zabbix_ynh/scripts/remove

#!/bin/bash

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

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

#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading installation settings..."

app=$YNH_APP_INSTANCE_NAME

domain=$(ynh_app_setting_get --app=$app --key=domain)
port=$(ynh_app_setting_get --app=$app --key=port)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
db_user=$db_name
final_path=$(ynh_app_setting_get --app=$app --key=final_path)

#=================================================
# STANDARD REMOVE
#=================================================
# REMOVE SERVICE INTEGRATION IN YUNOHOST
#=================================================

ynh_script_progression --message="Removing snmpd service integration..."
yunohost service remove snmpd

ynh_script_progression --message="Removing Zabbix-server service integration..."
yunohost service remove zabbix-server

ynh_script_progression --message="Removing Zabbix-agent service integration..."
yunohost service remove zabbix-agent

#=================================================
# STOP AND REMOVE SERVICE
#=================================================
ynh_script_progression --message="Stopping and removing the systemd service..."

# Remove the dedicated systemd config
ynh_systemd_action --service_name=$app-server --action="stop" --log_path="/var/log/$app/${app}_server.log"
ynh_systemd_action --service_name=$app-agent --action="stop" --log_path="/var/log/$app/${app}_agent.log"

systemctl disable zabbix-server --quiet
systemctl disable zabbix-agent --quiet

ynh_exec_warn_less killall zabbix_server
ynh_exec_warn_less killall zabbix_agentd

#=================================================
# REMOVE THE MYSQL DATABASE
#=================================================
ynh_script_progression --message="Removing the MySQL database..."

# Remove a database if it exists, along with the associated user
ynh_mysql_remove_db --db_user=$db_user --db_name=$db_name

#=================================================
# REMOVE PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Removing PHP-FPM configuration..."

# Remove the dedicated PHP-FPM config
ynh_remove_fpm_config

#=================================================
# REMOVE DEPENDENCIES
#=================================================
ynh_script_progression --message="Removing dependencies..."

#Remove config file detection
delete_initZabbixConf

DEBIAN_FRONTEND=noninteractive apt-get purge zabbix-release -y
ynh_remove_app_dependencies

ynh_remove_extra_repo --name=$app

#=================================================
# REMOVE APP MAIN DIR
#=================================================
ynh_script_progression --message="Removing app main directory..."

# Remove the app directory securely
ynh_secure_remove --file="$final_path"
ynh_secure_remove --file="/usr/share/$app"

#=================================================
# REMOVE NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Removing NGINX web server configuration..."

# Remove the dedicated NGINX config
ynh_remove_nginx_config

#=================================================
# CLOSE A PORT
#=================================================

if yunohost firewall list | grep -q "\- $port$"
then
	ynh_script_progression --message="Closing port $port..."
	ynh_exec_warn_less yunohost firewall disallow TCP $port
fi

#=================================================
# SPECIFIC REMOVE
#=================================================
# REMOVE VARIOUS FILES
#=================================================
ynh_script_progression --message="Removing various files..."

# Remove a directory securely
ynh_secure_remove --file="/etc/$app"

# Remove the log files
ynh_secure_remove --file="/var/log/$app"

ynh_secure_remove --file="/run/$app"

ynh_secure_remove --file="/etc/sudoers.d/$app"

#REMOVE NONFREE PART PATCH IF NEEDED (snmp-mibs-downloader (non-free) installed in version 1)
nonfreepackagelist=$(dpkg-query -W -f='${Section}\t${Package}\n' | grep ^non-free)
if [ $(echo $nonfreepackagelist | wc -l) -eq 1 ] && [ $(echo $nonfreepackagelist | grep -c "snmp-mibs-downloader") -eq 1 ]
then 
	ynh_print_info --message="Removing snmp-mibs-downloader (non-free package)"
	cp /var/lib/dpkg/status{,.$(date "+%m%d%y")}
	ynh_replace_string --match_string=" snmp-mibs-downloader," --replace_string="" --target_file=/var/lib/dpkg/status
	DEBIAN_FRONTEND=noninteractive apt purge snmp-mibs-downloader -y
	if [ -f /etc/apt/sources.list.d/non-free.list ]
	then
		ynh_secure_remove --file="/etc/apt/sources.list.d/non-free.list"
	fi
fi

#=================================================
# GENERIC FINALIZATION
#=================================================
# REMOVE DEDICATED USER
#=================================================
ynh_script_progression --message="Removing the dedicated system user..."

# Delete a system user
ynh_system_user_delete --username=$app

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

ynh_script_progression --message="Removal of $app completed"