Rake task for connecting to Redis on Heroku. Replace OPENREDIS_URL with whatever environment variable contains Redis connection string.

heroku_redis_cli.rake

desc 'Connect to Redis (production)'
task :redis do
  redis_uri = `heroku config:get OPENREDIS_URL`
  pattern = /redis:\/\/:(\S+)@(\S+):(\d+)/
  redis_uri[pattern]
  command = "redis-cli -a #{$1} -h #{$2} -p #{$3}"

  exec command
end