Arie Bregman

Linux And Stuff

Category: Uncategorized

Ajax Datatable: changing row color based on the data

We have the following table which is populated with data, using Ajax

Now, let’s say you want to color the table rows, based on the second column status after, the table is already filled with data:

  • UNSTABLE -> Yellow
  • SUCCESS -> Green
  • Failure -> Red

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OpenStack: Neutron Service Code Deep Dive

This post is a dummy walkthrough of neutron services code. I recommend being familiar with the following modules (not a hard requirement, but will help you avoid jumping between this post and other docs):

I created the following drawing to make it easier to track several of the files and classes mentioned in this post.

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Tests: How to convert Subnit stream to junitXML

Subunit is a streaming protocol for test results. It is a binary encoding generated while you are running tests. It is also widely used in the Openstack project.

Subunit comes with a lot of useful filters. Some of them are:

  • subunit2gtk
  • subunit2pyunit
  • tap2subunit

I will focus on subunit2junitxml which converts a Subunit stream into a junitXML representation. I recently had to use it for CI as the Jenkins plugin I’m using doesn’t support publishing tests results using pure subunit stream.

First let’s start with installing the needed packages.

For RHEL/CentOS/Fedora:

Now take your subunit stream ( if you don’t know where it is, look in “Q&A” section ) and run the following command:

This command will use the subunit filters to convert the stream into junitXML.

In order to verify it worked, read the file and see if it’s in the desired format.

You can also simply run:  grep “<testcase classname=”  tests_results.xml

If it didn’t work, you may need first to convert the stream into the newer protocol version 2.  In such case simply run:

That’s it. Now you have it in junitXML format and if you are using jenkins, you can also use it to publish your tests results.


Q&A

Q: Where can I find the subunit stream files?

A: It may depend on how you run the tests. If you are using ‘tox’ you could find the files in .testrepository directory. The name of the files would be numbered. Those numbers are actually the tests run order. 1 for example, would be the second time you ran the tests.

Q: In jenkins, How do you publish tests results in Junit format?

A: I’ve installed the Junit plugin and in ‘Post-build Actions’ I’m using ‘Publish Junit test result report’

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