feat: migrating to validating admission policies for our validating logic (1/)

pkg/admissionpolicymanager/configs.go

@@ -0,0 +1,41 @@
+/*
+Copyright 2026 The KubeFleet Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+	http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package admissionpolicymanager
+
+import (
+	"github.com/kubefleet-dev/kubefleet/pkg/utils"
+)
+
+// PolicyGeneratorConfigs holds the configurations for all available admission policy
+// generators.
+//
+// This type is exposed so that users can provide a configuration object (in its serialized form)
+// that specifies individual configurations for each generator.
+type PolicyGeneratorConfigs struct {
+	PodsAndReplicaSetsVAPGeneratorConfig          *PodsAndReplicaSetsValidatingAdmissionPolicyGenerator              `json:"denyPodsAndReplicaSetsOutsideReservedNamespaces,omitempty"`
+	SvcAccountsAndTokenRequestsVAPGeneratorConfig *ServiceAccountsAndTokenRequestsValidatingAdmissionPolicyGenerator `json:"denyServiceAccountsAndTokenRequestsInReservedNamespaces,omitempty"`
+}
+
+// DefaultPolicyGeneratorConfigs is the default configuration for all available admission policy generators.
+var DefaultPolicyGeneratorConfigs = &PolicyGeneratorConfigs{
+	PodsAndReplicaSetsVAPGeneratorConfig: &PodsAndReplicaSetsValidatingAdmissionPolicyGenerator{
+		ReservedNamespacePrefixes: []string{utils.FleetNSNamePrefix, utils.KubeNSNamePrefix},
+	},
+	SvcAccountsAndTokenRequestsVAPGeneratorConfig: &ServiceAccountsAndTokenRequestsValidatingAdmissionPolicyGenerator{
+		ReservedNamespacePrefixes: []string{utils.FleetNSNamePrefix, utils.KubeNSNamePrefix},
+	},
+}