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* tools/virsh.c (vshCmdOptType): Add VSH_OT_ARGV. Delete
unused VSH_OT_NONE.
(vshCmddefGetData): Special case new opt flag.
(vshCmddefHelp): Display help for argv.
(vshCommandOptArgv): New function.
This makes 'virsh --conn test:///default help help' work right;
previously, the abbreviation confused our hand-rolled option parsing.
* tools/virsh.c (vshParseArgv): Use getopt_long feature, rather
than (incorrectly) reparsing options ourselves.
Some users may type command like this at the virsh shell:
virsh # somecmd 'some arg'
because they often use single quote in linux shell.
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Old virsh command parsing mashes all the args back into a string and
miss the quotes, this patches fix it. It is also needed for introducing
qemu-monitor-command which is very useful.
This patches uses the new vshCommandParser abstraction and adds
vshCommandArgvParse() for arguments vector, so we don't need
to mash arguments vector into a command sting.
And the usage was changed:
old:
virsh [options] [commands]
new:
virsh [options]... [<command_string>]
virsh [options]... <command> [args...]
So we still support commands like:
"define D.xml; dumpxml D" was parsed as a commands-string.
and support commands like:
we will not mash them into a string, we use new argv parser for it.
But we don't support the command like:
"define D.xml; dumpxml" was parsed as a command-name, but we have no such command-name.
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
add vshCommandParser and make vshCommandParse() accept different
parsers.
the current code for parse command string is integrated as
vshCommandStringParse().
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
in old code the following commands are equivalent:
virsh # dumpxml --update-cpu=vm1
virsh # dumpxml --update-cpu vm1
because the old code split the option argument into 2 parts:
--update-cpu=vm1 is split into update-cpu and vm1,
and update-cpu is a boolean option, so the parser takes vm1 as another
argument, very strange.
after this patch applied, the first one will become illegal.
To achieve this, we don't parse/check options when parsing command sting,
but check options when parsing a command argument. And the argument is
not split when parsing command sting.
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
* tools/virsh.c (malloc, calloc, realloc, strdup): Enforce that
within this file, we use the safe vsh wrappers instead.
(cmdNodeListDevices, cmdSnapshotCreate, main): Fix violations of
this policy.
In origin code, double quote is only allowed at the begin or end
"complicated argument"
--some_opt="complicated string" (we split this argument into 2 parts,
option and data, the data is "complicated string").
This patch makes it allow double quote at any position of
an argument:
complicated" argument"
complicated" "argument
--"some opt=complicated string"
This patch is also needed for the following patches,
the following patches will not split option argument into 2 parts,
so we have to allow double quote at any position of an argument.
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
The command helps to control the memory/swap parameters for the system, for
eg. hard_limit (max memory the vm can use), soft_limit (limit during memory
contention), swap_hard_limit(max swap the vm can use)
cmdAttachInterface and cmdAttachDisk still used vshRealloc and sprintf
for generating XML, which is hardly maintainable. Let's get rid of this
old code.
Unless --driver tap|file option was given to attach-disk, virsh would
generate <disk type='block'> XML which might be fine for Xen but not for
other hypervisors. This patch introduces a new option --sourcetype which
can be used to explicitly set the type of disk source. The option
accepts either "file" or "block" types.
Virsh shouldn't check for driver support but rather let the backend handled this.
After removing the check, I can successfully attach file-based images to a qemu
VM with attach-disk.
% virsh attach-disk vm2 /images/test02.img vdc --driver qemu --type disk --subdriver raw
Disk attached successfully
This command generates the following XML:
<disk type='block' device='disk'>
<driver name='qemu' type='raw'/>
<source dev='/images/test02.img'/>
<target dev='vdc' bus='virtio'/>
<alias name='virtio-disk2'/>
<address type='pci' domain='0x0000' bus='0x00' slot='0x09' function='0x0'/>
</disk>
Signed-off-by: Ryan Harper <ryanh@us.ibm.com>
it was using atoi direct without checking leading to confusion
in case of flag error for example with -c
* tools/virsh.c: vshParseArgv() use virStrToLong_i and remove the
unchecked atoi used to parse teh parameter
After playing around with virsh setmaxmem for a bit,
I ran into some surprising behavior; if a hypervisor does
not support the virDomainSetMaxMemory() API, but the value
specified for setmaxmem is less than the current amount
of memory in the domain, the domain would be ballooned
down *before* an error was reported.
To make this more consistent, run virDomainSetMaxMemory()
before trying to shrink; that way, if an error is thrown,
no changes to the running domain are made.
Signed-off-by: Chris Lalancette <clalance@redhat.com>
The virsh command "setmem" takes as input a number that
should represent an unsigned long number of kilobytes. Fix
cmdSetmem to properly parse this as an unsigned long instead
of an int.
Signed-off-by: Chris Lalancette <clalance@redhat.com>
The virsh option error reporting was not being used
consistently; some commands would spit out errors on
missing required options while others would just silently fail.
However, vshCommandOptString knows which ones are required
and which ones aren't, so make it spit out an error where
appropriate. The rest of the patch is just cleaning up
the uses of vshCommandOptString to deal with the new error
reporting.
Signed-off-by: Chris Lalancette <clalance@redhat.com>
When printing out size_t, we need to use %zu to make sure it
will continue to compile on both 32-bit and 64-bit platforms.
Signed-off-by: Chris Lalancette <clalance@redhat.com>
vshMalloc and friends always exit() on allocation failure,
so there is no reason to do checking for NULL in the code
that uses it.
Signed-off-by: Chris Lalancette <clalance@redhat.com>
This patch adds a new --details option to the virsh vol-list
command, making its output more useful when many luns are
present.
Addresses BZ # 605543
https://bugzilla.redhat.com/show_bug.cgi?id=605543
https://bugzilla.redhat.com/show_bug.cgi?id=609044 complained
that 'virsh help pool-create-as' didn't document the shortcut
that you can do 'virsh pool-create-as $name $type --target $target'
rather than having to supply the four optional source- arguments
in order to fill out the necessary positional arguments.
This one-liner changes the help output to hopefully make this more obvious:
NAME
pool-create-as - create a pool from a set of args
SYNOPSIS
pool-create-as <name> [--print-xml] <type> [<source-host>] [<source-path>] [<source-dev>] [<source-name>] [<target>] [--source-format <string>]
DESCRIPTION
Create a pool.
OPTIONS
[--name] <string> name of the pool
--print-xml print XML document, but don't define/create
[--type] <string> type of the pool
[--source-host] <string> source-host for underlying storage
[--source-path] <string> source path for underlying storage
[--source-dev] <string> source device for underlying storage
[--source-name] <string> source name for underlying storage
[--target] <string> target for underlying storage
--source-format <string> format for underlying storage
* tools/virsh.c (vshCmddefHelp): Make it more obvious that data
arguments may, but not must, be specified by option leaders.
This patch adds a new --details option to the virsh pool-list
command, making its output more useful to people who use virsh
for significant lengths of time.
Addresses BZ # 605543
https://bugzilla.redhat.com/show_bug.cgi?id=605543
http://bugzilla.redhat.com/601143, part 1 - document existing
behavior. Ever since Mar 2010 (commit ced154cb), the use of
'attach-disk' or 'attach-device' to change cdrom/floppy media has been
documented but deprecated, but the replacement to use 'update-device'
was not documented.
* tools/virsh.c (cmdAttachInterface, cmdAttachDisk): Fix bad error
message.
* tools/virsh.pod (attach-device, attach-disk): Refer to
update-device for cdrom and floppy behavior.
(update-device): Add documentation.
This patch adds the persistence status (yes/no) to the output of the virsh
dominfo and pool-info commands. This patch also adds the autostart status
to the output of the virsh pool-info command.
Red Hat BZ for this:
https://bugzilla.redhat.com/show_bug.cgi?id=603696
Presently the vol-key command only supports being provided with
a volume path.
This patch adds support for providing it with a pool and volume
identifier pair as well.
virsh # vol-key --pool <pool-name-or-uuid> <vol-name-or-path>
Make 'start --paused' mirror 'create --paused'.
* tools/virsh.c (cmdStart): Use new virDomainCreateWithFlags API
when needed.
* tools/virsh.pod (start): Document --paused.
This patch adds two new parameters to the vol-create-as command:
--backing-vol <volume-name-or-key-or-path>
--backing-vol-format <format-of-backing-vol>
virsh # vol-create-as guest_images_lvm snapvol1 5G --backing-vol \
rhel6vm1lun1
Vol snapvol1 created
virsh # vol-create-as image_dir qcow2snap2 5G --format qcow2 \
--backing-vol imagevol1.qcow2 \
--backing-vol-format qcow2
Vol qcow2snap2 created
Additionally, the virsh man page update fixes incorrect snapshot
parameters that were included in my prior bulk volume command patch.
