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adguardhome_ynh/scripts/upgrade
2023-03-03 14:02:16 +00:00

255 lines
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#!/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=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path)
admin=$(ynh_app_setting_get --app=$app --key=admin)
password=$(ynh_app_setting_get --app=$app --key=password)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
port=$(ynh_app_setting_get --app=$app --key=port)
adguard_port=$(ynh_app_setting_get --app=$app --key=adguard_port)
dns_over_https=$(ynh_app_setting_get --app=$app --key=dns_over_https)
#=================================================
# CHECK VERSION
#=================================================
ynh_script_progression --message="Checking version..."
upgrade_type=$(ynh_check_app_version_changed)
#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================
ynh_script_progression --message="Backing up the app before upgrading (may take a while)..." --weight=1
# Backup the current version of the app
ynh_backup_before_upgrade
ynh_clean_setup () {
ynh_clean_check_starting
# Restore it if the upgrade fails
ynh_restore_upgradebackup
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors
#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Stopping a systemd service..." --weight=1
ynh_systemd_action --service_name=$app --action="stop"
# Disable the port 53 for upnp
ynh_exec_warn_less yunohost firewall allow --no-upnp TCP $adguard_port
ynh_exec_warn_less yunohost firewall allow --no-upnp UDP $adguard_port
#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
# Cleaning legacy permissions
if ynh_legacy_permissions_exists; then
ynh_legacy_permissions_delete_all
ynh_app_setting_delete --app=$app --key=is_public
fi
# The dns port should be 53
if [ "$adguard_port" -ne "53" ]; then
adguard_port=53
ynh_app_setting_set --app=$app --key=adguard_port --value=$adguard_port
fi
# Create a permission if needed
if ! ynh_permission_exists --permission="api"; then
ynh_permission_create --permission="api" --label="api" --url="re:$domain/dns-query" --allowed="visitors" --auth_header="false" --show_tile="false" --protected="true"
fi
if [ -n "$dns_over_https" ] && [ "$dns_over_https" == "1" ];
then
dns_over_https="true"
ynh_app_setting_set --app=$app --key=dns_over_https --value=$dns_over_https
# DNS over TLS
adguard_DoT_port=853
ynh_app_setting_set --app=$app --key=adguard_DoT_port --value=$adguard_DoT_port
ynh_exec_warn_less yunohost firewall allow --no-upnp UDP $adguard_DoT_port
ynh_exec_warn_less yunohost firewall allow --no-upnp TCP $adguard_DoT_port
# DNS over QUIC
adguard_DoQ_port=784
ynh_app_setting_set --app=$app --key=adguard_DoQ_port --value=$adguard_DoQ_port
ynh_exec_warn_less yunohost firewall allow --no-upnp UDP $adguard_DoQ_port
elif [ -z "$dns_over_https" ] || [ "$dns_over_https" == "0" ];
then
dns_over_https="false"
ynh_app_setting_set --app=$app --key=dns_over_https --value=$dns_over_https
fi
#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Making sure dedicated system user exists..." --weight=1
# Create a dedicated user (if not existing)
ynh_system_user_create --username=$app --home_dir="$final_path" --groups="ssl-cert"
#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
if [ "$upgrade_type" == "UPGRADE_APP" ]
then
ynh_script_progression --message="Upgrading source files..." --weight=1
# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source --dest_dir=$final_path --source_id="$YNH_ARCH"
fi
chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R $app:$app "$final_path"
setcap 'CAP_NET_BIND_SERVICE=+eip CAP_NET_RAW=+eip' $final_path/AdGuardHome
#=================================================
# UPGRADE DEPENDENCIES
#=================================================
ynh_script_progression --message="Upgrading dependencies..." --weight=1
ynh_install_app_dependencies $pkg_dependencies
#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=1
# Create a dedicated NGINX config
ynh_add_nginx_config
#=================================================
# SPECIFIC UPGRADE
#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a configuration file..." --weight=1
ipv4_interface=$(echo "$(ip -4 route get 1.2.3.4 2> /dev/null)" | head -n1 | grep -oP '(?<=dev )\w+' || true)
ipv6_interface=$(echo "$(ip -6 route get ::1.2.3.4 2> /dev/null)" | head -n1 | grep -oP '(?<=dev )\w+' || true)
if [ -z "$ipv4_interface" ] && [ -z "$ipv6_interface" ]; then
ynh_die --message="Impossible to find the main network interface, please report this issue."
elif [ "$ipv4_interface" != "$ipv6_interface" ]; then
if [ -z "$ipv4_interface" ]; then
echo -e "bind-interfaces\nexcept-interface=$ipv6_interface" > "/etc/dnsmasq.d/$app"
elif [ -z "$ipv6_interface" ]; then
echo -e "bind-interfaces\nexcept-interface=$ipv4_interface" > "/etc/dnsmasq.d/$app"
else
echo -e "bind-interfaces\nexcept-interface=$ipv4_interface, $ipv6_interface" > "/etc/dnsmasq.d/$app"
fi
else
echo -e "bind-interfaces\nexcept-interface=$ipv4_interface" > "/etc/dnsmasq.d/$app"
fi
systemctl restart dnsmasq
ynh_store_file_checksum --file="/etc/dnsmasq.d/$app"
ipv4_route_output=$(echo "$(ip -4 route get 1.2.3.4 2> /dev/null)" | head -n1)
ipv6_route_output=$(echo "$(ip -6 route get ::1.2.3.4 2> /dev/null)" | head -n1)
ipv4_addr=""
for i in $(seq "$(echo $ipv4_route_output | wc -w)" -1 1); do
ip=$(echo $ipv4_route_output | awk "{print \$$i}")
if ynh_validate_ip4 --ip_address=$ip; then
ipv4_addr="$ip"
break
fi
done
ipv6_addr=""
for i in $(seq "$(echo $ipv6_route_output | wc -w)" -1 1); do
ip=$(echo $ipv6_route_output | awk "{print \$$i}")
if ynh_validate_ip6 --ip_address=$ip; then
ipv6_addr="$ip"
break
fi
done
# Reset the bind_hosts if the current ip is 0.0.0.0
python3 -c "import yaml
with open(\"$final_path/AdGuardHome.yaml\", 'r') as file:
conf_file = yaml.safe_load(file)
need_file_update = False
if \"0.0.0.0\" in conf_file[\"dns\"][\"bind_hosts\"]:
conf_file[\"dns\"][\"bind_hosts\"] = []
if \"$ipv4_addr\":
conf_file[\"dns\"][\"bind_hosts\"].append(\"$ipv4_addr\")
if \"$ipv6_addr\":
conf_file[\"dns\"][\"bind_hosts\"].append(\"$ipv6_addr\")
need_file_update = True
if conf_file[\"dns\"][\"port\"] != $adguard_port:
conf_file[\"dns\"][\"port\"] = $adguard_port
need_file_update = True
if need_file_update:
with open(\"$final_path/AdGuardHome.yaml\", 'w') as file:
yaml.dump(conf_file, file)
"
chmod 600 "$final_path/AdGuardHome.yaml"
chown -R $app:$app "$final_path/AdGuardHome.yaml"
#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Upgrading systemd configuration..." --weight=1
# Create a dedicated systemd config
ynh_add_systemd_config
#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
yunohost service add $app --description="Ads & trackers blocking DNS server" --needs_exposed_ports $adguard_port
#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=1
ynh_systemd_action --service_name=$app --action="restart" --log_path="systemd"
#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --weight=1
ynh_systemd_action --service_name=nginx --action=reload
#=================================================
# END OF SCRIPT
#=================================================
ynh_script_progression --message="Upgrade of $app completed" --last