terraform/builtin/providers/aws/resource_aws_ebs_volume.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 resourceAwsEbsVolume() *schema.Resource {
return &schema.Resource{
Create: resourceAwsEbsVolumeCreate,
Read: resourceAwsEbsVolumeRead,
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Update: resourceAWSEbsVolumeUpdate,
Delete: resourceAwsEbsVolumeDelete,
Schema: map[string]*schema.Schema{
"availability_zone": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"encrypted": &schema.Schema{
Type: schema.TypeBool,
Optional: true,
Computed: true,
ForceNew: true,
},
"iops": &schema.Schema{
Type: schema.TypeInt,
Optional: true,
Computed: true,
ForceNew: true,
},
"kms_key_id": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
"size": &schema.Schema{
Type: schema.TypeInt,
Optional: true,
Computed: true,
ForceNew: true,
},
"snapshot_id": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
"type": &schema.Schema{
Type: schema.TypeString,
Optional: true,
Computed: true,
ForceNew: true,
},
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"tags": tagsSchema(),
},
}
}
func resourceAwsEbsVolumeCreate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).ec2conn
request := &ec2.CreateVolumeInput{
AvailabilityZone: aws.String(d.Get("availability_zone").(string)),
}
if value, ok := d.GetOk("encrypted"); ok {
request.Encrypted = aws.Bool(value.(bool))
}
if value, ok := d.GetOk("iops"); ok {
request.IOPS = aws.Int64(int64(value.(int)))
}
if value, ok := d.GetOk("kms_key_id"); ok {
request.KMSKeyID = aws.String(value.(string))
}
if value, ok := d.GetOk("size"); ok {
request.Size = aws.Int64(int64(value.(int)))
}
if value, ok := d.GetOk("snapshot_id"); ok {
request.SnapshotID = aws.String(value.(string))
}
if value, ok := d.GetOk("type"); ok {
request.VolumeType = aws.String(value.(string))
}
result, err := conn.CreateVolume(request)
if err != nil {
return fmt.Errorf("Error creating EC2 volume: %s", err)
}
log.Printf(
"[DEBUG] Waiting for Volume (%s) to become available",
d.Id())
stateConf := &resource.StateChangeConf{
Pending: []string{"creating"},
Target: "available",
Refresh: volumeStateRefreshFunc(conn, *result.VolumeID),
Timeout: 5 * time.Minute,
Delay: 10 * time.Second,
MinTimeout: 3 * time.Second,
}
_, err = stateConf.WaitForState()
if err != nil {
return fmt.Errorf(
"Error waiting for Volume (%s) to become available: %s",
*result.VolumeID, err)
}
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d.SetId(*result.VolumeID)
if _, ok := d.GetOk("tags"); ok {
setTags(conn, d)
}
return readVolume(d, result)
}
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func resourceAWSEbsVolumeUpdate(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).ec2conn
if _, ok := d.GetOk("tags"); ok {
setTags(conn, d)
}
return resourceAwsEbsVolumeRead(d, meta)
}
// volumeStateRefreshFunc returns a resource.StateRefreshFunc that is used to watch
// a the state of a Volume. Returns successfully when volume is available
func volumeStateRefreshFunc(conn *ec2.EC2, volumeID string) resource.StateRefreshFunc {
return func() (interface{}, string, error) {
resp, err := conn.DescribeVolumes(&ec2.DescribeVolumesInput{
VolumeIDs: []*string{aws.String(volumeID)},
})
if err != nil {
if ec2err, ok := err.(awserr.Error); ok {
// Set this to nil as if we didn't find anything.
log.Printf("Error on Volume State Refresh: message: \"%s\", code:\"%s\"", ec2err.Message(), ec2err.Code())
resp = nil
return nil, "", err
} else {
log.Printf("Error on Volume State Refresh: %s", err)
return nil, "", err
}
}
v := resp.Volumes[0]
return v, *v.State, nil
}
}
func resourceAwsEbsVolumeRead(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).ec2conn
request := &ec2.DescribeVolumesInput{
VolumeIDs: []*string{aws.String(d.Id())},
}
response, err := conn.DescribeVolumes(request)
if err != nil {
if ec2err, ok := err.(awserr.Error); ok && ec2err.Code() == "InvalidVolume.NotFound" {
d.SetId("")
return nil
}
return fmt.Errorf("Error reading EC2 volume %s: %#v", d.Id(), err)
}
return readVolume(d, response.Volumes[0])
}
func resourceAwsEbsVolumeDelete(d *schema.ResourceData, meta interface{}) error {
conn := meta.(*AWSClient).ec2conn
request := &ec2.DeleteVolumeInput{
VolumeID: aws.String(d.Id()),
}
_, err := conn.DeleteVolume(request)
if err != nil {
return fmt.Errorf("Error deleting EC2 volume %s: %s", d.Id(), err)
}
return nil
}
func readVolume(d *schema.ResourceData, volume *ec2.Volume) error {
d.SetId(*volume.VolumeID)
d.Set("availability_zone", *volume.AvailabilityZone)
if volume.Encrypted != nil {
d.Set("encrypted", *volume.Encrypted)
}
if volume.IOPS != nil {
d.Set("iops", *volume.IOPS)
}
if volume.KMSKeyID != nil {
d.Set("kms_key_id", *volume.KMSKeyID)
}
if volume.Size != nil {
d.Set("size", *volume.Size)
}
if volume.SnapshotID != nil {
d.Set("snapshot_id", *volume.SnapshotID)
}
if volume.VolumeType != nil {
d.Set("type", *volume.VolumeType)
}
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if volume.Tags != nil {
d.Set("tags", tagsToMap(volume.Tags))
}
return nil
}