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gotosocial_ynh/scripts/upgrade

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#!/bin/bash
#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================
source _common.sh
source /usr/share/yunohost/helpers
#=================================================
# LOAD SETTINGS
#=================================================
ynh_script_progression --message="Loading installation settings..."
app=$YNH_APP_INSTANCE_NAME
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
domain=$(ynh_app_setting_get --app=$app --key=domain)
port=$(ynh_app_setting_get --app=$app --key=port)
path_url=$(ynh_app_setting_get --app=$app --key=path_url)
client_max_body_size=$(ynh_app_setting_get --app=$app --key=client_max_body_size)
db_name=$(ynh_app_setting_get --app=$app --key=db_name)
db_user=$(ynh_app_setting_get --app=$app --key=db_user)
db_pwd=$(ynh_app_setting_get --app=$app --key=db_pwd)
datadir=$(ynh_app_setting_get --app=$app --key=datadir)
registration_open=$(ynh_app_setting_get --app=$app --key=registration_open)
registration_approval=$(ynh_app_setting_get --app=$app --key=registration_approval)
registration_reason=$(ynh_app_setting_get --app=$app --key=registration_reason)
media_image_max_size=$(ynh_app_setting_get --app=$app --key=media_image_max_size)
media_video_max_size=$(ynh_app_setting_get --app=$app --key=media_video_max_size)
media_description_min_chars=$(ynh_app_setting_get --app=$app --key=media_description_min_chars)
media_description_max_chars=$(ynh_app_setting_get --app=$app --key=media_description_max_chars)
media_remote_cache_days=$(ynh_app_setting_get --app=$app --key=media_remote_cache_days)
statuses_max_chars=$(ynh_app_setting_get --app=$app --key=statuses_max_chars)
statuses_cw_max_chars=$(ynh_app_setting_get --app=$app --key=statuses_cw_max_chars)
statuses_poll_max_options=$(ynh_app_setting_get --app=$app --key=statuses_poll_max_options)
statuses_poll_option_max_chars=$(ynh_app_setting_get --app=$app --key=statuses_poll_option_max_chars)
statuses_media_max_files=$(ynh_app_setting_get --app=$app --key=statuses_media_max_files)
#=================================================
# CHECK VERSION
#=================================================
### This helper will compare the version of the currently installed app and the version of the upstream package.
### $upgrade_type can have 2 different values
### - UPGRADE_APP if the upstream app version has changed
### - UPGRADE_PACKAGE if only the YunoHost package has changed
### ynh_check_app_version_changed will stop the upgrade if the app is up to date.
### UPGRADE_APP should be used to upgrade the core app only if there's an upgrade to do.
upgrade_type=$(ynh_check_app_version_changed)
#=================================================
# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
#=================================================
ynh_script_progression --message="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
#=================================================
# STANDARD UPGRADE STEPS
#=================================================
# STOP SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Stopping a systemd service..."
ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"
#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
ynh_script_progression --message="Ensuring downward compatibility..."
# Upgrade from <0.2.1~ynh4:
if ynh_compare_current_package_version --comparison lt --version 0.2.1~ynh4
then
# declaration of new parameters
client_max_body_size="50M"
media_image_max_size="2097152"
media_video_max_size="10485760"
media_description_min_chars="0"
media_description_max_chars="500"
media_remote_cache_days="30"
statuses_max_chars="5000"
statuses_cw_max_chars="100"
statuses_poll_max_options="6"
statuses_poll_option_max_chars="50"
statuses_media_max_files="6"
# conversionof old parameters
registration_open=$(convert_bool "$registration_open")
registration_approval=$(convert_bool "$registration_approval")
registration_reason=$(convert_bool "$registration_reason")
# registration of new parameters
ynh_app_setting_set --app=$app --key=client_max_body_size --value=$client_max_body_size
ynh_app_setting_set --app=$app --key=media_image_max_size --value=$media_image_max_size
ynh_app_setting_set --app=$app --key=media_video_max_size --value=$media_video_max_size
ynh_app_setting_set --app=$app --key=media_description_min_chars --value=$media_description_min_chars
ynh_app_setting_set --app=$app --key=media_description_max_chars --value=$media_description_max_chars
ynh_app_setting_set --app=$app --key=media_remote_cache_days --value=$media_remote_cache_days
ynh_app_setting_set --app=$app --key=statuses_max_chars --value=$statuses_max_chars
ynh_app_setting_set --app=$app --key=statuses_cw_max_chars --value=$statuses_cw_max_chars
ynh_app_setting_set --app=$app --key=statuses_poll_max_options --value=$statuses_poll_max_options
ynh_app_setting_set --app=$app --key=statuses_poll_option_max_chars --value=$statuses_poll_option_max_chars
ynh_app_setting_set --app=$app --key=statuses_media_max_files --value=$statuses_media_max_files
# registration of converted parameters
ynh_app_setting_set --app=$app --key=statuses_media_max_files --value=$registration_open
ynh_app_setting_set --app=$app --key=statuses_media_max_files --value=$registration_approval
ynh_app_setting_set --app=$app --key=statuses_media_max_files --value=$registration_reason
fi
#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Making sure dedicated system user exists..."
# Create a dedicated user (if not existing)
ynh_system_user_create --username=$app --home_dir="$final_path"
#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
if [ "$upgrade_type" == "UPGRADE_APP" ]
then
ynh_script_progression --message="Upgrading source files..."
# detect_arch comes from _common.sh / personnal helpers
architecture=$(detect_arch)
# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source --dest_dir="$final_path" --source_id=$architecture --keep="config.yaml"
fi
# FIXME: this should be managed by the core in the future
# Here, as a packager, you may have to tweak the ownerhsip/permissions
# such that the appropriate users (e.g. maybe www-data) can access
# files in some cases.
# But FOR THE LOVE OF GOD, do not allow r/x for "others" on the entire folder -
# this will be treated as a security issue.
chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R $app:www-data "$final_path"
#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading NGINX web server configuration..."
# Create a dedicated NGINX config
ynh_add_nginx_config
#=================================================
# UPGRADE DEPENDENCIES
#=================================================
ynh_script_progression --message="Upgrading dependencies..."
ynh_install_app_dependencies $pkg_dependencies
#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a configuration file..."
### Same as during install
###
### The file will automatically be backed-up if it's found to be manually modified (because
### ynh_add_config keeps track of the file's checksum)
ynh_add_config --template="config.yaml" --destination="$final_path/config.yaml"
# FIXME: this should be handled by the core in the future
# You may need to use chmod 600 instead of 400,
# for example if the app is expected to be able to modify its own config
chmod 400 "$final_path/config.yaml"
chown $app:$app "$final_path/config.yaml"
#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Upgrading systemd configuration..."
# Create a dedicated systemd config
ynh_add_systemd_config
#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Upgrading logrotate configuration..."
# Use logrotate to manage app-specific logfile(s)
ynh_use_logrotate --non-append
#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..."
yunohost service add $app --description="Gotosocial server" --log="/var/log/$app/$app.log"
#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..."
ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..."
ynh_systemd_action --service_name=nginx --action=reload
#=================================================
# END OF SCRIPT
#=================================================
ynh_script_progression --message="Upgrade of $app completed"