Fix grammatical mistake, Changed character from "a" to "an"

Change-Id: I3d1126f8243f80d6f15cc79813d9001fe7dd7853

cinder/api/v3/attachments.py

@@ -149,7 +149,7 @@ class AttachmentsController(wsgi.Controller):
             }
 
         NOTE all that's required for a reserve is volume_uuid
-        and a instance_uuid.
+        and an instance_uuid.
 
         returns: A summary view of the attachment object
         """

cinder/objects/volume_attachment.py

@@ -66,7 +66,7 @@ class VolumeAttachment(base.CinderPersistentObject, base.CinderObject,
         return ['volume']
 
     def obj_make_compatible(self, primitive, target_version):
-        """Make a object representation compatible with target version."""
+        """Make an object representation compatible with target version."""
         super(VolumeAttachment, self).obj_make_compatible(primitive,
                                                           target_version)
         target_version = versionutils.convert_version_to_tuple(target_version)

cinder/tests/unit/api/contrib/test_volume_image_metadata.py

@@ -149,7 +149,7 @@ class VolumeImageMetadataTest(test.TestCase):
         db.volume_glance_metadata_create(ctxt, fake.VOLUME_ID, 'ramdisk_id',
                                          'someramdisk')
 
-        # create a unbootable volume
+        # create an unbootable volume
         db.volume_create(ctxt, {'id': fake.VOLUME2_ID, 'status': 'available',
                                 'host': 'test', 'provider_location': '',
                                 'size': 1})

cinder/tests/unit/api/test_common.py

@@ -57,7 +57,7 @@ class LimiterTest(test.TestCase):
 
         This test includes next test cases:
         1) Offset key works with a blank offset;
-        2) Offset key works with a offset out of range;
+        2) Offset key works with an offset out of range;
         3) Offset key works with a BAD offset;
         4) Offset value is negative;
         5) Limit value is bad;

cinder/tests/unit/volume/drivers/ibm/test_storwize_svc.py

@@ -2435,7 +2435,7 @@ class StorwizeSVCISCSIDriverTestCase(test.TestCase):
                        '_do_initialize_connection')
     def test_storwize_do_terminate_iscsi_connection(self, init_conn,
                                                     term_conn):
-        # create a iSCSI volume
+        # create an iSCSI volume
         volume_iSCSI = self._create_volume()
         extra_spec = {'capabilities:storage_protocol': '<in> iSCSI'}
         vol_type_iSCSI = volume_types.create(self.ctxt, 'iSCSI', extra_spec)
@@ -2454,7 +2454,7 @@ class StorwizeSVCISCSIDriverTestCase(test.TestCase):
     @mock.patch.object(storwize_svc_iscsi.StorwizeSVCISCSIDriver,
                        '_do_terminate_connection')
     def test_storwize_initialize_iscsi_connection_failure(self, term_conn):
-        # create a iSCSI volume
+        # create an iSCSI volume
         volume_iSCSI = self._create_volume()
         extra_spec = {'capabilities:storage_protocol': '<in> iSCSI'}
         vol_type_iSCSI = volume_types.create(self.ctxt, 'iSCSI', extra_spec)
@@ -2472,7 +2472,7 @@ class StorwizeSVCISCSIDriverTestCase(test.TestCase):
         term_conn.assert_called_once_with(volume_iSCSI, connector)
 
     def test_storwize_terminate_iscsi_connection_multi_attach(self):
-        # create a iSCSI volume
+        # create an iSCSI volume
         volume_iSCSI = self._create_volume()
         extra_spec = {'capabilities:storage_protocol': '<in> iSCSI'}
         vol_type_iSCSI = volume_types.create(self.ctxt, 'iSCSI', extra_spec)

cinder/volume/drivers/infortrend/raidcmd_cli/common_cli.py

@@ -468,7 +468,7 @@ class InfortrendCommon(object):
         self._check_tiers_setup()
 
     def create_volume(self, volume):
-        """Create a Infortrend partition."""
+        """Create an Infortrend partition."""
         volume_id = volume['id'].replace('-', '')
 
         self._create_partition_by_default(volume)

cinder/volume/drivers/kaminario/kaminario_common.py

@@ -619,7 +619,7 @@ class KaminarioCinderDriver(cinder.volume.driver.ISCSIDriver):
         src_map = self.client.search("mappings", volume=src_vol)
         src_attach_info = dest_attach_info = None
         if src_map.total != 0:
-            msg = _("K2 driver does not support clone of a attached volume. "
+            msg = _("K2 driver does not support clone of an attached volume. "
                     "To get this done, create a snapshot from the attached "
                     "volume and then create a volume from the snapshot.")
             LOG.error(msg)

cinder/volume/drivers/netapp/eseries/library.py

@@ -403,7 +403,7 @@ class NetAppESeriesLibrary(object):
             raise exception.NotFound(msg % snapshot['pitGroupRef'])
 
     def _get_snapshot_legacy(self, snapshot):
-        """Find a E-Series snapshot by the name of the snapshot group.
+        """Find an E-Series snapshot by the name of the snapshot group.
 
         Snapshots were previously identified by the unique name of the
         snapshot group. A snapshot volume is now utilized to uniquely
@@ -431,7 +431,7 @@ class NetAppESeriesLibrary(object):
                                    'found.') % snapshot['id'])
 
     def _get_snapshot(self, snapshot):
-        """Find a E-Series snapshot by its Cinder identifier
+        """Find an E-Series snapshot by its Cinder identifier
 
         An E-Series snapshot image does not have a configuration name/label,
         so we define a snapshot volume underneath of it that will help us to

cinder/volume/drivers/pure.py

@@ -832,7 +832,7 @@ class PureBaseVolumeDriver(san.SanDriver):
                     ctxt.reraise = False
 
         # If volume information was unable to be retrieved we need
-        # to throw a Invalid Reference exception.
+        # to throw an Invalid Reference exception.
         raise exception.ManageExistingInvalidReference(
             existing_ref=existing_ref,
             reason=_("Unable to find Purity ref with name=%s") % ref_vol_name)

cinder/volume/drivers/zte/zte_ks.py

@@ -529,7 +529,7 @@ class ZTEVolumeDriver(driver.VolumeDriver):
         pass
 
     def ensure_export(self, context, volume):
-        """Driver entry point to get the export info for a existing volume."""
+        """Driver entry point to get the export info for an existing volume."""
         pass
 
     def remove_export(self, context, volume_id):

cinder/volume/flows/manager/create_volume.py

@@ -1004,8 +1004,8 @@ def get_flow(context, manager, db, driver, scheduler_rpcapi, host, volume,
     4. Extracts a volume specification from the provided inputs.
     5. Notifies that the volume has started to be created.
     6. Creates a volume from the extracted volume specification.
-    7. Attaches a on-success *only* task that notifies that the volume creation
+    7. Attaches an on-success *only* task that notifies that the volume
-       has ended and performs further database status updates.
+       creation has ended and performs further database status updates.
     """
 
     flow_name = ACTION.replace(":", "_") + "_manager"

cinder/zonemanager/drivers/cisco/cisco_fc_zone_driver.py

@@ -211,7 +211,7 @@ class CiscoFCZoneDriver(fc_zone_driver.FCZoneDriver):
                             self.configuration.cisco_zone_name_prefix,
                             SUPPORTED_CHARS))
 
-                    # If zone exists, then perform a update_zone and add
+                    # If zone exists, then perform an update_zone and add
                     # new members into existing zone.
                     if zone_name and (zone_name in zone_names):
                         zone_members = filter(

doc/source/upgrade.rst

@@ -29,7 +29,7 @@ old orphaned records in that table.
 Graceful service shutdown
 '''''''''''''''''''''''''
 
-Many cinder services are python processes listening for messages on a AMQP
+Many cinder services are python processes listening for messages on an AMQP
 queue. When the operator sends SIGTERM signal to the process, it stops getting
 new work from its queue, completes any outstanding work and then terminates.
 During this process, messages can be left on the queue for when the python