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mirror of https://github.com/YunoHost-Apps/borgserver_ynh.git synced 2024-09-03 20:36:20 +02:00
borgserver_ynh/scripts/upgrade

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#!/bin/bash
#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================
source _common.sh
source /usr/share/yunohost/helpers
#=================================================
# LOAD SETTINGS
#=================================================
app=$YNH_APP_INSTANCE_NAME
ssh_user=$(ynh_app_setting_get --app=$app --key=ssh_user)
public_key=$(ynh_app_setting_get --app=$app --key=public_key)
datadir=$(ynh_app_setting_get --app=$app --key=datadir)
alert_delay=$(ynh_app_setting_get --app=$app --key=alert_delay)
alert_mails=$(ynh_app_setting_get --app=$app --key=alert_mails)
#=================================================
# CHECK IF AN UPGRADE IS NEEDED
#=================================================
ynh_check_app_version_changed
#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================
# We don't backup before upgrade cause we don't want accidental
# remove of repo if upgrade failed
#ynh_backup_before_upgrade
#ynh_clean_setup () {
# # restore it if the upgrade fails
# ynh_restore_upgradebackup
#}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors
#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..."
if [ -f "/etc/apt/sources.list.d/$app-stretch-backports.list" ]; then
rm -f /etc/apt/sources.list.d/$app-stretch-backports.list
install_borg_with_pip
fi
if [ -f "/etc/yunohost/hooks.d/backup/17-data_home" ]; then
ynh_secure_remove /etc/yunohost/hooks.d/backup/17-data_home
fi
# Fix broken value ssh_user that mistakenly got replaced by the public key in previous versions...
[ -n "$ssh_user" ] || ynh_die "Unable to retrieve ssh_user please fix /etc/yunohost/apps/$app/settings.yml manually :( !"
if echo "$ssh_user" | grep -q ' '; then
ssh_user=$(grep "$ssh_user" /home/*/.ssh/authorized_keys | grep borg | cut -d/ -f3)
[ -n "$ssh_user" ] || ynh_die "Unable to retrieve ssh_user please fix /etc/yunohost/apps/$app/settings.yml manually :( !"
ynh_app_setting_set --app=$app --key=ssh_user --value="$ssh_user"
fi
if echo "$public_key" | grep -q -v ' '; then
ynh_app_setting_set --app=$app --key=public_key --value="$(grep -Po 'no-user-rc \K.*$' /home/$ssh_user/.ssh/authorized_keys)"
fi
# Alert delay and alert mail missing
if [ -z "$alert_delay" ]; then
ynh_app_setting_set --app=$app --key=alert_delay --value=1
ynh_app_setting_set --app=$app --key=alert_mails --value="root"
fi
# Reinstall borg if debian change of major version
if [ ! -f "/opt/borg-env/$(ynh_get_debian_release)" ] ; then
ynh_secure_remove /opt/borg-env
fi
if [ -z "$datadir" ];
then
datadir="/home/${ssh_user}"
ynh_app_setting_set --app=$app --key=datadir --value=$datadir
fi
#=================================================
# CREATE SSH USER USED BY BORG
#=================================================
ynh_script_progression --message="Creating SSH user used by Borg..."
ynh_system_user_create --username=$ssh_user --home_dir=$datadir --use_shell --groups ssh.app
#=================================================
# UPGRADE DEPENDENCIES
#=================================================
ynh_script_progression --message="Upgrading dependencies..."
ynh_install_app_dependencies $pkg_dependencies
#=================================================
# SPECIFIC UPGRADE
#=================================================
# Upgrade borgbackup
#=================================================
ynh_script_progression --message="Upgrading borgbackup..." --weight=1
install_borg_with_pip
#=================================================
# AUTORIZE SSH FOR THIS USER
#=================================================
ynh_script_progression --message="Seting good permissions..."
mkdir -p $datadir/.ssh
chmod o=--- $datadir
chown -R $ssh_user:$ssh_user $datadir
#=================================================
# AVOID BACKUP OF BACKUP
#=================================================
ynh_script_progression --message="Avoiding to backup the backup itself..."
touch $datadir/.nobackup
#=================================================
# SETUP CRON
#=================================================
ynh_script_progression --message="Configuring cron to monitor backup..."
ynh_add_config --template="monitor-backup" --destination="/etc/cron.d/$app"
#=================================================
# END OF SCRIPT
#=================================================
ynh_script_progression --message="Upgrade of $app completed" --last