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qemuAgentGetOSInfo: expose 'report_unsupported' argument

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Use qemuAgentCommandFull so that callers of qemuAgentGetOSInfo can
suppress error reports if the function is not supported by the guest
agent.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2020-03-16 08:37:13 +01:00
parent de1d822691
commit d8ac171718
4 changed files with 14 additions and 12 deletions
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17
src/qemu/qemu_agent.c
View File

@ -2404,27 +2404,28 @@ qemuAgentGetUsers(qemuAgentPtr agent,
}
/* Returns: 0 on success
* -2 when agent command is not supported by the agent
* -1 otherwise
* -2 when agent command is not supported by the agent and
* 'report_unsupported' is false (libvirt error is not reported)
* -1 otherwise (libvirt error is reported)
*/
int
qemuAgentGetOSInfo(qemuAgentPtr agent,
virTypedParameterPtr *params,
int *nparams,
int *maxparams)
int *maxparams,
bool report_unsupported)
{
g_autoptr(virJSONValue) cmd = NULL;
g_autoptr(virJSONValue) reply = NULL;
virJSONValuePtr data = NULL;
int rc;
if (!(cmd = qemuAgentMakeCommand("guest-get-osinfo", NULL)))
return -1;
if (qemuAgentCommand(agent, cmd, &reply, agent->timeout) < 0) {
if (qemuAgentErrorCommandUnsupported(reply))
return -2;
return -1;
}
if ((rc = qemuAgentCommandFull(agent, cmd, &reply, agent->timeout,
report_unsupported)) < 0)
return rc;
if (!(data = virJSONValueObjectGetObject(reply, "return"))) {
virReportError(VIR_ERR_INTERNAL_ERROR, "%s",

3
src/qemu/qemu_agent.h
View File

@ -157,7 +157,8 @@ int qemuAgentGetUsers(qemuAgentPtr mon,
int qemuAgentGetOSInfo(qemuAgentPtr mon,
virTypedParameterPtr *params,
int *nparams,
int *maxparams);
int *maxparams,
bool report_unsupported);
int qemuAgentGetTimezone(qemuAgentPtr mon,
virTypedParameterPtr *params,

2
src/qemu/qemu_driver.c
View File

@ -23021,7 +23021,7 @@ qemuDomainGetGuestInfo(virDomainPtr dom,
goto exitagent;
}
if (supportedTypes & VIR_DOMAIN_GUEST_INFO_OS) {
rc = qemuAgentGetOSInfo(agent, params, nparams, &maxparams);
rc = qemuAgentGetOSInfo(agent, params, nparams, &maxparams, true);
if (rc < 0 && !(rc == -2 && types == 0))
goto exitagent;
}

4
tests/qemuagenttest.c
View File

@ -1139,7 +1139,7 @@ testQemuAgentOSInfo(const void *data)
/* get osinfo */
if (qemuAgentGetOSInfo(qemuMonitorTestGetAgent(test),
&params, &nparams, &maxparams) < 0)
&params, &nparams, &maxparams, true) < 0)
goto cleanup;
if (nparams != 8) {
@ -1184,7 +1184,7 @@ testQemuAgentOSInfo(const void *data)
/* get users with domain */
if (qemuAgentGetOSInfo(qemuMonitorTestGetAgent(test),
&params, &nparams, &maxparams) < 0)
&params, &nparams, &maxparams, true) < 0)
goto cleanup;
if (nparams != 10) {