✨ feat(render): resolve system-managed install namespace from bundle metadata by nader-ziada · Pull Request #2925 · operator-framework/operator-controller · GitHub

Description

Derive the install namespace from the bundle's CSV rather than requiring the caller to supply one. Resolution order is the suggested-namespace-template name, then the suggested-namespace annotation, then -system. Package names that are not usable DNS1123 labels are normalized and given a short hash suffix so distinct packages cannot collide on one namespace.

First of three PRs splitting #2825. This one is rukpak/render only. applier in PR 2, API/docs/e2e in PR 3.

summary:

New: render/namespace.go
Resolves an install namespace from the bundle's CSV. Order: suggested-namespace-template name → suggested-namespace → -system. If the package name isn't a usable DNS1123 label (dots, too long), it's normalized and gets a short hash appended so two packages can't land on the same namespace. Also BuildNamespaceObject, which builds the Namespace with labels/annotations from the template and strips empty spec/status.
render/render.go
Three new Options fields (SelfManagedInstallNamespace, InstallNamespaceLabels, InstallNamespaceAnnotations) and a WithSelfManagedInstallNamespace(ns) option. Render() loses its positional installNamespace argument — callers pass the option instead. If the option isn't set, Render resolves the namespace itself.
generators/generators.go + registryv1.go
New BundleInstallNamespaceGenerator emits the Namespace object, registered first in the generator list. Returns nil when the caller used WithSelfManagedInstallNamespace.
applier/provider.go
Two lines: add the option, drop the positional arg. Always passes the option, so nothing changes.
test/regression/convert/generate-manifests.go
Same caller update. Namespaces there are hardcoded, so no change.

Net effect: the renderer can resolve and emit a namespace, but nothing asks it to yet.

Reviewer Checklist

API Go Documentation
Tests: Unit Tests (and E2E Tests, if appropriate)
Comprehensive Commit Messages
Links to related GitHub Issue(s)

Summary by CodeRabbit

New Features
- Added automatic installation namespace management for bundles.
- Namespace names can be derived from suggested metadata, with validated deterministic fallbacks.
- Generated installation namespaces preserve configured labels and annotations.
- Bundles can manage their own installation namespace; the renderer does not create one in this mode.
- Namespaced resources are consistently assigned to the resolved installation namespace.
Bug Fixes
- Invalid or unsuitable namespace names are now rejected or normalized to safe deterministic alternatives.

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📒 Files selected for processing (3)

internal/operator-controller/rukpak/render/namespace.go
internal/operator-controller/rukpak/render/namespace_test.go
internal/operator-controller/rukpak/render/registryv1/generators/generators.go

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📝 Walkthrough

Walkthrough

Changes

Install namespace rendering

Layer / File(s)	Summary
Namespace resolution and object construction internal/operator-controller/rukpak/render/namespace.go, internal/operator-controller/rukpak/render/namespace_test.go	The renderer resolves namespaces from CSV metadata or deterministic package-name fallbacks. It validates names and builds Namespace objects with metadata.
Renderer namespace modes internal/operator-controller/rukpak/render/render.go, internal/operator-controller/rukpak/render/registryv1/*	Render options now support self-managed namespaces and metadata for system-managed namespaces. The registry v1 generator emits the Namespace only in system-managed mode.
Caller API migration and regression coverage internal/operator-controller/applier/provider.go, internal/operator-controller/rukpak/render/render_test.go, internal/operator-controller/rukpak/render/registryv1/registryv1_test.go, test/regression/convert/generate-manifests.go	Callers pass install namespaces through WithSelfManagedInstallNamespace. Tests cover the updated API and system-managed namespace propagation.

Priority: ⬇️ Low

Estimated code review effort: 3 (Moderate) | ~25 minutes

Change: Feature

Sequence Diagram(s)

sequenceDiagram
  participant BundleRenderer
  participant NamespaceHelpers
  participant ResourceGenerators
  participant NamespaceObject
  BundleRenderer->>NamespaceHelpers: Resolve system-managed namespace
  NamespaceHelpers-->>BundleRenderer: Return name and template metadata
  BundleRenderer->>ResourceGenerators: Generate resources with namespace options
  ResourceGenerators->>NamespaceObject: Build Namespace object
  NamespaceObject-->>ResourceGenerators: Return Namespace resource

Merge Risk: 🔵 Low · up to ff40c

A bundle with malformed namespace-template metadata can fail when its generated Namespace is applied. This is limited to invalid bundle inputs, but validating it earlier would make installation failures clearer.

🚥 Pre-merge checks | ✅ 4 | ❌ 1

❌ Failed checks (1 warning)

Check name	Status	Explanation	Resolution
Docstring Coverage	⚠️ Warning	Docstring coverage is 18.18% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 33 functions across 10 files.	Write docstrings for the functions missing them to satisfy the coverage threshold.

✅ Passed checks (4 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title clearly and concisely describes the main change: resolving the system-managed install namespace from bundle metadata.
Description check	✅ Passed	The description explains the motivation, namespace resolution order, API changes, generated Namespace behavior, caller updates, and test scope. It includes the required sections. The reviewer checklis…
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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Inline comments:
In `@internal/operator-controller/rukpak/render/namespace.go`:
- Around line 158-161: Update BuildNamespaceObject to validate the completed
Namespace ObjectMeta using Kubernetes metadata validation helpers after
assigning labels and annotations, and return any validation errors from the
renderer before producing the rendered object.

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📥 Commits

Reviewing files that changed from the base of the PR and between f75f2b5 and 853f5d6.

📒 Files selected for processing (10)

internal/operator-controller/applier/provider.go
internal/operator-controller/rukpak/render/namespace.go
internal/operator-controller/rukpak/render/namespace_test.go
internal/operator-controller/rukpak/render/registryv1/generators/generators.go
internal/operator-controller/rukpak/render/registryv1/generators/generators_test.go
internal/operator-controller/rukpak/render/registryv1/registryv1.go
internal/operator-controller/rukpak/render/registryv1/registryv1_test.go
internal/operator-controller/rukpak/render/render.go
internal/operator-controller/rukpak/render/render_test.go
test/regression/convert/generate-manifests.go

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…tadata Derive the install namespace from the bundle's CSV rather than requiring the caller to supply one. Resolution order is the suggested-namespace-template name, then the suggested-namespace annotation, then <packageName>-system. Package names that are not usable DNS1123 labels are normalized and given a short hash suffix so distinct packages cannot collide on one namespace. Signed-off-by: Nader Ziada <nziada@redhat.com>

nice! thank you ^^

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This pull-request has been approved by: perdasilva

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openshift-ci Bot requested review from fgiudici and grokspawn September 16, 2026 16:06

openshift-ci Bot requested review from joelanford and perdasilva September 16, 2026 16:07

nader-ziada mentioned this pull request Sep 16, 2026

⚠ make spec.namespace optional with managed namespace support and PSA support #2825

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nader-ziada force-pushed the feat/render-managed-namespace branch from 853f5d6 to ff40cfb Compare September 16, 2026 20:30

perdasilva approved these changes Sep 17, 2026

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openshift-merge-bot Bot merged commit 0fb9219 into operator-framework:main Sep 17, 2026
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✨ feat(render): resolve system-managed install namespace from bundle metadata by nader-ziada · Pull Request #2925 · operator-framework/operator-controller · GitHub

✨ feat(render): resolve system-managed install namespace from bundle metadata - #2925

✨ feat(render): resolve system-managed install namespace from bundle metadata#2925
openshift-merge-bot[bot] merged 1 commit into
operator-framework:mainfrom
nader-ziada:feat/render-managed-namespace

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✨ feat(render): resolve system-managed install namespace from bundle metadata by nader-ziada · Pull Request #2925 · operator-framework/operator-controller · GitHub

✨ feat(render): resolve system-managed install namespace from bundle metadata - #2925

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