URI.escape is obsolete in Ruby 2.7

Make sure to not escape '/' like the original

src/bosh_azure_cpi/lib/cloud/azure/restapi/azure_client.rb

@@ -113,13 +113,13 @@ def initialize(azure_config, logger)
 
     # Common
     def rest_api_url(resource_provider, resource_type, resource_group_name: nil, name: nil, others: nil)
-      url = "/subscriptions/#{URI.escape(@azure_config.subscription_id)}"
+      url = "/subscriptions/#{uri_escape(@azure_config.subscription_id)}"
       resource_group_name = @azure_config.resource_group_name if resource_group_name.nil?
-      url += "/resourceGroups/#{URI.escape(resource_group_name)}"
+      url += "/resourceGroups/#{uri_escape(resource_group_name)}"
       url += "/providers/#{resource_provider}"
       url += "/#{resource_type}"
-      url += "/#{URI.escape(name)}" unless name.nil?
-      url += "/#{URI.escape(others)}" unless others.nil?
+      url += "/#{uri_escape(name)}" unless name.nil?
+      url += "/#{uri_escape(others)}" unless others.nil?
       url
     end
 
@@ -181,8 +181,8 @@ def get_resources_by_url(url, params = {})
     # @See https://docs.microsoft.com/en-us/rest/api/resources/resourcegroups#ResourceGroups_CreateOrUpdate
     #
     def create_resource_group(resource_group_name, location)
-      url =  "/subscriptions/#{URI.escape(@azure_config.subscription_id)}"
-      url += "/resourceGroups/#{URI.escape(resource_group_name)}"
+      url =  "/subscriptions/#{uri_escape(@azure_config.subscription_id)}"
+      url += "/resourceGroups/#{uri_escape(resource_group_name)}"
 
       resource_group = {
         'name' => resource_group_name,
@@ -202,8 +202,8 @@ def create_resource_group(resource_group_name, location)
     def get_resource_group(resource_group_name)
       resource_group = nil
 
-      url =  "/subscriptions/#{URI.escape(@azure_config.subscription_id)}"
-      url += "/resourceGroups/#{URI.escape(resource_group_name)}"
+      url =  "/subscriptions/#{uri_escape(@azure_config.subscription_id)}"
+      url += "/resourceGroups/#{uri_escape(resource_group_name)}"
       result = get_resource_by_id(url)
 
       unless result.nil?
@@ -453,7 +453,7 @@ def create_virtual_machine(resource_group_name, vm_params, network_interfaces, a
     #
     def list_available_virtual_machine_sizes_by_location(location)
       vm_sizes = []
-      url =  "/subscriptions/#{URI.escape(@azure_config.subscription_id)}"
+      url =  "/subscriptions/#{uri_escape(@azure_config.subscription_id)}"
       url += "/providers/#{REST_API_PROVIDER_COMPUTE}"
       url += "/locations/#{location}"
       url += "/#{REST_API_VM_SIZES}"
@@ -1217,7 +1217,7 @@ def delete_managed_snapshot(resource_group_name, name)
     #
     def list_platform_image_versions(location, publisher, offer, sku)
       images = []
-      url =  "/subscriptions/#{URI.escape(@azure_config.subscription_id)}"
+      url =  "/subscriptions/#{uri_escape(@azure_config.subscription_id)}"
       url += "/providers/#{REST_API_PROVIDER_COMPUTE}"
       url += "/locations/#{location}"
       url += "/publishers/#{publisher}"
@@ -1831,7 +1831,7 @@ def create_storage_account(name, location, sku, kind, tags)
     #      https://github.com/Azure/azure-rest-api-specs/blob/master/specification/storage/resource-manager/Microsoft.Storage/stable/2016-01-01/storage.json
     #
     def check_storage_account_name_availability(name)
-      url =  "/subscriptions/#{URI.escape(@azure_config.subscription_id)}"
+      url =  "/subscriptions/#{uri_escape(@azure_config.subscription_id)}"
       url += "/providers/#{REST_API_PROVIDER_STORAGE}"
       url += '/checkNameAvailability'
       storage_account = {

src/bosh_azure_cpi/lib/cloud/azure/utils/helpers.rb

@@ -634,5 +634,9 @@ def validate_idle_timeout(idle_timeout_in_minutes)
       cloud_error('Minimum idle_timeout_in_minutes is 4 minutes') if idle_timeout_in_minutes < 4
       cloud_error('Maximum idle_timeout_in_minutes is 30 minutes') if idle_timeout_in_minutes > 30
     end
+
+    def uri_escape(raw_uri)
+      CGI.escape(raw_uri).sub("%2F", "/")
+    end
   end
 end

src/bosh_azure_cpi/spec/unit/bosh_release/jobs/cpi/templates/cpi.json.erb_spec.rb

@@ -468,7 +468,7 @@
 
       it 'encodes the password with special characters in the registry URL' do
         registry_uri = URI(subject['cloud']['properties']['registry']['endpoint'])
-        expect(URI.decode(registry_uri.password)).to eq(special_chars_password)
+        expect(URI.decode_www_form_component(registry_uri.password)).to eq(special_chars_password)
       end
     end