Import ec2 credentials from old keystone db

Fix bug #1016056

Change-Id: Iebf31ccbdeff274b2c8f265911d3411963dd4844

AUTHORS

@@ -27,6 +27,7 @@ Dean Troyer <dtroyer@gmail.com>
 Deepak Garg <deepakgarg.iitg@gmail.com>
 Derek Higgins <derekh@redhat.com>
 Devin Carlen <devin.carlen@gmail.com>
+Dmitry Khovyakov <dkhovyakov@griddynamics.com>
 Dolph Mathews <dolph.mathews@gmail.com>
 Dolph Mathews <dolph.mathews@rackspace.com>
 Ed Leafe <ed@leafe.com>

keystone/common/sql/legacy.py

@@ -17,10 +17,16 @@
 import re
 
 import sqlalchemy
+from sqlalchemy import exc
 
+from keystone.common import logging
+from keystone.contrib.ec2.backends import sql as ec2_sql
 from keystone.identity.backends import sql as identity_sql
 
 
+LOG = logging.getLogger(__name__)
+
+
 def export_db(db):
     table_names = db.table_names()
 
@@ -50,6 +56,7 @@ class LegacyMigration(object):
         self.db = sqlalchemy.create_engine(db_string)
         self.identity_driver = identity_sql.Identity()
         self.identity_driver.db_sync()
+        self.ec2_driver = ec2_sql.Ec2()
         self._data = {}
         self._user_map = {}
         self._tenant_map = {}
@@ -62,6 +69,7 @@ class LegacyMigration(object):
         self._migrate_roles()
         self._migrate_user_roles()
         self._migrate_tokens()
+        self._migrate_ec2()
 
     def dump_catalog(self):
         """Generate the contents of a catalog templates file."""
@@ -153,3 +161,14 @@ class LegacyMigration(object):
 
     def _migrate_tokens(self):
         pass
+
+    def _migrate_ec2(self):
+        for x in self._data['credentials']:
+            new_dict = {'user_id': x['user_id'],
+                        'tenant_id': x['tenant_id'],
+                        'access': x['key'],
+                        'secret': x['secret']}
+            try:
+                self.ec2_driver.create_credential(None, new_dict)
+            except exc.IntegrityError:
+                LOG.exception('Cannot migrate EC2 credential: %s' % x)