Module: EbDeployer::Utils

Included in:
ConfigLoader, EbEnvironment, Environment, EventPoller, ThrottlingHandling
Defined in:
lib/eb_deployer/utils.rb

Constant Summary collapse

BACKOFF_INITIAL_SLEEP = 
1

Instance Method Summary collapse

Instance Method Details

#backoff(error_class, retry_limit = 9, &block) ⇒ Object

A util deal with throttling exceptions example:

backoff(AWS::EC2::Errors::RequestLimitExceeded) do
   ...
end



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# File 'lib/eb_deployer/utils.rb', line 10

def backoff(error_class, retry_limit=9, &block)
  next_sleep = BACKOFF_INITIAL_SLEEP
  begin
    yield
  rescue error_class
    raise if retry_limit == 0
    sleep(next_sleep)
    next_sleep *= 2
    retry_limit -= 1
    retry
  end
end

#reject_nil(hash) ⇒ Object 



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# File 'lib/eb_deployer/utils.rb', line 29

def reject_nil(hash)
  hash.reject{| k, v| v.nil?}
end

#symbolize_keys(hash) ⇒ Object

convert top level key in a hash to symbol



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# File 'lib/eb_deployer/utils.rb', line 24

def symbolize_keys(hash)
  hash.inject({}){|memo,(k,v)| memo[k.to_sym] = v; memo}
end