Change global validation to optional marker

Author: benjaminjb

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

@@ -14480,7 +14480,7 @@ spec:
                             x-kubernetes-map-type: granular
                             x-kubernetes-validations:
                             - message: logfile config must end with '.log'
-                              rule: '!has(self.logfile) || self.logfile.endsWith(''.log'')'
+                              rule: self.?logfile.orValue("").endsWith('.log')
                           users:
                             additionalProperties:
                               type: string
@@ -33524,7 +33524,7 @@ spec:
                             x-kubernetes-map-type: granular
                             x-kubernetes-validations:
                             - message: logfile config must end with '.log'
-                              rule: '!has(self.logfile) || self.logfile.endsWith(''.log'')'
+                              rule: self.?logfile.orValue("").endsWith('.log')
                           users:
                             additionalProperties:
                               type: string

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

@@ -28,7 +28,7 @@ type PGBouncerConfiguration struct {
 	// More info: https://www.pgbouncer.org/config.html
 	// ---
 	// # Logging
-	// +kubebuilder:validation:XValidation:rule=`!has(self.logfile) || self.logfile.endsWith('.log')`,message=`logfile config must end with '.log'`
+	// +kubebuilder:validation:XValidation:rule=`self.?logfile.orValue("").endsWith('.log')`,message=`logfile config must end with '.log'`
 	// +kubebuilder:validation:MaxProperties=50
 	// See also XValidation rule on v1 PostgresProxySpec
 	//