Add the ability to override the IPFS port that nginx connects to

This allows us to use the API proxy from the cluster

site-cookbooks/kosmos-ipfs/attributes/default.rb

@@ -0,0 +1,3 @@
+# Override to connect to the IPFS cluster proxy on port 9095
+# (https://cluster.ipfs.io/documentation/composite-clusters/)
+node.default['kosmos-ipfs']['nginx']['api_port'] = 5001

site-cookbooks/kosmos-ipfs/recipes/cluster.rb

@@ -8,6 +8,7 @@
 #
 
 include_recipe "ipfs::cluster"
+include_recipe "ipfs::cluster_service"
 
 unless node.chef_environment == "development"
   include_recipe "firewall"

site-cookbooks/kosmos-ipfs/recipes/letsencrypt.rb

@@ -31,7 +31,7 @@ template "#{node['nginx']['dir']}/sites-available/ipfs.kosmos.org" do
             root_directory:          root_directory,
             ssl_cert:                "/etc/letsencrypt/live/ipfs.kosmos.org/fullchain.pem",
             ssl_key:                 "/etc/letsencrypt/live/ipfs.kosmos.org/privkey.pem",
-            ipfs_api_port:           5001,
+            ipfs_api_port:           node['kosmos-ipfs']['nginx']['api_port'],
             ipfs_external_api_port:  5444
 
   notifies :reload, 'service[nginx]', :delayed