Add node_timeout parameter for proxy-server.conf

This commit allows to configure the node_timeout parameter
of proxy-server.conf proxy-server middleware in the pipeline.

Change-Id: Idbac35336a5b266f6de288a28243f91ee4d67afd

manifests/proxy.pp

@@ -50,6 +50,10 @@
 #    Optional but requires write_affinity to be set.
 #    Defaults to undef.
 #
+#  [*node_timeout*]
+#    (optional) Configures node_timeout for swift proxy-server
+#    Defaults to undef.
+#
 #  [*enabled*]
 #    (optional) Should the service be enabled.
 #    Defaults to true
@@ -94,6 +98,7 @@ class swift::proxy(
   $read_affinity             = undef,
   $write_affinity            = undef,
   $write_affinity_node_count = undef,
+  $node_timeout              = undef,
   $manage_service            = true,
   $enabled                   = true,
   $package_ensure            = 'present'

spec/classes/swift_proxy_spec.rb

@@ -102,6 +102,7 @@ describe 'swift::proxy' do
            :read_affinity             => 'r1z1=100, r1=200',
            :write_affinity            => 'r1',
            :write_affinity_node_count => '2 * replicas',
+           :node_timeout              => '20',
           }
         end
         it 'should build the header file with provided values' do
@@ -121,7 +122,8 @@ describe 'swift::proxy' do
               'account_autocreate = false',
               'read_affinity = r1z1=100, r1=200',
               'write_affinity = r1',
-              'write_affinity_node_count = 2 * replicas'
+              'write_affinity_node_count = 2 * replicas',
+              'node_timeout = 20'
             ]
           )
         end

templates/proxy-server.conf.erb

@@ -41,3 +41,6 @@ write_affinity = <%= @write_affinity -%>
 <% if @write_affinity_node_count -%>
 write_affinity_node_count = <%= @write_affinity_node_count -%>
 <% end %>
+<% if @node_timeout -%>
+node_timeout = <%= @node_timeout -%>
+<% end %>