add service_status for Ubuntu 18.04 and later

Author: moritz-makandra

manifests/params.pp

@@ -184,6 +184,8 @@
       if $facts['os']['name'] == 'Debian' and versioncmp($facts['os']['release']['major'], '8') >= 0 {
         # Jessie uses systemd
         $service_status = pick($service_status, "/usr/sbin/service ${service_name}@*-main status")
+      } elsif $facts['os']['name'] == 'Ubuntu' and versioncmp($facts['os']['release']['major'], '18.04') >= 0 {
+        $service_status = pick($service_status, "/usr/sbin/service ${service_name}@*-main status")
       } elsif $facts['os']['name'] == 'Ubuntu' and versioncmp($facts['os']['release']['major'], '15.04') >= 0 {
         # Ubuntu releases since vivid use systemd
         $service_status = pick($service_status, "/usr/sbin/service ${service_name} status")

spec/unit/classes/server/service_spec.rb

@@ -0,0 +1,22 @@
+# frozen_string_literal: true
+
+require 'spec_helper'
+
+describe 'postgresql::server::service', type: :class do
+  let :pre_condition do
+    'include postgresql::server'
+  end
+
+  let :facts do
+    {
+      os: {
+        family: 'Debian',
+        name: 'Ubuntu',
+        release: { 'full' => '18.04', 'major' => '18.04' },
+      },
+    }
+  end
+
+  it { is_expected.to contain_class('postgresql::server::service') }
+  it { is_expected.to contain_service('postgresqld').with_name('postgresql').with_status('/usr/sbin/service postgresql@*-main status') }
+end