mirror of
https://github.com/mastodon/mastodon.git
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121 lines
3.2 KiB
Ruby
121 lines
3.2 KiB
Ruby
# frozen_string_literal: true
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class Mastodon::RedisConfiguration
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DEFAULTS = {
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host: 'localhost',
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port: 6379,
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db: 0,
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}.freeze
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def base
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@base ||= setup_config(prefix: nil, defaults: DEFAULTS)
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.merge(namespace: base_namespace)
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end
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def sidekiq
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@sidekiq ||= setup_config(prefix: 'SIDEKIQ_')
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.merge(namespace: sidekiq_namespace)
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end
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def cache
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@cache ||= setup_config(prefix: 'CACHE_')
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.merge({
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namespace: cache_namespace,
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expires_in: 10.minutes,
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connect_timeout: 5,
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pool: {
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size: Sidekiq.server? ? Sidekiq[:concurrency] : Integer(ENV['MAX_THREADS'] || 5),
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timeout: 5,
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},
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})
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end
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private
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def driver
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ENV['REDIS_DRIVER'] == 'ruby' ? :ruby : :hiredis
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end
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def namespace
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@namespace ||= ENV.fetch('REDIS_NAMESPACE', nil)
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end
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def base_namespace
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return "mastodon_test#{ENV.fetch('TEST_ENV_NUMBER', nil)}" if Rails.env.test?
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namespace
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end
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def sidekiq_namespace
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namespace
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end
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def cache_namespace
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namespace ? "#{namespace}_cache" : 'cache'
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end
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def setup_config(prefix: nil, defaults: {})
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prefix = "#{prefix}REDIS_"
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url = ENV.fetch("#{prefix}URL", nil)
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user = ENV.fetch("#{prefix}USER", nil)
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password = ENV.fetch("#{prefix}PASSWORD", nil)
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host = ENV.fetch("#{prefix}HOST", defaults[:host])
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port = ENV.fetch("#{prefix}PORT", defaults[:port])
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db = ENV.fetch("#{prefix}DB", defaults[:db])
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return { url:, driver: } if url
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sentinel_options = setup_sentinels(prefix, default_user: user, default_password: password)
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if sentinel_options.present?
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host = sentinel_options[:name]
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port = nil
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db ||= 0
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end
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url = construct_uri(host, port, db, user, password)
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if url.present?
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{ url:, driver: }.merge(sentinel_options)
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else
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# Fall back to base config, which has defaults for the URL
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# so this cannot lead to endless recursion.
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base
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end
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end
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def setup_sentinels(prefix, default_user: nil, default_password: nil)
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name = ENV.fetch("#{prefix}SENTINEL_MASTER", nil)
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sentinel_port = ENV.fetch("#{prefix}SENTINEL_PORT", 26_379)
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sentinel_list = ENV.fetch("#{prefix}SENTINELS", nil)
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sentinel_username = ENV.fetch("#{prefix}SENTINEL_USERNAME", default_user)
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sentinel_password = ENV.fetch("#{prefix}SENTINEL_PASSWORD", default_password)
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sentinels = parse_sentinels(sentinel_list, default_port: sentinel_port)
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if name.present? && sentinels.present?
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{ name:, sentinels:, sentinel_username:, sentinel_password: }
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else
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{}
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end
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end
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def construct_uri(host, port, db, user, password)
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return nil if host.blank?
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Addressable::URI.parse("redis://#{host}:#{port}/#{db}").tap do |uri|
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uri.user = user if user.present?
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uri.password = password if password.present?
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end.normalize.to_str
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end
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def parse_sentinels(sentinels_string, default_port: 26_379)
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(sentinels_string || '').split(',').map do |sentinel|
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host, port = sentinel.split(':')
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port = (port || default_port).to_i
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{ host: host, port: port }
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end.presence
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end
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end
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