From a4ba17b668bd893d50fd4f3a5453da89966a77e3 Mon Sep 17 00:00:00 2001
From: Michael Kerrin <michael.kerrin@hp.com>
Date: Wed, 17 Apr 2013 15:36:28 +0000
Subject: [PATCH] Deleting a backup removed the backup record from database

Instead we should be marking the backup as deleted so that we have an audit
of all the backups. Backups are now marked deleted in the way that volumes
are.

Fixes bug: 1169943
Fixes bug: 1169857

Change-Id: I52c603be138c0f1d6d411d167977041255ac9053
---
 cinder/db/sqlalchemy/api.py | 21 ++++++++++++------
 cinder/tests/test_backup.py | 43 +++++++++++++++++++++++++++++++++++++
 2 files changed, 57 insertions(+), 7 deletions(-)

diff --git a/cinder/db/sqlalchemy/api.py b/cinder/db/sqlalchemy/api.py
index 96dccc7d8..8c4fc2504 100644
--- a/cinder/db/sqlalchemy/api.py
+++ b/cinder/db/sqlalchemy/api.py
@@ -1936,28 +1936,31 @@ def sm_volume_get_all(context):
 @require_context
 def backup_get(context, backup_id, session=None):
     result = model_query(context, models.Backup,
-                         read_deleted="yes").filter_by(id=backup_id).first()
+                         session=session, project_only=True).\
+        filter_by(id=backup_id).\
+        first()
+
     if not result:
         raise exception.BackupNotFound(backup_id=backup_id)
+
     return result
 
 
 @require_admin_context
 def backup_get_all(context):
-    return model_query(context, models.Backup, read_deleted="yes").all()
+    return model_query(context, models.Backup).all()
 
 
 @require_admin_context
 def backup_get_all_by_host(context, host):
-    return model_query(context, models.Backup,
-                       read_deleted="yes").filter_by(host=host).all()
+    return model_query(context, models.Backup).filter_by(host=host).all()
 
 
 @require_context
 def backup_get_all_by_project(context, project_id):
     authorize_project_context(context, project_id)
 
-    return model_query(context, models.Backup, read_deleted="yes").\
+    return model_query(context, models.Backup).\
         filter_by(project_id=project_id).all()
 
 
@@ -1992,5 +1995,9 @@ def backup_update(context, backup_id, values):
 def backup_destroy(context, backup_id):
     session = get_session()
     with session.begin():
-        model_query(context, models.Backup,
-                    read_deleted="yes").filter_by(id=backup_id).delete()
+        session.query(models.Backup).\
+            filter_by(id=backup_id).\
+            update({'status': 'deleted',
+                    'deleted': True,
+                    'deleted_at': timeutils.utcnow(),
+                    'updated_at': literal_column('updated_at')})
diff --git a/cinder/tests/test_backup.py b/cinder/tests/test_backup.py
index 70a836118..bffddb36c 100644
--- a/cinder/tests/test_backup.py
+++ b/cinder/tests/test_backup.py
@@ -25,6 +25,7 @@ from cinder import exception
 from cinder import flags
 from cinder.openstack.common import importutils
 from cinder.openstack.common import log as logging
+from cinder.openstack.common import timeutils
 from cinder import test
 
 FLAGS = flags.FLAGS
@@ -341,6 +342,12 @@ class BackupTestCase(test.TestCase):
                           self.ctxt,
                           backup_id)
 
+        ctxt_read_deleted = context.get_admin_context('yes')
+        backup = db.backup_get(ctxt_read_deleted, backup_id)
+        self.assertEqual(backup.deleted, True)
+        self.assertTrue(timeutils.utcnow() > backup.deleted_at)
+        self.assertEqual(backup.status, 'deleted')
+
     def test_list_backup(self):
         backups = db.backup_get_all_by_project(self.ctxt, 'project1')
         self.assertEqual(len(backups), 0)
@@ -350,3 +357,39 @@ class BackupTestCase(test.TestCase):
         backups = db.backup_get_all_by_project(self.ctxt, 'project1')
         self.assertEqual(len(backups), 1)
         self.assertEqual(backups[0].id, b2)
+
+    def test_backup_get_all_by_project_with_deleted(self):
+        """Test deleted backups don't show up in backup_get_all_by_project.
+           Unless context.read_deleted is 'yes'"""
+        backups = db.backup_get_all_by_project(self.ctxt, 'fake')
+        self.assertEqual(len(backups), 0)
+
+        backup_id_keep = self._create_backup_db_entry()
+        backup_id = self._create_backup_db_entry()
+        db.backup_destroy(self.ctxt, backup_id)
+
+        backups = db.backup_get_all_by_project(self.ctxt, 'fake')
+        self.assertEqual(len(backups), 1)
+        self.assertEqual(backups[0].id, backup_id_keep)
+
+        ctxt_read_deleted = context.get_admin_context('yes')
+        backups = db.backup_get_all_by_project(ctxt_read_deleted, 'fake')
+        self.assertEqual(len(backups), 2)
+
+    def test_backup_get_all_by_host_with_deleted(self):
+        """Test deleted backups don't show up in backup_get_all_by_project.
+           Unless context.read_deleted is 'yes'"""
+        backups = db.backup_get_all_by_host(self.ctxt, 'testhost')
+        self.assertEqual(len(backups), 0)
+
+        backup_id_keep = self._create_backup_db_entry()
+        backup_id = self._create_backup_db_entry()
+        db.backup_destroy(self.ctxt, backup_id)
+
+        backups = db.backup_get_all_by_host(self.ctxt, 'testhost')
+        self.assertEqual(len(backups), 1)
+        self.assertEqual(backups[0].id, backup_id_keep)
+
+        ctxt_read_deleted = context.get_admin_context('yes')
+        backups = db.backup_get_all_by_host(ctxt_read_deleted, 'testhost')
+        self.assertEqual(len(backups), 2)
-- 
2.45.2