CI: Free space before test (#3303)

.github/workflows/ci-post-merge.yml

@@ -81,6 +81,9 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - name: Free Disk Space
+        run: ./scripts/free-disk-space.sh
+
       - name: Install Rust
         uses: actions-rust-lang/setup-rust-toolchain@v1.8.0
 

scripts/free-disk-space.sh

@@ -0,0 +1,53 @@
+#!/usr/bin/env bash
+
+# Licensed to the Apache Software Foundation (ASF) under one or more
+# contributor license agreements.  See the NOTICE file distributed with
+# this work for additional information regarding copyright ownership.
+# The ASF licenses this file to You under the Apache License, Version 2.0
+# (the "License"); you may not use this file except in compliance with
+# the License.  You may obtain a copy of the License at
+#
+#    http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# The Azure provided machines typically have the following disk allocation:
+# Total space: 85GB
+# Allocated: 67 GB
+# Free: 17 GB
+# This script frees up 28 GB of disk space by deleting unneeded packages and 
+# large directories.
+# The Flink end to end tests download and generate more than 17 GB of files,
+# causing unpredictable behavior and build failures.
+
+echo "=============================================================================="
+echo "Freeing up disk space on CI system"
+echo "=============================================================================="
+
+echo "Listing 100 largest packages"
+dpkg-query -Wf '${Installed-Size}\t${Package}\n' | sort -n | tail -n 100
+df -h
+
+echo "Removing large packages"
+sudo apt-get remove -y '^dotnet-.*'
+sudo apt-get remove -y 'php.*'
+sudo apt-get remove -y '^mongodb-.*'
+sudo apt-get remove -y '^mysql-.*'
+sudo apt-get remove -y azure-cli google-cloud-sdk hhvm google-chrome-stable firefox powershell mono-devel libgl1-mesa-dri
+sudo apt-get autoremove -y
+sudo apt-get clean
+df -h
+
+echo "Removing large directories"
+sudo rm -rf /usr/share/dotnet/
+sudo rm -rf /usr/local/graalvm/
+sudo rm -rf /usr/local/.ghcup/
+sudo rm -rf /usr/local/share/powershell
+sudo rm -rf /usr/local/share/chromium
+sudo rm -rf /usr/local/lib/android
+sudo rm -rf /usr/local/lib/node_modules
+df -h