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my_webapp_ynh/scripts/upgrade
2019-02-17 20:55:53 +01:00

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#!/bin/bash
#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================
source /usr/share/yunohost/helpers
#=================================================
# LOAD SETTINGS
#=================================================
ynh_print_info "Loading installation settings..."
app=$YNH_APP_INSTANCE_NAME
domain=$(ynh_app_setting_get $app domain)
path_url=$(ynh_app_setting_get $app path)
is_public=$(ynh_app_setting_get $app is_public)
final_path=$(ynh_app_setting_get $app final_path)
db_name=$(ynh_app_setting_get $app db_name)
with_mysql=$(ynh_app_setting_get $app with_mysql)
password=$(ynh_app_setting_get $app password)
user=$(ynh_app_setting_get $app user)
#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_print_info "Ensuring downward compatibility..."
# Fix is_public as a boolean value
if [ "$is_public" = "Yes" ]; then
ynh_app_setting_set $app is_public 1
is_public=1
elif [ "$is_public" = "No" ]; then
ynh_app_setting_set $app is_public 0
is_public=0
fi
# If db_name doesn't exist, create it
if [ -z $db_name ]; then
db_name=$(ynh_sanitize_dbid $app)
ynh_app_setting_set $app db_name $db_name
fi
# If final_path doesn't exist, create it
if [ -z $final_path ]; then
final_path=/var/www/$app
ynh_app_setting_set $app final_path $final_path
fi
#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================
ynh_print_info "Backing up the app before upgrading (may take a while)..."
# Backup the current version of the app
ynh_backup_before_upgrade
ynh_clean_setup () {
# restore it if the upgrade fails
ynh_restore_upgradebackup
}
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors
#=================================================
# CHECK THE PATH
#=================================================
# Normalize the URL path syntax
path_url=$(ynh_normalize_url_path $path_url)
#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# NGINX CONFIGURATION
#=================================================
modified_config=$(ynh_backup_if_checksum_is_different "/etc/nginx/conf.d/$domain.d/$app.conf")
# Replace nginx config only if it wasn't modified.
if [ -z "$modified_config" ]
then
ynh_print_info "Upgrading nginx web server configuration..."
# Create a dedicated nginx config
ynh_add_nginx_config
fi
#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_print_info "Making sure dedicated system user exists..."
# Create a standard user (not a system user for sftp)
ynh_system_user_exists "$user" || \
useradd -d "$final_path" -M --user-group "$user"
# Add the password to this user
chpasswd <<< "${user}:${password}"
# Change the user group for previous my_webapp install script
groupadd -f "$user"
usermod -g "$user" "$user"
#=================================================
# PHP-FPM CONFIGURATION
#=================================================
modified_config=$(ynh_backup_if_checksum_is_different "/etc/php5/fpm/pool.d/$app.conf")
# Replace nginx config only if it wasn't modified.
if [ -z "$modified_config" ]
then
ynh_print_info "Upgrading php-fpm configuration..."
# Create a dedicated php-fpm config
ynh_replace_string "__USER__" "$user" "../conf/php-fpm.conf"
ynh_add_fpm_config
fi
#=================================================
# SPECIFIC UPGRADE
#=================================================
# CONFIGURE SSH
#=================================================
ynh_print_info "Configuring ssh..."
# Remove the previous config for upgrading it
sed -i "/##-> ${app}/,/##<- ${app}/d" /etc/ssh/sshd_config
# Harden SSH connection for the user
echo "##-> ${app}
# Hardening user connection
Match User ${user}
ChrootDirectory %h
ForceCommand internal-sftp
AllowTcpForwarding no
PermitTunnel no
X11Forwarding no
##<- ${app}" | tee -a /etc/ssh/sshd_config >/dev/null
systemctl reload ssh
#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================
# Home directory of the user needs to be owned by root to allow
# SFTP connections
chown root: "$final_path"
#=================================================
# SETUP SSOWAT
#=================================================
ynh_print_info "Upgrading SSOwat configuration..."
# Make app public if necessary
if [ $is_public -eq 1 ]
then
ynh_app_setting_set $app skipped_uris "/"
fi
#=================================================
# RELOAD NGINX
#=================================================
ynh_print_info "Reloading nginx web server..."
systemctl reload nginx
#=================================================
# END OF SCRIPT
#=================================================
ynh_print_info "Upgrade of $app completed"