health_monitor_redis_client.rb

require "redis-client"

##
# Emulate the methods of the Redis gem for HealthMonitor 
# so we can use RedisClient gem instead.
#
class HealthMonitorRedisClient
  def initialize
    # REDIS_CONNECTION_SETTINGS should be defined elsewhere
    @client = RedisClient.config(**REDIS_CONNECTION_SETTINGS).new_client
  end

  def info
    @client.call("INFO").then do |raw_info|
      raw_info.each_line(chomp: true).with_object({}) do |line, info_hash|
        next if line.blank? || line.start_with?("#")

        key, value = line.split(":")
        info_hash[key] = value
      end
    end
  end

  def get(key)
    @client.call("GET", key)
  end

  def set(key, value)
    @client.call("SET", key, value)
  end
end