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lxc: Add support to lxcDomainInterfaceAddresses() function

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LXC driver is not able to retrieve IP addresses from domains. This
function was not implemented yet. It can be done using DHCP lease and
ARP table. Different from QEMU, LXC does not have an agent to fetch
this info, but other sources can be used.

Signed-off-by: Julio Faracco <jcfaracco@gmail.com>
Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
Reviewed-by: Michal Privoznik <mprivozn@redhat.com>
This commit is contained in:
Julio Faracco 2020-01-21 00:37:11 -03:00 committed by Michal Privoznik
parent c360dbb564
commit 4494b9b9d0
1 changed files with 44 additions and 0 deletions
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44
src/lxc/lxc_driver.c
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@ -1740,6 +1740,49 @@ static int lxcConnectGetVersion(virConnectPtr conn, unsigned long *version)
}
static int
lxcDomainInterfaceAddresses(virDomainPtr dom,
virDomainInterfacePtr **ifaces,
unsigned int source,
unsigned int flags)
{
virDomainObjPtr vm = NULL;
int ret = -1;
virCheckFlags(0, -1);
if (!(vm = lxcDomObjFromDomain(dom)))
goto cleanup;
if (virDomainInterfaceAddressesEnsureACL(dom->conn, vm->def) < 0)
goto cleanup;
if (virDomainObjCheckActive(vm) < 0)
goto cleanup;
switch (source) {
case VIR_DOMAIN_INTERFACE_ADDRESSES_SRC_LEASE:
ret = virDomainNetDHCPInterfaces(vm->def, ifaces);
break;
case VIR_DOMAIN_INTERFACE_ADDRESSES_SRC_ARP:
ret = virDomainNetARPInterfaces(vm->def, ifaces);
break;
default:
virReportError(VIR_ERR_ARGUMENT_UNSUPPORTED,
_("Unknown IP address data source %d"),
source);
break;
}
cleanup:
virDomainObjEndAPI(&vm);
return ret;
}
static char *lxcConnectGetHostname(virConnectPtr conn)
{
if (virConnectGetHostnameEnsureACL(conn) < 0)
@ -5515,6 +5558,7 @@ static virHypervisorDriver lxcHypervisorDriver = {
.domainGetMetadata = lxcDomainGetMetadata, /* 1.1.3 */
.domainGetCPUStats = lxcDomainGetCPUStats, /* 1.2.2 */
.domainGetHostname = lxcDomainGetHostname, /* 6.0.0 */
.domainInterfaceAddresses = lxcDomainInterfaceAddresses, /* 6.1.0 */
.nodeGetMemoryParameters = lxcNodeGetMemoryParameters, /* 0.10.2 */
.nodeSetMemoryParameters = lxcNodeSetMemoryParameters, /* 0.10.2 */
.domainSendProcessSignal = lxcDomainSendProcessSignal, /* 1.0.1 */