Allow multiple hostname

Signed-off-by: pratixha <pratiksha.prajapati@msystechnologies.com>

docs-chef-io/content/supermarket/config_rb_supermarket.md

@@ -53,6 +53,8 @@ This configuration file has the following general settings:
 `default['supermarket']['fqdn']`
 
 : The fully qualified domain name for the Supermarket server. Defaults to using the current FQDN for the machine.
+: For allowing multiple hostname in `default['supermarket']['fqdn']`, specify `node['hostname']` separated by coma.
+eg. node['https://hostname1.example1.com', https://hostname2.example2.com]
 
 `default['supermarket']['disable_host_header_attack']`
 

omnibus/cookbooks/omnibus-supermarket/attributes/default.rb

@@ -61,6 +61,8 @@
 
 # The fully qualified domain name. Will use the node's fqdn if nothing is
 # specified.
+# node['hostname'] can allow multiple hostname separated by coma.
+# eg. node['hostname.example1.com', hostname.example2.com]
 default['supermarket']['fqdn'] = (node['fqdn'] || node['hostname']).downcase
 
 # The URL for the Chef server. Used with the "Chef OAuth2 Settings" and

src/supermarket/config/environments/production.rb

@@ -115,7 +115,10 @@
 
   # The value of ENV["DISABLE_HOST_HEADER_ATTACK"] will be parsed as string.
   # Hence we need to convert string to boolean.
+  # It allows multiple hostname by specifying node['hostname'] attribute in .env file.
   if ActiveModel::Type::Boolean.new.cast(ENV["DISABLE_HOST_HEADER_ATTACK"]) && ENV["ALLOWED_HOST"].present?
-    config.hosts << ENV["ALLOWED_HOST"]
+    ENV["ALLOWED_HOST"].split(",").each do |host|
+      config.hosts << host.strip
+    end
   end
 end