42 lines
1.2 KiB
Go
42 lines
1.2 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 util
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import (
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"k8s.io/api/core/v1"
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)
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// GetUsedPorts returns the used host ports of Pods: if 'port' was used, a 'port:true' pair
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// will be in the result; but it does not resolve port conflict.
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func GetUsedPorts(pods ...*v1.Pod) map[int]bool {
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ports := make(map[int]bool)
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for _, pod := range pods {
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for j := range pod.Spec.Containers {
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container := &pod.Spec.Containers[j]
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for k := range container.Ports {
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podPort := &container.Ports[k]
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// "0" is explicitly ignored in PodFitsHostPorts,
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// which is the only function that uses this value.
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if podPort.HostPort != 0 {
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ports[int(podPort.HostPort)] = true
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}
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}
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}
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}
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return ports
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}
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