dependencies

#!/usr/bin/env bash
# Installs monit for the current plugin
# Supports Ubuntu

set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x


install_monit() {
    case "$DOKKU_DISTRO" in
        debian|ubuntu)
            export DEBIAN_FRONTEND=noninteractive
            apt-get install --force-yes -qq -y monit
            ;;
        *)
            echo "Unsupported distribution. Please install Monit and run sudo dokku plugin:install-dependencies again."
            return 1
    esac
}

enable_systemd_unit() {
    local plugin_path="$PLUGIN_AVAILABLE_PATH/monit"

    if hash systemctl 2> /dev/null; then
        cp -f "$plugin_path/dokku-monit.service" /etc/systemd/system/
        systemctl reenable dokku-monit.service
        systemctl start dokku-monit.service
    else
        echo >&2 "Could not install systemd unit because systemctl was not found."
        return 1
    fi
}

if hash monit 2> /dev/null; then
    enable_systemd_unit
else
    install_monit && enable_systemd_unit
fi