terraform/builtin/providers/google/resource_storage_object_acl.go

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package google
import (
"fmt"
"log"
"github.com/hashicorp/terraform/helper/schema"
"google.golang.org/api/googleapi"
"google.golang.org/api/storage/v1"
)
func resourceStorageObjectAcl() *schema.Resource {
return &schema.Resource{
Create: resourceStorageObjectAclCreate,
Read: resourceStorageObjectAclRead,
Update: resourceStorageObjectAclUpdate,
Delete: resourceStorageObjectAclDelete,
Schema: map[string]*schema.Schema{
"bucket": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"object": &schema.Schema{
Type: schema.TypeString,
Required: true,
ForceNew: true,
},
"predefined_acl": &schema.Schema{
Type: schema.TypeString,
Optional: true,
ForceNew: true,
},
"role_entity": &schema.Schema{
Type: schema.TypeList,
Optional: true,
Elem: &schema.Schema{Type: schema.TypeString},
},
},
}
}
func getObjectAclId(object string) string {
return object + "-acl"
}
func resourceStorageObjectAclCreate(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
bucket := d.Get("bucket").(string)
object := d.Get("object").(string)
predefined_acl := ""
role_entity := make([]interface{}, 0)
if v, ok := d.GetOk("predefined_acl"); ok {
predefined_acl = v.(string)
}
if v, ok := d.GetOk("role_entity"); ok {
role_entity = v.([]interface{})
}
if len(predefined_acl) > 0 {
if len(role_entity) > 0 {
return fmt.Errorf("Error, you cannot specify both " +
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"\"predefined_acl\" and \"role_entity\"")
}
res, err := config.clientStorage.Objects.Get(bucket, object).Do()
if err != nil {
return fmt.Errorf("Error reading object %s: %v", bucket, err)
}
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res, err = config.clientStorage.Objects.Update(bucket, object,
res).PredefinedAcl(predefined_acl).Do()
if err != nil {
return fmt.Errorf("Error updating object %s: %v", bucket, err)
}
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return resourceStorageBucketAclRead(d, meta)
} else if len(role_entity) > 0 {
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for _, v := range role_entity {
pair, err := getRoleEntityPair(v.(string))
objectAccessControl := &storage.ObjectAccessControl{
Role: pair.Role,
Entity: pair.Entity,
}
log.Printf("[DEBUG]: setting role = %s, entity = %s", pair.Role, pair.Entity)
_, err = config.clientStorage.ObjectAccessControls.Insert(bucket,
object, objectAccessControl).Do()
if err != nil {
return fmt.Errorf("Error setting ACL for %s on object %s: %v", pair.Entity, object, err)
}
}
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return resourceStorageObjectAclRead(d, meta)
}
return fmt.Errorf("Error, you must specify either " +
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"\"predefined_acl\" or \"role_entity\"")
}
func resourceStorageObjectAclRead(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
bucket := d.Get("bucket").(string)
object := d.Get("object").(string)
// Predefined ACLs cannot easily be parsed once they have been processed
// by the GCP server
if _, ok := d.GetOk("predefined_acl"); !ok {
role_entity := make([]interface{}, 0)
re_local := d.Get("role_entity").([]interface{})
re_local_map := make(map[string]string)
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for _, v := range re_local {
res, err := getRoleEntityPair(v.(string))
if err != nil {
return fmt.Errorf(
"Old state has malformed Role/Entity pair: %v", err)
}
re_local_map[res.Entity] = res.Role
}
res, err := config.clientStorage.ObjectAccessControls.List(bucket, object).Do()
if err != nil {
if gerr, ok := err.(*googleapi.Error); ok && gerr.Code == 404 {
log.Printf("[WARN] Removing Storage Object ACL for Bucket %q because it's gone", d.Get("bucket").(string))
// The resource doesn't exist anymore
d.SetId("")
return nil
}
return err
}
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for _, v := range res.Items {
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role := v.Role
entity := v.Entity
if _, in := re_local_map[entity]; in {
role_entity = append(role_entity, fmt.Sprintf("%s:%s", role, entity))
log.Printf("[DEBUG]: saving re %s-%s", role, entity)
}
}
d.Set("role_entity", role_entity)
}
d.SetId(getObjectAclId(object))
return nil
}
func resourceStorageObjectAclUpdate(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
bucket := d.Get("bucket").(string)
object := d.Get("object").(string)
if d.HasChange("role_entity") {
o, n := d.GetChange("role_entity")
old_re, new_re := o.([]interface{}), n.([]interface{})
old_re_map := make(map[string]string)
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for _, v := range old_re {
res, err := getRoleEntityPair(v.(string))
if err != nil {
return fmt.Errorf(
"Old state has malformed Role/Entity pair: %v", err)
}
old_re_map[res.Entity] = res.Role
}
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for _, v := range new_re {
pair, err := getRoleEntityPair(v.(string))
objectAccessControl := &storage.ObjectAccessControl{
Role: pair.Role,
Entity: pair.Entity,
}
// If the old state is missing this entity, it needs to
// be created. Otherwise it is updated
if _, ok := old_re_map[pair.Entity]; ok {
_, err = config.clientStorage.ObjectAccessControls.Update(
bucket, object, pair.Entity, objectAccessControl).Do()
} else {
_, err = config.clientStorage.ObjectAccessControls.Insert(
bucket, object, objectAccessControl).Do()
}
// Now we only store the keys that have to be removed
delete(old_re_map, pair.Entity)
if err != nil {
return fmt.Errorf("Error updating ACL for object %s: %v", bucket, err)
}
}
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for entity, _ := range old_re_map {
log.Printf("[DEBUG]: removing entity %s", entity)
err := config.clientStorage.ObjectAccessControls.Delete(bucket, object, entity).Do()
if err != nil {
return fmt.Errorf("Error updating ACL for object %s: %v", bucket, err)
}
}
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return resourceStorageObjectAclRead(d, meta)
}
return nil
}
func resourceStorageObjectAclDelete(d *schema.ResourceData, meta interface{}) error {
config := meta.(*Config)
bucket := d.Get("bucket").(string)
object := d.Get("object").(string)
re_local := d.Get("role_entity").([]interface{})
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for _, v := range re_local {
res, err := getRoleEntityPair(v.(string))
if err != nil {
return err
}
entity := res.Entity
log.Printf("[DEBUG]: removing entity %s", entity)
err = config.clientStorage.ObjectAccessControls.Delete(bucket, object,
entity).Do()
if err != nil {
return fmt.Errorf("Error deleting entity %s ACL: %s",
entity, err)
}
}
return nil
}