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cac-proxy_ynh/scripts/upgrade
2023-03-01 17:34:54 +01:00

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9.8 KiB
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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..." --weight=1
app=$YNH_APP_INSTANCE_NAME
domain=$(ynh_app_setting_get --app=$app --key=domain)
path_url=$(ynh_app_setting_get --app=$app --key=path)
final_path=$(ynh_app_setting_get --app=$app --key=final_path)
port=$(ynh_app_setting_get --app=$app --key=port)
public_key=$(ynh_app_setting_get --app=$app --key=public_key)
install_chromium=$(ynh_app_setting_get --app=$app --key=install_chromium)
#=================================================
# 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)..." --weight=1
# 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..." --weight=1
ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"
#=================================================
# ENSURE DOWNWARD COMPATIBILITY
#=================================================
#=================================================
# INSTALL DEPENDENCIES
#=================================================
ynh_script_progression --message="Installing dependencies..." --weight=3
### `ynh_install_app_dependencies` allows you to add any "apt" dependencies to the package.
### Those deb packages will be installed as dependencies of this package.
### If you're not using this helper:
### - Remove the section "REMOVE DEPENDENCIES" in the remove script
### - Remove the variable "pkg_dependencies" in _common.sh
### - As well as the section "REINSTALL DEPENDENCIES" in the restore script
### - And the section "UPGRADE DEPENDENCIES" in the upgrade script
ynh_install_app_dependencies $pkg_dependencies
ynh_install_nodejs --nodejs_version=$nodejs_version
ynh_use_nodejs
#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Making sure dedicated system user exists..." --weight=1
#Recreate the user to enable shell if needed
user_shell=$(grep "^$app:" /etc/passwd | cut -d: -f7)
if [ "$user_shell" == "/usr/sbin/nologin" ]; then
chsh --shell /bin/sh $app
fi
# Ensure the use can connect through ssh
user_groups=$(groups "$app")
if [[ "$user_groups" != *"ssh.app"* ]]; then
ynh_system_user_create --username=$app --groups="ssh.app"
fi
#=================================================
# SPECIFIC UPGRADE
#=================================================
complete_install=false
# Check if we need to clean up old bad installs
if [ -f "$final_path/package.json" ]; then
complete_install=true
ynh_secure_remove --file="$final_path"
mkdir "$final_path"
chmod 750 "$final_path"
chmod -R o-rwx "$final_path"
chown -R $app:$app "$final_path"
fi
#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
if [ "$upgrade_type" == "UPGRADE_APP" ] || [ "$complete_install" == "true" ]
then
ynh_script_progression --message="Upgrading source files..." --weight=6
# Download, check integrity, uncompress and patch the source from amd64.src
mkdir --parents $final_path/package
ynh_setup_source --source_id=amd64 --dest_dir="$final_path/package"
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 $app:$app "$final_path"
if [ -n "$public_key" ] && [ "$complete_install" == "true" ]
then
ynh_script_progression --message="Enabling ssh access for dev..." --weight=1
#enable ssh access to the files for updates
#todo: Secure it more with https://github.com/YunoHost-Apps/ssh_chroot_dir_ynh
mkdir --parents $final_path/.ssh
ynh_add_config --template="authorized_keys" --destination="$final_path/.ssh/authorized_keys"
ynh_app_setting_set --app=$app --key=public_key --value=$public_key
chown -R $app:$app "$final_path/.ssh"
chmod 700 "$final_path/.ssh"
chmod 600 "$final_path/.ssh/authorized_keys"
#=================================================
# Create restart services file
#=================================================
# Enable restarting of services from ssh
ynh_add_config --template="restart-proxy.sh" --destination="$final_path/restart-proxy.sh"
# Enable root ownership to be able to call systemctl
chown $app:$app "$final_path/restart-proxy.sh"
chmod o-rwx,gu=rwx "$final_path/restart-proxy.sh"
ynh_add_config --template="cac-proxy-sudoers" --destination="/etc/sudoers.d/$app-sudoers"
chown root:root "/etc/sudoers.d/$app-sudoers"
chmod o-rwx,gu=r "/etc/sudoers.d/$app-sudoers"
fi
#=================================================
# Install chromium
#=================================================
if [ $install_chromium -eq 1 ]
then
ynh_script_progression --message="Upgrading Chromium..." --weight=8
# Remove old versions of chrome
ynh_secure_remove --file="$final_path/.cache/puppeteer/chrome"
# And install the latest one
cd "$final_path/package"
ynh_exec_as $app $ynh_node_load_PATH $ynh_node "./node_modules/puppeteer/install.js"
fi
#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Upgrading NGINX web server configuration..." --weight=1
# Create a dedicated NGINX config
ynh_add_nginx_config
#=================================================
#=================================================
# UPDATE A CONFIG FILE
#=================================================
ynh_script_progression --message="Updating a configuration file..." --weight=1
### Same as during install
###
### The file will automatically be backed-up if it's found to be manually modified (because
### ynh_add_config keeps track of the file's checksum)
ynh_add_config --template=".env" --destination="$final_path/.env"
# 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/.env"
chown $app:$app "$final_path/.env"
### For more complex cases where you want to replace stuff using regexes,
### you shoud rely on ynh_replace_string (which is basically a wrapper for sed)
### When doing so, you also need to manually call ynh_store_file_checksum
###
### ynh_replace_string --match_string="match_string" --replace_string="replace_string" --target_file="$final_path/some_config_file"
### ynh_store_file_checksum --file="$final_path/some_config_file"
#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Upgrading systemd configuration..." --weight=1
# Create a dedicated systemd config
ynh_add_systemd_config
#=================================================
# GENERIC FINALIZATION
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Upgrading logrotate configuration..." --weight=1
# 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..." --weight=1
yunohost service add $app --description="A Cors proxy letting the browser manages cookies and redirects." --log="/var/log/$app/$app.log"
#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=1
ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
#=================================================
# RELOAD NGINX
#=================================================
ynh_script_progression --message="Reloading NGINX web server..." --weight=1
ynh_systemd_action --service_name=nginx --action=reload
#=================================================
# END OF SCRIPT
#=================================================
ynh_script_progression --message="Upgrade of $app completed" --last