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Rack middleware for Mongo::OperationTimeout

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config\application.rb
Ruby
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.....
config.middleware.insert_after 'Rack::Cache', 'ReconnectMongo'
....
configenvironment.rb
Ruby
1
require "reconnect_mongo"
libreconnect_mongo.rb
Ruby
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class ReconnectMongo
def initialize(app)
@app = app
end
 
def call(env)
begin
User.first
rescue Mongo::OperationTimeout
Mongoid.reconnect!
now = Time.now
$last_timeout ||= now
Rails.logger.warn "Mongo::OperationTimeout - reconnecting... Time since last timeout " + (now - $last_timeout).inspect
$last_timeout = now
end
@app.call(env)
end
end

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