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62ec7ec336
Re-design some methods, simplify flows and allow more simple interactions. Learn from mistakes and design better methods. Fixes #9471 Signed-off-by: Andrey Smirnov <andrey.smirnov@siderolabs.com>
63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
// This Source Code Form is subject to the terms of the Mozilla Public
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// License, v. 2.0. If a copy of the MPL was not distributed with this
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// file, You can obtain one at http://mozilla.org/MPL/2.0/.
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package mount
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import (
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"path/filepath"
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"github.com/siderolabs/go-pointer"
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"github.com/siderolabs/go-procfs/procfs"
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"golang.org/x/sys/unix"
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"github.com/siderolabs/talos/pkg/machinery/constants"
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)
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// ForceGGroupsV1 returns the cgroup version to be used (only for !container mode).
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func ForceGGroupsV1() bool {
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return pointer.SafeDeref(procfs.ProcCmdline().Get(constants.KernelParamCGroups).First()) == "0"
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}
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// CGroupMountPoints returns the cgroup mount points.
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func CGroupMountPoints() Points {
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if ForceGGroupsV1() {
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return cgroupMountPointsV1()
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}
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return cgroupMountPointsV2()
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}
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func cgroupMountPointsV2() Points {
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return Points{
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NewPoint("cgroup", constants.CgroupMountPath, "cgroup2", WithFlags(unix.MS_NOSUID|unix.MS_NODEV|unix.MS_NOEXEC|unix.MS_RELATIME), WithData("nsdelegate,memory_recursiveprot")),
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}
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}
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func cgroupMountPointsV1() Points {
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points := Points{
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NewPoint("tmpfs", constants.CgroupMountPath, "tmpfs", WithFlags(unix.MS_NOSUID|unix.MS_NODEV|unix.MS_NOEXEC|unix.MS_RELATIME), WithData("mode=755")),
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}
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for _, controller := range []string{
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"blkio",
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"cpu",
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"cpuacct",
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"cpuset",
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"devices",
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"freezer",
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"hugetlb",
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"memory",
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"net_cls",
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"net_prio",
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"perf_event",
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"pids",
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} {
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points = append(points,
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NewPoint("cgroup", filepath.Join(constants.CgroupMountPath, controller), "cgroup", WithFlags(unix.MS_NOSUID|unix.MS_NODEV|unix.MS_NOEXEC|unix.MS_RELATIME), WithData(controller)),
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)
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}
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return points
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}
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