added proxy & public ip param (#11)

resources/bluegreen/blue.yaml

@@ -41,13 +41,19 @@ Parameters:
   LBSubnets:
     Description: The subnets that the load balancer will cover
     Type: List<AWS::EC2::Subnet::Id>
+  Proxy:
+    Type: String
+    Default: ""
   OwnerContact:
     Default: [email protected]
     Description: Email of owner
     Type: String
   VPCId:
     Description: The VPC for app to run in.
     Type: AWS::EC2::VPC::Id
+  GivePublicIP:
+    Default: "true"
+    Type: String
 Resources:
   AsgBlue:
     Type: AWS::AutoScaling::AutoScalingGroup
@@ -66,7 +72,7 @@ Resources:
   LcBlue:
     Type: AWS::AutoScaling::LaunchConfiguration
     Properties:
-      AssociatePublicIpAddress: true
+      AssociatePublicIpAddress: !Ref GivePublicIP
       IamInstanceProfile: !Ref InstanceProfileARN
       ImageId: !Ref AMI
       InstanceMonitoring: true
@@ -81,7 +87,7 @@ Resources:
             echo 'Blue' > /usr/share/nginx/html/index.html
             apt-get install -y python python-setuptools
             cd /opt
-            if [ -a /opt/aws/aws-cfn-bootstrap ]; then
+            if [ ! -d /opt/aws/bin ] && [ -d /opt/aws/aws-cfn-bootstrap ]; then
               ln -sf /opt/aws/aws-cfn-bootstrap/bin /opt/aws/bin
             else
               curl https://s3.amazonaws.com/cloudformation-examples/aws-cfn-bootstrap-latest.tar.gz -O
@@ -90,7 +96,11 @@ Resources:
               easy_install -s /opt/aws/bin aws-cfn-bootstrap-latest.tar.gz
               ln -fs /opt/aws/init/ubuntu/cfn-hup /etc/init.d/cfn-hup
             fi
-            /opt/aws/bin/cfn-signal --exit-code $? --region ${AWS::Region} '${WaitHandleBlue}'
+            PROXY=""
+            if [ "${Proxy}" != "" ]; then
+              PROXY="--https-proxy=${Proxy}"
+            fi
+            /opt/aws/bin/cfn-signal --exit-code $? $PROXY --region ${AWS::Region} '${WaitHandleBlue}'
   LoadBalancer:
     Properties:
       CrossZone: true

resources/bluegreen/stack_blue.yaml

@@ -27,8 +27,12 @@ stacks:
         LBSecurityGroups: '{{env.LBSecurityGroups}}'
         Environment: dev
         AMI: '{{env.AMI}}'
+        Proxy: '{{env.PROXY}}'
+        GivePublicIP: '{{env.GivePublicIP}}'
+        OwnerContact: '{{env.OwnerContact}}'
       tags:
         <<: *common_tags
+        <<: *common_parameters
         Environment: dev
     bluegreen: # bluegreen example using the same stack as above
       vars: