#!/bin/bash

if ! test "$BASH_VERSION"; then echo "error: shell is not bash" >&2; exit 1; fi
shopt -s inherit_errexit 2>/dev/null ||: # ignore fail in bash < 4.4
set -eE -o pipefail
trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" exit status: $?, PIPESTATUS: ${PIPESTATUS[*]}" >&2' ERR

this_file="$(readlink -f -- "${BASH_SOURCE[0]}")"
readonly this_file this_dir="${this_file%/*}"
cd "$this_dir"

usage() {
  cat <<'EOF'
Usage: faiserver-disable
Disable the fai nfs server exports
EOF
  exit $1
}

if [[ $1 ]]; then
  usage 1
fi



faiserver_addr=$(host faiserver.b8.nz | sed -rn 's/^\S+ has address //p;T;q' ||:)
if ip a | grep "^ *inet.\? $faiserver_addr" &>/dev/null; then
  echo "$0: disabling fai nfs exports or apache site"
  ./faiserver-disable-local
else
  echo "$0: sshing to $(chost faiserver.b8.nz) to disable fai nfs exports or apache site"
  ssh root@$(chost faiserver.b8.nz) bash <faiserver-disable-local
fi