mirror of
https://github.com/YunoHost-Apps/discourse_ynh.git
synced 2024-09-03 18:26:18 +02:00
375 lines
15 KiB
Bash
375 lines
15 KiB
Bash
#!/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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#=================================================
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# LOAD SETTINGS
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#=================================================
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ynh_print_info --message="Loading installation settings..."
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app=$YNH_APP_INSTANCE_NAME
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domain=$(ynh_app_setting_get --app=$app --key=domain)
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path_url=$(ynh_app_setting_get --app=$app --key=path)
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admin=$(ynh_app_setting_get --app=$app --key=admin)
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is_public=$(ynh_app_setting_get --app=$app --key=is_public)
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final_path=$(ynh_app_setting_get --app=$app --key=final_path)
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db_name=$(ynh_app_setting_get --app=$app --key=db_name)
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db_pwd=$(ynh_app_setting_get --app=$app --key=db_pwd)
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redis_db=$(ynh_app_setting_get --app=$app --key=redis_db)
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unicorn_workers=$(ynh_app_setting_get --app=$app --key=unicorn_workers)
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# Check memory requirements
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check_memory_requirements_upgrade
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#=================================================
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# CHECK VERSION
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#=================================================
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ynh_print_info --message="Checking version..."
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upgrade_type=$(ynh_check_app_version_changed)
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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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# If db_name doesn't exist, create it
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if [ -z "$unicorn_workers" ]
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then
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# We assume for the moment that ARM devices are only dual core, so
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# we restrict the number of workers to 2 (the default is 3)
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if [ -n "$(uname -m | grep arm)" ]
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then
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unicorn_workers=2
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else
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unicorn_workers=3
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fi
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ynh_app_setting_set --app=$app --key=unicorn_workers --value=$unicorn_workers
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fi
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#=================================================
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# BACKUP BEFORE UPGRADE THEN ACTIVE TRAP
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#=================================================
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ynh_print_info --message="Backing up the app before upgrading (may take a while)..."
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# Backup the current version of the app
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ynh_backup_before_upgrade
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ynh_clean_setup () {
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# restore it if the upgrade fails
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ynh_restore_upgradebackup
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}
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# Exit if an error occurs during the execution of the script
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ynh_abort_if_errors
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#=================================================
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# ENABLE MAINTENANCE MODE
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#=================================================
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ynh_print_info --message="Enabling maintenance mode..."
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ynh_maintenance_mode_ON
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#=================================================
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# STANDARD UPGRADE STEPS
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#=================================================
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# STOP SYSTEMD SERVICE
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#=================================================
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ynh_print_info --message="Stopping a systemd service..."
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ynh_systemd_action --service_name=$app --action="stop" --log_path="$final_path/log/unicorn.stderr.log"
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#=================================================
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# DOWNLOAD, CHECK AND UNPACK SOURCE
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#=================================================
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ynh_print_info --message="Downloading..."
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# Specific actions on ARM architecture
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if [ -n "$(uname -m | grep arm)" ] ; then
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# Unapply commit cf9b4a789b855b5199e98a13424e409854a8e848 that breaks ARM
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# compatibility by pointing to a recent libv8 version
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# This is due to this libv8 issue (https://github.com/cowboyd/libv8/issues/261)
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# that prevents it from being compiled on ARM hence no binary gem is available yet
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cp ../sources/patches_arm/* ../sources/patches
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fi
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# Backup files to keep
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tmpdir=$(mktemp -d)
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cp -Rp $final_path/plugins $final_path/config/discourse.conf $tmpdir
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if [ -d $final_path/public/uploads ] ; then
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cp -Rp $final_path/public/uploads $tmpdir
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fi
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if [ -d $final_path/public/backups ] ; then
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cp -Rp $final_path/public/backups $tmpdir
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fi
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if [ -d $final_path/log ] ; then
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cp -Rp $final_path/log $tmpdir
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fi
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# Remove destination directory
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ynh_secure_remove --file=$final_path
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# Download, check integrity, uncompress and patch the source from app.src
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ynh_setup_source --dest_dir="$final_path"
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# Restore previous files
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if [ -d $tmpdir/uploads ] ; then
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cp -Rp $tmpdir/uploads $final_path/public
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fi
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if [ -d $tmpdir/backups ] ; then
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cp -Rp $tmpdir/backups $final_path/public
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fi
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if [ -d $tmpdir/log ] ; then
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cp -Rp $tmpdir/log $final_path
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fi
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(
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cd $tmpdir/plugins/
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for discourse_plugin_dir in */
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do
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# Only copy plugins not included in Discourse archive
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if [ ! -d "$final_path/plugins/$discourse_plugin_dir" ]
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then
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cp -a "$discourse_plugin_dir" "$final_path/plugins/$discourse_plugin_dir"
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fi
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done
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)
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cp -Rp $tmpdir/log $final_path
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cp -p $tmpdir/discourse.conf $final_path/config
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# Install LDAP plugin
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ynh_secure_remove --file="$final_path/plugins/discourse-ldap-auth"
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mkdir -p "$final_path/plugins/discourse-ldap-auth"
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ynh_setup_source --dest_dir="$final_path/plugins/discourse-ldap-auth" --source_id=ldap-auth
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#=================================================
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# NGINX CONFIGURATION
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#=================================================
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ynh_print_info --message="Upgrading nginx web server configuration..."
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# Create a dedicated nginx config
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ynh_add_nginx_config
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# Reference: https://meta.discourse.org/t/subfolder-support-with-docker/30507?u=falco&source_topic_id=54191
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if [ "$path_url" != "/" ] ; then
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ynh_replace_string --match_string='$proxy_add_x_forwarded_for' --replace_string='$http_your_original_ip_header' --target_file="/etc/nginx/conf.d/$domain.d/$app.conf"
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fi
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ynh_store_file_checksum --file="/etc/nginx/conf.d/$domain.d/$app.conf"
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#=================================================
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# UPGRADE DEPENDENCIES
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#=================================================
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ynh_print_info --message="Upgrading dependencies..."
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ynh_install_app_dependencies "$pkg_dependencies"
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#=================================================
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# INSTALL RUBY
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#=================================================
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ynh_print_info --message="Installing Ruby..."
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ynh_install_ruby --ruby_version=$RUBY_VERSION
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#=================================================
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# CREATE DEDICATED USER
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#=================================================
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ynh_print_info --message="Making sure dedicated system user exists..."
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# Create a dedicated user (if not existing)
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ynh_system_user_create --username=$app
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#=================================================
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# SPECIFIC UPGRADE
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#=================================================
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# CONFIGURE DISCOURSE
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#=================================================
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ynh_print_info --message="Configuring Discourse..."
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# Make a backup of the original config file if modified
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ynh_backup_if_checksum_is_different --file="$final_path/config/discourse.conf"
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# Configure database
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discourse_config_file="$final_path/config/discourse.conf"
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cp $final_path/config/discourse_defaults.conf $discourse_config_file
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ynh_replace_string --match_string="db_name = discourse" --replace_string="db_name = $db_name" --target_file="$discourse_config_file"
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ynh_replace_string --match_string="db_username = discourse" --replace_string="db_username = $db_name" --target_file="$discourse_config_file"
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ynh_replace_string --match_string="db_password =" --replace_string="db_password = $db_pwd" --target_file="$discourse_config_file"
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# Configure hostname
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ynh_replace_string --match_string="hostname = \"www.example.com\"" --replace_string="hostname = \"$domain\"" --target_file="$discourse_config_file"
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ynh_replace_string --match_string="relative_url_root =" --replace_string="relative_url_root = ${path_url%/}" --target_file="$discourse_config_file"
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# Serve static assets (i.e. images, js, etc.)
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ynh_replace_string --match_string="serve_static_assets = false" --replace_string="serve_static_assets = true" --target_file="$discourse_config_file"
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# Don't show miniprofiler
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ynh_replace_string --match_string="load_mini_profiler = true" --replace_string="load_mini_profiler = false" --target_file="$discourse_config_file"
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# Configure e-mail server
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admin_mail=$(ynh_user_get_info "$admin" mail)
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ynh_replace_string --match_string="developer_emails =" --replace_string="developer_emails = $admin_mail" --target_file="$discourse_config_file"
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ynh_replace_string --match_string="smtp_address =" --replace_string="smtp_address = localhost" --target_file="$discourse_config_file"
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ynh_replace_string --match_string="smtp_domain =" --replace_string="smtp_domain = $domain" --target_file="$discourse_config_file"
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ynh_replace_string --match_string="smtp_enable_start_tls = true" --replace_string="smtp_enable_start_tls = false" --target_file="$discourse_config_file"
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# Configure redis
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ynh_replace_string --match_string="redis_db = 0" --replace_string="redis_db = $redis_db" --target_file="$discourse_config_file"
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# Don't notify on new versions (handled by the YunoHost package)
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ynh_replace_string --match_string="new_version_emails = true" --replace_string="new_version_emails = false" --target_file="$discourse_config_file"
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# Calculate and store the config file checksum
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ynh_store_file_checksum --file="$discourse_config_file"
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# Make a backup of the original config file if modified
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ynh_backup_if_checksum_is_different "$final_path/plugins/discourse-ldap-auth/config/settings.yml"
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# Configure LDAP plugin
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ldap_config_file="$final_path/plugins/discourse-ldap-auth/config/settings.yml"
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ynh_replace_string --match_string="adfs.example.com" --replace_string="localhost" --target_file="$ldap_config_file"
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ynh_replace_string --match_string="dc=example,dc=com" --replace_string="ou=users,dc=yunohost,dc=org" --target_file="$ldap_config_file"
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ynh_replace_string --match_string="sAMAccountName" --replace_string="uid" --target_file="$ldap_config_file"
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ynh_store_file_checksum --file="$ldap_config_file"
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# Disable svgo worker
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echo "svgo: false" > $final_path/.image_optim.yml
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#=================================================
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# SETUP UNICORN, A RUBY SERVER
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#=================================================
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ynh_print_info --message="Setuping Unicorn..."
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unicorn_config_file="$final_path/config/unicorn.conf.rb"
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# Use socket connection
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ynh_replace_string --match_string='listen (ENV\["UNICORN_PORT"\] || 3000).to_i' --replace_string='# listen (ENV["UNICORN_PORT"] || 3000).to_i' --target_file="$unicorn_config_file"
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ynh_replace_string --match_string='# listen "#{discourse_path}/tmp/sockets/unicorn.sock"' --replace_string='listen "#{discourse_path}/tmp/sockets/unicorn.sock"' --target_file="$unicorn_config_file"
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# Calculate and store the config file checksum
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ynh_store_file_checksum --file="$unicorn_config_file"
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# Set a secret value
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cp ../conf/secrets.yml "$final_path/config/secrets.yml"
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ynh_replace_string --match_string="__SECRET__" --replace_string="$(ynh_string_random)" --target_file="$final_path/config/secrets.yml"
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# Calculate and store the config file checksum
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ynh_store_file_checksum --file="$final_path/config/secrets.yml"
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# Set permissions to app files
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chown -R $app: $final_path
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(cd "$final_path"
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# Install bundler, a gems installer
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gem install bundler
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# Install without documentation
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exec_as $app echo "gem: --no-ri --no-rdoc" >> "$final_path/.gemrc")
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# Specific actions on ARM architecture
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if [ -n "$(uname -m | grep arm)" ] ; then
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# Define the platform specifically to retrieve binaries
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# for libv8 because it currently doesn't compile on ARM devices
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exec_login_as $app bundle config specific_platform arm-linux
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fi
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# Install dependencies
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exec_login_as $app bundle config set path 'vendor/bundle'
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exec_login_as $app bundle config set with 'development'
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exec_login_as $app MAKEFLAGS=-j2 bundle install --jobs 2
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# On ARM architecture, replace bundled libpsl by system native libpsl
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# because the provided binary isn't compatible
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if [ -n "$(uname -m | grep arm)" ] ; then
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(cd $final_path/vendor/bundle/ruby/*/gems/mini_suffix-*/vendor
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rm libpsl.so
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ln -s $(ldconfig -p | grep libpsl | awk 'END {print $NF}') libpsl.so)
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fi
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#=================================================
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# PREPARE THE DATABASE
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#=================================================
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ynh_print_info --message="Preparing the database..."
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rake_exec="exec_login_as $app RAILS_ENV=production bin/rake"
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$rake_exec db:migrate
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$rake_exec assets:precompile
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#=================================================
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# CONFIGURE PLUGINS
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#=================================================
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ynh_print_info --message="Configuring plugins..."
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# Patch ldap-auth plugin dependency (omniauth-ldap) to fix it when using domain subfolder
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# (Can only do that now because we are patching dependencies which have just been downloaded)
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# Patch applied: https://github.com/omniauth/omniauth-ldap/pull/16
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(cd $final_path/plugins/discourse-ldap-auth/gems/${RUBY_VERSION}/gems/omniauth-ldap*/
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patch -p1 < $YNH_CWD/../conf/ldap-auth-fix-subfolder.patch)
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#=================================================
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# SETUP SYSTEMD
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#=================================================
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ynh_print_info --message="Configuring a systemd service..."
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ynh_replace_string --match_string="__RBENVROOT__" --replace_string="$RBENV_ROOT" --target_file="../conf/systemd.service"
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additional_env="UNICORN_WORKERS=$unicorn_workers"
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ynh_replace_string --match_string="__ADDITIONAL_ENV__" --replace_string="$additional_env" --target_file="../conf/systemd.service"
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ynh_replace_string --match_string="__LIBJEMALLOC__" --replace_string="$(ldconfig -p | grep libjemalloc | awk 'END {print $NF}')" --target_file="../conf/systemd.service"
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ynh_add_systemd_config
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#=================================================
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# GENERIC FINALIZATION
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#=================================================
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# SECURE FILES AND DIRECTORIES
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#=================================================
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ynh_print_info --message="Securing files and directories..."
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# Add a pids and socket directory for the systemd script.
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mkdir -p "$final_path/tmp/pids"
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mkdir "$final_path/tmp/sockets"
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# Create specific folders and links for subfolder compatibilityn
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# (see: https://meta.discourse.org/t/subfolder-support-with-docker/30507)
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(
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cd $final_path
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mkdir -p "public/forum"
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cd public/forum && ln -s ../uploads && ln -s ../backups
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)
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# Set permissions to app files
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chown -R $app: $final_path
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# Restrict rights to log directory (needed by logrotate)
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chmod g-w $final_path/log
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#=================================================
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# SETUP SSOWAT
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#=================================================
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ynh_print_info --message="Upgrading SSOwat configuration..."
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# If app is public, add url to SSOWat conf as skipped_uris
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if [ $is_public -eq 1 ]
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then
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# unprotected_uris allows SSO credentials to be passed anyway.
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ynh_app_setting_set "$app" skipped_uris "/"
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fi
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#=================================================
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# START SYSTEMD SERVICE
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#=================================================
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ynh_print_info --message="Starting a systemd service..."
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# Wait for discourse to be fully started
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ynh_systemd_action --service_name=$app --action="start" --log_path="$final_path/log/unicorn.stderr.log" --line_match="INFO -- : worker=$((unicorn_workers-1)) ready"
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#=================================================
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# DISABLE MAINTENANCE MODE
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#=================================================
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ynh_maintenance_mode_OFF
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#=================================================
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# RELOAD NGINX
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#=================================================
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ynh_print_info --message="Reloading nginx web server..."
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ynh_systemd_action --service_name=nginx --action=reload
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#=================================================
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# END OF SCRIPT
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#=================================================
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ynh_print_info --message="Upgrade of $app completed"
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