Add available sizes API endpoint

CHANGELOG.md

@@ -6,6 +6,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 
 ## [Unreleased]
 ### Added
+- /compute_resources/:id/:region_id/available_sizes endpoint to list all sizes in an Azure region
 ### Fixed
 - Apply .freeze to version constant
 - Changelog hyperlink for to compare v1.1.1 to v1.2.0

app/controllers/foreman_azure_rm/concerns/compute_resources_controller_extensions.rb

@@ -10,9 +10,15 @@ def available_resource_groups
         render :available_resource_groups, :layout => 'api/v2/layouts/index_layout'
       end
 
+      def available_sizes
+        compute_resource = ComputeResource.find_by_id(params[:id])
+        @available_sizes = compute_resource.vm_sizes(params[:region_id])
+        render :available_sizes, :layout => 'api/v2/layouts/index_layout'
+      end
+
       def action_permission
         case params[:action]
-          when 'available_resource_groups'
+          when 'available_resource_groups', 'available_sizes'
             :view
           else
             super

app/controllers/foreman_azure_rm/concerns/hosts_controller_extensions.rb

@@ -5,7 +5,7 @@ module HostsControllerExtensions
       def sizes
         if (azure_rm_resource = Image.unscoped.find_by_uuid(params[:image_id])).present?
           resource = azure_rm_resource.compute_resource
-          render :json => resource.vm_sizes(params[:location_string])
+          render :json => resource.vm_sizes(params[:location_string]).map { |size| size.name }
         else
           no_sizes = _('The location you selected has no sizes associated with it')
           render :json => "[\"#{no_sizes}\"]"
@@ -16,7 +16,7 @@ def subnets
         azure_rm_image = Image.unscoped.find_by_uuid(params[:image_id])
         if azure_rm_image.present?
           azure_rm_resource = azure_rm_image.compute_resource
-          subnets = azure_rm_resource.subnets(params[:location])
+          subnets           = azure_rm_resource.subnets(params[:location])
           if subnets.present?
             render :json => azure_rm_resource.subnets(params[:location])
           else

app/models/concerns/fog_extensions/azurerm/compute.rb

@@ -32,11 +32,7 @@ def initialize(options)
       end
 
       def list_available_sizes(location)
-        sizes = []
-        @compute_mgmt_client.virtual_machine_sizes.list(location).value().each do |vmsize|
-          sizes << vmsize.name
-        end
-        sizes
+        @compute_mgmt_client.virtual_machine_sizes.list(location).value()
       end
 
       def list_all_vms

app/views/api/v2/compute_resources/available_sizes.rabl

@@ -0,0 +1,3 @@
+collection @available_sizes
+
+attribute :name, :number_of_cores, :os_disk_size_in_mb, :resource_disk_size_in_mb, :memory_in_mb, :max_data_disk_count

config/routes.rb

@@ -9,6 +9,7 @@
     scope "(:apiv)", :module => :v2, :defaults => { :apiv => 'v2' }, :apiv => /v1|v2/, :constraints => ApiConstraints.new(:version => 2, :default => true) do
       resources :compute_resources, :except => [:new, :edit] do
         get :available_resource_groups, :on => :member
+        get '(:region_id)/available_sizes', :to => 'compute_resources#available_sizes', :on => :member
       end
     end
   end