Make Azure Cloud configurable for director blobstore

jobs/director/spec

@@ -423,6 +423,9 @@ properties:
     description: container_name of azure storage account
   blobstore.account_key:
     description: account_key of azure storage account
+  blobstore.azure_cloud_name:
+    description: Name of the Azure Cloud
+    default: AzureCloud
   blobstore.swift_auth_account:
     description: swift_auth_account of swift storage account
   blobstore.swift_temp_url_key:

jobs/director/templates/director.yml.erb

@@ -256,6 +256,7 @@ elsif p('blobstore.provider') == 'gcs'
   end
 elsif p('blobstore.provider') == 'azure-storage'
   blobstore_options = {
+    'azure_cloud_name' => p('blobstore.azure_cloud_name'),
     'account_name' => p('blobstore.account_name'),
     'container_name' => p('blobstore.container_name'),
     'account_key' => p('blobstore.account_key'),

src/bosh-director/lib/bosh/blobstore_client/azurestoragecli_blobstore_client.rb

@@ -13,6 +13,8 @@ class AzurestoragecliBlobstoreClient < BaseClient
     #   key that is applied before the object is sent to azure storage account
     # @option options [Symbol, optional] account_key
     # @option options [Symbol, optional] container_name
+    # @option options [Symbol, optional] azure_cloud_name
+    #   Azure Cloud Name to use for azure storage account
     # @option options [Symbol] azure_storage_cli_path
     #   path to azure-storage-cli binary
     # @option options [Symbol, optional] azure_storage_cli_config_path
@@ -29,7 +31,8 @@ def initialize(options)
       @azure_storage_cli_options = {
         "account_name": @options[:account_name],
         "container_name": @options[:container_name],
-        "account_key": @options[:account_key]
+        "account_key": @options[:account_key],
+        "environment": @options[:azure_cloud_name]
       }
 
       @azure_storage_cli_options.reject! { |_k, v| v.nil? }

src/bosh-director/spec/unit/blobstore_client/azurestoragecli_blobstore_client_spec.rb

@@ -16,6 +16,7 @@ module Bosh::Blobstore
         container_name: 'test',
         account_name: 'NAME',
         account_key: 'SECRET',
+        azure_cloud_name: 'foo-cloud',
         azure_storage_cli_path: '/var/vcap/packages/azure-storage-cli/bin/azure-storage-cli',
       }
     end
@@ -37,7 +38,8 @@ module Bosh::Blobstore
         {
           'container_name' => 'test',
           'account_name' => 'NAME',
-          'account_key' => 'SECRET'
+          'account_key' => 'SECRET',
+          'environment' => 'foo-cloud',
         }
       end
       let(:stored_config_file) { File.new(expected_config_file).readlines }