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libxl: handle on_crash coredump actions

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Add support for coredump-{destroy,restart} actions of <on_crash> event.

Signed-off-by: Jim Fehlig <jfehlig@suse.com>
This commit is contained in:
Jim Fehlig 2014-02-19 19:29:15 -07:00
parent c2de456e4e
commit cfad607b23
1 changed files with 50 additions and 2 deletions
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52
src/libxl/libxl_driver.c
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@ -250,6 +250,50 @@ error:
return -1;
}
/*
* Core dump domain to default dump path.
*
* virDomainObjPtr must be locked on invocation
*/
static int
libxlDomainAutoCoreDump(libxlDriverPrivatePtr driver,
virDomainObjPtr vm)
{
libxlDomainObjPrivatePtr priv = vm->privateData;
libxlDriverConfigPtr cfg = libxlDriverConfigGet(driver);
time_t curtime = time(NULL);
char timestr[100];
struct tm time_info;
char *dumpfile = NULL;
int ret = -1;
localtime_r(&curtime, &time_info);
strftime(timestr, sizeof(timestr), "%Y-%m-%d-%H:%M:%S", &time_info);
if (virAsprintf(&dumpfile, "%s/%s-%s",
cfg->autoDumpDir,
vm->def->name,
timestr) < 0)
goto cleanup;
if (libxlDomainObjBeginJob(driver, vm, LIBXL_JOB_MODIFY) < 0)
goto cleanup;
/* Unlock virDomainObj while dumping core */
virObjectUnlock(vm);
libxl_domain_core_dump(priv->ctx, vm->def->id, dumpfile, NULL);
virObjectLock(vm);
ignore_value(libxlDomainObjEndJob(driver, vm));
ret = 0;
cleanup:
VIR_FREE(dumpfile);
virObjectUnref(cfg);
return ret;
}
/*
* Cleanup function for domain that has reached shutoff state.
*
@ -399,10 +443,14 @@ libxlDomainShutdownThread(void *opaque)
case VIR_DOMAIN_LIFECYCLE_CRASH_RESTART_RENAME:
goto restart;
case VIR_DOMAIN_LIFECYCLE_CRASH_PRESERVE:
case VIR_DOMAIN_LIFECYCLE_CRASH_COREDUMP_DESTROY:
case VIR_DOMAIN_LIFECYCLE_CRASH_COREDUMP_RESTART:
case VIR_DOMAIN_LIFECYCLE_CRASH_LAST:
goto cleanup;
case VIR_DOMAIN_LIFECYCLE_CRASH_COREDUMP_DESTROY:
libxlDomainAutoCoreDump(driver, vm);
goto destroy;
case VIR_DOMAIN_LIFECYCLE_CRASH_COREDUMP_RESTART:
libxlDomainAutoCoreDump(driver, vm);
goto restart;
}
} else if (xl_reason == LIBXL_SHUTDOWN_REASON_REBOOT) {
dom_event = virDomainEventLifecycleNewFromObj(vm,