From 7864d5b6a21913918dabfe842d218629f1f783f9 Mon Sep 17 00:00:00 2001
From: Philippe PITTOLI <p.pittoli@unistra.fr>
Date: Sun, 27 Oct 2019 22:13:40 +0100
Subject: [PATCH] first attempt at adding the nginx service

---
 services/nginx.spec     |  7 +++++++
 services/www.spec       |  5 +++++
 src/gen-config.cr       | 13 +++++++++++++
 templates/nginx.conf.j2 | 36 ++++++++++++++++++++++++++++++++++++
 4 files changed, 61 insertions(+)
 create mode 100644 services/nginx.spec
 create mode 100644 services/www.spec
 create mode 100644 templates/nginx.conf.j2

diff --git a/services/nginx.spec b/services/nginx.spec
new file mode 100644
index 0000000..0938bde
--- /dev/null
+++ b/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
diff --git a/services/www.spec b/services/www.spec
new file mode 100644
index 0000000..4362cdb
--- /dev/null
+++ b/services/www.spec
@@ -0,0 +1,5 @@
+command: echo "coucou"
+consumes: www
+
+%directory ${SERVICE_ROOT}/
+	name: data directory
diff --git a/src/gen-config.cr b/src/gen-config.cr
index 5ea81c1..3047ef0 100644
--- a/src/gen-config.cr
+++ b/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
 
diff --git a/templates/nginx.conf.j2 b/templates/nginx.conf.j2
new file mode 100644
index 0000000..119b48d
--- /dev/null
+++ b/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 %}
+
+}