QA/Execution/Web Testing/Automation/Selenium Grid: Difference between revisions

moz-grid-config is a project for managing our Selenium infrastructure. It includes the latest version of Selenium that we're using, and a mechanism for starting the hub/nodes. You can find documentation on moz-grid-config at the [https://github.com/mozilla/moz-grid-config github project page].

The Selenium Grid hub is running on a VM in our data-center. For setup and administration see our [https://mana.mozilla.org/wiki/display/QA/selenium-hub1.qa.scl3.mozilla.com internal Mana page].

We have several Mac minis running as Selenium nodes and 6 VMs running Windows nodes in our data-center.

* '''selenium'''.qa.mtv2.mozilla.com (10.252.73.143)

** Mac Mini; 2.7 Ghz Intel Core i7; 8 GB  

** Mac OS X 10.7.4, 2.5 GHz Intel Core i5; 4GB 1067 MHz DDR3

* '''selenium1'''.qa.scl3.mozilla.com (10.22.73.149)

** Windows 7, 8 GB RAM, 2 cores, 150GB disk

** Windows 7, 8 GB RAM, 2 cores, 150GB disk

Connect to the appropriate machine, and execute the following from a terminal (you can use SSH or VNC):

We need the <code>-autoproxy</code> helper because the these nodes run through a proxy.

Terminate the process using Ctrl+C.

You will need to fork and clone from the [https://github.com/mozilla/moz-grid-config moz-grid-config github repository] and work on a new branch.

# Add the browser, alias, and path to <code>grid_configuration.yml</code>.

# Submit a pull request to the main GitHub repository from your branch.

# Prepare Jenkins for shutdown - this will allow all currently running jobs to finish, but will not start any new jobs.

# Once no jobs are running, stop the Selenium Grid hub

## Start the Selenium server

* All new browsers should be installed with the version number in the path so that moz-grid-config can always find them.

* Install [http://pypi.python.org/pypi/mozdownload mozdownload] and [http://pypi.python.org/pypi/mozinstall mozinstall] using pip to download and install the Firefox binaries.

** Releases are also available to download manually [http://ftp.mozilla.org/pub/mozilla.org//firefox/releases/ here]

From a terminal:

     rm /tmp/firefox-14.0.1.en-US.mac.dmg

From a command prompt:

The output will display the FQDN of the computer.

Before updating the Grid we need to test locally with the latest Firefox and Selenium versions.

# You will need to fork and clone from the [https://github.com/mozilla/moz-grid-config moz-grid-config github repository] and work on a new branch (latest-version) (see [[#Configuration|Configuration]].

# After changes are merged into the main GitHub repository, move the main Grid to run on "latest-version" branch.

# Once testing on the main Grid instance is successful, merge the latest-version branch into master and switch back to the master branch on the hub and nodes.