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lxc: use job functions in lxcDomain{AttachDeviceFlags, DetachDeviceFlags, UpdateDeviceFlags}

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These operations aren't necessarily time consuming, but need to
wait in the queue of modify jobs.

Signed-off-by: Katerina Koukiou <k.koukiou@gmail.com>
This commit is contained in:
Katerina Koukiou 2016-05-17 00:36:51 +03:00 committed by Michal Privoznik
parent 91f433e45c
commit 0fc0f715be
1 changed files with 47 additions and 30 deletions
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77
src/lxc/lxc_driver.c
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@ -5055,17 +5055,20 @@ static int lxcDomainAttachDeviceFlags(virDomainPtr dom,
if (virDomainAttachDeviceFlagsEnsureACL(dom->conn, vm->def, flags) < 0)
goto cleanup;
if (!(caps = virLXCDriverGetCapabilities(driver, false)))
if (virLXCDomainObjBeginJob(driver, vm, LXC_JOB_MODIFY) < 0)
goto cleanup;
if (!(caps = virLXCDriverGetCapabilities(driver, false)))
goto endjob;
if (virDomainObjUpdateModificationImpact(vm, &flags) < 0)
goto cleanup;
goto endjob;
dev = dev_copy = virDomainDeviceDefParse(xml, vm->def,
caps, driver->xmlopt,
VIR_DOMAIN_DEF_PARSE_INACTIVE);
if (dev == NULL)
goto cleanup;
goto endjob;
if (flags & VIR_DOMAIN_AFFECT_CONFIG &&
flags & VIR_DOMAIN_AFFECT_LIVE) {
@ -5076,30 +5079,30 @@ static int lxcDomainAttachDeviceFlags(virDomainPtr dom,
dev_copy = virDomainDeviceDefCopy(dev, vm->def,
caps, driver->xmlopt);
if (!dev_copy)
goto cleanup;
goto endjob;
}
if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
/* Make a copy for updated domain. */
vmdef = virDomainObjCopyPersistentDef(vm, caps, driver->xmlopt);
if (!vmdef)
goto cleanup;
goto endjob;
if (virDomainDefCompatibleDevice(vmdef, dev,
VIR_DOMAIN_DEVICE_ACTION_ATTACH) < 0)
goto cleanup;
goto endjob;
if ((ret = lxcDomainAttachDeviceConfig(vmdef, dev)) < 0)
goto cleanup;
goto endjob;
}
if (flags & VIR_DOMAIN_AFFECT_LIVE) {
if (virDomainDefCompatibleDevice(vm->def, dev_copy,
VIR_DOMAIN_DEVICE_ACTION_ATTACH) < 0)
goto cleanup;
goto endjob;
if ((ret = lxcDomainAttachDeviceLive(dom->conn, driver, vm, dev_copy)) < 0)
goto cleanup;
goto endjob;
/*
* update domain status forcibly because the domain status may be
* changed even if we failed to attach the device. For example,
@ -5107,7 +5110,7 @@ static int lxcDomainAttachDeviceFlags(virDomainPtr dom,
*/
if (virDomainSaveStatus(driver->xmlopt, cfg->stateDir, vm, driver->caps) < 0) {
ret = -1;
goto cleanup;
goto endjob;
}
}
@ -5120,6 +5123,9 @@ static int lxcDomainAttachDeviceFlags(virDomainPtr dom,
}
}
endjob:
if (!virLXCDomainObjEndJob(driver, vm))
vm = NULL;
cleanup:
virDomainDefFree(vmdef);
if (dev != dev_copy)
@ -5163,17 +5169,20 @@ static int lxcDomainUpdateDeviceFlags(virDomainPtr dom,
if (virDomainUpdateDeviceFlagsEnsureACL(dom->conn, vm->def, flags) < 0)
goto cleanup;
if (virDomainObjUpdateModificationImpact(vm, &flags) < 0)
if (virLXCDomainObjBeginJob(driver, vm, LXC_JOB_MODIFY) < 0)
goto cleanup;
if (virDomainObjUpdateModificationImpact(vm, &flags) < 0)
goto endjob;
if (!(caps = virLXCDriverGetCapabilities(driver, false)))
goto cleanup;
goto endjob;
dev = dev_copy = virDomainDeviceDefParse(xml, vm->def,
caps, driver->xmlopt,
VIR_DOMAIN_DEF_PARSE_INACTIVE);
if (dev == NULL)
goto cleanup;
goto endjob;
if (flags & VIR_DOMAIN_AFFECT_CONFIG &&
flags & VIR_DOMAIN_AFFECT_LIVE) {
@ -5184,32 +5193,32 @@ static int lxcDomainUpdateDeviceFlags(virDomainPtr dom,
dev_copy = virDomainDeviceDefCopy(dev, vm->def,
caps, driver->xmlopt);
if (!dev_copy)
goto cleanup;
goto endjob;
}
if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
/* Make a copy for updated domain. */
vmdef = virDomainObjCopyPersistentDef(vm, caps, driver->xmlopt);
if (!vmdef)
goto cleanup;
goto endjob;
if (virDomainDefCompatibleDevice(vmdef, dev,
VIR_DOMAIN_DEVICE_ACTION_UPDATE) < 0)
goto cleanup;
goto endjob;
if ((ret = lxcDomainUpdateDeviceConfig(vmdef, dev)) < 0)
goto cleanup;
goto endjob;
}
if (flags & VIR_DOMAIN_AFFECT_LIVE) {
if (virDomainDefCompatibleDevice(vm->def, dev_copy,
VIR_DOMAIN_DEVICE_ACTION_UPDATE) < 0)
goto cleanup;
goto endjob;
virReportError(VIR_ERR_OPERATION_UNSUPPORTED, "%s",
_("Unable to modify live devices"));
goto cleanup;
goto endjob;
}
/* Finally, if no error until here, we can save config. */
@ -5220,7 +5229,9 @@ static int lxcDomainUpdateDeviceFlags(virDomainPtr dom,
vmdef = NULL;
}
}
endjob:
if (!virLXCDomainObjEndJob(driver, vm))
vm = NULL;
cleanup:
virDomainDefFree(vmdef);
if (dev != dev_copy)
@ -5255,17 +5266,20 @@ static int lxcDomainDetachDeviceFlags(virDomainPtr dom,
if (virDomainDetachDeviceFlagsEnsureACL(dom->conn, vm->def, flags) < 0)
goto cleanup;
if (virDomainObjUpdateModificationImpact(vm, &flags) < 0)
if (virLXCDomainObjBeginJob(driver, vm, LXC_JOB_MODIFY) < 0)
goto cleanup;
if (virDomainObjUpdateModificationImpact(vm, &flags) < 0)
goto endjob;
if (!(caps = virLXCDriverGetCapabilities(driver, false)))
goto cleanup;
goto endjob;
dev = dev_copy = virDomainDeviceDefParse(xml, vm->def,
caps, driver->xmlopt,
VIR_DOMAIN_DEF_PARSE_INACTIVE);
if (dev == NULL)
goto cleanup;
goto endjob;
if (flags & VIR_DOMAIN_AFFECT_CONFIG &&
flags & VIR_DOMAIN_AFFECT_LIVE) {
@ -5276,30 +5290,30 @@ static int lxcDomainDetachDeviceFlags(virDomainPtr dom,
dev_copy = virDomainDeviceDefCopy(dev, vm->def,
caps, driver->xmlopt);
if (!dev_copy)
goto cleanup;
goto endjob;
}
if (flags & VIR_DOMAIN_AFFECT_CONFIG) {
/* Make a copy for updated domain. */
vmdef = virDomainObjCopyPersistentDef(vm, caps, driver->xmlopt);
if (!vmdef)
goto cleanup;
goto endjob;
if (virDomainDefCompatibleDevice(vmdef, dev,
VIR_DOMAIN_DEVICE_ACTION_DETACH) < 0)
goto cleanup;
goto endjob;
if ((ret = lxcDomainDetachDeviceConfig(vmdef, dev)) < 0)
goto cleanup;
goto endjob;
}
if (flags & VIR_DOMAIN_AFFECT_LIVE) {
if (virDomainDefCompatibleDevice(vm->def, dev_copy,
VIR_DOMAIN_DEVICE_ACTION_DETACH) < 0)
goto cleanup;
goto endjob;
if ((ret = lxcDomainDetachDeviceLive(driver, vm, dev_copy)) < 0)
goto cleanup;
goto endjob;
/*
* update domain status forcibly because the domain status may be
* changed even if we failed to attach the device. For example,
@ -5307,7 +5321,7 @@ static int lxcDomainDetachDeviceFlags(virDomainPtr dom,
*/
if (virDomainSaveStatus(driver->xmlopt, cfg->stateDir, vm, driver->caps) < 0) {
ret = -1;
goto cleanup;
goto endjob;
}
}
@ -5320,6 +5334,9 @@ static int lxcDomainDetachDeviceFlags(virDomainPtr dom,
}
}
endjob:
if (!virLXCDomainObjEndJob(driver, vm))
vm = NULL;
cleanup:
virDomainDefFree(vmdef);
if (dev != dev_copy)