distbin_ynh/scripts/install

#!/bin/bash

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

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

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

ynh_clean_setup () {
	ynh_clean_check_starting
}
# 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_print_info --message="Validating installation parameters..."

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_print_info --message="Storing installation settings..."

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_print_info --message="Configuring firewall..."

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

# Optional: Expose this port publicly
# (N.B. : you only need to do this if the app actually needs to expose the port publicly.
# If you do this and the app doesn't actually need you are CREATING SECURITY HOLES IN THE SERVER !)

# Open the port
# ynh_exec_warn_less yunohost firewall allow --no-upnp TCP $port

#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_print_info --message="Installing dependencies..."

ynh_install_app_dependencies $pkg_dependencies
ynh_install_nodejs --nodejs_version="10"

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

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_print_info --message="Configuring nginx web server..."

# Create a dedicated nginx config
ynh_add_nginx_config

#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_print_info --message="Configuring system user..."

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

#=================================================
# SPECIFIC SETUP
#=================================================
# CREATE LOG FOLDER
#=================================================
ynh_print_info --message="Creating log folder..."

mkdir -p "/var/log/$app"
chown -R "$app":"$app" "/var/log/$app"

#=================================================
# CREATE DB FOLDER
#=================================================
ynh_print_info --message="Creating DB folder..."

mkdir -p "$final_path/distbin-db"
mkdir -p "$final_path/distbin-db/activities"
mkdir -p "$final_path/distbin-db/inbox"

#=================================================
# INSTALLING DISTBIN
#=================================================
ynh_print_info --message="Installing distin..."

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

pushd $final_path
    ynh_use_nodejs
    sudo -u $app env PATH=$PATH npm install --ignore-scripts
    sudo -u $app env PATH=$PATH npm run build
	cp package* dist/ 
popd

pushd $final_path/dist
    sudo -u $app env PATH=$PATH npm install --ignore-scripts  --production
popd

#=================================================
# SETUP SYSTEMD
#=================================================
ynh_print_info --message="Configuring a systemd service..."

# Create a dedicated systemd config
ynh_add_systemd_config

#=================================================
# MODIFY A CONFIG FILE
#=================================================
ynh_print_info --message="Modifying a config file..."

config="$final_path/.env"
cp "../conf/.env" "$config"

if [ "$path_url" == "/" ]
then
    domain_uri="$domain"
else
    domain_uri="$domain$path_url"
fi

ynh_replace_string --match_string="__NODEJS_PATH__" --replace_string="$nodejs_path" --target_file="$config"
ynh_replace_string --match_string="__PORT__" --replace_string="$port" --target_file="$config"
ynh_replace_string --match_string="__DOMAIN_URI__" --replace_string="$domain_uri" --target_file="$config"
ynh_replace_string --match_string="__FINALPATH__" --replace_string="$final_path" --target_file="$config"

#=================================================
# STORE THE CONFIG FILE CHECKSUM
#=================================================
ynh_print_info --message="Storing the config file checksum..."

# Calculate and store the config file checksum into the app settings
ynh_store_file_checksum --file="$config"

#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================
ynh_print_info --message="Securing files and directories..."

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

#=================================================
# SETUP LOGROTATE
#=================================================
ynh_print_info --message="Configuring log rotation..."

# Use logrotate to manage application logfile(s)
ynh_use_logrotate

#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_print_info --message="Integrate service in YunoHost..."

yunohost service add $app --description "$app daemon for distbin" --log "/var/log/$app/$app.log"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_print_info --message="Starting a systemd service..."

# Start a systemd service
ynh_systemd_action --service_name=$app --action="start" --log_path=systemd --line_match="Started Distbin Service"
sleep 10

#=================================================
# SETUP SSOWAT
#=================================================
ynh_print_info --message="Configuring SSOwat..."

# Make app public if necessary
if [ $is_public -eq 1 ]
then
	# unprotected_uris allows SSO credentials to be passed anyway.
	ynh_app_setting_set --app=$app --key=unprotected_uris --value="/"
fi

#=================================================
# RELOAD NGINX
#=================================================
ynh_print_info --message="Reloading nginx web server..."

ynh_systemd_action --service_name=nginx --action=reload

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

ynh_print_info --message="Installation of $app completed"