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agent_log.rb 1.7KB

    # AgentLogs are temporary records of Agent activity, intended for debugging and error tracking. They can be viewed # in Agents' detail pages. AgentLogs with a `level` of 4 or greater are considered "errors" and automatically update # Agents' `last_error_log_at` column. These are often used to determine if an Agent is `working?`. class AgentLog < ActiveRecord::Base attr_accessible :agent, :inbound_event, :level, :message, :outbound_event belongs_to :agent belongs_to :inbound_event, :class_name => "Event" belongs_to :outbound_event, :class_name => "Event" validates_presence_of :agent, :message validates_numericality_of :level, :only_integer => true, :greater_than_or_equal_to => 0, :less_than => 5 before_validation :scrub_message before_save :truncate_message def self.log_for_agent(agent, message, options = {}) puts "Agent##{agent.id}: #{message}" unless Rails.env.test? log = agent.logs.create! options.merge(:message => message) if agent.logs.count > log_length oldest_id_to_keep = agent.logs.limit(1).offset(log_length - 1).pluck("agent_logs.id") agent.logs.where("agent_logs.id < ?", oldest_id_to_keep).delete_all end agent.update_column :last_error_log_at, Time.now if log.level >= 4 log end def self.log_length ENV['AGENT_LOG_LENGTH'].present? ? ENV['AGENT_LOG_LENGTH'].to_i : 200 end protected def scrub_message if message_changed? && !message.nil? self.message = message.inspect unless message.is_a?(String) self.message.scrub!{ |bytes| "<#{bytes.unpack('H*')[0]}>" } end true end def truncate_message self.message = message[0...10_000] if message.present? end end