✨ Make RBACPreAuthorizer collection verbs configurable

[perdasilva]

Summary

• Make clusterCollectionVerbs and namespacedCollectionVerbs on RBACPreAuthorizer configurable via WithClusterCollectionVerbs and WithNamespacedCollectionVerbs functional options, decoupling them from hardcoded verbs that were tightly coupled to contentmanager
• Both the helm and boxcutter appliers explicitly configure namespacedCollectionVerbs with create
• The helm applier's preauthorizer additionally configures clusterCollectionVerbs with list and watch (required by contentmanager)
• The boxcutter applier's preauthorizer uses no cluster collection verbs
• Updates unit tests for both configurable options

Closes#1911

Motivation

In Boxcutter, watching is done with the controller's service account which includes list/watch permissions across the cluster. Therefore, they are not required by the clusterextension's nominated service account. Once we fully switch to Boxcutter the option can be dropped entirely.

Making namespacedCollectionVerbs configurable follows the same pattern, allowing appliers to explicitly declare their requirements rather than relying on hidden defaults.

Test plan

• Existing unit tests updated and passing
• New unit tests for WithNamespacedCollectionVerbs option
• New unit tests for WithClusterCollectionVerbs option
• Update e2e tests with boxcutter rbac template without list/watch verbs on bundle resources

🤖 Generated with Claude Code

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[Copilot]

Pull request overview

This PR decouples RBACPreAuthorizer from component-specific cluster-scoped permission requirements by making clusterCollectionVerbs configurable via a functional option, allowing different appliers to request different RBAC checks.

Changes:

• Added WithClusterCollectionVerbs(...) option and plumbed configurable cluster-scoped collection verbs through pre-authorization attribute generation.
• Updated unit tests to construct the pre-authorizer with explicit list/watch cluster collection verbs.
• Configured the helm reconciler’s pre-authorizer to include cluster-scoped list/watch checks.

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 2 comments.

File	Description
internal/operator-controller/authorization/rbac.go	Introduces functional option + stores cluster collection verbs on the pre-authorizer; passes verbs into attribute generation.
internal/operator-controller/authorization/rbac_test.go	Updates pre-authorizer construction to include configured cluster collection verbs.
cmd/operator-controller/main.go	Configures helm reconciler to require cluster-scoped list/watch checks.

Comments suppressed due to low confidence (1)

internal/operator-controller/authorization/rbac.go:342

• This capacity estimate comment is now stale: it says len(clusterCollectionVerbs) records (2), but clusterCollectionVerbs is configurable and may be 0 or any other length. Update the comment to avoid hardcoding 2 (or clarify it as an example for list/watch).

	// Calculate initial capacity as an upper-bound estimate:
// - For each key: len(objectVerbs) records (4)
// - For unique namespaces: len(namespacedCollectionVerbs) records (1 per unique namespace across all keys in a GVR)
// We use totalKeys as upper bound (worst case: each key in different namespace)
// - For each GVR: len(clusterCollectionVerbs) records (2)
totalKeys := 0

---

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[Copilot]

Pull request overview

Copilot reviewed 3 out of 3 changed files in this pull request and generated 1 comment.

Comments suppressed due to low confidence (1)

internal/operator-controller/authorization/rbac.go:342

• The capacity-estimation comment still hardcodes "(2)" cluster-scoped records per GVR, but clusterCollectionVerbs is now configurable. Update the comment to avoid implying a fixed count (e.g., remove "(2)" or describe it generically).

	// Calculate initial capacity as an upper-bound estimate:
// - For each key: len(objectVerbs) records (4)
// - For unique namespaces: len(namespacedCollectionVerbs) records (1 per unique namespace across all keys in a GVR)
// We use totalKeys as upper bound (worst case: each key in different namespace)
// - For each GVR: len(clusterCollectionVerbs) records (2)
totalKeys := 0

---

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[codecov]

Codecov Report

❌ Patch coverage is 72.22222% with 5 lines in your changes missing coverage. Please review.
✅ Project coverage is 68.61%. Comparing base (ac1fdfd) to head (6b23a34).
⚠️ Report is 5 commits behind head on main.

Files with missing lines	Patch %	Lines
cmd/operator-controller/main.go	0.00%	5 Missing ⚠️

Additional details and impacted files

@@ Coverage Diff @@## main #2539 +/- ##
==========================================
+ Coverage 64.25% 68.61% +4.36% 
==========================================
Files 131 131 Lines 9288 9301 +13 ==========================================
+ Hits 5968 6382 +414 + Misses 2849 2435 -414 - Partials 471 484 +13 

Flag	Coverage Δ
e2e	42.55% <0.00%> (+0.18%)	⬆️
experimental-e2e	51.54% <27.77%> (+39.75%)	⬆️
unit	53.73% <72.22%> (+0.02%)	⬆️

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[perdasilva]

/hold updating e2es

[Copilot]

Pull request overview

Copilot reviewed 5 out of 5 changed files in this pull request and generated no new comments.

Comments suppressed due to low confidence (1)

internal/operator-controller/authorization/rbac.go:342

• The capacity-estimation comment says "len(clusterCollectionVerbs) records (2)", but clusterCollectionVerbs is now configurable and may be 0 or any length. Update the comment to avoid implying a fixed value (or remove the parenthetical).

	// Calculate initial capacity as an upper-bound estimate:
// - For each key: len(objectVerbs) records (4)
// - For unique namespaces: len(namespacedCollectionVerbs) records (1 per unique namespace across all keys in a GVR)
// We use totalKeys as upper bound (worst case: each key in different namespace)
// - For each GVR: len(clusterCollectionVerbs) records (2)
totalKeys := 0

---

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[pedjak]

/lgtm

[Copilot]

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[Copilot]

Pull request overview

Copilot reviewed 7 out of 7 changed files in this pull request and generated 2 comments.

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[Copilot]

Pull request overview

Copilot reviewed 7 out of 7 changed files in this pull request and generated 5 comments.

Comments suppressed due to low confidence (1)

internal/operator-controller/authorization/rbac.go:349

• The capacity-estimation comment hardcodes assumptions that no longer hold now that collection verbs are configurable (e.g., it says len(clusterCollectionVerbs) records "(2)"). Update the comment to describe this generically so it stays correct when callers configure different verb counts.

	// Calculate initial capacity as an upper-bound estimate:
// - For each key: len(objectVerbs) records (4)
// - For unique namespaces: len(namespacedCollectionVerbs) records (1 per unique namespace across all keys in a GVR)
// We use totalKeys as upper bound (worst case: each key in different namespace)
// - For each GVR: len(clusterCollectionVerbs) records (2)
totalKeys := 0

---

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[Copilot]

Pull request overview

Copilot reviewed 7 out of 7 changed files in this pull request and generated 1 comment.

Comments suppressed due to low confidence (1)

internal/operator-controller/authorization/rbac.go:349

• The capacity-estimation comment hardcodes "(2)" cluster collection verb records, but clusterCollectionVerbs is now configurable and can be 0..N. Update the comment to avoid implying a fixed size (or derive it directly from len(clusterCollectionVerbs)).

	// Calculate initial capacity as an upper-bound estimate:
// - For each key: len(objectVerbs) records (4)
// - For unique namespaces: len(namespacedCollectionVerbs) records (1 per unique namespace across all keys in a GVR)
// We use totalKeys as upper bound (worst case: each key in different namespace)
// - For each GVR: len(clusterCollectionVerbs) records (2)
totalKeys := 0

---

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[perdasilva]

/unhold

[joelanford]

/approve

[camilamacedo86]

/approved

Great 🥇

[camilamacedo86]

/lgtm

[openshift-ci]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: camilamacedo86, joelanford

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