diff options
Diffstat (limited to 's6/scripts/mount-cgroups')
-rwxr-xr-x | s6/scripts/mount-cgroups | 120 |
1 files changed, 0 insertions, 120 deletions
diff --git a/s6/scripts/mount-cgroups b/s6/scripts/mount-cgroups deleted file mode 100755 index fd711a0..0000000 --- a/s6/scripts/mount-cgroups +++ /dev/null @@ -1,120 +0,0 @@ -#!/bin/sh - -CGROUP_OPTS=nodev,noexec,nosuid -CGROUP_MODE=$1 -CGROUP_CONTROLLERS=$2 -HAVE_CONTROLLER1_GROUPS=$3 - -#if [ $CGROUP_CONTROLLERS = "none" ]; then -# CGROUP_CONTROLLERS="" -#fi - -cgroup2_find_path() { - if grep -qw cgroup2 /proc/filesystems; then - case "${CGROUP_MODE}" in - hybrid) printf "/sys/fs/cgroup/unified" ;; - unified) printf "/sys/fs/cgroup" ;; - esac - fi - return 0 -} - -cgroup1_base() { - grep -qw cgroup /proc/filesystems || return 0 - if ! mountpoint -q /sys/fs/cgroup; then - local opts="${CGROUP_OPTS},mode=755,size=${rc_cgroupsize:-10m}" - mount -n -t tmpfs -o "${opts}" cgroup_root /sys/fs/cgroup - fi - - if ! mountpoint -q /sys/fs/cgroup/openrc; then - local agent="/etc/s6/sv/mount-cgroups/cgroup-release-agent.sh" - mkdir /sys/fs/cgroup/openrc - mount -n -t cgroup -o none,${CGROUP_OPTS},name=openrc,release_agent="$agent" openrc /sys/fs/cgroup/openrc - printf 1 > /sys/fs/cgroup/openrc/notify_on_release - fi - return 0 -} - -cgroup1_controllers() { - ${HAVE_CONTROLLER1_GROUPS} && [ -e /proc/cgroups ] && grep -qw cgroup /proc/filesystems || return 0 - while read -r name _ _ enabled _; do - case "${enabled}" in - 1) if mountpoint -q "/sys/fs/cgroup/${name}";then continue;fi - local x - for x in $CGROUP_CONTROLLERS; do - [ "${name}" = "blkio" ] && [ "${x}" = "io" ] && - continue 2 - [ "${name}" = "${x}" ] && - continue 2 - done - mkdir "/sys/fs/cgroup/${name}" - mount -n -t cgroup -o "${CGROUP_OPTS},${name}" "${name}" "/sys/fs/cgroup/${name}" - ;; - esac - done < /proc/cgroups - return 0 -} - -cgroup2_base() { - grep -qw cgroup2 /proc/filesystems || return 0 - local base - base="$(cgroup2_find_path)" - mkdir -p "${base}" - mount -t cgroup2 none -o "${CGROUP_OPTS},nsdelegate" "${base}" 2> /dev/null || - mount -t cgroup2 none -o "${CGROUP_OPTS}" "${base}" - return 0 -} - -cgroup2_controllers() { - grep -qw cgroup2 /proc/filesystems || return 0 - local active cgroup_path x y - cgroup_path="$(cgroup2_find_path)" - [ -z "${cgroup_path}" ] && return 0 - [ -e "${cgroup_path}/cgroup.controllers" ] && read -r active < "${cgroup_path}/cgroup.controllers" - for x in ${CGROUP_CONTROLLERS}; do - for y in ${active}; do - [ "$x" = "$y" ] && [ -e "${cgroup_path}/cgroup.subtree_control" ] && - echo "+${x}" > "${cgroup_path}/cgroup.subtree_control" - done - done - return 0 -} - -cgroups_hybrid() { - cgroup1_base - cgroup2_base - cgroup2_controllers - cgroup1_controllers - return 0 -} - -cgroups_legacy() { - cgroup1_base - cgroup1_controllers - return 0 -} - -cgroups_unified() { - cgroup2_base - cgroup2_controllers - return 0 -} - -mount_cgroups() { - case "${CGROUP_MODE}" in - hybrid) cgroups_hybrid ;; - legacy) cgroups_legacy ;; - unified) cgroups_unified ;; - esac - return 0 -} - -mount_cgs() { - if [ -d /sys/fs/cgroup ];then - mount_cgroups - return 0 - fi - return 1 -} - -mount_cgs |