mirror of https://github.com/k3s-io/k3s
63 lines
2.2 KiB
Go
63 lines
2.2 KiB
Go
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/*
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Copyright 2017 The Kubernetes Authors.
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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*/
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package util
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import (
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"fmt"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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"k8s.io/kubernetes/pkg/api"
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"k8s.io/kubernetes/pkg/api/v1"
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extensions "k8s.io/kubernetes/pkg/apis/extensions/v1beta1"
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labelsutil "k8s.io/kubernetes/pkg/util/labels"
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)
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// GetPodTemplateWithHash returns copy of provided template with additional
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// label which contains hash of provided template
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func GetPodTemplateWithGeneration(template v1.PodTemplateSpec, generation int64) v1.PodTemplateSpec {
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obj, _ := api.Scheme.DeepCopy(template)
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newTemplate := obj.(v1.PodTemplateSpec)
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templateGenerationStr := fmt.Sprint(generation)
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newTemplate.ObjectMeta.Labels = labelsutil.CloneAndAddLabel(
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template.ObjectMeta.Labels,
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extensions.DaemonSetTemplateGenerationKey,
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templateGenerationStr,
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)
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return newTemplate
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}
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// IsPodUpdate checks if pod contains label with provided hash
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func IsPodUpdated(dsTemplateGeneration int64, pod *v1.Pod) bool {
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podTemplateGeneration, generationExists := pod.ObjectMeta.Labels[extensions.DaemonSetTemplateGenerationKey]
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dsTemplateGenerationStr := fmt.Sprint(dsTemplateGeneration)
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return generationExists && podTemplateGeneration == dsTemplateGenerationStr
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}
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// SplitByAvailablePods splits provided daemon set pods by availabilty
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func SplitByAvailablePods(minReadySeconds int32, pods []*v1.Pod) ([]*v1.Pod, []*v1.Pod) {
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unavailablePods := []*v1.Pod{}
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availablePods := []*v1.Pod{}
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for _, pod := range pods {
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if v1.IsPodAvailable(pod, minReadySeconds, metav1.Now()) {
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availablePods = append(availablePods, pod)
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} else {
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unavailablePods = append(unavailablePods, pod)
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}
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}
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return availablePods, unavailablePods
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}
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