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This function always returns zero, so it might as well be void.
Signed-off-by: Matt Coleman <matt@datto.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Don't hide our use of GHashTable behind our typedef. This will also
promote the use of glibs hash function directly.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Matt Coleman <matt@datto.com>
Code which is sensitive to ordering now uses deterministic iterator
functions, so we can remove the mock override.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Matt Coleman <matt@datto.com>
Add an abort() on the class/object allocation failures so that
virStorageSourceNew() always returns a virStorageSource and remove
checks from all callers.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Commit bcbb026993 converted qemublocktest to use
g_autoptr for virQEMUCaps. To prevent it from crashing,
don't explicitly call virObjectUnref() on this object.
Signed-off-by: Roman Bogorodskiy <bogorodskiy@gmail.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Upcoming commit will need to add another flag for the function so
convert it to a bitwise-or'd array of flags to prevent having 4
booleans.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Test both 'basic' and 'snapshots' cases on shallow and deep copy modes.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reuse qemuBlockGetBitmapMergeActions which allows the removal of the
ad-hoc implementation of bitmap merging for block copy.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Simulate commit between all the combinations of layers in the
'snapshots' case to see whether the code merges the correct bitmaps with
the correct depth of temporary bitmaps.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
In the 'basic' case we have few bitmaps in only the top layer. Simulate
commit into the backing of the top layer and also 2 levels deep.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reuse qemuBlockGetBitmapMergeActions which allows removing the ad-hoc
implementation of bitmap merging for block commit. The new approach is
way simpler and more robust and also allows us to get rid of the
disabling of bitmaps done prior to the start as we actually do want to
update the bitmaps in the base.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
The 'snapshots' case has multiple layers so we need to make sure that
the bitmaps are merged with the appropriate temporary bitmaps formatted
from the allocation bitmap for any backing chain layer above.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
The 'basic' case is just a single backing store layer containing the
bitmaps so we just copy the bitmaps over to the backup bitmap.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reuse qemuBlockGetBitmapMergeActions which allows removal of the ad-hoc
implementation of bitmap merging for backup. The new approach is simpler
and also more robust in case some of the bitmaps break as they remove
the dependency on the whole chain of bitmaps working.
The new approach also allows backups if a snapshot is created outside of
libvirt.
Additionally the code is greatly simplified.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Exercise the now arguably simpler checkpoint deletion code on the
'basic', 'snapshots', and 'synthetic' test data sets.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Now that we've switched to the simple handling, the first thing that can
be massively simplified is checkpoint deletion. We now need to only go
through the backing chain and find the appropriately named bitmaps and
delete them, no complex lookups or merging.
Note that compared to other functions this deletes the bitmap in all
layers compared to others where we expect only exactly 1 bitmap of a
name in the backing chain to prevent potential problems.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Based on the 'snapshots' example with manual tweaks to introduce
inactive, transient, inconsistent and duplicate bitmaps in various parts
of the chain to exercise detection and new validation code.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Now that we've updated both the test data and the validator to new
semantics we can start testing again.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
There will be multiple places where we'll need to print nodenames from a
GSList of virStorageSource for testing purposes. Extract the code into a
function.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
They will be replaced by a different set which will test scenarios
relevant for the new semantics.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Upcoming patches are going to rewrite and semantically modify how
bitmaps are handled during blockjobs. This is possible as incremental
backup is not yet fully enabled.
As the changes are going to be incompatible with any current test data
remove all test cases for bitmap handling during checkpoint deletion,
incremental backups, block commit, block copy, and bitmap validation
operations.
The tests will be gradually added back later after the code and
test-data is refactored.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Use the new test data for checkpoint deletion testing. This test also
requires modification of the internals to allow checking for test
failure.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Use the new test data when calculating incremental backup operations. As
incremental backup fails with no bitmap the test code is modified to
allow testing this case too.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
If a disk is not captured by one of the intermediate checkpoints the
code would fail, but we can easily calculate the bitmaps to merge
correctly by skipping over checkpoints which don't describe the disk.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
It always loads the latest schema. Prepare for loading others as well.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Some test cases are used to validate interactions with old qemu. We need
to skip validation of deprecation with those once it will be added.
In case of commands which were already replaced by code based on
capabilities we can skip the full validation once the command is
removed.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Modern way to store <auth> and <encryption> of a <disk> is under
<source>. This was added to mirror how <backingStore> handles these and
in fact they are relevant to the source rather than to any other part of
the disk. Historically we allowed them to be directly under <disk> and
we need to keep compatibility.
This wasn't a problem until introduction of -blockdev in qemu using of
<auth> or <encryption> plainly wouldn't work with backing chains.
Now that it works in backing chains and can be moved back and forth
using snapshots/block-commit we need to ensure that the original
placement is properly kept even if the source changes.
To achieve the above semantics we need to store the preferred placement
with the disk definition rather than the storage source definitions and
also ensure that the modern way is chosen when the VM started with
<source/encryption> only in the backing store.
https://bugzilla.redhat.com/show_bug.cgi?id=1822878
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
In case of 'sd' cards we'll use pre-blockdev code also if qemu supports
blockdev. In that specific case we'll need to mask out blockdev support
for 'sd' disks. Plumb in a boolean to allow it.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Remove the function and passing of 'def' through the callers.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Move the code from qemuCheckDiskConfigBlkdeviotune in
src/qemu/qemu_commandline.c to
qemuValidateDomainDeviceDefDiskBlkdeviotune.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This function will remain public due to its usage in qemublocktest.c
even after moving qemuDomainDeviceDefValidate(). The position of its
header in qemu_validate.h is no accident.
Signed-off-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Our code allows snapshots of NVMe based disks which means we create
overlay file with a 'json:{}' pseudo-uri refering to the NVME device.
Our parser code doesn't handle them though. Add the parser and test it
via the XML->json->XML round-trip and reference data.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Format cookies into the backing store string without encryption as they
will not be visible on the command line when formatting a 'target' only
string. In cases when cookies or other options are used we must use the
JSON format rather than pure URI.
Add tests to validate the scenario.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
With -blockdev libvirt provides the string which is recorded as
'backing store' property of an image to qemu. Add testing for
qemuBlockGetBackingStoreString which generates these strings as there's
logic which determines which format to use.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
We had two non-syncrhonized arrays holding the individual data. This was
a lazy way to do it when I was adding new tests recently. Since it's
hard to extend with new data to test refactor the storage of test data
to use a new struct where all per-image data are kept and can be
extended easily.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The function was misplaced. Group it together with other helper
functions for testing disk XML to qemu JSON props conversion.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Use automatic variable clearing and remove the cleanup sections of
testQemuDiskXMLToProps, testQemuDiskXMLToPropsValidateSchema and
testQemuDiskXMLToPropsValidateFile.
testQemuDiskXMLToPropsValidateFileSrcOnly already uses new helpers.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Based on the configuration from the only qemuxml2argv test.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Use the 'snapshots-synthetic-broken' test data for block-commit.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Test handling of more complex cases of merging bitmaps accross
snapshots.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Add code for testing the two necessary steps of handling bitmaps during
block commit and exercise the code on the test data which we have for
bitmap handling.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Set the 'id' field of the backing chain properly so that we can look
up images, and initialize 6 images instead of 10 as we don't use more
currently.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
