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SupportCache.check_support(SUPPORT_FOOBAR, args) becomes
SupportCache.foobar(args)
And SupportCache absorbs the caching infrastructure from
VirtinstConnection.
For now we add some hackery to hide the API change from callers, but
this will be undone in the next patch
Will take a string of comma separated options which we can use to
tweak app behavior, for testing. Convert the existing --test-* options
to use the same abstraction internally. This will make it easier to
add new test options in the future
Currently we just call libvirt API which will return all CPU models for
specific architecture known to libvirt and we offer all of them to users
in GUI. Let's switch to domain capabilities where we have more details
about these CPUs such as whether each model is usable with current QEMU
binary. If libvirt can detect the usability we will offer only CPU
models that QEMU can actually run.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Cole Robinson <crobinso@redhat.com>
Otherwise if we hit an error in connect.tick, connection can be
automatically closed in the UI, plus other parts of the code
were implicitly depending on this ordering, like VM rename support
Class will work above connection. Right know, it is possible to
provide stats for domains only, but could be expanded.
To retrieve stats, you can use get_vm_stats(vm).
This class uses new virConnectGetAllDomainStats call, which reduces
number of calls needed to poll stats.
Stats are refreshed with every connection tick.
Signed-off-by: Simon Kobyda <skobyda@redhat.com>
(crobinso: squash commits, move statsmanager to its own file,
fix pylint)
This switch says: if we detect a rhel host, use special version
checks that match rhel backports. This pattern sucks. The way
forward is to have libvirt advertise the bits that are supported,
through domcapabilities. Then virt-manager/virtinst can react
as appropriate.
There is a potential race of a backend to be opened and being true on
self._backend.is_open but self._hostinfo not being set yet.
Avoid spurial bugs due to that by also checking against None before
accessing subelements ot self._hostinfo
Signed-off-by: Christian Ehrhardt <christian.ehrhardt@canonical.com>
The copyright headers in every file were chjanged in this previous commit
commit b6dcee8eb7
Author: Cole Robinson <crobinso@redhat.com>
Date: Tue Mar 20 15:00:02 2018 -0400
Use consistent and minimal license header for every file
Where before this they said "
"either version 2 of the License, or (at your option) any later version."
Now they just say
"GNU GPLv2"
This fixes it to say "GNU GPLv2 or later" again.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
This can help us find object leaks within the code. virConnectClose
is just a deference and will return 1 if other references are still
floating around.
A new Python checker was added to warn about using a + operator inside
call of logging methods when one of the operands is a literal string.
https://pylint.readthedocs.io/en/latest/whatsnew/1.8.html
Signed-off-by: Radostin Stoyanov <rstoyanov1@gmail.com>
In python3 exceptions aren't defined outside the except block. Leading
to 'UnboundLocalError: local variable 'e' referenced before assignment'
errors.
To work around this, store the local variable into one that will have a
longer life.
Fix all E125:
Continuation line with same indent as next logical line
Also remove ignore options of E125
Signed-off-by: Chen Hanxiao <chenhanxiao@gmail.com>
If initialization of new object fails we put it into blacklist and
newer parse it again until virt-manager is restarted. This helps to
reduce number of failures if some object fails initialization every
time.
However, there are some cases where we put object into blacklist
incorrectly. One of the cases is while creating new storage pool.
If the storage pool requires to be build before started but user
doesn't check to build it as well the start of the new storage pool
fails. The issue is that at first we define that object which triggers
a lifecycle event for storage pool and queues new poll operation over
storage pools. Before the poll operation starts the starting of the
storage pools fails and we undefine that storage pool before it is
initialized. The initialization fails and the storage pool is never
managed from that point.
This patch modifies the blacklist to allow 3 failures before we give up
on a specific object and if the object is initialized without error
we remove it from blacklist completely.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1446486
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1093394
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
