add CUSTOM_THEME_PATH variable for horizon

CUSTOM_THEME_PATH - set to 'static/themes/webroot'
 upstream change-id: I5fa9e232427f9e3bef4662b01421b5dbbcaefeed

Related-Bug: #1478937
Related-Bug: #1478567

Change-Id: I53a5623a6139443b1122f21f5b18ff016ba19e5c

deployment/puppet/horizon/manifests/init.pp

@@ -212,6 +212,10 @@
 #    (optional) Tuskar-UI - Deployment mode ('poc' or 'scale')
 #    Defaults to 'scale'
 #
+#  [*custom_theme_path*]
+#    (optional) The directory location for the theme (e.g., "static/themes/blue")
+#    Default to undefined
+#
 # === Examples
 #
 #  class { 'horizon':
@@ -265,6 +269,7 @@ class horizon(
   $tuskar_ui_ironic_discoverd_url      = 'http://127.0.0.1:5050',
   $tuskar_ui_undercloud_admin_password = undef,
   $tuskar_ui_deployment_mode           = 'scale',
+  $custom_theme_path                   = undef,
   # DEPRECATED PARAMETERS
   $can_set_mount_point                 = undef,
   $vhost_extra_params                  = undef,

deployment/puppet/horizon/spec/classes/horizon_init_spec.rb

@@ -101,7 +101,8 @@ describe 'horizon' do
           :neutron_options         => {'enable_lb' => true, 'enable_firewall' => true, 'enable_quotas' => false, 'enable_security_group' => false, 'enable_vpn' => true,
                                        'enable_distributed_router' => false, 'enable_ha_router' => false, 'profile_support' => 'cisco', },
           :file_upload_temp_dir    => '/var/spool/horizon',
-          :secure_cookies          => true
+          :secure_cookies          => true,
+          :custom_theme_path       => 'static/themes/green'
         })
       end
 
@@ -132,6 +133,7 @@ describe 'horizon' do
           'OPENSTACK_ENDPOINT_TYPE = "internalURL"',
           'SECONDARY_ENDPOINT_TYPE = "ANY-VALUE"',
           'API_RESULT_LIMIT = 4682',
+          "CUSTOM_THEME_PATH = 'static/themes/green'",
           "            'level': 'DEBUG',",
           "            'handlers': ['syslog'],",
           'COMPRESS_OFFLINE = False',

deployment/puppet/horizon/templates/local_settings.py.erb

@@ -284,6 +284,16 @@ EXTERNAL_MONITORING = <%= @horizon_app_links %>
 #     'reverse': False,
 # }
 
+# CUSTOM_THEME_PATH allows to set to the directory location for the
+# theme (e.g., "static/themes/blue"). The path can either be
+# relative to the openstack_dashboard directory or an absolute path
+# to an accessible location on the file system.
+# If not specified, the default CUSTOM_THEME_PATH is
+# static/themes/default.
+<% if @custom_theme_path %>
+CUSTOM_THEME_PATH = '<%= @custom_theme_path %>'
+<% end %>
+
 # The Horizon Policy Enforcement engine uses these values to load per service
 # policy rule files. The content of these files should match the files the
 # OpenStack services are using to determine role based access control in the

deployment/puppet/openstack/manifests/horizon.pp

@@ -43,6 +43,7 @@ class openstack::horizon (
   $cache_backend           = undef,
   $cache_options           = undef,
   $log_handler             = 'file',
+  $custom_theme_path       = undef,
 ) {
 
   if $debug { #syslog and nondebug case
@@ -87,6 +88,7 @@ class openstack::horizon (
     secure_cookies          => false,
     log_handler             => $log_handler,
     neutron_options         => $neutron_options,
+    custom_theme_path       => $custom_theme_path,
   }
 
   # Performance optimization for wsgi

deployment/puppet/osnailyfacter/modular/horizon/horizon.pp

@@ -44,6 +44,7 @@ class { 'openstack::horizon':
   nova_quota        => hiera('nova_quota'),
   servername        => hiera('public_vip'),
   neutron_options   => $neutron_options,
+  custom_theme_path => 'static/themes/webroot'
 }
 
 include ::tweaks::apache_wrappers