#!/bin/bash
# Copyright (C) 2016 Ian Kelling

# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at

#     http://www.apache.org/licenses/LICENSE-2.0

# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

set -eE -o pipefail
trap 'echo "$0:$LINENO:error: \"$BASH_COMMAND\" returned $?" >&2' ERR

script_dir=$(dirname $(readlink -f "$BASH_SOURCE"))

if [[ ! $@ ]]; then
    echo "mount-latest-remote: error: expected 1 or more host arguments"
    exit 1
fi
ret=0

for tg; do
    scp $script_dir/{mount-latest-subvol,check-subvol-stale} \
        root@$tg:/usr/local/bin
    if ! ssh root@$tg bash <<'EOF'
set -e
chmod +x /usr/local/bin/{mount-latest-subvol,check-subvol-stale}
/usr/local/bin/mount-latest-subvol
EOF
    then
        echo "$0: warning: failed mount-latest-subvol on $tg"
        ret=1
    fi
done
exit $ret