Allow configuring 'CREATE_IMAGE_DEFAULTS' setting

Horizon now has the option of selecting various defaults for the
create image panel.  This patch allows configuring those options.

Change-Id: I01d9fc44d957394acc4243f3ee34e6e50eec0bdf

manifests/init.pp

@@ -285,6 +285,10 @@
 #   Valid values are 'legacy' and 'angular'
 #   Defaults to 'legacy'
 #
+# [*create_image_defaults*]
+#   (optional) A dictionary of default settings for create image modal.
+#   Defaults to undef - will not add entry to local settings.
+#
 #  [*password_retrieve*]
 #    (optional) Enables the use of 'Retrieve Password' in the Horizon Web UI.
 #    Defaults to false
@@ -456,6 +460,7 @@ class horizon(
   $default_theme                       = false,
   $password_autocomplete               = 'off',
   $images_panel                        = 'legacy',
+  $create_image_defaults               = undef,
   $password_retrieve                   = false,
   $disable_password_reveal             = false,
   $enforce_password_check              = false,

spec/classes/horizon_init_spec.rb

@@ -130,6 +130,7 @@ describe 'horizon' do
           :default_theme                  => 'default',
           :password_autocomplete          => 'on',
           :images_panel                   => 'angular',
+          :create_image_defaults          => {'image_visibility' => 'private'},
           :password_retrieve              => true,
           :enable_secure_proxy_ssl_header => true,
         })
@@ -178,6 +179,8 @@ describe 'horizon' do
           "    'supported_provider_types': ['flat', 'vxlan'],",
           "    'supported_vnic_types': ['*'],",
           'OPENSTACK_ENABLE_PASSWORD_RETRIEVE = True',
+          'CREATE_IMAGE_DEFAULTS = {',
+          "    'image_visibility': 'private',",
           'OPENSTACK_ENDPOINT_TYPE = "internalURL"',
           'SECONDARY_ENDPOINT_TYPE = "ANY-VALUE"',
           'API_RESULT_LIMIT = 4682',

templates/local_settings.py.erb

@@ -508,6 +508,18 @@ OPENSTACK_IMAGE_BACKEND = {
 # table.
 #IMAGE_RESERVED_CUSTOM_PROPERTIES = []
 
+# A dictionary of default settings for create image modal.
+#CREATE_IMAGE_DEFAULTS = {
+#    'image_visibility': "public",
+#}
+<% if @create_image_defaults %>
+CREATE_IMAGE_DEFAULTS = {
+<%- @create_image_defaults.sort.each do |opt_name,opt_val| -%>
+    '<%= opt_name %>': '<%= opt_val %>',
+<%- end -%>
+}
+<% end %>
+
 # OPENSTACK_ENDPOINT_TYPE specifies the endpoint type to use for the endpoints
 # in the Keystone service catalog. Use this setting when Horizon is running
 # external to the OpenStack environment. The default is 'publicURL'.
@@ -985,7 +997,8 @@ OVERVIEW_DAYS_RANGE = <%= @overview_days_range %>
 # See: https://wiki.openstack.org/wiki/Horizon/RESTAPI
 REST_API_REQUIRED_SETTINGS = ['OPENSTACK_HYPERVISOR_FEATURES',
                               'LAUNCH_INSTANCE_DEFAULTS',
-                              'OPENSTACK_IMAGE_FORMATS']
+                              'OPENSTACK_IMAGE_FORMATS',
+                              'CREATE_IMAGE_DEFAULTS']
 
 # Additional settings can be made available to the client side for
 # extensibility by specifying them in REST_API_ADDITIONAL_SETTINGS