feat: support section name for BackendTrafficPolicy (#6888)

* feat: support attaching policy to section name level

Signed-off-by: kkk777-7 <[email protected]>

Author: kkk777-7

api/v1alpha1/backendtrafficpolicy_types.go

@@ -39,10 +39,8 @@ type BackendTrafficPolicy struct {
 // +kubebuilder:validation:XValidation:rule="(has(self.targetRef) && !has(self.targetRefs)) || (!has(self.targetRef) && has(self.targetRefs)) || (has(self.targetSelectors) && self.targetSelectors.size() > 0) ", message="either targetRef or targetRefs must be used"
 // +kubebuilder:validation:XValidation:rule="has(self.targetRef) ? self.targetRef.group == 'gateway.networking.k8s.io' : true ", message="this policy can only have a targetRef.group of gateway.networking.k8s.io"
 // +kubebuilder:validation:XValidation:rule="has(self.targetRef) ? self.targetRef.kind in ['Gateway', 'HTTPRoute', 'GRPCRoute', 'UDPRoute', 'TCPRoute', 'TLSRoute'] : true", message="this policy can only have a targetRef.kind of Gateway/HTTPRoute/GRPCRoute/TCPRoute/UDPRoute/TLSRoute"
-// +kubebuilder:validation:XValidation:rule="has(self.targetRef) ? !has(self.targetRef.sectionName) : true",message="this policy does not yet support the sectionName field"
 // +kubebuilder:validation:XValidation:rule="has(self.targetRefs) ? self.targetRefs.all(ref, ref.group == 'gateway.networking.k8s.io') : true ", message="this policy can only have a targetRefs[*].group of gateway.networking.k8s.io"
 // +kubebuilder:validation:XValidation:rule="has(self.targetRefs) ? self.targetRefs.all(ref, ref.kind in ['Gateway', 'HTTPRoute', 'GRPCRoute', 'UDPRoute', 'TCPRoute', 'TLSRoute']) : true ", message="this policy can only have a targetRefs[*].kind of Gateway/HTTPRoute/GRPCRoute/TCPRoute/UDPRoute/TLSRoute"
-// +kubebuilder:validation:XValidation:rule="has(self.targetRefs) ? self.targetRefs.all(ref, !has(ref.sectionName)) : true",message="this policy does not yet support the sectionName field"
 // +kubebuilder:validation:XValidation:rule="!has(self.compression) || !has(self.compressor)", message="either compression or compressor can be set, not both"
 type BackendTrafficPolicySpec struct {
 	PolicyTargetReferences `json:",inline"`

charts/gateway-crds-helm/templates/generated/gateway.envoyproxy.io_backendtrafficpolicies.yaml

@@ -2416,18 +2416,13 @@ spec:
             - message: this policy can only have a targetRef.kind of Gateway/HTTPRoute/GRPCRoute/TCPRoute/UDPRoute/TLSRoute
               rule: 'has(self.targetRef) ? self.targetRef.kind in [''Gateway'', ''HTTPRoute'',
                 ''GRPCRoute'', ''UDPRoute'', ''TCPRoute'', ''TLSRoute''] : true'
-            - message: this policy does not yet support the sectionName field
-              rule: 'has(self.targetRef) ? !has(self.targetRef.sectionName) : true'
             - message: this policy can only have a targetRefs[*].group of gateway.networking.k8s.io
               rule: 'has(self.targetRefs) ? self.targetRefs.all(ref, ref.group ==
                 ''gateway.networking.k8s.io'') : true '
             - message: this policy can only have a targetRefs[*].kind of Gateway/HTTPRoute/GRPCRoute/TCPRoute/UDPRoute/TLSRoute
               rule: 'has(self.targetRefs) ? self.targetRefs.all(ref, ref.kind in [''Gateway'',
                 ''HTTPRoute'', ''GRPCRoute'', ''UDPRoute'', ''TCPRoute'', ''TLSRoute''])
                 : true '
-            - message: this policy does not yet support the sectionName field
-              rule: 'has(self.targetRefs) ? self.targetRefs.all(ref, !has(ref.sectionName))
-                : true'
             - message: either compression or compressor can be set, not both
               rule: '!has(self.compression) || !has(self.compressor)'
             - message: predictivePercent in preconnect policy only works with RoundRobin

charts/gateway-helm/crds/generated/gateway.envoyproxy.io_backendtrafficpolicies.yaml

@@ -2415,18 +2415,13 @@ spec:
             - message: this policy can only have a targetRef.kind of Gateway/HTTPRoute/GRPCRoute/TCPRoute/UDPRoute/TLSRoute
               rule: 'has(self.targetRef) ? self.targetRef.kind in [''Gateway'', ''HTTPRoute'',
                 ''GRPCRoute'', ''UDPRoute'', ''TCPRoute'', ''TLSRoute''] : true'
-            - message: this policy does not yet support the sectionName field
-              rule: 'has(self.targetRef) ? !has(self.targetRef.sectionName) : true'
             - message: this policy can only have a targetRefs[*].group of gateway.networking.k8s.io
               rule: 'has(self.targetRefs) ? self.targetRefs.all(ref, ref.group ==
                 ''gateway.networking.k8s.io'') : true '
             - message: this policy can only have a targetRefs[*].kind of Gateway/HTTPRoute/GRPCRoute/TCPRoute/UDPRoute/TLSRoute
               rule: 'has(self.targetRefs) ? self.targetRefs.all(ref, ref.kind in [''Gateway'',
                 ''HTTPRoute'', ''GRPCRoute'', ''UDPRoute'', ''TCPRoute'', ''TLSRoute''])
                 : true '
-            - message: this policy does not yet support the sectionName field
-              rule: 'has(self.targetRefs) ? self.targetRefs.all(ref, !has(ref.sectionName))
-                : true'
             - message: either compression or compressor can be set, not both
               rule: '!has(self.compression) || !has(self.compressor)'
             - message: predictivePercent in preconnect policy only works with RoundRobin