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https://bugzilla.redhat.com/show_bug.cgi?id=1330940
The virsh command 'domblkinfo' returns the capacity, allocation and phisycal
size of the devices attached in a domain. Usually, this sizes are very big
and hard to understand and calculate. This commits introduce a human readable
support to check the size of each field easilly.
For example, the command before:
virsh # domblkinfo my_domain hda
Capacity: 21474836480
Allocation: 14875545600
Physical: 21474836480
and after this patch:
virsh # domblkinfo my_domain hda --human
Capacity: 20.000G
Allocation: 13.900G
Physical: 20.000G
Signed-off-by: Julio Faracco <jcfaracco@gmail.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
virDomainFree has it's quirks (does not like NULL pointers, resets
libvirt errors). Replace it by a virsh helper which will allow us to
centrally fix issues with it.
The syntax-check rule will prohibit new uses of virDomainFree.
Move virshLookupDomainBy, virshCommandOptDomainBy and
virshCommandOptDomainBy to the helper file. Additionally turn the
virshCommandOptDomainBy macro into a function.
QEMU reports timestamp along with other memory statistics, but this information is not saved into domain statistics.
It could be useful to determine if the data reported is fresh or not.
Balloon statistics are not reported in hrf, so no modifications are made in qemu_monitor_text.c.
Signed-off-by: Derbyshev Dmitry <dderbyshev@virtuozzo.com>
'memtotal' in virtio drivers and qemu corresponds to 'available' in libvirt.
Because of that, 'stat-available-memory' is renamed into 'usable'.
Balloon statistics are not reported in hrf, so no modifications are made in qemu_monitor_text.c.
Signed-off-by: Derbyshev Dmitry <dderbyshev@virtuozzo.com>
VIR_DOMAIN_EVENT_SUSPENDED_POSTCOPY and VIR_DOMAIN_PAUSED_POSTCOPY are
used on the source host once migration enters post-copy mode (which
means the domain gets paused on the source. After the destination host
takes over the execution of the domain, its virtual CPUs are resumed and
the domain enters VIR_DOMAIN_RUNNING_POSTCOPY state and
VIR_DOMAIN_EVENT_RESUMED_POSTCOPY event is emitted.
In case migration fails during post-copy mode and none of the hosts have
complete state of the domain, both domains will remain paused with
VIR_DOMAIN_PAUSED_POSTCOPY_FAILED reason and an upper layer may decide
what to do.
Signed-off-by: Jiri Denemark <jdenemar@redhat.com>
We are getting the list of domains and after that we iterate over
the list and try to get status for each domain hoping it will
skip over domains that disappeared meanwhile. However, this
solution to race is bogus - domain may disappear right after we
have checked its state and before we exec another API over it
(e.g. virDomainHasManagedSaveImage()). Also, when printing just
names or uuids (list --name / --uuid) we issue APIs to obtain the
values, however these require no RPC call as all requested info
is in virDomain object that client already has.
Therefore move the status obtaining only to the place that really
needs it.
Signed-off-by: Michal Privoznik <mprivozn@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>
Due to the default of flags is VIR_CONNECT_LIST_DOMAINS_ACTIVE,
It doesn't show the domains that have been shutdown when we use
'virsh list' with only --state-shutoff.
Signed-off-by: Wei Jiangang <weijg.fnst@cn.fujitsu.com>
Our domain_conf.* files are big enough. Not only they contain XML
parsing code, but they served as a storage of all functions whose
name is virDomain prefixed. This is just wrong as it gathers not
related functions (and modules) into one big file which is then
harder to maintain. Split virDomainObjList module into a separate
file called virdomainobjlist.[ch].
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Let's move some variables from an inside loop to global function
declaration header block. It's going to be easier for next
patches. At the same time, order the cleanup calls at the
function's end so it's easier to track which variables are freed
and which not.
Signed-off-by: Michal Privoznik <mprivozn@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.
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.
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
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.
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>
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>
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>
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>
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>
According to docs, we only support 2 link states for an interface
up/down, 'up' being the default state if link state is unspecified in
domain's XML, so the message when no link state is provided should be
changed a little.
Resolves: https://bugzilla.redhat.com/show_bug.cgi?id=1141119
Previously when a domain would get stuck in a domain job due to a
programming mistake we'd report the following control state:
$ virsh domcontrol domain
occupied (1424343406.150s)
The timestamp is invalid as the monitor was not entered for that domain.
We can use that to detect that the domain has an active job and report a
better error instead:
$ virsh domcontrol domain
error: internal (locking) error
A disk using a source pool is listed as having a source '-' in domblklist
because it doesn't check the right XML syntax to find the source.
Add a check for "./source/volume" which is where the "path" (of sorts)
to the volume name is described.
Commit 6b9964 enforces checking invalid use of VSH_OT_STRING with
VSH_OFLAG_REQ. This commit tries to do the same thing to stop using
VSH_OT_DATA without VSH_OFLAG_REQ and also fix existing misuse.
Signed-off-by: Hao Liu <hliu@redhat.com>
This patch introduces access to allocation information about
a backing chain of a live domain. While querying storage
volumes for read-only disks could provide some of the details,
we do NOT want to read() a file while qemu is writing it.
Also, there is one case where we have to rely on qemu: when
doing a block commit into a backing file, where that file is
stored in qcow2 format on a host block device, we want to know
the current highest write offset into that image, in order to
know if the disk must be resized larger. qemu-img does not
(currently) show this information, and none of the earlier
block APIs were extensible enough to expose it. But
virDomainListGetStats is perfect for the job!
We don't need a new group of statistics, as the existing block
group is sufficient. On the other hand, as existing libvirt
releases already report 1:1 mapping of block.count to <disk>
devices, changing the array size could confuse older clients;
and even with newer clients, the time and memory taken to
report additional statistics is not always necessary (backing
files are generally read-only except for block-commit, so while
read statistics may change, sizing statistics will not). So
the choice here is to add a new flag that only newer callers
will pass, when they are prepared for the additional information.
This patch introduces the new API, but it will take more
patches to get it implemented for qemu.
* include/libvirt/libvirt-domain.h
(VIR_CONNECT_GET_ALL_DOMAINS_STATS_BACKING): New flag.
* src/libvirt-domain.c (virConnectGetAllDomainStats): Document it,
and add a new field when it is in use.
* tools/virsh-domain-monitor.c (cmdDomstats): Use new flag.
* tools/virsh.pod (domstats): Document it.
Signed-off-by: Eric Blake <eblake@redhat.com>
I noticed this while working on qemuDomainGetBlockInfo. Assigning
a bool value to an int variable compiles fine, but raises red flags
on the maintenance front as it becomes too easy to assign -1 or 2
or any other non-bool value to the same variable.
* cfg.mk (sc_prohibit_int_assign_bool): New rule.
* src/conf/snapshot_conf.c (virDomainSnapshotRedefinePrep): Fix
offenders.
* src/qemu/qemu_driver.c (qemuDomainGetBlockInfo)
(qemuDomainSnapshotCreateXML): Likewise.
* src/test/test_driver.c (testDomainSnapshotAlignDisks):
Likewise.
* src/util/vircgroup.c (virCgroupSupportsCpuBW): Likewise.
* src/util/virpci.c (virPCIDeviceBindToStub): Likewise.
* src/util/virutil.c (virIsCapableVport): Likewise.
* tools/virsh-domain-monitor.c (cmdDomMemStat): Likewise.
* tools/virsh-domain.c (cmdBlockResize, cmdScreenshot)
(cmdInjectNMI, cmdSendKey, cmdSendProcessSignal)
(cmdDetachInterface): Likewise.
Signed-off-by: Eric Blake <eblake@redhat.com>
When the list of domains is fetched and being printed, but in the
meantime one domain was undefined before its status was fetched, the
output then includes domain with "no state". With this patch, such
domain is skipped over as consecutive 'virsh list --all' (or the same
one ran a second later) wouldn't list it anyway.
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
Clean up all _virDomainMemoryStat.
Signed-off-by: James <james.wangyufei@huawei.com>
Signed-off-by: Wang Rui <moon.wangrui@huawei.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Clean up all _virDomainBlockStats.
Signed-off-by: James <james.wangyufei@huawei.com>
Signed-off-by: Wang Rui <moon.wangrui@huawei.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Clean up all _virDomainInterfaceStats.
Signed-off-by: Wang Yufei <james.wangyufei@huawei.com>
Signed-off-by: Wang Rui <moon.wangrui@huawei.com>
Signed-off-by: Eric Blake <eblake@redhat.com>
Add "domstats" command that excercises both of the new APIs depending if
you specify a domain list or not. The output is printed as a key=value
list of the returned parameters.
Commit d5c86278 was incomplete; other functions also triggered
compiler warnings about collisions in the use of 'sync'.
* src/qemu/qemu_driver.c (qemuDomainSetTime): Fix another client.
* tools/virsh-domain-monitor.c (cmdDomTime): Likewise.
Signed-off-by: Eric Blake <eblake@redhat.com>
These APIs are exposed under new virsh command 'domtime' which both gets
and sets (not at the same time of course :)).
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Use 'virsh list domain --title' option can get domain's title,
not description, the original help information 'show short
domain description' will confuse users, so modify it to
'show domain title'
Signed-off-by: Li Yang <liyang.fnst@cn.fujitsu.com>
Commit a1cbe4b5 added a check for spaces around assignments and this
patch extends it to checks for spaces around '=='. One exception is
virAssertCmpInt where comma after '==' is acceptable (since it is a
macro and '==' is its argument).
Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
