Added defined type to grant roles to roles

Author: gerapeldoorn

manifests/server/role_grant.pp

@@ -0,0 +1,30 @@
+# Define for granting roles to users.
+define postgresql::server::role_grant (
+  $role,
+  $user,
+  $admin_option = false
+) {
+
+  if $admin_option {
+    $grant_cmd = "GRANT \"${role}\" TO \"${user}\" WITH ADMIN OPTION"
+  } else {
+    $grant_cmd = "GRANT \"${role}\" TO \"${user}\""
+  }
+
+  postgresql_psql { $grant_cmd:
+    db         => $on_db,
+    psql_user  => $psql_user,
+    psql_group => $group,
+    psql_path  => $psql_path,
+    unless     => "SELECT 1 WHERE pg_has_role('${user}', '${role}', 'USAGE')",
+    require    => Class['postgresql::server']
+  }
+
+  if($role != undef and defined(Postgresql::Server::Role[$role])) {
+    Postgresql::Server::Role[$role]->Postgresql_psql[$grant_cmd]
+  }
+
+  if($db != undef and defined(Postgresql::Server::Role[$user])) {
+    Postgresql::Server::Role[$user]->Postgresql_psql[$grant_cmd]
+  }
+}