| #!/bin/bash |
| |
| # Copyright The containerd Authors. |
| |
| # Licensed under the Apache License, Version 2.0 (the "License"); |
| # you may not use this file except in compliance with the License. |
| # You may obtain a copy of the License at |
| |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| |
| # Unless required by applicable law or agreed to in writing, software |
| # distributed under the License is distributed on an "AS IS" BASIS, |
| # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| # See the License for the specific language governing permissions and |
| # limitations under the License. |
| |
| set -eu -o pipefail |
| |
| if [ -f "/sys/fs/cgroup/cgroup.controllers" ]; then |
| echo >&2 "Enabling cgroup v2 nesting" |
| # https://github.com/moby/moby/blob/v20.10.7/hack/dind#L28-L38 |
| mkdir -p /sys/fs/cgroup/init |
| xargs -rn1 </sys/fs/cgroup/cgroup.procs >/sys/fs/cgroup/init/cgroup.procs || : |
| sed -e 's/ / +/g' -e 's/^/+/' </sys/fs/cgroup/cgroup.controllers \ |
| >/sys/fs/cgroup/cgroup.subtree_control |
| fi |
| |
| exec "$@" |
