Add support to override http/https port

Adds support to override the http and/or https
ports that is passed down to the horizon::wsgi::apache
class. No default values has been changed.

Change-Id: I57fd5f3a433c6e123aa0f531630941fabf6ea721
Closes-Bug: 1210719

manifests/init.pp

@@ -174,6 +174,12 @@
 #  [*listen_ssl*]
 #    (optional) Enable SSL support in Apache. (Defaults to false)
 #
+#  [*http_port*]
+#    (optional) Port to use for the HTTP virtual host. (Defaults to 80)
+#
+#  [*https_port*]
+#    (optional) Port to use for the HTTPS virtual host. (Defaults to 443)
+#
 #  [*ssl_no_verify*]
 #    (optionsl) Disable SSL hostname verifying. Set it if you don't have
 #    properly configured DNS which will resolve hostnames for SSL endpoints
@@ -471,6 +477,8 @@ class horizon(
   $server_aliases                      = $::fqdn,
   $allowed_hosts                       = $::fqdn,
   $listen_ssl                          = false,
+  $http_port                           = 80,
+  $https_port                          = 443,
   $ssl_no_verify                       = false,
   $ssl_redirect                        = true,
   $horizon_cert                        = undef,
@@ -659,6 +667,8 @@ settings_local.py and parameter server_aliases for setting ServerAlias directive
       servername     => $servername,
       server_aliases => $final_server_aliases,
       listen_ssl     => $listen_ssl,
+      http_port      => $http_port,
+      https_port     => $https_port,
       ssl_redirect   => $ssl_redirect,
       horizon_cert   => $horizon_cert,
       horizon_key    => $horizon_key,

releasenotes/notes/add-http-https-port-to-init-e4924a20fb8cdc40.yaml

@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    You can now override the http and https port to horizon by passing integers
+    to the http_port and https_ports parameters. Default values are still the same.

spec/classes/horizon_init_spec.rb

@@ -273,7 +273,6 @@ describe 'horizon' do
       end
     end
 
-
     context 'with ssl enabled' do
       before do
         params.merge!({
@@ -296,6 +295,22 @@ describe 'horizon' do
       end
     end
 
+    context 'with overriden http and https ports' do
+      before do
+        params.merge!({
+          :http_port  => 1028,
+          :https_port => 1029,
+        })
+      end
+
+      it 'configures apache' do
+        is_expected.to contain_class('horizon::wsgi::apache').with({
+          :http_port  => 1028,
+          :https_port => 1029,
+        })
+      end
+    end
+
     context 'with default root_path' do
       it 'configures apache' do
         is_expected.to contain_class('horizon::wsgi::apache').with({