syntax = "proto3";

package talos.resource.definitions.extensions;

option go_package = "github.com/siderolabs/talos/pkg/machinery/api/resource/definitions/extensions";
option java_package = "dev.talos.api.resource.definitions.extensions";

// Compatibility describes extension compatibility.
message Compatibility {
  Constraint talos = 1;
}

// Constraint describes compatibility constraint.
message Constraint {
  string version = 1;
}

// Layer defines overlay mount layer.
message Layer {
  string image = 1;
  Metadata metadata = 2;
}

// Metadata describes base extension metadata.
message Metadata {
  string name = 1;
  string version = 2;
  string author = 3;
  string description = 4;
  Compatibility compatibility = 5;
  string extra_info = 6;
}