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ovn-kubernetes: Remove EVPN feature gate (OCPBUGS-105402) - #3137

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dasanind:OCPBUGS-105402

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@dasanind

@dasanind dasanind commented Aug 24, 2026

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chore: OCPBUGS-105402: Remove EVPN feature gate

Why

Graduate EVPN from feature-gated to GA, making it always available for user-defined networks.

What

Remove EVPN feature gate by:

  1. CRD (001-crd.yaml): Remove template conditionals, keep all EVPN fields (evpn, transport, VTEP CRD, validation rules)
  2. RBAC: Remove conditionals, keep VTEP permissions
  3. Runtime: Always set --enable-evpn flag in ovnkube-control-plane
  4. Go code: Remove feature gate references from ovn_kubernetes.go
  5. Tests: Update object counts (+1 for VTEP CRD always rendered)
  6. Documentation: Add docs/evpn.md with configuration examples and upgrade guidance

User-Facing Changes

  • Before: EVPN required feature gate enablement
  • After: EVPN always available for CUDNs
  • Impact: No breaking changes; upgrade-safe (more permissive)

Testing

Unit Tests

Coverage:

  • pkg/network/ovn_kubernetes_test.go - Verify EVPN CRD fields always rendered
  • ✅ Object count tests verify VTEP CRD always present
  • ✅ RBAC rendering tests verify permissions always deployed

CI Job:

  • Required: ci/prow/unit - All unit tests must pass

Integration/Upgrade Tests

Optional CI Jobs:

  • ci/prow/5.1-upgrade-from-stable-5.0-e2e-aws-ovn-upgrade - AWS upgrade validation
  • ci/prow/5.1-upgrade-from-stable-5.0-e2e-gcp-ovn-upgrade - GCP upgrade validation
  • ci/prow/5.1-upgrade-from-stable-5.0-e2e-azure-ovn-upgrade - Azure upgrade validation
  • ci/prow/e2e-metal-ipi-ovn-secondary-encap - Bare metal validation

These verify:

  • Clusters upgrade safely from feature-gated to GA EVPN
  • CRD schema expansion doesn't break existing resources
  • VTEP CRD deployment during upgrade
  • Backward compatibility

How to verify it

Why New E2E Tests Are Not Required

This PR removes a feature gate to make EVPN generally available. New E2E tests are not needed because:

  1. Not New Functionality: This change doesn't add new EVPN behavior. It only removes the gating mechanism, making existing EVPN functionality always available.

  2. Existing Test Coverage: EVPN functionality itself is tested by:

    • Upstream OVN-Kubernetes EVPN tests
    • OpenShift E2E test suite (if EVPN tests exist there)
    • The behavior being tested is the same; only the enablement mechanism changed
  3. Unit Tests Verify Rendering: The critical change (always rendering EVPN CRDs/RBAC) is verified by unit tests in ovn_kubernetes_test.go

  4. Upgrade Tests Verify Compatibility: CI upgrade jobs verify safe migration from feature-gated to GA

  5. More Permissive Change: Making a feature always-available is safer than adding new behavior - it can't break existing non-EVPN configurations

Verification Plan

Automated Verification (CI):

  • ✅ Unit tests confirm EVPN fields always present in rendered manifests
  • ✅ Unit tests confirm VTEP CRD always rendered
  • ✅ Upgrade tests confirm clusters upgrade safely
  • ✅ Build tests confirm --enable-evpn flag always passed

Manual Verification Steps:

  1. Deploy a cluster with this change
  2. Verify CRD schema includes EVPN fields:
    kubectl get crd userdefinednetworks.k8s.ovn.org -o yaml | grep -A5 evpn
  3. Verify VTEP CRD is deployed:
    kubectl get crd vteps.k8s.ovn.org
  4. Create a UserDefinedNetwork with EVPN transport (using examples from docs/evpn.md)
  5. Verify ovnkube-control-plane has --enable-evpn flag:
    kubectl get deployment -n openshift-ovn-kubernetes ovnkube-control-plane -o yaml | grep enable-evpn

Platforms Covered:

  • AWS (via ci/prow upgrade tests)
  • GCP (via ci/prow upgrade tests)
  • Azure (via ci/prow upgrade tests)
  • Bare metal (via ci/prow secondary-encap test)

Test Results

  • Local: Unit tests pass, build succeeds
  • CI: Waiting for ci/prow/unit (required), upgrade tests (optional)

Files Modified (8)

CRD, RBAC (x2), shell scripts (x3), tests, docs

Depends-On: openshift/api#3003

@openshift-merge-bot

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Pipeline controller notification
This repo is configured to use the pipeline controller. Second-stage tests will be triggered either automatically or after lgtm label is added, depending on the repository configuration. The pipeline controller will automatically detect which contexts are required and will utilize /test Prow commands to trigger the second stage.

For optional jobs, comment /test ? to see a list of all defined jobs. To trigger manually all jobs from second stage use /pipeline required command.

This repository is configured in: LGTM mode

@openshift-ci-robot openshift-ci-robot added jira/valid-reference Indicates that this PR references a valid Jira ticket of any type. jira/valid-bug Indicates that a referenced Jira bug is valid for the branch this PR is targeting. labels Aug 24, 2026
@openshift-ci-robot

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@dasanind: This pull request references Jira Issue OCPBUGS-105402, which is valid. The bug has been moved to the POST state.

3 validation(s) were run on this bug
  • bug is open, matching expected state (open)
  • bug target version (5.1.0) matches configured target version for branch (5.1.0)
  • bug is in the state New, which is one of the valid states (NEW, ASSIGNED, POST)

No GitHub users were found matching the public email listed for the QA contact in Jira (core-networking-bot@redhat.com), skipping review request.

The bug has been updated to refer to the pull request using the external bug tracker.

Details

In response to this:

chore: OCPBUGS-105402: Remove EVPN feature gate

The EVPN feature gate has been enabled by default and is no longer
needed. This change removes all references to FeatureGateEVPN from
the cluster-network-operator codebase.

Changes include:

  • Remove OVN_EVPN_ENABLE_API and OVN_EVPN_ENABLE template variables
    from pkg/network/ovn_kubernetes.go
  • Remove EVPN CRD fields that were conditionally rendered based on
    OVN_EVPN_ENABLE_API template variable from 001-crd.yaml
  • Remove VTEP CRD and RBAC permissions that were conditionally
    rendered based on OVN_EVPN_ENABLE template variable
  • Remove FeatureGateEVPN from test feature gate configurations
  • Remove EVPN enable flag logic from OVN shell scripts
  • Update go.mod to reference openshift/api with EVPN gate removed PENDING (merge of the openshift/api PR)

Depends-On: openshift/api#3003

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

@coderabbitai

coderabbitai Bot commented Aug 24, 2026

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No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info
⚙️ Run configuration

Configuration used: Repository YAML (base), Central YAML (inherited)

Review profile: CHILL

Plan: Advanced

Run ID: 2930f11e-0a6c-47ec-be13-ab51df30b33e

📥 Commits

Reviewing files that changed from the base of the PR and between 61de77e and 538f846.

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  • bindata/network/ovn-kubernetes/self-hosted/ovnkube-control-plane.yaml
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  • pkg/network/ovn_kubernetes.go
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Summary by CodeRabbit

  • New Features
    • EVPN is now generally available for user-defined networks and no longer depends on a feature gate. EVPN remains opt-in for each network; the default transport is unchanged.
    • EVPN network fields, validation, and supporting VTEP resources are consistently available across deployments.
  • Changes
    • Control-plane startup now enables EVPN, and the required access permissions are consistently applied. Upgrades may restart control-plane pods; single-replica deployments may experience a brief availability gap.
  • Documentation
    • Added EVPN configuration, validation, compatibility, and upgrade guidance.

Walkthrough

EVPN feature-gate handling is removed from rendering. EVPN CRD fields, validations, the VTEP CRD, and related RBAC are included unconditionally. OVN startup commands always receive --enable-evpn. Rendering tests and EVPN documentation are updated.

Changes

EVPN availability

Layer / File(s) Summary
Unconditional EVPN API resources
bindata/network/ovn-kubernetes/common/001-crd.yaml, go.mod
The CUDN EVPN and transport fields, validation rules, and VTEP CRD are no longer conditional. The github.com/openshift/api dependency is updated.
Runtime rendering and startup enablement
pkg/network/ovn_kubernetes.go, bindata/network/ovn-kubernetes/common/002-rbac-node.yaml, bindata/network/ovn-kubernetes/common/004-rbac-control-plane.yaml, bindata/network/ovn-kubernetes/common/008-script-lib.yaml, bindata/network/ovn-kubernetes/managed/ovnkube-control-plane.yaml, bindata/network/ovn-kubernetes/self-hosted/ovnkube-control-plane.yaml
Rendering no longer emits EVPN gate variables. VTEP RBAC rules apply unconditionally, and startup commands always pass --enable-evpn.
Rendering tests and documentation
pkg/network/ovn_kubernetes_test.go, docs/evpn.md
Tests remove EVPN feature-gate setup and update rendered object counts. The new documentation describes the API, validation rules, upgrade considerations, and compatibility.

Priority: ➖ Normal

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

Change: Feature

Merge Risk: ⚪ Minimal · up to 538f8

EVPN enablement is consistently rendered without the removed feature gate, with no concrete merge-blocking issue identified.

🚥 Pre-merge checks | ✅ 22 | ❌ 2

❌ Failed checks (2 warnings)

Check name Status Explanation Resolution
Docstring Coverage ⚠️ Warning Docstring coverage is 20.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 5 functions across 1 files. (5 skipped: 5… Write docstrings for the functions missing them to satisfy the coverage threshold.
Rbac Least Privilege ⚠️ Warning The PR changes RBAC behavior in bindata/network/ovn-kubernetes/common/004-rbac-control-plane.yaml by removing the OVN_EVPN_ENABLE conditional. The vteps rule therefore becomes unconditional and … Add an explicit author explanation for the update and patch permissions, such as stating that the ovnkube control plane reconciles VTEP objects and their status. Alternatively, remove any mutation verbs that the control plane does not r…
✅ Passed checks (22 passed)
Check name Status Explanation
Title check ✅ Passed The title uses the imperative verb "Remove," includes the affected component, describes the main change, and is 57 characters long.
Description check ✅ Passed The description clearly explains removal of the EVPN feature gate, the affected CRDs, RBAC, runtime flags, tests, documentation, and verification plan.
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.
Pr Quality ✅ Passed The PR description contains clear Why and What sections, automated CI coverage (ci/prow/unit plus AWS, GCP, Azure, and bare-metal upgrade jobs), user impact, and upgrade considerations. It includes …
Commit Message Quality ✅ Passed The PR contains one logical, self-contained EVPN graduation commit. Its subject is concise, scoped with ovn-kubernetes:, and includes the issue reference. The body explains why EVPN is becoming gene…
Unit Tests For Go Changes ✅ Passed The PR modifies production Go code in pkg/network/ovn_kubernetes.go and six YAML templates under bindata/. It also modifies pkg/network/ovn_kubernetes_test.go in the same PR, including updated f…
E2e Tests For Feature Changes ✅ Passed PASS. The PR modifies pkg/network/ovn_kubernetes.go and removes EVPN render-data assignments, which changes user-facing EVPN availability. No files under test/e2e/ are changed. However, criterion …
Docs For Feature And Behavior Changes ✅ Passed The PR changes user-facing EVPN behavior and adds docs/evpn.md. The documentation covers feature-gate removal, CRD fields and validation, VTEP CRD and RBAC changes, runtime flag behavior, upgrade im…
Stale Project Docs And Config ✅ Passed The PR does not leave scoped project documentation or configuration stale. The PR adds docs/evpn.md, which documents the unconditional EVPN CRD fields, VTEP CRD, RBAC, --enable-evpn behavior, validati…
Go And Test Code Quality ✅ Passed PASS. The non-vendor Go diff only removes EVPN render-data assignments and removes EVPN from test feature-gate lists. The test additions only update expected object counts. No added code uses disallow…
Ai-Generated Code Smell ✅ Passed The changed project code is clean. The functional edits remove conditionals, set the existing EVPN flag directly, and remove obsolete render data. The test diff only removes EVPN gate entries and adju…
Stable And Deterministic Test Names ✅ Passed The pull request does not add or change any Ginkgo test titles. The only changed test file uses standard Go testing and contains no It, Describe, Context, or When declarations. Its changes rem…
Test Structure And Quality ✅ Passed PASS: The pull request changes only standard Go tests in pkg/network/ovn_kubernetes_test.go; the file imports testing and Gomega, but it has no Ginkgo It, BeforeEach, AfterEach, Eventually
Microshift Test Compatibility ✅ Passed No new Ginkgo e2e tests were added. The only changed test file is the existing Go unit test pkg/network/ovn_kubernetes_test.go, which only removes the EVPN feature gate from test setup and updates r…
Single Node Openshift (Sno) Test Compatibility ✅ Passed No new Ginkgo e2e tests were added. The only changed test file is the existing pkg/network/ovn_kubernetes_test.go, which uses standard testing functions and Gomega assertions. The diff adds no `It…
Topology-Aware Scheduling Compatibility ✅ Passed PASS: The PR does not introduce a topology-sensitive scheduling constraint. Its deployment-template changes only replace conditional EVPN flag logic with an unconditional --enable-evpn assignment. T…
Ote Binary Stdout Contract ✅ Passed PASS: The pull request does not add or modify an OTE binary process-level stdout path. The Go changes remove EVPN render-data assignments and adjust tests; the template changes only alter CRD/RBAC con…
Ipv6 And Disconnected Network Test Compatibility ✅ Passed No new Ginkgo e2e tests were added. The only changed test file uses standard Go Test... functions and changes feature-gate lists and expected object counts. The pull request adds no It, Describe
No-Weak-Crypto ✅ Passed The pull-request diff introduces no MD5, SHA-1, DES, 3DES, RC4, Blowfish, or ECB usage. It adds no custom cryptographic implementation or secret/token comparison. The only crypto-related additions are…
Container-Privileges ✅ Passed PASS. The pull-request diff only removes EVPN template gates and makes --enable-evpn unconditional. It does not add privileged: true, hostPID, hostNetwork, hostIPC, SYS_ADMIN, `allowPrivil…
No-Sensitive-Data-In-Logs ✅ Passed No changed code adds logging or prints sensitive values. The runtime changes only set the static --enable-evpn flag. The new documentation contains configuration guidance, not credentials or custome…
Full details: Docstring Coverage

Explanation

Docstring coverage is 20.00% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 5 functions across 1 files. (5 skipped: 5 unsupported.)

Full details: Rbac Least Privilege

Explanation

The PR changes RBAC behavior in bindata/network/ovn-kubernetes/common/004-rbac-control-plane.yaml by removing the OVN_EVPN_ENABLE conditional. The vteps rule therefore becomes unconditional and grants the mutation verbs update and patch; vteps/status also grants patch and update. The resources and verbs are specific, and no wildcard rule was introduced. However, the authored description and docs/evpn.md only state that these permissions are retained or added. They do not explain why control-plane mutation access is needed.

Resolution

Add an explicit author explanation for the update and patch permissions, such as stating that the ovnkube control plane reconciles VTEP objects and their status. Alternatively, remove any mutation verbs that the control plane does not require.

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level=error msg="Running error: context loading failed: failed to load packages: failed to load packages: failed to load with go/packages: err: exit status 1: stderr: go: inconsistent vendoring in :\n\tgithub.com/Masterminds/semver@v1.5.0: is explicitly required in go.mod, but not marked as explicit in vendor/modules.txt\n\tgithub.com/Masterminds/sprig/v3@v3.2.3: is explicitly required in go.mod, but not marked as explicit in vendor/modules.txt\n\tgithub.com/containernetworking/cni@v1.3.0: is explicitly required in go.mod, but not marked as explicit in vendor/modules.txt\n\tgithub.com/ghodss/yaml@v1.0.1-0.20190212211648-25d852aebe32: is explicitly required in go.mod, but not marked as explicit in vendor/modules.txt\n\tgithub.com/go-bindata/go-bindata@v3.1.2+incompatible: is explicitly required in go.mod, but not marked as explicit in vendor/modules.txt\n\tgithub.com/onsi/gomega@v1.40.0: is explicitly required in go.mod, but not marked as explicit in vendor/modules.txt\n\tgithub.com/ope

... [truncated 17689 characters] ...

e0dc3: is explicitly required in go.mod, but not marked as explicit in vendor/modules.txt\n\tk8s.io/kms@v0.36.2: is explicitly required in go.mod, but not marked as explicit in vendor/modules.txt\n\tk8s.io/kube-aggregator@v0.36.2: is explicitly required in go.mod, but not marked as explicit in vendor/modules.txt\n\tk8s.io/streaming@v0.36.2: is explicitly required in go.mod, but not marked as explicit in vendor/modules.txt\n\tsigs.k8s.io/randfill@v1.0.0: is explicitly required in go.mod, but not marked as explicit in vendor/modules.txt\n\tsigs.k8s.io/structured-merge-diff/v6@v6.4.0: is explicitly required in go.mod, but not marked as explicit in vendor/modules.txt\n\n\tTo ignore the vendor directory, use -mod=readonly or -mod=mod.\n\tTo sync the vendor directory, run:\n\t\tgo mod vendor\n"


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[APPROVALNOTIFIER] This PR is NOT APPROVED

This pull-request has been approved by: dasanind
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In `@go.mod`:
- Line 101: Regenerate the vendored dependencies for github.com/openshift/api so
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  • bindata/network/ovn-kubernetes/common/001-crd.yaml
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Comment thread go.mod

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Please let me know if you have any query.

evpn_enable_flag=
if [[ "{{.OVN_EVPN_ENABLE}}" == "true" ]]; then
evpn_enable_flag="--enable-evpn"
fi

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Why are you removing this part? This is used to enable EVPN through CNO.

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This flag OVN_EVPN_ENABLE is no longer populated so changed it to evpn_enable_flag="--enable-evpn". This will work right?

network:
description: Network is the user-defined-network spec
properties:
{{- if .OVN_EVPN_ENABLE_API }}

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Instead of removing EVPN field from the CRD, you should just remove the conditional check in my opinion. Removing this totally would stop us from enabling EVPN for a CUDN.

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Updated it.

- Layer3
- Localnet
type: string
{{- if .OVN_EVPN_ENABLE_API }}

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You should just remove the conditional check, remaining CRD fields should be there.

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Updated it.

forbidden otherwise
rule: 'has(self.topology) && self.topology == ''Localnet'' ? has(self.localnet):
!has(self.localnet)'
{{- if .OVN_EVPN_ENABLE_API }}

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same here.

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Done.

# The VTEP CRD is guarded by OVN_EVPN_ENABLE (feature gate + route advertisements enabled),
# same as RouteAdvertisements and FRRConfigurations CRDs. Once deployed, it won't be removed
# when route advertisements is disabled (see keepCRDs) to prevent data loss.
{{- if .OVN_EVPN_ENABLE }}

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same here.

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Done.

--disable-snat-multiple-gws \
${export_network_flows_flags} \
${route_advertisements_enable_flag} \
${evpn_enable_flag} \

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should not be removed.

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Restored it

evpn_enable_flag=
if [[ "{{.OVN_EVPN_ENABLE}}" == "true" ]]; then
evpn_enable_flag="--enable-evpn"
fi

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should not be removed.

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This flag OVN_EVPN_ENABLE is no longer populated so changed it to evpn_enable_flag="--enable-evpn". This will work right?

${persistent_ips_enabled_flag} \
${multi_network_policy_enabled_flag} \
${route_advertisements_enable_flag} \
${evpn_enable_flag} \

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should not be removed.

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Restored it,

evpn_enable_flag=
if [[ "{{.OVN_EVPN_ENABLE}}" == "true" ]]; then
evpn_enable_flag="--enable-evpn"
fi

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should not be removed.

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This flag OVN_EVPN_ENABLE is no longer populated so changed it to evpn_enable_flag="--enable-evpn". This will work right?

${multi_network_policy_enabled_flag} \
${gateway_mode_flags} \
${route_advertisements_enable_flag} \
${evpn_enable_flag} \

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should not be removed.

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Restored it.

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/test 5.1-upgrade-from-stable-5.0-images

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/test images

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/retest

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/test e2e-metal-ipi-ovn-secondary-encap

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/retest

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/retest

@dasanind
dasanind requested a review from arghosh93 September 22, 2026 14:50
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/retest

@dasanind dasanind changed the title OCPBUGS-105402: Remove EVPN feature gate references ovn-kubernetes: Remove EVPN feature gate (OCPBUGS-105402) Sep 22, 2026
@openshift-ci-robot openshift-ci-robot removed jira/valid-reference Indicates that this PR references a valid Jira ticket of any type. jira/valid-bug Indicates that a referenced Jira bug is valid for the branch this PR is targeting. labels Sep 22, 2026
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@dasanind: No Jira issue is referenced in the title of this pull request.
To reference a jira issue, add 'XYZ-NNN:' to the title of this pull request and request another refresh with /jira refresh.

Details

In response to this:

chore: OCPBUGS-105402: Remove EVPN feature gate

The EVPN feature gate has been enabled by default and is no longer
needed. This change removes all references to FeatureGateEVPN from
the cluster-network-operator codebase.

Changes include:

  • Remove OVN_EVPN_ENABLE_API and OVN_EVPN_ENABLE template variables
    from pkg/network/ovn_kubernetes.go
  • Remove EVPN CRD fields that were conditionally rendered based on
    OVN_EVPN_ENABLE_API template variable from 001-crd.yaml
  • Remove VTEP CRD and RBAC permissions that were conditionally
    rendered based on OVN_EVPN_ENABLE template variable
  • Remove FeatureGateEVPN from test feature gate configurations
  • Remove EVPN enable flag logic from OVN shell scripts
  • Update go.mod to reference openshift/api with EVPN gate removed PENDING (merge of the openshift/api PR)

Depends-On: openshift/api#3003

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the openshift-eng/jira-lifecycle-plugin repository.

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Inline comments:
In `@docs/evpn.md`:
- Around line 124-129: Update the EVPN documentation section to state that
primary-CUDN EVPN requires the Route Advertisements feature, removing the claim
that it works independently or without route advertisements. Document the
required FRRConfiguration, VTEP, and RouteAdvertisements resources, and clarify
that --enable-evpn does not replace this setup.
- Line 114: Update the upgrade documentation’s “No Downtime” statement to
qualify availability: state that existing network configuration remains
unchanged, while control-plane availability may be temporarily reduced during
the ovnkube-control-plane rollout. Do not claim uninterrupted operation.
- Around line 26-33: The EVPN documentation examples use the wrong API shape and
omit required fields. Rewrite both examples to use ClusterUserDefinedNetwork
with spec.network.transport and spec.network.evpn, include namespaceSelector,
provide an evpn.vtep reference, and add the required VNI values including
evpn.ipVRF.vni for Layer 3.
- Line 151: Replace the obsolete OVN-Kubernetes EVPN documentation URL in the
EVPN documentation link with the maintained ovn-kubernetes.io EVPN page,
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In `@docs/evpn.md`:
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Actionable comments posted: 5


  • 🪄 Fix CodeRabbit comments on this PR
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Inline comments:
In `@docs/evpn.md`:
- Line 69: Add spec.namespaceSelector as an empty selector to the spec sections
of both the Layer 3 and Layer 2 ClusterUserDefinedNetwork examples, placing it
alongside the existing network field.
- Around line 153-164: Update the Network CR example to declare FRR under
spec.additionalRoutingCapabilities.providers before enabling routeAdvertisements
in the defaultNetwork. Preserve the existing routeAdvertisements setting and do
not add unrelated gateway settings such as routingViaHost or ipForwarding.
- Around line 171-175: Update the FRRConfiguration example to use apiVersion
frrk8s.metallb.io/v1beta1 and namespace openshift-frr-k8s. Add matching labels
to its metadata, then configure the RouteAdvertisements frrConfigurationSelector
to select those labels.
- Around line 191-198: Update the VTEP example to use spec.mode Unmanaged and a
required IPv4 cidrs entry covering the primary VTEP address on each
participating node; remove the unsupported endpoints and ip fields. Do not
document IPv6 addresses for this EVPN flow.
- Around line 205-214: Complete the RouteAdvertisements EVPN example by setting
targetVRF to auto, using string advertisement values such as PodNetwork, and
adding the required nodeSelector, frrConfigurationSelector, and networkSelectors
fields. Apply matching labels to the related FRRConfiguration and CUDN examples
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Actionable comments posted: 2


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Inline comments:
In `@docs/evpn.md`:
- Line 121: Update the Layer 2 subnets example in the EVPN documentation to use
an array of CIDR strings directly, replacing the object with the cidr field
while preserving the existing CIDR value.
- Around line 247-249: Update the PodNetwork RouteAdvertisements example to use
an empty nodeSelector object instead of the worker-only matchLabels selector,
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  • vendor/github.com/openshift/api/operator/v1/zz_generated.crd-manifests/0000_30_openshift-apiserver_01_openshiftapiservers-DevPreviewNoUpgrade.crd.yaml is excluded by !vendor/**, !**/vendor/**
  • vendor/github.com/openshift/api/operator/v1/zz_generated.crd-manifests/0000_30_openshift-apiserver_01_openshiftapiservers-TechPreviewNoUpgrade.crd.yaml is excluded by !vendor/**, !**/vendor/**
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  • docs/evpn.md

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@dasanind

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coderabbitai Bot commented Sep 22, 2026

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Pre-merge checks failed. Please resolve the failing checks before merging.

Graduate EVPN (Ethernet VPN) from TechPreview to General Availability
by removing the feature gate and making EVPN functionality always
available for user-defined networks.

EVPN has been sufficiently tested and validated for production use.
This change removes gating while preserving all EVPN functionality,
ensuring existing configurations continue to work unchanged.

Implementation:
- Remove {{- if .OVN_EVPN_ENABLE_API }} and {{- if .OVN_EVPN_ENABLE }}
  template conditionals from CRD, RBAC, and shell script files
- Preserve all EVPN CRD fields (evpn, transport, validation rules)
- Always deploy VTEP CRD and RBAC permissions
- Always pass --enable-evpn flag to ovnkube-control-plane
- Remove feature gate references from ovn_kubernetes.go
- Update unit test expectations (+1 object for always-present VTEP CRD)
- Add docs/evpn.md documenting GA status, configuration examples,
  upgrade considerations, and behavioral changes
- Update github.com/openshift/api dependency to latest version

User Impact:
- EVPN fields are now always present in UserDefinedNetwork CRD schema
- VTEP CRD is always deployed
- No breaking changes; existing networks continue to function
- Safe upgrade path from feature-gated to GA EVPN

Signed-off-by: Anindita Das <anidas@redhat.com>
@dasanind

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⚠️ Action not completed

Already reviewed the last commit. Use @coderabbitai full review to rerun a review of the entire changeset.

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@dasanind: The following tests failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name Commit Details Required Rerun command
ci/prow/5.1-upgrade-from-stable-5.0-e2e-azure-ovn-upgrade 538f846 link false /test 5.1-upgrade-from-stable-5.0-e2e-azure-ovn-upgrade
ci/prow/5.1-upgrade-from-stable-5.0-e2e-gcp-ovn-upgrade 538f846 link false /test 5.1-upgrade-from-stable-5.0-e2e-gcp-ovn-upgrade
ci/prow/5.1-upgrade-from-stable-5.0-e2e-aws-ovn-upgrade 538f846 link false /test 5.1-upgrade-from-stable-5.0-e2e-aws-ovn-upgrade
ci/prow/e2e-metal-ipi-ovn-secondary-encap 538f846 link false /test e2e-metal-ipi-ovn-secondary-encap

Full PR test history. Your PR dashboard.

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3 participants