CID-472: delete nodes from chef-server on delete

devops-service/lib/executors/stack_executor.rb

@@ -58,14 +58,15 @@ module Devops
 
       def delete_stale_servers
         fetcher.stale_servers.each do |server|
-          server_executor = Devops::Executor::ServerExecutor.new(server, out)
-          server_executor.delete_server
+          proper_remove_server(server)
         end
       end
 
       def delete_stack
         stack.delete_stack_in_cloud!
-        mongo.stack_servers_delete(stack.name)
+        mongo.stack_servers(@stack.name).each do |server|
+          proper_remove_server(server)
+        end
         mongo.stack_delete(stack.id)
       end
 
@@ -77,6 +78,15 @@ module Devops
         Devops::Db.connector
       end
 
+      def proper_remove_server(server)
+        begin
+          e = Devops::Executor::ServerExecutor.new(server, out)
+          e.delete_server
+        rescue StandardError => e
+          puts_and_flush [e.message, e.backtrace].join("\n")
+        end
+      end
+
       def reload_stack
         @stack = mongo.stack(@stack.name)
       end

devops-service/spec/executors/stack_executor_spec.rb

@@ -123,9 +123,14 @@ class Devops::Executor::StackExecutor
 
     describe '#delete_stack', stubbed_connector: true do
       it 'deletes stack from cloud, then deletes stack servers, and then deletes stack itself' do
+        allow(stubbed_connector).to receive(:stack_servers) { [build(:server, id: 'i-persisted')] }
         expect(stack).to receive(:delete_stack_in_cloud!).ordered
-        expect(stubbed_connector).to receive(:stack_servers_delete).ordered
+        expect(stubbed_connector).to receive(:stack_servers).ordered
         expect(stubbed_connector).to receive(:stack_delete).ordered
+
+        executor = instance_double(Devops::Executor::ServerExecutor, delete_server: nil)
+        allow(Devops::Executor::ServerExecutor).to receive(:new) { executor }
+        expect(executor).to receive(:delete_server)
         executor_with_stack.delete_stack
       end
     end