/*
 * 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"

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_FAIL,
                                 _("User namespace support is recommended")) < 0)
        ret = -1;

    if (virHostValidateCGroupController("LXC", "memory",
                                        VIR_HOST_VALIDATE_FAIL,
                                        "MEMCG") < 0)
        ret = -1;

    if (virHostValidateCGroupController("LXC", "cpu",
                                        VIR_HOST_VALIDATE_FAIL,
                                        "CGROUP_SCHED") < 0)
        ret = -1;

    if (virHostValidateCGroupController("LXC", "cpuacct",
                                        VIR_HOST_VALIDATE_FAIL,
                                        "CGROUP_CPUACCT") < 0)
        ret = -1;

    if (virHostValidateCGroupController("LXC", "devices",
                                        VIR_HOST_VALIDATE_FAIL,
                                        "CGROUP_DEVICE") < 0)
        ret = -1;

    if (virHostValidateCGroupController("LXC", "net_cls",
                                        VIR_HOST_VALIDATE_WARN,
                                        "NET_CLS_CGROUP") < 0)
        ret = -1;

    if (virHostValidateCGroupController("LXC", "freezer",
                                        VIR_HOST_VALIDATE_WARN,
                                        "CGROUP_FREEZER") < 0)
        ret = -1;

    return ret;
}