Merge pull request #7 from theonestack/feature/alb-target

adds alb as a target group option

Author: tarunmenon95

network-loadbalancer.cfhighlander.rb

@@ -17,6 +17,7 @@
     ComponentParam 'SubnetIds', type: 'CommaDelimitedList'
     ComponentParam 'SecurityGroupIds', type: 'CommaDelimitedList'
     ComponentParam 'VPCId', type: 'AWS::EC2::VPC::Id'
+
   end
 
 end

network-loadbalancer.cfndsl.rb

@@ -61,6 +61,13 @@
         Targets (params['target_ips'].map {|ip|  { 'Id' => ip['ip'], 'Port' => ip['port'], 'AvailabilityZone' => ip['az']? ip['az'] : nil }.compact})
       end
 
+      if params.has_key?('type') and params['type'] == 'alb' and params.has_key? 'alb_arn'
+        Targets [{
+          Id: params['alb_arn'],
+          Port: params['port']
+        }]
+      end
+
       if params.has_key?('attributes')
         TargetGroupAttributes params['attributes'].map { |key,value| { Key: key, Value: value } }
       end

tests/alb_target.test.yaml

@@ -0,0 +1,31 @@
+test_metadata:
+  type: config
+  name: alb_target
+  description: test specifying an ALB as a target
+
+loadbalancer_scheme: public
+
+loadbalancer_tags:
+  Name: alb-proxy
+
+records:
+  - albproxy
+
+targetgroups:
+  alb:
+    protocol: tcp
+    port: 443
+    type: alb
+    tags:
+      Name: ALB-TG
+    healthcheck:
+      HealthCheckPort: "traffic-port"
+      protocol: TCP
+    alb_arn:
+      Ref: ALBArn
+
+listeners:
+  alb:
+    port: 443
+    protocol: tcp
+    targetgroup: alb