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Merge pull request #11710 from ewbankkit/aws_default_vpc-resource 

resource/aws: Add 'aws_default_vpc' resource
This commit is contained in:
Jake Champlin 2017-05-17 08:37:14 -04:00 committed by GitHub
parent 492618f8cf 2ed7297fa3
commit da2659b8e9
5 changed files with 218 additions and 18 deletions
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5
builtin/providers/aws/provider.go
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@ -370,7 +370,6 @@ func Provider() terraform.ResourceProvider {
"aws_nat_gateway": resourceAwsNatGateway(),
"aws_network_acl": resourceAwsNetworkAcl(),
"aws_default_network_acl": resourceAwsDefaultNetworkAcl(),
"aws_default_route_table": resourceAwsDefaultRouteTable(),
"aws_network_acl_rule": resourceAwsNetworkAclRule(),
"aws_network_interface": resourceAwsNetworkInterface(),
"aws_network_interface_attachment": resourceAwsNetworkInterfaceAttachment(),
@ -406,6 +405,7 @@ func Provider() terraform.ResourceProvider {
"aws_route53_health_check": resourceAwsRoute53HealthCheck(),
"aws_route": resourceAwsRoute(),
"aws_route_table": resourceAwsRouteTable(),
"aws_default_route_table": resourceAwsDefaultRouteTable(),
"aws_route_table_association": resourceAwsRouteTableAssociation(),
"aws_ses_active_receipt_rule_set": resourceAwsSesActiveReceiptRuleSet(),
"aws_ses_domain_identity": resourceAwsSesDomainIdentity(),
@ -418,8 +418,8 @@ func Provider() terraform.ResourceProvider {
"aws_s3_bucket_policy": resourceAwsS3BucketPolicy(),
"aws_s3_bucket_object": resourceAwsS3BucketObject(),
"aws_s3_bucket_notification": resourceAwsS3BucketNotification(),
"aws_default_security_group": resourceAwsDefaultSecurityGroup(),
"aws_security_group": resourceAwsSecurityGroup(),
"aws_default_security_group": resourceAwsDefaultSecurityGroup(),
"aws_security_group_rule": resourceAwsSecurityGroupRule(),
"aws_simpledb_domain": resourceAwsSimpleDBDomain(),
"aws_ssm_activation": resourceAwsSsmActivation(),
@ -447,6 +447,7 @@ func Provider() terraform.ResourceProvider {
"aws_vpc_dhcp_options": resourceAwsVpcDhcpOptions(),
"aws_vpc_peering_connection": resourceAwsVpcPeeringConnection(),
"aws_vpc_peering_connection_accepter": resourceAwsVpcPeeringConnectionAccepter(),
"aws_default_vpc": resourceAwsDefaultVpc(),
"aws_vpc": resourceAwsVpc(),
"aws_vpc_endpoint": resourceAwsVpcEndpoint(),
"aws_vpc_endpoint_route_table_association": resourceAwsVpcEndpointRouteTableAssociation(),

61
builtin/providers/aws/resource_aws_default_vpc.go Normal file
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@ -0,0 +1,61 @@
package aws
import (
"log"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/ec2"
"github.com/hashicorp/terraform/helper/schema"
)
func resourceAwsDefaultVpc() *schema.Resource {
// reuse aws_vpc schema, and methods for READ, UPDATE
dvpc := resourceAwsVpc()
dvpc.Create = resourceAwsDefaultVpcCreate
dvpc.Delete = resourceAwsDefaultVpcDelete
// cidr_block is a computed value for Default VPCs
dvpc.Schema["cidr_block"] = &schema.Schema{
Type: schema.TypeString,
Computed: true,
}
// instance_tenancy is a computed value for Default VPCs
dvpc.Schema["instance_tenancy"] = &schema.Schema{
Type: schema.TypeString,
Computed: true,
}
// assign_generated_ipv6_cidr_block is a computed value for Default VPCs
dvpc.Schema["assign_generated_ipv6_cidr_block"] = &schema.Schema{
Type: schema.TypeBool,
Computed: true,
}
return dvpc
}
func resourceAwsDefaultVpcCreate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).ec2conn
req := &ec2.DescribeVpcsInput{
Filters: []*ec2.Filter{
&ec2.Filter{
Name: aws.String("isDefault"),
Values: aws.StringSlice([]string{"true"}),
},
},
}
resp, err := conn.DescribeVpcs(req)
if err != nil {
return err
}
d.SetId(aws.StringValue(resp.Vpcs[0].VpcId))
return resourceAwsVpcUpdate(d, meta)
}
func resourceAwsDefaultVpcDelete(d *schema.ResourceData, meta interface{}) error {
log.Printf("[WARN] Cannot destroy Default VPC. Terraform will remove this resource from the state file, however resources may remain.")
d.SetId("")
return nil
}

58
builtin/providers/aws/resource_aws_default_vpc_test.go Normal file
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@ -0,0 +1,58 @@
// make testacc TEST=./builtin/providers/aws/ TESTARGS='-run=TestAccAWSDefaultVpc_'
package aws
import (
"testing"
"github.com/aws/aws-sdk-go/service/ec2"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/terraform"
)
func TestAccAWSDefaultVpc_basic(t *testing.T) {
var vpc ec2.Vpc
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckAWSDefaultVpcDestroy,
Steps: []resource.TestStep{
{
Config: testAccAWSDefaultVpcConfigBasic,
Check: resource.ComposeTestCheckFunc(
testAccCheckVpcExists("aws_default_vpc.foo", &vpc),
testAccCheckVpcCidr(&vpc, "172.31.0.0/16"),
resource.TestCheckResourceAttr(
"aws_default_vpc.foo", "cidr_block", "172.31.0.0/16"),
resource.TestCheckResourceAttr(
"aws_default_vpc.foo", "tags.%", "1"),
resource.TestCheckResourceAttr(
"aws_default_vpc.foo", "tags.Name", "Default VPC"),
resource.TestCheckNoResourceAttr(
"aws_default_vpc.foo", "assign_generated_ipv6_cidr_block"),
resource.TestCheckNoResourceAttr(
"aws_default_vpc.foo", "ipv6_association_id"),
resource.TestCheckNoResourceAttr(
"aws_default_vpc.foo", "ipv6_cidr_block"),
),
},
},
})
}
func testAccCheckAWSDefaultVpcDestroy(s *terraform.State) error {
// We expect VPC to still exist
return nil
}
const testAccAWSDefaultVpcConfigBasic = `
provider "aws" {
region = "us-west-2"
}
resource "aws_default_vpc" "foo" {
tags {
Name = "Default VPC"
}
}
`

76
website/source/docs/providers/aws/r/default_vpc.html.markdown Normal file
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@ -0,0 +1,76 @@
---
layout: "aws"
page_title: "AWS: aws_default_vpc"
sidebar_current: "docs-aws-resource-default-vpc"
description: |-
Manage the default VPC resource.
---
# aws\_default\_vpc
Provides a resource to manage the [default AWS VPC](http://docs.aws.amazon.com/AmazonVPC/latest/UserGuide/default-vpc.html)
in the current region.
For AWS accounts created after 2013-12-04, each region comes with a Default VPC.
**This is an advanced resource**, and has special caveats to be aware of when
using it. Please read this document in its entirety before using this resource.
The `aws_default_vpc` behaves differently from normal resources, in that
Terraform does not _create_ this resource, but instead "adopts" it
into management.
## Example Usage
Basic usage with tags:
```
resource "aws_default_vpc" "default" {
tags {
Name = "Default VPC"
}
}
```
## Argument Reference
The arguments of an `aws_default_vpc` differ slightly from `aws_vpc`
resources. Namely, the `cidr_block`, `instance_tenancy` and `assign_generated_ipv6_cidr_block`
arguments are computed. The following arguments are still supported:
* `enable_dns_support` - (Optional) A boolean flag to enable/disable DNS support in the VPC. Defaults true.
* `enable_dns_hostnames` - (Optional) A boolean flag to enable/disable DNS hostnames in the VPC. Defaults false.
* `enable_classiclink` - (Optional) A boolean flag to enable/disable ClassicLink
for the VPC. Only valid in regions and accounts that support EC2 Classic.
See the [ClassicLink documentation][1] for more information. Defaults false.
* `tags` - (Optional) A mapping of tags to assign to the resource.
### Removing `aws_default_vpc` from your configuration
The `aws_default_vpc` resource allows you to manage a region's default VPC,
but Terraform cannot destroy it. Removing this resource from your configuration
will remove it from your statefile and management, but will not destroy the VPC.
You can resume managing the VPC via the AWS Console.
## Attributes Reference
The following attributes are exported:
* `id` - The ID of the VPC
* `cidr_block` - The CIDR block of the VPC
* `instance_tenancy` - Tenancy of instances spin up within VPC.
* `enable_dns_support` - Whether or not the VPC has DNS support
* `enable_dns_hostnames` - Whether or not the VPC has DNS hostname support
* `enable_classiclink` - Whether or not the VPC has Classiclink enabled
* `assign_generated_ipv6_cidr_block` - Whether or not an Amazon-provided IPv6 CIDR
block with a /56 prefix length for the VPC was assigned
* `main_route_table_id` - The ID of the main route table associated with
this VPC. Note that you can change a VPC's main route table by using an
[`aws_main_route_table_association`](/docs/providers/aws/r/main_route_table_assoc.html)
* `default_network_acl_id` - The ID of the network ACL created by default on VPC creation
* `default_security_group_id` - The ID of the security group created by default on VPC creation
* `default_route_table_id` - The ID of the route table created by default on VPC creation
* `ipv6_association_id` - The association ID for the IPv6 CIDR block of the VPC
* `ipv6_cidr_block` - The IPv6 CIDR block of the VPC
[1]: https://docs.aws.amazon.com/AWSEC2/latest/UserGuide/vpc-classiclink.html

4
website/source/layouts/aws.erb
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@ -1349,6 +1349,10 @@
<a href="/docs/providers/aws/r/default_subnet.html">aws_default_subnet</a>
</li>
<li<%= sidebar_current("docs-aws-resource-default-vpc") %>>
<a href="/docs/providers/aws/r/default_vpc.html">aws_default_vpc</a>
</li>
<li<%= sidebar_current("docs-aws-resource-default-vpc-dhcp-options") %>>
<a href="/docs/providers/aws/r/default_vpc_dhcp_options.html">aws_default_vpc_dhcp_options</a>
</li>