Create a nginx_certbot_site resource to remove duplication

It creates a folder, the nginx vhost for certbot and HTTP redirects, and
also runs certbot and recreates the nginx vhost that includes the TLS
cert

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

@@ -0,0 +1 @@
+node.default["kosmos-wordpress"]["nginx"]["domain"] = "blog.kosmos.org"

site-cookbooks/kosmos-wordpress/recipes/nginx.rb

@@ -34,23 +34,15 @@ include_recipe "kosmos-nginx"
 
 include_recipe "wordpress::app"
 
-unless node.chef_environment == "development"
-  include_recipe "kosmos-base::letsencrypt"
+server_name = node['wordpress']['server_name']
 
-  execute "letsencrypt cert for blog.kosmos.org" do
-    command "/usr/bin/certbot certonly --webroot --agree-tos --email ops@5apps.com --webroot-path #{node['wordpress']['dir']} -d blog.kosmos.org -n"
-    not_if { File.exist? "/etc/letsencrypt/live/blog.kosmos.org/fullchain.pem" }
-    notifies :reload, "service[nginx]", :delayed
-  end
-end
-
-ssl_cert = "/etc/letsencrypt/live/blog.kosmos.org/fullchain.pem"
-ssl_key  = "/etc/letsencrypt/live/blog.kosmos.org/privkey.pem"
-template "#{node['nginx']['dir']}/sites-available/wordpress" do
+ssl_cert = "/etc/letsencrypt/live/#{server_name}/fullchain.pem"
+ssl_key  = "/etc/letsencrypt/live/#{server_name}/privkey.pem"
+template "#{node['nginx']['dir']}/sites-available/#{server_name}" do
   source "nginx.conf.erb"
   variables(
     docroot:        node['wordpress']['dir'],
-    server_name:    node['wordpress']['server_name'],
+    server_name:    server_name,
     server_aliases: node['wordpress']['server_aliases'],
     server_port:    node['wordpress']['server_port'],
     ssl_cert:       ssl_cert,
@@ -60,6 +52,8 @@ template "#{node['nginx']['dir']}/sites-available/wordpress" do
   notifies :reload, "service[nginx]", :delayed
 end
 
-nginx_site 'wordpress' do
-  enable true
+nginx_site server_name do
+  action :enable
 end
+
+nginx_certbot_site server_name