mirror of
https://github.com/optim-enterprises-bv/kubernetes.git
synced 2025-11-03 19:58:17 +00:00
80 lines
2.3 KiB
Go
80 lines
2.3 KiB
Go
/*
|
|
Copyright 2016 The Kubernetes Authors.
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
package predicates
|
|
|
|
import (
|
|
"k8s.io/api/core/v1"
|
|
"k8s.io/apimachinery/pkg/labels"
|
|
schedulercache "k8s.io/kubernetes/pkg/scheduler/cache"
|
|
)
|
|
|
|
// FindLabelsInSet gets as many key/value pairs as possible out of a label set.
|
|
func FindLabelsInSet(labelsToKeep []string, selector labels.Set) map[string]string {
|
|
aL := make(map[string]string)
|
|
for _, l := range labelsToKeep {
|
|
if selector.Has(l) {
|
|
aL[l] = selector.Get(l)
|
|
}
|
|
}
|
|
return aL
|
|
}
|
|
|
|
// AddUnsetLabelsToMap backfills missing values with values we find in a map.
|
|
func AddUnsetLabelsToMap(aL map[string]string, labelsToAdd []string, labelSet labels.Set) {
|
|
for _, l := range labelsToAdd {
|
|
// if the label is already there, dont overwrite it.
|
|
if _, exists := aL[l]; exists {
|
|
continue
|
|
}
|
|
// otherwise, backfill this label.
|
|
if labelSet.Has(l) {
|
|
aL[l] = labelSet.Get(l)
|
|
}
|
|
}
|
|
}
|
|
|
|
// FilterPodsByNamespace filters pods outside a namespace from the given list.
|
|
func FilterPodsByNamespace(pods []*v1.Pod, ns string) []*v1.Pod {
|
|
filtered := []*v1.Pod{}
|
|
for _, nsPod := range pods {
|
|
if nsPod.Namespace == ns {
|
|
filtered = append(filtered, nsPod)
|
|
}
|
|
}
|
|
return filtered
|
|
}
|
|
|
|
// CreateSelectorFromLabels is used to define a selector that corresponds to the keys in a map.
|
|
func CreateSelectorFromLabels(aL map[string]string) labels.Selector {
|
|
if aL == nil || len(aL) == 0 {
|
|
return labels.Everything()
|
|
}
|
|
return labels.Set(aL).AsSelector()
|
|
}
|
|
|
|
// portsConflict check whether existingPorts and wantPorts conflict with each other
|
|
// return true if we have a conflict
|
|
func portsConflict(existingPorts schedulercache.HostPortInfo, wantPorts []*v1.ContainerPort) bool {
|
|
for _, cp := range wantPorts {
|
|
if existingPorts.CheckConflict(cp.HostIP, string(cp.Protocol), cp.HostPort) {
|
|
return true
|
|
}
|
|
}
|
|
|
|
return false
|
|
}
|