| /* |
| Copyright 2018 The Kubernetes 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 options |
| |
| import ( |
| "github.com/spf13/pflag" |
| |
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" |
| kubectrlmgrconfig "k8s.io/kubernetes/pkg/controller/apis/config" |
| ) |
| |
| // NamespaceControllerOptions holds the NamespaceController options. |
| type NamespaceControllerOptions struct { |
| NamespaceSyncPeriod metav1.Duration |
| ConcurrentNamespaceSyncs int32 |
| } |
| |
| // AddFlags adds flags related to NamespaceController for controller manager to the specified FlagSet. |
| func (o *NamespaceControllerOptions) AddFlags(fs *pflag.FlagSet) { |
| if o == nil { |
| return |
| } |
| |
| fs.DurationVar(&o.NamespaceSyncPeriod.Duration, "namespace-sync-period", o.NamespaceSyncPeriod.Duration, "The period for syncing namespace life-cycle updates") |
| fs.Int32Var(&o.ConcurrentNamespaceSyncs, "concurrent-namespace-syncs", o.ConcurrentNamespaceSyncs, "The number of namespace objects that are allowed to sync concurrently. Larger number = more responsive namespace termination, but more CPU (and network) load") |
| } |
| |
| // ApplyTo fills up NamespaceController config with options. |
| func (o *NamespaceControllerOptions) ApplyTo(cfg *kubectrlmgrconfig.NamespaceControllerConfiguration) error { |
| if o == nil { |
| return nil |
| } |
| |
| cfg.NamespaceSyncPeriod = o.NamespaceSyncPeriod |
| cfg.ConcurrentNamespaceSyncs = o.ConcurrentNamespaceSyncs |
| |
| return nil |
| } |
| |
| // Validate checks validation of NamespaceControllerOptions. |
| func (o *NamespaceControllerOptions) Validate() []error { |
| if o == nil { |
| return nil |
| } |
| |
| errs := []error{} |
| return errs |
| } |