mirror of
https://gitlab.com/libvirt/libvirt.git
synced 2024-11-03 20:01:16 +00:00
0a7101c89b
Cgroup freezer support for LXC was added in libvirt-0.7.2. Signed-off-by: Pavel Hrdina <phrdina@redhat.com>
88 lines
3.3 KiB
C
88 lines
3.3 KiB
C
/*
|
|
* virt-host-validate-lxc.c: Sanity check a LXC hypervisor host
|
|
*
|
|
* Copyright (C) 2012 Red Hat, Inc.
|
|
*
|
|
* This library is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU Lesser General Public
|
|
* License as published by the Free Software Foundation; either
|
|
* version 2.1 of the License, or (at your option) any later version.
|
|
*
|
|
* This library is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
|
* Lesser General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Lesser General Public
|
|
* License along with this library. If not, see
|
|
* <http://www.gnu.org/licenses/>.
|
|
*
|
|
*/
|
|
|
|
#include <config.h>
|
|
|
|
#include "virt-host-validate-lxc.h"
|
|
#include "virt-host-validate-common.h"
|
|
#include "vircgroup.h"
|
|
|
|
int virHostValidateLXC(void)
|
|
{
|
|
int ret = 0;
|
|
|
|
if (virHostValidateLinuxKernel("LXC", (2 << 16) | (6 << 8) | 26,
|
|
VIR_HOST_VALIDATE_FAIL,
|
|
_("Upgrade to a kernel supporting namespaces")) < 0)
|
|
ret = -1;
|
|
|
|
if (virHostValidateNamespace("LXC", "ipc",
|
|
VIR_HOST_VALIDATE_FAIL,
|
|
_("IPC namespace support is required")) < 0)
|
|
ret = -1;
|
|
|
|
if (virHostValidateNamespace("LXC", "mnt",
|
|
VIR_HOST_VALIDATE_FAIL,
|
|
_("Mount namespace support is required")) < 0)
|
|
ret = -1;
|
|
|
|
if (virHostValidateNamespace("LXC", "pid",
|
|
VIR_HOST_VALIDATE_FAIL,
|
|
_("PID namespace support is required")) < 0)
|
|
ret = -1;
|
|
|
|
if (virHostValidateNamespace("LXC", "uts",
|
|
VIR_HOST_VALIDATE_FAIL,
|
|
_("UTS namespace support is required")) < 0)
|
|
ret = -1;
|
|
|
|
if (virHostValidateNamespace("LXC", "net",
|
|
VIR_HOST_VALIDATE_WARN,
|
|
_("Network namespace support is recommended")) < 0)
|
|
ret = -1;
|
|
|
|
if (virHostValidateNamespace("LXC", "user",
|
|
VIR_HOST_VALIDATE_WARN,
|
|
_("User namespace support is recommended")) < 0)
|
|
ret = -1;
|
|
|
|
if (virHostValidateCGroupControllers("LXC",
|
|
(1 << VIR_CGROUP_CONTROLLER_MEMORY) |
|
|
(1 << VIR_CGROUP_CONTROLLER_CPU) |
|
|
(1 << VIR_CGROUP_CONTROLLER_CPUACCT) |
|
|
(1 << VIR_CGROUP_CONTROLLER_CPUSET) |
|
|
(1 << VIR_CGROUP_CONTROLLER_DEVICES) |
|
|
(1 << VIR_CGROUP_CONTROLLER_FREEZER) |
|
|
(1 << VIR_CGROUP_CONTROLLER_BLKIO),
|
|
VIR_HOST_VALIDATE_FAIL) < 0) {
|
|
ret = -1;
|
|
}
|
|
|
|
#if WITH_FUSE
|
|
if (virHostValidateDeviceExists("LXC", "/sys/fs/fuse/connections",
|
|
VIR_HOST_VALIDATE_FAIL,
|
|
_("Load the 'fuse' module to enable /proc/ overrides")) < 0)
|
|
ret = -1;
|
|
#endif
|
|
|
|
return ret;
|
|
}
|