[v15] Add support for exact matching on an element in a delimited label #40183
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Updates the resource parser with two new functions: `contains` and `split`. When used together they provide the ability to search for resources that have labels with multiple values in a delimited list. For example, if a resource has label `foo=bar,baz,bang` then `split(labels[foo], ",")` would transform the comma label value from a string into a list: ["bar", "baz", "bang"] The list could then be fed to `contains` to determine if bar exists in the list: `contains(split(labels[foo], ","), bar)`.
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🤖 Vercel preview here: https://docs-6zv76yp88-goteleport.vercel.app/docs/ver/preview |
r0mant
approved these changes
Apr 3, 2024
marcoandredinis
approved these changes
Apr 4, 2024
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Backport #40166 to branch/v15
changelog: Add new resource filtering predicates to allow exact matches on a single item of a delimited list stored in a label value. For example, if given the following label containing a string separated list of values
foo=bar,baz,bang, it is now possible to match on any resources with a labelfoothat contains the elementbarviacontains(split(labels[foo], ","), bar).