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The macro is used in one place only and the command definition will be
altered. Inline it.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Upcoming patches will need to tweak some of the properties of the
command. Since the macro is used in just two places expand it inline.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
The flag was replaced by the 'required' field in the option definition.
Remove last few uses and all assignments.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Use the new 'positional' field to do decisions rather than have a
special type for positional strings.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Add 'positional' and 'required' fields to vshCmdOptDef, which will
explicitly track the two properties of arguments.
To ensure that we have proper coverage, add checks to
vshCmddefCheckInternals validating the state of the above flags by
infering it from existing data.
This conversion will allow us:
- remove VSH_OT_DATA in favor of VSH_OT_STRING
- use VSH_OT_INT when required both as positional and non-positional
- properly annotate which VSH_OT_ARGV are positional and which are not
(currently inferred by whether an previous positional option exists)
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
There's just one command taking a list of domains as argument, thus
declare it inline.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This option can be used as a shortcut for creating a single XML with
just a CPU model name and no features:
$ virsh hypervisor-cpu-baseline --model Skylake-Server
<cpu mode='custom' match='exact'>
<model fallback='forbid'>Skylake-Server</model>
<feature policy='disable' name='avx512f'/>
<feature policy='disable' name='avx512dq'/>
<feature policy='disable' name='clwb'/>
<feature policy='disable' name='avx512cd'/>
<feature policy='disable' name='avx512bw'/>
<feature policy='disable' name='avx512vl'/>
<feature policy='disable' name='pku'/>
</cpu>
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
'cmdEvent' along with all the helper functions it needs is ~950 LOC.
Move it out from virsh-domain.c to virsh-domain-event.c along with the
completer function so that the new module doesn't have to expose any new
types.
Semantically this creates a new category in 'virsh help' but all other
behaviour stays the same.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
For now the completion does the correct thing of completing a local path
if NULL is returned.
Introduce 'virshCompletePathLocalExisting' and use it in the
'VIRSH_COMMON_OPT_FILE' macro.
This for now serves as an annotation for the function which want to read
a file on the host running virsh. In the future this can be used with a
more sophisticated implementation.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
In cases such as the APIs for managed save management, the file path
provided via the '--file' option is passed to the API.
We'll need to make them distinct from cases for when virsh is using the
file so that different completers can be used.
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
Historically, we declared pointer type to our types:
typedef struct _virXXX virXXX;
typedef virXXX *virXXXPtr;
But usefulness of such declaration is questionable, at best.
Unfortunately, we can't drop every such declaration - we have to
carry some over, because they are part of public API (e.g.
virDomainPtr). But for internal types - we can do drop them and
use what every other C project uses 'virXXX *'.
This change was generated by a very ugly shell script that
generated sed script which was then called over each file in the
repository. For the shell script refer to the cover letter:
https://listman.redhat.com/archives/libvir-list/2021-March/msg00537.html
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Peter Krempa <pkrempa@redhat.com>
After the split of virsh to multiple files, and the subsequent
split to vsh/virt-admin, there are quite a few leftovers.
Signed-off-by: Ján Tomko <jtomko@redhat.com>
Reviewed-by: Martin Kletzander <mkletzan@redhat.com>
For long running jobs (save, managed save, dump & live migrate)
virsh runs a background thread for executing the job and then
has the main thread catch Ctrl-C for graceful shutdown, as well
as displaying progress info.
The monitoring code is written using poll, with a pipe used
to get the completion status from the thread. Using a pipe
and poll is problematic for Windows portability. This rewrites
the code to use a GMainLoop instance for monitoring stdin and
doing progress updates. The use of a pipe is entirely eliminated,
instead there is just a shared variable between both threads
containing the job completion status.
No mutex locking is used because the background thread writes
to the variable only when the main loop is still running,
while the foreground thread only reads it after the main loop
has exited.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The GNULIB termios module ensures termios.h exists (but
is none the less empty) when building for Windows. We
already exclude usage of the functions that would exist
in a real termios.h, so having an empty termios.h is
not especially useful.
It is simpler to just put all use of termios.h related
functions behind a "#ifndef WIN32" conditional.
Reviewed-by: Pavel Hrdina <phrdina@redhat.com>
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
Introduced in v5.10.0-449-gcf44ec5577 it used
virshCommaStringListComplete() to generate list of options. But
this is not correct because the '--source' argument of the
'domifaddr' doesn't accept a string list (for instance
"arp,agent,lease") rather than a single string. Therefore, the
completer must return these strings separately and thus must
refrain from using virshCommaStringListComplete().
At the same time, now that we have strings we need declared as
an enum we can use TypeToString() instead of copying strings.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Introduce virsh commands for performing backup jobs.
Signed-off-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Introduce a bunch of new virsh commands for managing checkpoints in
isolation. More commands are needed for performing incremental
backups, but these commands were easy to implement by modeling heavily
after virsh-snapshot.c. There is no need for checkpoint-revert or
checkpoint-current since those snapshot APIs have no checkpoint
counterpart. Similarly, it is not necessary to change which
checkpoint is current when redefining from XML, since until we
integrate checkpoints with snapshots, there is only a linear chain
(and you can deduce the current checkpoint by instead using
'checkpoint-list --leaves'). Other aspects of checkpoint-list are
also a bit simpler than the snapshot counterpart, in part because we
don't have to cater to back-compat to older API.
Upcoming patches will test these interfaces once the test driver
supports checkpoints.
Signed-off-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Daniel P. Berrangé <berrange@redhat.com>
In 600462834f we've tried to remove Author(s): lines
from comments at the beginning of our source files. Well, in some
files while we removed the "Author" line we did not remove the
actual list of authors.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Erik Skultety <eskultet@redhat.com>
Require that all headers are guarded by a symbol named
LIBVIRT_$FILENAME
where $FILENAME is the uppercased filename, with all characters
outside a-z changed into '_'.
Note we do not use a leading __ because that is technically a
namespace reserved for the toolchain.
Signed-off-by: Daniel P. Berrangé <berrange@redhat.com>
The domxml-to-native virsh command accepts either --xml or --domain
option followed by a file or domain name respectively. The --domain
option is documented as required, which means an argument with no option
is treated as --xml. Commit v4.3.0-127-gd86531daf2 broke this by making
--domain optional and thus an argument with no option was treated as
--domain.
https://bugzilla.redhat.com/show_bug.cgi?id=1633077
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
All of the ones being removed are pulled in by internal.h. The only
exception is sanlock which expects the application to include <stdint.h>
before sanlock's headers, because sanlock prototypes use fixed width
int, but they don't include stdint.h themselves, so we have to leave
that one in place.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
It doesn't really make sense for us to have stdlib.h and string.h but
not stdio.h in the internal.h header.
Signed-off-by: Erik Skultety <eskultet@redhat.com>
Acked-by: Michal Privoznik <mprivozn@redhat.com>
centralize the definition of macro VIRSH_COMMON_OPT_DOMAIN_FULL to virsh.h
to avoid unnecessary duplicated definition
Signed-off-by: Lin Ma <lma@suse.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Now that we have everything prepared let the fun begin. This
completer is very simple and returns domain names. Moreover,
depending on the command it can return just a subset of domains
(e.g. only running/paused/transient/.. ones).
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
In some cases there's dangling backward slash at the end of multi
line macros. While technically the code works, it will stop if
some empty lines are removed.
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Right-aligning backslashes when defining macros or using complex
commands in Makefiles looks cute, but as soon as any changes is
required to the code you end up with either distractingly broken
alignment or unnecessarily big diffs where most of the changes
are just pushing all backslashes a few characters to one side.
Generated using
$ git grep -El '[[:blank:]][[:blank:]]\\$' | \
grep -E '*\.([chx]|am|mk)$$' | \
while read f; do \
sed -Ei 's/[[:blank:]]*[[:blank:]]\\$/ \\/g' "$f"; \
done
Signed-off-by: Andrea Bolognani <abologna@redhat.com>
https://bugzilla.redhat.com/show_bug.cgi?id=872166
When the login session doesn't have an ssh -X type display agent in
order for libvirtd to run the polkit session authentication, attempts
to run 'virsh -c qemu:///system list' from an unauthorized user (or one
that isn't part of the libvirt /etc/group) will fail with the following
error from libvirtd:
error: authentication unavailable: no polkit agent available to
authenticate action 'org.libvirt.unix.manage'
In order to handle the local authentication, we will use the new
virPolkitAgentCreate API in order to create a text based authentication
agent for our non readonly session to authenticate with.
The new code will execute in a loop allowing 5 failures to authenticate
before failing out.
With this patch in place, the following occurs:
$ virsh -c qemu:///system list
==== AUTHENTICATING FOR org.libvirt.unix.manage ===
System policy prevents management of local virtualized systems
Authenticating as: Some User (SUser)
Password:
==== AUTHENTICATION COMPLETE ===
Id Name State
----------------------------------------------------
1 somedomain running
$
Rather than continually cut-n-paste the strings into each command,
create a common macro to be used generically. The macro will take a
single argument _helpstr for the less common help string for each
command option. Note that only file options using "OT_DATA" and
"OFLAG_REQ" will be replace - others are left as is.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Rather than continually cut-n-paste the strings into each command,
create a common macro to be used generically. The macro will take a
single argument _helpstr which for many options in virsh-domain.c
is simply "affect current domain". So, create a second macro within that
file in order to define the more common use as a revector to the
common macro with the common _helpstr.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Rather than continually cut-n-paste the strings into each command,
create a common macro to be used generically. The macro will take a
single argument _helpstr which for many options in virsh-domain.c
is simply "affect running domain". So, create a second macro within that
file in order to define the more common use as a revector to the
common macro with the common _helpstr.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Rather than continually cut-n-paste the strings into each command,
create a common macro to be used generically. The macro will take a
single argument _helpstr which for many options in virsh-domain.c
is simply "affect next boot". So, create a second macro within that
file in order to define the more common use as a revector to the
common macro with the common _helpstr.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Rather than continually cut-n-paste the strings into each command,
create a common macro to be used generically. The macro will take a
single argument _helpstr which will be used to pass the translatable
helpstr since not all domain options can take the same string.
The majority of the options take 'N_("domain name, id or uuid")', so
create a separate macro with a _FULL suffix while those that do not
take the same string will use the VIRSH_COMMON_OPT_DOMAIN macro.
Signed-off-by: John Ferlan <jferlan@redhat.com>
The macro is slightly adjusted to add an argument "_helpstr". This
will be passed as a translation macro string since other uses of the
option may not have the same exact help string (such as is the case
when the uuid is not suppliable for create commands).
In virsh-pool.c - we'll create a singular VIRSH_COMMON_OPT_POOL_FULL
in order to pass along the 'N_("pool name or uuid")'
In virsh-volume.c there will be a VIRSH_COMMON_OPT_POOL_FULL and a
VIRSH_COMMON_OPT_POOL_NAME, which passes 'N_("pool name")' for
the commands that can only pass a name. There will also be a
VIRSH_COMMON_OPT_POOL_OPTIONAL which is used for the command
options which use OT_STRING and don't require the --pool argument.
Signed-off-by: John Ferlan <jferlan@redhat.com>
Commmit df8192aa introduced admin related rename and some minor
(caused by automated approach, aka sed) and some more severe isues along with
it. First reason to revert is the inconsistency with libvirt library.
Although we deal with the daemon directly rather than with a specific
hypervisor, we still do have a connection. That being said, contributors might
get under the impression that AdmDaemonNew would spawn/start a new daemon
(since it's admin API, why not...), or AdmDaemonClose would do the exact
opposite or they might expect DaemonIsAlive report overall status of the daemon
which definitely isn't the case.
The second reason to revert this patch is renaming virt-admin client. The
client tool does not necessarily have to reflect the names of the API's it's
using in his internals. An example would be 's/vshAdmConnect/vshAdmDaemon'
where noone can be certain of what the latter function really does. The former
is quite expressive about some connection magic it performs, but the latter does
not say anything, especially when vshAdmReconnect and vshAdmDisconnect were
left untouched.
virAdmConnect was named after virConnect, but after some discussions,
most of the APIs called will be working with remote daemon and starting
them virAdmDaemon will make more sense. Only possibly controversal name
is CloseCallback (de)registration, and connecting to the daemon (which
will still be Open/Close), but even this makes sense if one thinks about
the daemon being opened and closed, e.g. as file, etc.
This way all the APIs working with the daemon will start with
virAdmDaemon prefix, they will accept virAdmDaemonPtr as first parameter
and that will better suit with other namings as well (virDomain*,
virAdmServer*, etc.).
Because in virt-admin, the connection name does not refer to a struct
that would have a connect in its name, also adjust 'connname' in
clients. And because it is not used anywhere in the vsh code, move it
from there into each client.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
In order to share as much virsh' logic as possible with upcomming
virt-admin client we need to split virsh logic into virsh specific and
client generic features.
Since majority of virsh methods should be generic enough to be used by
other clients, it's much easier to rename virsh specific data to virshX
than doing this vice versa. It moved generic virsh commands (including info
and opts structures) to generic module vsh.c.
Besides renaming methods and structures, this patch also involves introduction
of a client specific control structure being referenced as private data in the
original control structure, introduction of a new global vsh Initializer,
which currently doesn't do much, but there is a potential for added
functionality in the future.
Lastly it introduced client hooks which are especially necessary during
client connecting phase.
This will allow us to use vshError() to report errors from inside
vshCommandOpt*(), instead of replicating the same logic and error
messages all over the place.
We also have more context inside the vshCommandOpt*() functions,
for example the actual value used on the command line, which means
we can produce more detailed error messages.
vshCommandOptBool() is the exception here, because it's explicitly
designed not to report any error.
Commit a0670ae caused a regression in 'virsh event' and
'virsh qemu-monitor-event' - if a user tries to filter the
command to a specific domain, an error message is printed:
$ virsh event dom --loop
error: internal error: virsh qemu-monitor-event: no domain VSH_OT_DATA option
and then the command continues as though no domain had been
supplied (giving events for ALL domains, instead of the
requested one). This is because the code was incorrectly
assuming that all "domain" options would be supplied via a
mandatory VSH_OT_DATA, even though "domain" is optional for
these two commands, so we had changed them to VSH_OT_STRING
to quit failing for other reasons (ever since it was decided
that VSH_OT_DATA and VSH_OT_STRING should no longer be
synonyms).
In looking at the situation, though, the code for looking up
a domain was making a pointless check for whether the option
exists prior to finding the option's string value, as
vshCommandOptStringReq does just fine at reporting any errors
when looking up a string whether or not the option was present.
So this is a case of regression fixing by pure code deletion :)
* tools/virsh-domain.c (vshCommandOptDomainBy): Drop useless filter.
* tools/virsh-interface.c (vshCommandOptInterfaceBy): Likewise.
* tools/virsh-network.c (vshCommandOptNetworkBy): Likewise.
* tools/virsh-nwfilter.c (vshCommandOptNWFilterBy): Likewise.
* tools/virsh-secret.c (vshCommandOptSecret): Likewise.
* tools/virsh.h (vshCmdHasOption): Drop unused function.
* tools/virsh.c (vshCmdHasOption): Likewise.
Signed-off-by: Eric Blake <eblake@redhat.com>
When editing a domain with 'virsh edit' and failing validation, the
usual message pops up:
Failed. Try again? [y,n,f,?]:
Turning off validation can be useful, mainly for testing (but other
purposes too), so this patch adds support for relaxing definition in
virsh-edit and makes 'virsh edit <domain>' more usable.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Expose the new flag just added to virDomainGetBlockJobInfo.
With --raw, the presence or absence of --bytes determines which
flag to use in the single API call. Without --raw, the use of
--bytes forces an error if the server doesn't support it,
otherwise, the code tries to silently fall back to scaling the
MiB/s value.
My goal is to eventually also support --bytes in bandwidth mode;
but that's a bit further down the road (and needs a new API flag
added in libvirt.h first).
This changes the human output, but the previous patch added
raw output precisely so that we can have flexibility with the
human output. For this commit, I used qemu-monitor-command to
force an unusual bandwidth, but the same will be possible once
qemu implements virDomainBlockCopy:
Before:
Block Copy: [100 %] Bandwidth limit: 2 MiB/s
After:
Block Copy: [100 %] Bandwidth limit: 1048577 bytes/s (1.000 MiB/s)
The cache avoids having to repeatedly checking whether the flag
works when talking to an older server, when multiple blockjob
commands are issued during a batch session and the user is
manually polling for job completion.
* tools/virsh.h (_vshControl): Add a cache.
* tools/virsh.c (cmdConnect, vshReconnect): Initialize the cache.
* tools/virsh-domain.c (opts_block_job): Add --bytes.
* tools/virsh.pod (blockjob): Document this.
Signed-off-by: Eric Blake <eblake@redhat.com>
