Merge pull request #23 from SumoLogic/master

Fix empty container name prefix

run.sh

@@ -9,12 +9,12 @@ if [[ $SUMO_ACCESS_KEY_FILE ]]; then
   export SUMO_ACCESS_KEY=$(cat $SUMO_ACCESS_KEY_FILE)
 fi
 
-
 SUMO_GENERATE_USER_PROPERTIES=${SUMO_GENERATE_USER_PROPERTIES:=true}
 SUMO_ACCESS_ID=${SUMO_ACCESS_ID:=$1}
 SUMO_ACCESS_KEY=${SUMO_ACCESS_KEY:=$2}
 SUMO_RECEIVER_URL=${SUMO_RECEIVER_URL:=https://collectors.sumologic.com}
-SUMO_COLLECTOR_NAME=${SUMO_COLLECTOR_NAME_PREFIX:='collector_container-'}${SUMO_COLLECTOR_NAME:=`cat /etc/hostname`}
+# Handle case for an empty string
+SUMO_COLLECTOR_NAME=${SUMO_COLLECTOR_NAME_PREFIX='collector_container-'}${SUMO_COLLECTOR_NAME:=$(cat /etc/hostname)}
 SUMO_SOURCES_JSON=${SUMO_SOURCES_JSON:=/etc/sumo-sources.json}
 SUMO_SYNC_SOURCES=${SUMO_SYNC_SOURCES:=false}
 SUMO_COLLECTOR_EPHEMERAL=${SUMO_COLLECTOR_EPHEMERAL:=true}