322 lines
8.9 KiB
Go
322 lines
8.9 KiB
Go
package openstack
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import (
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"bytes"
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"fmt"
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"log"
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"time"
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"github.com/hashicorp/terraform/helper/hashcode"
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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/rackspace/gophercloud"
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"github.com/rackspace/gophercloud/openstack/blockstorage/v1/volumes"
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"github.com/rackspace/gophercloud/openstack/compute/v2/extensions/volumeattach"
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)
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func resourceBlockStorageVolumeV1() *schema.Resource {
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return &schema.Resource{
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Create: resourceBlockStorageVolumeV1Create,
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Read: resourceBlockStorageVolumeV1Read,
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Update: resourceBlockStorageVolumeV1Update,
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Delete: resourceBlockStorageVolumeV1Delete,
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Schema: map[string]*schema.Schema{
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"region": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: true,
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DefaultFunc: envDefaultFuncAllowMissing("OS_REGION_NAME"),
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},
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"size": &schema.Schema{
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Type: schema.TypeInt,
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Required: true,
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ForceNew: true,
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},
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"name": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: false,
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},
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"description": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: false,
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},
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"availability_zone": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: true,
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},
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"metadata": &schema.Schema{
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Type: schema.TypeMap,
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Optional: true,
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ForceNew: false,
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},
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"snapshot_id": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: true,
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},
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"source_vol_id": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: true,
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},
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"image_id": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: true,
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},
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"volume_type": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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ForceNew: true,
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},
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"attachment": &schema.Schema{
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Type: schema.TypeSet,
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Computed: true,
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Elem: &schema.Resource{
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Schema: map[string]*schema.Schema{
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"id": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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},
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"instance_id": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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},
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"device": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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},
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},
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},
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Set: resourceVolumeAttachmentHash,
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},
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},
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}
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}
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func resourceBlockStorageVolumeV1Create(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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blockStorageClient, err := config.blockStorageV1Client(d.Get("region").(string))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack block storage client: %s", err)
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}
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createOpts := &volumes.CreateOpts{
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Description: d.Get("description").(string),
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Availability: d.Get("availability_zone").(string),
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Name: d.Get("name").(string),
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Size: d.Get("size").(int),
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SnapshotID: d.Get("snapshot_id").(string),
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SourceVolID: d.Get("source_vol_id").(string),
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ImageID: d.Get("image_id").(string),
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VolumeType: d.Get("volume_type").(string),
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Metadata: resourceContainerMetadataV2(d),
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}
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log.Printf("[DEBUG] Create Options: %#v", createOpts)
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v, err := volumes.Create(blockStorageClient, createOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error creating OpenStack volume: %s", err)
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}
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log.Printf("[INFO] Volume ID: %s", v.ID)
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// Store the ID now
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d.SetId(v.ID)
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// Wait for the volume to become available.
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log.Printf(
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"[DEBUG] Waiting for volume (%s) to become available",
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v.ID)
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stateConf := &resource.StateChangeConf{
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Target: "available",
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Refresh: VolumeV1StateRefreshFunc(blockStorageClient, v.ID),
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Timeout: 10 * time.Minute,
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Delay: 10 * time.Second,
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MinTimeout: 3 * time.Second,
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}
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_, err = stateConf.WaitForState()
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if err != nil {
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return fmt.Errorf(
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"Error waiting for volume (%s) to become ready: %s",
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v.ID, err)
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}
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return resourceBlockStorageVolumeV1Read(d, meta)
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}
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func resourceBlockStorageVolumeV1Read(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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blockStorageClient, err := config.blockStorageV1Client(d.Get("region").(string))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack block storage client: %s", err)
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}
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v, err := volumes.Get(blockStorageClient, d.Id()).Extract()
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if err != nil {
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return CheckDeleted(d, err, "volume")
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}
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log.Printf("[DEBUG] Retreived volume %s: %+v", d.Id(), v)
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d.Set("size", v.Size)
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d.Set("description", v.Description)
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d.Set("availability_zone", v.AvailabilityZone)
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d.Set("name", v.Name)
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d.Set("snapshot_id", v.SnapshotID)
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d.Set("source_vol_id", v.SourceVolID)
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d.Set("volume_type", v.VolumeType)
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d.Set("metadata", v.Metadata)
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if len(v.Attachments) > 0 {
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attachments := make([]map[string]interface{}, len(v.Attachments))
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for i, attachment := range v.Attachments {
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attachments[i] = make(map[string]interface{})
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attachments[i]["id"] = attachment["id"]
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attachments[i]["instance_id"] = attachment["server_id"]
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attachments[i]["device"] = attachment["device"]
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log.Printf("[DEBUG] attachment: %v", attachment)
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}
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d.Set("attachment", attachments)
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}
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return nil
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}
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func resourceBlockStorageVolumeV1Update(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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blockStorageClient, err := config.blockStorageV1Client(d.Get("region").(string))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack block storage client: %s", err)
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}
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updateOpts := volumes.UpdateOpts{
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Name: d.Get("name").(string),
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Description: d.Get("description").(string),
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}
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if d.HasChange("metadata") {
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updateOpts.Metadata = resourceVolumeMetadataV1(d)
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}
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_, err = volumes.Update(blockStorageClient, d.Id(), updateOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error updating OpenStack volume: %s", err)
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}
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return resourceBlockStorageVolumeV1Read(d, meta)
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}
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func resourceBlockStorageVolumeV1Delete(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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blockStorageClient, err := config.blockStorageV1Client(d.Get("region").(string))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack block storage client: %s", err)
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}
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v, err := volumes.Get(blockStorageClient, d.Id()).Extract()
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if err != nil {
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return CheckDeleted(d, err, "volume")
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}
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// make sure this volume is detached from all instances before deleting
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if len(v.Attachments) > 0 {
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log.Printf("[DEBUG] detaching volumes")
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if computeClient, err := config.computeV2Client(d.Get("region").(string)); err != nil {
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return err
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} else {
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for _, volumeAttachment := range v.Attachments {
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log.Printf("[DEBUG] Attachment: %v", volumeAttachment)
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if err := volumeattach.Delete(computeClient, volumeAttachment["server_id"].(string), volumeAttachment["id"].(string)).ExtractErr(); err != nil {
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return err
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}
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}
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stateConf := &resource.StateChangeConf{
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Pending: []string{"in-use", "attaching"},
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Target: "available",
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Refresh: VolumeV1StateRefreshFunc(blockStorageClient, d.Id()),
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Timeout: 10 * time.Minute,
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Delay: 10 * time.Second,
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MinTimeout: 3 * time.Second,
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}
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_, err = stateConf.WaitForState()
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if err != nil {
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return fmt.Errorf(
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"Error waiting for volume (%s) to become available: %s",
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d.Id(), err)
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}
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}
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}
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err = volumes.Delete(blockStorageClient, d.Id()).ExtractErr()
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if err != nil {
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return fmt.Errorf("Error deleting OpenStack volume: %s", err)
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}
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// Wait for the volume to delete before moving on.
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log.Printf("[DEBUG] Waiting for volume (%s) to delete", d.Id())
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stateConf := &resource.StateChangeConf{
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Pending: []string{"deleting", "available"},
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Target: "deleted",
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Refresh: VolumeV1StateRefreshFunc(blockStorageClient, d.Id()),
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Timeout: 10 * time.Minute,
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Delay: 10 * time.Second,
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MinTimeout: 3 * time.Second,
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}
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_, err = stateConf.WaitForState()
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if err != nil {
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return fmt.Errorf(
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"Error waiting for volume (%s) to delete: %s",
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d.Id(), err)
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}
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d.SetId("")
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return nil
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}
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func resourceVolumeMetadataV1(d *schema.ResourceData) map[string]string {
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m := make(map[string]string)
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for key, val := range d.Get("metadata").(map[string]interface{}) {
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m[key] = val.(string)
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}
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return m
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}
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// VolumeV1StateRefreshFunc returns a resource.StateRefreshFunc that is used to watch
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// an OpenStack volume.
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func VolumeV1StateRefreshFunc(client *gophercloud.ServiceClient, volumeID string) resource.StateRefreshFunc {
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return func() (interface{}, string, error) {
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v, err := volumes.Get(client, volumeID).Extract()
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if err != nil {
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errCode, ok := err.(*gophercloud.UnexpectedResponseCodeError)
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if !ok {
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return nil, "", err
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}
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if errCode.Actual == 404 {
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return v, "deleted", nil
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}
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return nil, "", err
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}
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return v, v.Status, nil
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}
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}
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func resourceVolumeAttachmentHash(v interface{}) int {
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var buf bytes.Buffer
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m := v.(map[string]interface{})
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if m["instance_id"] != nil {
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buf.WriteString(fmt.Sprintf("%s-", m["instance_id"].(string)))
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}
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return hashcode.String(buf.String())
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}
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