append dm.use_deferred_removal=true dm.use_deferred_deletion=true and docker logrotation options

Author: root

user_data.file

@@ -21,6 +21,7 @@ if [ -b /dev/vdb ]; then
 	docker-storage-setup
         if [ -e /dev/mapper/vg_docker-docker--pool ]; then
                 echo "vg_docker was created"
+		sed -i '/DOCKER_STORAGE_OPTIONS/ s/$/ --storage-opt dm.use_deferred_removal=true --storage-opt dm.use_deferred_deletion=true --log-opt max-size=40m --log-opt max-file=10' /etc/sysconfig/docker-storage		
                 systemctl start docker && systemctl enable docker
         else
                 echo "vg_docker wasn't created, manual intervention required"