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Replace getopt() and hand-rolled-parser with argparse.ArgumentParser.
Fix wrong header comments copy-pasted from domstart.py
Signed-off-by: Philipp Hahn <hahn@univention.de>
"is" compares for "points to the same object", which for strings is the
same as comparing the byte sequence itself as Python hashes each strings
to only stores a unique copy of each string.
> examples/nodestats.py:86:43: F632 use ==/!= to compare constant literals (str, bytes, int, float, tuple)
> examples/nodestats.py:91:12: F632 use ==/!= to compare constant literals (str, bytes, int, float, tuple)
> examples/nodestats.py:94:40: F632 use ==/!= to compare constant literals (str, bytes, int, float, tuple)
Use "==" and "!=" for string comparsion.
Signed-off-by: Philipp Hahn <hahn@univention.de>
None should be compared with "is None" instead of "== None", as the
later would invoke a "__cmp__()" method.
Signed-off-by: Philipp Hahn <hahn@univention.de>
The docs refers to XML files that don't exist in the python binding
since it was split off from the main libvirt.git repo.
Fixes#3
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Fix two more cases in examples as
libvirt.open*() does not return None but raises an exception
Fixes: 283e2bc693
Signed-off-by: Philipp Hahn <hahn@univention.de>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
python2 will be end of life by the time of the next
libvirt release. All our supported build targets, including
CentOS7, have a python3 build available.
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
VIR_DOMAIN_EVENT_ID_IO_ERROR and VIR_DOMAIN_EVENT_ID_IO_ERROR_REASON
callbacks receive the same 'action' parameter, so also translate that
numeric action to a descriptive text for the first callback.
Signed-off-by: Philipp Hahn <hahn@univention.de>
ERROR_EVENTS translates the numeric 'action' argument to a description,
not the 'reason' argument which already contains a descriptive string
like 'enospc'.
> Traceback (most recent call last):
> File "/usr/lib/python2.7/dist-packages/libvirt.py", line 4661, in _dispatchDomainEventIOErrorReasonCallback
> reason, opaque)
> File "libvirt-python/examples/event-test.py", line 536, in myDomainEventIOErrorReasonCallback
> dom.name(), dom.ID(), srcpath, devalias, action, ERROR_EVENTS[reason]))
> File "libvirt-python/examples/event-test.py", line 474, in __getitem__
> data = self.args[item]
> TypeError: tuple indices must be integers, not str
Fixes: f5928c6711
Signed-off-by: Philipp Hahn <hahn@univention.de>
Registering the same function twice using the old domainEventRegister()
interface would not work, as the function reference is used for
un-registering.
But it is not a problem with the new interface domainEventRegisterAny(),
as that returns a unique ID.
While at it also demonstrate the 'opaque' mechanism.
Signed-off-by: Philipp Hahn <hahn@univention.de>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
If libvirtd terminates while event-test.py has an open connection to it,
it will crash with the following traceback:
> myConnectionCloseCallback: qemu:///session: Error
> Exception in thread libvirtEventLoop:
> Traceback (most recent call last):
> File "/usr/lib/python2.7/threading.py", line 801, in __bootstrap_inner
> self.run()
> File "/usr/lib/python2.7/threading.py", line 754, in run
> self.__target(*self.__args, **self.__kwargs)
> File "examples/event-test.py", line 424, in virEventLoopPollRun
> eventLoop.run_loop()
> File "examples/event-test.py", line 242, in run_loop
> self.run_once()
> File "examples/event-test.py", line 187, in run_once
> libvirt.virEventInvokeFreeCallback(opaque)
> AttributeError: 'module' object has no attribute 'virEventInvokeFreeCallback'
>
> libvirt: XML-RPC error : internal error: client socket is closed
> Traceback (most recent call last):
> File "examples/event-test.py", line 872, in <module>
> main()
> File "examples/event-test.py", line 854, in main
> vc.secretEventDeregisterAny(id)
> File "/usr/lib/python2.7/dist-packages/libvirt.py", line 4987, in secretEventDeregisterAny
> if ret == -1: raise libvirtError ('virConnectSecretEventDeregisterAny() failed', conn=self)
> libvirt.libvirtError: internal error: client socket is closed
> Closing qemu:///session
Skip unregistering the event callbacks and closing the connection if the
connection is already broken / closed.
Signed-off-by: Philipp Hahn <hahn@univention.de>
Add new events to prevent crash:
> Traceback (most recent call last):
> File "/usr/lib/python2.7/dist-packages/libvirt.py", line 4601, in _dispatchDomainEventCallbacks
> cb(self, virDomain(self, _obj=dom), event, detail, opaque)
> File "libvirt-python/examples/event-test.py", line 505, in myDomainEventCallback1
> domDetailToString(event, detail)))
> File "libvirt-python/examples/event-test.py", line 484, in domDetailToString
> return domEventStrings[event][detail]
> IndexError: tuple index out of range
Signed-off-by: Philipp Hahn <hahn@univention.de>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1578337
Since libvirt 3.8.0 we have 6 events: defined, undefined,
started, stopped, created, deleted. However, the last two were
missing in a string list that translates libvirt events (int)
into human readable strings.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
