openstack/swift
Code Issues Proposed changes

Emit warning log in object replicator

Browse Source 
When the object-replicator encounters handoffs_first and
handoff_delete options as enabled it should emit a log
warning indicating that it should be changed back to the
default before the next "normal" rebalance.

Closes-Bug: #1457262

Change-Id: If9dc2796c18ed3cf13da920831e2d5c2ae9f12a0
This commit is contained in:
Pradeep Kumar Singh 2015-07-14 10:03:18 +05:30
parent ef8f14f2ba
commit ab163702de
2 changed files with 23 additions and 2 deletions
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8
swift/obj/replicator.py
View File

@ -53,13 +53,13 @@ class ObjectReplicator(Daemon):
caller to do this in a loop.
"""
def __init__(self, conf):
def __init__(self, conf, logger=None):
"""
:param conf: configuration object obtained from ConfigParser
:param logger: logging object
"""
self.conf = conf
self.logger = get_logger(conf, log_route='object-replicator')
self.logger = logger or get_logger(conf, log_route='object-replicator')
self.devices_dir = conf.get('devices', '/srv/node')
self.mount_check = config_true_value(conf.get('mount_check', 'true'))
self.vm_test_mode = config_true_value(conf.get('vm_test_mode', 'no'))
@ -99,6 +99,10 @@ class ObjectReplicator(Daemon):
False))
self.handoff_delete = config_auto_int_value(
conf.get('handoff_delete', 'auto'), 0)
if any((self.handoff_delete, self.handoffs_first)):
self.logger.warn('handoffs_first and handoff_delete should be'
' changed back to the default before the next'
' normal rebalance')
self._diskfile_mgr = DiskFileManager(conf, self.logger)
# Just exists for doc anchor point

17
test/unit/obj/test_replicator.py
View File

@ -184,6 +184,23 @@ class TestObjectReplicator(unittest.TestCase):
def tearDown(self):
rmtree(self.testdir, ignore_errors=1)
def test_handoff_replication_setting_warnings(self):
conf = {'handoffs_first': 'true'}
replicator = object_replicator.ObjectReplicator(
conf, logger=self.logger)
self.assertTrue(replicator.handoffs_first)
log_message = 'handoffs_first and handoff_delete should'\
' be changed back to the default before the'\
' next normal rebalance'
expected = [log_message]
self.assertEqual(self.logger.get_lines_for_level('warning'), expected)
conf = {'handoff_delete': '2'}
replicator = object_replicator.ObjectReplicator(
conf, logger=self.logger)
self.assertEqual(replicator.handoff_delete, 2)
expected.append(log_message)
self.assertEqual(self.logger.get_lines_for_level('warning'), expected)
def _write_disk_data(self, disk_name):
os.mkdir(os.path.join(self.devices, disk_name))
objects = os.path.join(self.devices, disk_name,