title: CRD Validation Expression Language
kep-number: 2876
authors:
  - "@jpbetz"
  - "@cici37"
  - "@DangerOnTheRanger"
  - "@leilajal"
owning-sig: sig-api-machinery
status: implementable
creation-date: 2021-05-26
reviewers:
  - "@deads2k"
  - "@lavalamp"
  - "@liggitt"
  - "@sttts"
approvers:
  - "@deads2k"
  - "@lavalamp"
  - "@liggitt"

see-also:
  - "/keps/sig-api-machinery/95-custom-resource-definitions"

# The target maturity stage in the current dev cycle for this KEP.
stage: beta

# The most recent milestone for which work toward delivery of this KEP has been
# done. This can be the current (upcoming) milestone, if it is being actively
# worked on.
latest-milestone: "v1.27"

# The milestone at which this feature was, or is targeted to be, at each stage.
milestone:
  alpha: "v1.23"
  beta:  "v1.25"

# The following PRR answers are required at alpha release
# List the feature gate name and the components for which it must be enabled
feature-gates:
  - name: CustomResourceValidationExpressions
    components:
      - kube-apiserver
disable-supported: true

# The following PRR answers are required at beta release
metrics:
  - my_feature_metric
