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resource_compute_disk.go
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/
resource_compute_disk.go
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package google
import (
"fmt"
"log"
"time"
"github.com/hashicorp/terraform/helper/schema"
"google.golang.org/api/compute/v1"
"google.golang.org/api/googleapi"
)
func resourceComputeDisk() *schema.Resource {
return &schema.Resource{
Create: resourceComputeDiskCreate,
Read: resourceComputeDiskRead,
Delete: resourceComputeDiskDelete,
Schema: map[string]*schema.Schema{
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"zone": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"image": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"size": &schema.Schema{
Type: schema.TypeInt,
Optional: true,
ForceNew: true,
},
"type": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"snapshot": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"self_link": &schema.Schema{
Type: schema.TypeString,
Computed: true,
},
},
}
}
func resourceComputeDiskCreate(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
// Get the zone
log.Printf("[DEBUG] Loading zone: %s", d.Get("zone").(string))
zone, err := config.clientCompute.Zones.Get(
config.Project, d.Get("zone").(string)).Do()
if err != nil {
return fmt.Errorf(
"Error loading zone '%s': %s", d.Get("zone").(string), err)
}
// Build the disk parameter
disk := &compute.Disk{
Name: d.Get("name").(string),
SizeGb: int64(d.Get("size").(int)),
}
// If we were given a source image, load that.
if v, ok := d.GetOk("image"); ok {
log.Printf("[DEBUG] Resolving image name: %s", v.(string))
imageUrl, err := resolveImage(config, v.(string))
if err != nil {
return fmt.Errorf(
"Error resolving image name '%s': %s",
v.(string), err)
}
disk.SourceImage = imageUrl
}
if v, ok := d.GetOk("type"); ok {
log.Printf("[DEBUG] Loading disk type: %s", v.(string))
diskType, err := readDiskType(config, zone, v.(string))
if err != nil {
return fmt.Errorf(
"Error loading disk type '%s': %s",
v.(string), err)
}
disk.Type = diskType.SelfLink
}
if v, ok := d.GetOk("snapshot"); ok {
snapshotName := v.(string)
log.Printf("[DEBUG] Loading snapshot: %s", snapshotName)
snapshotData, err := config.clientCompute.Snapshots.Get(
config.Project, snapshotName).Do()
if err != nil {
return fmt.Errorf(
"Error loading snapshot '%s': %s",
snapshotName, err)
}
disk.SourceSnapshot = snapshotData.SelfLink
}
op, err := config.clientCompute.Disks.Insert(
config.Project, d.Get("zone").(string), disk).Do()
if err != nil {
return fmt.Errorf("Error creating disk: %s", err)
}
// It probably maybe worked, so store the ID now
d.SetId(disk.Name)
// Wait for the operation to complete
w := &OperationWaiter{
Service: config.clientCompute,
Op: op,
Project: config.Project,
Zone: d.Get("zone").(string),
Type: OperationWaitZone,
}
state := w.Conf()
if disk.SourceSnapshot != "" {
//creating disk from snapshot takes some time
state.Timeout = 10 * time.Minute
} else {
state.Timeout = 2 * time.Minute
}
state.MinTimeout = 1 * time.Second
opRaw, err := state.WaitForState()
if err != nil {
return fmt.Errorf("Error waiting for disk to create: %s", err)
}
op = opRaw.(*compute.Operation)
if op.Error != nil {
// The resource didn't actually create
d.SetId("")
// Return the error
return OperationError(*op.Error)
}
return resourceComputeDiskRead(d, meta)
}
func resourceComputeDiskRead(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
disk, err := config.clientCompute.Disks.Get(
config.Project, d.Get("zone").(string), d.Id()).Do()
if err != nil {
if gerr, ok := err.(*googleapi.Error); ok && gerr.Code == 404 {
// The resource doesn't exist anymore
d.SetId("")
return nil
}
return fmt.Errorf("Error reading disk: %s", err)
}
d.Set("self_link", disk.SelfLink)
return nil
}
func resourceComputeDiskDelete(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
// Delete the disk
op, err := config.clientCompute.Disks.Delete(
config.Project, d.Get("zone").(string), d.Id()).Do()
if err != nil {
return fmt.Errorf("Error deleting disk: %s", err)
}
// Wait for the operation to complete
w := &OperationWaiter{
Service: config.clientCompute,
Op: op,
Project: config.Project,
Zone: d.Get("zone").(string),
Type: OperationWaitZone,
}
state := w.Conf()
state.Timeout = 2 * time.Minute
state.MinTimeout = 1 * time.Second
opRaw, err := state.WaitForState()
if err != nil {
return fmt.Errorf("Error waiting for disk to delete: %s", err)
}
op = opRaw.(*compute.Operation)
if op.Error != nil {
// Return the error
return OperationError(*op.Error)
}
d.SetId("")
return nil
}