142 lines
5.4 KiB
Text
142 lines
5.4 KiB
Text
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#!/bin/bash
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#=================================================
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# GENERIC START
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#=================================================
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# IMPORT GENERIC HELPERS
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#=================================================
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source _common.sh
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source /usr/share/yunohost/helpers
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# Settings are automatically loaded as bash variables
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# in every app script context, therefore typically these will exist:
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# - $domain
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# - $path
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# - $language
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# - $install_dir
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# - $port
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# ...
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# In the context of upgrade,
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# - resources are automatically provisioned / updated / deleted (depending on existing resources)
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# - a safety backup is automatically created by the core and will be restored if the upgrade fails
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### This helper will compare the version of the currently installed app and the version of the upstream package.
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### $upgrade_type can have 2 different values
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### - UPGRADE_APP if the upstream app version has changed
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### - UPGRADE_PACKAGE if only the YunoHost package has changed
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### ynh_check_app_version_changed will stop the upgrade if the app is up to date.
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### UPGRADE_APP should be used to upgrade the core app only if there's an upgrade to do.
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upgrade_type=$(ynh_check_app_version_changed)
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#=================================================
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# STANDARD UPGRADE STEPS
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#=================================================
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# ENSURE DOWNWARD COMPATIBILITY
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#=================================================
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#ynh_script_progression --message="Ensuring downward compatibility..." --weight=1
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#
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# N.B. : the following setting migration snippets are provided as *EXAMPLES*
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# of what you may want to do in some cases (e.g. a setting was not defined on
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# some legacy installs and you therefore want to initiaze stuff during upgrade)
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#
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# If db_name doesn't exist, create it
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#if [ -z "$db_name" ]; then
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# db_name=$(ynh_sanitize_dbid --db_name=$app)
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# ynh_app_setting_set --app=$app --key=db_name --value=$db_name
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#fi
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# If install_dir doesn't exist, create it
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#if [ -z "$install_dir" ]; then
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# install_dir=/var/www/$app
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# ynh_app_setting_set --app=$app --key=install_dir --value=$install_dir
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#fi
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#=================================================
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# STOP SYSTEMD SERVICE
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#=================================================
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ynh_script_progression --message="Stopping a systemd service..." --weight=1
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ynh_systemd_action --service_name=$app --action="stop" --log_path="/var/log/$app/$app.log"
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#=================================================
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# "REBUILD" THE APP (DEPLOY NEW SOURCES, RERUN NPM BUILD...)
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#=================================================
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# DOWNLOAD, CHECK AND UNPACK SOURCE
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#=================================================
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if [ "$upgrade_type" == "UPGRADE_APP" ]
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then
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ynh_script_progression --message="Upgrading source files..." --weight=1
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# Download, check integrity, uncompress and patch the source from manifest.toml
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ynh_setup_source --dest_dir="$install_dir"
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fi
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# $install_dir will automatically be initialized with some decent
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# permissions by default ... however, you may need to recursively reapply
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# ownership to all files such as after the ynh_setup_source step
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chown -R $app:www-data "$install_dir"
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#=================================================
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# REAPPLY SYSTEM CONFIGURATIONS
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#=================================================
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ynh_script_progression --message="Upgrading system configurations related to $app..." --weight=1
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# This should be a literal copypaste of what happened in the install's "System configuration" section
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ynh_add_fpm_config
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ynh_add_nginx_config
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ynh_add_systemd_config
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yunohost service add $app --description="A short description of the app" --log="/var/log/$app/$app.log"
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ynh_use_logrotate --non-append
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ynh_add_fail2ban_config --logpath="/var/log/nginx/${domain}-error.log" --failregex="Regex to match into the log for a failed login"
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#=================================================
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# RECONFIGURE THE APP (UPDATE CONF, APPLY MIGRATIONS...)
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#=================================================
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# UPDATE A CONFIG FILE
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#=================================================
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ynh_script_progression --message="Updating a configuration file..." --weight=1
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### Same as during install
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###
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### The file will automatically be backed-up if it's found to be manually modified (because
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### ynh_add_config keeps track of the file's checksum)
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ynh_add_config --template="some_config_file" --destination="$install_dir/some_config_file"
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# FIXME: this should be handled by the core in the future
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# You may need to use chmod 600 instead of 400,
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# for example if the app is expected to be able to modify its own config
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chmod 400 "$install_dir/some_config_file"
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chown $app:$app "$install_dir/some_config_file"
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### For more complex cases where you want to replace stuff using regexes,
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### you shoud rely on ynh_replace_string (which is basically a wrapper for sed)
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### When doing so, you also need to manually call ynh_store_file_checksum
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###
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### ynh_replace_string --match_string="match_string" --replace_string="replace_string" --target_file="$install_dir/some_config_file"
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### ynh_store_file_checksum --file="$install_dir/some_config_file"
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#=================================================
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# START SYSTEMD SERVICE
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#=================================================
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ynh_script_progression --message="Starting a systemd service..." --weight=1
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ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
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#=================================================
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# END OF SCRIPT
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#=================================================
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ynh_script_progression --message="Upgrade of $app completed" --last
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