GoogleCloudPlatform / GoogleCloudPlatform/cloud-sql-proxy-operator
k8s 1.34 baseline PodSecurity cannot use host field in lifecycle handlers
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Description
Running on k8s 1.34, if you set a PodSecurity level of restricted or baseline, the `host` field is not allowed to be set in lifecycle handlers. The operator injects the following:
```yaml
lifecycle:
preStop:
httpGet:
host: localhost # Violates baseline AND restricted PSA
path: /quitquitquit
port: 9091
```
There is no way to override this without overriding the entire container object, so this ends up leading to the operator not being able to start the pods up.
https://github.com/kubernetes/kubernetes/blob/master/CHANGELOG/CHANGELOG-1.34.md#bug-or-regression-6
> The baseline and restricted pod security admission levels now block setting the host field on probe and lifecycle handlers (https://github.com/kubernetes/kubernetes/pull/125271, [@tssurya](https://github.com/tssurya)) [SIG Auth, Node and Testing]
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