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resource_storage_default_object_acl.go
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resource_storage_default_object_acl.go
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package google
import (
"fmt"
"log"
"github.com/hashicorp/terraform/helper/schema"
"google.golang.org/api/storage/v1"
)
func resourceStorageDefaultObjectAcl() *schema.Resource {
return &schema.Resource{
Create: resourceStorageDefaultObjectAclCreate,
Read: resourceStorageDefaultObjectAclRead,
Update: resourceStorageDefaultObjectAclUpdate,
Delete: resourceStorageDefaultObjectAclDelete,
Schema: map[string]*schema.Schema{
"bucket": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"role_entity": &schema.Schema{
Type: schema.TypeList,
Required: true,
Elem: &schema.Schema{Type: schema.TypeString},
MinItems: 1,
},
},
}
}
func resourceStorageDefaultObjectAclCreate(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
bucket := d.Get("bucket").(string)
roleEntity := d.Get("role_entity").([]interface{})
for _, v := range roleEntity {
pair, err := getRoleEntityPair(v.(string))
ObjectAccessControl := &storage.ObjectAccessControl{
Role: pair.Role,
Entity: pair.Entity,
}
log.Printf("[DEBUG]: setting role = %s, entity = %s on bucket %s", pair.Role, pair.Entity, bucket)
_, err = config.clientStorage.DefaultObjectAccessControls.Insert(bucket, ObjectAccessControl).Do()
if err != nil {
return fmt.Errorf("Error setting Default Object ACL for %s on bucket %s: %v", pair.Entity, bucket, err)
}
}
d.SetId(bucket)
return resourceStorageDefaultObjectAclRead(d, meta)
}
func resourceStorageDefaultObjectAclRead(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
bucket := d.Get("bucket").(string)
roleEntities := make([]interface{}, 0)
reLocal := d.Get("role_entity").([]interface{})
reLocalMap := make(map[string]string)
for _, v := range reLocal {
res, err := getRoleEntityPair(v.(string))
if err != nil {
return fmt.Errorf(
"Old state has malformed Role/Entity pair: %v", err)
}
reLocalMap[res.Entity] = res.Role
}
res, err := config.clientStorage.DefaultObjectAccessControls.List(bucket).Do()
if err != nil {
return handleNotFoundError(err, d, fmt.Sprintf("Storage Default Object ACL for bucket %q", d.Get("bucket").(string)))
}
for _, v := range res.Items {
role := v.Role
entity := v.Entity
// We only store updates to the locally defined access controls
if _, in := reLocalMap[entity]; in {
roleEntities = append(roleEntities, fmt.Sprintf("%s:%s", role, entity))
log.Printf("[DEBUG]: saving re %s-%s", v.Role, v.Entity)
}
}
d.Set("role_entity", roleEntities)
return nil
}
func resourceStorageDefaultObjectAclUpdate(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
bucket := d.Get("bucket").(string)
if !d.HasChange("role_entity") {
return nil
}
o, n := d.GetChange("role_entity")
oldRe := o.([]interface{})
newRe := n.([]interface{})
oldReMap := make(map[string]string)
for _, v := range oldRe {
res, err := getRoleEntityPair(v.(string))
if err != nil {
return fmt.Errorf(
"Old state has malformed Role/Entity pair: %v", err)
}
oldReMap[res.Entity] = res.Role
}
for _, v := range newRe {
pair, err := getRoleEntityPair(v.(string))
ObjectAccessControl := &storage.ObjectAccessControl{
Role: pair.Role,
Entity: pair.Entity,
}
// If the old state is present for the entity, it is updated
// If the old state is missing, it is inserted
if _, ok := oldReMap[pair.Entity]; ok {
_, err = config.clientStorage.DefaultObjectAccessControls.Update(
bucket, pair.Entity, ObjectAccessControl).Do()
} else {
_, err = config.clientStorage.DefaultObjectAccessControls.Insert(
bucket, ObjectAccessControl).Do()
}
// Now we only store the keys that have to be removed
delete(oldReMap, pair.Entity)
if err != nil {
return fmt.Errorf("Error updating Storage Default Object ACL for bucket %s: %v", bucket, err)
}
}
for entity := range oldReMap {
log.Printf("[DEBUG]: removing entity %s", entity)
err := config.clientStorage.DefaultObjectAccessControls.Delete(bucket, entity).Do()
if err != nil {
return fmt.Errorf("Error updating Storage Default Object ACL for bucket %s: %v", bucket, err)
}
}
return resourceStorageDefaultObjectAclRead(d, meta)
}
func resourceStorageDefaultObjectAclDelete(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
bucket := d.Get("bucket").(string)
reLocal := d.Get("role_entity").([]interface{})
for _, v := range reLocal {
res, err := getRoleEntityPair(v.(string))
if err != nil {
return err
}
log.Printf("[DEBUG]: removing entity %s", res.Entity)
err = config.clientStorage.DefaultObjectAccessControls.Delete(bucket, res.Entity).Do()
if err != nil {
return fmt.Errorf("Error deleting entity %s ACL: %s", res.Entity, err)
}
}
return nil
}