Fixed EIP retreival from plugin subnet on existing VPC

iac/roots/opa-common-constructs/src/network-construct.ts

@@ -50,16 +50,27 @@ export class NetworkConstruct extends Construct {
         vpcId: props.existingVpcId,
       });
 
-       // Retrieve the subnet IDs
-
-     // Retrieve the subnet IDs
+      // Retrieve the subnet IDs
       const publicsubnetIds = vpc.publicSubnets.length > 0 
           ? vpc.publicSubnets.map(subnet => subnet.subnetId) 
           : [' '];
       const privateSubnetIds = vpc.privateSubnets.length > 0 
           ? vpc.privateSubnets.map(subnet => subnet.subnetId) 
           : [' '];
 
+      // Retrieve Elastic IPs allocated to the existing public subnet
+      this.publicEIPref = [];
+      vpc.publicSubnets
+        .map((subnet) =>
+          (subnet as ec2.PublicSubnet).node.children
+            .filter((child) => child.node.id == "EIP")
+            .map((child) => child as ec2.CfnEIP),
+        )
+        .flat()
+        .forEach((eip) => {
+          this.publicEIPref.push(eip.ref);
+        });
+
       // Store the public subnet IDs in AWS Systems Manager Parameter Store
       new ssm.StringListParameter(this, `${envIdentifier}-pub-subnet-param`, {
           allowedPattern: ".*",

iac/roots/opa-platform/src/opa-platform-stack.ts

@@ -189,7 +189,7 @@ export class OPAPlatformStack extends cdk.Stack {
         {
           id: "AwsSolutions-SMG4",
           reason:
-            "Rotation is not nessacry .",
+            "Rotation is not necessary.",
         },
       ]);
     }