[KYUUBI #1774] Export FLINK_HOME in load-kyuubi-env script

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Closes #1793 from yanghua/KYUUBI-1774.

Closes #1774

178a628 [yanghua] minor fix
ba7cc20 [yanghua] reorder code
7f15ffb [yanghua] refactor code
85aa185 [yanghua] [KYUUBI #1774] Export FLINK_HOME in load-kyuubi-env script

Authored-by: yanghua <yanghua1127@gmail.com>
Signed-off-by: Cheng Pan <chengpan@apache.org>

Author: yanghua

bin/load-kyuubi-env.sh

@@ -72,15 +72,21 @@ export KYUUBI_SCALA_VERSION="${KYUUBI_SCALA_VERSION:-"2.12"}"
 
 if [[ -f ${KYUUBI_HOME}/RELEASE ]]; then
   KYUUBI_VERSION="$(grep "Kyuubi " "$KYUUBI_HOME/RELEASE" | awk -F ' ' '{print $2}')"
+  FLINK_VERSION_BUILD="$(grep "Flink " "$KYUUBI_HOME/RELEASE" | awk -F ' ' '{print $2}')"
   SPARK_VERSION_BUILD="$(grep "Spark " "$KYUUBI_HOME/RELEASE" | awk -F ' ' '{print $2}' | grep -v 'Hadoop')"
   HADOOP_VERSION_BUILD="$(grep "Spark Hadoop " "$KYUUBI_HOME/RELEASE" | awk -F ' ' '{print $3}')"
+  FLINK_BUILTIN="${KYUUBI_HOME}/externals/flink-$FLINK_VERSION_BUILD"
   SPARK_BUILTIN="${KYUUBI_HOME}/externals/spark-$SPARK_VERSION_BUILD-bin-hadoop${HADOOP_VERSION_BUILD:0:3}"
 else
   MVN="${MVN:-"${KYUUBI_HOME}/build/mvn"}"
   KYUUBI_VERSION=$("$MVN" help:evaluate -Dexpression=project.version 2>/dev/null\
     | grep -v "INFO"\
     | grep -v "WARNING"\
     | tail -n 1)
+  FLINK_VERSION_BUILD=$("$MVN" help:evaluate -Dexpression=flink.version 2>/dev/null\
+    | grep -v "INFO"\
+    | grep -v "WARNING"\
+    | tail -n 1)
   SPARK_VERSION_BUILD=$("$MVN" help:evaluate -Dexpression=spark.version 2>/dev/null\
     | grep -v "INFO"\
     | grep -v "WARNING"\
@@ -89,9 +95,11 @@ else
     | grep -v "INFO"\
     | grep -v "WARNING"\
     | tail -n 1)
+  FLINK_BUILTIN="${KYUUBI_HOME}/externals/kyuubi-download/target/flink-$FLINK_VERSION_BUILD"
   SPARK_BUILTIN="${KYUUBI_HOME}/externals/kyuubi-download/target/spark-$SPARK_VERSION_BUILD-bin-hadoop${HADOOP_VERSION_BUILD}"
 fi
 
+export FLINK_HOME="${FLINK_HOME:-"${FLINK_BUILTIN}"}"
 export SPARK_HOME="${SPARK_HOME:-"${SPARK_BUILTIN}"}"
 
 # Print essential environment variables to console
@@ -105,6 +113,8 @@ if [ $silent -eq 0 ]; then
   echo "KYUUBI_PID_DIR: ${KYUUBI_PID_DIR}"
   echo "KYUUBI_WORK_DIR_ROOT: ${KYUUBI_WORK_DIR_ROOT}"
 
+  echo "FLINK_HOME: ${FLINK_HOME}"
+
   echo "SPARK_HOME: ${SPARK_HOME}"
   echo "SPARK_CONF_DIR: ${SPARK_CONF_DIR:-"${SPARK_HOME}/conf"}"
 

build/dist

@@ -198,6 +198,7 @@ mkdir -p "$DISTDIR/beeline-jars"
 echo "Kyuubi $VERSION $GITREVSTRING built for" > "$DISTDIR/RELEASE"
 echo "Java $JAVA_VERSION" >> "$DISTDIR/RELEASE"
 echo "Scala $SCALA_VERSION" >> "$DISTDIR/RELEASE"
+echo "Flink $FLINK_VERSION" >> "$DISTDIR/RELEASE"
 echo "Spark $SPARK_VERSION" >> "$DISTDIR/RELEASE"
 echo "Spark Hadoop $SPARK_HADOOP_VERSION" >> "$DISTDIR/RELEASE"
 echo "Kyuubi Hadoop $HADOOP_VERSION" >> "$DISTDIR/RELEASE"