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9bf595b172
Extend the virt-host-validate checks to see if the required cgroups are compiled into the kernel and that they are mounted on the system. The cgroups are all optional except for 3 that LXC mandates Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
98 lines
3.5 KiB
C
98 lines
3.5 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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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_FAIL,
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_("User namespace support is recommended")) < 0)
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ret = -1;
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if (virHostValidateCGroupController("LXC", "memory",
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VIR_HOST_VALIDATE_FAIL,
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"MEMCG") < 0)
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ret = -1;
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if (virHostValidateCGroupController("LXC", "cpu",
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VIR_HOST_VALIDATE_FAIL,
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"CGROUP_SCHED") < 0)
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ret = -1;
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if (virHostValidateCGroupController("LXC", "cpuacct",
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VIR_HOST_VALIDATE_FAIL,
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"CGROUP_CPUACCT") < 0)
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ret = -1;
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if (virHostValidateCGroupController("LXC", "devices",
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VIR_HOST_VALIDATE_FAIL,
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"CGROUP_DEVICE") < 0)
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ret = -1;
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if (virHostValidateCGroupController("LXC", "net_cls",
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VIR_HOST_VALIDATE_WARN,
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"NET_CLS_CGROUP") < 0)
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ret = -1;
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if (virHostValidateCGroupController("LXC", "freezer",
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VIR_HOST_VALIDATE_WARN,
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"CGROUP_FREEZER") < 0)
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ret = -1;
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return ret;
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}
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