fix: install rsync in Swift containers

.github/workflows/swift.yml

@@ -0,0 +1,24 @@
+---
+name: Build Swift
+
+on:
+  push:
+    paths:
+      - '.github/actions/kolla-build/**'
+      - 'swift/**'
+
+env:
+  COMPONENT: swift
+
+jobs:
+  kolla-build:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Kolla Build
+        uses: ./.github/actions/kolla-build
+        with:
+          component: ${{ env.COMPONENT }}
+          ghcr_token: ${{ secrets.GITHUB_TOKEN }}

swift/build.conf

@@ -0,0 +1,18 @@
+[DEFAULT]
+profile = default
+base = rocky
+base_tag = 9
+tag = 2023.2-rocky-9
+
+# Container Registry Config
+registry = ghcr.io
+namespace = <registry-namespace>
+push = true
+
+[profiles]
+default = swift
+
+[swift-base]
+type = git
+location = https://opendev.org/openstack/swift
+reference = stable/2023.2

swift/override.j2

@@ -0,0 +1,5 @@
+{% extends parent_template %}
+
+{% block swift_base_footer %}
+RUN dnf install -y rsync && dnf clean all
+{% endblock %}