From 80242a8edc8e2529ffe9c9d9fd683d9e0921f2b2 Mon Sep 17 00:00:00 2001
From: Maniack Crudelis <maniackcrudelis@users.noreply.github.com>
Date: Fri, 28 Jul 2017 19:11:28 +0200
Subject: [PATCH] New helpers ynh_add_nginx_config and ynh_remove_nginx_config
 (#285)

* New helpers ynh_add_nginx_config and ynh_remove_nginx_config
Standard configuration of nginx
Use local files stored in conf/, so it's still possible to use a specific config
* ynh_substitute_char was renamed ynh_replace_string
* ynh_compare_checksum_config -> ynh_backup_if_checksum_is_different
* Upgrade helpers
* Add some description of which keywords are replaced by which variable
---
 data/helpers.d/backend | 48 ++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 48 insertions(+)

diff --git a/data/helpers.d/backend b/data/helpers.d/backend
index edd8ad7f4..a6b14fc84 100644
--- a/data/helpers.d/backend
+++ b/data/helpers.d/backend
@@ -62,6 +62,54 @@ ynh_remove_logrotate () {
 	fi
 }
 
+# Create a dedicated nginx config
+#
+# This will use a template in ../conf/nginx.conf
+# and will replace the following keywords with 
+# global variables that should be defined before calling
+# this helper :
+#
+#   __PATH__      by  $path_url
+#   __DOMAIN__    by  $domain
+#   __PORT__      by  $port
+#   __NAME__      by  $app
+#   __FINALPATH__ by  $final_path
+#
+# usage: ynh_add_nginx_config
+ynh_add_nginx_config () {
+	finalnginxconf="/etc/nginx/conf.d/$domain.d/$app.conf"
+	ynh_backup_if_checksum_is_different "$finalnginxconf"
+	sudo cp ../conf/nginx.conf "$finalnginxconf"
+
+	# To avoid a break by set -u, use a void substitution ${var:-}. If the variable is not set, it's simply set with an empty variable.
+	# Substitute in a nginx config file only if the variable is not empty
+	if test -n "${path_url:-}"; then
+		ynh_replace_string "__PATH__" "$path_url" "$finalnginxconf"
+	fi
+	if test -n "${domain:-}"; then
+		ynh_replace_string "__DOMAIN__" "$domain" "$finalnginxconf"
+	fi
+	if test -n "${port:-}"; then
+		ynh_replace_string "__PORT__" "$port" "$finalnginxconf"
+	fi
+	if test -n "${app:-}"; then
+		ynh_replace_string "__NAME__" "$app" "$finalnginxconf"
+	fi
+	if test -n "${final_path:-}"; then
+		ynh_replace_string "__FINALPATH__" "$final_path" "$finalnginxconf"
+	fi
+	ynh_store_file_checksum "$finalnginxconf"
+
+	sudo systemctl reload nginx
+}
+
+# Remove the dedicated nginx config
+#
+# usage: ynh_remove_nginx_config
+ynh_remove_nginx_config () {
+	ynh_secure_remove "/etc/nginx/conf.d/$domain.d/$app.conf"
+	sudo systemctl reload nginx
+
 # Create a dedicated php-fpm config
 #
 # usage: ynh_add_fpm_config