The asyncio rework mistakenly follows up a long waiting acquire with blanking and starting over.
Now use 'True' as a sentinel value to trigger a fetch, otherwise, assume srp is ripe for processing.
Immediately discard srp after unpack and replace with sentinal value.
Fifteen error kinds beyond the two async ones report nothing on this tree
today and have something in it to bite on, so turning them on costs no
findings and keeps it that way.
invalid-syntax is the one that closes a gap rather than covering ground
another check already holds: CI compiles under a modern interpreter, which
accepts syntax the el8 and sles15 interpreters cannot parse. Checking
against python-version rejects it instead, which makes that setting load
bearing for the first time.
Kinds whose subject matter this tree does not contain stay off, among them
everything reached only through typing: the module is never imported, so
TypeVar and namedtuple naming and stale `# type: ignore` have nothing to
find here.
Every rule added here is at zero once the previous commit lands, so it costs
no cleanup: the point is that a future patch cannot introduce one without the
ruff job failing. They are the rest of pyflakes' format-string checks,
flake8-2020, most of bugbear, the pylint warnings that describe bugs rather
than style, four flake8-async rules for blocking calls in coroutines, and
some RUF, LOG, PGH, PIE, ISC and EXE rules in the same spirit. Each was
confirmed to fire on a synthetic violation, so none is silently inert under
the py37 target.
Rules are named by group wherever the group is already clean, and each prefix
stops short of a rule that is not: PLW150 rather than PLW15, which would pull
in PLW1510. Bugbear is listed rule by rule apart from B02 and B03, since
B006, B007 and B018 are all left out on purpose.
bin/confluentsrv.py is a python2 script that setup.py never lists in
scripts, so no package has ever installed it, and both the systemd unit and
the sysvinit script start bin/confluent instead. It had also drifted out of
step with what it calls: main.run takes the argument vector and this passed
none.
confluentsrv.spec goes with it. It is a PyInstaller spec whose only input
is c:/Python27/Scripts/confluentsrv.py, a path that has never existed in
this tree, left over from the Windows compatibility work.
WebConnection requires a port, and every other caller passes one, twice in
this very file. Following a relay URL during discovery raised TypeError
instead.
Four calls reached a base method with an argument list it does not accept,
so they raised TypeError about the argument count.
Three of them would have failed either way, since the base only raises
UnsupportedFunctionality. What changes there is that the failure becomes
the intended, catchable one rather than an argument count error the caller
cannot interpret. get_diagnostic_data grew an autosuffix argument
everywhere except the ipmi generic handler, which is the handler used for
unrecognized hardware. The redfish generic handler already had it. The two
storage super() calls dropped the cfgspec they were given.
The fourth is a real fallback rather than a message: the XCC user_delete
dropped the fishclient it receives from redfish/command.py, so deleting a
uid the XCC does not list raised TypeError instead of attempting the
generic Redfish delete.
ConfluentTargetNotFound takes the node as its first argument, and every
other caller passes it. The two inventory plugins constructed it with no
arguments at all, so asking for a component that is not in the inventory
map raised TypeError instead of returning the 404 the path was written to
return.
Both now follow the pattern used a few lines further down for volumes and
name the component that was not found.
The retry around the firmware progress poll named socket.socket, which is not
an exception class, so the moment the request it guards actually failed Python
raised "catching classes that do not inherit from BaseException is not
allowed" in place of the error.
socket.error is OSError, which is what a failed poll raises and what the retry
below was written for.
The loop resolver takes only host and port positionally, so these three calls
raised "BaseEventLoop.getaddrinfo() takes 3 positional arguments but 5 were
given" every time they ran.
get_ipaddr and _find_service have no handler above them, so link local XCC
discovery and a targeted SSDP search both died outright. The snoop copy sits
under an except Exception, which swallowed it and left the MGTIFACE reply
unanswered instead.
Each is the only thing keeping its rule group from being selectable whole.
userutil.py imported ctypes with a star; the names it uses are POINTER,
byref, c_char_p, c_int, c_int32, c_uint and cdll. The oem lookup loop had an
else with no break, so the else always ran. The alert parameter table wrapped
int in a lambda that only forwards to it. And the watchdog interval passed 0
where os.environ.get documents a string, which worked because int(0) is 0.
get_sensor_names and get_sensor_descriptions reach get_psu_count for any
sensor whose table entry carries elementsfun, and get_psu_count is a
coroutine. As plain generators they could not await it, so range() was handed
the coroutine object and enumeration died with "'coroutine' object cannot be
interpreted as an integer".
Every DW612S has such entries, so nodesensors returned nothing for the
enclosure. get_sensor_descriptions was doubly broken: the Lenovo handler
already iterated it with async for, which a plain generator cannot satisfy.
Verified against a DW612S SMM (FPC variant 38). Before, descriptions raised at
the async for and readings raised partway through enumeration; after, both
return all 34 sensors, 19 of which are the PSU entries that never enumerated.
RUF006 catches a create_task whose result is discarded. The loop holds only a
weak reference, so such a task can be collected while still pending and the
work disappears without a trace.
Selected last, once the three existing offenders are gone, so the tree stays
clean under it from this commit on.
run_handler scheduled the coroutine that serves an async HTTP request and
dropped the returned task. The event loop only keeps a weak reference, so the
task could be collected while still pending, leaving the request unanswered
and "Task was destroyed but it is pending!" in the log.
The session already outlives the request in _asyncsessions, so it holds the
task in a set and discards it from a done callback.
nodeconsole spawned a task per input byte from the stdin reader callback
and kept no reference to it. Two of those tasks overlap as soon as one
parks in relay_keypresses waiting on the VNC connection, so keystrokes
can reach the node out of order and the escape sequence state (buffer,
inputcontext, modkeys) is mutated by more than one task at a time. With
the first keystroke relaying slowly, typing abcdef arrives as bcdefa.
Those tasks were also unreferenced, which asyncio documents as
collectable while still pending, so a keypress could be dropped.
Queue the bytes in the reader callback and process them from one
long-lived task instead. Keep a reference to the watch_input task as
well, since collecting that one takes the whole input handler with it.
local_node_trust_setup() called get_cluster_list() and sign_host_key() without
awaiting them, so "osdeploy initialize -l" aborted with "TypeError: cannot
unpack non-iterable coroutine object" before doing any work.
Both awaits have to land together: sign_host_key() is called in a loop that
unlinks the existing ssh_host_*_key-cert.pub before writing the new one, so
fixing only the unpack would delete every host certificate and then fail.
If someone wants to seal to a PCR
explicitly to prevent booting rescue, the PCR is likely to
extend differently during install.
Leave the volume sealed to the tpm without any PCRs until first boot.
Then wipe the bindings without PCR specified, and seal according to user preferred values.
It has been observed there are times where an ethernet switch is partially working with MLD snoop/IGMP snoop. A workaround for the unreliable behavior seems to be to reassert multicast joins ever so often.
Give it a try to restart the SSDP sockets every minute.
The tree is clean under it now, so the job can fail the run and catch the next
async regression instead of only reporting one.
Nothing is suppressed beyond the two ignores that state their reason at the
line, for an async __new__ and an untyped callback registry, neither of which
pyrefly can model.
The plugin was written against the http.client based SecureHTTPConnection, and
when that went away the reference was pointed at the aiohttp WebConnection,
which shares the name and nothing else. Nothing in it could run: the transport
called an async request() without awaiting it and then reached for a
getresponse() the new class does not have, and three PDUClient methods that
were never coroutines were awaited by the entry points.
Two transports now, both local to this plugin. https is aiohttp and stays on
the event loop, since the cert verifier records new fingerprints through
tasks.spawn. http is http.client in a thread, with its own socket so it can
still ask for a smaller segment size before connect: aiohttp only takes a
socket factory from 3.12 on, newer than el9, el10, ubuntu 24.04 or Leap 16
ship. That side has no cert to verify and its credentials arrive already read,
so the thread touches nothing.
connect() establishes and authenticates, wc is just the accessor now, and
logout() no longer sends a session id it never obtained. update() reports an
unsupported element instead of raising NameError.
On the https side cookies follow aiohttp's domain rules and the one POST with
a body goes out as text/plain, where http.client replayed every cookie and
sent no content type. The http side is as before, and neither can be settled
without an Eaton PDU on the bench. Both transports were exercised against a
stand-in: login, outlet read and set, sensors, logout, and a clamped segment
size on the plaintext path.
virEventRunDefaultImpl waits for an event that an idle domain need not
produce, so the thread could outlive a deactivation that reported success, and
every later activation was refused while it did. Registering a timeout is what
makes it return: measured, a thread with nothing registered was still running
four seconds after being asked to stop, and with a half second timer it came
out at once.
Deactivation dropped its reference once the wait expired, whether or not the
thread had stopped, so the next activation started a second one and revived
the first by setting run_console again. The reference is cleared only when the
thread is really gone, and activation refuses with 0x80 while one is alive.
That makes the wait a courtesy rather than a correctness measure, so it drops
to a second.
Activation started an event thread whichever way the base handler had just
answered, so a refusal started one anyway and an already active console got a
second. activated alone cannot tell the two refusals apart, being true
already on the already active path, so the value from before the call decides.
Deactivation joined that thread on the event loop, where it could stall every
other session and its own response. The wait moves off the loop and is
bounded, and the thread is a daemon.
The console awaits its output handler, but both sample BMCs supplied a plain
function, and both dropped the send_data coroutine. virshbmc additionally
receives its stream callback on a libvirt thread, so the send goes through
run_coroutine_threadsafe against the loop captured at activation, called
asyncloop because the class already has a loop method it uses as a thread
target.
ServerConsole asked the session layer to retry, which a ServerSession cannot
do: it never runs Session.__init__, so it has no timeout, and its _timedout
does nothing. IpmiServer.logout was synchronous and an argument short while
_cleanup awaits logout(False). The boot options handler answered, then read an
unbound name and answered again with 0xff.
bmc.py, serversession.py, fakebmc.py and virshbmc.py were byte identical to
upstream pyghmi: the async port went through the session layer beneath them
and left the server side alone. So every response created a coroutine and
dropped it, and the overrides the now async parent awaits returned None.
Running fakebmc bound no socket, spun a core, and answered nothing.
Everything that sends a response is a coroutine now, and so is the dispatch
that reaches it; the hooks a subclass implements stay ordinary functions, so
an out of tree Bmc is unaffected unless it overrides the payload handlers.
Two things had to leave their constructors, both being coroutines: assigning
the server socket, into bind(), which is why listen() is no longer a
classmethod, and answering the open session request, into
send_open_session_response.
Verified against upstream with ipmitool over nine commands, with identical
output. SOL is not covered: fakebmc reports the payload disabled on both.
Housekeeper dates from when this work was a blocking select loop. Under
asyncio the event loop is already that place, and a thread around it takes a
captured loop reference, a scheduling step before the thread starts, and a
daemon flag, only to sit waiting on a coroutine that never returns with no way
to stop it. A task runs on the right loop by construction and cancels. The
loop is looked up before the coroutine is built, so calling this without one
raises rather than stranding it.
Nothing in this tree used the class. Out of tree callers need
start_housekeeping() instead, and gain the ability to stop it.
TsmConsole created an aiohttp ClientSession and never closed it, and leaked it
again when ws_connect failed. Neither was reachable before the connection path
was repaired. It is closed on both paths, and starts as None so that closing
before a connect does not trip over a missing attribute.
A task per read swallowed failures, could deliver keystrokes out of order, and
at end of input returned with the reader still registered, so a level
triggered selector called it again for the same EOF. The reader queues now,
one consumer sends in order, and it is gathered with the main loop so a
failure reaches the caller.
Three faults in the same few lines. The redfish Command lost its constructor
for an async create, so building one raised TypeError, which the except below
reported as TargetEndpointUnreachable. await_redirect is defined nowhere in
this repository's history, so that call raised too; create performs the
session setup it was meant to trigger. And oem is a coroutine method rather
than an attribute, with its web connection coming from get_wc, which is what
performs the login that sets csrftok.
Jarrod Johnson
Jarrod Johnson
Markus Hilger