Commit Graph

1417 Commits

Author SHA1 Message Date
Ján Tomko
9bcadfabaa virsh: add set-user-password command
Expose the virDomainSetUserPassword API in virsh:
virsh set-user-password dom user 123456
2015-05-21 16:21:55 +02:00
Andrea Bolognani
8e2c5940cd virsh: Improve handling of send-process-signal --pid.
Use vshCommandOptLongLong() instead of retrieving the value as a
string and converting it to a number manually.
2015-05-18 10:50:06 +02:00
Andrea Bolognani
2f4a45a25e virsh: Fix dommemstat --period option type.
The option didn't have VSH_OT_INT type even thought it's expected
to be numeric, as shown by the fact that vshCommandOptInt() is later
used to retrieve its value.
2015-05-18 10:50:06 +02:00
Andrea Bolognani
449316701b virsh: Improve error message on integer value parsing failure.
Replace more than 30 ad-hoc error messages with a single, generic one
that contains the name of the option being processed and some hints
to help the user understand what could have gone wrong.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1207043
2015-05-18 10:50:06 +02:00
Luyao Huang
60107346a4 virsh: Report an error when cpulist parsing fails
When parsing a cpulist, the virBitmapParse is used. On an invalid
bitmap an error is reported, but the error gets cleared
immediately by subsequent public APIs call, e.g. virDomainFree().
Moreover, we don't check whether bitmap fits into maximal CPU ID
on the host. Therefore the following examples failed without any
error:

 # virsh vcpupin test3 1 aaa

 # virsh vcpupin test3 1 1000

Signed-off-by: Luyao Huang <lhuang@redhat.com>
2015-05-14 14:16:07 +02:00
Michal Privoznik
64e070e8fe libvirt-guests: Initialize SYNC_TIME
https://bugzilla.redhat.com/show_bug.cgi?id=1191227

Since 0fa15b19 we have this variable SYNC_TIME which allows users to
synchronize time on domain resume. However, despite what documentation
says, it's by default on because it's never initialized. Fix this by
setting it to zero at the beginning of the libvirt-guests script.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2015-05-12 08:53:14 +02:00
Peter Krempa
a5e89ae16e util: Make the virDomainListFree helper more universal
Extend it to a universal helper used for clearing lists of any objects.
Note that the argument type is specifically void * to allow implicit
typecasting.

Additionally add a helper that works on non-NULL terminated arrays once
we know the length.
2015-05-11 08:28:53 +02:00
Jiri Denemark
05cda3d3a4 virsh: Don't check migrate parameters
Just pass anything a user specified to the appropriate API. It's the API
or libvirtd that should be responsible for checking its parameters.

https://bugzilla.redhat.com/show_bug.cgi?id=1066375
https://bugzilla.redhat.com/show_bug.cgi?id=1073233

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
2015-05-04 15:06:33 +02:00
Luyao Huang
3dae162db7 tools: fix the wrong check when use virsh setvcpus --maximum
The --maximum option wasn't properly parsed and the equivalent flag
wasn't set.  Fix this bug and also rewrite the way we check this option
by using new macro.  The new approach is that --maximum requires
--config, no other combination is allowed, because they don't make sense.

The new error will be:

 # virsh setvcpus test --maximum 10
 error: Option --config is required by option --maximum

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1204033

Signed-off-by: Luyao Huang <lhuang@redhat.com>
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
2015-05-04 10:26:57 +02:00
Pavel Hrdina
170fb72c70 virsh: introduce new macros to help check flag requirements
Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
2015-05-04 09:20:01 +02:00
John Ferlan
1f7e811249 virsh: Add iothreadadd and iothreaddel commands
https://bugzilla.redhat.com/show_bug.cgi?id=1161617

Add command to allow adding and removing IOThreads from the domain including
the configuration and live domain.

$ virsh iothreadadd --help
  NAME
    iothreadadd - add an IOThread to the guest domain

  SYNOPSIS
    iothreadadd <domain> <id> [--config] [--live] [--current]

  DESCRIPTION
    Add an IOThread to the guest domain.

  OPTIONS
    [--domain] <string>  domain name, id or uuid
    [--id] <number>  iothread for the new IOThread
    --config         affect next boot
    --live           affect running domain
    --current        affect current domain

$ virsh iothreaddel --help
  NAME
    iothreaddel - delete an IOThread from the guest domain

  SYNOPSIS
    iothreaddel <domain> <id> [--config] [--live] [--current]

  DESCRIPTION
    Delete an IOThread from the guest domain.

  OPTIONS
    [--domain] <string>  domain name, id or uuid
    [--id] <number>  iothread_id for the IOThread to delete
    --config         affect next boot
    --live           affect running domain
    --current        affect current domain

Assuming a running $dom with multiple IOThreads assigned and that
that the $dom has disks assigned to IOThread 1 and IOThread 2:

$ virsh iothreadinfo $dom
 IOThread ID     CPU Affinity
 ---------------------------------------------------
  1               2
  2               3
  3               0-1

$ virsh iothreadadd $dom 1
error: invalid argument: an IOThread is already using iothread_id '1' in iothreadpids

$ virsh iothreadadd $dom 1 --config
error: invalid argument: an IOThread is already using iothread_id '1' in persistent iothreadids

$ virsh iothreadadd $dom 4
$ virsh iothreadinfo $dom
 IOThread ID     CPU Affinity
 ---------------------------------------------------
  1               2
  2               3
  3               0-1
  4               0-3

$ virsh iothreadinfo $dom --config
 IOThread ID     CPU Affinity
 ---------------------------------------------------
  1               2
  2               3
  3               0-1

$ virsh iothreadadd $dom 4 --config
$ virsh iothreadinfo $dom --config
 IOThread ID     CPU Affinity
  ---------------------------------------------------
    1               2
    2               3
    3               0-1
    4               0-3

Assuming the same original configuration

$ virsh iothreaddel $dom 1
error: invalid argument: cannot remove IOThread 1 since it is being used by disk 'vde'

$ virsh iothreaddel $dom 3

$ virsh iothreadinfo $dom
 IOThread ID     CPU Affinity
 ---------------------------------------------------
  1               2
  2               3

$ virsh iothreadinfo $dom --config
 IOThread ID     CPU Affinity
 ---------------------------------------------------
  1               2
  2               3
  3               0-1
2015-04-27 12:36:36 -04:00
Jiri Denemark
aa9f139599 migration: Usable time statistics without requiring NTP
virDomainGetJobStats is able to report statistics of a completed
migration, however to get usable downtime and total time statistics both
hosts have to keep synchronized time. To provide at least some
estimation of the times even when NTP daemons are not running on both
hosts we can just ignore the time needed to transfer a migration cookie
to the destination host. The result will be also inaccurate but a bit
more predictable. The total/down time will just be at least what we
report.

https://bugzilla.redhat.com/show_bug.cgi?id=1213434
2015-04-24 15:02:00 +02:00
Ján Tomko
1882c0bd8d Add VIR_DOMAIN_EVENT_ID_DEVICE_ADDED event
The counterpart to VIR_DOMAIN_EVENT_ID_DEVICE_REMOVED.

https://bugzilla.redhat.com/show_bug.cgi?id=1206114
2015-04-15 17:06:01 +02:00
Eric Blake
31ef0836a7 virsh: fix regression in 'virsh event' by domain
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>
2015-04-15 08:13:53 -06:00
Shanzhi Yu
8ff9f2457d virsh: improve the error for wrong memtune parameters
When set guest memory with a invalid parameter of --soft-limit,
it posts weird error:

$ virsh memtune r7 --hard-limit 20417224 --soft-limit 9007199254740992 \
  --swap-hard-limit 35417224
error: Unable to parse integer parameter 'NAME

Change it to

error: Unable to parse integer parameter soft-limit

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1211550
Signed-off-by: Shanzhi Yu <shyu@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
2015-04-14 13:48:29 +02:00
Ján Tomko
ff6d2314d8 Rewrite vshParseCPUList
Use virBitmap helpers that were added after this function.

Change cpumaplen to int and fill it out by this function.
2015-04-13 17:20:59 +02:00
Ján Tomko
4c4b821ec3 Rewrite vshPrintPinInfo
Use virBitmapDataToString instead of constructing the ranges bit
by bit, remove the checking of parameters (that is already done
by the callers).

Let the callers choose the right bitmap, since there's only
one that uses this helper on a matrix-in-an-array.
2015-04-13 17:20:59 +02:00
Cole Robinson
e3aa4c91c8 virsh: Improve change-media success message
$ sudo virsh change-media f19 hdc /mnt/data/devel/media/Fedora-16-x86_64-Live-KDE.iso
succeeded to complete action update on media

Change the message to:

  Successfully {inserted,ejected,changed} media.

https://bugzilla.redhat.com/show_bug.cgi?id=967946
2015-04-06 16:32:31 -04:00
Jiri Denemark
6b55c18f52 virsh.pod: Remove redundant --config from attach-interface
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
2015-04-03 14:58:02 +02:00
Luyao Huang
156fde0b1a virsh: Fix domifaddr output in quiet mode
In virsh we have two printing functions: vshPrint() which prints a
string onto stdout and vshPrintExtra() which does not print anything
if virsh is run in quiet mode. Usually, the former is used to print
actual results, while the latter to print strings like table headers
and other formatting stuff. However, in cmdDomIfAddr we have
mistakenly used vshPrintExtra even for actual data. After this patch,
the output should look like the following:

  # virsh -q domifaddr test3 --source agent
  lo         00:00:00:00:00:00    ipv4         127.0.0.1/8
  -          -                    ipv6         ::1/128
  ens8       52:54:00:1a:cb:3f    ipv6         fe80::5054:ff:fe1a:cb3f/64
  virbr0     52:54:00:db:51:e7    ipv4         192.168.122.1/24
  virbr0-nic 52:54:00:db:51:e7    N/A          N/A

Signed-off-by: Luyao Huang <lhuang@redhat.com>
2015-04-03 12:23:03 +02:00
Martin Kletzander
2a15fef067 Typos: Get rid of dependan(t|cies)
Dependant is flagged as wrong in US dictionary (only valid in UK
dictionary, and even then, it has only the financial sense and not the
inter-relatedness sense that we are more prone to be wanting throughout
code).

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
2015-04-02 16:05:32 +02:00
Luyao Huang
20aca080f3 qemuDomainBlockCopy: Check @granularity to be a power of two
https://bugzilla.redhat.com/show_bug.cgi?id=1206479

As described in virDomainBlockCopy() parameters description, the
VIR_DOMAIN_BLOCK_COPY_GRANULARITY parameter may require the value to
have some specific attributes (e.g. be a power of two or fall within a
certain range). And in qemu, a power of two is required. However, our
code does not check that and let qemu operation fail. Moreover, the
virsh man page is not as exact as it could be in this respect.

Signed-off-by: Luyao Huang <lhuang@redhat.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2015-04-02 11:12:01 +02:00
Ján Tomko
d64cd4a4c6 Fix indentation in cmdVcpuPin 2015-04-02 10:57:01 +02:00
Ján Tomko
d647ed858e virsh: remove stale comment
Copied from the vcpupin command, which has two modes of operation.
2015-04-02 10:46:30 +02:00
Ján Tomko
15e61034a5 Remove unnecessary includes from virsh.h
Include them in the files that need them instead.
2015-04-02 10:27:56 +02:00
Ján Tomko
8995e91b5f Remove unused includes from virsh
After splitting out most of virsh command, some includes
are no longer needed.

Some files have the libXML includes despite not needing them.
2015-04-02 10:27:56 +02:00
Luyao Huang
390f218b83 virsh: blockCopy: Add missing jump on error path
The overflow check for the bandwidth parameter did not jump to the
cleanup label.

Additionally virsh should use vshError instead of virReportError.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1206987

Signed-off-by: Luyao Huang <lhuang@redhat.com>
2015-03-30 16:42:22 +02:00
Eric Blake
75d56f51f7 build: avoid variable named 'interface', for mingw
Commit 2f36e6944 (re-)introduced a use of an identifier 'interface',
which causes this build failure on mingw:

../../tools/virsh-domain-monitor.c: In function 'cmdDomIfAddr':
../../tools/virsh-domain-monitor.c:2233:17: error: expected identifier or '(' before 'struct'
     const char *interface = NULL;
                      ^

See also commit 6512c8b.  Sadly, I'm not quite sure how to write a
syntax check that can poison the use of this identifier.

* tools/virsh-domain-monitor.c (cmdDomIfAddr): Use ifacestr instead.

Signed-off-by: Eric Blake <eblake@redhat.com>
2015-03-28 14:12:55 -06:00
Ján Tomko
a96b68e7a4 Rename DomainGetIOThreadsInfo to DomainGetIOThreadInfo
While it returns info about multiple threads, the version
without the plural is easier to read.
2015-03-26 16:11:10 +01:00
Ján Tomko
cf8b828a72 Rename virDomainIOThreadsInfoFree to virDomainIOThreadInfoFree
This function only frees the info for one thread.
2015-03-26 16:11:10 +01:00
Ján Tomko
fa67489d76 virsh: rename iothreadsinfo to iothreadinfo
The plural seems unnecessary.
2015-03-26 13:49:49 +01:00
Ján Tomko
e600a37d27 Document that USB hostdevs do not need nodeDettach
The virNodeDeviceDettach API only works on PCI devices.

Originally added by commit 10d3272e, but the API never
supported USB devices.

Reported by: Martin Polednik <mpolednik@redhat.com>
2015-03-25 08:42:21 +01:00
Martin Kletzander
0e7457e501 Fix common misspellings
Wikipedia's list of common misspellings [1] has a machine-readable
version.  This patch fixes those misspellings mentioned in the list
which don't have multiple right variants (as e.g. "accension", which can
be both "accession" and "ascension"), such misspellings are left
untouched.  The list of changes was manually re-checked for false
positives.

[1] https://en.wikipedia.org/wiki/Wikipedia:Lists_of_common_misspellings/For_machines

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
2015-03-23 09:01:30 +01:00
Jiri Denemark
18441ab914 Use PAUSED state for domains that are starting up
When libvirt is starting a domain, it reports the state as SHUTOFF until
it's RUNNING. This is not ideal because domain startup may take a long
time (usually because of some configuration issues, firewalls blocking
access to network disks, etc.) and domain lists provided by libvirt look
awkward. One can see weird shutoff domains with IDs in a list of active
domains or even shutoff transient domains. In any case, it looks more
like a bug in libvirt than a normal state a domain goes through.

Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
2015-03-18 10:08:22 +01:00
Michal Privoznik
0aff8fa829 cmdDomIfAddr: Free @ip_addr_str
The variable holds formatted suffix to each line printed out
(address type, address and prefix). However, the variable is
never freed. At the same time, honour fact, that data held in
the variable is not constant.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2015-03-18 09:13:53 +01:00
Michal Privoznik
50780207ef virsh: Adapt to new HW address scenario
Make sure we don't print (null) (which in fact is printf()'s
cleverness anyway, not ours). If no HW address is present, print
"N/A" string just like we do for other fields.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
2015-03-18 09:12:52 +01:00
Peter Krempa
f4b5f53027 virsh: domain: Fix the change-media command
The command did not modify the disk type and thus didn't allow to change
media from a file image to a block backed image or vice versa. In
addition when operating on a network backed removable devices the
command would replace the while <source> subelement with an invalid one.

This patch adds the --block option that allows to specify that the new
image is block backed and assumes that without that option all images
are file backed. Since network backends were always mangled it should
not cause problems.
2015-03-17 17:11:37 +01:00
Peter Krempa
4cbcaffb74 virsh: domain: Add --print-xml flag for command change-media
Allow printing the XML that would be used mostly for debugging purposes.
2015-03-17 17:11:37 +01:00
Peter Krempa
1cc820937a virsh: domain: Don't use vshPrepareDiskXML for creating XML to detach disk
Since cmdDetachDisk() calls into vshPrepareDiskXML() with
type == VSH_PREPARE_DISK_XML_NONE && source == NULL this would result
into skipping all the checks and effectively turn the function into a
XML formatter.

This patch changes the code to use the formatter directly so that the
function can be refactored in a easier way.
2015-03-17 17:11:37 +01:00
Nehal J Wani
2f36e6944e domifaddr: Add virsh support
tools/virsh-domain-monitor.c
   * Introduce new command : domifaddr
     Usage: domifaddr <domain> [interface] [--full] [--source lease|agent]

     Example outputs:
     virsh # domifaddr f20
     Name       MAC address          Protocol     Address
     -------------------------------------------------------------------------------
     lo         00:00:00:00:00:00    ipv4         127.0.0.1/8
     -          -                    ipv6         ::1/128
     vnet0      52:54:00:2e:45:ce    ipv4         10.1.33.188/24
     -          -                    ipv6         2001:db8:0:f101::2/64
     -          -                    ipv6         fe80::5054:ff:fe2e:45ce/64
     vnet1      52:54:00:b1:70:19    ipv4         192.168.105.201/16
     -          -                    ipv4         192.168.201.195/16
     -          -                    ipv6         fe80::5054:ff:feb1:7019/64
     vnet2      52:54:00:36:2a:e5    N/A          N/A
     vnet3      52:54:00:20:70:3d    ipv4         192.168.105.240/16
     -          -                    ipv6         fe80::5054:ff:fe20:703d/64

     virsh # domifaddr f20 eth1 --source lease
     Name       MAC address          Protocol     Address
     -------------------------------------------------------------------------------
     vnet1      52:54:00:b1:70:19    ipv4         192.168.105.201/16
     -          -                    ipv4         192.168.201.195/16
     -          -                    ipv6         fe80::5054:ff:feb1:7019/64

     virsh # domifaddr f20 eth0 --source agent --full
     Name       MAC address          Protocol     Address
     -------------------------------------------------------------------------------
     eth0       52:54:00:2e:45:ce    ipv4         10.1.33.188/24
     eth0       52:54:00:2e:45:ce    ipv6         2001:db8:0:f101::2/64
     eth0       52:54:00:2e:45:ce    ipv6         fe80::5054:ff:fe2e:45ce/64

tools/virsh.pod
   * Document new command

Signed-off-by: Nehal J Wani <nehaljw.kkd1@gmail.com>
2015-03-17 15:15:39 +00:00
Pavel Hrdina
57f726a50b wireshark: fix VPATH build
Add $(top_builddir) paths to INCLUDES to fix VPATH build.

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
2015-03-17 11:49:28 +01:00
Pavel Hrdina
373973206a rpm-build: use pkg-config to detect wireshark presence
Wireshark supports pkg-config since 1.11.3.  Right now we build
wireshark-dissectior tool as default trough rpm build only on
fedora >= 21 and there is new wireshark that supports pkg-config.
If someone wants to build libvirt with wireshark-dissector against old
wireshark, they should specify the location by hand.

This patch is mainly to fix wrong dependency on wireshark binary as it
doesn't make sense to require that binary file to just get version info
of that package in makefile.

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
2015-03-16 22:58:54 +01:00
Eric Blake
ceec58ac9e virsh: fix report of non-active commit completion
Commit f182da20 (v1.2.6) caused a slight regression in virsh
reporting of a non-active block job; where it used to state
"Commit complete", it now states "Now in synchronized phase".
But the synchronized phase is only possible for an active commit.

For a reproducer, I created a chain 'a <- b <- c <- d <- e' and
ran virsh blockcommit $dom vda --top c --base a --verbose --wait

* tools/virsh-domain.c (cmdBlockCommit): Synchronized phase is
only possible on active commits.

Signed-off-by: Eric Blake <eblake@redhat.com>
2015-03-14 20:53:33 -06:00
John Ferlan
1cfc0a9990 virsh: Add iothreadpin command
https://bugzilla.redhat.com/show_bug.cgi?id=1135491

$ virsh iothread --help

  NAME
    iothreadpin - control domain IOThread affinity

  SYNOPSIS
    iothreadpin <domain> <iothread> <cpulist> [--config] [--live] [--current]

  DESCRIPTION
    Pin domain IOThreads to host physical CPUs.

  OPTIONS
    [--domain] <string>  domain name, id or uuid
    [--iothread] <number>  IOThread ID number
    [--cpulist] <string>  host cpu number(s) to set
    --config         affect next boot
    --live           affect running domain
    --current        affect current domain

Using the output from iothreadsinfo, allow changing the pinned CPUs for
a single IOThread.

$ virsh iothreadsinfo $dom
 IOThread ID    CPU Affinity
---------------------------------------------------
 1               2
 2               3
 3               0-1

$ virsh iothreadpin $dom 3 0-2

Then view the change

$ virsh iothreadsinfo $dom
 IOThread ID    CPU Affinity
---------------------------------------------------
 1               2
 2               3
 3               0-2

If an invalid value is supplied or require option missing,
then an error will be displayed:

$ virsh iothreadpin $dom 4 3
error: invalid argument: iothread value out of range 4 > 3

$ virsh iothreadpin $dom 3
error: command 'iothreadpin' requires <cpulist> option
2015-03-11 12:24:00 -04:00
Peter Krempa
e045587dda qemu: blockstats: Refactor qemuDomainBlockStatsFlags
Now that qemuDomainBlocksStatsGather provides functions of both
qemuMonitorGetBlockStatsParamsNumber and qemuMonitorGetBlockStatsInfo we
can reuse it and kill a lot of code.

Additionally as a bonus qemuDomainBlockStatsFlags will now support
summary statistics so add a statement to the virsh man page about that.

Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1142636
2015-03-11 11:28:04 +01:00
Pavel Hrdina
b7d027b6a8 net-define: update or unify documentation
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1127045

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
2015-03-09 14:48:38 +01:00
Pavel Hrdina
03369d9643 pool-define: update and unify documentation
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1127045

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
2015-03-09 14:47:53 +01:00
Pavel Hrdina
0632555927 iface-define: update and unify documentation
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1127045

Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
2015-03-09 14:47:07 +01:00
John Ferlan
a60f69dfb7 Fix syntax for vcpupin description 2015-03-09 06:41:44 -04:00
John Ferlan
f41a5b844f virsh: Add 'iothreadsinfo' command
Add the 'iothreadsinfo' command to display IOThread Info data. Allow for
[--live] or [--config] options in order to display live or config data
for an active domain.

$ virsh iothreadsinfo --help
  NAME
    iothreadsinfo - view domain IOThreads

  SYNOPSIS
    iothreadsinfo <domain> [--config] [--live] [--current]

  DESCRIPTION
    Returns basic information about the domain IOThreads.

  OPTIONS
    [--domain] <string>  domain name, id or uuid
    --config         affect next boot
    --live           affect running domain
    --current        affect current domain

An active domain may return:

$ virsh iothreads $dom
 IOThread ID     CPU Affinity
---------------------------------------------------
  1               2
  2               3
  3               0

$ echo $?
0

For domains which don't have IOThreads the following is returned:

$ virsh iothreads $dom
No IOThreads found for the domain

$ echo $?
0

For domains which are not running the following is returned:

$ virsh iothreads $dom --live
error: Unable to get domain IOThreads information
error: Requested operation is not valid: domain is not running

$ echo $?
1

Editing a domains configuration and modifying the iothreadpin data for
thread 3 from nothing provided to setting a cpuset of '0-1' and then
displaying using --config would display:

$ virsh iothreads f18iothr --config
 IOThread ID     CPU Affinity
 ----------------------------
  1               2
  2               3
  3               0-1

$

Signed-off-by: John Ferlan <jferlan@redhat.com>
2015-03-06 06:49:32 -05:00