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1cfb6188bc
Use boot kernel arg `talos.unified_cgroup_hierarchy=0` to force Talos to use cgroups v1. Talos still defaults to cgroupsv2. Signed-off-by: Andrey Smirnov <andrey.smirnov@talos-systems.com>
66 lines
1.7 KiB
Go
66 lines
1.7 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-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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value := procfs.ProcCmdline().Get(constants.KernelParamCGroups).First()
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return value != nil && *value == "0"
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}
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// CGroupMountPoints returns the cgroup mount points.
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func CGroupMountPoints() (mountpoints *Points, err error) {
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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() (mountpoints *Points, err error) {
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cgroups := NewMountPoints()
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cgroups.Set("cgroup2", NewMountPoint("cgroup", constants.CgroupMountPath, "cgroup2", unix.MS_NOSUID|unix.MS_NODEV|unix.MS_NOEXEC|unix.MS_RELATIME, "nsdelegate"))
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return cgroups, nil
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}
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func cgroupMountPointsV1() (mountpoints *Points, err error) {
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cgroups := NewMountPoints()
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cgroups.Set("dev", NewMountPoint("tmpfs", constants.CgroupMountPath, "tmpfs", unix.MS_NOSUID|unix.MS_NODEV|unix.MS_NOEXEC|unix.MS_RELATIME, "mode=755"))
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controllers := []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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for _, controller := range controllers {
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p := filepath.Join(constants.CgroupMountPath, controller)
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cgroups.Set(controller, NewMountPoint(controller, p, "cgroup", unix.MS_NOSUID|unix.MS_NODEV|unix.MS_NOEXEC|unix.MS_RELATIME, controller))
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}
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return cgroups, nil
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}
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