Allow users to change container-replicator interval value.

The default interval value is 30s and in some case, this is way
too agressive and we need an automated way of tweaking this value.

Change-Id: I271c218b45d10f15544077e93ded9d74d7842f65
Closes-bug: #1850856

manifests/storage/server.pp

@@ -76,6 +76,10 @@
 #   (optional) Number of replicator workers to spawn.
 #   Defaults to 1.
 #
+# [*replicator_interval*]
+#   (optional) Minimum time for a pass to take, in seconds.
+#   Defaults to 30.
+#
 # [*updater_concurrency*]
 #   (optional) Number of updater workers to spawn.
 #   Defaults to 1.
@@ -164,6 +168,7 @@ define swift::storage::server(
   $workers                        = $::os_workers,
   $allow_versions                 = false,
   $replicator_concurrency         = 1,
+  $replicator_interval            = 30,
   $updater_concurrency            = 1,
   $reaper_concurrency             = 1,
   $log_facility                   = 'LOG_LOCAL2',

spec/defines/swift_storage_server_spec.rb

@@ -92,6 +92,16 @@ describe 'swift::storage::server' do
             it { is_expected.to contain_concat_fragment("swift-#{t}-#{title}").with_content(/\[#{t}-replicator\]\nconcurrency\s*=\s*42\s*$/m) }
           end
 
+          if t != 'object'
+            describe "when replicator_concurrency and replicator_interval are set" do
+              let :params do req_params.merge(
+                { :replicator_concurrency => 42,
+                  :replicator_interval => 42})
+              end
+              it { is_expected.to contain_concat_fragment("swift-#{t}-#{title}").with_content(/\[#{t}-replicator\]\nconcurrency\s*=\s*42\ninterval\s*=\s*42\s*$/m) }
+            end
+          end
+
           if t != 'account'
             describe "when updater_concurrency is set" do
               let :params do req_params.merge({:updater_concurrency => 73}) end

templates/account-server.conf.erb

@@ -37,6 +37,7 @@ set log_address = <%= @log_address %>
 
 [account-replicator]
 concurrency = <%= @replicator_concurrency %>
+interval = <%= @replicator_interval %>
 
 [account-auditor]
 

templates/container-server.conf.erb

@@ -39,6 +39,7 @@ set log_address = <%= @log_address %>
 
 [container-replicator]
 concurrency = <%= @replicator_concurrency %>
+interval = <%= @replicator_interval %>
 
 [container-updater]
 concurrency = <%= @updater_concurrency %>