Publish UI release artefact in our github releases (#10577)

This will make UI static files part of the release artefacts, for
consumption by downstream distributions.

Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>

.circleci/config.yml

@@ -63,8 +63,10 @@ jobs:
       - run: make ui-build-module
       - run: make ui-test
       - run: make assets-tarball -o assets
-      - store_artifacts:
-          path: web/ui/static.tar.gz
+      - persist_to_workspace:
+          root: .
+          paths:
+            - .tarballs
       - save_cache:
           key: v3-npm-deps-{{ checksum "web/ui/package-lock.json" }}
           paths:

scripts/package_assets.sh

@@ -4,5 +4,7 @@
 
 set -euo pipefail
 
+version="$(< VERSION)"
+mkdir -p .tarballs
 cd web/ui
-find static -type f -not -name '*.gz' -print0 | xargs -0 tar czf static.tar.gz
+find static -type f -not -name '*.gz' -print0 | xargs -0 tar czf ../../.tarballs/prometheus-web-ui-${version}.tar.gz