optimizing NB contract including CustomLinuxOSConfig and others

pkg/proto/nbcontract/v1/config.proto

@@ -83,25 +83,27 @@ message Configuration {
   // ensure_no_dupe_promiscuous_bridge specifies whether to ensure no duplicate promiscuous bridge
   bool ensure_no_dupe_promiscuous_bridge = 45; 
 
-  // custom_search_domain specifies the custom search domain configuration
+  // custom_search_domain specifies the custom search domain configurations
   CustomSearchDomain custom_search_domain = 46;
-  optional CustomLinuxOSConfig custom_linux_os_config = 47;
-
-  //we do not need these in the final contract, these are consts
-  string cse_helper_filepath = 49;
-  string cse_distro_helper_filepath = 50;
-  string cse_install_filepath = 51;
-  string cse_distro_install_filepath = 52;
-  string cse_config_filepath = 53;
 
-  string dhcpv6_service_filepath = 54;
-  string dhcpv6_config_filepath = 55;
+  // custom_linux_os_config specifies the custom Linux OS configurations including SwapFile, SysCtl configs, etc.
+  CustomLinuxOSConfig custom_linux_os_config = 47;
 
+  // azure_private_registry_server specifies the Azure private registry server
   string azure_private_registry_server = 56;
+
+  // private_egress_proxy_address specifies the private egress proxy address
   string private_egress_proxy_address = 57;
-  FeatureState artifact_streaming_enabled = 58;
-  bool is_kata = 59; // we can calculate this on the VHD, will remove from final contract
-  bool needs_cgroupv2 = 60; // we can calculate this on the VHD, will remove from final contract
+
+  // enable_artifact_streaming specifies whether artifact streaming is enabled or disabled on the VM node
+  bool enable_artifact_streaming = 58;
+
+  // is_kata specifies whether the node is a Kata node
+  bool is_kata = 59; 
+
+  // needs_cgroupv2 specifies whether the node needs cgroupv2
+  // when we actually work on the go binary, we should be able to query from the system. By then we can remove this.
+  bool needs_cgroupv2 = 60;
 
   // Here begins the final contract
   optional HTTPProxyConfig http_proxy_config = 61;