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Contents
module Codepipe
class Deploy < Stack
def run
handle_rollback_completed!
if stack_exists?(@stack_name)
Update.new(@options).run
else
Create.new(@options).run
end
end
def handle_rollback_completed!
@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['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
7 entries across 7 versions & 1 rubygems