Outputs Declaration

If the CloudFormation launch is successful, Outputs generates the URL of the ELB pointing to the MarkLogic Admin Interface port (8001).

Outputs:
  URL:
    Description: The URL of the MarkLogic Cluster
    Value: !Join 
      - ''
      - - 'http://'
      - !If [MultiZone, !GetAtt [Alb, DNSName], !GetAtt [ElasticLoadBalancer, DNSName]]
        ':8001'
        - !GetAtt 
          - ElasticLoadBalancer
          - DNSName
        - ':8001'
  PrivateSubnetRouteTableID:
    Description: Private Subnet Route Table ID
    Value: !GetAtt [VpcStack, Outputs.PrivateSubnetRouteTableID]
  InstanceSecurityGroupID:
    Description: Instance Security Group ID
    Value: !Ref InstanceSecurityGroup

The CloudFormation template creates a different type of load balancer depending on the number of zones to which you deploy. The CloudFormation template will create a CLB if you deploy to one zone. The CloudFormation template will create an ALB if you deploy to three zones. If you are using your own CloudFormation template, you can deploy to two or more zones to create an ALB.

CLB runs at OSI layers 4 (transport) and 7 (application). ALB runs at OSI layer 7. If the CloudFormation template creates an ALB, you are unable to use an ODBC connection with business intelligence (BI) tools. To use an ODBC connection with BI tools, you can create a separate Network Load Balancer for ODBC connections.