[feat] Update Ingress linter for unsafe annotations - #469
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Signed-off-by: Paramoshka <parfenov_ivan_42a@mail.ru>
Signed-off-by: Paramoshka <parfenov_ivan_42a@mail.ru>
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Description
Adds an Ingress lint rule that reports unsafe ingress-nginx snippet annotations as errors.
For
configuration-snippet, the rule also verifies that HSTS is preserved through the dedicatedingress-nginx-hstsannotation or the canonical legacy directive. Existing Ingress exclusion rules are supported.Why do we need it, and what problem does it solve?
Unsafe snippet annotations require permissive ingress-nginx settings and allow modules to inject arbitrary NGINX configuration.
The rule prevents new usages, identifies modules that require manual migration, and ensures that removing legacy snippets does not accidentally disable HSTS.