The rtc_timeoffset parameter in VM config is ignored when localtime=1.
Also it is not preserved across reboot.
NOTE:
This patch changes the meaning of the xenstore /vm/<uuid>/rtc/timeoffset
from utc offset to local offset. (it's OK for the ioemu)
Signed-off-by: Kouya Shimura <kouya@xxxxxxxxxxxxxx>
diff -r f6fd1c2e4da6 tools/python/xen/xend/XendDomainInfo.py
--- a/tools/python/xen/xend/XendDomainInfo.py Tue Mar 31 18:37:58 2009 +0100
+++ b/tools/python/xen/xend/XendDomainInfo.py Wed Apr 01 15:28:12 2009 +0900
@@ -1605,9 +1605,6 @@ class XendDomainInfo:
# convert two lists into a python dictionary
vm_details = dict(zip(cfg_vm, vm_details))
- if vm_details['rtc/timeoffset'] == None:
- vm_details['rtc/timeoffset'] = "0"
-
for arg, val in vm_details.items():
if arg in XendConfig.LEGACY_CFG_TO_XENAPI_CFG:
xapiarg = XendConfig.LEGACY_CFG_TO_XENAPI_CFG[arg]
@@ -1629,10 +1626,10 @@ class XendDomainInfo:
self.info.update_with_image_sxp(sxp.from_string(image_sxp))
changed = True
- # Check if the rtc offset has changes
- if vm_details.get("rtc/timeoffset", "0") !=
self.info["platform"].get("rtc_timeoffset", "0"):
- self.info["platform"]["rtc_timeoffset"] =
vm_details.get("rtc/timeoffset", 0)
- changed = True
+ # Update the rtc_timeoffset to be preserved across reboot.
+ # NB. No need to update xenstore domain section.
+ val = int(vm_details.get("rtc/timeoffset", 0))
+ self.info["platform"]["rtc_timeoffset"] = val
if changed:
# Update the domain section of the store, as this contains some
@@ -2439,12 +2436,6 @@ class XendDomainInfo:
self._configureBootloader()
try:
- if self.info['platform'].get('localtime', 0):
- if time.localtime(time.time())[8]:
- self.info['platform']['rtc_timeoffset'] = -time.altzone
- else:
- self.info['platform']['rtc_timeoffset'] = -time.timezone
-
self.image = image.create(self, self.info)
# repin domain vcpus if a restricted cpus list is provided
diff -r f6fd1c2e4da6 tools/python/xen/xend/image.py
--- a/tools/python/xen/xend/image.py Tue Mar 31 18:37:58 2009 +0100
+++ b/tools/python/xen/xend/image.py Wed Apr 01 15:28:12 2009 +0900
@@ -119,9 +119,14 @@ class ImageHandler:
self.vncconsole = int(vmConfig['platform'].get('vncconsole', 0))
self.dmargs = self.parseDeviceModelArgs(vmConfig)
self.pid = None
- rtc_timeoffset = vmConfig['platform'].get('rtc_timeoffset')
- if rtc_timeoffset is not None:
- xc.domain_set_time_offset(self.vm.getDomid(), int(rtc_timeoffset))
+ rtc_timeoffset = int(vmConfig['platform'].get('rtc_timeoffset', 0))
+ if vmConfig['platform'].get('localtime', 0):
+ if time.localtime(time.time())[8]:
+ rtc_timeoffset -= time.altzone
+ else:
+ rtc_timeoffset -= time.timezone
+ if rtc_timeoffset != 0:
+ xc.domain_set_time_offset(self.vm.getDomid(), rtc_timeoffset)
self.cpuid = None
self.cpuid_check = None
diff -r f6fd1c2e4da6 tools/python/xen/xm/create.py
--- a/tools/python/xen/xm/create.py Tue Mar 31 18:37:58 2009 +0100
+++ b/tools/python/xen/xm/create.py Wed Apr 01 15:28:12 2009 +0900
@@ -204,7 +204,7 @@ gopts.var('cpus', val='CPUS',
use="CPUS to run the domain on.")
gopts.var('rtc_timeoffset', val='RTC_TIMEOFFSET',
- fn=set_value, default="0",
+ fn=set_int, default=0,
use="Set RTC offset.")
gopts.var('pae', val='PAE',
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