First draft of new postgresql_conf provider

lib/puppet/provider/postgresql_conf/ruby.rb

@@ -0,0 +1,49 @@
+Puppet::Type.type(:postgresql_conf).provide(:ruby) do
+  desc 'Set key/values in a postgresql config file.'
+
+  confine exists: target
+
+  # file parsing in a seperate function
+  def parse_config(target)
+    file = File.open(target)
+    active_settings = []
+    active_values_regex = %r{^\s*(?<key>[\w.]+)\s*=?\s*(?<value>.*?)(?:\s*#\s*(?<comment>.*))?\s*$}
+    file = File.open('/etc/postgresql/14/main/postgresql.conf')
+
+    File.foreach(file).with_index do |line, line_number|
+      if matches = line.match(active_values_regex)
+        attributes_hash = { line_number: line_number, key: matches[:key], ensure: 'present', value: matches[:value], comment: matches[:comment] }
+        active_settings.push(attributes_hash)
+      end
+    end
+    active_settings
+  end
+
+  #write config file
+  def write_config(target, lines)
+    File.open(target, 'w') { |file| file.write(lines.join) }
+  end
+
+  # check, if resource exists.
+    def exists?
+      @result = parse_config(target).each { |setting| setting[:key] == resource[:key] }
+    end
+
+    # remove resource
+    def destroy
+
+    end
+
+    # create resource
+    def create
+    end
+
+    # getter - get value
+    def value
+    end
+
+    # setter - set value
+    def value=(_value)
+    end
+  end
+end

lib/puppet/type/postgresql_conf.rb

@@ -20,6 +20,6 @@
 
   newproperty(:target) do
     desc 'The path to the postgresql config file'
-    newvalues(%r{^\/[a-z0-9]+[a-z0-9(\/)(\-)]*[\w]+.conf$})
+    newvalues(%r{^/[a-z0-9]+[a-z0-9(/)-]*\w+.conf$})
   end
 end