lib/mongodb_logger/rack_middleware.rb
# Rack middleware for mounted rack app (e.g Grape)
module MongodbLogger
class RackMiddleware
@@log_attributes_filter = nil
def self.log_attributes_filter=(filter)
@@log_attributes_filter = filter
end
def initialize(app)
@app = app
end
def request_ip(request)
return request.env["REMOTE_ADDR"]
end
def call(env)
request = ::Rack::Request.new env
path = request.path.split('/')
log_attrs = {
method: request.request_method,
action: (path[2..-1] || []).join('/'),
controller: path[1],
path: request.path,
url: request.url,
params: request.params,
ip: request_ip(request)
}
log_attrs = @@log_attributes_filter.call(log_attrs) if @@log_attributes_filter
logger.mongoize(log_attrs) do
return @app.call(env)
end
end
private
def logger
@logger ||= if defined?(Rails)
Rails.logger
elsif defined?(LOGGER)
LOGGER
else
MongodbLogger::Logger.new
end
end
end
end