[libvirt] [PATCH v2 2/4] conf: Reorder elements inside memballoon
Erik Skultety
eskultet at redhat.com
Mon Mar 16 13:10:23 UTC 2015
On 03/13/2015 05:17 PM, Martin Kletzander wrote:
> All the devices we have format their address as its last sub-element, so
> let's change memballoon to follow suit. Also adjust RNG to allow any
> order of them so 'virsh edit' doesn't shout at us.
>
> Signed-off-by: Martin Kletzander <mkletzan at redhat.com>
> ---
> docs/schemas/domaincommon.rng | 28 ++++++++++----------
> src/conf/domain_conf.c | 30 ++++++++++------------
> .../qemuxml2xmlout-balloon-device-period.xml | 30 ++++++++++++++++++++++
> tests/qemuxml2xmltest.c | 1 +
> 4 files changed, 60 insertions(+), 29 deletions(-)
> create mode 100644 tests/qemuxml2xmloutdata/qemuxml2xmlout-balloon-device-period.xml
>
> diff --git a/docs/schemas/domaincommon.rng b/docs/schemas/domaincommon.rng
> index b1d883f..b9d430a 100644
> --- a/docs/schemas/domaincommon.rng
> +++ b/docs/schemas/domaincommon.rng
> @@ -3438,19 +3438,21 @@
> <value>none</value>
> </choice>
> </attribute>
> - <optional>
> - <ref name="alias"/>
> - </optional>
> - <optional>
> - <ref name="address"/>
> - </optional>
> - <optional>
> - <element name="stats">
> - <attribute name="period">
> - <ref name="positiveInteger"/>
> - </attribute>
> - </element>
> - </optional>
> + <interleave>
> + <optional>
> + <ref name="alias"/>
> + </optional>
> + <optional>
> + <ref name="address"/>
> + </optional>
> + <optional>
> + <element name="stats">
> + <attribute name="period">
> + <ref name='positiveInteger'/>
> + </attribute>
> + </element>
> + </optional>
> + </interleave>
> </element>
> </define>
> <define name="parallel">
> diff --git a/src/conf/domain_conf.c b/src/conf/domain_conf.c
> index ae8688e..e010040 100644
> --- a/src/conf/domain_conf.c
> +++ b/src/conf/domain_conf.c
> @@ -18810,7 +18810,8 @@ virDomainMemballoonDefFormat(virBufferPtr buf,
> unsigned int flags)
> {
> const char *model = virDomainMemballoonModelTypeToString(def->model);
> - bool noopts = true;
> + virBuffer childrenBuf = VIR_BUFFER_INITIALIZER;
> + int indent = virBufferGetIndent(buf, false);
>
> if (!model) {
> virReportError(VIR_ERR_INTERNAL_ERROR,
> @@ -18819,27 +18820,24 @@ virDomainMemballoonDefFormat(virBufferPtr buf,
> }
>
> virBufferAsprintf(buf, "<memballoon model='%s'", model);
> - virBufferAdjustIndent(buf, 2);
> + virBufferAdjustIndent(&childrenBuf, indent + 2);
>
> - if (virDomainDeviceInfoNeedsFormat(&def->info, flags)) {
> - virBufferAddLit(buf, ">\n");
> - if (virDomainDeviceInfoFormat(buf, &def->info, flags) < 0)
> - return -1;
> - noopts = false;
> - }
> + if (def->period)
> + virBufferAsprintf(&childrenBuf, "<stats period='%u'/>\n", def->period);
>
> - if (def->period) {
> - if (noopts)
> - virBufferAddLit(buf, ">\n");
> - virBufferAsprintf(buf, "<stats period='%u'/>\n", def->period);
> - noopts = false;
> + if (virDomainDeviceInfoNeedsFormat(&def->info, flags) &&
> + virDomainDeviceInfoFormat(&childrenBuf, &def->info, flags) < 0) {
> + virBufferFreeAndReset(&childrenBuf);
> + return -1;
> }
>
> - virBufferAdjustIndent(buf, -2);
> - if (noopts)
> + if (!virBufferUse(&childrenBuf)) {
> virBufferAddLit(buf, "/>\n");
> - else
> + } else {
> + virBufferAddLit(buf, ">\n");
> + virBufferAddBuffer(buf, &childrenBuf);
> virBufferAddLit(buf, "</memballoon>\n");
> + }
>
> return 0;
> }
> diff --git a/tests/qemuxml2xmloutdata/qemuxml2xmlout-balloon-device-period.xml b/tests/qemuxml2xmloutdata/qemuxml2xmlout-balloon-device-period.xml
> new file mode 100644
> index 0000000..79e465a
> --- /dev/null
> +++ b/tests/qemuxml2xmloutdata/qemuxml2xmlout-balloon-device-period.xml
> @@ -0,0 +1,30 @@
> +<domain type='qemu'>
> + <name>QEMUGuest1</name>
> + <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
> + <memory unit='KiB'>219136</memory>
> + <currentMemory unit='KiB'>219136</currentMemory>
> + <vcpu placement='static'>1</vcpu>
> + <os>
> + <type arch='i686' machine='pc'>hvm</type>
> + <boot dev='hd'/>
> + </os>
> + <clock offset='utc'/>
> + <on_poweroff>destroy</on_poweroff>
> + <on_reboot>restart</on_reboot>
> + <on_crash>destroy</on_crash>
> + <devices>
> + <emulator>/usr/bin/qemu</emulator>
> + <disk type='block' device='disk'>
> + <source dev='/dev/HostVG/QEMUGuest1'/>
> + <target dev='hda' bus='ide'/>
> + <address type='drive' controller='0' bus='0' target='0' unit='0'/>
> + </disk>
> + <controller type='usb' index='0'/>
> + <controller type='pci' index='0' model='pci-root'/>
> + <controller type='ide' index='0'/>
> + <memballoon model='virtio'>
> + <stats period='10'/>
> + <address type='pci' domain='0x0000' bus='0x00' slot='0x12' function='0x0'/>
> + </memballoon>
> + </devices>
> +</domain>
> diff --git a/tests/qemuxml2xmltest.c b/tests/qemuxml2xmltest.c
> index 8e12e84..9e4b3a2 100644
> --- a/tests/qemuxml2xmltest.c
> +++ b/tests/qemuxml2xmltest.c
> @@ -354,6 +354,7 @@ mymain(void)
>
> /* These tests generate different XML */
> DO_TEST_DIFFERENT("balloon-device-auto");
> + DO_TEST_DIFFERENT("balloon-device-period");
> DO_TEST_DIFFERENT("channel-virtio-auto");
> DO_TEST_DIFFERENT("console-compat-auto");
> DO_TEST_DIFFERENT("disk-scsi-device-auto");
> --
> 2.3.2
>
> --
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>
Looks good, ACK.
Erik
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