from prettytable import PrettyTable
import re
from threading import Event, Lock
-from typing import Any, Callable, Dict, Optional, Tuple, TypeVar
+from typing import cast, Any, Callable, DefaultDict, Dict, Iterable, List, Optional, Tuple, TypeVar,\
+ Union, TYPE_CHECKING
+
DATEFMT = '%Y-%m-%dT%H:%M:%S.%f'
OLD_DATEFMT = '%Y-%m-%d %H:%M:%S.%f'
return cast(FuncT, wrapper)
+CrashT = Dict[str, Union[str, List[str]]]
+
+
class Module(MgrModule):
MODULE_OPTIONS = [
Option(
runtime=True),
]
- def __init__(self, *args, **kwargs):
+ def __init__(self, *args: Any, **kwargs: Any) -> None:
super(Module, self).__init__(*args, **kwargs)
- self.crashes = None
+ self.crashes: Optional[Dict[str, CrashT]] = None
self.crashes_lock = Lock()
self.run = True
self.event = Event()
+ if TYPE_CHECKING:
+ self.warn_recent_interval = 0.0
+ self.retain_interval = 0.0
- def shutdown(self):
+ def shutdown(self) -> None:
self.run = False
self.event.set()
- def serve(self):
+ def serve(self) -> None:
self.config_notify()
while self.run:
with self.crashes_lock:
self.event.wait(wait)
self.event.clear()
- def config_notify(self):
+ def config_notify(self) -> None:
for opt in self.MODULE_OPTIONS:
setattr(self,
opt['name'],
self.log.debug(' mgr option %s = %s',
opt['name'], getattr(self, opt['name']))
- def _load_crashes(self):
+ def _load_crashes(self) -> None:
raw = self.get_store_prefix('crash/')
self.crashes = {k[6:]: json.loads(m) for (k, m) in raw.items()}
- def _refresh_health_checks(self):
+ def _refresh_health_checks(self) -> None:
if not self.crashes:
self._load_crashes()
+ assert self.crashes is not None
cutoff = datetime.datetime.utcnow() - datetime.timedelta(
seconds=self.warn_recent_interval)
recent = {
crashid: crash for crashid, crash in self.crashes.items()
- if self.time_from_string(crash['timestamp']) > cutoff and 'archived' not in crash
+ if (self.time_from_string(cast(str, crash['timestamp'])) > cutoff and
+ 'archived' not in crash)
}
num = len(recent)
- health_checks = {}
+ health_checks: Dict[str, Dict[str, Union[int, str, List[str]]]] = {}
if recent:
detail = [
'%s crashed on host %s at %s' % (
}
self.set_health_checks(health_checks)
- def time_from_string(self, timestr):
+ def time_from_string(self, timestr: str) -> datetime.datetime:
# drop the 'Z' timezone indication, it's always UTC
timestr = timestr.rstrip('Z')
try:
except ValueError:
return datetime.datetime.strptime(timestr, OLD_DATEFMT)
- def validate_crash_metadata(self, inbuf):
+ def validate_crash_metadata(self, inbuf: str) -> Dict[str, Union[str, List[str]]]:
# raise any exceptions to caller
metadata = json.loads(inbuf)
for f in ['crash_id', 'timestamp']:
if f not in metadata:
raise AttributeError("missing '%s' field" % f)
- time = self.time_from_string(metadata['timestamp'])
+ _ = self.time_from_string(metadata['timestamp'])
return metadata
- def timestamp_filter(self, f):
+ def timestamp_filter(self, f: Callable[[datetime.datetime], bool]) -> Iterable[Tuple[str, CrashT]]:
"""
Filter crash reports by timestamp.
:param f: f(time) return true to keep crash report
:returns: crash reports for which f(time) returns true
"""
- def inner(pair):
+ def inner(pair: Tuple[str, CrashT]) -> bool:
_, crash = pair
- time = self.time_from_string(crash["timestamp"])
+ time = self.time_from_string(cast(str, crash["timestamp"]))
return f(time)
+ assert self.crashes is not None
return filter(inner, self.crashes.items())
# stack signature helpers
- def sanitize_backtrace(self, bt):
+ def sanitize_backtrace(self, bt: List[str]) -> List[str]:
ret = list()
for func_record in bt:
# split into two fields on last space, take the first one,
ASSERT_MATCHEXPR = re.compile(r'(?s)(.*) thread .* time .*(: .*)\n')
- def sanitize_assert_msg(self, msg):
+ def sanitize_assert_msg(self, msg: str) -> str:
# (?s) allows matching newline. get everything up to "thread" and
# then after-and-including the last colon-space. This skips the
# thread id, timestamp, and file:lineno, because file is already in
# the beginning, and lineno may vary.
- return ''.join(self.ASSERT_MATCHEXPR.match(msg).groups())
+ matched = self.ASSERT_MATCHEXPR.match(msg)
+ assert matched
+ return ''.join(matched.groups())
- def calc_sig(self, bt, assert_msg):
+ def calc_sig(self, bt: List[str], assert_msg: Optional[str]) -> str:
sig = hashlib.sha256()
for func in self.sanitize_backtrace(bt):
sig.update(func.encode())
show crash dump metadata
"""
crashid = id
+ assert self.crashes is not None
crash = self.crashes.get(crashid)
if not crash:
return errno.EINVAL, '', 'crash info: %s not found' % crashid
except Exception as e:
return errno.EINVAL, '', 'malformed crash metadata: %s' % e
if 'backtrace' in metadata:
- metadata['stack_sig'] = self.calc_sig(
- metadata.get('backtrace'), metadata.get('assert_msg'))
- crashid = metadata['crash_id']
-
+ backtrace = cast(List[str], metadata.get('backtrace'))
+ assert_msg = cast(Optional[str], metadata.get('assert_msg'))
+ metadata['stack_sig'] = self.calc_sig(backtrace, assert_msg)
+ crashid = cast(str, metadata['crash_id'])
+ assert self.crashes is not None
if crashid not in self.crashes:
self.crashes[crashid] = metadata
key = 'crash/%s' % crashid
self._refresh_health_checks()
return 0, '', ''
- def ls(self):
+ def ls(self) -> Tuple[int, str, str]:
if not self.crashes:
self._load_crashes()
return self.do_ls_all('')
- def _do_ls(self, t: Dict[str, str], format: Optional[str]) -> Tuple[int, str, str]:
- r = sorted(t, key=lambda i: i.get('crash_id'))
+ def _do_ls(self, t: Iterable[CrashT], format: Optional[str]) -> Tuple[int, str, str]:
+ r = sorted(t, key=lambda i: i['crash_id'])
if format in ('json', 'json-pretty'):
return 0, json.dumps(r, indent=4, sort_keys=True), ''
else:
"""
Show new and archived crash dumps
"""
+ assert self.crashes is not None
return self._do_ls(self.crashes.values(), format)
@CLIReadCommand('crash ls-new')
"""
Show new crash dumps
"""
+ assert self.crashes is not None
t = [crash for crashid, crash in self.crashes.items()
if 'archived' not in crash]
return self._do_ls(t, format)
Remove a saved crash <id>
"""
crashid = id
+ assert self.crashes is not None
if crashid in self.crashes:
del self.crashes[crashid]
key = 'crash/%s' % crashid
self._prune(keep * 60*60*24)
return 0, '', ''
- def _prune(self, seconds):
+ def _prune(self, seconds: float) -> None:
now = datetime.datetime.utcnow()
cutoff = now - datetime.timedelta(seconds=seconds)
removed_any = False
# make a copy of the list, since we'll modify self.crashes below
to_prune = list(self.timestamp_filter(lambda ts: ts <= cutoff))
+ assert self.crashes is not None
for crashid, crash in to_prune:
del self.crashes[crashid]
key = 'crash/%s' % crashid
Acknowledge a crash and silence health warning(s)
"""
crashid = id
+ assert self.crashes is not None
crash = self.crashes.get(crashid)
if not crash:
return errno.EINVAL, '', 'crash info: %s not found' % crashid
"""
Acknowledge all new crashes and silence health warning(s)
"""
+ assert self.crashes is not None
for crashid, crash in self.crashes.items():
if not crash.get('archived'):
crash['archived'] = str(datetime.datetime.utcnow())
Summarize recorded crashes
"""
# age in days for reporting, ordered smallest first
- bins = [1, 3, 7]
+ AGE_IN_DAYS = [1, 3, 7]
retlines = list()
- def binstr(bindict):
+ BinnedStatsT = Dict[str, Union[int, datetime.datetime, List[str]]]
+
+ def binstr(bindict: BinnedStatsT) -> str:
binlines = list()
- count = len(bindict['idlist'])
+ id_list = cast(List[str], bindict['idlist'])
+ count = len(id_list)
if count:
binlines.append(
'%d older than %s days old:' % (count, bindict['age'])
)
- for crashid in bindict['idlist']:
+ for crashid in id_list:
binlines.append(crashid)
return '\n'.join(binlines)
total = 0
now = datetime.datetime.utcnow()
- for i, age in enumerate(bins):
+ bins: List[BinnedStatsT] = []
+ for age in AGE_IN_DAYS:
agelimit = now - datetime.timedelta(days=age)
- bins[i] = {
+ bins.append({
'age': age,
'agelimit': agelimit,
'idlist': list()
- }
+ })
+ assert self.crashes is not None
for crashid, crash in self.crashes.items():
total += 1
- stamp = self.time_from_string(crash['timestamp'])
- for i, bindict in enumerate(bins):
- if stamp <= bindict['agelimit']:
- bindict['idlist'].append(crashid)
+ stamp = self.time_from_string(cast(str, crash['timestamp']))
+ for bindict in bins:
+ if stamp <= cast(datetime.datetime, bindict['agelimit']):
+ cast(List[str], bindict['idlist']).append(crashid)
# don't count this one again
continue
Crashes in the last <hours> hours
"""
# Return a machine readable summary of recent crashes.
- report = defaultdict(lambda: 0)
+ report: DefaultDict[str, int] = defaultdict(lambda: 0)
+ assert self.crashes is not None
for crashid, crash in self.crashes.items():
- pname = crash.get("process_name", "unknown")
+ pname = cast(str, crash.get("process_name", "unknown"))
if not pname:
pname = "unknown"
report[pname] += 1
return 0, '', json.dumps(report, sort_keys=True)
- def self_test(self):
+ def self_test(self) -> None:
# test time conversion
timestr = '2018-06-22T20:35:38.058818Z'
old_timestr = '2018-06-22 20:35:38.058818Z'
projects / ceph-ci.git / commitdiff