First draft of new postgresql_conf provider

Author: SimonHoenscheid

lib/puppet/provider/postgresql_conf/parsed.rb

@@ -0,0 +1,48 @@
+# frozen_string_literal: true
+
+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)
+    active_settings = []
+    active_values_regex = %r{^\s*(?<key>[\w.]+)\s*=?\s*(?<value>.*?)(?:\s*#\s*(?<comment>.*))?\s*$}
+    file = File.open(target)
+
+    File.foreach(file).with_index do |line, line_number|
+      matches = line.match(active_values_regex)
+      if matches
+        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.write(target, lines.join)
+  end
+
+  # check, if resource exists.
+  def exists?
+    @result = parse_config(target).each do |setting|
+      setting[:key]
+      resource[:key]
+    end
+  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

lib/puppet/provider/postgresql_conf/ruby.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