Allow usage of grant and role when not managing postgresql::server

Some installations use other ways to install postgresql.
But people still want to make use of grant and role defined type

Author: Martin Alfke

manifests/server/grant.pp

@@ -11,6 +11,8 @@
 # @param onlyif_exists Create grant only if doesn't exist
 # @param connect_settings Specifies a hash of environment variables used when connecting to a remote server.
 # @param ensure Specifies whether to grant or revoke the privilege. Default is to grant the privilege. Valid values: 'present', 'absent'.
+# @param group Sets the OS group to run psql
+# @param psql_path Sets the path to psql command
 define postgresql::server::grant (
   String $role,
   String $db,
@@ -44,6 +46,8 @@
   Enum['present',
         'absent'
   ] $ensure                        = 'present',
+  String $group                    = $postgresql::server::group,
+  String $psql_path                = $postgresql::server::psql_path,
 ) {
 
   case $ensure {
@@ -60,8 +64,6 @@
     }
   }
 
-  $group     = $postgresql::server::group
-  $psql_path = $postgresql::server::psql_path
 
   if ! $object_name {
     $_object_name = $db

manifests/server/role.pp

@@ -14,6 +14,10 @@
 # @param username Defines the username of the role to create.
 # @param connect_settings Specifies a hash of environment variables used when connecting to a remote server.
 # @param ensure Specify whether to create or drop the role. Specifying 'present' creates the role. Specifying 'absent' drops the role.
+# @param psql_user Sets the OS user to run psql
+# @param psql_group Sets the OS group to run psql
+# @param psql_path Sets path to psql command
+# @param module_workdir Specifies working directory under which the psql command should be executed. May need to specify if '/tmp' is on volume mounted with noexec option.
 define postgresql::server::role(
   $update_password = true,
   $password_hash    = false,
@@ -28,12 +32,12 @@
   $connection_limit = '-1',
   $username         = $title,
   $connect_settings = $postgresql::server::default_connect_settings,
+  $psql_user        = $postgresql::server::user,
+  $psql_group       = $postgresql::server::group,
+  $psql_path        = $postgresql::server::psql_path,
+  $module_workdir   = $postgresql::server::module_workdir,
   Enum['present', 'absent'] $ensure = 'present',
 ) {
-  $psql_user      = $postgresql::server::user
-  $psql_group     = $postgresql::server::group
-  $psql_path      = $postgresql::server::psql_path
-  $module_workdir = $postgresql::server::module_workdir
 
   #
   # Port, order of precedence: $port parameter, $connect_settings[PGPORT], $postgresql::server::port

spec/unit/defines/server/grant_spec.rb

@@ -292,6 +292,28 @@ class {'postgresql::server':}
     end
   end
 
+  context 'standalone not managing server' do
+    let :params do
+      {
+        db: 'test',
+        role: 'test',
+        privilege: 'execute',
+        object_name: ['myschema', 'test'],
+        object_arguments: ['text', 'boolean'],
+        object_type: 'function',
+        group: 'postgresql',
+        psql_path: '/usr/bin',
+        psql_user: 'postgres',
+        psql_db: 'db',
+        port: 1542,
+        connect_settings: {},
+      }
+    end
+
+    it { is_expected.to compile.with_all_deps }
+    it { is_expected.not_to contain_class('postgresql::server') }
+  end
+
   context 'invalid object_type' do
     let :params do
       {

spec/unit/defines/server/role_spec.rb

@@ -147,4 +147,29 @@
     it { is_expected.to compile }
     it { is_expected.to contain_postgresql__server__role('test') }
   end
+
+  context 'standalone not managing server' do
+    let :params do
+      {
+        password_hash: 'new-pa$s',
+        connect_settings: { 'PGHOST' => 'postgres-db-server',
+                            'DBVERSION'  => '9.1',
+                            'PGPORT'     => '1234',
+                            'PGUSER'     => 'login-user',
+                            'PGPASSWORD' => 'login-pass' },
+        psql_user: 'postgresql',
+        psql_group: 'postgresql',
+        psql_path: '/usr/bin',
+        module_workdir: '/tmp',
+        db: 'db',
+      }
+    end
+
+    let :pre_condition do
+      ''
+    end
+
+    it { is_expected.to compile.with_all_deps }
+    it { is_expected.not_to contain_class('postgresql::server') }
+  end
 end