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NE-2217: Add haproxyOCPVersion in IngressController API #2895

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NE-2217: Add haproxyOCPVersion in IngressController API #2895

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14 changes: 14 additions & 0 deletions openapi/generated_openapi/zz_generated.openapi.go
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62 changes: 62 additions & 0 deletions operator/v1/types_ingresscontroller.go
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Original file line number Diff line number Diff line change
Expand Up @@ -385,6 +385,42 @@ type IngressControllerSpec struct {
// +kubebuilder:default:="Continue"
// +default="Continue"
ClosedClientConnectionPolicy IngressControllerClosedClientConnectionPolicy `json:"closedClientConnectionPolicy,omitempty"`

// haproxyOCPVersion specifies the OCP release whose default HAProxy version
// should be applied to this IngressController.
//
// For example, selecting "5.0" will configure the IngressController to use
// the default HAProxy version shipped with OCP 5.0.
//
// Valid values depend on the current OpenShift release:
// - Unset (default): Use the default HAProxy version from the current
// OpenShift release (the most recent version available)
// - "X.Y": Use the default HAProxy version from OpenShift release X.Y
//
// OpenShift releases that introduce a new HAProxy minor version become available
// as pinnable versions in subsequent OpenShift releases, providing a smooth
// migration path for administrators who want to defer HAProxy upgrades.
//
// Releases that introduce a new HAProxy minor version support three values:
// unset (latest), the current version (to pin), and the previous pinnable
// version. For example, OCP 5.0 introduces HAProxy 3.2, making "5.0" pinnable
// until the next OpenShift release introducing a new HAProxy minor version
// (inclusive). Unset and the current version use the same HAProxy image;
// specifying the current version explicitly pins the version during cluster
// upgrades.
//
// Releases that do not introduce a new HAProxy minor version support two values:
// unset (latest) and the previous pinnable version. For example, OCP 5.1 remains
// on HAProxy 3.2 (same minor as 5.0), so it supports unset and "5.0" only.
//
// If a specific OCP version is set and would become unsupported in a target
// cluster upgrade, the ingress ClusterOperator's Upgradeable condition will
// be set to False, blocking the cluster upgrade until this field is updated
// to unset or a supported version.
//
// +optional
// +openshift:enable:FeatureGate=IngressControllerMultipleHAProxyVersions

@jcmoraisjr jcmoraisjr Jun 19, 2026

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Rebase after merging EP and #2852

HAProxyOCPVersion OCPVersion `json:"haproxyOCPVersion,omitempty"`
}

// httpCompressionPolicy turns on compression for the specified MIME types.
Expand Down Expand Up @@ -2218,6 +2254,23 @@ type IngressControllerStatus struct {
// routeSelector is the actual routeSelector in use.
// +optional
RouteSelector *metav1.LabelSelector `json:"routeSelector,omitempty"`

// effectiveHAProxyOCPVersion reports the OCP release whose default HAProxy
// version is currently in use by this IngressController. This reflects the
// resolved value of the spec.haproxyOCPVersion field. When omitted, the
// effective value has not yet been resolved by the operator or the feature
// is not enabled for this cluster.
//
// Examples:
// - "5.0": Using the default HAProxy version from OpenShift 5.0
// - "4.22": Using the default HAProxy version from OpenShift 4.22
//
// The actual HAProxy binary version number is available through HAProxy's
// own metrics.
//
// +optional
// +openshift:enable:FeatureGate=IngressControllerMultipleHAProxyVersions
EffectiveHAProxyOCPVersion OCPVersion `json:"effectiveHAProxyOCPVersion,omitempty"`
}

// +k8s:deepcopy-gen:interfaces=k8s.io/apimachinery/pkg/runtime.Object
Expand Down Expand Up @@ -2286,3 +2339,12 @@ const (
// server's response regardless of the client having closed the connection.
IngressControllerClosedClientConnectionPolicyContinue IngressControllerClosedClientConnectionPolicy = "Continue"
)

// OCPVersion represents an OpenShift release version in "X.Y" format.
// The value must be between 3 and 8 characters long. It must contain
// only digits and a single dot separator (for example, "4.22").
//
// +kubebuilder:validation:MinLength=3
// +kubebuilder:validation:MaxLength=8
// +kubebuilder:validation:XValidation:rule="self.matches(r'^[0-9]+\\.[0-9]+$')",message="OCPVersion must be in X.Y format with only digits and a single dot (for example, '4.22')"
type OCPVersion string
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61 changes: 61 additions & 0 deletions ...zz_generated.crd-manifests/0000_50_ingress_00_ingresscontrollers-CustomNoUpgrade.crd.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -892,6 +892,46 @@ spec:
required:
- type
type: object
haproxyOCPVersion:
description: |-
haproxyOCPVersion specifies the OCP release whose default HAProxy version
should be applied to this IngressController.

For example, selecting "5.0" will configure the IngressController to use
the default HAProxy version shipped with OCP 5.0.

Valid values depend on the current OpenShift release:
- Unset (default): Use the default HAProxy version from the current
OpenShift release (the most recent version available)
- "X.Y": Use the default HAProxy version from OpenShift release X.Y

OpenShift releases that introduce a new HAProxy minor version become available
as pinnable versions in subsequent OpenShift releases, providing a smooth
migration path for administrators who want to defer HAProxy upgrades.

Releases that introduce a new HAProxy minor version support three values:
unset (latest), the current version (to pin), and the previous pinnable
version. For example, OCP 5.0 introduces HAProxy 3.2, making "5.0" pinnable
until the next OpenShift release introducing a new HAProxy minor version
(inclusive). Unset and the current version use the same HAProxy image;
specifying the current version explicitly pins the version during cluster
upgrades.

Releases that do not introduce a new HAProxy minor version support two values:
unset (latest) and the previous pinnable version. For example, OCP 5.1 remains
on HAProxy 3.2 (same minor as 5.0), so it supports unset and "5.0" only.

If a specific OCP version is set and would become unsupported in a target
cluster upgrade, the ingress ClusterOperator's Upgradeable condition will
be set to False, blocking the cluster upgrade until this field is updated
to unset or a supported version.
maxLength: 8
minLength: 3
type: string
x-kubernetes-validations:
- message: OCPVersion must be in X.Y format with only digits and a
single dot (for example, '4.22')
rule: self.matches(r'^[0-9]+\.[0-9]+$')
httpCompression:
description: |-
httpCompression defines a policy for HTTP traffic compression.
Expand Down Expand Up @@ -2569,6 +2609,27 @@ spec:
domain:
description: domain is the actual domain in use.
type: string
effectiveHAProxyOCPVersion:
description: |-
effectiveHAProxyOCPVersion reports the OCP release whose default HAProxy
version is currently in use by this IngressController. This reflects the
resolved value of the spec.haproxyOCPVersion field. When omitted, the
effective value has not yet been resolved by the operator or the feature
is not enabled for this cluster.

Examples:
- "5.0": Using the default HAProxy version from OpenShift 5.0
- "4.22": Using the default HAProxy version from OpenShift 4.22

The actual HAProxy binary version number is available through HAProxy's
own metrics.
maxLength: 8
minLength: 3
type: string
x-kubernetes-validations:
- message: OCPVersion must be in X.Y format with only digits and a
single dot (for example, '4.22')
rule: self.matches(r'^[0-9]+\.[0-9]+$')
endpointPublishingStrategy:
description: endpointPublishingStrategy is the actual strategy in
use.
Expand Down
1 change: 1 addition & 0 deletions operator/v1/zz_generated.featuregated-crd-manifests.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -179,6 +179,7 @@ ingresscontrollers.operator.openshift.io:
Category: ""
FeatureGates:
- IngressControllerDynamicConfigurationManager
- IngressControllerMultipleHAProxyVersions
- TLSGroupPreferences
FilenameOperatorName: ingress
FilenameOperatorOrdering: "00"
Expand Down
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