CSS formatting getting stripped out when viewing on jenkins

Question

I’m facing a weird problem with my Jenkins HTML publisher plugin. I have a report where I’ve done all fancy css formatting and I’m unable to view it on Jenkins. If I download the report on my local and view it, its seen perfectly fine(with all formatting).

How am I supposed to solve it.

Answer 1

CSS is stripped out because of the Content Security Policy in Jenkins.

The default rule is set to:

sandbox; default-src 'none'; img-src 'self'; style-src 'self';

This rule set results in the following:

• No JavaScript allowed at all
• No plugins (object/embed) allowed
• No inline CSS, or CSS from other sites allowed
• No images from other sites allowed
• No frames allowed
• No web fonts allowed
• No XHR/AJAX allowed, etc.

To relax this rule, go to Manage Jenkins->Script console and type in the following command:

System.setProperty("hudson.model.DirectoryBrowserSupport.CSP", "")

and Press Run. If you see the output as 'Result:' below "Result" header then the protection disabled. Re-Run your build and you can see that the new HTML files archived will have the CSS enabled.