File: rpc.proto

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syntax = "proto3";

// If you make any changes make sure you run: make regenerate-proto

package gitlab.agent.reverse_tunnel.rpc;

option go_package = "gitlab.com/gitlab-org/cluster-integration/gitlab-agent/v16/internal/module/reverse_tunnel/rpc";

import "internal/tool/grpctool/automata/automata.proto";
import "internal/tool/prototool/prototool.proto";
import "internal/module/reverse_tunnel/info/info.proto";
//import "github.com/envoyproxy/protoc-gen-validate/blob/master/validate/validate.proto";
import "validate/validate.proto";
// https://github.com/googleapis/googleapis/blob/master/google/rpc/status.proto
import "google/rpc/status.proto";

message Descriptor {
  info.AgentDescriptor agent_descriptor = 1 [(validate.rules).message.required = true];
}

// Header is a gRPC metadata.
message Header {
  map<string, prototool.Values> meta = 1;
}

// Message is a gRPC message data.
message Message {
  bytes data = 1;
}

// Trailer is a gRPC trailer metadata.
message Trailer {
  map<string, prototool.Values> meta = 1;
}

// Error represents a gRPC error that should be returned.
message Error {
  // Error status as returned by gRPC.
  // See https://cloud.google.com/apis/design/errors.
  google.rpc.Status status = 1 [(validate.rules).message.required = true];
}

message ConnectRequest {
  oneof msg {

    option (grpctool.automata.first_allowed_field) = 1;
    option (validate.required) = true;

    Descriptor descriptor = 1 [
      (grpctool.automata.next_allowed_field) = 2,
      (grpctool.automata.next_allowed_field) = 5,
      (validate.rules).message.required = true
    ];
    Header header = 2 [
      (grpctool.automata.next_allowed_field) = 3,
      (grpctool.automata.next_allowed_field) = 4,
      (validate.rules).message.required = true
    ];
    Message message = 3 [
      (grpctool.automata.next_allowed_field) = 3,
      (grpctool.automata.next_allowed_field) = 4,
      (validate.rules).message.required = true
    ];
    Trailer trailer = 4 [
      (grpctool.automata.next_allowed_field) = 5,
      (grpctool.automata.next_allowed_field) = -1,
      (validate.rules).message.required = true
    ];
    Error error = 5 [
      (grpctool.automata.next_allowed_field) = -1,
      (validate.rules).message.required = true
    ];
  }
}

message RequestInfo {
  string method_name = 1;
  map<string, prototool.Values> meta = 2;
}

message CloseSend {
}

message ConnectResponse {
  oneof msg {

    option (grpctool.automata.first_allowed_field) = 1;
    option (grpctool.automata.first_allowed_field) = -1; // EOF means there is nothing to do
    option (validate.required) = true;

    RequestInfo request_info = 1 [
      (grpctool.automata.next_allowed_field) = 2,
      (grpctool.automata.next_allowed_field) = 3,
      (grpctool.automata.next_allowed_field) = -1,
      (validate.rules).message.required = true
    ];
    Message message = 2 [
      (grpctool.automata.next_allowed_field) = 2,
      (grpctool.automata.next_allowed_field) = 3,
      (grpctool.automata.next_allowed_field) = -1,
      (validate.rules).message.required = true
    ];
    CloseSend close_send = 3 [
      (grpctool.automata.next_allowed_field) = -1,
      (validate.rules).message.required = true
    ];
  }
}

service ReverseTunnel {
  // Connect to server to establish a reverse tunnel.
  rpc Connect (stream ConnectRequest) returns (stream ConnectResponse) {
  }
}