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resource_aws_placement_group.go
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resource_aws_placement_group.go
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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
}