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qemuAgentCommand: Wire up suppressing of error reporting for unsupported commands

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In some cases we don't want to log errors if an agent command is
unsupported. Wire it up into qemuAgentCheckError via qemuAgentCommandFull
and provide a thin wrapper (qemuAgentCommand) to prevent having to fix
all callers.

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
Peter Krempa 2020-03-13 09:49:35 +01:00
parent f145df503e
commit 09aac3b6ff
1 changed files with 33 additions and 12 deletions
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33
src/qemu/qemu_agent.c
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@ -1051,7 +1051,8 @@ qemuAgentCommandName(virJSONValuePtr cmd)
static int
qemuAgentCheckError(virJSONValuePtr cmd,
virJSONValuePtr reply)
virJSONValuePtr reply,
bool report_unsupported)
{
if (virJSONValueObjectHasKey(reply, "error")) {
virJSONValuePtr error = virJSONValueObjectGet(reply, "error");
@ -1063,11 +1064,21 @@ qemuAgentCheckError(virJSONValuePtr cmd,
NULLSTR(cmdstr), NULLSTR(replystr));
/* Only send the user the command name + friendly error */
if (!error)
if (!error) {
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unable to execute QEMU agent command '%s'"),
qemuAgentCommandName(cmd));
else
return -1;
}
if (!report_unsupported) {
const char *klass = virJSONValueObjectGetString(error, "class");
if (STREQ_NULLABLE(klass, "CommandNotFound") ||
STREQ_NULLABLE(klass, "CommandDisabled"))
return -2;
}
virReportError(VIR_ERR_INTERNAL_ERROR,
_("unable to execute QEMU agent command '%s': %s"),
qemuAgentCommandName(cmd),
@ -1089,10 +1100,11 @@ qemuAgentCheckError(virJSONValuePtr cmd,
}
static int
qemuAgentCommand(qemuAgentPtr agent,
qemuAgentCommandFull(qemuAgentPtr agent,
virJSONValuePtr cmd,
virJSONValuePtr *reply,
int seconds)
int seconds,
bool report_unsupported)
{
int ret = -1;
qemuAgentMessage msg;
@ -1143,7 +1155,7 @@ qemuAgentCommand(qemuAgentPtr agent,
}
*reply = msg.rxObject;
ret = qemuAgentCheckError(cmd, *reply);
ret = qemuAgentCheckError(cmd, *reply, report_unsupported);
cleanup:
VIR_FREE(cmdstr);
@ -1153,6 +1165,15 @@ qemuAgentCommand(qemuAgentPtr agent,
return ret;
}
static int
qemuAgentCommand(qemuAgentPtr agent,
virJSONValuePtr cmd,
virJSONValuePtr *reply,
int seconds)
{
return qemuAgentCommandFull(agent, cmd, reply, seconds, true);
}
static virJSONValuePtr G_GNUC_NULL_TERMINATED
qemuAgentMakeCommand(const char *cmdname,
...)