Merge pull request #1014 from gerases/modify-write-graphite-plugin

Add write_graphite options introduced in collectd 5.7.0

Author: smortex

README.md

@@ -2000,17 +2000,22 @@ backend should have unique title:
 
 ```puppet
 collectd::plugin::write_graphite::carbon {'secondary_graphite':
-  graphitehost      => 'graphite.example.org',
-  graphiteport      => 2004,
-  graphiteprefix    => '',
-  protocol          => 'udp',
-  escapecharacter   => '_',
-  alwaysappendds    => true,
-  storerates        => true,
-  separateinstances => false,
-  logsenderrors     => true
-}
-```
+  graphitehost        => 'graphite.example.org',
+  graphiteport        => 2004,
+  graphiteprefix      => '',
+  protocol            => 'udp',
+  escapecharacter     => '_',
+  alwaysappendds      => true,
+  storerates          => true,
+  separateinstances   => false,
+  logsenderrors       => true
+  preserveseparator   => false,
+  dropduplicatefields => false,
+}
+```
+
+The `preserveseparator` and `dropduplicatefields` fields are supported as of
+collectd version >= 5.7.
 
 #### Class: `collectd::plugin::write_http`
 

manifests/plugin/write_graphite/carbon.pp

@@ -14,6 +14,8 @@
   Boolean $logsenderrors     = true,
   Integer $reconnectinterval = 0,
   Boolean $reversehost       = false,
+  Boolean $preserveseparator   = false,
+  Boolean $dropduplicatefields = false,
 ) {
   include collectd
   include collectd::plugin::write_graphite

spec/defines/collectd_plugin_write_graphite_spec.rb

@@ -69,5 +69,34 @@
         it { is_expected.to contain_concat__fragment('collectd_plugin_write_graphite_conf_graphite_default_tcp_2003').with(content: %r{Port "2003"}) }
       end
     end
+
+    context 'starting with version 5.7 the preserveseparator and dropduplicatefields options should be supported' do
+      let(:title) { 'graphite_default' }
+
+      let :params do
+        {
+          preserveseparator: true,
+          dropduplicatefields: true,
+        }
+      end
+
+      context 'version 5.6' do
+        let :facts do
+          facts.merge(collectd_version: '5.6')
+        end
+
+        it { is_expected.to contain_concat__fragment('collectd_plugin_write_graphite_conf_graphite_default_tcp_2003').without(content: %r{PreserveSeparator}) }
+        it { is_expected.to contain_concat__fragment('collectd_plugin_write_graphite_conf_graphite_default_tcp_2003').without(content: %r{DropDuplicateFields}) }
+      end
+
+      context 'version 5.7' do
+        let :facts do
+          facts.merge(collectd_version: '5.7')
+        end
+
+        it { is_expected.to contain_concat__fragment('collectd_plugin_write_graphite_conf_graphite_default_tcp_2003').with(content: %r{PreserveSeparator true}) }
+        it { is_expected.to contain_concat__fragment('collectd_plugin_write_graphite_conf_graphite_default_tcp_2003').with(content: %r{DropDuplicateFields true}) }
+      end
+    end
   end
 end

templates/plugin/write_graphite/carbon.conf.erb

@@ -23,6 +23,10 @@
 <%- if scope.lookupvar('collectd::collectd_version_real') and (scope.function_versioncmp([scope.lookupvar('collectd::collectd_version_real'), '5.9']) >= 0) -%>
   ReverseHost <%= @reversehost %>
 <%- end -%>
+<%- if scope.lookupvar('collectd::collectd_version_real') and (scope.function_versioncmp([scope.lookupvar('collectd::collectd_version_real'), '5.7']) >= 0) -%>
+  PreserveSeparator <%= @preserveseparator %>
+  DropDuplicateFields <%= @dropduplicatefields %>
+<%- end -%>
 <%- if scope.lookupvar('collectd::collectd_version_real') and (scope.function_versioncmp([scope.lookupvar('collectd::collectd_version_real'), '5.3']) >= 0) -%>
 </Node>
 <%- else -%>