Module: GrpcOpencensusInterceptor::Util

Defined in:
lib/grpc_opencensus_interceptor/util.rb

Constant Summary collapse

OPENCENSUS_TRACE_BIN_KEY = 
"grpc-trace-bin".freeze

Class Method Summary collapse

Class Method Details

.to_grpc_ex(e) ⇒ GRPC::BadStatus

Returns e.

Parameters:

  • e (Exception)

Returns:

  • (GRPC::BadStatus) —

    e



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# File 'lib/grpc_opencensus_interceptor/util.rb', line 46

def to_grpc_ex(e)
  case e
  when GRPC::BadStatus
    e
  else
    GRPC::Unknown.new(e.message)
  end
end

.to_http_status(exception) ⇒ Integer

cf. github.com/grpc/grpc/blob/master/doc/http-grpc-status-mapping.md cf. github.com/census-instrumentation/opencensus-specs/blob/master/trace/HTTP.md#mapping-from-http-status-codes-to-trace-status-codes

Parameters:

  • exception (GRPC::BadStatus)

Returns:

  • (Integer) 


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# File 'lib/grpc_opencensus_interceptor/util.rb', line 11

def to_http_status(exception)
  case exception
  when GRPC::Ok
    200
  when GRPC::InvalidArgument
    400
  when GRPC::DeadlineExceeded
    504
  when GRPC::NotFound
    404
  when GRPC::PermissionDenied
    403
  when GRPC::Unauthenticated
    401
  when GRPC::Aborted
    # For GRPC::Aborted, grpc-gateway uses 409. We do the same.
    # cf. https://github.com/grpc-ecosystem/grpc-gateway/blob/e8db07a3923d3f5c77dbcea96656afe43a2757a8/runtime/errors.go#L17-L58
    409
  when GRPC::ResourceExhausted
    429
  when GRPC::Unimplemented
    501
  when GRPC::Unavailable
    503
  when GRPC::Unknown
    # NOTE: This is not same with the correct mapping
    500
  else
    # NOTE: Here, we use 500 temporarily.
    500
  end
end