mirror of
https://github.com/YunoHost-Apps/restic_ynh.git
synced 2024-09-03 20:16:22 +02:00
188 lines
7 KiB
Bash
Executable file
188 lines
7 KiB
Bash
Executable file
#!/bin/bash
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#=================================================
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# GENERIC START
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#=================================================
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# IMPORT GENERIC HELPERS
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#=================================================
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source _common.sh
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source /usr/share/yunohost/helpers
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#=================================================
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# LOAD SETTINGS
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#=================================================
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export app=$YNH_APP_INSTANCE_NAME
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export final_path="/opt/yunohost/${app}"
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export server=$(ynh_app_setting_get $app server)
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export port=$(ynh_app_setting_get $app port)
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export ssh_user=$(ynh_app_setting_get $app ssh_user)
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export backup_path=$(ynh_app_setting_get $app backup_path)
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export passphrase=$(ynh_app_setting_get $app passphrase)
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export on_calendar=$(ynh_app_setting_get $app on_calendar)
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export check_on_calendar=$(ynh_app_setting_get $app check_on_calendar)
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export check_read_data_on_calendar=$(ynh_app_setting_get $app check_read_data_on_calendar)
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export conf=$(ynh_app_setting_get $app conf)
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export data=$(ynh_app_setting_get $app data)
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export apps=$(ynh_app_setting_get $app apps)
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export allow_extra_space_use=$(ynh_app_setting_get $app allow_extra_space_use)
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#=================================================
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# CHECK IF AN UPGRADE IS NEEDED
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#=================================================
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ynh_check_app_version_changed
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#=================================================
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# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
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#=================================================
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# Backup the current version of the app
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ynh_backup_before_upgrade
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ynh_clean_setup () {
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# restore it if the upgrade fails
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ynh_restore_upgradebackup
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}
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# Exit if an error occurs during the execution of the script
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ynh_abort_if_errors
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if grep "${app}.timer" /etc/yunohost/services.yml > /dev/null ; then
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yunohost service remove $app.timer
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systemctl --quiet enable $app.timer
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systemctl start $app.timer
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fi
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#=================================================
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# INSTALL RESTIC
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#=================================================
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ynh_script_progression --message="Installing restic binary" --weight=7
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install_restic
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#=================================================
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# CREATE APP USER
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#=================================================
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ynh_script_progression --message="Creating user ${app}"
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id ${app} 2>/dev/null || useradd -m ${app}
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ynh_script_progression --message="Configure ${app} user sudoer rights"
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cat > /tmp/${app}_sudoer << EOSUDOER
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${app} ALL = (root) NOPASSWD: /usr/bin/yunohost*, /bin/journalctl*, /usr/bin/find /etc/yunohost/apps -name backup, ${final_path}/check_method_${app}
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EOSUDOER
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visudo -cf /tmp/${app}_sudoer && mv /tmp/${app}_sudoer /etc/sudoers.d/${app}
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ynh_script_progression --message="Move ssh keys from root to ${app} user's home"
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ynh_script_progression --message="Generate ssh config"
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set +o errexit
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set +o nounset
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export ssh_dir="/root/.ssh"
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export private_key="${ssh_dir}/id_${app}_ed25519"
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mkdir ${ssh_dir} 2>/dev/null || true
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touch ${ssh_dir}/config
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grep -q "begin ${app}" ${ssh_dir}/config
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missing_conf="$?"
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if [ "$missing_conf" -eq "1" ];then
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cat << EOCONF >> ${ssh_dir}/config
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# begin $app ssh config
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Host ${server}
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Hostname ${server}
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Port ${port}
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User ${ssh_user}
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IdentityFile ${private_key}
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StrictHostKeyChecking no
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UserKnownHostsFile /dev/null
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# end $app ssh config
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EOCONF
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fi
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chown -R ${app}: /home/${app}
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#=================================================
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# ACTIVATE BACKUP METHODS
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#=================================================
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ynh_script_progression --message="Activating backup methods"
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mkdir -p /etc/yunohost/hooks.d/backup_method
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mkdir -p /usr/share/yunohost/backup_method
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#=================================================
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# SETUP THE BACKUP METHOD
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#=================================================
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ynh_script_progression --message="Setting up backup methods"
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ynh_configure backup_method "/etc/yunohost/hooks.d/backup_method/05-${app}_app"
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ynh_configure check_method "${final_path}/check_method_${app}"
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#=================================================
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# SETUP LOG SCRIPTS
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#=================================================
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ynh_script_progression --message="Setting up backup log script"
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ynh_configure restic_log "${final_path}/restic_log_${app}"
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chmod +x "${final_path}/restic_log_${app}"
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chown ${app}: "${final_path}/restic_log_${app}"
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ynh_script_progression --message="Setting up check log script"
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ynh_configure restic_check_log "${final_path}/restic_check_log_${app}"
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chmod +x "${final_path}/restic_check_log_${app}"
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chown ${app}: "${final_path}/restic_check_log_${app}"
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#=================================================
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# CONFIGURE CRON
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#=================================================
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ynh_script_progression --message="Configuring cron" --weight=5
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ynh_configure backup-with-restic "/usr/local/bin/backup-with-${app}"
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ynh_configure check-restic "${final_path}/check-${app}"
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chmod +x "/usr/local/bin/backup-with-${app}"
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chown ${app}: "/usr/local/bin/backup-with-${app}"
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chmod +x "${final_path}/check-${app}"
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chmod +x "${final_path}/check_method_${app}"
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ynh_add_systemd_config --service=${app} --template=systemd.service
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ynh_add_systemd_config --service=${app}_check --template=systemd_check.service
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ynh_add_systemd_config --service=${app}_check_read_data --template=systemd_check_read_data.service
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ynh_configure systemd.timer "/etc/systemd/system/${app}.timer"
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ynh_configure systemd_check.timer "/etc/systemd/system/${app}_check.timer"
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ynh_configure systemd_check_read_data.timer "/etc/systemd/system/${app}_check_read_data.timer"
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systemctl --quiet disable ${app}.service
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systemctl --quiet disable ${app}_check.service
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systemctl --quiet disable ${app}_check_read_data.service
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systemctl --quiet enable ${app}.timer
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systemctl --quiet enable ${app}_check.timer
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systemctl --quiet enable ${app}_check_read_data.timer
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systemctl start ${app}.timer
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systemctl start ${app}_check.timer
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systemctl start ${app}_check_read_data.timer
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#=================================================
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# SETUP LOGROTATE
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#=================================================
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ynh_script_progression --message="Configuring logrotate"
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ynh_use_logrotate --logfile=/var/log/restic_backup_${app}.log
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ynh_use_logrotate --logfile=/var/log/restic_backup_${app}.err
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ynh_use_logrotate --logfile=/var/log/restic_check_${app}.log
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ynh_use_logrotate --logfile=/var/log/restic_check_${app}.err
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#=================================================
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# UPGRADE SSH CONFIG
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#=================================================
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# old versions did not have delimiters in ~/.ssh/config
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# making removal in multi-instance cases break the remaining
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# instances.
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# So we need to add the delimiters if they are missing
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set +o errexit
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set +o nounset
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grep -q "begin ${app}" ${ssh_dir}/config
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missing_delimiters="$?"
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if [ "$missing_delimiters" -eq 1 ];then
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# did not find delimiters so removing old configuration
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sed -e "/Host ${server}/,+6d" ${ssh_dir}/config -i || true
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cat << EOCONF >> ${ssh_dir}/config
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# begin $app ssh config
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Host ${server}
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Hostname ${server}
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Port ${port}
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User ${ssh_user}
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IdentityFile ${private_key}
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StrictHostKeyChecking no
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UserKnownHostsFile /dev/null
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# end $app ssh config
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EOCONF
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fi
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ynh_script_progression --message="End of upgrade process" --last
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