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provider/aws: allow external ENI attachments 

If Terraform creates an ENI and it's attached out of band, Terraform
should not attempt to remove the attachment on subsequent runs.

fixes #2436
fixes #2881
This commit is contained in:
Paul Hinze 2015-08-05 11:03:43 -05:00
parent c870f45ba6
commit 3de3002b49
2 changed files with 123 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
builtin/providers/aws/resource_aws_network_interface.go
View File

@ -56,6 +56,7 @@ func resourceAwsNetworkInterface() *schema.Resource {
"attachment": &schema.Schema{
Type: schema.TypeSet,
Optional: true,
Computed: true,
Elem: &schema.Resource{
Schema: map[string]*schema.Schema{
"instance": &schema.Schema{

151
builtin/providers/aws/resource_aws_network_interface_test.go
View File

@ -57,6 +57,26 @@ func TestAccAWSENI_attached(t *testing.T) {
})
}
func TestAccAWSENI_ignoreExternalAttachment(t *testing.T) {
var conf ec2.NetworkInterface
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckAWSENIDestroy,
Steps: []resource.TestStep{
resource.TestStep{
Config: testAccAWSENIConfigExternalAttachment,
Check: resource.ComposeTestCheckFunc(
testAccCheckAWSENIExists("aws_network_interface.bar", &conf),
testAccCheckAWSENIAttributes(&conf),
testAccCheckAWSENIMakeExternalAttachment("aws_instance.foo", &conf),
),
},
},
})
}
func TestAccAWSENI_sourceDestCheck(t *testing.T) {
var conf ec2.NetworkInterface
@ -211,9 +231,29 @@ func testAccCheckAWSENIDestroy(s *terraform.State) error {
return nil
}
func testAccCheckAWSENIMakeExternalAttachment(n string, conf *ec2.NetworkInterface) resource.TestCheckFunc {
return func(s *terraform.State) error {
rs, ok := s.RootModule().Resources[n]
if !ok || rs.Primary.ID == "" {
return fmt.Errorf("Not found: %s", n)
}
attach_request := &ec2.AttachNetworkInterfaceInput{
DeviceIndex: aws.Int64(2),
InstanceID: aws.String(rs.Primary.ID),
NetworkInterfaceID: conf.NetworkInterfaceID,
}
conn := testAccProvider.Meta().(*AWSClient).ec2conn
_, attach_err := conn.AttachNetworkInterface(attach_request)
if attach_err != nil {
return fmt.Errorf("Error attaching ENI: %s", attach_err)
}
return nil
}
}
const testAccAWSENIConfig = `
resource "aws_vpc" "foo" {
cidr_block = "172.16.0.0/16"
cidr_block = "172.16.0.0/16"
}
resource "aws_subnet" "foo" {
@ -225,7 +265,7 @@ resource "aws_subnet" "foo" {
resource "aws_security_group" "foo" {
vpc_id = "${aws_vpc.foo.id}"
description = "foo"
name = "foo"
name = "foo"
egress {
from_port = 0
@ -236,9 +276,9 @@ resource "aws_security_group" "foo" {
}
resource "aws_network_interface" "bar" {
subnet_id = "${aws_subnet.foo.id}"
subnet_id = "${aws_subnet.foo.id}"
private_ips = ["172.16.10.100"]
security_groups = ["${aws_security_group.foo.id}"]
security_groups = ["${aws_security_group.foo.id}"]
tags {
Name = "bar_interface"
}
@ -258,7 +298,7 @@ resource "aws_subnet" "foo" {
resource "aws_network_interface" "bar" {
subnet_id = "${aws_subnet.foo.id}"
source_dest_check = false
source_dest_check = false
private_ips = ["172.16.10.100"]
}
`
@ -276,63 +316,116 @@ resource "aws_subnet" "foo" {
resource "aws_network_interface" "bar" {
subnet_id = "${aws_subnet.foo.id}"
source_dest_check = false
source_dest_check = false
}
`
const testAccAWSENIConfigWithAttachment = `
resource "aws_vpc" "foo" {
cidr_block = "172.16.0.0/16"
tags {
Name = "tf-eni-test"
}
cidr_block = "172.16.0.0/16"
tags {
Name = "tf-eni-test"
}
}
resource "aws_subnet" "foo" {
vpc_id = "${aws_vpc.foo.id}"
cidr_block = "172.16.10.0/24"
availability_zone = "us-west-2a"
tags {
Name = "tf-eni-test"
}
tags {
Name = "tf-eni-test"
}
}
resource "aws_subnet" "bar" {
vpc_id = "${aws_vpc.foo.id}"
cidr_block = "172.16.11.0/24"
availability_zone = "us-west-2a"
tags {
Name = "tf-eni-test"
}
tags {
Name = "tf-eni-test"
}
}
resource "aws_security_group" "foo" {
vpc_id = "${aws_vpc.foo.id}"
description = "foo"
name = "foo"
name = "foo"
}
resource "aws_instance" "foo" {
ami = "ami-c5eabbf5"
instance_type = "t2.micro"
subnet_id = "${aws_subnet.bar.id}"
associate_public_ip_address = false
private_ip = "172.16.11.50"
tags {
Name = "tf-eni-test"
}
ami = "ami-c5eabbf5"
instance_type = "t2.micro"
subnet_id = "${aws_subnet.bar.id}"
associate_public_ip_address = false
private_ip = "172.16.11.50"
tags {
Name = "tf-eni-test"
}
}
resource "aws_network_interface" "bar" {
subnet_id = "${aws_subnet.foo.id}"
subnet_id = "${aws_subnet.foo.id}"
private_ips = ["172.16.10.100"]
security_groups = ["${aws_security_group.foo.id}"]
security_groups = ["${aws_security_group.foo.id}"]
attachment {
instance = "${aws_instance.foo.id}"
device_index = 1
instance = "${aws_instance.foo.id}"
device_index = 1
}
tags {
Name = "bar_interface"
}
}
`
const testAccAWSENIConfigExternalAttachment = `
resource "aws_vpc" "foo" {
cidr_block = "172.16.0.0/16"
tags {
Name = "tf-eni-test"
}
}
resource "aws_subnet" "foo" {
vpc_id = "${aws_vpc.foo.id}"
cidr_block = "172.16.10.0/24"
availability_zone = "us-west-2a"
tags {
Name = "tf-eni-test"
}
}
resource "aws_subnet" "bar" {
vpc_id = "${aws_vpc.foo.id}"
cidr_block = "172.16.11.0/24"
availability_zone = "us-west-2a"
tags {
Name = "tf-eni-test"
}
}
resource "aws_security_group" "foo" {
vpc_id = "${aws_vpc.foo.id}"
description = "foo"
name = "foo"
}
resource "aws_instance" "foo" {
ami = "ami-c5eabbf5"
instance_type = "t2.micro"
subnet_id = "${aws_subnet.bar.id}"
associate_public_ip_address = false
private_ip = "172.16.11.50"
tags {
Name = "tf-eni-test"
}
}
resource "aws_network_interface" "bar" {
subnet_id = "${aws_subnet.foo.id}"
private_ips = ["172.16.10.100"]
security_groups = ["${aws_security_group.foo.id}"]
tags {
Name = "bar_interface"
}
}
`