syntax = "proto3";

package common.healthcheck.v1beta;

// Google API
import "google/api/field_behavior.proto";

// HealthCheckRequest represents a request to health check a service
message HealthCheckRequest {
  // Service name to check for its readiness status
  optional string service = 1 [(google.api.field_behavior) = OPTIONAL];
}

// HealthCheckResponse represents a response for a service heath status
message HealthCheckResponse {
  // ServingStatus enumerates the status of a queried service
  enum ServingStatus {
    // Serving status: UNSPECIFIED
    SERVING_STATUS_UNSPECIFIED = 0;
    // Serving status: SERVING
    SERVING_STATUS_SERVING = 1;
    // Serving status: NOT SERVING
    SERVING_STATUS_NOT_SERVING = 2;
  }

  // Status is the instance of the enum type ServingStatus
  ServingStatus status = 1;
}