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ValidatingAdmissionPolicy: expended type checking to messageExpression #119209

Merged
merged 1 commit into from
Jul 11, 2023
Merged

ValidatingAdmissionPolicy: expended type checking to messageExpression #119209

merged 1 commit into from
Jul 11, 2023

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jiahuif
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@jiahuif jiahuif commented Jul 10, 2023 •
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What type of PR is this?

/kind feature

What this PR does / why we need it:

This PR:

  • refactor the type checker to be reuseable across fields of a policy definition
  • refactor type checker API to be more easily reused client-side.
  • type checking for validations[].messageExpression
  • (follow-up) type checking for variables[].expression once it's merged.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

A ValidatingAdmissionPolicy now has its `messageExpression` field checked against resolved types.

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

@k8s-ci-robot k8s-ci-robot added release-note Denotes a PR that will be considered when it comes time to generate release notes. kind/feature Categorizes issue or PR as related to a new feature. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. do-not-merge/needs-sig Indicates an issue or PR lacks a `sig/foo` label and requires one. needs-triage Indicates an issue or PR lacks a `triage/foo` label and requires one. needs-priority Indicates a PR lacks a `priority/foo` label and requires one. labels Jul 10, 2023
@k8s-ci-robot k8s-ci-robot added area/apiserver sig/api-machinery Categorizes an issue or PR as relevant to SIG API Machinery. and removed do-not-merge/needs-sig Indicates an issue or PR lacks a `sig/foo` label and requires one. labels Jul 10, 2023
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jiahuif commented Jul 10, 2023

/assign @cici37 @alexzielenski

@jiahuif jiahuif changed the title expended type checking. ValidatingAdmissionPolicy: expended type checking Jul 10, 2023
alexzielenski
alexzielenski reviewed Jul 11, 2023
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Looks like a clean refactoring and adds support for messageExpression errors as advertised. No critiques that I could find

lgtm

@cici37 cici37 mentioned this pull request Jul 11, 2023
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cici37 commented Jul 11, 2023

/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Jul 11, 2023
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LGTM label has been added.

Git tree hash: ee270a26d5206d35e74af73c12a38611b707b7e6

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jiahuif commented Jul 11, 2023 •
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Let's limit the size of PRs and speed up reviews. This PR will be limited to messageExpression and I will send follow-ups right after this one merges.

@jiahuif jiahuif changed the title ValidatingAdmissionPolicy: expended type checking ValidatingAdmissionPolicy: expended type checking to messageExpression Jul 11, 2023
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/approve

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/hold

in case you wanted to control merge order

@k8s-ci-robot k8s-ci-robot added the do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. label Jul 11, 2023
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[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: alexzielenski, jiahuif

The full list of commands accepted by this bot can be found here.

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@k8s-ci-robot k8s-ci-robot added the approved Indicates a PR has been approved by an approver from all required OWNERS files. label Jul 11, 2023
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jiahuif commented Jul 11, 2023

/hold cancel
The PR is designed not to conflict with the controller refactor PR. Should be green to merge.

@k8s-ci-robot k8s-ci-robot removed the do-not-merge/hold Indicates that a PR should not merge because someone has issued a /hold command. label Jul 11, 2023
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A few nits then LGTM

staging/src/k8s.io/apiserver/pkg/admission/plugin/validatingadmissionpolicy/typechecking.go Outdated
Comment on lines 74 to 76
func (r *TypeCheckingResult) GVK() schema.GroupVersionKind {
return r.gvk
}
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Consider either exporting gvks field (if callers can be trusted to not modify the slice), or copying the slice here (if callers cannot be trusted)?

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Let's export these. The struct is a result type. The caller has the ownership of it.

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Done. PTAL. Thank you.

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Diff: https://github.com/kubernetes/kubernetes/compare/26c25744dfbbc52f8746db01b41b608a8d7fadd5..ee2bb1b1b27cb2232c8355ff172b6966b25c4c75

staging/src/k8s.io/apiserver/pkg/admission/plugin/validatingadmissionpolicy/typechecking.go Outdated
Comment on lines 79 to 81
func (r *TypeCheckingResult) Issues() *cel.Issues {
return r.issues
}
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Same here, either export field or make a safe copy?

staging/src/k8s.io/apiserver/pkg/admission/plugin/validatingadmissionpolicy/typechecking.go Outdated
Comment on lines 83 to 74
// Err returns possible error that was encounter during type checking.
func (r *TypeCheckingResult) Err() error {
return r.err
}
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If other fields are exposed, expose this one too?

@jiahuif jiahuif force-pushed the feature/validating-admission-policy/typechecking-expension branch from 26c2574 to ee2bb1b Compare July 11, 2023 18:29
@k8s-ci-robot k8s-ci-robot removed the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Jul 11, 2023
@jiahuif jiahuif force-pushed the feature/validating-admission-policy/typechecking-expension branch 3 times, most recently from d647122 to e655931 Compare July 11, 2023 19:58
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/triage accepted

@k8s-ci-robot k8s-ci-robot added triage/accepted Indicates an issue or PR is ready to be actively worked on. and removed needs-triage Indicates an issue or PR lacks a `triage/foo` label and requires one. labels Jul 11, 2023
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jiahuif commented Jul 11, 2023

/retest

sig storage test flak

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jpbetz commented Jul 11, 2023

/lgtm

@k8s-ci-robot k8s-ci-robot added the lgtm "Looks good to me", indicates that a PR is ready to be merged. label Jul 11, 2023
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LGTM label has been added.

Git tree hash: 3e35e18e7312a548a5227ba5b5ff33a8dd31dc17

@k8s-ci-robot k8s-ci-robot merged commit da89741 into kubernetes:master Jul 11, 2023
@k8s-ci-robot k8s-ci-robot added this to the v1.28 milestone Jul 11, 2023
@jiahuif jiahuif deleted the feature/validating-admission-policy/typechecking-expension branch July 11, 2023 21:23
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jiahuif commented Jul 13, 2023

Thank you all for reviewing!

@cici37 cici37 mentioned this pull request Jul 17, 2023
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approved Indicates a PR has been approved by an approver from all required OWNERS files. area/apiserver cncf-cla: yes Indicates the PR's author has signed the CNCF CLA. kind/feature Categorizes issue or PR as related to a new feature. lgtm "Looks good to me", indicates that a PR is ready to be merged. needs-priority Indicates a PR lacks a `priority/foo` label and requires one. release-note Denotes a PR that will be considered when it comes time to generate release notes. sig/api-machinery Categorizes an issue or PR as relevant to SIG API Machinery. size/L Denotes a PR that changes 100-499 lines, ignoring generated files. triage/accepted Indicates an issue or PR is ready to be actively worked on.
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