Merge pull request #3457 from TimeIncOSS/f-aws-ec2-placement-groups

provider/aws: Add support for EC2 Placement Group
This commit is contained in:
Paul Hinze 2015-10-12 14:24:12 -05:00
commit 61721387b3
5 changed files with 288 additions and 1 deletions

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@ -221,6 +221,7 @@ func Provider() terraform.ResourceProvider {
"aws_opsworks_mysql_layer": resourceAwsOpsworksMysqlLayer(),
"aws_opsworks_ganglia_layer": resourceAwsOpsworksGangliaLayer(),
"aws_opsworks_custom_layer": resourceAwsOpsworksCustomLayer(),
"aws_placement_group": resourceAwsPlacementGroup(),
"aws_proxy_protocol_policy": resourceAwsProxyProtocolPolicy(),
"aws_rds_cluster": resourceAwsRDSCluster(),
"aws_rds_cluster_instance": resourceAwsRDSClusterInstance(),

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@ -0,0 +1,150 @@
package aws
import (
"fmt"
"log"
"time"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/awserr"
"github.com/aws/aws-sdk-go/service/ec2"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
)
func resourceAwsPlacementGroup() *schema.Resource {
return &schema.Resource{
Create: resourceAwsPlacementGroupCreate,
Read: resourceAwsPlacementGroupRead,
Delete: resourceAwsPlacementGroupDelete,
Schema: map[string]*schema.Schema{
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"strategy": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
},
}
}
func resourceAwsPlacementGroupCreate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).ec2conn
name := d.Get("name").(string)
input := ec2.CreatePlacementGroupInput{
GroupName: aws.String(name),
Strategy: aws.String(d.Get("strategy").(string)),
}
log.Printf("[DEBUG] Creating EC2 Placement group: %s", input)
_, err := conn.CreatePlacementGroup(&input)
if err != nil {
return err
}
wait := resource.StateChangeConf{
Pending: []string{"pending"},
Target: "available",
Timeout: 5 * time.Minute,
MinTimeout: 1 * time.Second,
Refresh: func() (interface{}, string, error) {
out, err := conn.DescribePlacementGroups(&ec2.DescribePlacementGroupsInput{
GroupNames: []*string{aws.String(name)},
})
if err != nil {
return out, "", err
}
if len(out.PlacementGroups) == 0 {
return out, "", fmt.Errorf("Placement group not found (%q)", name)
}
pg := out.PlacementGroups[0]
return out, *pg.State, nil
},
}
_, err = wait.WaitForState()
if err != nil {
return err
}
log.Printf("[DEBUG] EC2 Placement group created: %q", name)
d.SetId(name)
return resourceAwsPlacementGroupRead(d, meta)
}
func resourceAwsPlacementGroupRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).ec2conn
input := ec2.DescribePlacementGroupsInput{
GroupNames: []*string{aws.String(d.Get("name").(string))},
}
out, err := conn.DescribePlacementGroups(&input)
if err != nil {
return err
}
pg := out.PlacementGroups[0]
log.Printf("[DEBUG] Received EC2 Placement Group: %s", pg)
d.Set("name", pg.GroupName)
d.Set("strategy", pg.Strategy)
return nil
}
func resourceAwsPlacementGroupDelete(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).ec2conn
log.Printf("[DEBUG] Deleting EC2 Placement Group %q", d.Id())
_, err := conn.DeletePlacementGroup(&ec2.DeletePlacementGroupInput{
GroupName: aws.String(d.Id()),
})
if err != nil {
return err
}
wait := resource.StateChangeConf{
Pending: []string{"deleting"},
Target: "deleted",
Timeout: 5 * time.Minute,
MinTimeout: 1 * time.Second,
Refresh: func() (interface{}, string, error) {
out, err := conn.DescribePlacementGroups(&ec2.DescribePlacementGroupsInput{
GroupNames: []*string{aws.String(d.Id())},
})
if err != nil {
awsErr := err.(awserr.Error)
if awsErr.Code() == "InvalidPlacementGroup.Unknown" {
return out, "deleted", nil
}
return out, "", awsErr
}
if len(out.PlacementGroups) == 0 {
return out, "deleted", nil
}
pg := out.PlacementGroups[0]
return out, *pg.State, nil
},
}
_, err = wait.WaitForState()
if err != nil {
return err
}
d.SetId("")
return nil
}

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@ -0,0 +1,98 @@
package aws
import (
"fmt"
"testing"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/terraform"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/service/ec2"
)
func TestAccAWSPlacementGroup_basic(t *testing.T) {
resource.Test(t, resource.TestCase{
PreCheck: func() { testAccPreCheck(t) },
Providers: testAccProviders,
CheckDestroy: testAccCheckAWSPlacementGroupDestroy,
Steps: []resource.TestStep{
resource.TestStep{
Config: testAccAWSPlacementGroupConfig,
Check: resource.ComposeTestCheckFunc(
testAccCheckAWSPlacementGroupExists("aws_placement_group.pg"),
),
},
},
})
}
func testAccCheckAWSPlacementGroupDestroy(s *terraform.State) error {
conn := testAccProvider.Meta().(*AWSClient).ec2conn
for _, rs := range s.RootModule().Resources {
if rs.Type != "aws_placement_group" {
continue
}
_, err := conn.DeletePlacementGroup(&ec2.DeletePlacementGroupInput{
GroupName: aws.String(rs.Primary.ID),
})
if err != nil {
return err
}
}
return nil
}
func testAccCheckAWSPlacementGroupExists(n string) resource.TestCheckFunc {
return func(s *terraform.State) error {
rs, ok := s.RootModule().Resources[n]
if !ok {
return fmt.Errorf("Not found: %s", n)
}
if rs.Primary.ID == "" {
return fmt.Errorf("No Placement Group ID is set")
}
conn := testAccProvider.Meta().(*AWSClient).ec2conn
_, err := conn.DescribePlacementGroups(&ec2.DescribePlacementGroupsInput{
GroupNames: []*string{aws.String(rs.Primary.ID)},
})
if err != nil {
return fmt.Errorf("Placement Group error: %v", err)
}
return nil
}
}
func testAccCheckAWSDestroyPlacementGroup(n string) resource.TestCheckFunc {
return func(s *terraform.State) error {
rs, ok := s.RootModule().Resources[n]
if !ok {
return fmt.Errorf("Not found: %s", n)
}
if rs.Primary.ID == "" {
return fmt.Errorf("No Placement Group ID is set")
}
conn := testAccProvider.Meta().(*AWSClient).ec2conn
_, err := conn.DeletePlacementGroup(&ec2.DeletePlacementGroupInput{
GroupName: aws.String(rs.Primary.ID),
})
if err != nil {
return fmt.Errorf("Error destroying Placement Group (%s): %s", rs.Primary.ID, err)
}
return nil
}
}
var testAccAWSPlacementGroupConfig = `
resource "aws_placement_group" "pg" {
name = "tf-test-pg"
strategy = "cluster"
}
`

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@ -0,0 +1,34 @@
---
layout: "aws"
page_title: "AWS: aws_placement_group"
sidebar_current: "docs-aws-resource-placement-group"
description: |-
Provides an EC2 placement group.
---
# aws\_placement\_group
Provides an EC2 placement group. Read more about placement groups
in [AWS Docs](http://docs.aws.amazon.com/AWSEC2/latest/UserGuide/placement-groups.html).
## Example Usage
```
resource "aws_placement_group" "web" {
name = "hunky-dory-pg"
strategy = "cluster"
}
```
## Argument Reference
The following arguments are supported:
* `name` - (Required) The name of the placement group.
* `strategy` - (Required) The placement strategy. The only supported value is `cluster`
## Attributes Reference
The following attributes are exported:
* `id` - The name of the placement group.

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@ -49,7 +49,7 @@
</li>
<li<%= sidebar_current(/^docs-aws-resource-(app|autoscaling|ebs|elb|eip|instance|launch|lb|proxy|spot|volume)/) %>>
<li<%= sidebar_current(/^docs-aws-resource-(app|autoscaling|ebs|elb|eip|instance|launch|lb|proxy|spot|volume|placement)/) %>>
<a href="#">EC2 Resources</a>
<ul class="nav nav-visible">
@ -109,6 +109,10 @@
<a href="/docs/providers/aws/r/lb_cookie_stickiness_policy.html">aws_lb_cookie_stickiness_policy</a>
</li>
<li<%= sidebar_current("docs-aws-resource-placement-group") %>>
<a href="/docs/providers/aws/r/placement_group.html">aws_placement_group</a>
</li>
<li<%= sidebar_current("docs-aws-resource-proxy-protocol-policy") %>>
<a href="/docs/providers/aws/r/proxy_protocol_policy.html">aws_proxy_protocol_policy</a>
</li>