bindmounts.sh

#!/bin/bash
set -e
set -x

if [ -z "$BIND_MOUNTS" ] ; then
  echo "No bindmounts in BIND_MOUNTS env var exiting"
  exit 0
fi

for path in ${BIND_MOUNTS[@]} ; do
  # remove leading slash, convert other /'s to -'s 
  mnt=`echo $path | sed -e 's/^\///' | tr '\/' '-'`

  if [ -d  "$path" ] ; then
    mv "$path" "/data/bindmount-$mnt"
  else
    mkdir -p "/data/bindmount-$mnt"
  fi

  mkdir -p "$path"

  echo "/data/bindmount-$mnt $path none bind 0 0" | sudo tee -a /etc/fstab
  mount "/$mnt"
done