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save and remove kvm/qemu domain status

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This commit is contained in:
Guido Günther 2008-12-20 13:17:49 +00:00
parent b679ebe877
commit 5614e868e1
2 changed files with 59 additions and 0 deletions
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9
ChangeLog
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@ -1,3 +1,12 @@
Sat Dec 20 14:10:09 CET 2008 Guido Günther <agx@sigxcpu.org>
save and remove kvm/qemu domain status
* src/qemu_driver.c (qemdRemoveDomainStatus): new function
(qemudOpenMonitor): save monitor path
(qemudStartVMDaemon, qemudDomainSuspend, qemudDomainResume,
qemudDomainAttachDevice, qemudDomainDetachDevice): save status
(qemudShutdownVMDaemon): remove status
Sat Dec 20 13:53:14 CET 2008 Guido Günther <agx@sigxcpu.org>
add XML parsing for qemu/kvm status files

50
src/qemu_driver.c
View File

@ -182,6 +182,44 @@ qemudAutostartConfigs(struct qemud_driver *driver) {
virConnectClose(conn);
}
/**
* qemudRemoveDomainStatus
*
* remove all state files of a domain from statedir
*
* Returns 0 on success
*/
static int
qemudRemoveDomainStatus(virConnectPtr conn,
struct qemud_driver *driver,
virDomainObjPtr vm)
{
int rc = -1;
char *file = NULL;
if (virAsprintf(&file, "%s/%s.xml", driver->stateDir, vm->def->name) < 0) {
qemudReportError(conn, vm, NULL, VIR_ERR_NO_MEMORY,
"%s", _("failed to allocate space for status file"));
goto cleanup;
}
if (unlink(file) < 0 && errno != ENOENT && errno != ENOTDIR) {
qemudReportError(conn, vm, NULL, VIR_ERR_INTERNAL_ERROR,
_("Failed to unlink status file %s"), file);
goto cleanup;
}
if(virFileDeletePid(driver->stateDir, vm->def->name))
goto cleanup;
rc = 0;
cleanup:
VIR_FREE(file);
return rc;
}
/**
* qemudStartup:
*
@ -531,6 +569,12 @@ static int qemudOpenMonitor(virConnectPtr conn,
qemudCheckMonitorPrompt,
"monitor", 10000);
if (!(vm->monitorpath = strdup(monitor))) {
qemudReportError(conn, NULL, NULL, VIR_ERR_NO_MEMORY,
"%s", _("failed to allocate space for monitor path"));
goto error;
}
/* Keep monitor open upon success */
if (ret == 0)
return ret;
@ -1030,6 +1074,7 @@ static int qemudStartVMDaemon(virConnectPtr conn,
return -1;
}
}
qemudSaveDomainStatus(conn, qemu_driver, vm);
return ret;
}
@ -1095,6 +1140,7 @@ static void qemudShutdownVMDaemon(virConnectPtr conn ATTRIBUTE_UNUSED,
"%s", _("Got unexpected pid, damn\n"));
}
}
qemudRemoveDomainStatus(conn, driver, vm);
vm->pid = -1;
vm->def->id = -1;
@ -1738,6 +1784,7 @@ static int qemudDomainSuspend(virDomainPtr dom) {
VIR_DOMAIN_EVENT_SUSPENDED_PAUSED);
VIR_FREE(info);
}
qemudSaveDomainStatus(dom->conn, driver, vm);
ret = 0;
cleanup:
@ -1787,6 +1834,7 @@ static int qemudDomainResume(virDomainPtr dom) {
VIR_DOMAIN_EVENT_RESUMED_UNPAUSED);
VIR_FREE(info);
}
qemudSaveDomainStatus(dom->conn, driver, vm);
ret = 0;
cleanup:
@ -3221,6 +3269,7 @@ static int qemudDomainAttachDevice(virDomainPtr dom,
goto cleanup;
}
qemudSaveDomainStatus(dom->conn, driver, vm);
cleanup:
if (ret < 0)
virDomainDeviceDefFree(dev);
@ -3337,6 +3386,7 @@ static int qemudDomainDetachDevice(virDomainPtr dom,
qemudReportError(dom->conn, dom, NULL, VIR_ERR_NO_SUPPORT,
"%s", _("only SCSI or virtio disk device can be detached dynamically"));
qemudSaveDomainStatus(dom->conn, driver, vm);
cleanup:
virDomainDeviceDefFree(dev);
if (vm)