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/user.rb

@@ -0,0 +1,63 @@
+require 'chef/resource'
+
+class Chef
+  class Resource
+    class UlimitUser < Chef::Resource
+      resource_name :user_ulimit
+
+      property :username, String, name_property: true
+      property :filename, String, default: lazy { |r| r.username == '*' ? '00_all_limits' : "#{r.username}_limits" }
+      property :filehandle_limit, [String, Integer]
+      property :filehandle_soft_limit, [String, Integer]
+      property :filehandle_hard_limit, [String, Integer]
+      property :process_limit, [String, Integer]
+      property :process_soft_limit, [String, Integer]
+      property :process_hard_limit, [String, Integer]
+      property :memory_limit, [String, Integer]
+      property :core_limit, [String, Integer]
+      property :core_soft_limit, [String, Integer]
+      property :core_hard_limit, [String, Integer]
+      property :stack_limit, [String, Integer]
+      property :stack_soft_limit, [String, Integer]
+      property :stack_hard_limit, [String, Integer]
+      property :rtprio_limit, [String, Integer]
+      property :rtprio_soft_limit, [String, Integer]
+      property :rtprio_hard_limit, [String, Integer]
+
+      action :create do
+        new_resource.filename = "#{new_resource.filename}.conf" unless new_resource.filename.include?('.conf')
+        template "/etc/security/limits.d/#{new_resource.filename}" do
+          source 'ulimit.erb'
+          cookbook 'ulimit'
+          mode '0644'
+          variables(
+            ulimit_user: new_resource.username,
+            filehandle_limit: new_resource.filehandle_limit,
+            filehandle_soft_limit: new_resource.filehandle_soft_limit,
+            filehandle_hard_limit: new_resource.filehandle_hard_limit,
+            process_limit: new_resource.process_limit,
+            process_soft_limit: new_resource.process_soft_limit,
+            process_hard_limit: new_resource.process_hard_limit,
+            memory_limit: new_resource.memory_limit,
+            core_limit: new_resource.core_limit,
+            core_soft_limit: new_resource.core_soft_limit,
+            core_hard_limit: new_resource.core_hard_limit,
+            stack_limit: new_resource.stack_limit,
+            stack_soft_limit: new_resource.stack_soft_limit,
+            stack_hard_limit: new_resource.stack_hard_limit,
+            rtprio_limit: new_resource.rtprio_limit,
+            rtprio_soft_limit: new_resource.rtprio_soft_limit,
+            rtprio_hard_limit: new_resource.rtprio_hard_limit
+          )
+        end
+      end
+
+      action :delete do
+        new_resource.filename = "#{new_resource.filename}.conf" unless new_resource.filename.include?('.conf')
+        file "/etc/security/limits.d/#{new_resource.filename}" do
+          action :delete
+        end
+      end
+    end
+  end
+end