grafana_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..." --weight=1

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

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

# Remove the service from the list of services known by Yunohost (added from `yunohost service add`)
if ynh_exec_warn_less yunohost service status grafana-server >/dev/null
then
	ynh_script_progression --message="Removing grafana services..." --weight=1
	yunohost service remove grafana-server
	yunohost service remove influxdb
fi

#=================================================
# REMOVE THE MYSQL DATABASE
#=================================================
ynh_script_progression --message="Removing the MySQL database..." --weight=3

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

#=================================================
# REMOVE DEPENDENCIES
#=================================================
ynh_script_progression --message="Removing dependencies..." --weight=26

# Remove metapackage and its dependencies
ynh_remove_app_dependencies

#=================================================
# REMOVE NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Removing nginx web server configuration..." --weight=1

# Remove the dedicated nginx config
ynh_remove_nginx_config

#=================================================
# SPECIFIC REMOVE
#=================================================

# If NetData is installed, configure it not to feed InfluxDB any more
netdata_conf="/opt/netdata/etc/netdata/netdata.conf"
if [[ -f "$netdata_conf" ]] ; then
  sed -i '/^\[backend\]$/,/^\[/ {
    s/enabled = yes/# enabled = no/
    s/type = opentsdb/# type = graphite/
    s/destination = localhost:4242/# destination = localhost/
    s/update every = 60/# update every = 10/
  }' $netdata_conf
fi

ynh_secure_remove --file="/etc/grafana/grafana.ini"

#=================================================
# GENERIC FINALIZATION
#=================================================

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

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