, String s
         if (log.isDebugEnabled()) log.debug("Installed package stylesheet at: {}", stylesheetFile);
 
         // Purge stylesheet from frontend proxy cache to clear any cached 404 responses
-        String stylesheetURL = "/static/" + packagePath + "/layout.xsl";
-        if (endUserApp.getFrontendProxy() != null)
-        {
-            if (log.isDebugEnabled()) log.debug("Purging stylesheet from frontend proxy cache: {}", stylesheetURL);
-            getSystem().ban(endUserApp.getFrontendProxy(), stylesheetURL, false);
-        }
+//        String stylesheetURL = "/static/" + packagePath + "/layout.xsl";
+//        if (endUserApp.getFrontendProxy() != null)
+//        {
+//            if (log.isDebugEnabled()) log.debug("Purging stylesheet from frontend proxy cache: {}", stylesheetURL);
+//            getSystem().ban(endUserApp.getFrontendProxy(), stylesheetURL, false);
+//        }
     }
 
     /**
@@ -389,11 +389,11 @@ private void regenerateMasterStylesheet(EndUserApplication app, com.atomgraph.li
         updater.regenerateMasterStylesheet(packagePaths);
 
         // Purge master stylesheet from cache
-        if (app.getFrontendProxy() != null)
-        {
-            if (log.isDebugEnabled()) log.debug("Purging master stylesheet from frontend proxy cache: {}", com.atomgraph.linkeddatahub.Application.MASTER_STYLESHEET_PATH);
-            getSystem().ban(app.getFrontendProxy(), com.atomgraph.linkeddatahub.Application.MASTER_STYLESHEET_PATH, false);
-        }
+//        if (app.getFrontendProxy() != null)
+//        {
+//            if (log.isDebugEnabled()) log.debug("Purging master stylesheet from frontend proxy cache: {}", com.atomgraph.linkeddatahub.Application.MASTER_STYLESHEET_PATH);
+//            getSystem().ban(app.getFrontendProxy(), com.atomgraph.linkeddatahub.Application.MASTER_STYLESHEET_PATH, false);
+//        }
     }
 
     /**