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restic_ynh/scripts/install
2020-03-02 22:11:41 +01:00

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#!/bin/bash
#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================
source _common.sh
source /usr/share/yunohost/helpers
#=================================================
# MANAGE SCRIPT FAILURE
#=================================================
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors
#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================
export app=$YNH_APP_INSTANCE_NAME
export final_path="/opt/yunohost/${app}"
# Retrieve arguments
ynh_export server port ssh_user backup_path passphrase on_calendar check_on_calendar check_read_data_on_calendar conf data apps allow_extra_space_use
#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_save_args server port ssh_user backup_path passphrase on_calendar check_on_calendar check_read_data_on_calendar conf data apps allow_extra_space_use
#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_print_info --message="Installing dependencies"
ynh_install_app_dependencies $pkg_dependencies
ynh_print_info --message="Installing restic binary"
install_restic
#=================================================
# ACTIVATE BACKUP METHODS
#=================================================
ynh_print_info --message="Activating backup methods"
mkdir -p /etc/yunohost/hooks.d/backup_method
mkdir -p /usr/share/yunohost/backup_method
#=================================================
# SETUP THE BACKUP METHOD
#=================================================
ynh_print_info --message="Setting up backup methods"
ynh_configure backup_method "/etc/yunohost/hooks.d/backup_method/05-${app}_app"
ynh_configure check_method "${final_path}/check_method"
#=================================================
# CONFIGURE CRON
#=================================================
ynh_print_info --message="Configuring cron"
ynh_configure backup-with-restic "/usr/local/bin/backup-with-${app}"
ynh_configure backup-with-restic-answerbot "/usr/local/bin/backup-with-${app}-answerbot"
ynh_configure check-restic "${final_path}/check-${app}"
chmod u+x "/usr/local/bin/backup-with-${app}"
chmod u+x "/usr/local/bin/backup-with-${app}-answerbot"
chmod u+x "${final_path}/check-${app}"
chmod u+x "${final_path}/check_method"
ynh_add_systemd_config --service=${app} --template=systemd.service
ynh_add_systemd_config --service=${app}_check --template=systemd_check.service
ynh_add_systemd_config --service=${app}_check_read_data --template=systemd_check_read_data.service
ynh_configure systemd.timer "/etc/systemd/system/${app}.timer"
ynh_configure systemd_check.timer "/etc/systemd/system/${app}_check.timer"
ynh_configure systemd_check_read_data.timer "/etc/systemd/system/${app}_check_read_data.timer"
systemctl enable ${app}.timer
systemctl enable ${app}_check.timer
systemctl enable ${app}_check_read_data.timer
systemctl start ${app}.timer
systemctl start ${app}_check.timer
systemctl start ${app}_check_read_data.timer
#=================================================
# GENERATE SSH KEY
#=================================================
ynh_print_info --message="Generating private key"
private_key="/root/.ssh/id_${app}_ed25519"
test -f $private_key || ssh-keygen -q -t ed25519 -N "" -f $private_key
#=================================================
# GENERATE SSH CONFIG
#=================================================
ynh_print_info --message="Generating ssh config for ${server}"
grep -q "${server}" /root/.ssh/config 2>/dev/null || cat << EOCONF >> ~/.ssh/config
Host ${server}
Hostname ${server}
Port ${port}
User ${ssh_user}
IdentityFile ${private_key}
StrictHostKeyChecking no
UserKnownHostsFile /dev/null
EOCONF
#=================================================
# Display key
#=================================================
ynh_print_info --message="You should now allow the following public key for user ${ssh_user} on server ${server}:
$(cat ${private_key}.pub)"
#=================================================
# SEND A README FOR THE ADMIN
#=================================================
ynh_print_info --message="Sending post-installation instructions to admin"
ynh_print_OFF
message="You should now allow the following public key for user ${ssh_user} on server ${server}:
$(cat ${private_key}.pub)
Do so by running this command on ${server} with user ${ssh_user}:
mkdir ~/.ssh 2>/dev/null
touch ~/.ssh/authorized_keys
chmod u=rw,go= ~/.ssh/authorized_keys
cat << EOPKEY >> ~/.ssh/authorized_keys
$(cat ${private_key}.pub)
EOPKEY
$(if [ "$backup_path" != "./" ];then echo "Also make sure ${backup_path} exists and is writable by ${ssh_user}";fi)
If you facing an issue or want to improve this app, please open a new issue in this project: https://github.com/YunoHost-Apps/restic_ynh"
ynh_send_readme_to_admin "$message" "root"
ynh_print_ON