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