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The way that auto completion works currently is that user's input
is parsed, and then we try to find the first --option (in the
parsed structure) that has the same value as user's input around
where <TAB> was pressed. For instance, for the following input:
virsh # command --arg1 hello --arg2 world<TAB>
we will see "world" as text that user is trying to autocomplete
(this is affected by rl_basic_word_break_characters which
readline uses internally to break user's input into individual
words) and find that it is --arg2 that user is trying to
autocomplete. So far so good, for this naive approach. But
consider the following example:
virsh # command --arg1 world --arg2 world<TAB>
Here, both arguments have the same value and because we see
"world" as text that user is trying to autocomplete we would
think that it is --arg1 that user wants to autocomplete. This is
obviously wrong.
Fortunately, readline stores the current position of cursor (into
rl_point) and we can use that when parsing user's input: whenever
we reach a position that matches the cursor then we know that
that is the place where <TAB> was pressed and hence that is the
--option that user wants to autocomplete. Readline stores the
cursor position as offset (numbered from 1) from the beginning of
user's input. We store this input into @parser->pos initially,
but then advance it as we tokenize it. Therefore, what we need is
to store the original position too.
Thanks to Martin who helped me with this.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The way our completer callbacks work is that they return all
possible candidates and then vshCompleterFilter() is called to
prune the list of all candidates removing those which don't match
user's input. This allows us to have simpler completer callbacks
as their only job is to fetch all possible candidates.
Anyway, if the completion candidate we're returning contains a
space, it has to be escaped (shell like escaping), unless there
is already a quote character (single quote or double quote).
But ordering is critical. Completer callback returns string
without any escaping, but the filter function sees the user input
escaped. For instance, if user's input is "domain with
space<TAB>" then the filtering function gets "domain\ with\
space" as user's input but completer returns "domain with space".
Since these two strings don't match the filtering function
removes this candidate from the list. What we need to do is to
escape strings before calling the filtering function. This way,
the filtering function will see two same strings.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
In next commit the block that does escaping of returned string
will be brought into this block. But both contain variable @buf
and use it in different contexts. Rename @buf from @state == 0
block to @line which reflects its purpose better.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Instead of freeing @partial and @buf explicitly, we can use
g_auto*() to do that automatically.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
On readline completion vshReadlineCompletion() is called which
does nothing more than calling rl_completion_matches() with
vshReadlineParse() as a callback. This means, that
vshReadlineParse() is called repeatedly, each time returning next
completion candidate, until it returns NULL which is interpreted
as the end of the list of candidates.
The function takes two parameters: @text which is a portion of
input line around cursor when TAB was pressed, and @state. The
@state is an integer that is zero on the very first call and
non-zero on each subsequent call (in fact, readline does @state++
on each call).
Anyway, the idea is that the callback gets the whole list of
candidates on @state == 0 and returns one candidate at each call.
And this is what vshReadlineParse() is doing but some variables
(@partial, @cmd and @opt) are really used only in the @state == 0
case but declared for whole function. We can limit their scope by
declaring them inside the @state == 0 body which also means that
they don't have to be static anymore.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
A backslash is the way we escape characters in virsh. For
instance:
virsh # start domain\ with\ long\ name
For readline completion, we do not want to get four separate
words ("domain", "with", "long", "name"). This means, that we
can't use virBufferEscapeShell() because it doesn't escape spaces
the way we want.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This variable is unused since introduction of the function in
v0.8.5~150.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The way this completer works is that it dumps XML of specified
domain and then tries to look for @name attribute of <alias/>
element. However, the XPATH it uses is not correct which results
in no aliases returned by the completer.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
As can be seen in commit 8a62a1592a (from
autoconf era), the coverage flags have to be used also when linking
objects. However, this was not reflected when we switched to meson.
Without this patch linking fails with undefined references to various
__gcov_* symbols.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
All these headers are indirectly included provided by virfile.h having
virstoragefile.h which will be removed in the following patch.
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
Domain name can contain spaces in which case it's not immediately clear
from virsh messages where the boundary of the name is. Enclose all %s
formatters in apostrophes as delimiters.
Done via the following vim regex:
%s/omain %s/omain '%s'/g
This patch changes:
$ virsh undefine --snapshots-metadata 'OWASP Broken Web Apps VM v1.2'
Domain OWASP Broken Web Apps VM v1.2 has been undefined
to:
$ virsh undefine --snapshots-metadata 'OWASP Broken Web Apps VM v1.2'
Domain 'OWASP Broken Web Apps VM v1.2' has been undefined
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
After v6.3.0-rc1~64 a lease can have infinite expiry time. This
means that the expiration time will appear as a value of zero.
Do the expiration check only if the expiration time is not zero.
Fixes: 97a0aa2467
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
The refactor left in the 'if (addr)' check,
but before 'addr' was the return value of strchr
and now it's the return value of virshAddressParse.
Check 'a' instead since that's the return of strchr now.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Fixes: 67bf91e1c3
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Add support to filter by 'ap_matrix' capability.
Signed-off-by: Shalini Chellathurai Saroja <shalini@linux.ibm.com>
Reviewed-by: Bjoern Walk <bwalk@linux.ibm.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Add support for AP matrix device in libvirt node device driver.
https://www.kernel.org/doc/html/latest/s390/vfio-ap.html#the-design
Signed-off-by: Shalini Chellathurai Saroja <shalini@linux.ibm.com>
Reviewed-by: Bjoern Walk <bwalk@linux.ibm.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Add support to filter by 'ap_card' and 'ap_queue' capabilities.
Signed-off-by: Farhan Ali <alifm@linux.ibm.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Bjoern Walk <bwalk@linux.ibm.com>
Signed-off-by: Shalini Chellathurai Saroja <shalini@linux.ibm.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Each AP card device can support upto 256 AP queues. AP queues are
also detected by udev, so add support for libvirt nodedev driver.
https://www.kernel.org/doc/html/latest/s390/vfio-ap.html#ap-architectural-overview
Signed-off-by: Farhan Ali <alifm@linux.ibm.com>
Signed-off-by: Shalini Chellathurai Saroja <shalini@linux.ibm.com>
Reviewed-by: Bjoern Walk <bwalk@linux.ibm.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Introduce support for the Adjunct Processor (AP) crypto card device.
Udev already detects the device, so add support for libvirt nodedev
driver.
https://www.kernel.org/doc/html/latest/s390/vfio-ap.html#ap-architectural-overview
Signed-off-by: Farhan Ali <alifm@linux.ibm.com>
Signed-off-by: Shalini Chellathurai Saroja <shalini@linux.ibm.com>
Reviewed-by: Bjoern Walk <bwalk@linux.ibm.com>
Reviewed-by: Boris Fiuczynski <fiuczy@linux.ibm.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
When removing SSH keys via set-user-sshkeys virsh command, then
files to remove are read from passed file. But when
experimenting, I've passed /dev/null as the file which resulted
in API checks which caught that @keys argument of
virDomainAuthorizedSSHKeysSet() can't be NULL. This is because if
the file is empty then its content is an empty string and thus
the buffer the file was read in to is not NULL.
Long story short, error is reported correctly, but it's not
necessary to go through public API to catch it.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
In v6.10.0-rc1~104 I've added a virsh command that exposes
virDomainAuthorizedSSHKeysSet() API under "set-user-sshkeys"
command. The command accepts mutually exclusive "--reset" and
"--remove" options (among others). While the former controls the
VIR_DOMAIN_AUTHORIZED_SSH_KEYS_SET_APPEND flag, the latter
controls the VIR_DOMAIN_AUTHORIZED_SSH_KEYS_SET_REMOVE flag.
These flags are also mutually exclusive. But the code that sets
them has a logical error which may result in both flags being
set. In fact, this results in user being not able to set just the
remove flag.
Fixes: 87d12effbe
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1904674
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The comment that
> For instance, qemu-ga doesn't support guest time synchronization on
> Windows guests, but Linux ones.
Was correct at the time, but has since been addressed by
qemu/qemu@105fad6bb2, which added support for set-time without a time
argument, as used by `virsh domtime --sync` by libvirt-guests.sh. I can
confirm that `virsh domtime --sync` works correctly on a Windows 10
guest, as does `SYNC_TIME=1`. (Note that there can be a significant
delay between when the command completes and when the guest time
finishes synchronizing due to QEMU GA calling `w32tm` with `/nowait`,
which complicates testing.)
Signed-off-by: Kevin Locke <kevin@kevinlocke.name>
Loop for multiple PATH arguments to support shell pattern expansion.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
In some cases you want to fix a certain directory while you don't really
care whether there are other VMs running. Add a option to disable the
check.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Linux and FreeBSD have different prefix. In the current state we've
tried to reset the labels for both systems which resulted in errors like
this:
Fixing /tmp/bitmaps2.qcow2
setfattr: /tmp/bitmaps2.qcow2: Operation not supported
setfattr: /tmp/bitmaps2.qcow2: Operation not supported
setfattr: /tmp/bitmaps2.qcow2: Operation not supported
setfattr: /tmp/bitmaps2.qcow2: Operation not supported
setfattr: /tmp/bitmaps2.qcow2: Operation not supported
setfattr: /tmp/bitmaps2.qcow2: Operation not supported
The 6 failed 'setfattrs' correspond to the wrong prefix.
Select the correct prefix based on the kernel name and modify the code
appropriately.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Existing practice with the filesystem fields reported for the
virDomainGetGuestInfo API is to use the singular form for
field names. Ensure the disk info follows this practice.
Fixes
commit 05a75ca2ce
Author: Marc-André Lureau <marcandre.lureau@redhat.com>
Date: Fri Nov 20 22:09:46 2020 +0400
domain: add disk informations to virDomainGetGuestInfo
commit 0cb2d9f05d
Author: Marc-André Lureau <marcandre.lureau@redhat.com>
Date: Fri Nov 20 22:09:47 2020 +0400
qemu_driver: report guest disk informations
commit 172b830435
Author: Marc-André Lureau <marcandre.lureau@redhat.com>
Date: Fri Nov 20 22:09:48 2020 +0400
virsh: add --disk informations to guestinfo command
Reviewed-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Glib provides g_auto(GStrv) which is in-place replacement of our
VIR_AUTOSTRINGLIST.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Tested-by: Han Han <hhan@redhat.com>
Related issue: https://gitlab.com/libvirt/libvirt/-/issues/16
Added in support for the following parameters in attach-disk:
--source-protocol
--source-host-name
--source-host-socket
--source-host-transport
Added documentation to virsh.rst specifying usage.
Signed-off-by: Ryan Gahagan <rgahagan@cs.utexas.edu>
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Convert the code to the new XML formatting approach for simpler code and
future additions.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
For extendability and clarity add enum virshAttachDiskSourceType and
use it to drive the XML formatting.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
The helper started as helper for cmdAttachDisk but is now used outside
of it too.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Use 'virshAddress' prefix for all the related structs and enums.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Rewrite and rename the address parser.
As a fallout the use of the removed 'str2PCIAddress' is replaced by
virshAddressParse and virshAddressFormat.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
DISK_ADDR_TYPE_SATA, DISK_ADDR_TYPE_IDE and DISK_ADDR_TYPE_SCSI are
driven by basically identical data types. Unify them. Note that
changes to 'str2DiskAddress' are deliberately lazy as it will be
refactored later.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Introduce virshAddressFormat with code from cmdAttachDiskFormatAddress
to format the address.
Note that this patch fixes some whitespace inconsistencies in the
formatted addresses.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
First step is to remove all of the address handling code to a new
function called 'cmdAttachDiskFormatAddress'.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
'virsh attach-disk' uses stat() to determine if the 'source' is a
regular file. If stat fails though it assumes that the file is block.
Since it's way more common to have regular files and the detection does
not work at all when accessing a remote host, modify the default to
assume type='file' by default.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Remove the unnecessary 'cleanup:' label since we can directly return as
the memory clearing is now automated.
We can also remove the 'functionReturn' variable and use the usual
pattern of returning success.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel Henrique Barboza <danielhb413@gmail.com>
Using virtCgroupNewSelf() is not correct with cgroups v2 because the
the virt-host-validate process is executed from from the same cgroup
context as the terminal and usually not all controllers are enabled
by default.
To do a proper check we need to use the root cgroup to see what
controllers are actually available. Libvirt or systemd ensures that
all controllers are available for VMs as well.
This still doesn't solve the devices controller with cgroups v2 where
there is no controller as it was replaced by eBPF. Currently libvirt
tries to query eBPF programs which usually works only for root as
regular users will get permission denied for that operation.
Fixes: https://gitlab.com/libvirt/libvirt/-/issues/94
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
The new virsh commands are:
get-user-sshkeys
set-user-sshkeys
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
We try to enable keepalive oportunistically. If it's not supported by
the connection driver and it was not explicitly requested we keep the
error object set and can report it in some cases accidentally:
--- stdout ---
TEST: /home/pipo/libvirt/tests/virsh-self-test
! 1 FAILED
--- stderr ---
error: parameter 'target' of command 'attach-disk' must be listed before optional parameters
error: this function is not supported by the connection driver: virConnectSetKeepAlive
-------
Clear the stored libvirt error.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The function can't fail so there's no need to return a value or check it
in the callers.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The help formatter called vshCmddefOptParse just for validation
purposes. Since vshCmddefOptParse no longer validates the command itself
and we don't need the bitmaps returned by it we can drop the call
entirely.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Since vshCmddefCheckInternals now has this check we no longer need it in
vshCmddefOptParse.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
We no longer print help for every command to validate the args.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
'vshCmddefCheckInternals' is the go-to place for all checks related to
the definition of parameters for commands, but the check that all
mandatory parameters must be ordered before optional parameters was
still only in vshCmddefOptParse.
Adding a non-compliant option would not be caught by our test suite as
'virsh self-test' doesn't call vshCmddefOptParse.
Re-implement the check in vshCmddefCheckInternals.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
If a parameter definition is invalid we can include the name of the
parameter for simpler debugging.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
