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element, a notification count, or an important indicator (like marking a technology as 'beta' or 'private') are all use cases for labels.

Labels should be limited to one or two words and should only be used in situations where the content in the label is quite important.

In this post, I’ll show how a few of those tools make working with Pipelines even better.

The best way to start this list is with the most recent and coolest arrival in this space: the Blue Ocean Pipeline Editor.

I’ve only been working with Pipeline for about a year.

Pipeline in and of itself has been a huge improvement over old-style Jenkins projects.

Wraith uses a headless browser to create screenshots of webpages on different environments (or at different moments in time) and then creates a diff of the two images; the affected areas are highlighted in blue.

You can configure it in various ways but in a nutshell you provide it with two URLs, and it will take screenshots of both and compare them, providing you with a visual diff of the two as well as a 'score' percentage of the differences (if any). You will need Image Magick installed, as well as a headless browser like Phantom JS.

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If you use a dark or blue panel color, be sure to use the link modifier classes to style links in an appropriate color.We'll run Wraith with the capture command and pass it our config file: When you run Wraith it will visit the page, snap a screenshot and then assemble a gallery for you to view. /bin/sh echo "Starting Failover Test" echo "Checking: echo "Against: echo "Clean up shots directories" /usr/local/share/gems/gems/wraith-3.1.2/bin/wraith reset_shots /opt/wraith/configs/capture echo "Running wraith" /usr/local/share/gems/gems/wraith-3.1.2/bin/wraith capture /opt/wraith/configs/First we run a Wraith command which cleans up our screenshots directory, then we run Wraith capture.Here is an example screenshot which shows that in failover we are missing some font files (highlighted in blue). Next we need to figure out if there are any differences with our images.Then simply: Commands: wraith capture [config_name] # Capture paths against two domains, compare them, generate gallery wraith compare_images [config_name] # compares images to generate diffs wraith copy_base_images [config_name] # copies the required base images over for comparison with latest images wraith crop_images [config_name] # crops images to the same height wraith generate_gallery [config_name] # create page for viewing images wraith generate_thumbnails [config_name] # create thumbnails for gallery wraith help [COMMAND] # Describe available commands or one specific command wraith history [config_name] # Setup a baseline set of shots wraith latest [config_name] # Capture new shots to compare with baseline wraith multi_capture [filelist] # A Batch of Wraith Jobs wraith reset_shots [config_name] # removes all the files in the shots folder wraith save_images [config_name] # captures screenshots wraith setup # creates config folder and default config wraith setup_folders [config_name] # create folders for images wraith validate [config_name] # checks your configuration and validates that all required properties exist wraith version # Show the version of Wraith create configs create configs/create configs/create configs/create javascript create javascript/cookies_and_create javascript/cookies_and_create javascript/disable_create javascript/disable_create javascript/create javascript/create javascript/create javascript/I am not going to delve too deeply into configuration. Of particular interest is the ability to call Javascript before capture.At Red Hat we use this to pass some special headers so we can view failover content.