zabbix_ynh/scripts/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 $app final_path)
language=$(ynh_app_setting_get $app language)
db_name=$(ynh_app_setting_get $app db_name)

#=================================================
# 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
#=================================================

DEBIAN_FRONTEND=noninteractive apt-mark unhold zabbix-server-mysql zabbix-frontend-php
ynh_package_update
DEBIAN_FRONTEND=noninteractive apt-get -y download zabbix-frontend-php
ar x *.deb
tar xzf control.tar.gz
sed -i 's/apache2 | httpd, //' control
tar --ignore-failed-read -cvzf control.tar.gz {post,pre}{inst,rm} md5sums control
ar rcs zabbix-frontend-php+stretch_all-noapache2.deb debian-binary control.tar.gz data.tar.xz
dpkg -i zabbix-frontend-php+stretch_all-noapache2.deb
rm -fr zabbix-*.deb
apt-get -y --only-upgrade install zabbix-server-mysql zabbix-agent
DEBIAN_FRONTEND=noninteractive apt-mark hold zabbix-server-mysql zabbix-frontend-php


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

ynh_restore_file "$final_path/conf/zabbix.conf.php" "final_path/conf/zabbix.conf.php"
ynh_restore_file "/etc/zabbix/zabbix_server.conf" "/etc/zabbix/zabbix_server.conf"
ynh_restore_file "/etc/zabbix/zabbix_agentd.conf" "/etc/zabbix/zabbix_agentd.conf"
ynh_restore_file "/etc/zabbix/zabbix_agentd.d" "/etc/zabbix/zabbix_agentd.d"

#=================================================
# 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

#=================================================
# 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