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fix: busybox xargs unlinked on new k3s releases #1479

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Aug 2, 2024
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fix: busybox xargs unlinked on new k3s releases #1479

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9 changes: 7 additions & 2 deletions pkg/types/fixes/assets/k3d-entrypoint-cgroupv2.sh
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Original file line number Diff line number Diff line change
Expand Up @@ -11,10 +11,15 @@ set -o nounset
#########################################################################################################################################
if [ -f /sys/fs/cgroup/cgroup.controllers ]; then
echo "[$(date -Iseconds)] [CgroupV2 Fix] Evacuating Root Cgroup ..."
# move the processes from the root group to the /init group,
# move the processes from the root group to the /init group,
# otherwise writing subtree_control fails with EBUSY.
mkdir -p /sys/fs/cgroup/init
busybox xargs -rn1 < /sys/fs/cgroup/cgroup.procs > /sys/fs/cgroup/init/cgroup.procs || :
# new k3s releases only have xargs from findutils
if command -v xargs >/dev/null; then
xargs -rn1 </sys/fs/cgroup/cgroup.procs >/sys/fs/cgroup/init/cgroup.procs || :
else
busybox xargs -rn1 </sys/fs/cgroup/cgroup.procs >/sys/fs/cgroup/init/cgroup.procs || :
fi
# enable controllers
sed -e 's/ / +/g' -e 's/^/+/' <"/sys/fs/cgroup/cgroup.controllers" >"/sys/fs/cgroup/cgroup.subtree_control"
echo "[$(date -Iseconds)] [CgroupV2 Fix] Done"
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