yunorunner_ynh/scripts/upgrade

#!/bin/bash

#=================================================
# IMPORT GENERIC HELPERS
#=================================================

source _common.sh
source /usr/share/yunohost/helpers

#=================================================
# ACTIVATE MAINTENANCE MODE
#=================================================

ynh_maintenance_mode_ON

#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Stopping $app's systemd service..."

ynh_systemd_action --service_name="$app" --action="stop" --log_path="systemd" --line_match="Stopped YunoRunner CI"

#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..."

if [ ! -d "$install_dir/.git/" ]; then
    ynh_exec_as "$app" git -C "$install_dir" init
    git -C "$install_dir" remote add origin "$yunorunner_repository"
fi

# Close a legacy port
if yunohost firewall list | grep -q "\- $port$"; then
    ynh_exec_warn_less yunohost firewall disallow TCP "$port"
fi

# Remove Pythonz
ynh_secure_remove --file="$install_dir/.pythonz"

#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Upgrading source files..."

# Download, check integrity, uncompress and patch the source from app.src
pushd "$install_dir"
    ynh_exec_as "$app" git fetch --quiet --depth=1 origin "$yunorunner_release"
    ynh_exec_as "$app" git reset --quiet --hard FETCH_HEAD
popd

chmod -R o-rwx "$install_dir"
chown -R "$app:$app" "$install_dir"

#=================================================
# INSTALL PYTHON DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing Python dependencies..."

pushd "$install_dir"
    python3 -m venv venv
    venv/bin/pip install --upgrade pip
    venv/bin/pip install -r requirements-frozen.txt
popd

#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a config file..."

ynh_backup_if_checksum_is_different --file="$install_dir/config.py"

chmod 400 "$install_dir/config.py"
chown "$app:$app" "$install_dir/config.py"

#=================================================
# REAPPLY SYSTEM CONFIGURATIONS
#=================================================
ynh_script_progression --message="Upgrading system configurations related to $app..." --weight=1

# Create a dedicated NGINX config
ynh_add_nginx_config

# Create a dedicated systemd config
ynh_add_systemd_config
yunohost service add "$app" --description="$app daemon for YunoRunner"

ynh_add_config --template="cron" --destination="/etc/cron.d/$app"

#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting $app's systemd service..."

ynh_systemd_action --service_name="$app" --action="start" --log_path="systemd" --line_match="Started YunoRunner CI" --timeout=30

#=================================================
# DEACTIVE MAINTENANCE MODE
#=================================================

ynh_maintenance_mode_OFF

#=================================================
# END OF SCRIPT
#=================================================

ynh_script_progression --message="Upgrade of $app completed"