Class: Takeoff::Stage::Heroku::DisablePreboot

Inherits:
Base
  • Object
show all
Defined in:
lib/takeoff/stage/heroku/disable_preboot.rb

Instance Method Summary collapse

Methods inherited from Base

#initialize

Methods included from Helpers

#branches_up_to_date?, #diff, #execute, #file_has_changed_locally?, #files_have_changed?, #latest_commit, #log

Constructor Details

This class inherits a constructor from Takeoff::Stage::Base

Instance Method Details

#call(env) ⇒ Object 



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# File 'lib/takeoff/stage/heroku/disable_preboot.rb', line 15

def call(env)
  unless env[:dangerous]
    log "Skipping disabling preboot because nothing dangerous is going on"

    return @app.call(env) 
  end

  return @app.call(env) unless run?(env)

  log     "Disabling preboot"
  execute "heroku features:disable preboot --remote #{env[:server_remote]}"

  begin
    @app.call(env)
  ensure
    log     "Enabling preboot"
    execute "heroku features:enable preboot --remote #{env[:server_remote]}"
  end
end

#run?(env) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/takeoff/stage/heroku/disable_preboot.rb', line 7

def run?(env)
  features = `heroku features --remote #{env[:server_remote]}`
  preboot_line = features.split("\n").find { |feature| feature =~ /\A\[[+ ]\] preboot/ }
  preboot_enabled = preboot_line.start_with?("[+]")

  preboot_enabled
end