def _inner():
if initial_delay:
greenthread.sleep(initial_delay)
try:
while self._running:
start = timeutils.utcnow()
self.f(*self.args, **self.kw)
end = timeutils.utcnow()
if not self._running:
break
delay = interval - timeutils.delta_seconds(start, end)
if delay <= 0:
LOG.warn(_('task run outlasted interval by %s sec') %
-delay)
greenthread.sleep(delay if delay > 0 else 0)
except LoopingCallDone as e:
self.stop()
done.send(e.retvalue)
except Exception:
LOG.exception(_('in fixed duration looping call'))
done.send_exception(*sys.exc_info())
return
else:
done.send(True)
def run_periodic_tasks(self, context, raise_on_error=False):
"""Tasks to be run at a periodic interval."""
idle_for = DEFAULT_INTERVAL
for task_name, task in self._periodic_tasks:
full_task_name = ".".join([self.__class__.__name__, task_name])
now = timeutils.utcnow()
spacing = self._periodic_spacing[task_name]
last_run = self._periodic_last_run[task_name]
# If a periodic task is _nearly_ due, then we'll run it early
if spacing is not None and last_run is not None:
due = last_run + datetime.timedelta(seconds=spacing)
if not timeutils.is_soon(due, 0.2):
idle_for = min(idle_for, timeutils.delta_seconds(now, due))
continue
if spacing is not None:
idle_for = min(idle_for, spacing)
LOG.debug(_("Running periodic task %(full_task_name)s"), {"full_task_name": full_task_name})
self._periodic_last_run[task_name] = timeutils.utcnow()
try:
task(self, context)
except Exception as e:
if raise_on_error:
raise
LOG.exception(_("Error during %(full_task_name)s: %(e)s"), {"full_task_name": full_task_name, "e": e})
time.sleep(0)
return idle_for
def test_service_is_up(self):
serv = self.useFixture(
ServiceFixture(self._host, self._binary, self._topic)).serv
serv.start()
service_ref = db.service_get_by_args(self._ctx,
self._host,
self._binary)
fake_now = 1000
down_time = 15
self.flags(service_down_time=down_time)
self.mox.StubOutWithMock(timeutils, 'utcnow_ts')
self.servicegroup_api = servicegroup.API()
hostkey = str("%s:%s" % (self._topic, self._host))
# Up (equal)
timeutils.utcnow_ts().AndReturn(fake_now)
timeutils.utcnow_ts().AndReturn(fake_now + down_time - 1)
self.mox.ReplayAll()
self.servicegroup_api._driver.mc.set(hostkey,
timeutils.utcnow(),
time=down_time)
result = self.servicegroup_api.service_is_up(service_ref)
self.assertTrue(result)
self.mox.ResetAll()
# Up
timeutils.utcnow_ts().AndReturn(fake_now)
timeutils.utcnow_ts().AndReturn(fake_now + down_time - 2)
self.mox.ReplayAll()
self.servicegroup_api._driver.mc.set(hostkey,
timeutils.utcnow(),
time=down_time)
result = self.servicegroup_api.service_is_up(service_ref)
self.assertTrue(result)
self.mox.ResetAll()
# Down
timeutils.utcnow_ts().AndReturn(fake_now)
timeutils.utcnow_ts().AndReturn(fake_now + down_time)
self.mox.ReplayAll()
self.servicegroup_api._driver.mc.set(hostkey,
timeutils.utcnow(),
time=down_time)
result = self.servicegroup_api.service_is_up(service_ref)
self.assertFalse(result)
self.mox.ResetAll()
# Down
timeutils.utcnow_ts().AndReturn(fake_now)
timeutils.utcnow_ts().AndReturn(fake_now + down_time + 1)
self.mox.ReplayAll()
self.servicegroup_api._driver.mc.set(hostkey,
timeutils.utcnow(),
time=down_time)
result = self.servicegroup_api.service_is_up(service_ref)
self.assertFalse(result)
self.mox.ResetAll()
def test_memcached_driver(self):
serv = self.useFixture(
ServiceFixture(self._host, self._binary, self._topic)).serv
serv.start()
service_ref = db.service_get_by_args(self._ctx,
self._host,
self._binary)
hostkey = str("%s:%s" % (self._topic, self._host))
self.servicegroup_api._driver.mc.set(hostkey,
timeutils.utcnow(),
time=self.down_time)
self.assertTrue(self.servicegroup_api.service_is_up(service_ref))
self.useFixture(test.TimeOverride())
timeutils.advance_time_seconds(self.down_time + 1)
self.servicegroup_api._driver._report_state(serv)
service_ref = db.service_get_by_args(self._ctx,
self._host,
self._binary)
self.assertTrue(self.servicegroup_api.service_is_up(service_ref))
serv.stop()
timeutils.advance_time_seconds(self.down_time + 1)
service_ref = db.service_get_by_args(self._ctx,
self._host,
self._binary)
self.assertFalse(self.servicegroup_api.service_is_up(service_ref))
def soft_delete(self, synchronize_session='evaluate'):
return self.update(
{
'deleted': literal_column('id'),
'updated_at': literal_column('updated_at'),
'deleted_at': timeutils.utcnow()
},
synchronize_session=synchronize_session)
def test_get_all(self):
host1 = self._host + '_1'
host2 = self._host + '_2'
host3 = self._host + '_3'
serv1 = self.useFixture(
ServiceFixture(host1, self._binary, self._topic)).serv
serv1.start()
serv2 = self.useFixture(
ServiceFixture(host2, self._binary, self._topic)).serv
serv2.start()
serv3 = self.useFixture(
ServiceFixture(host3, self._binary, self._topic)).serv
serv3.start()
db.service_get_by_args(self._ctx, host1, self._binary)
db.service_get_by_args(self._ctx, host2, self._binary)
db.service_get_by_args(self._ctx, host3, self._binary)
host1key = str("%s:%s" % (self._topic, host1))
host2key = str("%s:%s" % (self._topic, host2))
host3key = str("%s:%s" % (self._topic, host3))
self.servicegroup_api._driver.mc.set(host1key,
timeutils.utcnow(),
time=self.down_time)
self.servicegroup_api._driver.mc.set(host2key,
timeutils.utcnow(),
time=self.down_time)
self.servicegroup_api._driver.mc.set(host3key,
timeutils.utcnow(),
time=-1)
services = self.servicegroup_api.get_all(self._topic)
self.assertIn(host1, services)
self.assertIn(host2, services)
self.assertNotIn(host3, services)
service_id = self.servicegroup_api.get_one(self._topic)
self.assertIn(service_id, services)
def test_service_is_up(self):
fts_func = datetime.datetime.fromtimestamp
fake_now = 1000
down_time = 15
self.flags(service_down_time=down_time)
self.mox.StubOutWithMock(timeutils, 'utcnow')
self.servicegroup_api = servicegroup.API()
# Up (equal)
timeutils.utcnow().AndReturn(fts_func(fake_now))
service = {'updated_at': fts_func(fake_now - self.down_time),
'created_at': fts_func(fake_now - self.down_time)}
self.mox.ReplayAll()
result = self.servicegroup_api.service_is_up(service)
self.assertTrue(result)
self.mox.ResetAll()
# Up
timeutils.utcnow().AndReturn(fts_func(fake_now))
service = {'updated_at': fts_func(fake_now - self.down_time + 1),
'created_at': fts_func(fake_now - self.down_time + 1)}
self.mox.ReplayAll()
result = self.servicegroup_api.service_is_up(service)
self.assertTrue(result)
self.mox.ResetAll()
# Down
timeutils.utcnow().AndReturn(fts_func(fake_now))
service = {'updated_at': fts_func(fake_now - self.down_time - 3),
'created_at': fts_func(fake_now - self.down_time - 3)}
self.mox.ReplayAll()
result = self.servicegroup_api.service_is_up(service)
self.assertFalse(result)
def network_delete(context, gid, network_id):
session = get_session()
network_ref = session.query(models.Network)\
.filter(models.Network.deleted == 0)\
.filter(models.Network.gid == gid)\
.filter(models.Network.network_id == network_id)\
.first()
values = {}
values["deleted"] = 1
values["deleted_at"] = timeutils.utcnow()
values["status"] = "DELETING"
network_ref.update(values)
network_ref.save(session)
return dict(network_ref)
def network_delete(context, gid, network_id):
session = get_session()
network_ref = session.query(models.Network)\
.filter(models.Network.deleted == 0)\
.filter(models.Network.gid == gid)\
.filter(models.Network.network_id == network_id)\
.first()
values = {}
values["deleted"] = 1
values["deleted_at"] = timeutils.utcnow()
values["status"] = "DELETING"
network_ref.update(values)
network_ref.save(session)
return dict(network_ref)
def drop_old_duplicate_entries_from_table(migrate_engine, table_name,
use_soft_delete, *uc_column_names):
"""Drop all old rows having the same values for columns in uc_columns.
This method drop (or mark ad `deleted` if use_soft_delete is True) old
duplicate rows form table with name `table_name`.
:param migrate_engine: Sqlalchemy engine
:param table_name: Table with duplicates
:param use_soft_delete: If True - values will be marked as `deleted`,
if False - values will be removed from table
:param uc_column_names: Unique constraint columns
"""
meta = MetaData()
meta.bind = migrate_engine
table = Table(table_name, meta, autoload=True)
columns_for_group_by = [table.c[name] for name in uc_column_names]
columns_for_select = [func.max(table.c.id)]
columns_for_select.extend(columns_for_group_by)
duplicated_rows_select = select(columns_for_select,
group_by=columns_for_group_by,
having=func.count(table.c.id) > 1)
for row in migrate_engine.execute(duplicated_rows_select):
# NOTE(boris-42): Do not remove row that has the biggest ID.
delete_condition = table.c.id != row[0]
is_none = None # workaround for pyflakes
delete_condition &= table.c.deleted_at == is_none
for name in uc_column_names:
delete_condition &= table.c[name] == row[name]
rows_to_delete_select = select([table.c.id]).where(delete_condition)
for row in migrate_engine.execute(rows_to_delete_select).fetchall():
LOG.info(_LI("Deleting duplicated row with id: %(id)s from table: "
"%(table)s") % dict(id=row[0], table=table_name))
if use_soft_delete:
delete_statement = table.update().\
where(delete_condition).\
values({
'deleted': literal_column('id'),
'updated_at': literal_column('updated_at'),
'deleted_at': timeutils.utcnow()
})
else:
delete_statement = table.delete().where(delete_condition)
migrate_engine.execute(delete_statement)
def run_periodic_tasks(self, context, raise_on_error=False):
"""Tasks to be run at a periodic interval."""
idle_for = DEFAULT_INTERVAL
for task_name, task in self._periodic_tasks:
full_task_name = '.'.join([self.__class__.__name__, task_name])
now = timeutils.utcnow()
spacing = self._periodic_spacing[task_name]
last_run = self._periodic_last_run[task_name]
# If a periodic task is _nearly_ due, then we'll run it early
if spacing is not None and last_run is not None:
due = last_run + datetime.timedelta(seconds=spacing)
if not timeutils.is_soon(due, 0.2):
idle_for = min(idle_for, timeutils.delta_seconds(now, due))
continue
if spacing is not None:
idle_for = min(idle_for, spacing)
LOG.debug(_("Running periodic task %(full_task_name)s"),
{"full_task_name": full_task_name})
self._periodic_last_run[task_name] = timeutils.utcnow()
try:
task(self, context)
except Exception as e:
if raise_on_error:
raise
LOG.exception(_("Error during %(full_task_name)s: %(e)s"), {
"full_task_name": full_task_name,
"e": e
})
time.sleep(0)
return idle_for
def process_delete(context, gid, pid):
session = get_session()
process_ref = session.query(models.Process). \
filter_by(deleted=0). \
filter_by(gid=gid). \
filter_by(pid=pid). \
first()
if process_ref is None:
raise exception.ProcessNotFound(pid=pid)
process_ref.update({"deleted": 1,
'deleted_at': timeutils.utcnow(),
"status": "DELETING"})
process_ref.save(session)
return _get_process_dict(process_ref)
def is_up(self, service_ref):
"""Moved from rack.utils
Check whether a service is up based on last heartbeat.
"""
last_heartbeat = service_ref['updated_at'] or service_ref['created_at']
if isinstance(last_heartbeat, six.string_types):
last_heartbeat = timeutils.parse_strtime(last_heartbeat)
else:
last_heartbeat = last_heartbeat.replace(tzinfo=None)
elapsed = timeutils.delta_seconds(last_heartbeat, timeutils.utcnow())
is_up = abs(elapsed) <= self.service_down_time
if not is_up:
msg = _('Seems service is down. Last heartbeat was %(lhb)s. '
'Elapsed time is %(el)s')
LOG.debug(msg, {'lhb': str(last_heartbeat), 'el': str(elapsed)})
return is_up
def securitygroup_delete(context, gid, securitygroup_id):
session = get_session()
securitygroup_ref = session.query(models.Securitygroup). \
filter_by(deleted=0). \
filter_by(gid=gid). \
filter_by(securitygroup_id=securitygroup_id). \
first()
if securitygroup_ref is None:
raise exception.SecuritygroupNotFound(
securitygroup_id=securitygroup_id)
securitygroup_ref.update({"deleted": 1,
'deleted_at': timeutils.utcnow(),
"status": "DELETING"})
securitygroup_ref.save(session)
return dict(securitygroup_ref)
def group_delete(context, gid):
session = get_session()
group_ref = session.query(models.Group)\
.filter_by(deleted=0)\
.filter_by(gid=gid)\
.first()
if group_ref is None:
raise exception.GroupNotFound(gid=gid)
values = {
"status": "DELETING",
"deleted": 1,
"deleted_at": timeutils.utcnow()
}
group_ref.update(values)
group_ref.save(session)
return dict(group_ref)
def process_delete(context, gid, pid):
session = get_session()
process_ref = session.query(models.Process). \
filter_by(deleted=0). \
filter_by(gid=gid). \
filter_by(pid=pid). \
first()
if process_ref is None:
raise exception.ProcessNotFound(pid=pid)
process_ref.update({
"deleted": 1,
'deleted_at': timeutils.utcnow(),
"status": "DELETING"
})
process_ref.save(session)
return _get_process_dict(process_ref)
def group_delete(context, gid):
session = get_session()
group_ref = session.query(models.Group)\
.filter_by(deleted=0)\
.filter_by(gid=gid)\
.first()
if group_ref is None:
raise exception.GroupNotFound(gid=gid)
values = {
"status": "DELETING",
"deleted": 1,
"deleted_at": timeutils.utcnow()
}
group_ref.update(values)
group_ref.save(session)
return dict(group_ref)
def keypair_delete(context, gid, keypair_id):
session = get_session()
keypair_ref = session.query(models.Keypair)\
.filter_by(gid=gid)\
.filter_by(keypair_id=keypair_id)\
.filter_by(deleted=0)\
.first()
if keypair_ref is None:
raise exception.KeypairNotFound(keypair_id=keypair_id)
values = {
"status": "DELETING",
"deleted": 1,
"deleted_at": timeutils.utcnow()
}
keypair_ref.update(values)
keypair_ref.save(session)
return dict(keypair_ref)
def keypair_delete(context, gid, keypair_id):
session = get_session()
keypair_ref = session.query(models.Keypair)\
.filter_by(gid=gid)\
.filter_by(keypair_id=keypair_id)\
.filter_by(deleted=0)\
.first()
if keypair_ref is None:
raise exception.KeypairNotFound(keypair_id=keypair_id)
values = {
"status": "DELETING",
"deleted": 1,
"deleted_at": timeutils.utcnow()
}
keypair_ref.update(values)
keypair_ref.save(session)
return dict(keypair_ref)
def securitygroup_delete(context, gid, securitygroup_id):
session = get_session()
securitygroup_ref = session.query(models.Securitygroup). \
filter_by(deleted=0). \
filter_by(gid=gid). \
filter_by(securitygroup_id=securitygroup_id). \
first()
if securitygroup_ref is None:
raise exception.SecuritygroupNotFound(
securitygroup_id=securitygroup_id)
securitygroup_ref.update({
"deleted": 1,
'deleted_at': timeutils.utcnow(),
"status": "DELETING"
})
securitygroup_ref.save(session)
return dict(securitygroup_ref)
def decorator(f):
# Test for old style invocation
if "ticks_between_runs" in kwargs:
raise InvalidPeriodicTaskArg(arg="ticks_between_runs")
# Control if run at all
f._periodic_task = True
f._periodic_external_ok = kwargs.pop("external_process_ok", False)
if f._periodic_external_ok and not CONF.run_external_periodic_tasks:
f._periodic_enabled = False
else:
f._periodic_enabled = kwargs.pop("enabled", True)
# Control frequency
f._periodic_spacing = kwargs.pop("spacing", 0)
f._periodic_immediate = kwargs.pop("run_immediately", False)
if f._periodic_immediate:
f._periodic_last_run = None
else:
f._periodic_last_run = timeutils.utcnow()
return f
def decorator(f):
# Test for old style invocation
if 'ticks_between_runs' in kwargs:
raise InvalidPeriodicTaskArg(arg='ticks_between_runs')
# Control if run at all
f._periodic_task = True
f._periodic_external_ok = kwargs.pop('external_process_ok', False)
if f._periodic_external_ok and not CONF.run_external_periodic_tasks:
f._periodic_enabled = False
else:
f._periodic_enabled = kwargs.pop('enabled', True)
# Control frequency
f._periodic_spacing = kwargs.pop('spacing', 0)
f._periodic_immediate = kwargs.pop('run_immediately', False)
if f._periodic_immediate:
f._periodic_last_run = None
else:
f._periodic_last_run = timeutils.utcnow()
return f
def drop_old_duplicate_entries_from_table(migrate_engine, table_name,
use_soft_delete, *uc_column_names):
"""This method is used to drop all old rows that have the same values for
columns in uc_columns.
"""
meta = MetaData()
meta.bind = migrate_engine
table = Table(table_name, meta, autoload=True)
columns_for_group_by = [table.c[name] for name in uc_column_names]
columns_for_select = [func.max(table.c.id)]
columns_for_select.extend(list(columns_for_group_by))
duplicated_rows_select = select(columns_for_select,
group_by=columns_for_group_by,
having=func.count(table.c.id) > 1)
for row in migrate_engine.execute(duplicated_rows_select):
# NOTE(boris-42): Do not remove row that has the biggest ID.
delete_condition = table.c.id != row[0]
for name in uc_column_names:
delete_condition &= table.c[name] == row[name]
rows_to_delete_select = select([table.c.id]).where(delete_condition)
for row in migrate_engine.execute(rows_to_delete_select).fetchall():
LOG.info(_("Deleted duplicated row with id: %(id)s from table: "
"%(table)s") % dict(id=row[0], table=table_name))
if use_soft_delete:
delete_statement = table.update().\
where(delete_condition).\
values({
'deleted': literal_column('id'),
'updated_at': literal_column('updated_at'),
'deleted_at': timeutils.utcnow()
})
else:
delete_statement = table.delete().where(delete_condition)
migrate_engine.execute(delete_statement)
def _report_state(self, service):
"""Update the state of this service in the datastore."""
context.get_admin_context()
try:
key = "%(topic)s:%(host)s" % service.service_ref
# memcached has data expiration time capability.
# set(..., time=CONF.service_down_time) uses it and
# reduces key-deleting code.
self.mc.set(str(key),
timeutils.utcnow(),
time=CONF.service_down_time)
# TODO(termie): make this pattern be more elegant.
if getattr(service, 'model_disconnected', False):
service.model_disconnected = False
LOG.error(_('Recovered model server connection!'))
# TODO(vish): this should probably only catch connection errors
except Exception: # pylint: disable=W0702
if not getattr(service, 'model_disconnected', False):
service.model_disconnected = True
LOG.exception(_('model server went away'))
def last_completed_audit_period(unit=None, before=None):
"""This method gives you the most recently *completed* audit period.
arguments:
units: string, one of 'hour', 'day', 'month', 'year'
Periods normally begin at the beginning (UTC) of the
period unit (So a 'day' period begins at midnight UTC,
a 'month' unit on the 1st, a 'year' on Jan, 1)
unit string may be appended with an optional offset
like so: 'day@18' This will begin the period at 18:00
UTC. 'month@15' starts a monthly period on the 15th,
and year@3 begins a yearly one on March 1st.
before: Give the audit period most recently completed before
<timestamp>. Defaults to now.
returns: 2 tuple of datetimes (begin, end)
The begin timestamp of this audit period is the same as the
end of the previous.
"""
if not unit:
unit = CONF.instance_usage_audit_period
offset = 0
if '@' in unit:
unit, offset = unit.split("@", 1)
offset = int(offset)
if before is not None:
rightnow = before
else:
rightnow = timeutils.utcnow()
if unit not in ('month', 'day', 'year', 'hour'):
raise ValueError('Time period must be hour, day, month or year')
if unit == 'month':
if offset == 0:
offset = 1
end = datetime.datetime(day=offset,
month=rightnow.month,
year=rightnow.year)
if end >= rightnow:
year = rightnow.year
if 1 >= rightnow.month:
year -= 1
month = 12 + (rightnow.month - 1)
else:
month = rightnow.month - 1
end = datetime.datetime(day=offset,
month=month,
year=year)
year = end.year
if 1 >= end.month:
year -= 1
month = 12 + (end.month - 1)
else:
month = end.month - 1
begin = datetime.datetime(day=offset, month=month, year=year)
elif unit == 'year':
if offset == 0:
offset = 1
end = datetime.datetime(day=1, month=offset, year=rightnow.year)
if end >= rightnow:
end = datetime.datetime(day=1,
month=offset,
year=rightnow.year - 1)
begin = datetime.datetime(day=1,
month=offset,
year=rightnow.year - 2)
else:
begin = datetime.datetime(day=1,
month=offset,
year=rightnow.year - 1)
elif unit == 'day':
end = datetime.datetime(hour=offset,
day=rightnow.day,
month=rightnow.month,
year=rightnow.year)
if end >= rightnow:
end = end - datetime.timedelta(days=1)
begin = end - datetime.timedelta(days=1)
elif unit == 'hour':
end = rightnow.replace(minute=offset, second=0, microsecond=0)
if end >= rightnow:
end = end - datetime.timedelta(hours=1)
begin = end - datetime.timedelta(hours=1)
return (begin, end)
def soft_delete(self, session):
"""Mark this object as deleted."""
self.deleted = self.id
self.deleted_at = timeutils.utcnow()
self.save(session=session)
def __init__(self,
user_id,
project_id,
is_admin=None,
read_deleted="no",
roles=None,
remote_address=None,
timestamp=None,
request_id=None,
auth_token=None,
overwrite=True,
quota_class=None,
user_name=None,
project_name=None,
service_catalog=None,
instance_lock_checked=False,
**kwargs):
""":param read_deleted: 'no' indicates deleted records are hidden,
'yes' indicates deleted records are visible,
'only' indicates that *only* deleted records are visible.
:param overwrite: Set to False to ensure that the greenthread local
copy of the index is not overwritten.
:param kwargs: Extra arguments that might be present, but we ignore
because they possibly came in from older rpc messages.
"""
if kwargs:
LOG.warn(
_('Arguments dropped when creating context: %s') % str(kwargs))
self.user_id = user_id
self.project_id = project_id
self.roles = roles or []
self.read_deleted = read_deleted
self.remote_address = remote_address
if not timestamp:
timestamp = timeutils.utcnow()
if isinstance(timestamp, six.string_types):
timestamp = timeutils.parse_strtime(timestamp)
self.timestamp = timestamp
if not request_id:
request_id = generate_request_id()
self.request_id = request_id
self.auth_token = auth_token
if service_catalog:
# Only include required parts of service_catalog
self.service_catalog = [
s for s in service_catalog
if s.get('type') in ('identity', 'image', 'network', 'compute')
]
else:
# if list is empty or none
self.service_catalog = []
self.instance_lock_checked = instance_lock_checked
# NOTE(markmc): this attribute is currently only used by the
# rs_limits turnstile pre-processor.
# See https://lists.launchpad.net/openstack/msg12200.html
self.quota_class = quota_class
self.user_name = user_name
self.project_name = project_name
self.is_admin = is_admin
if self.is_admin is None:
self.is_admin = policy.check_is_admin(self)
if overwrite or not hasattr(local.store, 'context'):
self.update_store()
def soft_delete(self, synchronize_session='evaluate'):
return self.update({'deleted': literal_column('id'),
'updated_at': literal_column('updated_at'),
'deleted_at': timeutils.utcnow()},
synchronize_session=synchronize_session)
def __init__(
self,
user_id,
project_id,
is_admin=None,
read_deleted="no",
roles=None,
remote_address=None,
timestamp=None,
request_id=None,
auth_token=None,
overwrite=True,
quota_class=None,
user_name=None,
project_name=None,
service_catalog=None,
instance_lock_checked=False,
**kwargs
):
""":param read_deleted: 'no' indicates deleted records are hidden,
'yes' indicates deleted records are visible,
'only' indicates that *only* deleted records are visible.
:param overwrite: Set to False to ensure that the greenthread local
copy of the index is not overwritten.
:param kwargs: Extra arguments that might be present, but we ignore
because they possibly came in from older rpc messages.
"""
if kwargs:
LOG.warn(_("Arguments dropped when creating context: %s") % str(kwargs))
self.user_id = user_id
self.project_id = project_id
self.roles = roles or []
self.read_deleted = read_deleted
self.remote_address = remote_address
if not timestamp:
timestamp = timeutils.utcnow()
if isinstance(timestamp, six.string_types):
timestamp = timeutils.parse_strtime(timestamp)
self.timestamp = timestamp
if not request_id:
request_id = generate_request_id()
self.request_id = request_id
self.auth_token = auth_token
if service_catalog:
# Only include required parts of service_catalog
self.service_catalog = [
s for s in service_catalog if s.get("type") in ("identity", "image", "network", "compute")
]
else:
# if list is empty or none
self.service_catalog = []
self.instance_lock_checked = instance_lock_checked
# NOTE(markmc): this attribute is currently only used by the
# rs_limits turnstile pre-processor.
# See https://lists.launchpad.net/openstack/msg12200.html
self.quota_class = quota_class
self.user_name = user_name
self.project_name = project_name
self.is_admin = is_admin
if self.is_admin is None:
self.is_admin = policy.check_is_admin(self)
if overwrite or not hasattr(local.store, "context"):
self.update_store()
def last_completed_audit_period(unit=None, before=None):
"""This method gives you the most recently *completed* audit period.
arguments:
units: string, one of 'hour', 'day', 'month', 'year'
Periods normally begin at the beginning (UTC) of the
period unit (So a 'day' period begins at midnight UTC,
a 'month' unit on the 1st, a 'year' on Jan, 1)
unit string may be appended with an optional offset
like so: 'day@18' This will begin the period at 18:00
UTC. 'month@15' starts a monthly period on the 15th,
and year@3 begins a yearly one on March 1st.
before: Give the audit period most recently completed before
<timestamp>. Defaults to now.
returns: 2 tuple of datetimes (begin, end)
The begin timestamp of this audit period is the same as the
end of the previous.
"""
if not unit:
unit = CONF.instance_usage_audit_period
offset = 0
if '@' in unit:
unit, offset = unit.split("@", 1)
offset = int(offset)
if before is not None:
rightnow = before
else:
rightnow = timeutils.utcnow()
if unit not in ('month', 'day', 'year', 'hour'):
raise ValueError('Time period must be hour, day, month or year')
if unit == 'month':
if offset == 0:
offset = 1
end = datetime.datetime(day=offset,
month=rightnow.month,
year=rightnow.year)
if end >= rightnow:
year = rightnow.year
if 1 >= rightnow.month:
year -= 1
month = 12 + (rightnow.month - 1)
else:
month = rightnow.month - 1
end = datetime.datetime(day=offset, month=month, year=year)
year = end.year
if 1 >= end.month:
year -= 1
month = 12 + (end.month - 1)
else:
month = end.month - 1
begin = datetime.datetime(day=offset, month=month, year=year)
elif unit == 'year':
if offset == 0:
offset = 1
end = datetime.datetime(day=1, month=offset, year=rightnow.year)
if end >= rightnow:
end = datetime.datetime(day=1,
month=offset,
year=rightnow.year - 1)
begin = datetime.datetime(day=1,
month=offset,
year=rightnow.year - 2)
else:
begin = datetime.datetime(day=1,
month=offset,
year=rightnow.year - 1)
elif unit == 'day':
end = datetime.datetime(hour=offset,
day=rightnow.day,
month=rightnow.month,
year=rightnow.year)
if end >= rightnow:
end = end - datetime.timedelta(days=1)
begin = end - datetime.timedelta(days=1)
elif unit == 'hour':
end = rightnow.replace(minute=offset, second=0, microsecond=0)
if end >= rightnow:
end = end - datetime.timedelta(hours=1)
begin = end - datetime.timedelta(hours=1)
return (begin, end)
class TimestampMixin(object):
created_at = Column(DateTime, default=lambda: timeutils.utcnow())
updated_at = Column(DateTime, onupdate=lambda: timeutils.utcnow())
