terraform/builtin/providers/aws/resource_aws_instance_test.go

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package aws
import (
"fmt"
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"reflect"
"testing"
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"github.com/hashicorp/terraform/helper/resource"
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"github.com/hashicorp/terraform/helper/schema"
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"github.com/hashicorp/terraform/terraform"
"github.com/mitchellh/goamz/ec2"
)
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func TestAccAWSInstance_normal(t *testing.T) {
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var v ec2.Instance
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testCheck := func(*terraform.State) error {
if v.AvailZone != "us-west-2a" {
return fmt.Errorf("bad availability zone: %#v", v.AvailZone)
}
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if len(v.SecurityGroups) == 0 {
return fmt.Errorf("no security groups: %#v", v.SecurityGroups)
}
if v.SecurityGroups[0].Name != "tf_test_foo" {
return fmt.Errorf("no security groups: %#v", v.SecurityGroups)
}
return nil
}
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resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckInstanceDestroy,
Steps: []resource.TestStep{
resource.TestStep{
Config: testAccInstanceConfig,
Check: resource.ComposeTestCheckFunc(
testAccCheckInstanceExists(
"aws_instance.foo", &v),
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testCheck,
resource.TestCheckResourceAttr(
"aws_instance.foo",
"user_data",
"0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33"),
),
},
// We repeat the exact same test so that we can be sure
// that the user data hash stuff is working without generating
// an incorrect diff.
resource.TestStep{
Config: testAccInstanceConfig,
Check: resource.ComposeTestCheckFunc(
testAccCheckInstanceExists(
"aws_instance.foo", &v),
testCheck,
resource.TestCheckResourceAttr(
"aws_instance.foo",
"user_data",
"0beec7b5ea3f0fdbc95d0dd47f3c5bc275da8a33"),
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),
},
},
})
}
providers/aws: add root_block_device to aws_instance AWS provides a single `BlockDeviceMapping` to manage three different kinds of block devices: (a) The root volume (b) Ephemeral storage (c) Additional EBS volumes Each of these types has slightly different semantics [1]. (a) The root volume is defined by the AMI; it can only be customized with `volume_size`, `volume_type`, and `delete_on_termination`. (b) Ephemeral storage is made available based on instance type [2]. It's attached automatically if _no_ block device mappings are specified, and must otherwise be defined with block device mapping entries that contain only DeviceName set to a device like "/dev/sdX" and VirtualName set to "ephemeralN". (c) Additional EBS volumes are controlled by mappings that omit `virtual_name` and can specify `volume_size`, `volume_type`, `delete_on_termination`, `snapshot_id`, and `encryption`. After deciding to ignore root block devices to fix #859, we had users with configurations that were attempting to manage the root block device chime in on #913. Terraform does not have the primitives to be able to properly handle a single collection of resources that is partially managed and partially computed, so our strategy here is to break out logical sub-resources for Terraform and hide the BlockDeviceMapping inside the provider implementation. Now (a) is supported by the `root_block_device` sub-resource, and (b) and (c) are still both merged together under `block_device`, though I have yet to see ephemeral block devices working properly. Looking into possibly separating out `ephemeral_block_device` and `ebs_block_device` sub-resources as well, which seem like the logical next step. We'll wait until the next big release for this, though, since it will break backcompat. [1] http://bit.ly/ec2bdmap [2] http://bit.ly/instancestorebytype Fixes #913 Refs #858
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func TestAccAWSInstance_blockDevices(t *testing.T) {
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var v ec2.Instance
testCheck := func() resource.TestCheckFunc {
return func(*terraform.State) error {
// Map out the block devices by name, which should be unique.
blockDevices := make(map[string]ec2.BlockDevice)
for _, blockDevice := range v.BlockDevices {
blockDevices[blockDevice.DeviceName] = blockDevice
}
providers/aws: add root_block_device to aws_instance AWS provides a single `BlockDeviceMapping` to manage three different kinds of block devices: (a) The root volume (b) Ephemeral storage (c) Additional EBS volumes Each of these types has slightly different semantics [1]. (a) The root volume is defined by the AMI; it can only be customized with `volume_size`, `volume_type`, and `delete_on_termination`. (b) Ephemeral storage is made available based on instance type [2]. It's attached automatically if _no_ block device mappings are specified, and must otherwise be defined with block device mapping entries that contain only DeviceName set to a device like "/dev/sdX" and VirtualName set to "ephemeralN". (c) Additional EBS volumes are controlled by mappings that omit `virtual_name` and can specify `volume_size`, `volume_type`, `delete_on_termination`, `snapshot_id`, and `encryption`. After deciding to ignore root block devices to fix #859, we had users with configurations that were attempting to manage the root block device chime in on #913. Terraform does not have the primitives to be able to properly handle a single collection of resources that is partially managed and partially computed, so our strategy here is to break out logical sub-resources for Terraform and hide the BlockDeviceMapping inside the provider implementation. Now (a) is supported by the `root_block_device` sub-resource, and (b) and (c) are still both merged together under `block_device`, though I have yet to see ephemeral block devices working properly. Looking into possibly separating out `ephemeral_block_device` and `ebs_block_device` sub-resources as well, which seem like the logical next step. We'll wait until the next big release for this, though, since it will break backcompat. [1] http://bit.ly/ec2bdmap [2] http://bit.ly/instancestorebytype Fixes #913 Refs #858
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// Check if the root block device exists.
if _, ok := blockDevices["/dev/sda1"]; !ok {
fmt.Errorf("block device doesn't exist: /dev/sda1")
}
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// Check if the secondary block device exists.
if _, ok := blockDevices["/dev/sdb"]; !ok {
fmt.Errorf("block device doesn't exist: /dev/sdb")
}
return nil
}
}
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckInstanceDestroy,
Steps: []resource.TestStep{
resource.TestStep{
Config: testAccInstanceConfigBlockDevices,
Check: resource.ComposeTestCheckFunc(
testAccCheckInstanceExists(
"aws_instance.foo", &v),
providers/aws: add root_block_device to aws_instance AWS provides a single `BlockDeviceMapping` to manage three different kinds of block devices: (a) The root volume (b) Ephemeral storage (c) Additional EBS volumes Each of these types has slightly different semantics [1]. (a) The root volume is defined by the AMI; it can only be customized with `volume_size`, `volume_type`, and `delete_on_termination`. (b) Ephemeral storage is made available based on instance type [2]. It's attached automatically if _no_ block device mappings are specified, and must otherwise be defined with block device mapping entries that contain only DeviceName set to a device like "/dev/sdX" and VirtualName set to "ephemeralN". (c) Additional EBS volumes are controlled by mappings that omit `virtual_name` and can specify `volume_size`, `volume_type`, `delete_on_termination`, `snapshot_id`, and `encryption`. After deciding to ignore root block devices to fix #859, we had users with configurations that were attempting to manage the root block device chime in on #913. Terraform does not have the primitives to be able to properly handle a single collection of resources that is partially managed and partially computed, so our strategy here is to break out logical sub-resources for Terraform and hide the BlockDeviceMapping inside the provider implementation. Now (a) is supported by the `root_block_device` sub-resource, and (b) and (c) are still both merged together under `block_device`, though I have yet to see ephemeral block devices working properly. Looking into possibly separating out `ephemeral_block_device` and `ebs_block_device` sub-resources as well, which seem like the logical next step. We'll wait until the next big release for this, though, since it will break backcompat. [1] http://bit.ly/ec2bdmap [2] http://bit.ly/instancestorebytype Fixes #913 Refs #858
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resource.TestCheckResourceAttr(
"aws_instance.foo", "root_block_device.#", "1"),
resource.TestCheckResourceAttr(
"aws_instance.foo", "root_block_device.0.device_name", "/dev/sda1"),
resource.TestCheckResourceAttr(
"aws_instance.foo", "root_block_device.0.volume_size", "11"),
resource.TestCheckResourceAttr(
"aws_instance.foo", "block_device.#", "1"),
providers/aws: add root_block_device to aws_instance AWS provides a single `BlockDeviceMapping` to manage three different kinds of block devices: (a) The root volume (b) Ephemeral storage (c) Additional EBS volumes Each of these types has slightly different semantics [1]. (a) The root volume is defined by the AMI; it can only be customized with `volume_size`, `volume_type`, and `delete_on_termination`. (b) Ephemeral storage is made available based on instance type [2]. It's attached automatically if _no_ block device mappings are specified, and must otherwise be defined with block device mapping entries that contain only DeviceName set to a device like "/dev/sdX" and VirtualName set to "ephemeralN". (c) Additional EBS volumes are controlled by mappings that omit `virtual_name` and can specify `volume_size`, `volume_type`, `delete_on_termination`, `snapshot_id`, and `encryption`. After deciding to ignore root block devices to fix #859, we had users with configurations that were attempting to manage the root block device chime in on #913. Terraform does not have the primitives to be able to properly handle a single collection of resources that is partially managed and partially computed, so our strategy here is to break out logical sub-resources for Terraform and hide the BlockDeviceMapping inside the provider implementation. Now (a) is supported by the `root_block_device` sub-resource, and (b) and (c) are still both merged together under `block_device`, though I have yet to see ephemeral block devices working properly. Looking into possibly separating out `ephemeral_block_device` and `ebs_block_device` sub-resources as well, which seem like the logical next step. We'll wait until the next big release for this, though, since it will break backcompat. [1] http://bit.ly/ec2bdmap [2] http://bit.ly/instancestorebytype Fixes #913 Refs #858
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resource.TestCheckResourceAttr(
"aws_instance.foo", "block_device.172787947.device_name", "/dev/sdb"),
resource.TestCheckResourceAttr(
"aws_instance.foo", "block_device.172787947.volume_size", "9"),
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testCheck(),
),
},
},
})
}
func TestAccAWSInstance_sourceDestCheck(t *testing.T) {
var v ec2.Instance
testCheck := func(enabled bool) resource.TestCheckFunc {
return func(*terraform.State) error {
if v.SourceDestCheck != enabled {
return fmt.Errorf("bad source_dest_check: %#v", v.SourceDestCheck)
}
return nil
}
}
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckInstanceDestroy,
Steps: []resource.TestStep{
resource.TestStep{
Config: testAccInstanceConfigSourceDest,
Check: resource.ComposeTestCheckFunc(
testAccCheckInstanceExists(
"aws_instance.foo", &v),
testCheck(true),
),
},
resource.TestStep{
Config: testAccInstanceConfigSourceDestDisable,
Check: resource.ComposeTestCheckFunc(
testAccCheckInstanceExists(
"aws_instance.foo", &v),
testCheck(false),
),
},
},
})
}
func TestAccAWSInstance_vpc(t *testing.T) {
var v ec2.Instance
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckInstanceDestroy,
Steps: []resource.TestStep{
resource.TestStep{
Config: testAccInstanceConfigVPC,
Check: resource.ComposeTestCheckFunc(
testAccCheckInstanceExists(
"aws_instance.foo", &v),
),
},
},
})
}
func TestAccInstance_tags(t *testing.T) {
var v ec2.Instance
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckInstanceDestroy,
Steps: []resource.TestStep{
resource.TestStep{
Config: testAccCheckInstanceConfigTags,
Check: resource.ComposeTestCheckFunc(
testAccCheckInstanceExists("aws_instance.foo", &v),
testAccCheckTags(&v.Tags, "foo", "bar"),
// Guard against regression of https://github.com/hashicorp/terraform/issues/914
testAccCheckTags(&v.Tags, "#", ""),
),
},
resource.TestStep{
Config: testAccCheckInstanceConfigTagsUpdate,
Check: resource.ComposeTestCheckFunc(
testAccCheckInstanceExists("aws_instance.foo", &v),
testAccCheckTags(&v.Tags, "foo", ""),
testAccCheckTags(&v.Tags, "bar", "baz"),
),
},
},
})
}
func TestAccInstance_privateIP(t *testing.T) {
var v ec2.Instance
testCheckPrivateIP := func() resource.TestCheckFunc {
return func(*terraform.State) error {
if v.PrivateIpAddress != "10.1.1.42" {
return fmt.Errorf("bad private IP: %s", v.PrivateIpAddress)
}
return nil
}
}
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckInstanceDestroy,
Steps: []resource.TestStep{
resource.TestStep{
Config: testAccInstanceConfigPrivateIP,
Check: resource.ComposeTestCheckFunc(
testAccCheckInstanceExists("aws_instance.foo", &v),
testCheckPrivateIP(),
),
},
},
})
}
func TestAccInstance_associatePublicIPAndPrivateIP(t *testing.T) {
var v ec2.Instance
testCheckPrivateIP := func() resource.TestCheckFunc {
return func(*terraform.State) error {
if v.PrivateIpAddress != "10.1.1.42" {
return fmt.Errorf("bad private IP: %s", v.PrivateIpAddress)
}
return nil
}
}
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckInstanceDestroy,
Steps: []resource.TestStep{
resource.TestStep{
Config: testAccInstanceConfigAssociatePublicIPAndPrivateIP,
Check: resource.ComposeTestCheckFunc(
testAccCheckInstanceExists("aws_instance.foo", &v),
testCheckPrivateIP(),
),
},
},
})
}
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func testAccCheckInstanceDestroy(s *terraform.State) error {
conn := testAccProvider.Meta().(*AWSClient).ec2conn
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for _, rs := range s.RootModule().Resources {
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if rs.Type != "aws_instance" {
continue
}
// Try to find the resource
resp, err := conn.Instances(
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[]string{rs.Primary.ID}, ec2.NewFilter())
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if err == nil {
if len(resp.Reservations) > 0 {
return fmt.Errorf("still exist.")
}
return nil
}
// Verify the error is what we want
ec2err, ok := err.(*ec2.Error)
if !ok {
return err
}
if ec2err.Code != "InvalidInstanceID.NotFound" {
return err
}
}
return nil
}
func testAccCheckInstanceExists(n string, i *ec2.Instance) resource.TestCheckFunc {
return func(s *terraform.State) error {
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rs, ok := s.RootModule().Resources[n]
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if !ok {
return fmt.Errorf("Not found: %s", n)
}
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if rs.Primary.ID == "" {
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return fmt.Errorf("No ID is set")
}
conn := testAccProvider.Meta().(*AWSClient).ec2conn
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resp, err := conn.Instances(
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[]string{rs.Primary.ID}, ec2.NewFilter())
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if err != nil {
return err
}
if len(resp.Reservations) == 0 {
return fmt.Errorf("Instance not found")
}
*i = resp.Reservations[0].Instances[0]
return nil
}
}
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func TestInstanceTenancySchema(t *testing.T) {
actualSchema := resourceAwsInstance().Schema["tenancy"]
expectedSchema := &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
}
if !reflect.DeepEqual(actualSchema, expectedSchema) {
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t.Fatalf(
"Got:\n\n%#v\n\nExpected:\n\n%#v\n",
actualSchema,
expectedSchema)
}
}
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const testAccInstanceConfig = `
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resource "aws_security_group" "tf_test_foo" {
name = "tf_test_foo"
description = "foo"
ingress {
protocol = "icmp"
from_port = -1
to_port = -1
cidr_blocks = ["0.0.0.0/0"]
}
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}
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resource "aws_instance" "foo" {
# us-west-2
ami = "ami-4fccb37f"
availability_zone = "us-west-2a"
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instance_type = "m1.small"
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security_groups = ["${aws_security_group.tf_test_foo.name}"]
user_data = "foo"
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}
`
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const testAccInstanceConfigBlockDevices = `
resource "aws_instance" "foo" {
# us-west-2
ami = "ami-55a7ea65"
instance_type = "m1.small"
providers/aws: add root_block_device to aws_instance AWS provides a single `BlockDeviceMapping` to manage three different kinds of block devices: (a) The root volume (b) Ephemeral storage (c) Additional EBS volumes Each of these types has slightly different semantics [1]. (a) The root volume is defined by the AMI; it can only be customized with `volume_size`, `volume_type`, and `delete_on_termination`. (b) Ephemeral storage is made available based on instance type [2]. It's attached automatically if _no_ block device mappings are specified, and must otherwise be defined with block device mapping entries that contain only DeviceName set to a device like "/dev/sdX" and VirtualName set to "ephemeralN". (c) Additional EBS volumes are controlled by mappings that omit `virtual_name` and can specify `volume_size`, `volume_type`, `delete_on_termination`, `snapshot_id`, and `encryption`. After deciding to ignore root block devices to fix #859, we had users with configurations that were attempting to manage the root block device chime in on #913. Terraform does not have the primitives to be able to properly handle a single collection of resources that is partially managed and partially computed, so our strategy here is to break out logical sub-resources for Terraform and hide the BlockDeviceMapping inside the provider implementation. Now (a) is supported by the `root_block_device` sub-resource, and (b) and (c) are still both merged together under `block_device`, though I have yet to see ephemeral block devices working properly. Looking into possibly separating out `ephemeral_block_device` and `ebs_block_device` sub-resources as well, which seem like the logical next step. We'll wait until the next big release for this, though, since it will break backcompat. [1] http://bit.ly/ec2bdmap [2] http://bit.ly/instancestorebytype Fixes #913 Refs #858
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root_block_device {
device_name = "/dev/sda1"
volume_type = "gp2"
volume_size = 11
}
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block_device {
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device_name = "/dev/sdb"
volume_type = "gp2"
providers/aws: add root_block_device to aws_instance AWS provides a single `BlockDeviceMapping` to manage three different kinds of block devices: (a) The root volume (b) Ephemeral storage (c) Additional EBS volumes Each of these types has slightly different semantics [1]. (a) The root volume is defined by the AMI; it can only be customized with `volume_size`, `volume_type`, and `delete_on_termination`. (b) Ephemeral storage is made available based on instance type [2]. It's attached automatically if _no_ block device mappings are specified, and must otherwise be defined with block device mapping entries that contain only DeviceName set to a device like "/dev/sdX" and VirtualName set to "ephemeralN". (c) Additional EBS volumes are controlled by mappings that omit `virtual_name` and can specify `volume_size`, `volume_type`, `delete_on_termination`, `snapshot_id`, and `encryption`. After deciding to ignore root block devices to fix #859, we had users with configurations that were attempting to manage the root block device chime in on #913. Terraform does not have the primitives to be able to properly handle a single collection of resources that is partially managed and partially computed, so our strategy here is to break out logical sub-resources for Terraform and hide the BlockDeviceMapping inside the provider implementation. Now (a) is supported by the `root_block_device` sub-resource, and (b) and (c) are still both merged together under `block_device`, though I have yet to see ephemeral block devices working properly. Looking into possibly separating out `ephemeral_block_device` and `ebs_block_device` sub-resources as well, which seem like the logical next step. We'll wait until the next big release for this, though, since it will break backcompat. [1] http://bit.ly/ec2bdmap [2] http://bit.ly/instancestorebytype Fixes #913 Refs #858
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volume_size = 9
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}
}
`
const testAccInstanceConfigSourceDest = `
resource "aws_vpc" "foo" {
cidr_block = "10.1.0.0/16"
}
resource "aws_subnet" "foo" {
cidr_block = "10.1.1.0/24"
vpc_id = "${aws_vpc.foo.id}"
}
resource "aws_instance" "foo" {
# us-west-2
ami = "ami-4fccb37f"
instance_type = "m1.small"
subnet_id = "${aws_subnet.foo.id}"
source_dest_check = true
}
`
const testAccInstanceConfigSourceDestDisable = `
resource "aws_vpc" "foo" {
cidr_block = "10.1.0.0/16"
}
resource "aws_subnet" "foo" {
cidr_block = "10.1.1.0/24"
vpc_id = "${aws_vpc.foo.id}"
}
resource "aws_instance" "foo" {
# us-west-2
ami = "ami-4fccb37f"
instance_type = "m1.small"
subnet_id = "${aws_subnet.foo.id}"
source_dest_check = false
}
`
const testAccInstanceConfigVPC = `
resource "aws_vpc" "foo" {
cidr_block = "10.1.0.0/16"
}
resource "aws_subnet" "foo" {
cidr_block = "10.1.1.0/24"
vpc_id = "${aws_vpc.foo.id}"
}
resource "aws_instance" "foo" {
# us-west-2
ami = "ami-4fccb37f"
instance_type = "m1.small"
subnet_id = "${aws_subnet.foo.id}"
associate_public_ip_address = true
tenancy = "dedicated"
}
`
const testAccCheckInstanceConfigTags = `
resource "aws_instance" "foo" {
ami = "ami-4fccb37f"
instance_type = "m1.small"
tags {
foo = "bar"
}
}
`
const testAccCheckInstanceConfigTagsUpdate = `
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resource "aws_instance" "foo" {
ami = "ami-4fccb37f"
instance_type = "m1.small"
tags {
bar = "baz"
}
}
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`
const testAccInstanceConfigPrivateIP = `
resource "aws_vpc" "foo" {
cidr_block = "10.1.0.0/16"
}
resource "aws_subnet" "foo" {
cidr_block = "10.1.1.0/24"
vpc_id = "${aws_vpc.foo.id}"
}
resource "aws_instance" "foo" {
ami = "ami-c5eabbf5"
instance_type = "t2.micro"
subnet_id = "${aws_subnet.foo.id}"
private_ip = "10.1.1.42"
}
`
const testAccInstanceConfigAssociatePublicIPAndPrivateIP = `
resource "aws_vpc" "foo" {
cidr_block = "10.1.0.0/16"
}
resource "aws_subnet" "foo" {
cidr_block = "10.1.1.0/24"
vpc_id = "${aws_vpc.foo.id}"
}
resource "aws_instance" "foo" {
ami = "ami-c5eabbf5"
instance_type = "t2.micro"
subnet_id = "${aws_subnet.foo.id}"
associate_public_ip_address = true
private_ip = "10.1.1.42"
}
`