Stubbornly

Stubbornly retries a given block until the maximum number of attempts or a timeout has been reached.

The timeout is enforced right before an attempt, but if that blocks longer than the given timeout it will not be interrupted. Instead of using the dangerous Timeout module, use a library that fails fast and retry multiple times using Stubbornly.

Examples

Timeout

require 'stubbornly'
require 'http'

class Checker
  def initialize(url)
    @url = url
    @stubbornly = Stubbornly.new
  end

  def up?
    @stubbornly.retry(timeout: 3) do
      HTTP.get(@url)
    end
  end
end

begin
  Checker.new('http://localhost:8765').up?
rescue => e
  warn "Error: #{e.message}"
end

Maximum number of attempts

require 'stubbornly'
require 'http'

class Checker
  def initialize(url)
    @url = url
    @stubbornly = Stubbornly.new
  end

  def up?
    @stubbornly.retry(attempts: 3) do
      response = HTTP.get(@url)
      puts "The site at #{@url} is up 👍"
    end
  end
end

begin
  Checker.new('http://localhost:8765').up?
rescue => e
  warn "Error: #{e.message}"
end

Alternatives

retriable

License

The gem is available as open source under the terms of the MIT License.

stubbornly