module Kredis::Connections

def clear_all
  Kredis.instrument :meta, message: "Connections all cleared" do
    connections.each_value do |connection|
      if Kredis.namespace
        keys = connection.keys("#{Kredis.namespace}:*")
        connection.del keys if keys.any?
      else
        connection.flushdb
      end
    end
  end
end

def configured_for(name)
  connections[name] ||= Kredis.instrument :meta, message: "Connected to #{name}" do
    if configurator.root.join("config/redis/#{name}.yml").exist?
      connector.call configurator.config_for("redis/#{name}")
    elsif name == :shared
      Redis.new url: ENV.fetch("REDIS_URL", DEFAULT_REDIS_URL), timeout: DEFAULT_REDIS_TIMEOUT
    else
      raise "No configuration found for #{name}"
    end
  end
end