def _test_is_newer_than(self, fn, datetime_mock):
datetime_mock.utcnow.return_value = self.skynet_self_aware_time
expect_true = timeutils.is_newer_than(fn(self.one_minute_after), 59)
self.assertTrue(expect_true)
expect_false = timeutils.is_newer_than(fn(self.one_minute_after), 60)
self.assertFalse(expect_false)
expect_false = timeutils.is_newer_than(fn(self.one_minute_after), 61)
self.assertFalse(expect_false)
def _test_is_newer_than(self, fn):
strptime = datetime.datetime.strptime
with mock.patch('datetime.datetime') as datetime_mock:
datetime_mock.utcnow.return_value = self.skynet_self_aware_time
datetime_mock.strptime = strptime
expect_true = timeutils.is_newer_than(fn(self.one_minute_after),
59)
self.assertTrue(expect_true)
expect_false = timeutils.is_newer_than(fn(self.one_minute_after),
60)
self.assertFalse(expect_false)
expect_false = timeutils.is_newer_than(fn(self.one_minute_after),
61)
self.assertFalse(expect_false)
def _test_is_newer_than(self, fn):
strptime = datetime.datetime.strptime
with mock.patch('datetime.datetime') as datetime_mock:
datetime_mock.utcnow.return_value = self.skynet_self_aware_time
datetime_mock.strptime = strptime
expect_true = timeutils.is_newer_than(fn(self.one_minute_after),
59)
self.assertTrue(expect_true)
expect_false = timeutils.is_newer_than(fn(self.one_minute_after),
60)
self.assertFalse(expect_false)
expect_false = timeutils.is_newer_than(fn(self.one_minute_after),
61)
self.assertFalse(expect_false)
def refresh_cluster_ssc(backend, na_server, vserver, synchronous=False):
"""Refresh cluster ssc for backend."""
if not isinstance(na_server, netapp_api.NaServer):
raise exception.InvalidInput(reason=_("Backend server not NaServer."))
delta_secs = getattr(backend, 'ssc_run_delta_secs', 1800)
if getattr(backend, 'ssc_job_running', None):
LOG.warning(_LW('ssc job in progress. Returning... '))
return
elif (getattr(backend, 'ssc_run_time', None) is None
or (backend.ssc_run_time
and timeutils.is_newer_than(backend.ssc_run_time, delta_secs))):
if synchronous:
get_cluster_latest_ssc(backend, na_server, vserver)
else:
t = threading.Timer(0,
get_cluster_latest_ssc,
args=[backend, na_server, vserver])
t.start()
elif getattr(backend, 'refresh_stale_running', None):
LOG.warning(_LW('refresh stale ssc job in progress. Returning... '))
return
else:
if backend.stale_vols:
if synchronous:
refresh_cluster_stale_ssc(backend, na_server, vserver)
else:
t = threading.Timer(0,
refresh_cluster_stale_ssc,
args=[backend, na_server, vserver])
t.start()
def refresh_cluster_ssc(backend, na_server, vserver, synchronous=False):
"""Refresh cluster ssc for backend."""
if not isinstance(na_server, netapp_api.NaServer):
raise exception.InvalidInput(reason=_("Backend server not NaServer."))
delta_secs = getattr(backend, 'ssc_run_delta_secs', 1800)
if getattr(backend, 'ssc_job_running', None):
LOG.warning(_LW('ssc job in progress. Returning... '))
return
elif (getattr(backend, 'ssc_run_time', None) is None or
(backend.ssc_run_time and
timeutils.is_newer_than(backend.ssc_run_time, delta_secs))):
if synchronous:
get_cluster_latest_ssc(backend, na_server, vserver)
else:
t = threading.Timer(0, get_cluster_latest_ssc,
args=[backend, na_server, vserver])
t.start()
elif getattr(backend, 'refresh_stale_running', None):
LOG.warning(_LW('refresh stale ssc job in progress. Returning... '))
return
else:
if backend.stale_vols:
if synchronous:
refresh_cluster_stale_ssc(backend, na_server, vserver)
else:
t = threading.Timer(0, refresh_cluster_stale_ssc,
args=[backend, na_server, vserver])
t.start()
def _refresh_volume_info(self):
"""Saves the volume information for the filer."""
if (self.vol_refresh_time is None or self.vol_refresh_voluntary or
timeutils.is_newer_than(self.vol_refresh_time,
self.vol_refresh_interval)):
try:
job_set = na_utils.set_safe_attr(self, 'vol_refresh_running',
True)
if not job_set:
LOG.warning(_LW("Volume refresh job already running. "
"Returning..."))
return
self.vol_refresh_voluntary = False
self.vols = self.zapi_client.get_filer_volumes()
self.vol_refresh_time = timeutils.utcnow()
except Exception as e:
LOG.warning(_LW("Error refreshing volume info. Message: %s"),
e)
finally:
na_utils.set_safe_attr(self, 'vol_refresh_running', False)
def _refresh_volume_info(self):
"""Saves the volume information for the filer."""
if (self.vol_refresh_time is None
or self.vol_refresh_voluntary or timeutils.is_newer_than(
self.vol_refresh_time, self.vol_refresh_interval)):
try:
job_set = na_utils.set_safe_attr(self, 'vol_refresh_running',
True)
if not job_set:
LOG.warning("Volume refresh job already running. "
"Returning...")
return
self.vol_refresh_voluntary = False
self.vols = self.zapi_client.get_filer_volumes()
self.volume_list = self._get_filtered_pools()
self.vol_refresh_time = timeutils.utcnow()
except Exception as e:
LOG.warning("Error refreshing volume info. Message: %s", e)
finally:
na_utils.set_safe_attr(self, 'vol_refresh_running', False)
def is_ec2_timestamp_expired(request, expires=None):
"""Checks the timestamp or expiry time included in an EC2 request
and returns true if the request is expired
"""
query_time = None
timestamp = request.get('Timestamp')
expiry_time = request.get('Expires')
def parse_strtime(strtime):
if _ms_time_regex.match(strtime):
# NOTE(MotoKen): time format for aws-sdk-java contains millisecond
time_format = "%Y-%m-%dT%H:%M:%S.%fZ"
else:
time_format = "%Y-%m-%dT%H:%M:%SZ"
return timeutils.parse_strtime(strtime, time_format)
try:
if timestamp and expiry_time:
msg = _("Request must include either Timestamp or Expires,"
" but cannot contain both")
LOG.error(msg)
raise exception.InvalidRequest(msg)
elif expiry_time:
query_time = parse_strtime(expiry_time)
return timeutils.is_older_than(query_time, -1)
elif timestamp:
query_time = parse_strtime(timestamp)
# Check if the difference between the timestamp in the request
# and the time on our servers is larger than 5 minutes, the
# request is too old (or too new).
if query_time and expires:
return (timeutils.is_older_than(query_time, expires) or
timeutils.is_newer_than(query_time, expires))
return False
except ValueError:
LOG.exception(_("Timestamp is invalid: "))
return True
