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chuwiki_ynh/scripts/install
2021-04-01 13:24:48 +02:00

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#!/bin/bash
#=================================================
# GENERIC START
#=================================================
# IMPORT GENERIC HELPERS
#=================================================
source _common.sh
source /usr/share/yunohost/helpers
#=================================================
# MANAGE SCRIPT FAILURE
#=================================================
# Exit if an error occurs during the execution of the script
ynh_abort_if_errors
#=================================================
# RETRIEVE ARGUMENTS FROM THE MANIFEST
#=================================================
domain=$YNH_APP_ARG_DOMAIN
path_url=$YNH_APP_ARG_PATH
is_public=$YNH_APP_ARG_IS_PUBLIC
### If it's a multi-instance app, meaning it can be installed several times independently
### The id of the app as stated in the manifest is available as $YNH_APP_ID
### The instance number is available as $YNH_APP_INSTANCE_NUMBER (equals "1", "2"...)
### The app instance name is available as $YNH_APP_INSTANCE_NAME
### - the first time the app is installed, YNH_APP_INSTANCE_NAME = ynhexample
### - the second time the app is installed, YNH_APP_INSTANCE_NAME = ynhexample__2
### - ynhexample__{N} for the subsequent installations, with N=3,4...
### The app instance name is probably what interests you most, since this is
### guaranteed to be unique. This is a good unique identifier to define installation path,
### db names...
app=$YNH_APP_INSTANCE_NAME
#=================================================
# CHECK IF THE APP CAN BE INSTALLED WITH THESE ARGS
#=================================================
### About --weight and --time
### ynh_script_progression will show to your final users the progression of each scripts.
### In order to do that, --weight will represent the relative time of execution compared to the other steps in the script.
### --time is a packager option, it will show you the execution time since the previous call.
### This option should be removed before releasing your app.
### Use the execution time, given by --time, to estimate the weight of a step.
### A common way to do it is to set a weight equal to the execution time in second +1.
### The execution time is given for the duration since the previous call. So the weight should be applied to this previous call.
ynh_script_progression --message="Validating installation parameters..." --weight=1
### If the app uses NGINX as web server (written in HTML/PHP in most cases), the final path should be "/var/www/$app".
### If the app provides an internal web server (or uses another application server such as uWSGI), the final path should be "/opt/yunohost/$app"
final_path=/var/www/$app
test ! -e "$final_path" || ynh_die --message="This path already contains a folder"
# Register (book) web path
ynh_webpath_register --app=$app --domain=$domain --path_url=$path_url
#=================================================
# STORE SETTINGS FROM MANIFEST
#=================================================
ynh_script_progression --message="Storing installation settings..." --weight=1
ynh_app_setting_set --app=$app --key=domain --value=$domain
ynh_app_setting_set --app=$app --key=path --value=$path_url
ynh_app_setting_set --app=$app --key=admin --value=$admin
#=================================================
# STANDARD MODIFICATIONS
#=================================================
# DOWNLOAD, CHECK AND UNPACK SOURCE
#=================================================
ynh_script_progression --message="Setting up source files..." --weight=1
### `ynh_setup_source` is used to install an app from a zip or tar.gz file,
### downloaded from an upstream source, like a git repository.
### `ynh_setup_source` use the file conf/app.src
ynh_app_setting_set --app=$app --key=final_path --value=$final_path
# Download, check integrity, uncompress and patch the source from app.src
ynh_setup_source --dest_dir="$final_path"
#=================================================
# NGINX CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring NGINX web server..." --weight=1
### `ynh_add_nginx_config` will use the file conf/nginx.conf
# Create a dedicated NGINX config
ynh_add_nginx_config
#=================================================
# CREATE DEDICATED USER
#=================================================
ynh_script_progression --message="Configuring system user..." --weight=1
# Create a system user
ynh_system_user_create --username=$app
#=================================================
# PHP-FPM CONFIGURATION
#=================================================
ynh_script_progression --message="Configuring PHP-FPM..." --weight=1
### `ynh_add_fpm_config` is used to set up a PHP config.
### You can remove it if your app doesn't use PHP.
### `ynh_add_fpm_config` will use the files conf/php-fpm.conf
### If you're not using these lines:
### - You can remove these files in conf/.
### - Remove the section "BACKUP THE PHP-FPM CONFIGURATION" in the backup script
### - Remove also the section "REMOVE PHP-FPM CONFIGURATION" in the remove script
### - As well as the section "RESTORE THE PHP-FPM CONFIGURATION" in the restore script
### with the reload at the end of the script.
### - And the section "PHP-FPM CONFIGURATION" in the upgrade script
# Create a dedicated PHP-FPM config
ynh_add_fpm_config
#=================================================
# SPECIFIC SETUP
#=================================================
# ...
#=================================================
#=================================================
# SETUP SYSTEMD
#=================================================
ynh_script_progression --message="Configuring a systemd service..." --weight=1
### `ynh_systemd_config` is used to configure a systemd script for an app.
### It can be used for apps that use sysvinit (with adaptation) or systemd.
### Have a look at the app to be sure this app needs a systemd script.
### `ynh_systemd_config` will use the file conf/systemd.service
### If you're not using these lines:
### - You can remove those files in conf/.
### - Remove the section "BACKUP SYSTEMD" in the backup script
### - Remove also the section "STOP AND REMOVE SERVICE" in the remove script
### - As well as the section "RESTORE SYSTEMD" in the restore script
### - And the section "SETUP SYSTEMD" in the upgrade script
# Create a dedicated systemd config
ynh_add_systemd_config
#=================================================
# SETUP APPLICATION WITH CURL
#=================================================
### Use these lines only if the app installation needs to be finalized through
### web forms. We generally don't want to ask the final user,
### so we're going to use curl to automatically fill the fields and submit the
### forms.
# Set the app as temporarily public for curl call
ynh_script_progression --message="Configuring SSOwat..." --weight=1
# Making the app public for curl
ynh_permission_update --permission="main" --add="visitors"
# Remove the public access
ynh_permission_update --permission="main" --remove="visitors"
#=================================================
# GENERIC FINALIZATION
#=================================================
# SECURE FILES AND DIRECTORIES
#=================================================
### For security reason, any app should set the permissions to root: before anything else.
### Then, if write authorization is needed, any access should be given only to directories
### that really need such authorization.
# Set permissions to app files
chown -R root: $final_path
#=================================================
# SETUP LOGROTATE
#=================================================
ynh_script_progression --message="Configuring log rotation..." --weight=1
### `ynh_use_logrotate` is used to configure a logrotate configuration for the logs of this app.
### Use this helper only if there is effectively a log file for this app.
### If you're not using this helper:
### - Remove the section "BACKUP LOGROTATE" in the backup script
### - Remove also the section "REMOVE LOGROTATE CONFIGURATION" in the remove script
### - As well as the section "RESTORE THE LOGROTATE CONFIGURATION" in the restore script
### - And the section "SETUP LOGROTATE" in the upgrade script
# Use logrotate to manage application logfile(s)
ynh_use_logrotate
#=================================================
# INTEGRATE SERVICE IN YUNOHOST
#=================================================
ynh_script_progression --message="Integrating service in YunoHost..." --weight=1
### `yunohost service add` integrates a service in YunoHost. It then gets
### displayed in the admin interface and through the others `yunohost service` commands.
### (N.B.: this line only makes sense if the app adds a service to the system!)
### If you're not using these lines:
### - You can remove these files in conf/.
### - Remove the section "REMOVE SERVICE INTEGRATION IN YUNOHOST" in the remove script
### - As well as the section "INTEGRATE SERVICE IN YUNOHOST" in the restore script
### - And the section "INTEGRATE SERVICE IN YUNOHOST" in the upgrade script
yunohost service add $app --description="ChuWiki service" --log="/var/log/$app/$app.log"
### Additional options starting with 3.8:
###
### --needs_exposed_ports "$port" a list of ports that needs to be publicly exposed
### which will then be checked by YunoHost's diagnosis system
### (N.B. DO NOT USE THIS is the port is only internal!!!)
###
### --test_status "some command" a custom command to check the status of the service
### (only relevant if 'systemctl status' doesn't do a good job)
###
### --test_conf "some command" some command similar to "nginx -t" that validates the conf of the service
###
### Re-calling 'yunohost service add' during the upgrade script is the right way
### to proceed if you later realize that you need to enable some flags that
### weren't enabled on old installs (be careful it'll override the existing
### service though so you should re-provide all relevant flags when doing so)
#=================================================
# START SYSTEMD SERVICE
#=================================================
ynh_script_progression --message="Starting a systemd service..." --weight=1
### `ynh_systemd_action` is used to start a systemd service for an app.
### Only needed if you have configure a systemd service
### If you're not using these lines:
### - Remove the section "STOP SYSTEMD SERVICE" and "START SYSTEMD SERVICE" in the backup script
### - As well as the section "START SYSTEMD SERVICE" in the restore script
### - As well as the section"STOP SYSTEMD SERVICE" and "START SYSTEMD SERVICE" in the upgrade script
### - And the section "STOP SYSTEMD SERVICE" and "START SYSTEMD SERVICE" in the change_url script
# Start a systemd service
ynh_systemd_action --service_name=$app --action="start" --log_path="/var/log/$app/$app.log"
#=================================================
# SETUP FAIL2BAN
#=================================================
ynh_script_progression --message="Configuring Fail2Ban..." --weight=1
# Create a dedicated Fail2Ban config
ynh_add_fail2ban_config --logpath="/var/log/nginx/${domain}-error.log" --failregex="Regex to match into the log for a failed login"
#=================================================
# SETUP SSOWAT
#=================================================
ynh_script_progression --message="Configuring permissions..." --weight=1
# Make app public if necessary
if [ $is_public -eq 1 ]
then
# Everyone can access the app.
# The "main" permission is automatically created before the install script.
ynh_permission_update --permission="main" --add="visitors"
fi
### N.B. : the following extra permissions only make sense if your app
### does have for example an admin interface or an api.
# Only the admin can access the admin panel of the app (if the app has an admin panel)
ynh_permission_create --permission="admin" --url="/admin" --allowed=$admin
# Everyone can access to the api part
# We don't want to display the tile in the sso so we put --show_tile="false"
# And we don't want that the YunoHost Admin can remove visitors group to this permission, so we put --protected="true"
ynh_permission_create --permission="api" --url "/api" --allowed="visitors" --show_tile="false" --protected="true"
#=================================================
# 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="Installation of $app completed" --last