syntax = "proto3";

package hcsshim.controller.migration.save.v1;

option go_package = "github.com/Microsoft/hcsshim/internal/controller/migration/save;save";

import "google/protobuf/any.proto";

// Payload is the top-level migration envelope exchanged between
// source and destination shims. The VM and pod payloads are carried as
// opaque [Any]s so each owning controller is independently versioned.
message Payload {
  // schema_version is bumped whenever this envelope's semantics change.
  uint32 schema_version = 1;

  // vm is the VM controller's [Payload] envelope.
  google.protobuf.Any vm = 2;

  // pods holds one [Payload] envelope per pod controller in the sandbox.
  repeated google.protobuf.Any pods = 3;
}