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Re: [libvirt] [PATCH 5/6] Allow configurable timezones with QEMU



On Thu, Feb 18, 2010 at 05:54:31PM +0000, Daniel P. Berrange wrote:
> Allow an arbitrary timezone with QEMU by setting the $TZ environment
> variable when launching QEMU
> 
> * src/qemu/qemu_conf.c: Set TZ environment variable if a timezone
>   is requested
> * tests/qemuxml2argvtest.c: Add test case for timezones
> * tests/qemuxml2argvdata/qemuxml2argv-clock-france.xml,
>   tests/qemuxml2argvdata/qemuxml2argv-clock-france.args: Data
>   for timezone tests
> ---
>  src/qemu/qemu_conf.c                               |    6 +++++
>  .../qemuxml2argv-clock-france.args                 |    1 +
>  .../qemuxml2argvdata/qemuxml2argv-clock-france.xml |   24 ++++++++++++++++++++
>  tests/qemuxml2argvtest.c                           |    2 +
>  4 files changed, 33 insertions(+), 0 deletions(-)
>  create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-clock-france.args
>  create mode 100644 tests/qemuxml2argvdata/qemuxml2argv-clock-france.xml
> 
> diff --git a/src/qemu/qemu_conf.c b/src/qemu/qemu_conf.c
> index cd0dd7f..4ed00cb 100644
> --- a/src/qemu/qemu_conf.c
> +++ b/src/qemu/qemu_conf.c
> @@ -2983,6 +2983,7 @@ qemuBuildClockArgStr(virDomainClockDefPtr def)
>          break;
>  
>      case VIR_DOMAIN_CLOCK_OFFSET_LOCALTIME:
> +    case VIR_DOMAIN_CLOCK_OFFSET_TIMEZONE:
>          virBufferAddLit(&buf, "base=localtime");
>          break;
>  
> @@ -3462,6 +3463,7 @@ int qemudBuildCommandLine(virConnectPtr conn,
>      } else {
>          switch (def->clock.offset) {
>          case VIR_DOMAIN_CLOCK_OFFSET_LOCALTIME:
> +        case VIR_DOMAIN_CLOCK_OFFSET_TIMEZONE:
>              ADD_ARG_LIT("-localtime");
>              break;
>  
> @@ -3476,6 +3478,10 @@ int qemudBuildCommandLine(virConnectPtr conn,
>              goto error;
>          }
>      }
> +    if (def->clock.offset == VIR_DOMAIN_CLOCK_OFFSET_TIMEZONE &&
> +        def->clock.data.timezone) {
> +        ADD_ENV_PAIR("TZ", def->clock.data.timezone);
> +    }
>  
>      if ((qemuCmdFlags & QEMUD_CMD_FLAG_NO_REBOOT) &&
>          def->onReboot != VIR_DOMAIN_LIFECYCLE_RESTART)
> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-clock-france.args b/tests/qemuxml2argvdata/qemuxml2argv-clock-france.args
> new file mode 100644
> index 0000000..3c57397
> --- /dev/null
> +++ b/tests/qemuxml2argvdata/qemuxml2argv-clock-france.args
> @@ -0,0 +1 @@
> +LC_ALL=C PATH=/bin HOME=/home/test USER=test LOGNAME=test TZ=Europe/Paris /usr/bin/qemu -S -M pc -m 214 -smp 1 -nographic -monitor unix:/tmp/test-monitor,server,nowait -rtc base=localtime -no-acpi -boot c -hda /dev/HostVG/QEMUGuest1 -net none -serial none -parallel none -usb
> diff --git a/tests/qemuxml2argvdata/qemuxml2argv-clock-france.xml b/tests/qemuxml2argvdata/qemuxml2argv-clock-france.xml
> new file mode 100644
> index 0000000..157fdfb
> --- /dev/null
> +++ b/tests/qemuxml2argvdata/qemuxml2argv-clock-france.xml
> @@ -0,0 +1,24 @@
> +<domain type='qemu'>
> +  <name>QEMUGuest1</name>
> +  <uuid>c7a5fdbd-edaf-9455-926a-d65c16db1809</uuid>
> +  <memory>219200</memory>
> +  <currentMemory>219200</currentMemory>
> +  <vcpu>1</vcpu>
> +  <os>
> +    <type arch='i686' machine='pc'>hvm</type>
> +    <boot dev='hd'/>
> +  </os>
> +  <clock offset='timezone' timezone='Europe/Paris'/>
> +  <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' unit='0'/>
> +    </disk>
> +    <controller type='ide' index='0'/>
> +  </devices>
> +</domain>
> diff --git a/tests/qemuxml2argvtest.c b/tests/qemuxml2argvtest.c
> index 510176c..bd41b6c 100644
> --- a/tests/qemuxml2argvtest.c
> +++ b/tests/qemuxml2argvtest.c
> @@ -230,6 +230,8 @@ mymain(int argc, char **argv)
>       * Can't be enabled since the absolute timestamp changes every time
>      DO_TEST("clock-variable", QEMUD_CMD_FLAG_RTC);
>      */
> +    DO_TEST("clock-france", QEMUD_CMD_FLAG_RTC);
> +
>      DO_TEST("hugepages", QEMUD_CMD_FLAG_MEM_PATH);
>      DO_TEST("disk-cdrom", 0);
>      DO_TEST("disk-cdrom-empty", QEMUD_CMD_FLAG_DRIVE);

  ACK,

Daniel

-- 
Daniel Veillard      | libxml Gnome XML XSLT toolkit  http://xmlsoft.org/
daniel veillard com  | Rpmfind RPM search engine http://rpmfind.net/
http://veillard.com/ | virtualization library  http://libvirt.org/


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