sigs.k8s.io/kueue@v0.6.2/pkg/util/equality/podset.go (about)

     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 equality
    18  
    19  import (
    20  	corev1 "k8s.io/api/core/v1"
    21  	"k8s.io/apimachinery/pkg/api/equality"
    22  	"k8s.io/utils/ptr"
    23  
    24  	kueue "sigs.k8s.io/kueue/apis/kueue/v1beta1"
    25  )
    26  
    27  // TODO: Revisit this, maybe we should extend the check to everything that could potentially impact
    28  // the workload scheduling (priority, nodeSelectors(when suspended), tolerations and maybe more)
    29  func comparePodTemplate(a, b *corev1.PodSpec) bool {
    30  	if !equality.Semantic.DeepEqual(a.Tolerations, b.Tolerations) {
    31  		return false
    32  	}
    33  	if !equality.Semantic.DeepEqual(a.InitContainers, b.InitContainers) {
    34  		return false
    35  	}
    36  	return equality.Semantic.DeepEqual(a.Containers, b.Containers)
    37  }
    38  
    39  func ComparePodSets(a, b *kueue.PodSet) bool {
    40  	if a.Count != b.Count {
    41  		return false
    42  	}
    43  	if ptr.Deref(a.MinCount, -1) != ptr.Deref(b.MinCount, -1) {
    44  		return false
    45  	}
    46  
    47  	return comparePodTemplate(&a.Template.Spec, &b.Template.Spec)
    48  }
    49  
    50  func ComparePodSetSlices(a, b []kueue.PodSet) bool {
    51  	if len(a) != len(b) {
    52  		return false
    53  	}
    54  	for i := range a {
    55  		if !ComparePodSets(&a[i], &b[i]) {
    56  			return false
    57  		}
    58  	}
    59  	return true
    60  }