Sha256: 912de2efa883fe36122930361c6cc8a08d728e35da555aa312553540f49d4720
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Versions: 10
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Stored size: 1.14 KB
Contents
class CfnStatus
class RollbackStack
def self.handle!(stack_name, options={})
new(stack_name, options).run
end
attr_reader :status, :cfn
def initialize(stack_name, options={})
@stack_name = stack_name
@cfn = options[:cfn]
@status = CfnStatus.new(@stack_name, cfn: @cfn)
end
def run
@stack = find_stack(@stack_name)
if @stack && rollback_complete?(@stack)
puts "Existing stack in ROLLBACK_COMPLETE state. Deleting stack before continuing."
cfn.delete_stack(stack_name: @stack_name)
status.wait
status.reset
@stack = nil # at this point stack has been deleted
end
end
def rollback_complete?(stack)
stack.stack_status == 'ROLLBACK_COMPLETE'
end
def find_stack(stack_name)
return if ENV['CFN_STATUS_TEST']
resp = cfn.describe_stacks(stack_name: stack_name)
resp.stacks.first
rescue Aws::CloudFormation::Errors::ValidationError => e
# example: Stack with id demo-web does not exist
if e.message =~ /Stack with/ && e.message =~ /does not exist/
nil
else
raise
end
end
end
end
Version data entries
10 entries across 10 versions & 1 rubygems