MahmoudAgamy

if ENV['REDIS_ACCESS_MODE'] == 'readonly'
  class Redis
    class Client
      WRITE_COMMANDS = ::Rails.cache.data.command.map { |a| a[0] if a[2].include?('write') }.compact.to_set.freeze

      def process(commands)
        if commands.flatten.any? { |c| WRITE_COMMANDS.include?(c.to_s) }
          raise NotImplementedError, "REDIS_ACCESS_MODE is set to 'readonly', disallowing writes"
        end

MahmoudAgamy

# config/initializers/redis.rb
require 'redis'

# Disables the `flushdb` and `flushall` commands.
class Redis
  module DangerousCommands
    def flushdb
      raise 'This is EXTREMELY DANGEROUS! If you really want to EMPTY THE ENTIRE DATABASE, do it from `redis-cli`.'
      # You could call `super` here if you want to allow access in some circumstances.
    end

joshuap

# config/initializers/redis.rb
require 'redis'

# Disables the `flushdb` and `flushall` commands.
class Redis
  module DangerousCommands
    def flushdb
      raise 'This is EXTREMELY DANGEROUS! If you really want to EMPTY THE ENTIRE DATABASE, do it from `redis-cli`.'
      # You could call `super` here if you want to allow access in some circumstances.
    end

mstruve

if ENV['REDIS_ACCESS_MODE'] == 'readonly'
  class Redis
    class Client
      WRITE_COMMANDS = ::Rails.cache.data.command.map { |a| a[0] if a[2].include?('write') }.compact.to_set.freeze

      def process(commands)
        if commands.flatten.any? { |c| WRITE_COMMANDS.include?(c.to_s) }
          raise NotImplementedError, "REDIS_ACCESS_MODE is set to 'readonly', disallowing writes"
        end