Fix: allow multiple users/databases in postgresql_access resources

PostgreSQL pg_hba.conf allows to specify multiple databases and users in
one entry. They are seperated by comma.

Author: Daniel Schreiber

CHANGELOG.md

@@ -4,6 +4,8 @@ This file is used to list changes made in the last 3 major versions of the postg
 
 ## Unreleased
 
+- Allow to configure multiple databases and users in one `pg_hba.conf` entry
+
 ## 11.5.1 - *2023-06-26*
 
 - Fix typo in documentation of `postgresql_extension` resource

libraries/access.rb

@@ -70,7 +70,7 @@ class PgHbaFile
 
           attr_reader :entries
 
-          SPLIT_REGEX = %r{^(((?<type>local)\s+(?<database>[\w\-_]+)\s+(?<user>[\w\d\-_.$]+))|((?!local)(?<type>\w+)\s+(?<database>[\w\-_]+)\s+(?<user>[\w\d\-_.$]+)\s+(?<address>[\w\-.:\/]+)))\s+(?<auth_method>[\w-]+)(?<auth_options>(?:\s+#{AUTH_OPTION_REGEX})*)(?:\s*)(?<comment>#\s*.*)?$}.freeze
+          SPLIT_REGEX = %r{^(((?<type>local)\s+(?<database>[\w\-_,]+)\s+(?<user>[\w\d\-_.$,]+))|((?!local)(?<type>\w+)\s+(?<database>[\w\-_,]+)\s+(?<user>[\w\d\-_.$,]+)\s+(?<address>[\w\-.:\/]+)))\s+(?<auth_method>[\w-]+)(?<auth_options>(?:\s+#{AUTH_OPTION_REGEX})*)(?:\s*)(?<comment>#\s*.*)?$}.freeze
           private_constant :SPLIT_REGEX
 
           def initialize

test/cookbooks/test/recipes/access.rb

@@ -128,3 +128,11 @@
                ldapbasedn: '"dc=example, dc=net"',
                ldapsearchattribute: 'uid'
 end
+
+postgresql_access 'access with multiple databases' do
+  type 'host'
+  database 'foo,bar'
+  user 'john,doe'
+  address '127.0.0.1/32'
+  auth_method 'md5'
+end