Merge remote-tracking branch 'origin/2.4/dev' into 2.4/mysql

salt/elasticsearch/tools/sbin/so-elastic-clear

@@ -56,6 +56,9 @@ do
         esac
 done
 if [ $SKIP -ne 1 ]; then
+        DELETE_CASES_DATA=1
+        DELETE_ELASTALERT_DATA=1
+        DELETE_LOG_DATA=1
         # List indices
         echo 
         curl -K /opt/so/conf/elasticsearch/curl.config -k -L https://localhost:9200/_cat/indices?v