Initial version of the kosmos-dirsrv cookbook

It sets up 389 Directory Server, including a TLS cert acquired using
Let's Encrypt in production (that requires ldap.kosmos.org pointing to
the server's IP)

cookbooks/ulimit/libraries/domain.rb

@@ -0,0 +1,59 @@
+require 'chef/resource'
+
+class Chef
+  class Resource
+    class UlimitDomain < Chef::Resource
+      property :domain, String
+      property :domain_name, String, name_property: true
+      property :filename, String
+
+      load_current_value do |new_resource|
+        new_resource.filename new_resource.name unless new_resource.filename
+        new_resource.filename "#{new_resource.filename}.conf" unless new_resource.filename.end_with?('.conf')
+
+        new_resource.subresource_rules.map! do |name, block|
+          urule = Chef::Resource::UlimitRule.new("#{new_resource.name}:#{name}]", nil)
+          urule.domain new_resource
+          urule.action :nothing
+          urule.instance_eval(&block)
+          unless name
+            urule.name "ulimit_rule[#{new_resource.name}:#{urule.item}-#{urule.type}-#{urule.value}]"
+          end
+          urule
+        end
+      end
+
+      attr_reader :subresource_rules
+
+      def initialize(*args)
+        @subresource_rules = []
+        super
+      end
+
+      def rule(name = nil, &block)
+        @subresource_rules << [name, block]
+      end
+
+      action :create do
+        new_resource.subresource_rules.map do |sub_resource|
+          sub_resource.run_context = new_resource.run_context
+          sub_resource.run_action(:create)
+        end
+
+        new_resource.filename new_resource.name unless new_resource.filename
+        new_resource.filename "#{new_resource.filename}.conf" unless new_resource.filename.end_with?('.conf')
+        template ::File.join(node['ulimit']['security_limits_directory'], new_resource.filename) do
+          source 'domain.erb'
+          cookbook 'ulimit'
+          variables domain: new_resource.domain_name
+        end
+      end
+
+      action :delete do
+        file ::File.join(node['ulimit']['security_limits_directory'], new_resource.filename) do
+          action :delete
+        end
+      end
+    end
+  end
+end