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19.03.2021 · Ansible’s selectattr and rejectattr allow filtering of a list of dictionaries based on a specific test being executed against each dictionary’s keys and values. But what if the dictionary is not guaranteed to always have the key being tested actually defined? Welp, I didn’t really mean to post another post on what I originally considered to be Ansible 101 level knowledge that just …
21.12.2021 · Data manipulation . In many cases, you need to do some complex operation with your variables, while Ansible is not recommended as a data processing/manipulation tool, you can use the existing Jinja2 templating in conjunction with the many added Ansible filters, lookups and tests to do some very complex transformations.
08.01.2020 · Ansible json and selecting attributes. Today i had to work out how to pull an attribute out of some json provided by AWS when creating an AMI. Basically i tag the AMI snapshot with the same tags i use for the AMI and it’s source instance. The below code has some interesting bits to it. You can easily add json to your Ansible yaml – lines 10 ...
selectattr/rejectattr: very similar to the above but it uses a specific attribute of the list elements for the conditional statement. Extract keys from a ...
To filter a list of dicts you can use the selectattr filter together with the equalto test: network.addresses.private_man | selectattr("type", "equalto", ...
ansible - example of using selectattr to filter on attrs that are defined and true Raw 00_play.yml This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that …
Jinja2 has a few filters that provide this functionality: map , select , reject , selectattr , rejectattr . map: this is a basic for loop that just allows you ...
08.09.2019 · Ansible - how to use selectattr with yaml of different keys. Ask Question Asked 2 years, 3 months ago. Active 1 year, 4 months ago. Viewed 16k times 3 im pulling my hairs trying to do a simple thing (i thought it should be easy) with parsing a yaml and filtering for some key in Ansible. My yaml file looks like ...
18.04.2017 · As per the documentation: “selectattr() filters a sequence of objects by applying a test to the specified attribute of each object, and only selecting the objects with the test succeeding. If no test is specified, the attribute’s value will be evaluated as a boolean.“ Example #1 This blog post does a great job of demonstrating how to use selectattr( ) .