upgrade

#!/bin/bash

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

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

#=================================================
# LOAD SETTINGS
#=================================================

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get $app domain)
path_url=$(ynh_app_setting_get $app path)
admin=$(ynh_app_setting_get $app admin)
is_public=$(ynh_app_setting_get $app is_public)
final_path=$(ynh_app_setting_get $app final_path)
db_name=$(ynh_app_setting_get $app db_name)
db_pwd=$(ynh_app_setting_get $app db_pwd)
port=$(ynh_app_setting_get $app port)

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================

# Fix is_public as a boolean value
if [ "$is_public" = "Yes" ]; then
	ynh_app_setting_set $app is_public 1
	is_public=1
elif [ "$is_public" = "No" ]; then
	ynh_app_setting_set $app is_public 0
	is_public=0
fi

# If db_name doesn't exist, create it
if [ -z $db_name ]; then
	db_name=$(ynh_sanitize_dbid $app)
	ynh_app_setting_set $app db_name $db_name
fi

# If final_path doesn't exist, create it
if [ -z $final_path ]; then
	final_path=/var/www/$app
	ynh_app_setting_set $app final_path $final_path
fi

#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================

# Backup the current version of the app
ynh_backup_before_upgrade
ynh_clean_setup () {
	# restore it if the upgrade fails
	ynh_restore_upgradebackup
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors

#=================================================
# CHECK THE PATH
#=================================================

# Normalize the URL path syntax
path_url=$(ynh_normalize_url_path $path_url)

#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================

# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source "$final_path"

#=================================================
# NGINX CONFIGURATION
#=================================================

# Create a dedicated nginx config
ynh_add_nginx_config

#=================================================
# UPGRADE DEPENDENCIES
#=================================================

ynh_install_app_dependencies libjpeg-dev zlib1g-dev libfreetype6-dev default-libmysqlclient-dev python-dev
ynh_install_app_dependencies python-setuptools python-virtualenv

#=================================================
# CREATE DEDICATED USER
#=================================================

# Create a dedicated user (if not existing)
ynh_system_user_create $app  $final_path

#=================================================
# PHP-FPM CONFIGURATION
#=================================================

# Create a dedicated php-fpm config
#ynh_add_fpm_config

#=================================================
# SPECIFIC UPGRADE
#=================================================
# ...
#=================================================

# Delete the old environnement
sudo rm -rf "$final_path/venv"

# Creates the directory for Python Virtual Environment.
sudo mkdir -p "$final_path/venv"

# Set permissions mediadrop directory
sudo chown -R $app: $final_path

# Create a new virtual environment:
sudo -u $app virtualenv --distribute --no-site-packages $final_path/venv


# Prepare mediacore to be upgarded
sudo sed -i "s@allow_hosts = static.mediadrop.net@#allow_hosts = static.mediadrop.net@g" "${final_path}/setup.cfg"

# Move to final_path
pushd ${final_path}

# Now, activate that virtual environment
sudo bash -c "source ${final_path}/venv/bin/activate && pip install uwsgi && python setup.py develop"

# To create Basic Configuration File deployment.ini in your current dir
sudo bash -c "source ${final_path}/venv/bin/activate && paster make-config mediacore ${final_path}/deployment.ini"

# Adapt config Mediadrop
sudo sed -i 's,host = 0.0.0.0,host = 127.0.0.1,'  $final_path/deployment.ini
sudo sed -i 's,port = 8080,port = '${port}','  $final_path/deployment.ini
sudo sed -i 's,email_to = you@yourdomain.com,email_to = '${admin}'@'${domain}',' $final_path/deployment.ini
sudo sed -i 's,error_email_from = paste@localhost,error_email_from = '${admin}'@'${domain}',' $final_path/deployment.ini
sudo sed -i 's,mysql://username:pass@localhost/dbname?charset=utf8\&use_unicode=0,mysql://'${db_name}':'${db_pwd}'@localhost/'${db_name}'?charset=utf8\&use_unicode=0,' $final_path/deployment.ini
sudo sed -i 's,file_serve_method = default,file_serve_method = nginx_redirect,' $final_path/deployment.ini
sudo sed -i 's,# nginx_serve_path = __mediadrop_serve__,nginx_serve_path = __mediadrop_serve__,' $final_path/deployment.ini
sudo sed -i 's,static_files = true,static_files = false,' $final_path/deployment.ini
sudo sed -i 's,enable_gzip = true,enable_gzip = false,' $final_path/deployment.ini
sudo sed -i 's,static_files = false,static_files = true,' $final_path/deployment.ini
sudo sed -i "s,cache_dir = %(here)s/data,cache_dir = $final_path/data/," $final_path/deployment.ini
sudo sed -i "s,image_dir = %(here)s/data/images,image_dir = $final_path/data/images/," $final_path/deployment.ini
sudo sed -i "s,media_dir = %(here)s/data/media,media_dir = $final_path/data/media/," $final_path/deployment.ini
sudo sed -i 's,sqlalchemy.pool_recycle = 3600,sqlalchemy.pool_recycle = 200,' $final_path/deployment.ini

# Load Initial Data
sudo bash -c "source ${final_path}/venv/bin/activate && paster setup-app ${final_path}/deployment.ini"

# Move to script folder
popd


# Add uwsgi into deployment.ini (end of file)
sudo su -c "cat ../conf/uwsgi >> ${final_path}/deployment.ini"

sudo rm -fr /root/.python-eggs
sudo rm -fr /root/.cache/Python-Eggs


### Verify the checksum of a file, stored by `ynh_store_file_checksum` in the install script.
### And create a backup of this file if the checksum is different. So the file will be backed up if the admin had modified it.
ynh_backup_if_checksum_is_different "$final_path/deployment.ini"
# Recalculate and store the checksum of the file for the next upgrade.
ynh_store_file_checksum "$final_path/deployment.ini"

#=================================================
# SETUP LOGROTATE
#=================================================

# Use logrotate to manage app-specific logfile(s)
ynh_use_logrotate --non-append

#=================================================
# SETUP SYSTEMD
#=================================================

# Create a dedicated systemd config
ynh_add_systemd_config "$app" "mediadrop.service"
ynh_add_systemd_config "$app-uwsgi" "mediadrop-uwsgi.service"

systemctl stop "$app" "$app-uwsgi"
systemctl start "$app" "$app-uwsgi"

# Waiting start all services
sleep 30

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

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

#=================================================
# SETUP 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 unprotected_uris "/"
fi

#=================================================
# RELOAD NGINX
#=================================================

systemctl reload nginx