support confluent connectors for apache install

Connector uploaded into S3 bucket, but need IAM work on each EC2 instance to make it seamless. listed are the manual steps after uploading into S3.

sudo yum install -y unzip
sudo unzip /tmp/confluentinc-kafka-connect-elasticsearch-5.3.1.zip -d /usr/share/java
sudo chown -R kafka:kafka /usr/share/java/confluentinc-kafka-connect-elasticsearch-5.3.1
sudo systemctl restart apache-kafka-connect (this seems unecessary as the connectors picked up the connectors instantly)

verify connector is running

curl http://`ifconfig eth1 | grep -e 'inet\s' | awk '{ print $2 }'`:8083/connector-plugins

On ansible host provision connectors as usual

AWS_PROFILE=slower ec2_region=us-east-2 ./deploy connect $platform_root/ucsd/inventory/hostsfile-us-east-2-demo.none demo aws us-east-2 development centos $platform_root/ucsd $key_path

Datanexus / kafka

support confluent connectors for apache install #16