flohmarkt_ynh/scripts/install

#!/bin/bash

# IMPORT GENERIC HELPERS
source _common.sh
source /usr/share/yunohost/helpers

# INITIALIZE AND STORE SETTINGS
# @@ todo do we need to store the password un-encrypted somewhere on the system?
ynh_app_setting_set --app=$app --key=password_couchdb_admin --value="$password_couchdb_admin"

# INSTALL COUCHDB
# @@ todo
# https://codeberg.org/ChriChri/flohmarkt_ynh/issues/9
# check if couchdb is already installed
# get port, admin_pw for already installed couchdb
# skip the installation steps below
ynh_script_progression --message="Installing CouchDB..." --weight=60

# @@ todo: why is 'cookie string' and 'admin password' below the same?
echo "\
couchdb couchdb/mode select standalone
couchdb couchdb/mode seen true
couchdb couchdb/bindaddress string 127.0.0.1
couchdb couchdb/bindaddress seen true
couchdb couchdb/cookie string $password_couchdb_admin
couchdb couchdb/adminpass password $password_couchdb_admin
couchdb couchdb/adminpass seen true
couchdb couchdb/adminpass_again password $password_couchdb_admin
couchdb couchdb/adminpass_again seen true" | debconf-set-selections
DEBIAN_FRONTEND=noninteractive # apt-get install -y --force-yes couchdb

ynh_install_extra_app_dependencies \
    --repo="deb https://apache.jfrog.io/artifactory/couchdb-deb/ $(lsb_release -c -s) main" \
    --key="https://couchdb.apache.org/repo/keys.asc" \
    --package="couchdb"

# add couchdb configuration
ynh_script_progression --message="Adding a configuration file..." --weight=2
# customize couchdb config
ynh_add_config --template="../conf/couch_ynh.ini" --destination="/opt/couchdb/etc/local.d/couch_ynh.ini"

# @@ todo need to create a couchdb user and set the files to be readable/executable by it
chmod 750 "$install_dir"
chmod -R o-rwx "$install_dir"
chown -R "$app:$app" "$install_dir"

# get flohmarkt
ynh_setup_source --dest_dir="$install_dir/$app/"

# setup python environment for flohmarkt
ynh_secure_remove "$install_dir/venv"
python3 -m venv --without-pip "$install_dir/venv"

# install python dependencies
(
    set +o nounset
    source "$install_dir/venv/bin/activate"
    set -o nounset
    set -x
    $install_dir/venv/bin/python3 -m ensurepip
    $install_dir/venv/bin/pip3 install -r "$install_dir/$app/requirements.txt"
)

# JwtSecret
jwtsecret = $(openssl rand 256 | base64 -w 0)

# @@ configure
ynh_add_config --template="../conf/flohmarkt.conf" --destination="$install_dir/$app/flohmarkt.conf"

# SETUP LOGROTATE
ynh_script_progression --message="Configuring log rotation..." --weight=2
# Use logrotate to manage application logfile(s)
# @@ how does this know where the logfiles are?
ynh_use_logrotate

# NGINX CONFIGURATION
ynh_script_progression --message="Configuring NGINX web server..." --weight=3
# Create a dedicated NGINX config
ynh_add_nginx_config

# INTEGRATE SERVICE IN YUNOHOST
ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
yunohost service add $app --description="Open-source document-oriented NoSQL database" --log="/var/log/$app/$app.log" --needs_exposed_ports "$port"

# SETUP FAIL2BAN
# no need for couchdb, because it will not listen externally
# ynh_script_progression --message="Configuring Fail2Ban..." --weight=3
# 
# # Create a dedicated Fail2Ban config
# ynh_add_fail2ban_config --logpath="/var/log/couchdb/couchdb.log" --failregex="[warning] .*couch_httpd_auth: Authentication failed for user .+ from <HOST>" --max_retry=5

# qed
ynh_script_progression --message="Installation of $app completed" --last