wsl2中重启容器shell脚本

#!/bin/bash

set -x
set -e

try_again_start() {
  for i in $(seq 1 4)
  do
    if [ "$i" = 4 ]
    then
      echo -e "\033[31m Too many failures, exit the program \033[0m" >&2
      exit 1
    fi
    if service docker status | grep "Docker is running"
    then
      echo -e "\033[32m docker started successfully \033[0m"
      break
    else
      echo -e "\033[31m Try again, failed to start Docker service \033[0m" >&2
      sudo service docker start
    fi
  done
}

start_docker_service() {
  if service docker status | grep "Docker is running"
  then
    echo -e "\033[32m Docker is running \033[0m"
  else
    echo -e "\033[31m Docker is not running, starting docker \033[0m" >&2
    sudo service docker start
    try_again_start
  fi
}

fail_exit() {
  echo -e "\033[31m Failed to restart container \033[0m" >&2
  exit 1
}

# Solve the problem：cannot find cgroup mount destination: unknown
if [ ! -d "/sys/fs/cgroup/systemd" ]; then
  sudo mkdir /sys/fs/cgroup/systemd
fi
sudo mount -t cgroup -o none,name=systemd cgroup /sys/fs/cgroup/systemd

# Solve the problem when es starts：max virtual memory areas vm.max_map_count [65530] is too low
sudo sysctl --system

start_docker_service

sleep 1s
# shellcheck disable=SC2046
docker restart $(docker ps -aq) || fail_exit

docker ps