vaguerent/lib/vagrant/util/retryable.rb

35 lines
983 B
Ruby

# Copyright (c) HashiCorp, Inc.
# SPDX-License-Identifier: BUSL-1.1
require "log4r"
module Vagrant
module Util
module Retryable
# Retries a given block a specified number of times in the
# event the specified exception is raised. If the retries
# run out, the final exception is raised.
#
# This code is adapted slightly from the following blog post:
# http://blog.codefront.net/2008/01/14/retrying-code-blocks-in-ruby-on-exceptions-whatever/
def retryable(opts=nil)
logger = nil
opts = { tries: 1, on: Exception }.merge(opts || {})
begin
return yield
rescue *opts[:on] => e
if (opts[:tries] -= 1) > 0
logger = Log4r::Logger.new("vagrant::util::retryable")
logger.info("Retryable exception raised: #{e.inspect}")
sleep opts[:sleep].to_f if opts[:sleep]
retry
end
raise
end
end
end
end
end