mirror of
https://github.com/letic/terraform-provider-google.git
synced 2024-09-07 01:26:43 +00:00
295 lines
7.1 KiB
Go
295 lines
7.1 KiB
Go
package google
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import (
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"fmt"
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"log"
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"strings"
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"github.com/hashicorp/terraform/helper/schema"
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"google.golang.org/api/storage/v1"
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)
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func resourceStorageBucketAcl() *schema.Resource {
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return &schema.Resource{
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Create: resourceStorageBucketAclCreate,
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Read: resourceStorageBucketAclRead,
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Update: resourceStorageBucketAclUpdate,
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Delete: resourceStorageBucketAclDelete,
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Schema: map[string]*schema.Schema{
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"bucket": &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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},
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"default_acl": &schema.Schema{
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Type: schema.TypeString,
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Optional: true,
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},
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"predefined_acl": &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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"role_entity": &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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},
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}
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}
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type RoleEntity struct {
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Role string
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Entity string
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}
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func getBucketAclId(bucket string) string {
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return bucket + "-acl"
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}
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func getRoleEntityPair(role_entity string) (*RoleEntity, error) {
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split := strings.Split(role_entity, ":")
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if len(split) != 2 {
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return nil, fmt.Errorf("Error, each role entity pair must be " +
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"formatted as ROLE:entity")
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}
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return &RoleEntity{Role: split[0], Entity: split[1]}, nil
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}
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func resourceStorageBucketAclCreate(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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bucket := d.Get("bucket").(string)
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predefined_acl := ""
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default_acl := ""
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role_entity := make([]interface{}, 0)
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if v, ok := d.GetOk("predefined_acl"); ok {
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predefined_acl = v.(string)
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}
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if v, ok := d.GetOk("role_entity"); ok {
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role_entity = v.([]interface{})
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}
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if v, ok := d.GetOk("default_acl"); ok {
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default_acl = v.(string)
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}
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if len(predefined_acl) > 0 {
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if len(role_entity) > 0 {
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return fmt.Errorf("Error, you cannot specify both " +
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"\"predefined_acl\" and \"role_entity\"")
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}
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res, err := config.clientStorage.Buckets.Get(bucket).Do()
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if err != nil {
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return fmt.Errorf("Error reading bucket %s: %v", bucket, err)
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}
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res, err = config.clientStorage.Buckets.Update(bucket,
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res).PredefinedAcl(predefined_acl).Do()
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if err != nil {
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return fmt.Errorf("Error updating bucket %s: %v", bucket, err)
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}
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return resourceStorageBucketAclRead(d, meta)
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} else if len(role_entity) > 0 {
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for _, v := range role_entity {
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pair, err := getRoleEntityPair(v.(string))
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bucketAccessControl := &storage.BucketAccessControl{
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Role: pair.Role,
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Entity: pair.Entity,
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}
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log.Printf("[DEBUG]: storing re %s-%s", pair.Role, pair.Entity)
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_, err = config.clientStorage.BucketAccessControls.Insert(bucket, bucketAccessControl).Do()
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if err != nil {
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return fmt.Errorf("Error updating ACL for bucket %s: %v", bucket, err)
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}
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}
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return resourceStorageBucketAclRead(d, meta)
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}
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if len(default_acl) > 0 {
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res, err := config.clientStorage.Buckets.Get(bucket).Do()
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if err != nil {
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return fmt.Errorf("Error reading bucket %s: %v", bucket, err)
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}
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res, err = config.clientStorage.Buckets.Update(bucket,
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res).PredefinedDefaultObjectAcl(default_acl).Do()
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if err != nil {
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return fmt.Errorf("Error updating bucket %s: %v", bucket, err)
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}
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return resourceStorageBucketAclRead(d, meta)
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}
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return nil
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}
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func resourceStorageBucketAclRead(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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bucket := d.Get("bucket").(string)
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// Predefined ACLs cannot easily be parsed once they have been processed
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// by the GCP server
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if _, ok := d.GetOk("predefined_acl"); !ok {
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role_entity := make([]interface{}, 0)
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re_local := d.Get("role_entity").([]interface{})
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re_local_map := make(map[string]string)
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for _, v := range re_local {
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res, err := getRoleEntityPair(v.(string))
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if err != nil {
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return fmt.Errorf(
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"Old state has malformed Role/Entity pair: %v", err)
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}
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re_local_map[res.Entity] = res.Role
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}
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res, err := config.clientStorage.BucketAccessControls.List(bucket).Do()
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if err != nil {
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return handleNotFoundError(err, d, fmt.Sprintf("Storage Bucket ACL for bucket %q", d.Get("bucket").(string)))
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}
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for _, v := range res.Items {
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log.Printf("[DEBUG]: examining re %s-%s", v.Role, v.Entity)
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// We only store updates to the locally defined access controls
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if _, in := re_local_map[v.Entity]; in {
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role_entity = append(role_entity, fmt.Sprintf("%s:%s", v.Role, v.Entity))
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log.Printf("[DEBUG]: saving re %s-%s", v.Role, v.Entity)
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}
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}
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d.Set("role_entity", role_entity)
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}
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d.SetId(getBucketAclId(bucket))
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return nil
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}
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func resourceStorageBucketAclUpdate(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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bucket := d.Get("bucket").(string)
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if d.HasChange("role_entity") {
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o, n := d.GetChange("role_entity")
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old_re, new_re := o.([]interface{}), n.([]interface{})
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old_re_map := make(map[string]string)
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for _, v := range old_re {
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res, err := getRoleEntityPair(v.(string))
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if err != nil {
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return fmt.Errorf(
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"Old state has malformed Role/Entity pair: %v", err)
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}
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old_re_map[res.Entity] = res.Role
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}
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for _, v := range new_re {
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pair, err := getRoleEntityPair(v.(string))
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bucketAccessControl := &storage.BucketAccessControl{
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Role: pair.Role,
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Entity: pair.Entity,
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}
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// If the old state is missing this entity, it needs to
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// be created. Otherwise it is updated
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if _, ok := old_re_map[pair.Entity]; ok {
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_, err = config.clientStorage.BucketAccessControls.Update(
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bucket, pair.Entity, bucketAccessControl).Do()
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} else {
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_, err = config.clientStorage.BucketAccessControls.Insert(
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bucket, bucketAccessControl).Do()
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}
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// Now we only store the keys that have to be removed
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delete(old_re_map, pair.Entity)
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if err != nil {
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return fmt.Errorf("Error updating ACL for bucket %s: %v", bucket, err)
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}
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}
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for entity, _ := range old_re_map {
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log.Printf("[DEBUG]: removing entity %s", entity)
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err := config.clientStorage.BucketAccessControls.Delete(bucket, entity).Do()
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if err != nil {
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return fmt.Errorf("Error updating ACL for bucket %s: %v", bucket, err)
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}
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}
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return resourceStorageBucketAclRead(d, meta)
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}
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if d.HasChange("default_acl") {
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default_acl := d.Get("default_acl").(string)
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res, err := config.clientStorage.Buckets.Get(bucket).Do()
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if err != nil {
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return fmt.Errorf("Error reading bucket %s: %v", bucket, err)
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}
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res, err = config.clientStorage.Buckets.Update(bucket,
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res).PredefinedDefaultObjectAcl(default_acl).Do()
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if err != nil {
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return fmt.Errorf("Error updating bucket %s: %v", bucket, err)
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}
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return resourceStorageBucketAclRead(d, meta)
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}
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return nil
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}
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func resourceStorageBucketAclDelete(d *schema.ResourceData, meta interface{}) error {
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config := meta.(*Config)
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bucket := d.Get("bucket").(string)
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re_local := d.Get("role_entity").([]interface{})
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for _, v := range re_local {
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res, err := getRoleEntityPair(v.(string))
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if err != nil {
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return err
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}
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log.Printf("[DEBUG]: removing entity %s", res.Entity)
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err = config.clientStorage.BucketAccessControls.Delete(bucket, res.Entity).Do()
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if err != nil {
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return fmt.Errorf("Error deleting entity %s ACL: %s", res.Entity, err)
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}
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}
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return nil
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}
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