kirillshevch

class SomeClass
  # ...

  def execute
    api_client.get(id)
  rescue StandardError => e
    @retries = @retries + 1
    retries > RETRY_LIMIT ? raise(e) : retry
  end

kirillshevch

class WeatherUpdateJob
  include Sidekiq::Worker
  sidekiq_options retry: 3

  def perform
    Weather.new(data: BestWeatherAPI.get)
    Weather.save!
  end
end

kirillshevch

module Aws::S3
  module Errors
    extend Aws::Errors::DynamicErrors
    class BucketAlreadyExists < ServiceError
      def initialize(context, message, data = Aws::EmptyStructure.new)
        super(context, message, data)
      end
    end

    class BucketAlreadyOwnedByYou < ServiceError

kirillshevch

def get
  Retriable.retriable do
    # code here...
  end
rescue StandardError => e  
  logger.error 'failed_request', error: e
end

kirillshevch

# Will retry all exceptions
Retriable.with_context(:aws) do
  # aws_call
end

# Will retry Mysql::DeadlockException
Retriable.with_context(:mysql) do
  # write_to_table
end

kirillshevch

Retriable.configure do |c|
  c.contexts[:aws] = {
    tries: 3,
    on: [Aws::Errors::ServiceError, Errno::ECONNRESET]
  }
  c.contexts[:mysql] = {
    tries: 10,
    on: Mysql::DeadlockException
  }
end

kirillshevch

require 'retriable'

class Api
  # Use it in methods that interact with unreliable services
  def get
    Retriable.retriable do
      # code here...
    end
  end
end

kirillshevch

class SomeClass
  attr_reader :id, :retries

  ApiError = Class.new(StandardError)
  
  RETRY_LIMIT = 3

  def initialize(id)
    @id = id
    @retries = 0

kirillshevch

Run rails new --help to see all of the options you can use to create a new Rails application:

Output for Rails 8+

Usage:
  rails COMMAND [options]

You must specify a command:

kirillshevch

class Integer
  def times_method
    (0...self).each do |i|
      yield(i)
    end

    return self
  end
end