Migrate RS Discourse proxy to openresty

nodes/draco.kosmos.org.json

@@ -49,6 +49,7 @@
       "kosmos-akkounts::nginx_api",
       "kosmos-bitcoin::nginx_lndhub",
       "kosmos-mastodon::nginx",
+      "remotestorage_discourse::nginx",
       "kosmos_encfs",
       "kosmos_encfs::default",
       "kosmos-ejabberd::firewall",

roles/openresty_proxy.rb

@@ -29,7 +29,6 @@ default_run_list = %w(
   kosmos-hubot::nginx_botka_irc-libera-chat
   kosmos-hubot::nginx_hal8000_xmpp
   kosmos-ipfs::nginx_public_gateway
-  remotestorage_discourse::nginx
 )
 
 production_run_list = %w(
@@ -45,6 +44,7 @@ production_run_list = %w(
   kosmos-akkounts::nginx_api
   kosmos-bitcoin::nginx_lndhub
   kosmos-mastodon::nginx
+  remotestorage_discourse::nginx
 )
 
 env_run_lists(

site-cookbooks/remotestorage_discourse/attributes/default.rb

@@ -1,2 +0,0 @@
-node.override['discourse']['domain'] = "community.remotestorage.io"
-node.override['discourse']['role'] = "remotestorage_discourse"

site-cookbooks/remotestorage_discourse/metadata.rb

@@ -2,9 +2,11 @@ name 'remotestorage_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/remotestorage_discourse/recipes/nginx.rb

@@ -3,4 +3,30 @@
 # Recipe:: nginx
 #
 
-include_recipe "discourse::nginx"
+domain = "community.remotestorage.io"
+discourse_role = "remotestorage_discourse"
+
+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/remotestorage_discourse/templates/nginx_conf.erb

@@ -1,14 +1,13 @@
 # Generated by Chef
-upstream _discourse {
+upstream _rs_discourse {
   <% @upstream_ip_addresses.each do |upstream_ip_address| -%>
   server   <%= upstream_ip_address %>:<%= @upstream_port %>;
   <% end -%>
 }
 
-<% 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 %>;
@@ -28,8 +27,7 @@ server {
 
     proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
 
-    proxy_pass http://_discourse;
+    proxy_pass http://_rs_discourse;
     proxy_http_version 1.1;
   }
 }
-<% end -%>