vaguerent/plugins/commands/serve/util/exception_transformer.rb

52 lines
1.9 KiB
Ruby

require 'google/rpc/error_details_pb'
module VagrantPlugins
module CommandServe
module Util
# Adds exception logging to all public instance methods
module ExceptionTransformer
prepend Util::HasMapper
def self.included(klass)
# Get all the public instance methods. Need to search ancestors as well
# for modules like the Guest service which includes the CapabilityPlatform
# module
klass_public_instance_methods = klass.public_instance_methods
# Remove all generic instance methods from the list of ones to modify
logged_methods = klass_public_instance_methods - Object.public_instance_methods
logged_methods.each do |m_name|
klass.define_method(m_name) do |*args, **opts, &block|
begin
super(*args, **opts, &block)
rescue => err
if err.is_a?(GRPC::BadStatus)
raise err
end
localized_msg_details_any = Google::Protobuf::Any.new
localized_msg_details_any.pack(
Google::Rpc::LocalizedMessage.new(
locale: "en-US", message: err.message
)
)
proto = Google::Rpc::Status.new(
code: GRPC::Core::StatusCodes::UNKNOWN,
message: "#{err.message}\n#{err.backtrace.join("\n")}",
details: [localized_msg_details_any]
)
encoded_proto = Google::Rpc::Status.encode(proto)
grpc_status_details_bin_trailer = 'grpc-status-details-bin'
grpc_error = GRPC::BadStatus.new(
GRPC::Core::StatusCodes::UNKNOWN,
err.message,
{grpc_status_details_bin_trailer => encoded_proto},
)
raise grpc_error
end
end
end
end
end
end
end
end