allow repeating keys in match rules

extends the match template, yes, its not pretty
readable, to support array definitions for
defining multiple server or stores.

README.md

@@ -14,6 +14,7 @@
     * [Source](#source)
     * [Filter](#filter)
     * [Match](#match)
+    * [Match Store](#match-store)
   * [Plugin Installation](#plugin-installation)
   * [Requirements](#requirements)
 1. [Limitations - OS compatibility, etc.](#limitations)
@@ -97,9 +98,9 @@ include '::fluentd'
     'shared_key'     => 'my_shared_key',
     'self_hostname'  => 'instance.test.com',
     'ca_cert_path'   => '/path/to/ca.cert',
-    'servers'        => {
+    'server'        => [{
-      'host' => 'test.server.com'
+      'host' => 'test.server.com',
-    }
+    }]
   }
 }
 ```
@@ -113,9 +114,48 @@ include '::fluentd'
   shared_key my_shared_key
   self_hostname instance.test.com
   ca_cert_path /path/to/ca.cert
-  <servers>
+  <server>
     host test.server.com
-  </servers>
+  </server>
+</match>
+```
+### Match Store
+```puppet
+::fluentd::match { 'test':
+  priority => 30,
+  pattern  => '*.test',
+  config: {
+    'type'  => 'copy',
+    'store' => [
+      {
+        'type'           => 'elasticsearch',
+        'logstashformat' => true,
+        'hosts'          => '172.20.10.17:9200',
+        'flush_interval' => '30s',
+      },
+      {
+        'type' => 'file',
+        'path' => '/tmp/td-agent-debug.log',
+      }
+    ]
+  }
+}
+```
+**creates:**
+```
+/etc/td-agent/conf.d/30-match-test.conf
+<match *.test>
+  type copy
+  <store>
+    type elasticsearch
+    logstash_format true
+    hosts 172.20.10.17:9200
+    flush_interval 30s
+  </store>
+  <store>
+    type file
+    path /tmp/crs
+  </store>
 </match>
 ```
 

examples/match.pp

@@ -9,8 +9,27 @@
     'shared_key'     => 'my_shared_key',
     'self_hostname'  => 'instance.test.com',
     'ca_cert_path'   => '/path/to/ca.cert',
-    'servers'        => {
+    'server'         => [{
-      'host' => 'test.server.com'
+      'host' => 'test.server.com',
+    }]
   }
 }
+
+::fluentd::match { 'test':
+  priority => 30,
+  pattern  => '*.test',
+  config   => {
+    'type'  => 'copy',
+    'store' => [{
+      'type'           => 'elasticsearch',
+      'logstashformat' => true,
+      'hosts'          => '172.20.10.17:9200',
+      'flush_interval' => '30s',
+      },
+      {
+      'type' => 'file',
+      'path' => '/tmp/td-agent-debug.log',
+      }
+    ]
+  }
 }

manifests/match.pp

@@ -31,9 +31,9 @@
 #         'shared_key'     => 'my_shared_key',
 #         'self_hostname'  => 'instance.test.com',
 #         'ca_cert_path'   => '/path/to/ca.cert',
-#         'servers'        => {
+#         'server'         => [{
 #           'host' => 'test.server.com'
-#         }
+#         }]
 #       }
 #     }
 #

spec/defines/match_spec.rb

@@ -24,9 +24,11 @@ describe 'fluentd::match' do
               'shared_key'     => 'my_shared_key',
               'self_hostname'  => 'instance.test.com',
               'ca_cert_path'   => '/path/to/ca.cert',
-              'servers'        => {
+              'server'         => [
-                'host' => 'test.server.com'
+                  {
+                    'host' => 'test.server.com',
                   }
+              ]
           }
       }
     end
@@ -40,9 +42,51 @@ describe 'fluentd::match' do
         with_content(/shared_key my_shared_key/).
         with_content(/self_hostname instance.test.com/).
         with_content(/ca_cert_path \/path\/to\/ca.cert/).
-        with_content(/<servers>/).
+        with_content(/<server>/).
         with_content(/host test.server.com/).
-        with_content(/<\/servers>/).
+        with_content(/<\/server>/).
+        with_content(/<\/match>/)
+    end
+  end
+
+  context 'multiple store' do
+    let(:title) { 'test' }
+    let(:params) do
+      {
+          priority: '30',
+          pattern: '*.test',
+          config: {
+              'type'  => 'copy',
+              'store' => [
+                  {
+                    'type'           => 'elasticsearch',
+                    'logstashformat' => true,
+                    'hosts'          => '172.20.10.17:9200',
+                    'flush_interval' => '30s',
+                  },
+                  {
+                    'type' => 'file',
+                    'path' => '/tmp/td-agent-debug.log',
+                }
+              ]
+          }
+      }
+    end
+
+    it do
+      is_expected.to contain_file('/etc/td-agent/conf.d/30-match-test.conf').
+          with_content(/<match \*.test>/).
+          with_content(/type copy/).
+          with_content(/<store>/).
+          with_content(/type elasticsearch/).
+          with_content(/logstashformat true/).
+          with_content(/hosts 172.20.10.17:9200/).
+          with_content(/flush_interval 30s/).
+          with_content(/<\/store>/).
+          with_content(/<store>/).
+          with_content(/type file/).
+          with_content(/path \/tmp\/td-agent-debug.log/).
+          with_content(/<\/store>/).
           with_content(/<\/match>/)
     end
   end

templates/match.erb

@@ -6,6 +6,32 @@
             <%= key -%> <%= val %>
         <%- end -%>
         </<%= key %>>
+    <%- elsif val.is_a?( Array ) -%>
+        <%- val.each do |k, v| -%>
+            <<%= key -%>>
+            <%- if k.is_a?( Hash ) -%>
+                <%- k.each do |x, y| -%>
+                    <%- if y.is_a?( Array ) -%>
+                        <%- y.each do |a, b| -%>
+                            <<%= x -%>>
+                            <%- if a.is_a?( Hash ) -%>
+                                <%- a.each do |c, d| -%>
+                                    <%= c -%> <%= d %>
+                                <%- end -%>
+                            <%- else -%>
+                                <%= a -%> <%= b %>
+                            <%- end -%>
+                            </<%= x %>>
+                        <%- end -%>
+                    <%- else -%>
+                        <%= x -%> <%= y %>
+                    <%- end -%>
+                <%- end -%>
+            <%- else -%>
+                <%= k -%> <%= v %>
+            <%- end -%>
+            </<%= key %>>
+        <%- end -%>
     <%- else -%>
         <%= key -%> <%= val %>
     <%- end -%>