Bitnami Redis sentinel Sidekiq Rails with

sidekiq.rb

# /config/initializers/sidekiq.rb
# REDIS_URL ONLY in development environment needed
# REDIS_SENTINEL must be provided (eg: redis-headless.redis.svc.cluster.local if using Kubernetes)
# REDIS_PASSWORD must be provided, otherwise: edit this example

# in order to retrieve the Redis IP addresses.
SENTINELS = Resolv.getaddresses(ENV['REDIS_SENTINEL']).map do |address|
  # 'address' will get resolved into IP addresses
  { host: address, port: 26_379, password: ENV['REDIS_PASSWORD'] } # reading from
end if Rails.env.production?

# SERVER CONFIGURATION
Sidekiq.configure_server do |config|
  if Rails.env.development?
    # for development simple and single Redis instance (without password) configured
    config.redis = { url: ENV['REDIS_URL'], id: "Sidekiq-server-PID-#{::Process.pid}" }
  elsif Rails.env.production?
  config.redis = {
    url: 'redis://mymaster', # when using sentinels the name of the master can be found in the Redis logs (regularly it's "mymaster")
    password: ENV['REDIS_PASSWORD'],
    role: :master,
    sentinels: SENTINELS
  }
end

# CLIENT CONFIGURATION
Sidekiq.configure_client do |config|
  if Rails.env.development?
    config.redis = { url: ENV['REDIS_URL'], id: "Sidekiq-server-PID-#{::Process.pid}" }
  elsif Rails.env.production?
  config.redis = {
    url: 'redis://mymaster', # when using sentinels the name of the master can be found in the Redis logs (regularly it's "mymaster")
    password: ENV['REDIS_PASSWORD'],
    role: :master,
    sentinels: SENTINELS
  }
end