107 lines
2.6 KiB
Ruby
107 lines
2.6 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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name = ENV.fetch("#{prefix}SENTINEL_MASTER", nil)
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sentinels = parse_sentinels(ENV.fetch("#{prefix}SENTINELS", nil))
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return { url:, driver: } if url
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if name.present? && sentinels.present?
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host = name
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port = nil
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db ||= 0
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else
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sentinels = nil
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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:, name:, sentinels: }
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else
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# Fall back to base config. This has defaults for the URL
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# so this cannot lead to an endless loop.
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base
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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)
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(sentinels_string || '').split(',').map do |sentinel|
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host, port = sentinel.split(':')
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port = port.present? ? port.to_i : 26_379
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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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