الاثنين، 18 يناير 2016

Rack-Bug: A debugging Toolbar For Rack Applications

Debugging Toolbar


Rack-Bug: A debugging Toolbar For Rack Applications.


Rack-Bug: A debugging toolbar for Rack applications implemented as middleware. Once it enabled it injects a floating div allowing exploration of logging, database queries, template rendering times, etc.


Versions:

1- 0.3.0 - May 28, 2010 (68 KB)
2- 0.2.1 - August 6, 2009 (65 KB)

Rack-Bug characteristics:

- Password-based security
- IP-based security
- Rack::Bug instrumentation/reporting is broken up into panels.

Panels in default configuration:
- Rails Info
- Timer
- Request Variables
- SQL
- Active Record
- Cache
- Templates
- Log
- Memory
Other bundled panels:
- Redis
- Sphinx
-The API for adding your own panels is simple and powerful

Configuration:

Specify the set of panels you want, in the order you want them to appear:
require "rack/bug"

ActionController::Dispatcher.middleware.use Rack::Bug,
  :secret_key => "someverylongandveryhardtoguesspreferablyrandomstring",
  :panel_classes => [
    Rack::Bug::TimerPanel,
    Rack::Bug::RequestVariablesPanel,
    Rack::Bug::RedisPanel,
    Rack::Bug::TemplatesPanel,
    Rack::Bug::LogPanel,
    Rack::Bug::MemoryPanel
  ]

Running Rack::Bug in staging

We have have found that Rack::Bug is fast enough to run in production for specific troubleshooting efforts.

For Configuration

Add the middle-ware configuration to an initialize or the appropriate environment files, taking the rest of this section into consideration.

Security

Restrict access to particular IP addresses:
require "ipaddr"

ActionController::Dispatcher.middleware.use "Rack::Bug"
  :secret_key => "someverylongandveryhardtoguesspreferablyrandomstring",
  :ip_masks   => [IPAddr.new("2.2.2.2/0")]
Restrict access using a password:
ActionController::Dispatcher.middleware.use "Rack::Bug",
  :secret_key => "someverylongandveryhardtoguesspreferablyrandomstring",
  :password   => "yourpassword"


Development:

You need to install following gems-rspec, rack-test, webrat, sinatra.

Download

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