#!/bin/sh -e
#
# 2020 Timothée Floure (timothee.floure@ungleich.ch)
#
# This file is part of cdist.
#
# cdist is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# cdist is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with cdist. If not, see <http://www.gnu.org/licenses/>.

upstream=https://github.com/wish/unbound_exporter/archive
version=$(cat "$__object/parameter/version")
release="unbound_exporter-$version"

cat << EOF
if command -v unbound_exporter
then
    # already installed - ignoring.
    echo "Nothing to do -"
else
    # Initialize working directory
    workdir=\$(mktemp -d)
    cd \$workdir

    # Download and extract sources for requested release.
    curl -L $upstream/v$version.tar.gz --output $release.tar.gz
    tar xf $release.tar.gz

    # Build and install binary.
    cd $release
    go build
    install -m755 unbound_exporter /usr/local/bin/

    # Clean up!
    rm -r \$workdir
fi
EOF