[FLINK-33501][ci] Makes use of Maven wrapper

Author: XComp

.mvn/wrapper/maven-wrapper.properties

@@ -14,6 +14,8 @@
 # KIND, either express or implied.  See the License for the
 # specific language governing permissions and limitations
 # under the License.
+
+# updating the Maven version requires updates to certain documentation and verification logic
 distributionUrl=https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/3.8.6/apache-maven-3.8.6-bin.zip
 distributionSha256Sum=ccf20a80e75a17ffc34d47c5c95c98c39d426ca17d670f09cd91e877072a9309
 wrapperUrl=https://repo.maven.apache.org/maven2/org/apache/maven/wrapper/maven-wrapper/3.2.0/maven-wrapper-3.2.0.jar

azure-pipelines.yml

@@ -36,7 +36,7 @@ trigger:
 
 resources:
   containers:
-  # Container with Maven 3.8.6, SSL to have the same environment everywhere.
+  # Container with SSL to have the same environment everywhere.
   # see https://github.com/apache/flink-connector-shared-utils/tree/ci_utils
   - container: flink-build-container
     image: chesnay/flink-ci:java_8_11_17_21_maven_386

tools/azure-pipelines/build-apache-repo.yml

@@ -36,7 +36,7 @@ trigger:
 
 resources:
   containers:
-  # Container with Maven 3.8.6, SSL to have the same environment everywhere.
+  # Container with SSL to have the same environment everywhere.
   # see https://github.com/apache/flink-connector-shared-utils/tree/ci_utils
   - container: flink-build-container
     image: chesnay/flink-ci:java_8_11_17_21_maven_386

tools/azure-pipelines/build-nightly-dist.yml

@@ -40,7 +40,6 @@ jobs:
         inputs:
           script: |
             source ./tools/ci/maven-utils.sh
-            setup_maven
             run_mvn -version
             export MVN="run_mvn"
 
@@ -93,7 +92,6 @@ jobs:
         inputs:
           script: |
             source ./tools/ci/maven-utils.sh
-            setup_maven
             run_mvn -version
 
             cd tools

tools/azure-pipelines/e2e-template.yml

@@ -98,7 +98,6 @@ jobs:
     - script: |
         echo "Setting up Maven"
         source ./tools/ci/maven-utils.sh
-        setup_maven
 
         # the APT mirrors access is based on a proposal from https://github.com/actions/runner-images/issues/7048#issuecomment-1419426054
         echo "Configure APT mirrors"

tools/ci/maven-utils.sh

@@ -16,38 +16,13 @@
 
 # Utility for invoking Maven in CI
 function run_mvn {
-	MVN_CMD="mvn"
-	if [[ "$M2_HOME" != "" ]]; then
-		MVN_CMD="${M2_HOME}/bin/mvn"
-	fi
-
 	if [[ "$MVN_RUN_VERBOSE" != "false" ]]; then
 		echo "Invoking mvn with '$MVN_GLOBAL_OPTIONS ${@}'"
 	fi
-	$MVN_CMD $MVN_GLOBAL_OPTIONS "${@}"
+	$MAVEN_WRAPPER $MVN_GLOBAL_OPTIONS "${@}"
 }
 export -f run_mvn
 
-function setup_maven {
-	set -e # fail if there was an error setting up maven
-	if [ ! -d "${MAVEN_VERSIONED_DIR}" ]; then
-	  wget -nv https://repo.maven.apache.org/maven2/org/apache/maven/apache-maven/${MAVEN_VERSION}/apache-maven-${MAVEN_VERSION}-bin.zip
-	  unzip -d "${MAVEN_CACHE_DIR}" -qq "apache-maven-${MAVEN_VERSION}-bin.zip"
-	  rm "apache-maven-${MAVEN_VERSION}-bin.zip"
-	fi
-
-	export M2_HOME="${MAVEN_VERSIONED_DIR}"
-	echo "##vso[task.setvariable variable=M2_HOME]$M2_HOME"
-
-	# just in case: clean up the .m2 home and remove invalid jar files
-	if [ -d "${HOME}/.m2/repository/" ]; then
-	  find ${HOME}/.m2/repository/ -name "*.jar" -exec sh -c 'if ! zip -T {} >/dev/null ; then echo "deleting invalid file: {}"; rm -f {} ; fi' \;
-	fi
-
-	echo "Installed Maven ${MAVEN_VERSION} to ${M2_HOME}"
-	set +e
-}
-
 function set_mirror_config {
 	if [[ "$MAVEN_MIRROR_CONFIG_FILE" != "" ]]; then
 		echo "[WARN] Maven mirror already configured to $MAVEN_MIRROR_CONFIG_FILE"
@@ -81,10 +56,13 @@ function collect_coredumps {
 
 CI_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 
-MAVEN_VERSION="3.8.6"
-MAVEN_CACHE_DIR=${HOME}/maven_cache
-MAVEN_VERSIONED_DIR=${MAVEN_CACHE_DIR}/apache-maven-${MAVEN_VERSION}
+if [[ ! "${CI_DIR}" =~ .*/tools/ci[/]{0,1}$ ]]; then
+  echo "Error: ${BASH_SOURCE[0]} is expected to be located in the './tools/ci/' subfolder to make the Maven wrapper path resolution work."
+  exit 1
+fi
+MAVEN_WRAPPER="${CI_DIR}/../../mvnw"
 
+export MAVEN_WRAPPER
 
 MAVEN_MIRROR_CONFIG_FILE=""
 NPM_PROXY_PROFILE_ACTIVATION=""