From 634984532d14771681e844210654cfc688f0fea2 Mon Sep 17 00:00:00 2001
From: Yahya Poonawala <yahyapo@thoughtworks.com>
Date: Mon, 22 Dec 2014 23:08:15 +0530
Subject: [PATCH] Adding default network acl id attribute reference on creation
 of VPC. Fixes issue #466.

---
 builtin/providers/aws/resource_aws_vpc.go | 24 +++++++++++++++++++++++
 1 file changed, 24 insertions(+)

diff --git a/builtin/providers/aws/resource_aws_vpc.go b/builtin/providers/aws/resource_aws_vpc.go
index f64bb6e5b..6d791a88d 100644
--- a/builtin/providers/aws/resource_aws_vpc.go
+++ b/builtin/providers/aws/resource_aws_vpc.go
@@ -47,6 +47,11 @@ func resourceAwsVpc() *schema.Resource {
 				Computed: true,
 			},
 
+			"default_network_acl_id": &schema.Schema{
+				Type:     schema.TypeString,
+				Computed: true,
+			},
+
 			"tags": tagsSchema(),
 		},
 	}
@@ -139,6 +144,8 @@ func resourceAwsVpcRead(d *schema.ResourceData, meta interface{}) error {
 		d.Set("main_route_table_id", v[0].RouteTableId)
 	}
 
+	resourceAwsVpcSetDefaultNetworkAcl(ec2conn, d)
+
 	return nil
 }
 
@@ -228,3 +235,20 @@ func VPCStateRefreshFunc(conn *ec2.EC2, id string) resource.StateRefreshFunc {
 		return vpc, vpc.State, nil
 	}
 }
+
+
+func resourceAwsVpcSetDefaultNetworkAcl(conn *ec2.EC2, d *schema.ResourceData) error  {
+	filter := ec2.NewFilter()
+	filter.Add("default", "true")
+	filter.Add("vpc-id", d.Id())
+	networkAclResp, err := conn.NetworkAcls(nil, filter)
+
+	if err != nil {
+		return err
+	}
+	if v := networkAclResp.NetworkAcls; len(v) > 0 {
+		d.Set("default_network_acl_id", v[0].NetworkAclId)
+	}
+
+	return nil
+}