1
0
Fork 0
mirror of https://github.com/YunoHost-Apps/pihole_ynh.git synced 2024-09-03 20:05:58 +02:00
pihole_ynh/scripts/restore
2021-09-14 16:51:59 +02:00

301 lines
12 KiB
Bash

#!/bin/bash
#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================
# Load common variables for all scripts.
source ../settings/scripts/_variables
source ../settings/scripts/_common.sh
source /usr/share/yunohost/helpers
#=================================================
# MANAGE SCRIPT FAILURE
#=================================================
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors
#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading settings..." --weight=2
app=$YNH_APP_INSTANCE_NAME
domain=$(ynh_app_setting_get --app=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
enable_dhcp=$(ynh_app_setting_get --app=$app --key=enable_dhcp)
admin=$(ynh_app_setting_get --app=$app --key=admin)
pihole_version="$(ynh_app_setting_get --app=$app --key=pihole_version)"
# Get variables from ynh_add_fpm_config
fpm_footprint=$(ynh_app_setting_get --app=$app --key=fpm_footprint)
fpm_usage=$(ynh_app_setting_get --app=$app --key=fpm_usage)
fpm_config_dir=$(ynh_app_setting_get --app=$app --key=fpm_config_dir)
fpm_service=$(ynh_app_setting_get --app=$app --key=fpm_service)
#=================================================
# CHECK IF THE APP CAN BE RESTORED
#=================================================
ynh_script_progression --message="Validating restoration parameters..."
ynh_webpath_available --domain=$domain --path_url=$path_url \
|| ynh_die --message="Path not available: ${domain}${path_url}"
test ! -d $final_path \
|| ynh_die --message="There is already a directory: $final_path "
#=================================================
# ACTIVATE MAINTENANCE MODE
#=================================================
ynh_script_progression --message="Activating maintenance mode..." --weight=2
ynh_maintenance_mode_ON
#=================================================
# STANDARD RESTORE STEPS
#=================================================
# RESTORE THE NGINX CONFIGURATION
#=================================================
ynh_restore_file --origin_path="/etc/nginx/conf.d/$domain.d/$app.conf"
#=================================================
# RESTORE THE MAIN DIRECTORIES OF THE APP
#=================================================
ynh_script_progression --message="Restoring the app main directory..."
ynh_restore_file --origin_path="$final_path"
ynh_restore_file --origin_path="/etc/.pihole"
ynh_restore_file --origin_path="/etc/pihole"
ynh_restore_file --origin_path="/opt/pihole"
#=================================================
# RECREATE THE DEDICATED USER
#=================================================
ynh_script_progression --message="Recreating the dedicated system user..." --weight=2
# Create the dedicated user (if not existing)
ynh_system_user_create --username=$app
#=================================================
# RESTORE USER RIGHTS
#=================================================
# Restore permissions on app files
chown $app: -R "/etc/pihole"
# /etc/pihole/logrotate have to belong to root, otherwise logrotate will failed silently...
chown root: -R "/etc/pihole/logrotate"
#=================================================
# RESTORE THE PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Reconfiguring PHP-FPM..." --weight=7
# Restore the file first, so it can have a backup if different
ynh_restore_file --origin_path="$fpm_config_dir/php-fpm-$app.conf"
ynh_restore_file --origin_path="$fpm_config_dir/pool.d/$app.conf"
# Recreate a dedicated php-fpm config
ynh_add_fpm_config --usage=$fpm_usage --footprint=$fpm_footprint --dedicated_service
#=================================================
# SPECIFIC RESTORE
#=================================================
# REINSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Reinstalling dependencies..." --weight=12
ynh_install_app_dependencies $app_depencencies
#=================================================
# ADVERTISE SERVICE IN ADMIN PANEL
#=================================================
yunohost service add pihole-FTL --description="PiHole backend service" --log="/var/log/pihole-FTL.log"
#=================================================
# RESTORE THE CRON FILE
#=================================================
ynh_restore_file --origin_path="/etc/cron.d/pihole"
#=================================================
# RECREATE LOG FILES
#=================================================
touch /var/log/pihole.log
chmod 644 /var/log/pihole.log
dnsmasq_user=$(grep DNSMASQ_USER= /etc/init.d/dnsmasq | cut -d'"' -f2)
chown $dnsmasq_user:root /var/log/pihole.log
#=================================================
# RESTORE SPECIFIC FILES
#=================================================
ynh_script_progression --message="Restoring specific files..."
ynh_restore_file --origin_path="/usr/local/bin/pihole"
ynh_restore_file --origin_path="/etc/bash_completion.d/pihole"
ynh_restore_file --origin_path="/etc/sudoers.d/pihole"
ynh_restore_file --origin_path="/etc/init.d/pihole-FTL"
ynh_restore_file --origin_path="/usr/bin/pihole-FTL"
ynh_restore_file --origin_path="/usr/share/yunohost/hooks/conf_regen/50-dnsmasq_$app"
#=================================================
# REPLACE THE DEFAULT DNSMASQ BY PIHOLE-FTL
#=================================================
if [ "$pihole_version" == "Last available" ]
then
# Last version available
# Stopped dnsmasq to replace it by pihole-FTL
ynh_systemd_action --action=stop --service_name=dnsmasq
# Disable the real dnsmasq service
ynh_exec_warn_less systemctl disable dnsmasq --quiet
# And move the files that make the service available in systemd to really disable it
mv /lib/systemd/system/dnsmasq.service /lib/systemd/system/.dnsmasq.service.backup_by_pihole
mv /etc/init.d/dnsmasq /etc/init.d/.dnsmasq.backup_by_pihole
# Move dnsmasq to preserve the current binary
mv /usr/sbin/dnsmasq /usr/sbin/dnsmasq.backup_by_pihole
# Replace dnsmasq by pihole-FTL
# NOTE: pihole-FTL is actually a modified version of dnsmasq
# https://github.com/pi-hole/FTL/tree/master/dnsmasq
ln -s /usr/bin/pihole-FTL /usr/sbin/dnsmasq
pihole_local_repo="/etc/.pihole"
cp -a $pihole_local_repo/advanced/Templates/pihole-FTL.service /etc/init.d/pihole-FTL
chmod +x /etc/init.d/pihole-FTL
ynh_exec_warn_less systemctl enable pihole-FTL --quiet
# Replace the service dnsmasq by pihole-FTL
# That way, YunoHost can continue to use dnsmasq by actually using pihole-FTL
ln -s /run/systemd/generator.late/pihole-FTL.service /etc/systemd/system/dnsmasq.service
# Reload systemd config
systemctl daemon-reload
fi
#=================================================
# RESTORE DNSMASQ CONFIG
#=================================================
ynh_script_progression --message="Restoring Dnsmasq config..."
test -e "${YNH_APP_BACKUP_DIR}/etc/dnsmasq.d/03-pihole-wildcard.conf" && \
ynh_restore_file --origin_path="/etc/dnsmasq.d/03-pihole-wildcard.conf"
systemctl daemon-reload
ynh_exec_warn_less yunohost tools regen-conf dnsmasq
#=================================================
# CONFIGURE DNS FOR THE LOCAL DOMAINS
#=================================================
ynh_script_progression --message="Configuring dns for the local domains..." --weight=2
# Get the default network interface
main_iface=$(ip route | grep --max-count=1 default | awk '{print $5;}')
# Find the IP associated to the network interface
localipv4=$(ip address | grep "${main_iface}\$" | awk '{print $2;}' | cut -d/ -f1)
# List all YunoHost domains
while read perdomain
do
# Comment domain resolution in /etc/hosts on 127.0.0.1, because they can interfere with the local network resolution.
ynh_replace_string --match_string="^127.0.0.1.*$perdomain" --replace_string="#Commented by pihole# &" --target_file=/etc/hosts
# And add a resolution on the local IP instead
grep -q "^$localipv4.*$perdomain" /etc/hosts || \
echo "$localipv4 $perdomain #Added by pihole#" >> /etc/hosts
done <<< "$(yunohost domain list | grep "\." | sed 's/.*: \|.*- //')"
#=================================================
# RESTART DNSMASQ
#=================================================
# Restart dnsmasq only for the version 3.X, otherwise we're going to restart it twice.
if [ "$pihole_version" == "Last 3.X" ]
then
ynh_script_progression --message="Restarting Dnsmasq..."
ynh_systemd_action --action=restart --service_name=dnsmasq
fi
#=================================================
# UPDATE VARIABLES FILE
#=================================================
setupVars="/etc/pihole/setupVars.conf"
echo "PIHOLE_INTERFACE=$main_iface" > $setupVars
ynh_replace_string --match_string="^PIHOLE_INTERFACE=.*" --replace_string="PIHOLE_INTERFACE=$main_iface" --target_file=$setupVars
ynh_replace_string --match_string="^IPV4_ADDRESS=.*" --replace_string="IPV4_ADDRESS=127.0.0.1" --target_file=$setupVars
# Recalculate and store the checksum of the file for the next upgrade.
ynh_store_file_checksum --file="$setupVars"
#=================================================
# START PIHOLE-FTL
#=================================================
ynh_script_progression --message="Restarting PiHole-FTL..." --weight=2
ynh_exec_warn_less systemctl enable pihole-FTL --quiet
ynh_systemd_action --action=restart --service_name=pihole-FTL
#=================================================
# GENERIC FINALISATION
#=================================================
# RELOAD NGINX AND PHP-FPM
#=================================================
ynh_script_progression --message="Reloading NGINX web server and PHP-FPM..."
ynh_systemd_action --service_name=$fpm_service --action=reload
ynh_systemd_action --service_name=nginx --action=reload
#=================================================
# DEACTIVE MAINTENANCE MODE
#=================================================
ynh_script_progression --message="Disabling maintenance mode..." --weight=4
ynh_maintenance_mode_OFF
#=================================================
# SEND A README FOR THE ADMIN
#=================================================
# Get main domain and buid the url of the admin panel of the app.
admin_panel="https://$(grep portal_domain /etc/ssowat/conf.json | cut -d'"' -f4)/yunohost/admin/#/apps/$app"
if [ $enable_dhcp -eq 1 ]
then
dhcp_alert="You asked to use the internal DHCP server of Dnsmasq with PiHole.
You should really read the __URL_TAG1__documentation about that__URL_TAG2__https://github.com/YunoHost-Apps/pihole_ynh/blob/master/dhcp.md__URL_TAG3__
"
else
dhcp_alert=""
fi
echo "${dhcp_alert}You can configure this app easily by using the experimental __URL_TAG1__config-panel feature__URL_TAG2__$admin_panel/config-panel__URL_TAG3__.
You can also find some specific actions for this app by using the experimental __URL_TAG1__action feature__URL_TAG2__$admin_panel/actions__URL_TAG3__.
If you're facing an issue or want to improve this app, please open a new issue in this __URL_TAG1__project__URL_TAG2__https://github.com/YunoHost-Apps/pihole_ynh__URL_TAG3__." > mail_to_send
ynh_send_readme_to_admin --app_message="mail_to_send" --recipients="$admin" --type=restore
#=================================================
# END OF SCRIPT
#=================================================
ynh_script_progression --message="Restoration completed for $app" --last