Module: Stackup::ErrorHandling

Included in:
Stack
Defined in:
lib/stackup/error_handling.rb

Overview

Handle Aws::CloudFormation::Errors::ValidationError.

Instance Method Summary collapse

Instance Method Details

#handling_validation_error ⇒ Object

Invoke an Aws::CloudFormation operation

If a ValidationError is raised, check the message; there’s often useful information is hidden inside. If that’s the case, convert it to an appropriate Stackup exception.



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# File 'lib/stackup/error_handling.rb', line 15

def handling_validation_error
  yield
rescue Aws::CloudFormation::Errors::ValidationError => e
  case e.message
  when /Stack .* does not exist/
    raise NoSuchStack, "no such stack"
  when "No updates are to be performed."
    raise NoUpdateRequired, "no updates are required"
  when / can ?not be /
    raise InvalidStateError, e.message
  else
    raise ValidationError, e.message
  end
end