Extend postgresql_conf to support multiple config files

examples/multiple_confs.pp

@@ -0,0 +1,20 @@
+postgresql_conf { '/tmp/first-postgresql.conf:other':
+  value  => 'bla',
+}
+
+postgresql_conf { '/tmp/first-postgresql.conf:port':
+  value  => 5432,
+}
+
+postgresql_conf { '/tmp/second-postgresql.conf:other':
+  value  => 'bla',
+}
+
+postgresql_conf { '/tmp/second-postgresql.conf:port':
+  value  => 5433,
+}
+
+# TODO: make target optional
+#postgresql_conf { 'port':
+#  value  => 5434,
+#}

lib/puppet/provider/postgresql_conf/parsed.rb

@@ -14,7 +14,7 @@
   text_line :blank, match: %r{^\s*$}
 
   record_line :parsed,
-              fields: ['name', 'value', 'comment'],
+              fields: ['key', 'value', 'comment'],
               optional: ['comment'],
               match: %r{^\s*([\w.]+)\s*=?\s*(.*?)(?:\s*#\s*(.*))?\s*$},
               to_line: proc { |h|
@@ -28,9 +28,9 @@
                         h[:value]
                       end
                 dontneedquote = val.match(%r{^(\d+.?\d+|\w+)$})
-                dontneedequal = h[:name].match(%r{^(include|include_if_exists)$}i)
+                dontneedequal = h[:key].match(%r{^(include|include_if_exists)$}i)
 
-                str =  h[:name].downcase # normalize case
+                str =  h[:key].downcase # normalize case
                 str += dontneedequal ? ' ' : ' = '
                 str += "'" unless dontneedquote && !dontneedequal
                 str += val
@@ -39,7 +39,7 @@
                 str
               },
               post_parse: proc { |h|
-                h[:name].downcase! # normalize case
+                h[:key].downcase! # normalize case
                 h[:value].gsub!(%r{(^'|'$)}, '') # strip out quotes
               }
 end

lib/puppet/type/postgresql_conf.rb

@@ -5,18 +5,26 @@
 
   ensurable
 
-  newparam(:name) do
-    desc 'The postgresql parameter name to manage.'
-    isnamevar
+  def self.title_patterns
+  [
+    [ /^(.+\.conf):([\w.]+)$/m, [ [:target], [:key] ] ],
+    # TODO: make target optional
+    #[ /^([\w.]+)$/m, [ [:key] ] ],
+  ]
+  end
 
+
+  newparam(:key, namevar: true) do
+    desc 'The postgresql parameter name to manage.'
+    isrequired
     newvalues(%r{^[\w.]+$})
   end
 
   newproperty(:value) do
     desc 'The value to set for this parameter.'
   end
 
-  newproperty(:target) do
+  newparam(:target, namevar: true) do
     desc 'The path to postgresql.conf'
     defaultto do
       if @resource.class.defaultprovider.ancestors.include?(Puppet::Provider::ParsedFile)