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resource_arm_storage_container.go
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resource_arm_storage_container.go
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package azurerm
import (
"fmt"
"log"
"net/url"
"regexp"
"strings"
"time"
"github.com/Azure/azure-sdk-for-go/storage"
"github.com/Azure/go-autorest/autorest/azure"
"github.com/hashicorp/terraform/helper/resource"
"github.com/hashicorp/terraform/helper/schema"
"github.com/terraform-providers/terraform-provider-azurerm/azurerm/helpers/tf"
)
func resourceArmStorageContainer() *schema.Resource {
return &schema.Resource{
Create: resourceArmStorageContainerCreateUpdate,
Read: resourceArmStorageContainerRead,
Delete: resourceArmStorageContainerDelete,
Update: resourceArmStorageContainerCreateUpdate,
MigrateState: resourceStorageContainerMigrateState,
SchemaVersion: 1,
Importer: &schema.ResourceImporter{
State: schema.ImportStatePassthrough,
},
Schema: map[string]*schema.Schema{
"name": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
ValidateFunc: validateArmStorageContainerName,
},
"resource_group_name": resourceGroupNameSchema(),
"storage_account_name": {
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"container_access_type": {
Type: schema.TypeString,
Optional: true,
Default: "private",
ValidateFunc: validateArmStorageContainerAccessType,
},
"properties": {
Type: schema.TypeMap,
Computed: true,
},
},
}
}
//Following the naming convention as laid out in the docs
func validateArmStorageContainerName(v interface{}, k string) (warnings []string, errors []error) {
value := v.(string)
if !regexp.MustCompile(`^\$root$|^[0-9a-z-]+$`).MatchString(value) {
errors = append(errors, fmt.Errorf(
"only lowercase alphanumeric characters and hyphens allowed in %q: %q",
k, value))
}
if len(value) < 3 || len(value) > 63 {
errors = append(errors, fmt.Errorf(
"%q must be between 3 and 63 characters: %q", k, value))
}
if regexp.MustCompile(`^-`).MatchString(value) {
errors = append(errors, fmt.Errorf(
"%q cannot begin with a hyphen: %q", k, value))
}
return warnings, errors
}
func validateArmStorageContainerAccessType(v interface{}, _ string) (warnings []string, errors []error) {
value := strings.ToLower(v.(string))
validTypes := map[string]struct{}{
"private": {},
"blob": {},
"container": {},
}
if _, ok := validTypes[value]; !ok {
errors = append(errors, fmt.Errorf("Storage container access type %q is invalid, must be %q, %q or %q", value, "private", "blob", "page"))
}
return warnings, errors
}
func resourceArmStorageContainerCreateUpdate(d *schema.ResourceData, meta interface{}) error {
armClient := meta.(*ArmClient)
ctx := armClient.StopContext
name := d.Get("name").(string)
resourceGroupName := d.Get("resource_group_name").(string)
storageAccountName := d.Get("storage_account_name").(string)
blobClient, accountExists, err := armClient.getBlobStorageClientForStorageAccount(ctx, resourceGroupName, storageAccountName)
if err != nil {
return err
}
if !accountExists {
return fmt.Errorf("Storage Account %q Not Found", storageAccountName)
}
var accessType storage.ContainerAccessType
if d.Get("container_access_type").(string) == "private" {
accessType = storage.ContainerAccessType("")
} else {
accessType = storage.ContainerAccessType(d.Get("container_access_type").(string))
}
reference := blobClient.GetContainerReference(name)
id := fmt.Sprintf("https://%s.blob.%s/%s", storageAccountName, armClient.environment.StorageEndpointSuffix, name)
if requireResourcesToBeImported && d.IsNewResource() {
exists, e := reference.Exists()
if e != nil {
return fmt.Errorf("Error checking if Storage Container %q exists (Account %q / Resource Group %q): %s", name, storageAccountName, resourceGroupName, e)
}
if exists {
return tf.ImportAsExistsError("azurerm_storage_container", id)
}
}
log.Printf("[INFO] Creating container %q in storage account %q.", name, storageAccountName)
err = resource.Retry(120*time.Second, checkContainerIsCreated(reference))
if err != nil {
return fmt.Errorf("Error creating container %q in storage account %q: %s", name, storageAccountName, err)
}
permissions := storage.ContainerPermissions{
AccessType: accessType,
}
permissionOptions := &storage.SetContainerPermissionOptions{}
err = reference.SetPermissions(permissions, permissionOptions)
if err != nil {
return fmt.Errorf("Error setting permissions for container %s in storage account %s: %+v", name, storageAccountName, err)
}
d.SetId(id)
return resourceArmStorageContainerRead(d, meta)
}
// resourceAzureStorageContainerRead does all the necessary API calls to
// read the status of the storage container off Azure.
func resourceArmStorageContainerRead(d *schema.ResourceData, meta interface{}) error {
armClient := meta.(*ArmClient)
ctx := armClient.StopContext
id, err := parseStorageContainerID(d.Id(), armClient.environment)
if err != nil {
return err
}
resourceGroup, err := determineResourceGroupForStorageAccount(id.storageAccountName, armClient)
if err != nil {
return err
}
if resourceGroup == nil {
log.Printf("Cannot locate Resource Group for Storage Account %q (presuming it's gone) - removing from state", id.storageAccountName)
d.SetId("")
return nil
}
blobClient, accountExists, err := armClient.getBlobStorageClientForStorageAccount(ctx, *resourceGroup, id.storageAccountName)
if err != nil {
return err
}
if !accountExists {
log.Printf("[DEBUG] Storage account %q not found, removing container %q from state", id.storageAccountName, d.Id())
d.SetId("")
return nil
}
var container *storage.Container
listParams := storage.ListContainersParameters{
Prefix: id.containerName,
Timeout: 90,
}
for {
resp, err := blobClient.ListContainers(listParams)
if err != nil {
return fmt.Errorf("Failed to retrieve storage resp in account %q: %s", id.containerName, err)
}
for _, c := range resp.Containers {
if c.Name == id.containerName {
container = &c
break
}
}
if resp.NextMarker == "" {
break
}
listParams.Marker = resp.NextMarker
}
if container == nil {
log.Printf("[INFO] Storage container %q does not exist in account %q, removing from state...", id.containerName, id.storageAccountName)
d.SetId("")
return nil
}
d.Set("name", id.containerName)
d.Set("storage_account_name", id.storageAccountName)
d.Set("resource_group_name", resourceGroup)
// for historical reasons, "private" above is an empty string in the API
if container.Properties.PublicAccess == storage.ContainerAccessTypePrivate {
d.Set("container_access_type", "private")
} else {
d.Set("container_access_type", string(container.Properties.PublicAccess))
}
output := make(map[string]interface{})
output["last_modified"] = container.Properties.LastModified
output["lease_status"] = container.Properties.LeaseStatus
output["lease_state"] = container.Properties.LeaseState
output["lease_duration"] = container.Properties.LeaseDuration
if err := d.Set("properties", output); err != nil {
return fmt.Errorf("Error setting `properties`: %+v", err)
}
return nil
}
// resourceAzureStorageContainerDelete does all the necessary API calls to
// delete a storage container off Azure.
func resourceArmStorageContainerDelete(d *schema.ResourceData, meta interface{}) error {
armClient := meta.(*ArmClient)
ctx := armClient.StopContext
id, err := parseStorageContainerID(d.Id(), armClient.environment)
if err != nil {
return err
}
resourceGroup, err := determineResourceGroupForStorageAccount(id.storageAccountName, armClient)
if err != nil {
return err
}
if resourceGroup == nil {
log.Printf("Cannot locate Resource Group for Storage Account %q (presuming it's gone) - removing from state", id.storageAccountName)
return nil
}
blobClient, accountExists, err := armClient.getBlobStorageClientForStorageAccount(ctx, *resourceGroup, id.storageAccountName)
if err != nil {
return err
}
if !accountExists {
log.Printf("[INFO] Storage Account %q doesn't exist so the container won't exist", id.storageAccountName)
return nil
}
log.Printf("[INFO] Deleting storage container %q in account %q", id.containerName, id.storageAccountName)
reference := blobClient.GetContainerReference(id.containerName)
deleteOptions := &storage.DeleteContainerOptions{}
if _, err := reference.DeleteIfExists(deleteOptions); err != nil {
return fmt.Errorf("Error deleting storage container %q from storage account %q: %s", id.containerName, id.storageAccountName, err)
}
return nil
}
func checkContainerIsCreated(reference *storage.Container) func() *resource.RetryError {
return func() *resource.RetryError {
createOptions := &storage.CreateContainerOptions{}
if _, err := reference.CreateIfNotExists(createOptions); err != nil {
return resource.RetryableError(err)
}
return nil
}
}
type storageContainerId struct {
storageAccountName string
containerName string
}
func parseStorageContainerID(input string, environment azure.Environment) (*storageContainerId, error) {
uri, err := url.Parse(input)
if err != nil {
return nil, fmt.Errorf("Error parsing %q as URI: %+v", input, err)
}
// remove the leading `/`
segments := strings.Split(strings.TrimPrefix(uri.Path, "/"), "/")
if len(segments) < 1 {
return nil, fmt.Errorf("Expected number of segments in the path to be < 1 but got %d", len(segments))
}
storageAccountName := strings.Replace(uri.Host, fmt.Sprintf(".blob.%s", environment.StorageEndpointSuffix), "", 1)
containerName := segments[0]
id := storageContainerId{
storageAccountName: storageAccountName,
containerName: containerName,
}
return &id, nil
}