+ echo "Pulling docker images for ELK"
+ sg docker -c "docker pull docker.elastic.co/elasticsearch/elasticsearch-oss:6.2.3" || FATAL "cannot get elasticsearch docker image"
+ sg docker -c "docker pull docker.elastic.co/logstash/logstash-oss:6.2.3" || FATAL "cannot get logstash docker image"
+ sg docker -c "docker pull docker.elastic.co/kibana/kibana-oss:6.2.3" || FATAL "cannot get kibana docker image"
+ echo "Finished pulling elk docker images"