Migrate discourse proxy to openresty

site-cookbooks/kosmos_discourse/metadata.rb

@@ -2,10 +2,11 @@ name 'kosmos_discourse'
 maintainer 'Kosmos Developers'
 maintainer_email 'mail@kosmos.org'
 license 'MIT'
-description 'Installs/Configures discourse'
-long_description 'Installs/Configures discourse'
-version '0.1.0'
+description 'Installs/configures Discourse'
+long_description 'Installs/configures Discourse'
+version '0.2.0'
 chef_version '>= 14.0'
 
 depends 'discourse'
 depends 'firewall'
+depends 'kosmos_openresty'

site-cookbooks/kosmos_discourse/recipes/nginx.rb

@@ -3,4 +3,30 @@
 # Recipe:: nginx
 #
 
-include_recipe "discourse::nginx"
+domain = node['discourse']['domain']
+discourse_role = node['discourse']['role']
+
+upstream_ip_addresses = []
+search(:node, "role:#{discourse_role}").each do |n|
+  upstream_ip_addresses << n["knife_zero"]["host"]
+end
+# No Discourse host, stop here
+if upstream_ip_addresses.empty?
+  Chef::Log.warn("No server with '#{discourse_role}' role. Stopping here.")
+  return
+end
+
+tls_cert_for domain do
+  auth "gandi_dns"
+  action :create
+end
+
+openresty_site domain do
+  template "nginx_conf.erb"
+  variables server_name:           domain,
+            ssl_cert:              "/etc/letsencrypt/live/#{domain}/fullchain.pem",
+            ssl_key:               "/etc/letsencrypt/live/#{domain}/privkey.pem",
+            upstream_port:         node['discourse']['port'],
+            upstream_name:         discourse_role,
+            upstream_ip_addresses: upstream_ip_addresses
+end

site-cookbooks/kosmos_discourse/templates/nginx_conf.erb

@@ -8,7 +8,7 @@ upstream _discourse {
 <% if File.exist?(@ssl_cert) && File.exist?(@ssl_key) -%>
 server {
   server_name <%= @server_name %>;
-  listen 443 ssl http2;
+  listen <%= "#{node['openresty']['listen_ip']}:" if node['openresty']['listen_ip'] %>443 ssl http2;
   listen [::]:443 ssl http2;
 
   ssl_certificate     <%= @ssl_cert %>;