[GHA] Cleanup and cache purge via cloudflare action

.github/workflows/cloudflare-clear-cache-s3-dir.yml

@@ -0,0 +1,47 @@
+name: Cloudflare Purge Cache for Directory
+
+on:
+  workflow_call:
+    inputs:
+      s3-url:
+        description: S3 URL
+        required: true
+        type: string
+  workflow_dispatch:
+    inputs:
+      s3-url:
+        description: S3 URL
+        required: false
+        type: string
+        default: /snapshot/TOOLS/sts4/nightly/e4.32/
+
+env:
+  AWS_ACCESS_KEY_ID: ${{ secrets.CDN_S3_ACCESS_KEY }}
+  AWS_SECRET_ACCESS_KEY: ${{ secrets.CDN_S3_SECRET_KEY  }}
+  AWS_DEFAULT_REGION: us-east-1
+  AWS_ENDPOINT_URL_S3:  ${{ secrets.CDN_S3_ENDPOINT }}
+  AWS_S3_BUCKET: ${{ secrets.CDN_BUCKET }}/spring-tools
+  DOWNLOAD_URL_ROOT: https://cdn.spring.io/spring-tools
+
+jobs:
+
+  clear-cache-s3-dir:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Prepare URLs
+        id: prepare-urls
+        run: |
+          ESCAPED_REPLACE_URL=$(printf '%s\n' "$DOWNLOAD_URL_ROOT/" | sed -e 's/[\/&]/\\&/g')
+          sed_pattern="s/^[ \t]*/$ESCAPED_REPLACE_URL/"
+          urls=`aws s3 ls s3://$AWS_S3_BUCKET${{ inputs.s3-url }} --recursive | awk '{$1=$2=$3=""; print $0}' | sed -e "$sed_pattern" | paste -sd' ' -`
+          echo "urls=$urls" >> $GITHUB_OUTPUT
+      - uses: actions/checkout@c85c95e3d7251135ab7dc9ce3241c5835cc595a9
+        with:
+          sparse-checkout: |
+            .github
+      - uses: ./.github/actions/cloudflare-purge
+        name: Invalidate Cache for URLs
+        with:
+          urls: ${{ steps.prepare-urls.outputs.urls }}
+          cloudflare_zone_id: ${{ secrets.CLOUDFLARE_ZONE_ID }}
+          cloudflare_cache_token: ${{ secrets.CLOUDFLARE_CACHE_TOKEN }}