187 lines
4.8 KiB
Go
187 lines
4.8 KiB
Go
package openstack
|
|
|
|
import (
|
|
"fmt"
|
|
"log"
|
|
"strings"
|
|
"time"
|
|
|
|
"github.com/gophercloud/gophercloud"
|
|
"github.com/gophercloud/gophercloud/openstack/compute/v2/extensions/volumeattach"
|
|
|
|
"github.com/hashicorp/terraform/helper/resource"
|
|
"github.com/hashicorp/terraform/helper/schema"
|
|
)
|
|
|
|
func resourceComputeVolumeAttachV2() *schema.Resource {
|
|
return &schema.Resource{
|
|
Create: resourceComputeVolumeAttachV2Create,
|
|
Read: resourceComputeVolumeAttachV2Read,
|
|
Delete: resourceComputeVolumeAttachV2Delete,
|
|
Importer: &schema.ResourceImporter{
|
|
State: schema.ImportStatePassthrough,
|
|
},
|
|
|
|
Schema: map[string]*schema.Schema{
|
|
"region": &schema.Schema{
|
|
Type: schema.TypeString,
|
|
Required: true,
|
|
ForceNew: true,
|
|
DefaultFunc: schema.EnvDefaultFunc("OS_REGION_NAME", ""),
|
|
},
|
|
|
|
"instance_id": &schema.Schema{
|
|
Type: schema.TypeString,
|
|
Required: true,
|
|
ForceNew: true,
|
|
},
|
|
|
|
"volume_id": &schema.Schema{
|
|
Type: schema.TypeString,
|
|
Required: true,
|
|
ForceNew: true,
|
|
},
|
|
|
|
"device": &schema.Schema{
|
|
Type: schema.TypeString,
|
|
Computed: true,
|
|
Optional: true,
|
|
},
|
|
},
|
|
}
|
|
}
|
|
|
|
func resourceComputeVolumeAttachV2Create(d *schema.ResourceData, meta interface{}) error {
|
|
config := meta.(*Config)
|
|
computeClient, err := config.computeV2Client(d.Get("region").(string))
|
|
if err != nil {
|
|
return fmt.Errorf("Error creating OpenStack compute client: %s", err)
|
|
}
|
|
|
|
instanceId := d.Get("instance_id").(string)
|
|
volumeId := d.Get("volume_id").(string)
|
|
|
|
var device string
|
|
if v, ok := d.GetOk("device"); ok {
|
|
device = v.(string)
|
|
}
|
|
|
|
attachOpts := volumeattach.CreateOpts{
|
|
Device: device,
|
|
VolumeID: volumeId,
|
|
}
|
|
|
|
log.Printf("[DEBUG] Creating volume attachment: %#v", attachOpts)
|
|
|
|
attachment, err := volumeattach.Create(computeClient, instanceId, attachOpts).Extract()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
log.Printf("[DEBUG] Created volume attachment: %#v", attachment)
|
|
|
|
// Use the instance ID and attachment ID as the resource ID.
|
|
// This is because an attachment cannot be retrieved just by its ID alone.
|
|
id := fmt.Sprintf("%s/%s", instanceId, attachment.ID)
|
|
|
|
d.SetId(id)
|
|
|
|
return resourceComputeVolumeAttachV2Read(d, meta)
|
|
}
|
|
|
|
func resourceComputeVolumeAttachV2Read(d *schema.ResourceData, meta interface{}) error {
|
|
config := meta.(*Config)
|
|
computeClient, err := config.computeV2Client(d.Get("region").(string))
|
|
if err != nil {
|
|
return fmt.Errorf("Error creating OpenStack compute client: %s", err)
|
|
}
|
|
|
|
instanceId, attachmentId, err := parseComputeVolumeAttachmentId(d.Id())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
attachment, err := volumeattach.Get(computeClient, instanceId, attachmentId).Extract()
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
log.Printf("[DEBUG] Retrieved volume attachment: %#v", attachment)
|
|
|
|
d.Set("instance_id", attachment.ServerID)
|
|
d.Set("volume_id", attachment.VolumeID)
|
|
d.Set("device", attachment.Device)
|
|
|
|
return nil
|
|
}
|
|
|
|
func resourceComputeVolumeAttachV2Delete(d *schema.ResourceData, meta interface{}) error {
|
|
config := meta.(*Config)
|
|
computeClient, err := config.computeV2Client(d.Get("region").(string))
|
|
if err != nil {
|
|
return fmt.Errorf("Error creating OpenStack compute client: %s", err)
|
|
}
|
|
|
|
instanceId, attachmentId, err := parseComputeVolumeAttachmentId(d.Id())
|
|
if err != nil {
|
|
return err
|
|
}
|
|
|
|
stateConf := &resource.StateChangeConf{
|
|
Pending: []string{""},
|
|
Target: []string{"DETACHED"},
|
|
Refresh: volumeDetachRefreshFunc(computeClient, instanceId, attachmentId),
|
|
Timeout: 10 * time.Minute,
|
|
Delay: 15 * time.Second,
|
|
MinTimeout: 15 * time.Second,
|
|
}
|
|
|
|
if _, err = stateConf.WaitForState(); err != nil {
|
|
return fmt.Errorf("Error detaching OpenStack volume: %s", err)
|
|
}
|
|
|
|
return nil
|
|
}
|
|
|
|
func volumeDetachRefreshFunc(computeClient *gophercloud.ServiceClient, instanceId, attachmentId string) resource.StateRefreshFunc {
|
|
return func() (interface{}, string, error) {
|
|
log.Printf("[DEBUG] Attempting to detach OpenStack volume %s from instance %s", attachmentId, instanceId)
|
|
|
|
va, err := volumeattach.Get(computeClient, instanceId, attachmentId).Extract()
|
|
if err != nil {
|
|
if _, ok := err.(gophercloud.ErrDefault404); ok {
|
|
return va, "DETACHED", nil
|
|
}
|
|
return va, "", err
|
|
}
|
|
|
|
err = volumeattach.Delete(computeClient, instanceId, attachmentId).ExtractErr()
|
|
if err != nil {
|
|
if _, ok := err.(gophercloud.ErrDefault404); ok {
|
|
return va, "DETACHED", nil
|
|
}
|
|
|
|
if _, ok := err.(gophercloud.ErrDefault400); ok {
|
|
return nil, "", nil
|
|
}
|
|
|
|
return nil, "", err
|
|
}
|
|
|
|
log.Printf("[DEBUG] OpenStack Volume Attachment (%s) is still active.", attachmentId)
|
|
return nil, "", nil
|
|
}
|
|
}
|
|
|
|
func parseComputeVolumeAttachmentId(id string) (string, string, error) {
|
|
idParts := strings.Split(id, "/")
|
|
if len(idParts) < 2 {
|
|
return "", "", fmt.Errorf("Unable to determine volume attachment ID")
|
|
}
|
|
|
|
instanceId := idParts[0]
|
|
attachmentId := idParts[1]
|
|
|
|
return instanceId, attachmentId, nil
|
|
}
|