111 lines
4.1 KiB
Text
111 lines
4.1 KiB
Text
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#!/bin/bash
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### App file generated with YoloGen, the YunoHost app generator, version .
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# This is the tutorial version of the app.
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# It contains extra commands to explain what should be done in case you want to adjust some part of the script.
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# Once you are done, you may remove them.
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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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### - $port
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### ...
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### In the context of upgrade,
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### - resources are automatically provisioned / updated / deleted (depending on existing resources)
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### - a safety backup is automatically created by the core and will be restored if the upgrade fails
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#=================================================
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# ENSURE DOWNWARD COMPATIBILITY
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#=================================================
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#ynh_script_progression "Ensuring downward compatibility..."
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### N.B. : the following setting migration snippets are provided as *EXAMPLES*
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### of what you may want to do in some cases (e.g. a setting was not defined on
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### some legacy installs and you therefore want to initiaze stuff during upgrade)
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# If db_name doesn't exist, create it
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# ynh_app_setting_set_default --key=db_name --value="$(ynh_sanitize_dbid --db_name=$app)"
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# If install_dir doesn't exist, create it
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# ynh_app_setting_set_default --key=install_dir --value="/var/www/$app"
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#=================================================
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# STOP SYSTEMD SERVICE
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#=================================================
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ynh_script_progression "Stopping a systemd service..."
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ynh_systemctl --service="$app" --action="stop"
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#=================================================
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# DOWNLOAD, CHECK AND UNPACK SOURCE
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#=================================================
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ynh_script_progression --message="Upgrading source files..."
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ynh_setup_source --dest_dir="$install_dir" --full_replace --keep=""
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# $install_dir will automatically be initialized with some decent
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# permission 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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# UPDATE A CONFIG FILE
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#=================================================
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ynh_script_progression "Updating a configuration file..."
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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_config_add --template="" --destination="$install_dir/"
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# FIXME: this should be handled by the core in the future
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# You may need to use chmod 600 instead of 400,
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# for example if the app is expected to be able to modify its own config
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chmod 400 "$install_dir/"
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chown $app:$app "$install_dir/"
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### For more complex cases where you want to replace stuff using regexes,
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### you shoud rely on ynh_replace_string (which is basically a wrapper for sed)
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### When doing so, you also need to manually call ynh_store_file_checksum
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###
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### ynh_replace_string --match_string="match_string" --replace_string="replace_string" --target_file="$install_dir/"
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### ynh_store_file_checksum --file="$install_dir/"
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#=================================================
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# REAPPLY SYSTEM CONFIGURATIONS
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#=================================================
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ynh_script_progression "Upgrading system configurations related to $app..."
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# This should be a literal copypasta of what happened in the install's "System configuration" section
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ynh_config_add_nginx
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ynh_config_add_systemd
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yunohost service add "$app" --description="A short description of the app" --log="/var/log/$app/$app.log"
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ynh_config_add_logrotate
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#=================================================
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# START SYSTEMD SERVICE
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#=================================================
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ynh_script_progression "Starting a systemd service..."
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ynh_systemctl --service="$app" --action="start"
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#=================================================
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# END OF SCRIPT
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#=================================================
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ynh_script_progression "Upgrade of $app completed"
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