SEARCH-2356 Add support for setting the default log level for search.

This can be passed in as an environment variable when starting the container.

search-services/packaging/src/docker/search_config_setup.sh

@@ -10,6 +10,7 @@ SOLR_NORERANK_CONFIG_FILE=$NORERANK_TEMPLATE_PATH/solrconfig.xml
 SOLR_RERANK_CORE_FILE=$RERANK_TEMPLATE_PATH/solrcore.properties
 SOLR_NORERANK_CORE_FILE=$NORERANK_TEMPLATE_PATH/solrcore.properties
 SOLR_CONTEXT_FILE=$PWD/solr/server/contexts/solr-jetty-context.xml
+LOG_PROPERTIES=$PWD/logs/log4j.properties
 
 if [[ $REPLICATION_TYPE == "master" ]]; then
 
@@ -105,4 +106,8 @@ if [[ true == "$DISABLE_CASCADE_TRACKING" ]]; then
    sed -i 's/alfresco.cascade.tracker.enabled=true/alfresco.cascade.tracker.enabled=false/' ${PWD}/solrhome/conf/shared.properties
 fi
 
-bash -c "$@"
+if [[ "${SEARCH_LOG_LEVEL}" != "" ]]; then
+   sed -i "s/log4j.rootLogger=WARN, file, CONSOLE/log4j.rootLogger=${SEARCH_LOG_LEVEL}, file, CONSOLE/" ${LOG_PROPERTIES}
+fi
+
+bash -c "$@"