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resource_arm_storage_blob.go
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resource_arm_storage_blob.go
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package azurerm
import (
"fmt"
"log"
"strings"
"github.com/hashicorp/terraform/helper/schema"
)
func resourceArmStorageBlob() *schema.Resource {
return &schema.Resource{
Create: resourceArmStorageBlobCreate,
Read: resourceArmStorageBlobRead,
Exists: resourceArmStorageBlobExists,
Delete: resourceArmStorageBlobDelete,
Schema: map[string]*schema.Schema{
"name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"resource_group_name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"storage_account_name": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"storage_container_name": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"type": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
ValidateFunc: validateArmStorageBlobType,
},
"size": &schema.Schema{
Type: schema.TypeInt,
Optional: true,
ForceNew: true,
Default: 0,
ValidateFunc: validateArmStorageBlobSize,
},
"url": &schema.Schema{
Type: schema.TypeString,
Computed: true,
},
},
}
}
func validateArmStorageBlobSize(v interface{}, k string) (ws []string, errors []error) {
value := v.(int)
if value%512 != 0 {
errors = append(errors, fmt.Errorf("Blob Size %q is invalid, must be a multiple of 512", value))
}
return
}
func validateArmStorageBlobType(v interface{}, k string) (ws []string, errors []error) {
value := strings.ToLower(v.(string))
validTypes := map[string]struct{}{
"blob": struct{}{},
"page": struct{}{},
}
if _, ok := validTypes[value]; !ok {
errors = append(errors, fmt.Errorf("Blob type %q is invalid, must be %q or %q", value, "blob", "page"))
}
return
}
func resourceArmStorageBlobCreate(d *schema.ResourceData, meta interface{}) error {
armClient := meta.(*ArmClient)
resourceGroupName := d.Get("resource_group_name").(string)
storageAccountName := d.Get("storage_account_name").(string)
blobClient, accountExists, err := armClient.getBlobStorageClientForStorageAccount(resourceGroupName, storageAccountName)
if err != nil {
return err
}
if !accountExists {
return fmt.Errorf("Storage Account %q Not Found", storageAccountName)
}
name := d.Get("name").(string)
blobType := d.Get("type").(string)
cont := d.Get("storage_container_name").(string)
log.Printf("[INFO] Creating blob %q in storage account %q", name, storageAccountName)
switch strings.ToLower(blobType) {
case "block":
err = blobClient.CreateBlockBlob(cont, name)
case "page":
size := int64(d.Get("size").(int))
err = blobClient.PutPageBlob(cont, name, size, map[string]string{})
}
if err != nil {
return fmt.Errorf("Error creating storage blob on Azure: %s", err)
}
d.SetId(name)
return resourceArmStorageBlobRead(d, meta)
}
func resourceArmStorageBlobRead(d *schema.ResourceData, meta interface{}) error {
armClient := meta.(*ArmClient)
resourceGroupName := d.Get("resource_group_name").(string)
storageAccountName := d.Get("storage_account_name").(string)
blobClient, accountExists, err := armClient.getBlobStorageClientForStorageAccount(resourceGroupName, storageAccountName)
if err != nil {
return err
}
if !accountExists {
log.Printf("[DEBUG] Storage account %q not found, removing blob %q from state", storageAccountName, d.Id())
d.SetId("")
return nil
}
exists, err := resourceArmStorageBlobExists(d, meta)
if err != nil {
return err
}
if !exists {
// Exists already removed this from state
return nil
}
name := d.Get("name").(string)
storageContainerName := d.Get("storage_container_name").(string)
url := blobClient.GetBlobURL(storageContainerName, name)
if url == "" {
log.Printf("[INFO] URL for %q is empty", name)
}
d.Set("url", url)
return nil
}
func resourceArmStorageBlobExists(d *schema.ResourceData, meta interface{}) (bool, error) {
armClient := meta.(*ArmClient)
resourceGroupName := d.Get("resource_group_name").(string)
storageAccountName := d.Get("storage_account_name").(string)
blobClient, accountExists, err := armClient.getBlobStorageClientForStorageAccount(resourceGroupName, storageAccountName)
if err != nil {
return false, err
}
if !accountExists {
log.Printf("[DEBUG] Storage account %q not found, removing blob %q from state", storageAccountName, d.Id())
d.SetId("")
return false, nil
}
name := d.Get("name").(string)
storageContainerName := d.Get("storage_container_name").(string)
log.Printf("[INFO] Checking for existence of storage blob %q.", name)
exists, err := blobClient.BlobExists(storageContainerName, name)
if err != nil {
return false, fmt.Errorf("error testing existence of storage blob %q: %s", name, err)
}
if !exists {
log.Printf("[INFO] Storage blob %q no longer exists, removing from state...", name)
d.SetId("")
}
return exists, nil
}
func resourceArmStorageBlobDelete(d *schema.ResourceData, meta interface{}) error {
armClient := meta.(*ArmClient)
resourceGroupName := d.Get("resource_group_name").(string)
storageAccountName := d.Get("storage_account_name").(string)
blobClient, accountExists, err := armClient.getBlobStorageClientForStorageAccount(resourceGroupName, storageAccountName)
if err != nil {
return err
}
if !accountExists {
log.Printf("[INFO]Storage Account %q doesn't exist so the blob won't exist", storageAccountName)
return nil
}
name := d.Get("name").(string)
storageContainerName := d.Get("storage_container_name").(string)
log.Printf("[INFO] Deleting storage blob %q", name)
if _, err = blobClient.DeleteBlobIfExists(storageContainerName, name); err != nil {
return fmt.Errorf("Error deleting storage blob %q: %s", name, err)
}
d.SetId("")
return nil
}