def _cleanup_active(expiration):
LOG.info('remove pods before: %s', expiration)
with locks.acquiring_exclusive(_get_active_path()):
for pod_dir_path, config in _iter_configs():
pod_id = _get_id(pod_dir_path)
if _get_ref_count(pod_dir_path) > 1:
LOG.debug('pod is still referenced: %s', pod_id)
continue
pod_dir_lock = locks.try_acquire_exclusive(pod_dir_path)
if not pod_dir_lock:
LOG.debug('pod is still active: %s', pod_id)
continue
try:
pod_status = _get_pod_status(pod_dir_path, config)
last_updated = _get_last_updated(pod_status)
if last_updated is None:
# Prevent cleaning up just-prepared pod directory.
last_updated = datetimes.utcfromtimestamp(
_get_config_path(pod_dir_path).stat().st_mtime
)
if last_updated < expiration:
with locks.acquiring_exclusive(_get_graveyard_path()):
LOG.info('clean up pod: %s', pod_id)
_move_pod_dir_to_graveyard(pod_dir_path)
journals.remove_journal_dir(pod_id)
finally:
pod_dir_lock.release()
pod_dir_lock.close()
def test_timestamp_date(self):
dt = datetimes.utcfromtimestamp(7200 + 180 + 4)
self.assertEqual(dt.replace(tzinfo=None),
datetime.datetime(1970, 1, 1, 2, 3, 4))
self.assertEqual(dt.timestamp(), 7200 + 180 + 4)
dt = datetimes.timestamp_date(dt)
self.assertEqual(dt.replace(tzinfo=None),
datetime.datetime(1970, 1, 1, 0, 0, 0))
self.assertEqual(dt.timestamp(), 0)
def get_pod_app_exit_status(root_path, app):
"""Return exit status and the time it was recorded."""
path = _get_pod_app_exit_status_path(root_path, app)
if path.is_file():
return (
int(path.read_text()),
datetimes.utcfromtimestamp(path.stat().st_mtime),
)
else:
return None, None
def _journal_get_timestamp(entry):
timestamp = (entry.get('_SOURCE_REALTIME_TIMESTAMP')
or entry.get('__REALTIME_TIMESTAMP'))
if timestamp is None:
return datetimes.utcnow()
return datetimes.utcfromtimestamp(
times.convert(
times.Units.MICROSECONDS,
times.Units.SECONDS,
int(timestamp),
), )
def test_make_timestamp(self):
dt = datetimes.make_timestamp(1970, 1, 1, 2, 3, 4)
self.assertEqual(dt, datetimes.utcfromtimestamp(7200 + 180 + 4))
self.assertEqual(
dt,
datetime.datetime(1970,
1,
1,
2,
3,
4,
tzinfo=datetime.timezone.utc),
)
def test_parse_collectd_notification(self):
self.assertEqual(
alerts._parse_collectd_notification(\
[
alerts.Config.Rule(
pattern=re.compile(r''),
template=alerts.Config.Rule.Template(
level='{level}',
title='{title}',
description='{raw_message}',
),
)
],
io.StringIO(
'''\
Severity: OKAY
Time: 1234.567
Host: foobar
Plugin: cpu
PluginInstance: 0
Type: cpu
TypeInstance: idle
DataSource: value
CurrentValue: 2.000000e+01
WarningMin: 1.000000e+01
WarningMax: nan
FailureMin: 5.000000e+00
FailureMax: nan
Some message.
Second line of message.
'''
)
),
alerts.Message(
host='foobar',
level=alerts.Message.Levels.GOOD,
title='cpu/0/idle: 20.00 >= 10.00',
description='Some message.\nSecond line of message.\n',
timestamp=datetimes.utcfromtimestamp(1234.567),
),
)
def _parse_collectd_header(header, kwargs, headers):
i = header.find(':')
if i == -1:
LOG.warning('ill-formatted collectd notification header: %s', header)
return
name = header[:i].strip()
value = header[i + 1:].strip()
if name == 'Host':
kwargs['host'] = value
elif name == 'Time':
kwargs['timestamp'] = datetimes.utcfromtimestamp(float(value))
elif name == 'Severity':
level = _COLLECTD_SEVERITY_TABLE.get(value.upper())
if level is None:
LOG.warning('unknown collectd severity: %s', header)
else:
kwargs['level'] = level
elif name in _COLLECTD_KNOWN_HEADERS:
headers[name] = value
else:
LOG.warning('unknown collectd notification header: %s', header)
def test_utcfromtimestamp(self):
zero = datetime.datetime(1970, 1, 1)
dt = datetimes.utcfromtimestamp(0)
self.assertEqual(zero, dt.replace(tzinfo=None))
self.assertEqual(0, dt.timestamp())
def test_parse_journal_entry(self):
self.assertIsNone(
alerts._parse_journal_entry(
[
alerts.Config.Rule(
pattern=re.compile(r'something'),
template=alerts.Config.Rule.Template(
level='ERROR',
title='{title}',
description='{raw_message}',
),
)
],
{'MESSAGE': 'no match'},
'foobar',
'01234567-89ab-cdef-0123-456789abcdef',
))
self.assertIsNone(
alerts._parse_journal_entry(
[
alerts.Config.Rule(
pattern=re.compile(r'something'),
template=None,
)
],
{'MESSAGE': 'this has something'},
'foobar',
'01234567-89ab-cdef-0123-456789abcdef',
))
for message in (
'INFO this has something',
list(b'INFO this has something'),
):
with self.subTest(message):
self.assertEqual(
alerts._parse_journal_entry(
[
alerts.Config.Rule(
pattern=re.compile(
r'(?P<level>INFO) '
r'this (?P<raw_message>.* something)'),
template=alerts.Config.Rule.Template(
level='{level}',
title='{title}',
description='{raw_message}',
),
)
],
{
'SYSLOG_IDENTIFIER': 'spam',
'MESSAGE': message,
'_SOURCE_REALTIME_TIMESTAMP': '1001200200',
},
'foobar',
'01234567-89ab-cdef-0123-456789abcdef',
),
alerts.Message(
host='foobar',
level=alerts.Message.Levels.INFO,
title='spam',
description='has something',
timestamp=datetimes.utcfromtimestamp(1001.2002),
),
)
def _get_last_updated(image_dir_path):
return datetimes.utcfromtimestamp(
_get_metadata_path(image_dir_path).stat().st_mtime
)
def _union_datetime_getter(reader, name):
timestamp = reader[name]
if timestamp is None:
return None
return datetimes.utcfromtimestamp(timestamp)
def _datetime_getter(reader, name):
return datetimes.utcfromtimestamp(reader[name])