+An example how environment variables can be set in bash shell, when Redis
+HA deployment with two DB service is used::
+
+ export DBAAS_CLUSTER_ADDR_LIST=dbaas-0,dbaas-1
+ export DBAAS_MASTER_NAME=my-dbaasmaster-0,my-dbaasmaster-1
+ export DBAAS_SERVICE_HOST=dbaas-0
+ export DBAAS_SERVICE_PORT=6379,6380
+ export DBAAS_SERVICE_SENTINEL_PORT=26379,26380
+ export DBAAS_NODE_COUNT=3
+