Module: Puppet::Util::RetryAction
- Defined in:
- lib/vendor/puppet/util/retryaction.rb
Defined Under Namespace
Classes: RetryException
Class Method Summary collapse
Class Method Details
.retry_action(parameters = { :retry_exceptions => nil, :retries => nil }) ⇒ Object
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# File 'lib/vendor/puppet/util/retryaction.rb', line 7 def self.retry_action( parameters = { :retry_exceptions => nil, :retries => nil } ) # Retry actions for a specified amount of time. This method will allow the final # retry to complete even if that extends beyond the timeout period. unless block_given? raise RetryException::NoBlockGiven end raise RetryException::NoRetriesGiven if parameters[:retries].nil? parameters[:retry_exceptions] ||= Hash.new start = Time.now failures = 0 begin yield rescue Exception => e # If we were giving exceptions to catch, # catch the excptions we care about and retry. # All others fail hard raise RetryException::RetriesExceeded if parameters[:retries] == 0 if (not parameters[:retry_exceptions].keys.empty?) and parameters[:retry_exceptions].keys.include?(e.class) Puppet.info("Caught exception #{e.class}:#{e}") Puppet.info(parameters[:retry_exceptions][e.class]) elsif (not parameters[:retry_exceptions].keys.empty?) # If the exceptions is not in the list of retry_exceptions re-raise. raise e end failures += 1 parameters[:retries] -= 1 # Increase the amount of time that we sleep after every # failed retry attempt. sleep (((2 ** failures) -1) * 0.1) retry end end |