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qemu: add guest interface information in 'qemuDomainGetGuestInfo'

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Support return guest interface information from guest agent

Signed-off-by: zhanglei <zhanglei@smartx.com>
Reviewed-by: Ján Tomko <jtomko@redhat.com>
Signed-off-by: Ján Tomko <jtomko@redhat.com>
This commit is contained in:
zhanglei 2021-10-15 18:07:50 +08:00 committed by Ján Tomko
parent 85e4f3db7c
commit 635e7e8f9c
1 changed files with 88 additions and 1 deletions
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89
src/qemu/qemu_driver.c
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@ -20117,7 +20117,8 @@ static const unsigned int qemuDomainGetGuestInfoSupportedTypes =
VIR_DOMAIN_GUEST_INFO_TIMEZONE |
VIR_DOMAIN_GUEST_INFO_HOSTNAME |
VIR_DOMAIN_GUEST_INFO_FILESYSTEM |
VIR_DOMAIN_GUEST_INFO_DISKS;
VIR_DOMAIN_GUEST_INFO_DISKS |
VIR_DOMAIN_GUEST_INFO_INTERFACES;
static int
qemuDomainGetGuestInfoCheckSupport(unsigned int types,
@ -20316,6 +20317,72 @@ qemuAgentFSInfoFormatParams(qemuAgentFSInfo **fsinfo,
}
}
static void
virDomainInterfaceFormatParams(virDomainInterfacePtr *ifaces,
int nifaces,
virTypedParameterPtr *params,
int *nparams, int *maxparams)
{
size_t i;
size_t j;
if (virTypedParamsAddUInt(params, nparams, maxparams,
"if.count", nifaces) < 0)
return;
for (i = 0; i < nifaces; i++) {
char param_name[VIR_TYPED_PARAM_FIELD_LENGTH];
g_snprintf(param_name, VIR_TYPED_PARAM_FIELD_LENGTH,
"if.%zu.name", i);
if (virTypedParamsAddString(params, nparams, maxparams,
param_name, ifaces[i]->name) < 0)
return;
g_snprintf(param_name, VIR_TYPED_PARAM_FIELD_LENGTH,
"if.%zu.hwaddr", i);
if (virTypedParamsAddString(params, nparams, maxparams,
param_name, ifaces[i]->hwaddr) < 0)
return;
g_snprintf(param_name, VIR_TYPED_PARAM_FIELD_LENGTH,
"if.%zu.addr.count", i);
if (virTypedParamsAddUInt(params, nparams, maxparams,
param_name, ifaces[i]->naddrs) < 0)
return;
for (j = 0; j < ifaces[i]->naddrs; j++) {
const char *type = NULL;
switch (ifaces[i]->addrs[j].type) {
case VIR_IP_ADDR_TYPE_IPV4:
type = "ipv4";
break;
case VIR_IP_ADDR_TYPE_IPV6:
type = "ipv6";
break;
}
g_snprintf(param_name, VIR_TYPED_PARAM_FIELD_LENGTH,
"if.%zu.addr.%zu.type", i, j);
if (virTypedParamsAddString(params, nparams, maxparams,
param_name, type) < 0)
return;
g_snprintf(param_name, VIR_TYPED_PARAM_FIELD_LENGTH,
"if.%zu.addr.%zu.addr", i, j);
if (virTypedParamsAddString(params, nparams, maxparams,
param_name, ifaces[i]->addrs[j].addr) < 0)
return;
g_snprintf(param_name, VIR_TYPED_PARAM_FIELD_LENGTH,
"if.%zu.addr.%zu.prefix", i, j);
if (virTypedParamsAddUInt(params, nparams, maxparams,
param_name, ifaces[i]->addrs[j].prefix) < 0)
return;
}
}
}
static int
qemuDomainGetGuestInfo(virDomainPtr dom,
@ -20337,6 +20404,8 @@ qemuDomainGetGuestInfo(virDomainPtr dom,
qemuAgentFSInfo **agentfsinfo = NULL;
size_t ndisks = 0;
qemuAgentDiskInfo **agentdiskinfo = NULL;
virDomainInterfacePtr *ifaces = NULL;
size_t nifaces = 0;
size_t i;
virCheckFlags(0, -1);
@ -20402,6 +20471,15 @@ qemuDomainGetGuestInfo(virDomainPtr dom,
}
}
if (supportedTypes & VIR_DOMAIN_GUEST_INFO_INTERFACES) {
rc = qemuAgentGetInterfaces(agent, &ifaces, report_unsupported);
if (rc == -1) {
goto exitagent;
} else if (rc >= 0) {
nifaces = rc;
}
}
qemuDomainObjExitAgent(vm, agent);
qemuDomainObjEndAgentJob(vm);
@ -20424,6 +20502,10 @@ qemuDomainGetGuestInfo(virDomainPtr dom,
qemuDomainObjEndJob(driver, vm);
}
if (nifaces > 0) {
virDomainInterfaceFormatParams(ifaces, nifaces, params, nparams, &maxparams);
}
ret = 0;
cleanup:
@ -20433,6 +20515,11 @@ qemuDomainGetGuestInfo(virDomainPtr dom,
for (i = 0; i < ndisks; i++)
qemuAgentDiskInfoFree(agentdiskinfo[i]);
g_free(agentdiskinfo);
if (ifaces && nifaces > 0) {
for (i = 0; i < nifaces; i++)
virDomainInterfaceFree(ifaces[i]);
}
g_free(ifaces);
virDomainObjEndAPI(&vm);
return ret;