90 lines
2.3 KiB
Ruby
90 lines
2.3 KiB
Ruby
class StackSynchronizer
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include PutsAndFlush
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attr_reader :out, :stack
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class SyncResult < Devops::Helpers::ResultObject
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def self.result_codes
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{
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ok: 0,
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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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stack_deleted: 6,
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stack_not_found: 7
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}
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end
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end
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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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sleep_times.each do |sleep_time|
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sleep sleep_time
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stack.sync!
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print_new_events
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update_stack_status if stack_status_changed?
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case stack.stack_status
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when 'CREATE_IN_PROGRESS', 'ROLLBACK_IN_PROGRESS', 'DELETE_IN_PROGRESS'
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when 'CREATE_COMPLETE', 'ROLLBACK_COMPLETE', 'DELETE_COMPLETE', 'CREATE_FAILED', 'NOT_FOUND'
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puts_and_flush "Stack '#{stack.id}' status is now #{stack.stack_status}"
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return result_for_provider_status(stack.stack_status)
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else
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puts_and_flush "Unknown stack status: '#{stack.stack_status}'"
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return result(: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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result(: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.class}: #{e.message}\n#{e.backtrace.join("\n")}"
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result(:error)
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end
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private
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def sleep_times
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[5]*5 + [10]*400
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end
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def result(reason)
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SyncResult.from_reason(reason)
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end
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def result_for_provider_status(status)
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provider_status_mapping = {
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'CREATE_COMPLETE' => :ok,
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'ROLLBACK_COMPLETE' => :stack_rolled_back,
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'DELETE_COMPLETE' => :stack_deleted,
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'NOT_FOUND' => :stack_not_found
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}
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result(provider_status_mapping.fetch(status))
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end
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def update_stack_status
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::Devops::Db.connector.stack_update(stack)
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@last_status = stack.stack_status
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end
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def stack_status_changed?
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@last_status != stack.stack_status
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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 |