Run arbitrary scripts that require Docker, within another Docker container

docker-run.sh

#!/usr/bin/env bash
set -e

abort()
{
  echo "Docker: an error occurred. Exiting..." >&2
  exit 1
}

script_path_required()
{
  echo "Script path is required as first argument. e.g. ./docker-run script/test" >&2
  exit 1
}

trap 'abort' 0

SCRIPT_PATH=$1
if [ -z "$SCRIPT_PATH" ]
  then script_path_required
fi

shift 1

libdevmapper=$(ldconfig -p | grep 'libdevmapper.so.1.02' | awk '{print $4}')
libudev=$(ldconfig -p | grep 'libudev.so.0' | awk '{print $4}')

CONTAINER_NAME=<some container name>

echo "Docker: started"

echo ">> Running '$SCRIPT_PATH' in '$CONTAINER_NAME'"
#  Docker run explained:
#  --rm: Removes container automatically when it exits
#  -v: Mount current docker path in container
#  -v: Mount current docker socket to container socket
#  -v: Mount libdevmapper library through if present otherwise null
#  -v: Mount libudev library through if present otherwise null
#  -v: Mount current path (pwd) under /chalice in container
#  -w: Sets working directory to be /chalice
docker run \
  --rm \
  -v $(which docker):/usr/local/bin/docker \
  -v /var/run/docker.sock:/var/run/docker.sock \
  -v ${libdevmapper:-/dev/null}:/usr/lib/libdevmapper.so.1.02 \
  -v ${libudev:-/dev/null}:/usr/lib/libudev.so.0 \
  -v `pwd`:/var/chalice \
  -w /var/chalice \
  $CONTAINER_NAME $SCRIPT_PATH "$@"

echo "Docker: finished"

trap : 0