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Don't log an internal error when the guest hasn't updated balloon stats

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If virDomainMemoryStats is called too soon after domain startup,
QEMU returns:
"error":{"class":"GenericError","desc":"guest hasn't updated any stats yet"}
when we try to query balloon stats.

Check for this reply and log it as OPERATION_INVALID instead of
INTERNAL_ERROR. This means the daemon only logs it at the debug level,
without polluting system logs.

Reported by Laszlo Pal:
https://www.redhat.com/archives/libvirt-users/2014-May/msg00023.html
This commit is contained in:
Ján Tomko
2014-05-14 09:35:18 +02:00
parent 4dae1eddde
commit 268101ea90
1 changed files with 14 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
src/qemu/qemu_monitor_json.c
View File

@@ -1465,12 +1465,22 @@ int qemuMonitorJSONGetMemoryStats(qemuMonitorPtr mon,
NULL)))
goto cleanup;
ret = qemuMonitorJSONCommand(mon, cmd, &reply);
if ((ret = qemuMonitorJSONCommand(mon, cmd, &reply)) < 0)
goto cleanup;
if (ret == 0)
ret = qemuMonitorJSONCheckError(cmd, reply);
if ((data = virJSONValueObjectGet(reply, "error"))) {
const char *klass = virJSONValueObjectGetString(data, "class");
const char *desc = virJSONValueObjectGetString(data, "desc");
if (ret < 0)
if (STREQ_NULLABLE(klass, "GenericError") &&
STREQ_NULLABLE(desc, "guest hasn't updated any stats yet")) {
virReportError(VIR_ERR_OPERATION_INVALID, "%s",
_("the guest hasn't updated any stats yet"));
goto cleanup;
}
}
if ((ret = qemuMonitorJSONCheckError(cmd, reply)) < 0)
goto cleanup;
if (!(data = virJSONValueObjectGet(reply, "return"))) {