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Sunspot Offline

Simple fail over method into your sunspot_rails + sidekiq setup

Build Rubocop Gem Version

Why?

Because Solr sometimes fails, it happens. It might be a maintenance work you have to do or just Out-Of-Memory problems. If you are running search-sensitive Rails app, you have to deal with it. This gem was developed to postpone your index tasks automatically into a sidekiq queue if Solr engine becomes unavailable

Rails Support

Rails 5.0 and higher

Installation

Add this line to your application's Gemfile:

gem 'sunspot_offline'

And then execute:

$ bundle

Or install it yourself as:

$ gem install sunspot_offline

Configuration

By default gem is configured to use built-in workers which will auto-retry indexing in 1 hour is Solr goes offline. This all is configurable, preferable via initializer:

# config/initializers/sunspot_offline.rb
  
SunspotOffline.configure do |config|
  config.retry_delay = 1.hour
end

Valid configuration options

Option Type Default value
index_job Class bundled worker class Sidekiq worker which will retry saving new documents to Solr. Accepts 2 arguments: ActiveRecord class and id (numbers, arrays, and hashes are all valid for this argument)
removal_job Class bundled worker class Sidekiq worker which will retry removing existing documents from Solr. Accepts same set of arguments as index_job.
retry_delay Duration 1 hour Delay in which sidekiq will attempt to run index_job or removal_job
default_queue String 'default' Sidekiq's named queue to use
solr_error_callback Proc(exception) nil A proc which will be executed if Solr is detected to be offline
filter_sidekiq_job_callback Proc(job_class) nil Since some Solr indexing might be happening inside yours sidekiq jobs they dont need to have a custom fail over, sidekiq is able to retry failures by itself. Using this proc you can configure which jobs could be filtered out:
->(job_name) { job_name == 'MySolrIndexJob' }. In this sample MySolrIndexJob wont be applied for a fail over

Contributing

  1. Fork it
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Run tests (bundle exec appraisal install && bundle exec appraisal rake)
  5. Push to the branch (git push origin my-new-feature)
  6. Create new Pull Request

License

The gem is available as open source under the terms of the MIT License.

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Offline extension for your Solr + Sidekiq setup

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