r/aws_eip fix case when aws returns multiple eips from read request

aws/resource_aws_eip.go

@@ -181,16 +181,22 @@ func resourceAwsEipRead(d *schema.ResourceData, meta interface{}) error {
 		}
 	}
 
-	// Verify AWS returned our EIP
-	if len(describeAddresses.Addresses) != 1 ||
-		domain == "vpc" && *describeAddresses.Addresses[0].AllocationId != id ||
-		*describeAddresses.Addresses[0].PublicIp != id {
-		if err != nil {
-			return fmt.Errorf("Unable to find EIP: %#v", describeAddresses.Addresses)
+	var address *ec2.Address
+
+	// In the case that AWS returns more EIPs than we intend it to, we loop
+	// over the returned addresses to see if it's in the list of results
+	for _, addr := range describeAddresses.Addresses {
+		if (domain == "vpc" && aws.StringValue(addr.AllocationId) == id) || aws.StringValue(addr.PublicIp) == id {
+			address = addr
+			break
 		}
 	}
 
-	address := describeAddresses.Addresses[0]
+	if address == nil {
+		log.Printf("[WARN] EIP %q not found, removing from state", d.Id())
+		d.SetId("")
+		return nil
+	}
 
 	d.Set("association_id", address.AssociationId)
 	if address.InstanceId != nil {