#!/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.

# This script is used to do extra initialization on GCI.

# set up cgroupv2 based on flag CONTAINERD_CGROUPV2 in containerd-env

CONTAINERD_HOME="/home/containerd"

CONTAINERD_ENV_METADATA="containerd-env"

if [ -f "${CONTAINERD_HOME}/${CONTAINERD_ENV_METADATA}" ]; then

source "${CONTAINERD_HOME}/${CONTAINERD_ENV_METADATA}"

fi

if [ "${CONTAINERD_CGROUPV2:-"false"}" == "true" ]; then

# check cos image

if [ -r /etc/os-release ]; then

OS_ID="$(. /etc/os-release && echo "$ID")"

fi

if [ "${OS_ID}" = "cos" ]; then

if ! grep -q 'systemd.unified_cgroup_hierarchy=true' /proc/cmdline && [ "$(stat -fc %T /sys/fs/cgroup/)" != "cgroup2fs" ]; then

echo "Setting up cgroupv2"

mount_path="/tmp/esp"

mkdir -p "${mount_path}"

esp_partition="/dev/sda12"

mount "${esp_partition}" "${mount_path}"

sed -i 's/systemd.unified_cgroup_hierarchy=false/systemd.unified_cgroup_hierarchy=true/g' "${mount_path}/efi/boot/grub.cfg"

umount "${mount_path}"

rmdir "${mount_path}"

echo "Reconfigured grub; rebooting..."

reboot

fi

fi

fi

mount /tmp /tmp -o remount,exec,suid

#TODO(random-liu): Stop docker and remove this docker thing.

usermod -a -G docker jenkins

#TODO(random-liu): Change current node e2e to use init script,

# so that we don't need to copy this code everywhere.

mkdir -p /var/lib/kubelet

mkdir -p /home/kubernetes/containerized_mounter/rootfs

mount --bind /home/kubernetes/containerized_mounter/ /home/kubernetes/containerized_mounter/

mount -o remount, exec /home/kubernetes/containerized_mounter/

wget https://storage.googleapis.com/kubernetes-release/gci-mounter/mounter.tar -O /tmp/mounter.tar

tar xvf /tmp/mounter.tar -C /home/kubernetes/containerized_mounter/rootfs

mkdir -p /home/kubernetes/containerized_mounter/rootfs/var/lib/kubelet

mount --rbind /var/lib/kubelet /home/kubernetes/containerized_mounter/rootfs/var/lib/kubelet

mount --make-rshared /home/kubernetes/containerized_mounter/rootfs/var/lib/kubelet

mount --bind /proc /home/kubernetes/containerized_mounter/rootfs/proc

mount --bind /dev /home/kubernetes/containerized_mounter/rootfs/dev

rm /tmp/mounter.tar