wetty_ynh/scripts/install

#!/usr/bin/env bash

#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# MANAGE SCRIPT FAILURE
#=================================================

ynh_clean_setup () {
    true
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================

domain=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH
is_public=$YNH_APP_ARG_IS_PUBLIC
app=$YNH_APP_INSTANCE_NAME

#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================
ynh_script_progression --message="Validating installation parameters..." --weight=1

final_path=/var/www/$app
test ! -e "$final_path" || ynh_die --message="This path already contains a folder"

# Register (book) web path
ynh_webpath_register --app="$app" --domain="$domain" --path_url="$path_url"

#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_script_progression --message="Storing installation settings..." --weight=1

ynh_app_setting_set --app="$app" --key=domain --value="$domain"
ynh_app_setting_set --app="$app" --key=path --value="$path_url"
ynh_app_setting_set --app="$app" --key=is_public --value="$is_public"

#=================================================
# STANDARD MODIFICATIONS
#=================================================
# FIND AND OPEN A PORT
#=================================================
ynh_script_progression --message="Configuring firewall..." --weight=1

# Find an available port
port=$(ynh_find_port --port=8095)
ynh_app_setting_set --app="$app" --key=port --value="$port"

# DO NOT OPEN THIS PORT

#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..." --weight=6

# Install nodejs
ynh_install_nodejs --nodejs_version="$YNH_NODEJS_VERSION"

# Install Yarn
ynh_install_extra_app_dependencies --repo="deb https://dl.yarnpkg.com/debian/ stable main" \
    --package="yarn" --key="https://dl.yarnpkg.com/debian/pubkey.gpg"

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=1

ynh_app_setting_set --app="$app" --key=final_path --value="$final_path"
# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source --dest_dir="$final_path"

#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..." --weight=1

# Create a dedicated NGINX config
ynh_add_nginx_config

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..." --weight=1

# Create a system user
ynh_system_user_create --username="$app" --home_dir="$final_path"

#=================================================
# SPECIFIC SETUP
#=================================================
# BUILD YARN DEPENDENCIES
#=================================================
ynh_script_progression --message="Building Yarn dependencies... This may take several minutes for a first install." --weight=6

chown -R "$app":"$app" "$final_path"

pushd "$final_path" || return 1
    ynh_use_nodejs ; set "${ynh_node_load_PATH:?}"
    sudo -u "$app" env "$ynh_node_load_PATH" yarn global add wetty
    yarn_bin_dir="$(sudo -u "$app" env "$ynh_node_load_PATH" yarn global bin)"
popd || return 1

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Configuring the systemd service..." --weight=1

# Create a dedicated systemd config
test -n "${domain}${port}${path_url}${ynh_node_load_PATH}${yarn_bin_dir}"
ynh_add_systemd_config --others_var="domain port path_url ynh_node_load_PATH yarn_bin_dir"

#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================

# Set permissions to app files
chown -R root: "$final_path"

#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Configuring log rotation..." --weight=1

# Use logrotate to manage application logfile(s)
ynh_use_logrotate

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=1

yunohost service add "$app" --description "Wetty Web Terminal service" --log "/var/log/$app/$app.log"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting the systemd service..." --weight=1

ynh_systemd_action --service_name="$app" --action="start" --log_path="/var/log/$app/$app.log"

#=================================================
# SETUP FAIL2BAN
#=================================================
# ynh_script_progression --message="Configuring fail2ban..." --weight=1

# Create a dedicated fail2ban config
# ynh_add_fail2ban_config --logpath="/var/log/nginx/${domain}-error.log" --failregex="Regex to match into the log for a failed login"

#=================================================
# SETUP SSOWAT
#=================================================
ynh_script_progression --message="Configuring SSOwat..." --weight=1

# Make app public if necessary
if [ "$is_public" -eq 1 ]; then
    ynh_permission_update --permission "main" --add "visitors"
fi

#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --weight=1

ynh_systemd_action --service_name=nginx --action=reload

#=================================================
# END OF SCRIPT
#=================================================

ynh_script_progression --message="Installation of Wetty completed" --last