mirror of
https://github.com/k3s-io/kubernetes.git
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109 lines
3.8 KiB
Go
109 lines
3.8 KiB
Go
/*
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Copyright 2022 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 node
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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/apimachinery/pkg/util/validation/field"
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api "k8s.io/kubernetes/pkg/apis/core"
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"k8s.io/kubernetes/pkg/apis/node"
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)
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var deprecatedNodeLabels = map[string]string{
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`beta.kubernetes.io/arch`: `deprecated since v1.14; use "kubernetes.io/arch" instead`,
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`beta.kubernetes.io/os`: `deprecated since v1.14; use "kubernetes.io/os" instead`,
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`failure-domain.beta.kubernetes.io/region`: `deprecated since v1.17; use "topology.kubernetes.io/region" instead`,
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`failure-domain.beta.kubernetes.io/zone`: `deprecated since v1.17; use "topology.kubernetes.io/zone" instead`,
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`beta.kubernetes.io/instance-type`: `deprecated since v1.17; use "node.kubernetes.io/instance-type" instead`,
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}
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// GetNodeLabelDeprecatedMessage returns the message for the deprecated node label
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// and a bool indicating if the label is deprecated.
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func GetNodeLabelDeprecatedMessage(key string) (string, bool) {
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msg, ok := deprecatedNodeLabels[key]
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return msg, ok
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}
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func GetWarningsForRuntimeClass(rc *node.RuntimeClass) []string {
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var warnings []string
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if rc != nil && rc.Scheduling != nil && rc.Scheduling.NodeSelector != nil {
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// use of deprecated node labels in scheduling's node affinity
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for key := range rc.Scheduling.NodeSelector {
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if msg, deprecated := GetNodeLabelDeprecatedMessage(key); deprecated {
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warnings = append(warnings, fmt.Sprintf("%s: %s", field.NewPath("scheduling", "nodeSelector"), msg))
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}
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}
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}
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return warnings
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}
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// GetWarningsForNodeSelector tests if any of the node selector requirements in the template is deprecated.
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// If there are deprecated node selector requirements in either match expressions or match labels, a warning is returned.
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func GetWarningsForNodeSelector(nodeSelector *metav1.LabelSelector, fieldPath *field.Path) []string {
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if nodeSelector == nil {
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return nil
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}
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var warnings []string
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// use of deprecated node labels in matchLabelExpressions
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for i, expression := range nodeSelector.MatchExpressions {
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if msg, deprecated := GetNodeLabelDeprecatedMessage(expression.Key); deprecated {
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warnings = append(
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warnings,
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fmt.Sprintf(
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"%s: %s is %s",
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fieldPath.Child("matchExpressions").Index(i).Child("key"),
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expression.Key,
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msg,
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),
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)
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}
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}
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// use of deprecated node labels in matchLabels
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for label := range nodeSelector.MatchLabels {
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if msg, deprecated := GetNodeLabelDeprecatedMessage(label); deprecated {
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warnings = append(warnings, fmt.Sprintf("%s: %s", fieldPath.Child("matchLabels").Child(label), msg))
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}
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}
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return warnings
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}
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// GetWarningsForNodeSelectorTerm checks match expressions of node selector term
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func GetWarningsForNodeSelectorTerm(nodeSelectorTerm api.NodeSelectorTerm, fieldPath *field.Path) []string {
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var warnings []string
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// use of deprecated node labels in matchLabelExpressions
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for i, expression := range nodeSelectorTerm.MatchExpressions {
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if msg, deprecated := GetNodeLabelDeprecatedMessage(expression.Key); deprecated {
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warnings = append(
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warnings,
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fmt.Sprintf(
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"%s: %s is %s",
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fieldPath.Child("matchExpressions").Index(i).Child("key"),
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expression.Key,
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msg,
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),
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)
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}
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}
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return warnings
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}
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