80-json-install

#!/bin/bash
#
# Univention Container Mode - json-install
#
# Copyright 2020-2021 Univention GmbH
#
# http://www.univention.de/
#
# All rights reserved.
#
# The source code of this program is made available
# under the terms of the GNU Affero General Public License version 3
# (GNU AGPL V3) as published by the Free Software Foundation.
#
# Binary versions of this program provided by Univention to you as
# well as other copyrighted, protected or trademarked materials like
# Logos, graphics, fonts, specific documentations and configurations,
# cryptographic keys etc. are subject to a license agreement between
# you and Univention and not subject to the GNU AGPL V3.
#
# In the case you use this program under the terms of the GNU AGPL V3,
# the program is provided 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public
# License with the Debian GNU/Linux or Univention distribution in file
# /usr/share/common-licenses/AGPL-3; if not, see
# <http://www.gnu.org/licenses/>.

## util(s)
source /usr/lib/univention-container-mode/utils.sh || exit 1

## function(s)
# function name() { # name: (IN)[>(OUT)]
# 	echo function
# }

## ucr shell
# eval "$(ucr shell hostname domainname)"

## declare
declare -a ucrchanges
# ucrchanges+=("key=value")
declare -a ucrremoves
# ucrremoves+=("key")

declare -A ucrcounter
# ucrcounter[<STRING>]=<INT>

declare -A ucrcommit
# ucrcommit+=/<PATH>/<FILE> OR ucrcommit[<FILE>]=/<PATH>/<FILE>

debug "### START SCRIPT($(pwd)/$0) ###"
## apt-get install or univention-add-app from container mode environment
# install: '{"(add-app|install|remove)":["(app|package)"[,"(app|package)",...]]}'
#
[[ -z ${install:-} ]] || {
	json=jq

	command -v ${json} >/dev/null 2>&1 || UniventionInstallNoRecommends ${json}

	command -v ${json} && {
		JSON="${json} --raw-output"
		echo ${install} | ${JSON} 'keys | .[]' >/dev/null 2>&1 && {
			for key in $(echo ${install} | ${JSON} 'keys | .[]'); do
				case ${key} in
				add-app) { # install all requested univention app(s)
					for app in $(echo ${install} | ${JSON} '."add-app"[]'); do
						UniventionAddApp ${app} || /bin/true
					done
				} ;;
				remove) { # set valied package(s) to auto install
					for package in $(echo ${install} | ${JSON} '."remove"[]'); do
						apt-cache search ${package} | egrep --quiet -- "^${package}" &&
							apt-mark auto ${package} >/dev/null 2>&1 || /bin/true
					done
				} ;;
				install) { # install all requested package(s) and converted app(s)
					for package in $(echo ${install} | ${JSON} '."install"[]'); do
						[[ ${package} =~ ^univention ]] && {
							# univention-<APP>
							app=$(echo ${package} | sed 's/^univention\-//g')
							UniventionAddApp ${app} || /bin/true
							# univention-app-name vs appname
							echo ${app} | egrep --quiet -- "-" && {
								app=$(echo ${app} | sed 's/\-//g')
								UniventionAddApp ${app} || /bin/true
							}
						}
						apt-cache search ${package} | egrep --quiet -- "^${package}" &&
							UniventionInstall ${package} || /bin/true
					done
				} ;;
				esac
			done
		}
	}
}
#
## apt-get install or univention-add-app from container mode environment
debug "### STOPP SCRIPT($(pwd)/$0) ###"

## ucr removes
UniventionConfigRegistryUnSet ${ucrremoves[@]}

## ucr changes
UniventionConfigRegistrySet ${ucrchanges[@]}

## ucr commit
UniventionConfigCommit ${ucrcommit[@]}

## cleanup
unset \
	install \
	ucrchanges ucrremoves ucrcounter ucrcommit

debug "### CLEAN SCRIPT($(pwd)/$0) ###"