LogentriesAlertsController

logentries_alerts_controller.rb

class LogentriesAlertsController < ApplicationController
  skip_before_action :verify_authenticity_token

  def create
    return head(:unprocessable_entity) unless
      LogentriesAuth.new(request).authorized?

    if what =~ /R1[45]/ && 
         who =~ /web\.\d+/         
      Redis.current.set(
        "puma::stop::#{who}", 
        "*** HEROKU ERROR #{what} ***", 
        ex: 60.seconds
      )
    end

    head :ok
  end

  private

  def logentries_payload
    params.require(:payload)
  end
  
  def message
    @message ||= JSON
      .parse(logentries_payload)
      .dig('event', 'm')
  end
  
  def who
    @who ||= message
      .match(/heroku ([^\s]+)/)
      .to_a
      .dig(1)
  end
  
  def what
    @what ||= message
      .match(/- - Error (\w\d+) /)
      .to_a
      .dig(1)
  end
end