Add internal and external traffic policy to crd.

To allow more modifications to the service created for the pgboucer, add
the externalTrafficPolicy and internalTrafficPolicy to the CRD of the
service.

Issue: #3797

Author: baptman21

config/crd/bases/postgres-operator.crunchydata.com_postgresclusters.yaml

@@ -13060,6 +13060,13 @@ spec:
                       service:
                         description: Specification of the service that exposes PgBouncer.
                         properties:
+                          externalTrafficPolicy:
+                            description: Service External Traffic Policy Type string
+                            type: string
+                          internalTrafficPolicy:
+                            description: ServiceInternalTrafficPolicyType describes
+                              the type of traffic routing for internal traffic
+                            type: string
                           metadata:
                             description: Metadata contains metadata for custom resources
                             properties:
@@ -13323,6 +13330,13 @@ spec:
                 description: Specification of the service that exposes the PostgreSQL
                   primary instance.
                 properties:
+                  externalTrafficPolicy:
+                    description: Service External Traffic Policy Type string
+                    type: string
+                  internalTrafficPolicy:
+                    description: ServiceInternalTrafficPolicyType describes the type
+                      of traffic routing for internal traffic
+                    type: string
                   metadata:
                     description: Metadata contains metadata for custom resources
                     properties:
@@ -14793,6 +14807,13 @@ spec:
                       service:
                         description: Specification of the service that exposes pgAdmin.
                         properties:
+                          externalTrafficPolicy:
+                            description: Service External Traffic Policy Type string
+                            type: string
+                          internalTrafficPolicy:
+                            description: ServiceInternalTrafficPolicyType describes
+                              the type of traffic routing for internal traffic
+                            type: string
                           metadata:
                             description: Metadata contains metadata for custom resources
                             properties:

internal/controller/postgrescluster/pgbouncer.go

@@ -315,6 +315,12 @@ func (r *Reconciler) generatePGBouncerService(
 			}
 			servicePort.NodePort = *spec.NodePort
 		}
+		if spec.ExternalTrafficPolicy != nil {
+			service.Spec.ExternalTrafficPolicy = *spec.ExternalTrafficPolicy
+		}
+		if spec.InternalTrafficPolicy != nil {
+			service.Spec.InternalTrafficPolicy = spec.InternalTrafficPolicy
+		}
 	}
 	service.Spec.Ports = []corev1.ServicePort{servicePort}
 

pkg/apis/postgres-operator.crunchydata.com/v1beta1/shared_types.go

@@ -55,6 +55,12 @@ type ServiceSpec struct {
 	// +kubebuilder:default=ClusterIP
 	// +kubebuilder:validation:Enum={ClusterIP,NodePort,LoadBalancer}
 	Type string `json:"type"`
+
+	// +optional
+	InternalTrafficPolicy *corev1.ServiceInternalTrafficPolicyType `json:"internalTrafficPolicy"`
+
+	// +optional
+	ExternalTrafficPolicy *corev1.ServiceExternalTrafficPolicyType `json:"externalTrafficPolicy"`
 }
 
 // Sidecar defines the configuration of a sidecar container