iankelling.org Git - distro-setup/blob - mount-latest-remote

   1 #!/bin/bash
   2 # Copyright (C) 2016 Ian Kelling
   3
   4 # Licensed under the Apache License, Version 2.0 (the "License");
   5 # you may not use this file except in compliance with the License.
   6 # You may obtain a copy of the License at
   7
   8 #     http://www.apache.org/licenses/LICENSE-2.0
   9
  10 # Unless required by applicable law or agreed to in writing, software
  11 # distributed under the License is distributed on an "AS IS" BASIS,
  12 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13 # See the License for the specific language governing permissions and
  14 # limitations under the License.
  15
  16 set -eE -o pipefail
  17 trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR
  18
  19 script_dir=$(dirname $(readlink -f "$BASH_SOURCE"))
  20
  21 if [[ ! $@ ]]; then
  22     echo "mount-latest-remote: error: expected 1 or more host arguments"
  23     exit 1
  24 fi
  25 ret=0
  26
  27 for tg; do
  28     scp $script_dir/{mount-latest-subvol,check-subvol-stale} \
  29         root@$tg:/usr/local/bin
  30     if ! ssh root@$tg bash <<'EOF'
  31 set -e
  32 chmod +x /usr/local/bin/{mount-latest-subvol,check-subvol-stale}
  33 /usr/local/bin/mount-latest-subvol
  34 EOF
  35     then
  36         echo "$0: warning: failed mount-latest-subvol on $tg"
  37         ret=1
  38     fi
  39 done
  40 exit $ret