Update litmus tests

provision.yaml

@@ -1,4 +1,10 @@
 ---
 default:
   provisioner: docker
-  images: ['litmusimage/debian:9']
+  images: ['litmusimage/debian:9', 'litmusimage/centos:8']
+travis_deb:
+  provisioner: docker
+  images: ['litmusimage/debian:8', 'litmusimage/debian:9','litmusimage/ubuntu:18.04', 'litmusimage/ubuntu:20.04']
+travis_el:
+  provisioner: docker
+  images: ['litmusimage/centos:7', 'litmusimage/centos:8']

spec/acceptance/master_spec.rb

@@ -4,6 +4,16 @@
   let(:pp) do
     <<-MANIFEST
     if $facts['os']['family'] == 'RedHat' {
+      if $facts['os']['release']['major'] == '8' {
+        yumrepo { 'PowerTools':
+          enabled => '1',
+          before  => Class['munin::master'],
+        }
+        yumrepo { 'AppStream':
+          enabled => '1',
+          before  => Class['munin::master'],
+        }
+      }
       package { 'epel-release':
         ensure => present,
         before => Class['munin::master'],
@@ -26,4 +36,9 @@
   describe package('munin') do
     it { is_expected.to be_installed }
   end
+
+  describe file ('/etc/munin/munin-conf.d/node.localhost.conf') do
+    it { should exist }
+    its(:content) { should match %r{munin://localhost} }
+  end
 end

spec/acceptance/node_spec.rb

@@ -4,6 +4,16 @@
   let(:pp) do
     <<-MANIFEST
     if $facts['os']['family'] == 'RedHat' {
+      if $facts['os']['release']['major'] == '8' {
+        yumrepo { 'PowerTools':
+          enabled => '1',
+          before  => Class['munin::node'],
+        }
+        yumrepo { 'AppStream':
+          enabled => '1',
+          before  => Class['munin::node'],
+        }
+      }
       package { 'epel-release':
         ensure => present,
         before => Class['munin::node'],