From 71b25d083e97caa32f0ab6c7adef4fb9344040c1 Mon Sep 17 00:00:00 2001
From: Christian Rohmann <christian.rohmann@inovex.de>
Date: Wed, 17 Mar 2021 11:34:27 +0100
Subject: [PATCH] Add designate::db::postgresql class.

This allows Designate to be used with PostgreSQL.

Backport note:
This backport includes modifications to accomodate for password_hash
function removed during Victoria cycle[1].

[1] https://review.opendev.org/728595

Change-Id: Ief63f88ba323e3f20300b8ff6a5148a78413ac3d
(cherry picked from commit fd43d18c0f83c3401c7908fa60f160e4ae7ab4a2)
(cherry picked from commit 47e3e4132fbdf046c0d1f8dcfe1dd2b08b73778f)
---
 manifests/db/postgresql.pp                    | 49 +++++++++++++++++++
 .../notes/postgresql-441cce8804597ce3.yaml    |  4 ++
 spec/classes/designate_db_postgresql_spec.rb  | 44 +++++++++++++++++
 3 files changed, 97 insertions(+)
 create mode 100644 manifests/db/postgresql.pp
 create mode 100644 releasenotes/notes/postgresql-441cce8804597ce3.yaml
 create mode 100644 spec/classes/designate_db_postgresql_spec.rb

diff --git a/manifests/db/postgresql.pp b/manifests/db/postgresql.pp
new file mode 100644
index 00000000..f57b5166
--- /dev/null
+++ b/manifests/db/postgresql.pp
@@ -0,0 +1,49 @@
+# == Class: designate::db::postgresql
+#
+# Class that configures postgresql for designate
+# Requires the Puppetlabs postgresql module.
+#
+# === Parameters
+#
+# [*password*]
+#   (Required) Password to connect to the database.
+#
+# [*dbname*]
+#   (Optional) Name of the database.
+#   Defaults to 'designate'.
+#
+# [*user*]
+#   (Optional) User to connect to the database.
+#   Defaults to 'designate'.
+#
+# [*encoding*]
+#   (Optional) The charset to use for the database.
+#   Default to undef.
+#
+# [*privileges*]
+#   (Optional) Privileges given to the database user.
+#   Default to 'ALL'
+#
+class designate::db::postgresql(
+  $password,
+  $dbname      = 'designate',
+  $user        = 'designate',
+  $encoding    = undef,
+  $privileges  = 'ALL',
+) {
+
+  include designate::deps
+
+  ::openstacklib::db::postgresql { 'designate':
+    password_hash => postgresql_password($user, $password),
+    dbname        => $dbname,
+    user          => $user,
+    encoding      => $encoding,
+    privileges    => $privileges,
+  }
+
+
+  Anchor['designate::db::begin']
+  ~> Class['designate::db::postgresql']
+  ~> Anchor['designate::db::end']
+}
diff --git a/releasenotes/notes/postgresql-441cce8804597ce3.yaml b/releasenotes/notes/postgresql-441cce8804597ce3.yaml
new file mode 100644
index 00000000..d61c61ec
--- /dev/null
+++ b/releasenotes/notes/postgresql-441cce8804597ce3.yaml
@@ -0,0 +1,4 @@
+---
+features:
+  - |
+    Add support for PostgreSQL database backend via designate::db::postgresql
diff --git a/spec/classes/designate_db_postgresql_spec.rb b/spec/classes/designate_db_postgresql_spec.rb
new file mode 100644
index 00000000..6c38420a
--- /dev/null
+++ b/spec/classes/designate_db_postgresql_spec.rb
@@ -0,0 +1,44 @@
+require 'spec_helper'
+
+describe 'designate::db::postgresql' do
+
+  shared_examples 'designate::db::postgresql' do
+    let :req_params do
+      { :password => 'pw' }
+    end
+
+    let :pre_condition do
+      'include postgresql::server'
+    end
+
+    context 'with only required parameters' do
+      let :params do
+        req_params
+      end
+
+      it { should contain_openstacklib__db__postgresql('designate').with(
+        :password_hash => 'md5919ed897e792e4768228d95591410cd1',
+        :dbname        => 'designate',
+        :user          => 'designate',
+        :encoding      => nil,
+        :privileges    => 'ALL',
+      )}
+    end
+  end
+
+  on_supported_os({
+    :supported_os   => OSDefaults.get_supported_os
+  }).each do |os,facts|
+    context "on #{os}" do
+      let (:facts) do
+        facts.merge(OSDefaults.get_facts({
+          :os_workers     => 8,
+          :concat_basedir => '/var/lib/puppet/concat'
+        }))
+      end
+
+      it_configures 'designate::db::postgresql'
+    end
+  end
+
+end