488 lines
13 KiB
Go
488 lines
13 KiB
Go
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package openstack
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import (
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"crypto/md5"
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"encoding/hex"
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"fmt"
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"io"
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"log"
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"net/http"
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"os"
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"path/filepath"
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"time"
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"github.com/gophercloud/gophercloud"
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"github.com/gophercloud/gophercloud/openstack/imageservice/v2/imagedata"
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"github.com/gophercloud/gophercloud/openstack/imageservice/v2/images"
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"github.com/hashicorp/terraform/helper/resource"
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"github.com/hashicorp/terraform/helper/schema"
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)
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func resourceImagesImageV2() *schema.Resource {
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return &schema.Resource{
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Create: resourceImagesImageV2Create,
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Read: resourceImagesImageV2Read,
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Update: resourceImagesImageV2Update,
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Delete: resourceImagesImageV2Delete,
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Importer: &schema.ResourceImporter{
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State: schema.ImportStatePassthrough,
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},
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Schema: map[string]*schema.Schema{
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"checksum": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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},
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"container_format": &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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ValidateFunc: resourceImagesImageV2ValidateContainerFormat,
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},
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"created_at": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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},
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"disk_format": &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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ValidateFunc: resourceImagesImageV2ValidateDiskFormat,
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},
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"file": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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},
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"image_cache_path": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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Default: fmt.Sprintf("%s/.terraform/image_cache", os.Getenv("HOME")),
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},
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"image_source_url": &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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ConflictsWith: []string{"local_file_path"},
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},
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"local_file_path": &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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ConflictsWith: []string{"image_source_url"},
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},
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"metadata": &schema.Schema{
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Type: schema.TypeMap,
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Computed: true,
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},
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"min_disk_gb": &schema.Schema{
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Type: schema.TypeInt,
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Optional: true,
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ForceNew: true,
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ValidateFunc: validatePositiveInt,
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Default: 0,
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},
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"min_ram_mb": &schema.Schema{
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Type: schema.TypeInt,
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Optional: true,
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ForceNew: true,
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ValidateFunc: validatePositiveInt,
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Default: 0,
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},
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"name": &schema.Schema{
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Type: schema.TypeString,
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Required: true,
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ForceNew: false,
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},
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"owner": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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},
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"protected": &schema.Schema{
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Type: schema.TypeBool,
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Optional: true,
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ForceNew: true,
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Default: false,
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},
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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: schema.EnvDefaultFunc("OS_REGION_NAME", ""),
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},
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"schema": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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},
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"size_bytes": &schema.Schema{
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Type: schema.TypeInt,
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Computed: true,
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},
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"status": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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},
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"tags": &schema.Schema{
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Type: schema.TypeList,
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Optional: true,
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Elem: &schema.Schema{Type: schema.TypeString},
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},
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"update_at": &schema.Schema{
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Type: schema.TypeString,
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Computed: true,
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},
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"visibility": &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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ValidateFunc: resourceImagesImageV2ValidateVisibility,
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Default: images.ImageVisibilityPrivate,
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},
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},
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}
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}
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func resourceImagesImageV2Create(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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imageClient, err := config.imageV2Client(GetRegion(d))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack image client: %s", err)
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}
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protected := d.Get("protected").(bool)
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visibility := resourceImagesImageV2VisibilityFromString(d.Get("visibility").(string))
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createOpts := &images.CreateOpts{
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Name: d.Get("name").(string),
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ContainerFormat: d.Get("container_format").(string),
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DiskFormat: d.Get("disk_format").(string),
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MinDisk: d.Get("min_disk_gb").(int),
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MinRAM: d.Get("min_ram_mb").(int),
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Protected: &protected,
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Visibility: &visibility,
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}
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if tags := d.Get("tags"); tags != nil {
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ts := tags.([]interface{})
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createOpts.Tags = make([]string, len(ts))
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for _, v := range ts {
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createOpts.Tags = append(createOpts.Tags, v.(string))
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}
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}
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d.Partial(true)
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log.Printf("[DEBUG] Create Options: %#v", createOpts)
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newImg, err := images.Create(imageClient, createOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error creating Image: %s", err)
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}
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d.SetId(newImg.ID)
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// downloading/getting image file props
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imgFilePath, err := resourceImagesImageV2File(d)
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if err != nil {
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return fmt.Errorf("Error opening file for Image: %s", err)
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}
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fileSize, fileChecksum, err := resourceImagesImageV2FileProps(imgFilePath)
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if err != nil {
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return fmt.Errorf("Error getting file props: %s", err)
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}
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// upload
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imgFile, err := os.Open(imgFilePath)
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if err != nil {
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return fmt.Errorf("Error opening file %q: %s", imgFilePath, err)
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}
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defer imgFile.Close()
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log.Printf("[WARN] Uploading image %s (%d bytes). This can be pretty long.", d.Id(), fileSize)
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res := imagedata.Upload(imageClient, d.Id(), imgFile)
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if res.Err != nil {
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return fmt.Errorf("Error while uploading file %q: %s", imgFilePath, res.Err)
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}
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//wait for active
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stateConf := &resource.StateChangeConf{
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Pending: []string{string(images.ImageStatusQueued), string(images.ImageStatusSaving)},
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Target: []string{string(images.ImageStatusActive)},
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Refresh: resourceImagesImageV2RefreshFunc(imageClient, d.Id(), fileSize, fileChecksum),
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Timeout: 30 * 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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if _, err = stateConf.WaitForState(); err != nil {
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return fmt.Errorf("Error waiting for Image: %s", err)
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}
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d.Partial(false)
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return resourceImagesImageV2Read(d, meta)
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}
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func resourceImagesImageV2Read(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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imageClient, err := config.imageV2Client(GetRegion(d))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack image client: %s", err)
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}
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img, err := images.Get(imageClient, d.Id()).Extract()
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if err != nil {
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return CheckDeleted(d, err, "image")
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}
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log.Printf("[DEBUG] Retrieved Image %s: %#v", d.Id(), img)
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d.Set("owner", img.Owner)
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d.Set("status", img.Status)
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d.Set("file", img.File)
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d.Set("schema", img.Schema)
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d.Set("checksum", img.Checksum)
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d.Set("size_bytes", img.SizeBytes)
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d.Set("metadata", img.Metadata)
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d.Set("created_at", img.CreatedAt)
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d.Set("update_at", img.UpdatedAt)
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d.Set("container_format", img.ContainerFormat)
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d.Set("disk_format", img.DiskFormat)
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d.Set("min_disk_gb", img.MinDiskGigabytes)
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d.Set("min_ram_mb", img.MinRAMMegabytes)
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d.Set("file", img.File)
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d.Set("name", img.Name)
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d.Set("protected", img.Protected)
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d.Set("size_bytes", img.SizeBytes)
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d.Set("tags", remove_empty(img.Tags))
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d.Set("visibility", img.Visibility)
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return nil
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}
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func resourceImagesImageV2Update(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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imageClient, err := config.imageV2Client(GetRegion(d))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack image client: %s", err)
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}
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updateOpts := make(images.UpdateOpts, 0)
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if d.HasChange("visibility") {
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v := images.UpdateVisibility{Visibility: d.Get("visibility").(images.ImageVisibility)}
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updateOpts = append(updateOpts, v)
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}
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if d.HasChange("name") {
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v := images.ReplaceImageName{NewName: d.Get("name").(string)}
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updateOpts = append(updateOpts, v)
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}
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if d.HasChange("tags") {
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v := images.ReplaceImageTags{NewTags: d.Get("tags").([]string)}
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updateOpts = append(updateOpts, v)
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}
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log.Printf("[DEBUG] Update Options: %#v", updateOpts)
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_, err = images.Update(imageClient, d.Id(), updateOpts).Extract()
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if err != nil {
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return fmt.Errorf("Error updating image: %s", err)
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}
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return resourceImagesImageV2Read(d, meta)
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}
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func resourceImagesImageV2Delete(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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imageClient, err := config.imageV2Client(GetRegion(d))
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if err != nil {
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return fmt.Errorf("Error creating OpenStack image client: %s", err)
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}
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log.Printf("[DEBUG] Deleting Image %s", d.Id())
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if err := images.Delete(imageClient, d.Id()).Err; err != nil {
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return fmt.Errorf("Error deleting Image: %s", 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 resourceImagesImageV2ValidateVisibility(v interface{}, k string) (ws []string, errors []error) {
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value := v.(images.ImageVisibility)
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if value == images.ImageVisibilityPublic || value == images.ImageVisibilityPrivate || value == images.ImageVisibilityShared || value == images.ImageVisibilityCommunity {
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return
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}
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errors = append(errors, fmt.Errorf("%q must be one of %q, %q, %q, %q", k, images.ImageVisibilityPublic, images.ImageVisibilityPrivate, images.ImageVisibilityCommunity, images.ImageVisibilityShared))
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return
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}
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func validatePositiveInt(v interface{}, k string) (ws []string, errors []error) {
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value := v.(int)
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if value > 0 {
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return
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}
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errors = append(errors, fmt.Errorf("%q must be a positive integer", k))
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return
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}
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var DiskFormats = [9]string{"ami", "ari", "aki", "vhd", "vmdk", "raw", "qcow2", "vdi", "iso"}
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func resourceImagesImageV2ValidateDiskFormat(v interface{}, k string) (ws []string, errors []error) {
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value := v.(string)
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for i := range DiskFormats {
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if value == DiskFormats[i] {
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return
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}
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}
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errors = append(errors, fmt.Errorf("%q must be one of %v", k, DiskFormats))
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return
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}
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var ContainerFormats = [9]string{"ami", "ari", "aki", "bare", "ovf"}
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func resourceImagesImageV2ValidateContainerFormat(v interface{}, k string) (ws []string, errors []error) {
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value := v.(string)
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for i := range ContainerFormats {
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if value == ContainerFormats[i] {
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return
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}
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}
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errors = append(errors, fmt.Errorf("%q must be one of %v", k, ContainerFormats))
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return
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}
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func resourceImagesImageV2VisibilityFromString(v string) images.ImageVisibility {
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switch v {
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case "public":
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return images.ImageVisibilityPublic
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case "private":
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return images.ImageVisibilityPrivate
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case "shared":
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return images.ImageVisibilityShared
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case "community":
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return images.ImageVisibilityCommunity
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}
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return ""
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}
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|
|
|
||
|
|
func fileMD5Checksum(f *os.File) (string, error) {
|
||
|
|
hash := md5.New()
|
||
|
|
if _, err := io.Copy(hash, f); err != nil {
|
||
|
|
return "", err
|
||
|
|
}
|
||
|
|
return hex.EncodeToString(hash.Sum(nil)), nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func resourceImagesImageV2FileProps(filename string) (int64, string, error) {
|
||
|
|
var filesize int64
|
||
|
|
var filechecksum string
|
||
|
|
|
||
|
|
file, err := os.Open(filename)
|
||
|
|
if err != nil {
|
||
|
|
return -1, "", fmt.Errorf("Error opening file for Image: %s", err)
|
||
|
|
|
||
|
|
}
|
||
|
|
defer file.Close()
|
||
|
|
|
||
|
|
fstat, err := file.Stat()
|
||
|
|
if err != nil {
|
||
|
|
return -1, "", fmt.Errorf("Error reading image file %q: %s", file.Name(), err)
|
||
|
|
}
|
||
|
|
|
||
|
|
filesize = fstat.Size()
|
||
|
|
filechecksum, err = fileMD5Checksum(file)
|
||
|
|
|
||
|
|
if err != nil {
|
||
|
|
return -1, "", fmt.Errorf("Error computing image file %q checksum: %s", file.Name(), err)
|
||
|
|
}
|
||
|
|
|
||
|
|
return filesize, filechecksum, nil
|
||
|
|
}
|
||
|
|
|
||
|
|
func resourceImagesImageV2File(d *schema.ResourceData) (string, error) {
|
||
|
|
if filename := d.Get("local_file_path").(string); filename != "" {
|
||
|
|
return filename, nil
|
||
|
|
} else if furl := d.Get("image_source_url").(string); furl != "" {
|
||
|
|
dir := d.Get("image_cache_path").(string)
|
||
|
|
os.MkdirAll(dir, 0700)
|
||
|
|
filename := filepath.Join(dir, fmt.Sprintf("%x.img", md5.Sum([]byte(furl))))
|
||
|
|
|
||
|
|
if _, err := os.Stat(filename); err != nil {
|
||
|
|
if !os.IsNotExist(err) {
|
||
|
|
return "", fmt.Errorf("Error while trying to access file %q: %s", filename, err)
|
||
|
|
}
|
||
|
|
log.Printf("[DEBUG] File doens't exists %s. will download from %s", filename, furl)
|
||
|
|
file, err := os.Create(filename)
|
||
|
|
if err != nil {
|
||
|
|
return "", fmt.Errorf("Error creating file %q: %s", filename, err)
|
||
|
|
}
|
||
|
|
defer file.Close()
|
||
|
|
resp, err := http.Get(furl)
|
||
|
|
if err != nil {
|
||
|
|
return "", fmt.Errorf("Error downloading image from %q", furl)
|
||
|
|
}
|
||
|
|
defer resp.Body.Close()
|
||
|
|
|
||
|
|
if _, err = io.Copy(file, resp.Body); err != nil {
|
||
|
|
return "", fmt.Errorf("Error downloading image %q to file %q: %s", furl, filename, err)
|
||
|
|
}
|
||
|
|
return filename, nil
|
||
|
|
} else {
|
||
|
|
log.Printf("[DEBUG] File exists %s", filename)
|
||
|
|
return filename, nil
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
return "", fmt.Errorf("Error in config. no file specified")
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func resourceImagesImageV2RefreshFunc(client *gophercloud.ServiceClient, id string, fileSize int64, checksum string) resource.StateRefreshFunc {
|
||
|
|
return func() (interface{}, string, error) {
|
||
|
|
img, err := images.Get(client, id).Extract()
|
||
|
|
if err != nil {
|
||
|
|
return nil, "", err
|
||
|
|
}
|
||
|
|
log.Printf("[DEBUG] OpenStack image status is: %s", img.Status)
|
||
|
|
|
||
|
|
if img.Checksum != checksum || int64(img.SizeBytes) != fileSize {
|
||
|
|
return img, fmt.Sprintf("%s", img.Status), fmt.Errorf("Error wrong size %v or checksum %q", img.SizeBytes, img.Checksum)
|
||
|
|
}
|
||
|
|
|
||
|
|
return img, fmt.Sprintf("%s", img.Status), nil
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
func remove_empty(s []string) []string {
|
||
|
|
var r []string
|
||
|
|
for _, str := range s {
|
||
|
|
if str != "" {
|
||
|
|
r = append(r, str)
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return r
|
||
|
|
}
|