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Merged
merged 18 commits into from
Nov 26, 2025
Merged

api: Added support for weighted field in BackendRef #7452

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55b3b5b
exposed weights in backendRef object and set the same in destination …
NayanPahuja Nov 7, 2025
34a1004
auto generated manifests for the same
NayanPahuja Nov 7, 2025
a516fc2
auto generated kube manifests, deepcopy implementations and testdata
NayanPahuja Nov 7, 2025
d73079b
generated kube test manifests
NayanPahuja Nov 8, 2025
5aef0e1
added release note
NayanPahuja Nov 8, 2025
f9be8d4
removed personal config file
NayanPahuja Nov 8, 2025
90a8305
Merge branch 'main' into feat/weight-support-for-non-x-routes
NayanPahuja Nov 8, 2025
6b2bf97
added testdata files for internal gateway api
NayanPahuja Nov 8, 2025
3fde247
added testdata for 0 weighted route
NayanPahuja Nov 8, 2025
1625d40
Merge branch 'main' into feat/weight-support-for-non-x-routes
NayanPahuja Nov 9, 2025
2b1d7be
Merge remote-tracking branch 'origin/main' into feat/weight-support-f…
NayanPahuja Nov 10, 2025
f94c83b
Merge branch 'main' into feat/weight-support-for-non-x-routes
NayanPahuja Nov 14, 2025
f66b4e1
Merge branch 'main' into feat/weight-support-for-non-x-routes
NayanPahuja Nov 15, 2025
2d1a239
Merge branch 'main' into feat/weight-support-for-non-x-routes
NayanPahuja Nov 22, 2025
fc9f059
added xds ir testdata for weighted ext auth backend refs
NayanPahuja Nov 23, 2025
009e152
Merge branch 'main' into feat/weight-support-for-non-x-routes
NayanPahuja Nov 23, 2025
ebfc9f8
lint issues fixed
NayanPahuja Nov 23, 2025
7a5793e
Merge branch 'main' into feat/weight-support-for-non-x-routes
jukie Nov 26, 2025
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19 changes: 19 additions & 0 deletions api/v1alpha1/shared_types.go
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Original file line number Diff line number Diff line change
Expand Up @@ -547,6 +547,25 @@ type BackendRef struct {
// BackendObjectReference references a Kubernetes object that represents the backend.
// Only Service kind is supported for now.
gwapiv1.BackendObjectReference `json:",inline"`
// Weight specifies the proportion of requests forwarded to the referenced
// backend. This is computed as weight/(sum of all weights in this
// BackendRefs list). For non-zero values, there may be some epsilon from
// the exact proportion defined here depending on the precision an
// implementation supports. Weight is not a percentage and the sum of
// weights does not need to equal 100.
//
// If only one backend is specified and it has a weight greater than 0, 100%
// of the traffic is forwarded to that backend. If weight is set to 0, no
// traffic should be forwarded for this entry. If unspecified, weight
// defaults to 1.
//
// Support for this field varies based on the context where used.
//
// +optional
// +kubebuilder:default=1
// +kubebuilder:validation:Minimum=0
// +kubebuilder:validation:Maximum=1000000
Weight *uint32 `json:"weight,omitempty"`
// Fallback indicates whether the backend is designated as a fallback.
// Multiple fallback backends can be configured.
// It is highly recommended to configure active or passive health checks to ensure that failover can be detected
Expand Down
5 changes: 5 additions & 0 deletions api/v1alpha1/zz_generated.deepcopy.go
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20 changes: 20 additions & 0 deletions ...s/gateway-crds-helm/templates/generated/gateway.envoyproxy.io_envoyextensionpolicies.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -206,6 +206,26 @@ spec:
maximum: 65535
minimum: 1
type: integer
weight:
default: 1
description: |-
Weight specifies the proportion of requests forwarded to the referenced
backend. This is computed as weight/(sum of all weights in this
BackendRefs list). For non-zero values, there may be some epsilon from
the exact proportion defined here depending on the precision an
implementation supports. Weight is not a percentage and the sum of
weights does not need to equal 100.
If only one backend is specified and it has a weight greater than 0, 100%
of the traffic is forwarded to that backend. If weight is set to 0, no
traffic should be forwarded for this entry. If unspecified, weight
defaults to 1.
Support for this field varies based on the context where used.
format: int32
maximum: 1000000
minimum: 0
type: integer
required:
- name
type: object
Expand Down
80 changes: 80 additions & 0 deletions charts/gateway-crds-helm/templates/generated/gateway.envoyproxy.io_envoyproxies.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -11155,6 +11155,26 @@ spec:
maximum: 65535
minimum: 1
type: integer
weight:
default: 1
description: |-
Weight specifies the proportion of requests forwarded to the referenced
backend. This is computed as weight/(sum of all weights in this
BackendRefs list). For non-zero values, there may be some epsilon from
the exact proportion defined here depending on the precision an
implementation supports. Weight is not a percentage and the sum of
weights does not need to equal 100.

If only one backend is specified and it has a weight greater than 0, 100%
of the traffic is forwarded to that backend. If weight is set to 0, no
traffic should be forwarded for this entry. If unspecified, weight
defaults to 1.

Support for this field varies based on the context where used.
format: int32
maximum: 1000000
minimum: 0
type: integer
required:
- name
type: object
Expand Down Expand Up @@ -12362,6 +12382,26 @@ spec:
maximum: 65535
minimum: 1
type: integer
weight:
default: 1
description: |-
Weight specifies the proportion of requests forwarded to the referenced
backend. This is computed as weight/(sum of all weights in this
BackendRefs list). For non-zero values, there may be some epsilon from
the exact proportion defined here depending on the precision an
implementation supports. Weight is not a percentage and the sum of
weights does not need to equal 100.

If only one backend is specified and it has a weight greater than 0, 100%
of the traffic is forwarded to that backend. If weight is set to 0, no
traffic should be forwarded for this entry. If unspecified, weight
defaults to 1.

Support for this field varies based on the context where used.
format: int32
maximum: 1000000
minimum: 0
type: integer
required:
- name
type: object
Expand Down Expand Up @@ -13685,6 +13725,26 @@ spec:
maximum: 65535
minimum: 1
type: integer
weight:
default: 1
description: |-
Weight specifies the proportion of requests forwarded to the referenced
backend. This is computed as weight/(sum of all weights in this
BackendRefs list). For non-zero values, there may be some epsilon from
the exact proportion defined here depending on the precision an
implementation supports. Weight is not a percentage and the sum of
weights does not need to equal 100.

If only one backend is specified and it has a weight greater than 0, 100%
of the traffic is forwarded to that backend. If weight is set to 0, no
traffic should be forwarded for this entry. If unspecified, weight
defaults to 1.

Support for this field varies based on the context where used.
format: int32
maximum: 1000000
minimum: 0
type: integer
required:
- name
type: object
Expand Down Expand Up @@ -14897,6 +14957,26 @@ spec:
maximum: 65535
minimum: 1
type: integer
weight:
default: 1
description: |-
Weight specifies the proportion of requests forwarded to the referenced
backend. This is computed as weight/(sum of all weights in this
BackendRefs list). For non-zero values, there may be some epsilon from
the exact proportion defined here depending on the precision an
implementation supports. Weight is not a percentage and the sum of
weights does not need to equal 100.

If only one backend is specified and it has a weight greater than 0, 100%
of the traffic is forwarded to that backend. If weight is set to 0, no
traffic should be forwarded for this entry. If unspecified, weight
defaults to 1.

Support for this field varies based on the context where used.
format: int32
maximum: 1000000
minimum: 0
type: integer
required:
- name
type: object
Expand Down
80 changes: 80 additions & 0 deletions charts/gateway-crds-helm/templates/generated/gateway.envoyproxy.io_securitypolicies.yaml
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Original file line number Diff line number Diff line change
Expand Up @@ -720,6 +720,26 @@ spec:
maximum: 65535
minimum: 1
type: integer
weight:
default: 1
description: |-
Weight specifies the proportion of requests forwarded to the referenced
backend. This is computed as weight/(sum of all weights in this
BackendRefs list). For non-zero values, there may be some epsilon from
the exact proportion defined here depending on the precision an
implementation supports. Weight is not a percentage and the sum of
weights does not need to equal 100.

If only one backend is specified and it has a weight greater than 0, 100%
of the traffic is forwarded to that backend. If weight is set to 0, no
traffic should be forwarded for this entry. If unspecified, weight
defaults to 1.

Support for this field varies based on the context where used.
format: int32
maximum: 1000000
minimum: 0
type: integer
required:
- name
type: object
Expand Down Expand Up @@ -1817,6 +1837,26 @@ spec:
maximum: 65535
minimum: 1
type: integer
weight:
default: 1
description: |-
Weight specifies the proportion of requests forwarded to the referenced
backend. This is computed as weight/(sum of all weights in this
BackendRefs list). For non-zero values, there may be some epsilon from
the exact proportion defined here depending on the precision an
implementation supports. Weight is not a percentage and the sum of
weights does not need to equal 100.

If only one backend is specified and it has a weight greater than 0, 100%
of the traffic is forwarded to that backend. If weight is set to 0, no
traffic should be forwarded for this entry. If unspecified, weight
defaults to 1.

Support for this field varies based on the context where used.
format: int32
maximum: 1000000
minimum: 0
type: integer
required:
- name
type: object
Expand Down Expand Up @@ -3110,6 +3150,26 @@ spec:
maximum: 65535
minimum: 1
type: integer
weight:
default: 1
description: |-
Weight specifies the proportion of requests forwarded to the referenced
backend. This is computed as weight/(sum of all weights in this
BackendRefs list). For non-zero values, there may be some epsilon from
the exact proportion defined here depending on the precision an
implementation supports. Weight is not a percentage and the sum of
weights does not need to equal 100.

If only one backend is specified and it has a weight greater than 0, 100%
of the traffic is forwarded to that backend. If weight is set to 0, no
traffic should be forwarded for this entry. If unspecified, weight
defaults to 1.

Support for this field varies based on the context where used.
format: int32
maximum: 1000000
minimum: 0
type: integer
required:
- name
type: object
Expand Down Expand Up @@ -4491,6 +4551,26 @@ spec:
maximum: 65535
minimum: 1
type: integer
weight:
default: 1
description: |-
Weight specifies the proportion of requests forwarded to the referenced
backend. This is computed as weight/(sum of all weights in this
BackendRefs list). For non-zero values, there may be some epsilon from
the exact proportion defined here depending on the precision an
implementation supports. Weight is not a percentage and the sum of
weights does not need to equal 100.

If only one backend is specified and it has a weight greater than 0, 100%
of the traffic is forwarded to that backend. If weight is set to 0, no
traffic should be forwarded for this entry. If unspecified, weight
defaults to 1.

Support for this field varies based on the context where used.
format: int32
maximum: 1000000
minimum: 0
type: integer
required:
- name
type: object
Expand Down
20 changes: 20 additions & 0 deletions charts/gateway-helm/crds/generated/gateway.envoyproxy.io_envoyextensionpolicies.yaml
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -205,6 +205,26 @@ spec:
maximum: 65535
minimum: 1
type: integer
weight:
default: 1
description: |-
Weight specifies the proportion of requests forwarded to the referenced
backend. This is computed as weight/(sum of all weights in this
BackendRefs list). For non-zero values, there may be some epsilon from
the exact proportion defined here depending on the precision an
implementation supports. Weight is not a percentage and the sum of
weights does not need to equal 100.

If only one backend is specified and it has a weight greater than 0, 100%
of the traffic is forwarded to that backend. If weight is set to 0, no
traffic should be forwarded for this entry. If unspecified, weight
defaults to 1.

Support for this field varies based on the context where used.
format: int32
maximum: 1000000
minimum: 0
type: integer
required:
- name
type: object
Expand Down
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