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The virDomainGetDiskErrors() API copies disk targets into @disks
array that we allocate. But we forgot to free it:
==140828== 16 bytes in 4 blocks are definitely lost in loss record 41 of 242
==140828== at 0x4C2F08F: malloc (vg_replace_malloc.c:299)
==140828== by 0x8C406D9: strdup (in /lib64/libc-2.28.so)
==140828== by 0x5377DD3: virStrdup (virstring.c:966)
==140828== by 0x54C112F: testDomainGetDiskErrors (test_driver.c:3068)
==140828== by 0x55C863D: virDomainGetDiskErrors (libvirt-domain.c:10988)
==140828== by 0x15D1FA: cmdDomBlkError (virsh-domain-monitor.c:1215)
==140828== by 0x17F1A8: vshCommandRun (vsh.c:1335)
==140828== by 0x13489E: main (virsh.c:920)
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Commit a3dbaa364 neglected to add the source-protocol-ver to the
pool-define-as command.
Signed-off-by: John Ferlan <jferlan@redhat.com>
ACKed-by: Michal Privoznik <mprivozn@redhat.com>
The table included in the sample output for 'list --title' is
unnecessarily wide, which causes man to complain:
warning [p 8, 0.5i]: can't break line
Make the table narrower.
Spotted by Lintian (manpage-has-errors-from-man tag).
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
Apparently "allow(s) to frobnicate" is not correct English, and
either "allow(s) one to frobnicate" or "allow(s) frobnicating"
should be used instead.
Spotted by Lintian (spelling-error-in-{binary,manpage} tags).
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Though it used to be called "Mac OS X" and "OS X" in the past,
it was never "MacOS X" nor "OS-X", and it's just "macOS" now.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
This code is needed to use readline older than 4.1, but all
our target platforms ship with at least 6.0 these days so we
can safely get rid of it.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Standardize on putting the _LAST enum value on the second line
of VIR_ENUM_IMPL invocations. Later patches that add string labels
to VIR_ENUM_IMPL will push most of these to the second line anyways,
so this saves some noise.
Signed-off-by: Cole Robinson <crobinso@redhat.com>
This completer is used to offer shutdown/reboot modes.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Cole Robinson <crobinso@redhat.com>
virutil.(c|h) is a very gross collection of random code. Remove the enum
handlers from there so we can limit the scope where virtutil.h is used.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
If the console was disconnected due to a connection problem or a problem on the
server side it is convinient to provide the cause to the user. If the error
come from the API then the error is saved in a virsh global variable. However,
since success is returned from virshRunConsole after we reach the waiting stage,
then the error is never reported. Let's track the error in the event loop.
Next after failure we do a cleanup and this cleanup can overwrite
root cause. Thus let's save root cause immediately and then set it to
virsh error after all cleanup is done.
Since we'll be sending the error to the consumer, each failure path from
the event handlers needs to be augmented to provide what error generated
the failure.
Reviewed-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
On error in main thread virConsoleShutdown is called which
deletes fd watches/stream callback and yet callbacks can
be called after. Thus we can incorrectly allocate
terminalToStream.data memory and get memory leak for example.
Let's check if console was shutdown in the very beginning of
callbacks.
Reviewed-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
Stream/fd callbacks accessing console object are called from the
event loop thread and the console object is also accessed from
the main thread so we are better add locking to handlers.
Reviewed-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
We only check now for virObjectWait failures in virshRunConsole but
we'd better check and for other failures too. And we need to shutdown
console on error in the main thread.
Reviewed-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
We need to turn console into virObject object because stream/fd callbacks
can be called from the event loop thread after freeing console
in main thread. It is convinient to turn into virLockableObject as
we have mutex in console object.
Reviewed-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Nikolay Shirokovskiy <nshirokovskiy@virtuozzo.com>
Add native guest format of BSD hypervisor and VMware/ESX. Quote native
guest format of domxml-from-native for domxml-to-native.
Reviewed-by: Cole Robinson <crobinso@redhat.com>
Signed-off-by: Han Han <hhan@redhat.com>
Refactor code paths which clear strings on cleanup paths to use the
automatic helper.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
A helper function that takes a XML node with a "size"
and "unit" attributes and converts it into a human-readable string.
Reduce the size and number of variables in the parent function.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Now that we have a shared cleanup section everywhere,
delete all the 'error' labels which all contain just 'goto cleanup'
anyway.
Also remove all the 'cleanup' labels that only 'return ret' - we
can simply return NULL instead of jumping to that label.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
We've been open-coding virStringListFreeCount for cleaning up
the completion list we're building. This had the advantage of
zeoring the pointer afterwards, which is no longer needed
now that we compile the list in 'tmp' instead of 'ret'.
Since all our lists are NULL-terminated anyway, switch to using
virStringListFree via the VIR_AUTOSTRINGLIST macro.
Fixes nearly impossible NULL dereferences in
virshNWFilterBindingNameCompleter
virshNWFilterNameCompleter
virshNodeDeviceNameCompleter
virshNetworkNameCompleter
virshInterfaceNameCompleter
virshStoragePoolNameCompleter
virshDomainNameCompleter
which jumped on the error label after a failed allocation
and a possible one in
virshStorageVolNameCompleter
which jumped there when we fail to fetch the list of volumes.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Unify the cleanup paths for error and success.
Now that 'ret' is only set (from tmp) on the success path,
it is safe to jump right before 'return ret' after processing
the error block.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Construct the potential return value in an array called 'tmp'
and only assign it to 'ret' if we're going to return it.
This will allow us to unify the error and success paths.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Update the wording to note the values for polling are purely dynamic
and won't be saved across domain stop/(re)start or save/restore.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Reviewed-by: Laine Stump <laine@laine.org>
Most of our completers used the pattern:
if ((nITEM = virITEMListAll()) < 0)
return NULL;
but the virDomainSnapshot and virStorageVolume completers were instead
using goto error. If the ListAll fails with -1, the cleanup label was
running a loop of 'size_t i < int nITEM', which is an extreme waste of
CPU cycles. Broken since their introduction in v4.1.
Fixes: f81f8b62
Fixes: 4cb4b649
Reported-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Since test:///default resets state on every connection, writing a test
that covers a sequence of commands must be done from a single
session. But if the test wants to exercise particular failure modes as
well as successes, it can be nice to leave witnesses in the stderr
stream immediately before and after the spot where the expected error
should be, to ensure the rest of the script is not causing errors.
Do this by adding an --err option.
Signed-off-by: Eric Blake <eblake@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
As the previous commit mentioned, argv mode (such as when you feed
virsh via stdin with <<\EOF instead of via a single shell argument)
didn't permit comments. Do this by treating any command name token
that starts with # as a comment which silently eats all remaining
arguments to the next newline or semicolon.
Note that batch mode recognizes unquoted # at the start of any word as
a command as part of the tokenizer, while this patch only treats # at
the start of the command word as a comment (any other # remaining by
the time vshCommandParse() is processing things was already quoted
during the tokenzier, and as such was probably intended as the actual
argument to the command word earlier in the line).
Now I can do something like:
$ virsh -c test:///default <<EOF
# setup
snapshot-create-as test s1
snapshot-create-as test s2
# check
snapshot-list test --name
EOF
Signed-off-by: Eric Blake <eblake@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
Continuing from what I did in commit 4817dec0, now I want to write a
sequence that is self-documenting. So I need comments :)
Now I can do something like:
$ virsh -c test:///default '
# setup
snapshot-create-as test s1
snapshot-create-as test s2
# check
snapshot-list test --name
'
Note that this does NOT accept comments in argv mode, another patch
will tackle that.
(If I'm not careful, I might turn virsh into a full-fledged 'sh'
replacement? Here's hoping I don't go that far...)
Signed-off-by: Eric Blake <eblake@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
Separate the algorithm for which list members to vist (which is
generic and can be shared with checkpoints, provided that common
filtering bits are either declared with the same value or have a
mapping from public API to common value) from the decision on which
members to return (which is specific to snapshots). The typedef for
the callback function feels a bit heavy here, but will make it easier
to move the common portions in a later patch.
As part of the refactoring, note that the macros for selecting filter
bits are specific to listing functionality, so they belong better in
virdomainsnapshotobjlist.h (missed in commit 9b75154c).
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: John Ferlan <jferlan@redhat.com>
This command is fully async. Note that users can use virsh event to be
notified of the guest actually removing the device.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Mention that successful return does not equal to device being detached
similarly as we do at the API level.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Only active pools can be refreshed. But our completer offers just
all pool, even inactive ones.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Despite the misleading name, these were supposed to be used
with a System V style init; however, none of the platforms we
target is using that kind of init anymore: almost all Linux
distributions have switched to systemd, those that haven't
(such as Gentoo and Alpine) are mostly using OpenRC with
custom init scripts, and the BSDs have been doing their own
thing all along.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
We provide a custom configure option --enable-test-coverage and
'make cov' target to generate code coverage reports. However gnulib
already provides a 'make coverage' which 'just works' and doesn't
require a special configure option.
This drops our custom implementation in favor of 'make coverage'.
Reports are now output to cov/index.html
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
Signed-off-by: Cole Robinson <crobinso@redhat.com>
For snapshots, virsh already has a (shockingly naive [1]) client-side
topological sorter with the --tree option. But as a series of REDEFINE
calls must be presented in topological order, it's worth letting the
server do the work for us, especially since the server can give us a
topological sorting with less effort than our naive client
reconstruction.
[1] The XXX comment in virshSnapshotListCollect() about --tree being
O(n^3) is telling; https://en.wikipedia.org/wiki/Topological_sorting
is an interesting resource describing Kahn's algorithm and other
approaches for O(n) topological sorting for anyone motivated to use a
more elegant algorithm than brute force - but that doesn't affect this
patch.
For now, I am purposefully NOT implementing virsh fallback code to
provide a topological sort when the flag was rejected as unsupported;
we can worry about that down the road if users actually demonstrate
that they use new virsh but old libvirt to even need the fallback.
(The code we use for --tree could be repurposed to be such a fallback,
whether or not we keep it naive or improve it to be faster - but
again, no one should spend time on a fallback without evidence that we
need it.)
The test driver makes it easy to test:
$ virsh -c test:///default '
snapshot-create-as test a
snapshot-create-as test c
snapshot-create-as test b
snapshot-list test
snapshot-list test --topological
snapshot-list test --descendants a
snapshot-list test --descendants a --topological
snapshot-list test --tree
snapshot-list test --tree --topological
'
Without any flags, virsh does client-side sorting alphabetically, and
lists 'b' before 'c' (even though 'c' is the parent of 'b'); with the
flag, virsh skips sorting, and you can now see that the server handed
back data in a correct ordering. As shown here with a simple linear
chain, there isn't any other possible ordering, so --tree mode doesn't
seem to care whether --topological is used. But it is possible to
compose more complicated DAGs with multiple children to a parent
(representing reverting back to a snapshot then creating more
snapshots along those divergent execution timelines), where it is then
possible (but not guaranteed) that adding the --topological flag
changes the --tree output (the client-side --tree algorithm breaks
ties based on alphabetical sorting between two nodes that share the
same parent, while the --topological sort skips the client-side
alphabetical sort and ends up exposing the server's internal order for
siblings, whether that be historical creation order or dependent on a
random hash seed). But even if the results differ, they will still be
topologically correct.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
It's meant for testing, not for production builds. Also we have a helper
for reporting OOM errors. Introduced by 23e0bf1c4e
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
In local testing, I accidentally introduced a self-test failure,
and spent way too much time debugging it. Make sure the testsuite
log includes some hint as to why command option validation failed.
Lone exception: allocation failure is unlikely during self-test,
and if it happens, we are better off asserting (vsh.c can do this,
even if libvirt.so cannot).
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Acked-by: Peter Krempa <pkrempa@redhat.com>
When running virt-host-validate on an s390x host, the tool currently warns
that it is "Unknown if this platform has IOMMU support". We can use the
common check for entries in /sys/kernel/iommu_groups here, too, but it only
makes sense to check it if there are also PCI devices available. It's also
common on s390x that there are no PCI devices assigned to the LPAR, and in
that case there is no need for the PCI-related IOMMU, so without PCI devices
we should simply skip this test.
Signed-off-by: Thomas Huth <thuth@redhat.com>
Reviewed-by: Bjoern Walk <bwalk@linux.ibm.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
When dealing with internal paths we don't need to worry about
whether or not suffixes are lowercase since we have full control
over them, which means we can avoid performing case-insensitive
string comparisons.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
ACKed-by: Peter Krempa <pkrempa@redhat.com>
Despite its name, this is really just a general-purpose string
manipulation function, so it should be moved to the virstring
module and renamed accordingly.
In addition to the obvious s/File/String/, also tweak the name
to make it clear that the presence of the suffix is verified
using case-insensitive comparison.
A few trivial whitespace changes are squashed in.
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
ACKed-by: Peter Krempa <pkrempa@redhat.com>
In these cases the check that is removed has been done a few
lines above already (as can even be seen in the context). Drop
them.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=1581670
Add a new storage pool command "pool-capabilities" to output
the storage pool capabilities.
Signed-off-by: John Ferlan <jferlan@redhat.com>
ACKed-by: Michal Privoznik <mprivozn@redhat.com>
