first attempt at adding the nginx service

services/nginx.spec

@@ -0,0 +1,7 @@
+command: nginx -c ${SERVICE_ROOT}/nginx.conf
+provides: www
+
+#%directory ${SERVICE_ROOT}/
+#	name: working directory
+
+%configuration nginx.conf ${SERVICE_ROOT}/nginx.conf

services/www.spec

@@ -0,0 +1,5 @@
+command: echo "coucou"
+consumes: www
+
+%directory ${SERVICE_ROOT}/
+	name: data directory

src/gen-config.cr

@@ -50,6 +50,7 @@ class GenConfig::Context
 	def generate(template, target : String, options : Hash(String, Variables))
 		ServiceDefinition.load SERVICES_DIRECTORY
 		Service.load RC_DIRECTORY
+		Environment.load ENVIRONMENTS_DIRECTORY
 
 		target_file = File.open target, "w"
 
@@ -99,6 +100,18 @@ class GenConfig::Context
 					end
 				end
 				options["providers"] = providers
+
+				consumers = Hash(String, Variables).new
+				service.provides.each do |provider_data|
+					token = provider_data.token
+
+					consumers[token] = Service.all.select do |s2|
+						s2.providers.each do |t2, id|
+							token == t2 && id == service.id
+						end
+					end.map &.full_id
+				end
+				options["consumers"] = consumers
 			end
 		end
 

templates/nginx.conf.j2

@@ -0,0 +1,36 @@
+
+# worker_processes  1;
+daemon off;
+
+worker_rlimit_nofile 1024;
+events {
+	worker_connections  800;
+}
+
+http {
+	error_log  /var/log/{{ id | replace("/", "_") }}_error.log warn;
+	access_log /var/log/{{ id | replace("/", "_") }}_access.log;
+
+	include       /etc/nginx/mime.types;
+	default_type  application/octet-stream;
+	index         index.html index.htm index.xhtml;
+
+	fastcgi_param HTTP_PROXY "";
+
+	keepalive_timeout  65;
+
+	server_tokens off;
+
+	{% for user in consumers["www"] %}
+		server {
+			listen       {{ port(user.id) }} ;
+			listen       [::]:{{ port(user.id) }} ;
+			server_name  {{ user.domain }} ;
+
+			location / {
+				root {{ user.root }} ;
+			}
+		}
+	{% endfor %}
+
+}