github.com/kubewharf/katalyst-core@v0.5.3/pkg/webhook/validating/vpa/name_validator.go (about)

     1  /*
     2  Copyright 2022 The Katalyst 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 vpa
    18  
    19  import (
    20  	"fmt"
    21  
    22  	"k8s.io/klog/v2"
    23  
    24  	apis "github.com/kubewharf/katalyst-api/pkg/apis/autoscaling/v1alpha1"
    25  )
    26  
    27  // WebhookVPAPodNameContainerNameValidator validate if pod name and container name in vpa are not empty
    28  type WebhookVPAPodNameContainerNameValidator struct{}
    29  
    30  func NewWebhookVPAPodNameContainerNameValidator() *WebhookVPAPodNameContainerNameValidator {
    31  	return &WebhookVPAPodNameContainerNameValidator{}
    32  }
    33  
    34  func (pc *WebhookVPAPodNameContainerNameValidator) ValidateVPA(vpa *apis.KatalystVerticalPodAutoscaler) (valid bool, message string, err error) {
    35  	if vpa == nil {
    36  		err := fmt.Errorf("vpa is nil")
    37  		return false, err.Error(), err
    38  	}
    39  
    40  	for _, containerPolicy := range vpa.Spec.ResourcePolicy.ContainerPolicies {
    41  		if containerPolicy.ContainerName == nil {
    42  			klog.Info("container name in pod policy can't be nil")
    43  			return false, "container name in pod policy can't be nil", nil
    44  		}
    45  	}
    46  
    47  	return true, "", nil
    48  }