# -*- coding: utf-8; mode: sh indent-tabs-mode: nil -*-
# SPDX-License-Identifier: AGPL-3.0-or-later
# shellcheck shell=bash

# This file is a setup of a LXC suite.  It is sourced from different context, do
# not manipulate the environment directly, implement functions and manipulate
# environment only is subshells!

# ----------------------------------------------------------------------------
# config
# ----------------------------------------------------------------------------

# shellcheck disable=SC2034
LXC_SUITE_NAME="searx"
lxc_set_suite_env() {
    # name of https://images.linuxcontainers.org
    export LINUXCONTAINERS_ORG_NAME="${LINUXCONTAINERS_ORG_NAME:-images}"
    export LXC_HOST_PREFIX="${LXC_SUITE_NAME:-searx}"
    export LXC_SUITE=(

        # to disable containers, comment out lines ..

        # end of standard support see https://wiki.ubuntu.com/Releases
        "$LINUXCONTAINERS_ORG_NAME:ubuntu/16.04"  "ubu1604" # April 2021
        "$LINUXCONTAINERS_ORG_NAME:ubuntu/18.04"  "ubu1804" # April 2023
        "$LINUXCONTAINERS_ORG_NAME:ubuntu/19.10"  "ubu1910" # July 2020
        "$LINUXCONTAINERS_ORG_NAME:ubuntu/20.04"  "ubu2004" # future (EOL 2030)

        # EOL see https://fedoraproject.org/wiki/Releases
        "$LINUXCONTAINERS_ORG_NAME:fedora/31"     "fedora31"

        # rolling releases see https://www.archlinux.org/releng/releases/
        "$LINUXCONTAINERS_ORG_NAME:archlinux"     "archlinux"

        # EOL 30 June 2024
        "$LINUXCONTAINERS_ORG_NAME:centos/7"      "centos7"
    )

    PUBLIC_URL="${PUBLIC_URL:-http://$(uname -n)/searx}"
    if in_container; then
        # container hostnames do not have a DNS entry: use primary IP!
        PUBLIC_URL="http://$(primary_ip)/searx"

        # make GUEST's services public to the HOST
        FILTRON_API="0.0.0.0:4005"
        FILTRON_LISTEN="0.0.0.0:4004"
        MORTY_LISTEN="0.0.0.0:3000"

        # export LXC specific environment
        export PUBLIC_URL FILTRON_API FILTRON_LISTEN MORTY_LISTEN
    fi
}

lxc_suite_install_info() {
    (
        lxc_set_suite_env
        cat <<EOF
LXC suite: ${LXC_SUITE_NAME} --> ${PUBLIC_URL}
  suite includes searx, morty & filtron
suite images:
$(echo "  ${LOCAL_IMAGES[*]}" | $FMT)
suite containers:
$(echo "  ${CONTAINERS[*]}" | $FMT)
EOF
    )
    }

lxc_suite_install() {
    (
        lxc_set_suite_env
        FORCE_TIMEOUT=0
        export FORCE_TIMEOUT
        "${LXC_REPO_ROOT}/utils/searx.sh"   install all
        "${LXC_REPO_ROOT}/utils/morty.sh"   install all
        "${LXC_REPO_ROOT}/utils/filtron.sh" install all

        rst_title "suite installation finished ($(hostname))" part
        lxc_suite_info
        echo
    )
}

lxc_suite_info() {
    (
        lxc_set_suite_env
        for ip in $(global_IPs) ; do
            if [[ $ip =~ .*:.* ]]; then
                info_msg "(${ip%|*}) IPv6:       http://[${ip#*|}]"
            else
                # IPv4:
                # shellcheck disable=SC2034,SC2031
                info_msg "(${ip%|*}) filtron:    http://${ip#*|}:4004/ $PUBLIC_URL"
                info_msg "(${ip%|*}) morty:      http://${ip#*|}:3000/ $PUBLIC_URL_MORTY"
                info_msg "(${ip%|*}) docs-live:  http://${ip#*|}:8080/"
            fi
        done
    )
}