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Description

Ruby on Rails app monitoring: performances & quality insights for rails developers.

Monthly Downloads: 925
Programming language: Ruby
License: MIT License

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README

RorVsWild

Gem Version Maintainability

RoRvsWild is a ruby gem to monitor performances and exceptions in Ruby on Rails applications.

This gem has a double mode, development and production. It can be used without an account to monitor your requests performances in your development environment. It can also be used in your production and staging environments with an account on https://rorvswild.com. With such an account you also get extra benefits such as 30 day trace, background jobs monitoring, exceptions monitoring and notifications.

Installation

Install the gem

  • Add in your Gemfile gem "rorvswild"
  • Run bundle install in you terminal
  • Restart your local server and you’ll see a small button in the bottom left corner of your page.

RoRvsWild Local Button

This is all what you need to do to monitor your local environment requests.

API key

To monitor your production or staging environment, you need an API key. Signup on https://www.rorvswild.com and create an app to get one.

  • Add in your Gemfile gem "rorvswild"
  • Run bundle install in you terminal
  • Run rorvswild-setup API_KEY in you terminal
  • Deploy/Restart your app
  • Make a few requests and refresh your app page on rorvswild.com to view the dashboard.

The rorvswild-setup command creates a config/rorvswild.yml file.

If you prefer to use an initializer, you can do the following:

# config/initializers/rorvswild.rb
RorVsWild.start(api_key: API_KEY)

You can create unlimited apps on rorvswild.com. If you want to monitor your staging environment, create a new app and edit your rorvswild.yml to add the API key.

Development mode: RoRvsWild Local

RoRvsWild Local

RorVsWild Local monitors the performances of requests in development environment. It shows most of the requests performances insights RoRvsWild.com displays. A big difference is everything works locally and no data is sent and recorded on our servers. You don’t even need an account to use it.

RoRvsWild Local renders a small button in the bottom left corner of your page showing the runtime of the current request. If you click on it, you get all the profiled sections ordered by impact, which is depending on the sections average runtime and the calls count. As on RoRvsWild.com, the bottleneck is always on the top of the list.

Be aware that the performances on your development machine may vary from the production server. Obviously because of the different hardware and database size. Also, Rails is reloading all the code in development environment and this takes quite a lot of time. To prevent this behaviour and better match the production, turn on cache_classes in your config/environments/development.rb:

Rails.application.configure do
  config.cache_classes = true
end

If you are using Rack::Deflater middleware you won't see the small button in the corner. Because of the compression it is not possible to inject some JavaScript into the page. In that case visit http://localhost:3000/rorvswild to see the profiler.

Production mode: RoRvsWild.com

RoRvsWild.com

RoRvsWild.com makes it easy to monitor requests, background jobs and errors in your production and staging environment. It also comes with some extra options listed below.

Measure any code

You can measure any code like this (useful to monitor cronjobs):

RorVsWild.measure_code("User.all.do_something_great")

Or like that:

RorVsWild.measure_block("A great job name") { User.all.do_something_great }

Then it will appear in the jobs page.

Note that Calling measure_code or measure_block inside or a request or a job will add a section. That is convenient to profile finely parts of your code.

Send errors manually

When you already have a begin / rescue block, this manner suits well:

begin
  # Your code ...
rescue => exception
  RorVsWild.record_error(exception)
end

If you prefer to be concise, just run the code from a block:

RorVsWild.catch_error { 1 / 0 }  # => #<ZeroDivisionError: divided by 0>

Moreover, you can provide extra details when capturing errors:

RorVsWild.record_error(exception, {something: "important"})
RorVsWild.catch_error(something: "important") { 1 / 0 }

Ignore requests, jobs, exceptions and plugins

From the configuration file, you can tell RorVsWild to skip monitoring some requests, jobs, exceptions and plugins.

# config/rorvswild.yml
production:
  api_key: API_KEY
  ignore_requests:
    - SecretController#index
  ignore_jobs:
    - SecretJob
  ignore_exceptions:
    - ActionController::RoutingError  # Ignore by default any 404
    - ZeroDivisionError
  ignore_plugins:
    - Sidekiq # If you don't want to monitor your Sidekiq jobs

Here is the equivalent if you prefer initialising RorVsWild manually.

# config/initializers/rorvswild.rb
RorVsWild.start(
  api_key: "API_KEY",
  ignore_requests: ["SecretController#index"],
  ignore_jobs: ["SecretJob"],
  ignore_exceptions: ["ActionController::RoutingError", "ZeroDivisionError"],
  ignore_plugins: ["Sidekiq"])

Finally here is the list of all plugins you can ignore :

  • ActionController
  • ActionMailer
  • ActionView
  • ActiveJob
  • ActiveRecord
  • DelayedJob
  • Elasticsearch
  • Mongo
  • NetHttp
  • Redis
  • Resque
  • Sidekiq

Contributing

  1. Fork it ( https://github.com/[my-github-username]/rorvswild/fork )
  2. Create your feature branch (git checkout -b my-new-feature)
  3. Commit your changes (git commit -am 'Add some feature')
  4. Push to the branch (git push origin my-new-feature)
  5. Create a new Pull Request