Sharded Sidekiq Webui

sharded_web.rb

REDIS_A = ConnectionPool.new { Redis.new(:db => 1) }
REDIS_B = ConnectionPool.new { Redis.new(:db => 2) }

class ShardedWeb < Sidekiq::Web
  
  before do
  	desired_shard = params[:shard] || request.cookies['sidekiq_shard']
    if desired_shard
      Thread.current[:sidekiq_via_pool] = Object.const_get(desired_shard)
      #this prevents us from having to override all links in the web ERBs
      response.set_cookie 'sidekiq_shard', desired_shard
    end
  end

  after do
    Thread.current[:sidekiq_via_pool] = nil
  end

end

sidekiq.rb

module Sidekiq
  
  def self.redis_pool
    Thread.current[:sidekiq_via_pool] ? Thread.current[:sidekiq_via_pool] : pool_no_shard
  end

  def self.pool_no_shard
     @redis ||= Sidekiq::RedisConnection.create
  end

end