71 lines
1.8 KiB
Ruby
71 lines
1.8 KiB
Ruby
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class StackSynchronizer
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include PutsAndFlush
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attr_reader :out, :stack
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def initialize(stack, out)
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@stack, @out = stack, out
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@printed_events = []
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end
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def sync
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puts_and_flush "Syncing stack '#{stack.id}'..."
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# 5 tries each 5 seconds, then 200 tries each 10 seconds
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sleep_times = [5]*5 + [10]*400
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sleep_times.each do |sleep_time|
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sleep sleep_time
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stack.sync_details!
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print_new_events
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case stack.stack_status
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when 'CREATE_IN_PROGRESS', 'ROLLBACK_IN_PROGRESS'
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when 'CREATE_COMPLETE'
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::Devops::Db.connector.stack_update(stack)
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puts_and_flush "Stack '#{stack.id}' status is now #{stack.stack_status}"
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return 0
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when 'ROLLBACK_COMPLETE'
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puts_and_flush "Stack '#{stack.id}' status is rolled back"
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return error_code(:stack_rolled_back)
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else
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puts_and_flush "Unknown stack status: '#{stack.stack_status}'"
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return error_code(:unkown_status)
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end
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end
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puts_and_flush "Stack hasn't been synced in #{sleep_times.inject(&:+)} seconds."
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error_code(:timeout)
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rescue StandardError => e
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DevopsLogger.logger.error e.message
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puts_and_flush "Error: #{e.message}\n#{e.backtrace.join("\n")}"
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error_code(:error)
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end
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def reason_from_error_code(code)
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error_codes.key(code)
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end
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private
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def error_code(reason)
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error_codes.fetch(reason)
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end
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def error_codes
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{
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stack_rolled_back: 1,
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unkown_status: 2,
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timeout: 3,
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error: 5
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}
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end
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def print_new_events
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stack.events.each do |event|
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unless @printed_events.include?(event["event_id"])
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@printed_events << event["event_id"]
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out.puts "#{event["timestamp"]} - #{event["status"]}: #{event["reason"]}"
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end
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end
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out.flush
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end
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end
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