49 lines
1.6 KiB
Go
49 lines
1.6 KiB
Go
/*
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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 daemonset
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import (
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"fmt"
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"math/rand"
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"k8s.io/autoscaler/cluster-autoscaler/simulator"
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apiv1 "k8s.io/api/core/v1"
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extensionsv1 "k8s.io/api/extensions/v1beta1"
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schedulercache "k8s.io/kubernetes/pkg/scheduler/cache"
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)
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// GetDaemonSetPodsForNode returns daemonset nodes for the given pod.
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func GetDaemonSetPodsForNode(nodeInfo *schedulercache.NodeInfo, daemonsets []*extensionsv1.DaemonSet, predicateChecker *simulator.PredicateChecker) []*apiv1.Pod {
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result := make([]*apiv1.Pod, 0)
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for _, ds := range daemonsets {
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pod := newPod(ds, nodeInfo.Node().Name)
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if err := predicateChecker.CheckPredicates(pod, nil, nodeInfo); err == nil {
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result = append(result, pod)
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}
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}
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return result
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}
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func newPod(ds *extensionsv1.DaemonSet, nodeName string) *apiv1.Pod {
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newPod := &apiv1.Pod{Spec: ds.Spec.Template.Spec, ObjectMeta: ds.Spec.Template.ObjectMeta}
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newPod.Namespace = ds.Namespace
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newPod.Name = fmt.Sprintf("%s-pod-%d", ds.Name, rand.Int63())
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newPod.Spec.NodeName = nodeName
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return newPod
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}
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