validatingadmissionpolicycontroller.go

Documentation: k8s.io/kubernetes/cmd/kube-controller-manager/app/options

     1  /*
     2  Copyright 2023 The Kubernetes Authors.
     3  
     4  Licensed under the Apache License, Version 2.0 (the "License");
     5  you may not use this file except in compliance with the License.
     6  You may obtain a copy of the License at
     7  
     8      http://www.apache.org/licenses/LICENSE-2.0
     9  
    10  Unless required by applicable law or agreed to in writing, software
    11  distributed under the License is distributed on an "AS IS" BASIS,
    12  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    13  See the License for the specific language governing permissions and
    14  limitations under the License.
    15  */
    16  
    17  package options
    18  
    19  import (
    20  	"fmt"
    21  
    22  	"github.com/spf13/pflag"
    23  
    24  	validatingadmissionpolicystatusconfig "k8s.io/kubernetes/pkg/controller/validatingadmissionpolicystatus/config"
    25  )
    26  
    27  // ValidatingAdmissionPolicyStatusControllerOptions holds the ValidatingAdmissionPolicyStatusController options.
    28  type ValidatingAdmissionPolicyStatusControllerOptions struct {
    29  	*validatingadmissionpolicystatusconfig.ValidatingAdmissionPolicyStatusControllerConfiguration
    30  }
    31  
    32  // AddFlags adds flags related to ValidatingAdmissionPolicyStatusController for controller manager to the specified FlagSet.
    33  func (o *ValidatingAdmissionPolicyStatusControllerOptions) AddFlags(fs *pflag.FlagSet) {
    34  	if o == nil {
    35  		return
    36  	}
    37  
    38  	fs.Int32Var(&o.ConcurrentPolicySyncs, "concurrent-validating-admission-policy-status-syncs", o.ConcurrentPolicySyncs, "The number of ValidatingAdmissionPolicyStatusController workers that are allowed to sync concurrently.")
    39  }
    40  
    41  // ApplyTo fills up ValidatingAdmissionPolicyStatusController config with options.
    42  func (o *ValidatingAdmissionPolicyStatusControllerOptions) ApplyTo(cfg *validatingadmissionpolicystatusconfig.ValidatingAdmissionPolicyStatusControllerConfiguration) error {
    43  	if o == nil {
    44  		return nil
    45  	}
    46  
    47  	cfg.ConcurrentPolicySyncs = o.ConcurrentPolicySyncs
    48  
    49  	return nil
    50  }
    51  
    52  // Validate checks validation of ValidatingAdmissionPolicyStatusControllerOptions.
    53  func (o *ValidatingAdmissionPolicyStatusControllerOptions) Validate() []error {
    54  	if o == nil {
    55  		return nil
    56  	}
    57  	var errs []error
    58  	if o.ConcurrentPolicySyncs <= 0 {
    59  		// omits controller or flag names because the CLI already includes these in the message.
    60  		errs = append(errs, fmt.Errorf("must be positive, got %d", o.ConcurrentPolicySyncs))
    61  	}
    62  	return errs
    63  }
    64
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