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pihole_ynh/scripts/install
2020-03-29 20:08:10 +02:00

401 lines
16 KiB
Bash

#!/bin/bash
#=================================================
# GENERIC STARTING
#=================================================
# IMPORT GENERIC HELPERS
#=================================================
source _common.sh
source /usr/share/yunohost/helpers
source _ynh_add_fpm_config
# Load common variables for all scripts.
source _variables
#=================================================
# 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=$YNH_APP_ARG_ENABLE_DHCP
app=$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=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="Configuring firewall..." --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 works on another port. Please try to free one of this ports."
fi
# Open this port
ynh_exec_fully_quiet yunohost firewall allow --no-upnp TCP $port
ynh_app_setting_set --app=$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 $app_depencencies
#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=4
ynh_app_setting_set --app=$app --key=final_path --value=$final_path
# Make a copy of local pihole repository (for Gravity)
pihole_local_repo="/etc/.pihole"
ynh_setup_source --dest_dir="$pihole_local_repo"
# Install admin dashboard
ynh_setup_source --dest_dir="$final_path" --source_id=admin_dashboard
#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring nginx web server..." --weight=2
# Create a dedicated nginx config
ynh_add_nginx_config
#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..." --weight=2
# Create a dedicated system user
ynh_system_user_create --username=$app
#=================================================
# 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
#=================================================
# 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.log
chmod 644 /var/log/pihole.log
dnsmasq_user=$(grep DNSMASQ_USER= /etc/init.d/dnsmasq | cut -d'"' -f2)
chown $dnsmasq_user:root /var/log/pihole.log
#=================================================
# CREATE SUDOER FILE
#=================================================
# This sudoers config allow pihole to execute /usr/local/bin/pihole as root without password. Nothing more.
cp "$pihole_local_repo/advanced/pihole.sudo" /etc/sudoers.d/pihole
echo "$app ALL=NOPASSWD: /usr/local/bin/pihole" >> /etc/sudoers.d/pihole
# echo "Defaults secure_path = /sbin:/bin:/usr/sbin:/usr/bin:/usr/local/bin" >> /etc/sudoers.d/pihole
chmod 0440 /etc/sudoers.d/pihole
#=================================================
# INSTALL LOGROTATE SCRIPT FOR PI-HOLE
#=================================================
cp "$pihole_local_repo/advanced/logrotate" "$pihole_storage/logrotate"
sed -i "/# su #/d;" "$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=$(mktemp -d)
ynh_setup_source --dest_dir="$FTL_temp_path" --source_id=FTL
# Instead of downloading a binary file, we're going to compile it
( cd "$FTL_temp_path"
ynh_exec_warn_less make
ynh_exec_warn_less make install )
ynh_secure_remove --file="$FTL_temp_path"
cp "../conf/pihole-FTL.conf" "$pihole_storage"
# Calculate and store the config file checksum into the app settings
ynh_store_file_checksum --file="$pihole_storage/pihole-FTL.conf"
cp -a $pihole_local_repo/advanced/pihole-FTL.service /etc/init.d/pihole-FTL
chmod +x /etc/init.d/pihole-FTL
ynh_exec_warn_less systemctl enable pihole-FTL
#=================================================
# BUILD VARIABLES FILE
#=================================================
setupVars="$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"
#=================================================
# SET UP DNSMASQ CONFIG
#=================================================
ynh_script_progression --message="Setting up Dnsmasq config..." --weight=2
ynh_systemd_action --action=stop --service_name=dnsmasq
pihole_dnsmasq_config="/etc/dnsmasq.d/01-pihole.conf"
cp "$pihole_local_repo/advanced/01-pihole.conf" $pihole_dnsmasq_config
# Use dns from /etc/resolv.dnsmasq.conf
ynh_replace_string --match_string="@DNS1@" --replace_string="" --target_file=$pihole_dnsmasq_config
ynh_replace_string --match_string="@DNS2@" --replace_string="" --target_file=$pihole_dnsmasq_config
ynh_replace_string --match_string="^no-resolv" --replace_string="#no-resolv" --target_file=$pihole_dnsmasq_config
ynh_replace_string --match_string="@INT@" --replace_string="$main_iface" --target_file=$pihole_dnsmasq_config
if [ "$query_logging" = "true" ]; then
ynh_replace_string --match_string="^#log-queries" --replace_string="log-queries" --target_file=$pihole_dnsmasq_config
else
ynh_replace_string --match_string="^log-queries" --replace_string="#log-queries" --target_file=$pihole_dnsmasq_config
fi
# Fix a too recent option for our dnsmasq version.
ynh_replace_string --match_string="log-queries=extra" --replace_string="log-queries" --target_file=$pihole_dnsmasq_config
# Calculate and store the config file checksum into the app settings
ynh_store_file_checksum --file="$pihole_dnsmasq_config"
# To prevent any conflict with the original dnsmasq config, comment cache-size in the original config.
ynh_replace_string --match_string="^cache-size=" --replace_string="#pihole# cache-size=" --target_file=/etc/dnsmasq.conf
#=================================================
# CONFIGURE DNS FOR THE LOCAL DOMAINS
#=================================================
ynh_script_progression --message="Configuring dns for the local domains..." --weight=7
# Find the IP associated to the network interface
localipv4=$(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
#=================================================
if [ $enable_dhcp -eq 1 ]
then
ynh_script_progression --message="Enabling dhcp server..."
max_dhcp_range=250
dhcp_range=100
# Define the dhcp range from the current ip
ip_beginning_part=$(echo "$localipv4" | cut -d. -f1-3)
ip_fourth_part=$(echo "$localipv4" | cut -d. -f4)
b_range=$(( $ip_fourth_part + $dhcp_range ))
if [ $b_range -gt $max_dhcp_range ]; then
b_range=$max_dhcp_range
fi
a_range=$(( $b_range - $dhcp_range ))
# Get the gateway
gateway=$(ip route | grep default | awk '{print $3;}')
# And the mac adress
hw_adress=$(ip link | grep -A1 "$main_iface" | tail -n1 | awk '{print $2;}')
# Copy the config file
cp "../conf/02-pihole-dhcp.conf" "/etc/dnsmasq.d/"
# And set the config
ynh_replace_string --match_string="__A_RANGE__" --replace_string="$ip_beginning_part.$a_range" --target_file="/etc/dnsmasq.d/02-pihole-dhcp.conf"
ynh_replace_string --match_string="__B_RANGE__" --replace_string="$ip_beginning_part.$b_range" --target_file="/etc/dnsmasq.d/02-pihole-dhcp.conf"
ynh_replace_string --match_string="__GATEWAY__" --replace_string="$gateway" --target_file="/etc/dnsmasq.d/02-pihole-dhcp.conf"
# Set a static ip for the server.
echo "dhcp-host=$hw_adress,$localipv4" > "/etc/dnsmasq.d/04-pihole-static-dhcp.conf"
fi
# Open the UDP port 67 for dhcp
ynh_exec_fully_quiet yunohost firewall allow UDP 67 --no-upnp
#=================================================
# RESTART DNSMASQ
#=================================================
ynh_script_progression --message="Restarting Dnsmasq..." --weight=2
ynh_systemd_action --action=restart --service_name=dnsmasq
#=================================================
# INSTALL CRON JOB
#=================================================
cp $pihole_local_repo/advanced/pihole.cron /etc/cron.d/pihole
# Remove git usage for version. Which fails because we use here a release instead of master.
ynh_replace_string --match_string=".*updatechecker.*" --replace_string="#&" --target_file=/etc/cron.d/pihole
#=================================================
# BUILD THE LISTS WITH GRAVITY
#=================================================
ynh_script_progression --message="Building the lists with Gravity..." --weight=7
cp "$pihole_local_repo/adlists.default" "$pihole_storage/adlists.default"
ynh_exec_warn_less /opt/pihole/gravity.sh
#=================================================
# START PIHOLE-FTL
#=================================================
ynh_script_progression --message="Restarting PiHole-FTL..." --weight=2
ynh_systemd_action --action=restart --service_name=pihole-FTL
#=================================================
# SET UP CONF_REGEN HOOK
#=================================================
cp ../conf/dnsmasq_regenconf_hook /usr/share/yunohost/hooks/conf_regen/50-dnsmasq_$app
#=================================================
# 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
yunohost app addaccess --users=$admin $app
#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading nginx web server..." --weight=3
ynh_systemd_action --service_name=nginx --action=reload
#=================================================
# SEND A README FOR THE ADMIN
#=================================================
# Get main domain and buid the url of the admin panel of the app.
admin_panel="https://$(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