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pihole_ynh/scripts/install
2021-09-14 16:51:59 +02:00

433 lines
16 KiB
Bash

#!/bin/bash
#=================================================
# GENERIC STARTING
#=================================================
# IMPORT GENERIC HELPERS
#=================================================
# Load common variables for all scripts.
source _variables
source _common.sh
source /usr/share/yunohost/helpers
#=================================================
# MANAGE FAILURE OF THE SCRIPT
#=================================================
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors
#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================
domain=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH
admin=$YNH_APP_ARG_ADMIN
query_logging=$YNH_APP_ARG_QUERY_LOGGING
enable_dhcp=$YNH_APP_ARG_ENABLE_DHCP
pihole_version="$YNH_APP_ARG_PIHOLE_VERSION"
app=$YNH_APP_INSTANCE_NAME
#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THIS ARGS
#=================================================
ynh_script_progression --message="Validating installation parameters..." --weight=2
final_path=/var/www/$app
test ! -e "$final_path" || ynh_die --message="This path already contains a folder"
# Register (book) web path
ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url
#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_script_progression --message="Storing installation settings..." --weight=3
ynh_app_setting_set --app=$app --key=domain --value=$domain
ynh_app_setting_set --app=$app --key=path --value=$path_url
ynh_app_setting_set --app=$app --key=admin --value=$admin
ynh_app_setting_set --app=$app --key=query_logging --value=$query_logging
ynh_app_setting_set --app=$app --key=enable_dhcp --value=$enable_dhcp
ynh_app_setting_set --app=$app --key=pihole_version --value="$pihole_version"
ynh_app_setting_set --app=$app --key=overwrite_setupvars --value=1
ynh_app_setting_set --app=$app --key=overwrite_ftl --value=1
ynh_app_setting_set --app=$app --key=overwrite_nginx --value=1
ynh_app_setting_set --app=$app --key=overwrite_phpfpm --value=1
ynh_app_setting_set --app=$app --key=admin_mail_html --value=1
#=================================================
# STANDARD MODIFICATIONS
#=================================================
# FIND AND OPEN A PORT
#=================================================
ynh_script_progression --message="Finding an available port..." --weight=12
# Find a free port
port=$(ynh_find_port --port=4711)
if [ $port -gt 4720 ]
then
ynh_die --message="The ports 4711 to 4720 are already in use. Pi-hole can't work on another port. Please try to free one of these ports."
fi
ynh_app_setting_set --app=$app --key=port --value=$port
# Disable the port 53 for upnp
ynh_exec_fully_quiet yunohost firewall disallow Both 53 --no-reload
ynh_exec_fully_quiet yunohost firewall allow Both 53 --no-upnp
#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..." --weight=12
ynh_install_app_dependencies $app_depencencies
#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..." --weight=2
# Create a dedicated system user
ynh_system_user_create --username=$app
#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=4
ynh_app_setting_set --app=$app --key=final_path --value=$final_path
# Make a copy of local pihole repository (for Gravity)
pihole_local_repo="/etc/.pihole"
if [ "$pihole_version" == "Last 3.X" ]
then
# Install the version 3.3.1
ynh_setup_source --dest_dir="$pihole_local_repo" --source_id=app_3
# Install admin dashboard
ynh_setup_source --dest_dir="$final_path" --source_id=admin_dashboard_3
else
# Install the last version available
ynh_setup_source --dest_dir="$pihole_local_repo" --source_id=app_last
# Install admin dashboard
ynh_setup_source --dest_dir="$final_path" --source_id=admin_dashboard_last
fi
chown $app:www-data "$final_path"
#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring nginx web server..." --weight=2
# Create a dedicated nginx config
ynh_add_nginx_config
#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring php-fpm..." --weight=2
# Create a dedicated php-fpm config
ynh_add_fpm_config --usage=low --footprint=low --dedicated_service
#=================================================
# SPECIFIC SETUP
#=================================================
# CREATE DIRECTORIES AND POPULATE THEM
#=================================================
ynh_script_progression --message="Creating and populating directories..."
pihole_storage="/etc/pihole"
mkdir -p "$pihole_storage"
chown $app: -R "$pihole_storage"
pihole_dir="/opt/pihole"
mkdir -p "$pihole_dir"
# Make a copy of Pi-Hole scripts
cp -a "$pihole_local_repo/gravity.sh" "$pihole_dir/"
cp -a $pihole_local_repo/advanced/Scripts/*.sh "$pihole_dir/"
# And copy this fucking COL_TABLE file...
cp -a "$pihole_local_repo/advanced/Scripts/COL_TABLE" "$pihole_dir/"
#=================================================
# COPY PI-HOLE MAIN SCRIPT
#=================================================
ynh_script_progression --message="Copying Pi-Hole main script..."
cp -a "$pihole_local_repo/pihole" /usr/local/bin/
cp -a "$pihole_local_repo/advanced/bash-completion/pihole" /etc/bash_completion.d/pihole
#=================================================
# CREATE LOG FILES
#=================================================
touch /var/log/{pihole,pihole-FTL}.log
chmod 644 /var/log/{pihole,pihole-FTL}.log
dnsmasq_user=$(grep DNSMASQ_USER= /etc/init.d/dnsmasq | cut -d'"' -f2)
chown $dnsmasq_user:root /var/log/{pihole,pihole-FTL}.log
#=================================================
# CREATE SUDOER FILE
#=================================================
# This sudoers config allow pihole to execute /usr/local/bin/pihole as root without password. Nothing more.
if [ "$pihole_version" == "Last 3.X" ]
then
cp "$pihole_local_repo/advanced/pihole.sudo" /etc/sudoers.d/pihole
else
cp "$pihole_local_repo/advanced/Templates/pihole.sudo" /etc/sudoers.d/pihole
fi
echo "$app ALL=NOPASSWD: /usr/local/bin/pihole" >> /etc/sudoers.d/pihole
# echo "Defaults secure_path = /sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin" >> /etc/sudoers.d/pihole
chmod 0440 /etc/sudoers.d/pihole
#=================================================
# INSTALL LOGROTATE SCRIPT FOR PI-HOLE
#=================================================
if [ "$pihole_version" == "Last 3.X" ]
then
cp "$pihole_local_repo/advanced/logrotate" "$pihole_storage/logrotate"
else
cp "$pihole_local_repo/advanced/Templates/logrotate" "$pihole_storage/logrotate"
fi
sed -i "/# su #/d;" "$pihole_storage/logrotate"
#=================================================
# INSTALLATION OF PIHOLE-FTL
#=================================================
ynh_script_progression --message="Installing PiHole-FTL..." --weight=30
# Get the source of Pi-Hole-FTL
FTL_temp_path=$(mktemp -d)
if [ "$pihole_version" == "Last 3.X" ]
then
# Install the version 3.3.1
ynh_setup_source --dest_dir="$FTL_temp_path" --source_id=FTL_3
else
# Install the last version available
ynh_setup_source --dest_dir="$FTL_temp_path" --source_id=FTL_last
fi
# Instead of downloading a binary file, we're going to compile it
( cd "$FTL_temp_path"
if [ "$pihole_version" == "Last available" ]
then
ynh_exec_warn_less cmake .
fi
ynh_exec_warn_less make
ynh_exec_warn_less make install )
ynh_secure_remove --file="$FTL_temp_path"
cp "../conf/dns-servers.conf" "$pihole_storage"
ynh_add_config --template="../conf/pihole-FTL.conf" --destination="$pihole_storage/pihole-FTL.conf"
if [ "$pihole_version" == "Last 3.X" ]
then
# Version 3.3.1
cp -a $pihole_local_repo/advanced/pihole-FTL.service /etc/init.d/pihole-FTL
chmod +x /etc/init.d/pihole-FTL
ynh_exec_warn_less systemctl enable pihole-FTL --quiet
else
# 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
cp -a $pihole_local_repo/advanced/Templates/pihole-FTL.service /etc/init.d/pihole-FTL
chmod +x /etc/init.d/pihole-FTL
ynh_exec_warn_less systemctl enable pihole-FTL --quiet
# Replace the service dnsmasq by pihole-FTL
# That way, YunoHost can continue to use dnsmasq by actually using pihole-FTL
ln -s /run/systemd/generator.late/pihole-FTL.service /etc/systemd/system/dnsmasq.service
# Reload systemd config
systemctl daemon-reload
fi
#=================================================
# BUILD VARIABLES FILE
#=================================================
setupVars="$pihole_storage/setupVars.conf"
# Get the default network interface
main_iface=$(ip route | grep --max-count=1 default | awk '{print $5;}')
echo "PIHOLE_INTERFACE=$main_iface" > $setupVars
echo "IPV4_ADDRESS=127.0.0.1" >> $setupVars
echo "IPV6_ADDRESS=::1" >> $setupVars
echo "PIHOLE_DNS_1=" >> $setupVars
echo "PIHOLE_DNS_2=" >> $setupVars
if [ $query_logging -eq 1 ]; then
query_logging=true
else
query_logging=false
fi
echo "QUERY_LOGGING=$query_logging" >> $setupVars
echo "INSTALL_WEB=true" >> $setupVars
# Calculate and store the config file checksum into the app settings
ynh_store_file_checksum --file="$setupVars"
#=================================================
# CONFIGURE DNS FOR THE LOCAL DOMAINS
#=================================================
ynh_script_progression --message="Configuring dns for the local domains..." --weight=7
# 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/.*: \|.*- //')"
#=================================================
# ENABLE DHCP SERVER
#=================================================
# Open the UDP port 67 for dhcp
ynh_exec_fully_quiet yunohost firewall allow UDP 67 --no-upnp
#=================================================
# SET VERSIONS FOR THE FOOTER OF THE WEB INTERFACE
#=================================================
echo "master master master" > $pihole_storage/localbranches
echo "$pihole_core_version $dashboard_version $FTL_version" | tee $pihole_storage/{GitHubVersions,localversions} > /dev/null
#=================================================
# INSTALL CRON JOB
#=================================================
if [ "$pihole_version" == "Last 3.X" ]
then
cp $pihole_local_repo/advanced/pihole.cron /etc/cron.d/pihole
else
cp $pihole_local_repo/advanced/Templates/pihole.cron /etc/cron.d/pihole
fi
# Remove git usage for version. Which fails because we use here a release instead of master.
ynh_replace_string --match_string=".*updatechecker.*" --replace_string="#&" --target_file=/etc/cron.d/pihole
#=================================================
# RESTART DNSMASQ
#=================================================
# Restart dnsmasq only for the version 3.X, otherwise we're going to restart it twice.
if [ "$pihole_version" == "Last 3.X" ]
then
ynh_script_progression --message="Restarting Dnsmasq..." --weight=2
ynh_systemd_action --action=restart --service_name=dnsmasq
fi
#=================================================
# BUILD THE LISTS WITH GRAVITY
#=================================================
ynh_script_progression --message="Building the lists with Gravity..." --weight=7
if [ "$pihole_version" == "Last 3.X" ]
then
cp "$pihole_local_repo/adlists.default" "$pihole_storage/adlists.default"
else
cp "../conf/adlists.default" "$pihole_storage/adlists.list"
fi
ynh_exec_warn_less /opt/pihole/gravity.sh
#=================================================
# SET UP CONF_REGEN HOOK
#=================================================
cp ../conf/dnsmasq_regenconf_hook /usr/share/yunohost/hooks/conf_regen/50-dnsmasq_$app
ynh_replace_string --match_string="__APP__" --replace_string="$app" --target_file="/usr/share/yunohost/hooks/conf_regen/50-dnsmasq_$app"
systemctl daemon-reload
ynh_exec_warn_less yunohost tools regen-conf dnsmasq
#=================================================
# START PIHOLE-FTL
#=================================================
ynh_script_progression --message="Restarting PiHole-FTL..." --weight=2
ynh_systemd_action --action=restart --service_name=pihole-FTL
#=================================================
# GENERIC FINALISATION
#=================================================
# ADVERTISE SERVICE IN ADMIN PANEL
#=================================================
yunohost service add pihole-FTL --description="PiHole backend service" --log="/var/log/pihole-FTL.log"
#=================================================
# RESTRAIN THE ACCESS TO THE ADMIN ONLY
#=================================================
ynh_script_progression --message="Restraining the access to the admin only..." --weight=2
ynh_permission_update --permission="main" --add="$admin" --remove="all_users"
#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --weight=3
ynh_systemd_action --service_name=nginx --action=reload
#=================================================
# 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=install
#=================================================
# END OF SCRIPT
#=================================================
ynh_script_progression --message="Installation of $app completed" --last