Fix Yarn example CI

This closes #31.

.github/workflows/build-and-test.yaml

@@ -21,6 +21,12 @@ jobs:
       matrix:
         python_version: ["3.7", "3.8", "3.9"]
     steps:
+      - name: Maximize build space
+        uses: easimon/maximize-build-space@master
+        with:
+          root-reserve-mb: 32768
+          remove-dotnet: 'true'
+          remove-android: 'true'
       - uses: actions/checkout@v3
       - name: start mimnikube
         uses: medyagh/setup-minikube@latest

flink-kubernetes-application/run_and_verify.sh

@@ -45,4 +45,5 @@ minikube ssh --native-ssh=false -- 'cat /tmp/flink-kubernetes-application/output
 sort_and_compare_files data/merged_output data/expected_output.txt
 
 rm -rf flink-1.16.2-bin-scala_2.12.tgz ./flink-1.16.2
+docker rmi -f flink-k8s-app
 

flink-yarn-application/run_and_verify.sh

@@ -20,8 +20,12 @@ cd "$(dirname "$0")"
 PROJECT_DIR=$(cd "$(pwd)/.."; pwd)
 source "${PROJECT_DIR}"/tools/utils.sh
 
+df -h
 curl -LO https://archive.apache.org/dist/hadoop/common/hadoop-3.3.6/hadoop-3.3.6.tar.gz
-tar -xzf hadoop-3.3.6.tar.gz --exclude='hadoop-3.3.6/share/doc/**' --exclude='hadoop-3.3.6/share/tools/lib/**'
+tar -xzf hadoop-3.3.6.tar.gz \
+  --exclude='hadoop-3.3.6/share/doc' \
+  --exclude='hadoop-3.3.6/share/hadoop/tools/lib' \
+  --exclude='hadoop-3.3.6/share/hadoop/yarn/hadoop-yarn-applications-catalog-webapp-*.war'
 rm -rf hadoop-3.3.6.tar.gz
 cp -r etc/hadoop hadoop-3.3.6/etc
 ssh-keygen -t rsa -P '' -f ~/.ssh/id_rsa

tools/ci/run_tests.sh

@@ -23,9 +23,14 @@ python -m pip -q install --upgrade "feathub-nightly[spark]"
 
 docker build -q --rm -t feathub-flink -f ./docker/Dockerfile .
 
+echo "Free space: "
+df -h
+
 # Run the run_and_verify.sh script in each example folder
 for EXAMPLE_RUN_SCRIPT in "${PROJECT_DIR}"/*/run_and_verify.sh; do
   echo "Running example ${EXAMPLE_RUN_SCRIPT}..."
   bash "${EXAMPLE_RUN_SCRIPT}"
   echo "Example ${EXAMPLE_RUN_SCRIPT} success."
+  echo "Free space: "
+  df -h
 done