mirror of
https://github.com/k3s-io/kubernetes.git
synced 2025-11-03 23:40:03 +00:00
move nodeaffinity helpers to component-helpers package
This commit is contained in:
Mengxue Zhang
@@ -50,10 +50,10 @@ import (
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"k8s.io/client-go/util/workqueue"
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"k8s.io/component-base/metrics/prometheus/ratelimiter"
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v1helper "k8s.io/component-helpers/scheduling/corev1"
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"k8s.io/component-helpers/scheduling/corev1/nodeaffinity"
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podutil "k8s.io/kubernetes/pkg/api/v1/pod"
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"k8s.io/kubernetes/pkg/controller"
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"k8s.io/kubernetes/pkg/controller/daemon/util"
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pluginhelper "k8s.io/kubernetes/pkg/scheduler/framework/plugins/helper"
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"k8s.io/utils/integer"
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)
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@@ -1277,7 +1277,8 @@ func (dsc *DaemonSetsController) nodeShouldRunDaemonPod(node *v1.Node, ds *apps.
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// Predicates checks if a DaemonSet's pod can run on a node.
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func Predicates(pod *v1.Pod, node *v1.Node, taints []v1.Taint) (fitsNodeName, fitsNodeAffinity, fitsTaints bool) {
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fitsNodeName = len(pod.Spec.NodeName) == 0 || pod.Spec.NodeName == node.Name
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fitsNodeAffinity = pluginhelper.PodMatchesNodeSelectorAndAffinityTerms(pod, node)
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// Ignore parsing errors for backwards compatibility.
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fitsNodeAffinity, _ = nodeaffinity.GetRequiredNodeAffinity(pod).Match(node)
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_, hasUntoleratedTaint := v1helper.FindMatchingUntoleratedTaint(taints, pod.Spec.Tolerations, func(t *v1.Taint) bool {
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return t.Effect == v1.TaintEffectNoExecute || t.Effect == v1.TaintEffectNoSchedule
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})
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@@ -20,11 +20,11 @@ import (
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"fmt"
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v1 "k8s.io/api/core/v1"
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v1affinityhelper "k8s.io/component-helpers/scheduling/corev1/nodeaffinity"
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"k8s.io/klog/v2"
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v1helper "k8s.io/kubernetes/pkg/apis/core/v1/helper"
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"k8s.io/kubernetes/pkg/kubelet/util/format"
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schedulerframework "k8s.io/kubernetes/pkg/scheduler/framework"
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pluginhelper "k8s.io/kubernetes/pkg/scheduler/framework/plugins/helper"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/nodeaffinity"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/nodename"
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"k8s.io/kubernetes/pkg/scheduler/framework/plugins/nodeports"
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@@ -236,7 +236,9 @@ func GeneralPredicates(pod *v1.Pod, nodeInfo *schedulerframework.NodeInfo) ([]Pr
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})
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}
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if !pluginhelper.PodMatchesNodeSelectorAndAffinityTerms(pod, nodeInfo.Node()) {
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// Ignore parsing errors for backwards compatibility.
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match, _ := v1affinityhelper.GetRequiredNodeAffinity(pod).Match(nodeInfo.Node())
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if !match {
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reasons = append(reasons, &PredicateFailureError{nodeaffinity.Name, nodeaffinity.ErrReasonPod})
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}
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if !nodename.Fits(pod, nodeInfo) {
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@@ -1,70 +0,0 @@
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/*
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Copyright 2019 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 helper
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import (
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"k8s.io/api/core/v1"
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"k8s.io/apimachinery/pkg/labels"
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"k8s.io/component-helpers/scheduling/corev1"
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)
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// PodMatchesNodeSelectorAndAffinityTerms checks whether the pod is schedulable onto nodes according to
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// the requirements in both NodeAffinity and nodeSelector.
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func PodMatchesNodeSelectorAndAffinityTerms(pod *v1.Pod, node *v1.Node) bool {
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// Check if node.Labels match pod.Spec.NodeSelector.
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if len(pod.Spec.NodeSelector) > 0 {
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selector := labels.SelectorFromSet(pod.Spec.NodeSelector)
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if !selector.Matches(labels.Set(node.Labels)) {
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return false
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}
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}
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if pod.Spec.Affinity == nil {
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return true
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}
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return NodeMatchesNodeAffinity(pod.Spec.Affinity.NodeAffinity, node)
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}
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// NodeMatchesNodeAffinity checks whether the Node satisfy the given NodeAffinity.
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func NodeMatchesNodeAffinity(affinity *v1.NodeAffinity, node *v1.Node) bool {
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// 1. nil NodeSelector matches all nodes (i.e. does not filter out any nodes)
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// 2. nil []NodeSelectorTerm (equivalent to non-nil empty NodeSelector) matches no nodes
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// 3. zero-length non-nil []NodeSelectorTerm matches no nodes also, just for simplicity
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// 4. nil []NodeSelectorRequirement (equivalent to non-nil empty NodeSelectorTerm) matches no nodes
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// 5. zero-length non-nil []NodeSelectorRequirement matches no nodes also, just for simplicity
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// 6. non-nil empty NodeSelectorRequirement is not allowed
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if affinity == nil {
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return true
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}
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// Match node selector for requiredDuringSchedulingRequiredDuringExecution.
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// TODO: Uncomment this block when implement RequiredDuringSchedulingRequiredDuringExecution.
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// if affinity.RequiredDuringSchedulingRequiredDuringExecution != nil && !nodeMatchesNodeSelector(node, affinity.RequiredDuringSchedulingRequiredDuringExecution) {
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// return false
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// }
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// Match node selector for requiredDuringSchedulingIgnoredDuringExecution.
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if affinity.RequiredDuringSchedulingIgnoredDuringExecution != nil && !nodeMatchesNodeSelector(node, affinity.RequiredDuringSchedulingIgnoredDuringExecution) {
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return false
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}
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return true
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}
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// nodeMatchesNodeSelector checks if a node's labels satisfy a list of node selector terms,
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// terms are ORed, and an empty list of terms will match nothing.
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func nodeMatchesNodeSelector(node *v1.Node, nodeSelector *v1.NodeSelector) bool {
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matches, _ := corev1.MatchNodeSelectorTerms(node, nodeSelector)
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return matches
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}
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@@ -1,711 +0,0 @@
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/*
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Copyright 2019 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 helper
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import (
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"testing"
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v1 "k8s.io/api/core/v1"
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metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
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)
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func TestPodMatchesNodeSelectorAndAffinityTerms(t *testing.T) {
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tests := []struct {
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name string
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pod *v1.Pod
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labels map[string]string
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nodeName string
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want bool
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}{
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{
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name: "no selector",
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pod: &v1.Pod{},
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want: true,
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},
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{
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name: "missing labels",
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pod: &v1.Pod{
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Spec: v1.PodSpec{
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NodeSelector: map[string]string{
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"foo": "bar",
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},
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},
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},
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want: false,
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},
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{
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name: "same labels",
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pod: &v1.Pod{
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Spec: v1.PodSpec{
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NodeSelector: map[string]string{
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"foo": "bar",
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},
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},
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},
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labels: map[string]string{
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"foo": "bar",
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},
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want: true,
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},
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{
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name: "node labels are superset",
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pod: &v1.Pod{
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Spec: v1.PodSpec{
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NodeSelector: map[string]string{
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"foo": "bar",
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},
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},
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},
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labels: map[string]string{
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"foo": "bar",
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"baz": "blah",
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},
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want: true,
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},
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{
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name: "node labels are subset",
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pod: &v1.Pod{
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Spec: v1.PodSpec{
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NodeSelector: map[string]string{
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"foo": "bar",
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"baz": "blah",
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},
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},
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},
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labels: map[string]string{
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"foo": "bar",
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},
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want: false,
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},
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{
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name: "Pod with matchExpressions using In operator that matches the existing node",
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pod: &v1.Pod{
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Spec: v1.PodSpec{
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Affinity: &v1.Affinity{
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NodeAffinity: &v1.NodeAffinity{
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RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
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NodeSelectorTerms: []v1.NodeSelectorTerm{
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{
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MatchExpressions: []v1.NodeSelectorRequirement{
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{
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Key: "foo",
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Operator: v1.NodeSelectorOpIn,
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Values: []string{"bar", "value2"},
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},
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},
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},
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},
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},
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},
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},
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},
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},
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labels: map[string]string{
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"foo": "bar",
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},
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want: true,
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},
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{
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name: "Pod with matchExpressions using Gt operator that matches the existing node",
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pod: &v1.Pod{
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Spec: v1.PodSpec{
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Affinity: &v1.Affinity{
|
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NodeAffinity: &v1.NodeAffinity{
|
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RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
|
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NodeSelectorTerms: []v1.NodeSelectorTerm{
|
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{
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MatchExpressions: []v1.NodeSelectorRequirement{
|
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{
|
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Key: "kernel-version",
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Operator: v1.NodeSelectorOpGt,
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Values: []string{"0204"},
|
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},
|
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},
|
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},
|
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},
|
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},
|
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},
|
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},
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},
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},
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labels: map[string]string{
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// We use two digit to denote major version and two digit for minor version.
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"kernel-version": "0206",
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},
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want: true,
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},
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{
|
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name: "Pod with matchExpressions using NotIn operator that matches the existing node",
|
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pod: &v1.Pod{
|
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Spec: v1.PodSpec{
|
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Affinity: &v1.Affinity{
|
||||
NodeAffinity: &v1.NodeAffinity{
|
||||
RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
|
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NodeSelectorTerms: []v1.NodeSelectorTerm{
|
||||
{
|
||||
MatchExpressions: []v1.NodeSelectorRequirement{
|
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{
|
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Key: "mem-type",
|
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Operator: v1.NodeSelectorOpNotIn,
|
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Values: []string{"DDR", "DDR2"},
|
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},
|
||||
},
|
||||
},
|
||||
},
|
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},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
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labels: map[string]string{
|
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"mem-type": "DDR3",
|
||||
},
|
||||
want: true,
|
||||
},
|
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{
|
||||
name: "Pod with matchExpressions using Exists operator that matches the existing node",
|
||||
pod: &v1.Pod{
|
||||
Spec: v1.PodSpec{
|
||||
Affinity: &v1.Affinity{
|
||||
NodeAffinity: &v1.NodeAffinity{
|
||||
RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
|
||||
NodeSelectorTerms: []v1.NodeSelectorTerm{
|
||||
{
|
||||
MatchExpressions: []v1.NodeSelectorRequirement{
|
||||
{
|
||||
Key: "GPU",
|
||||
Operator: v1.NodeSelectorOpExists,
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
labels: map[string]string{
|
||||
"GPU": "NVIDIA-GRID-K1",
|
||||
},
|
||||
want: true,
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{
|
||||
Spec: v1.PodSpec{
|
||||
Affinity: &v1.Affinity{
|
||||
NodeAffinity: &v1.NodeAffinity{
|
||||
RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
|
||||
NodeSelectorTerms: []v1.NodeSelectorTerm{
|
||||
{
|
||||
MatchExpressions: []v1.NodeSelectorRequirement{
|
||||
{
|
||||
Key: "foo",
|
||||
Operator: v1.NodeSelectorOpIn,
|
||||
Values: []string{"value1", "value2"},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
labels: map[string]string{
|
||||
"foo": "bar",
|
||||
},
|
||||
want: false,
|
||||
name: "Pod with affinity that don't match node's labels won't schedule onto the node",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{
|
||||
Spec: v1.PodSpec{
|
||||
Affinity: &v1.Affinity{
|
||||
NodeAffinity: &v1.NodeAffinity{
|
||||
RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
|
||||
NodeSelectorTerms: nil,
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
labels: map[string]string{
|
||||
"foo": "bar",
|
||||
},
|
||||
want: false,
|
||||
name: "Pod with a nil []NodeSelectorTerm in affinity, can't match the node's labels and won't schedule onto the node",
|
||||
},
|
||||
{
|
||||
pod: &v1.Pod{
|
||||
Spec: v1.PodSpec{
|
||||
Affinity: &v1.Affinity{
|
||||
NodeAffinity: &v1.NodeAffinity{
|
||||
RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
|
||||
NodeSelectorTerms: []v1.NodeSelectorTerm{},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
labels: map[string]string{
|
||||
"foo": "bar",
|
||||
},
|
||||
want: false,
|
||||
name: "Pod with an empty []NodeSelectorTerm in affinity, can't match the node's labels and won't schedule onto the node",
|
||||
},
|
||||
{
|
||||
name: "Pod with empty MatchExpressions is not a valid value will match no objects and won't schedule onto the node",
|
||||
pod: &v1.Pod{
|
||||
Spec: v1.PodSpec{
|
||||
Affinity: &v1.Affinity{
|
||||
NodeAffinity: &v1.NodeAffinity{
|
||||
RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
|
||||
NodeSelectorTerms: []v1.NodeSelectorTerm{
|
||||
{
|
||||
MatchExpressions: []v1.NodeSelectorRequirement{},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
labels: map[string]string{
|
||||
"foo": "bar",
|
||||
},
|
||||
want: false,
|
||||
},
|
||||
{
|
||||
name: "Pod with no Affinity will schedule onto a node",
|
||||
pod: &v1.Pod{},
|
||||
labels: map[string]string{
|
||||
"foo": "bar",
|
||||
},
|
||||
want: true,
|
||||
},
|
||||
{
|
||||
name: "Pod with Affinity but nil NodeSelector will schedule onto a node",
|
||||
pod: &v1.Pod{
|
||||
Spec: v1.PodSpec{
|
||||
Affinity: &v1.Affinity{
|
||||
NodeAffinity: &v1.NodeAffinity{
|
||||
RequiredDuringSchedulingIgnoredDuringExecution: nil,
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
labels: map[string]string{
|
||||
"foo": "bar",
|
||||
},
|
||||
want: true,
|
||||
},
|
||||
{
|
||||
name: "Pod with multiple matchExpressions ANDed that matches the existing node",
|
||||
pod: &v1.Pod{
|
||||
Spec: v1.PodSpec{
|
||||
Affinity: &v1.Affinity{
|
||||
NodeAffinity: &v1.NodeAffinity{
|
||||
RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
|
||||
NodeSelectorTerms: []v1.NodeSelectorTerm{
|
||||
{
|
||||
MatchExpressions: []v1.NodeSelectorRequirement{
|
||||
{
|
||||
Key: "GPU",
|
||||
Operator: v1.NodeSelectorOpExists,
|
||||
}, {
|
||||
Key: "GPU",
|
||||
Operator: v1.NodeSelectorOpNotIn,
|
||||
Values: []string{"AMD", "INTER"},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
labels: map[string]string{
|
||||
"GPU": "NVIDIA-GRID-K1",
|
||||
},
|
||||
want: true,
|
||||
},
|
||||
{
|
||||
name: "Pod with multiple matchExpressions ANDed that doesn't match the existing node",
|
||||
pod: &v1.Pod{
|
||||
Spec: v1.PodSpec{
|
||||
Affinity: &v1.Affinity{
|
||||
NodeAffinity: &v1.NodeAffinity{
|
||||
RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
|
||||
NodeSelectorTerms: []v1.NodeSelectorTerm{
|
||||
{
|
||||
MatchExpressions: []v1.NodeSelectorRequirement{
|
||||
{
|
||||
Key: "GPU",
|
||||
Operator: v1.NodeSelectorOpExists,
|
||||
}, {
|
||||
Key: "GPU",
|
||||
Operator: v1.NodeSelectorOpIn,
|
||||
Values: []string{"AMD", "INTER"},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
labels: map[string]string{
|
||||
"GPU": "NVIDIA-GRID-K1",
|
||||
},
|
||||
want: false,
|
||||
},
|
||||
{
|
||||
name: "Pod with multiple NodeSelectorTerms ORed in affinity, matches the node's labels and will schedule onto the node",
|
||||
pod: &v1.Pod{
|
||||
Spec: v1.PodSpec{
|
||||
Affinity: &v1.Affinity{
|
||||
NodeAffinity: &v1.NodeAffinity{
|
||||
RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
|
||||
NodeSelectorTerms: []v1.NodeSelectorTerm{
|
||||
{
|
||||
MatchExpressions: []v1.NodeSelectorRequirement{
|
||||
{
|
||||
Key: "foo",
|
||||
Operator: v1.NodeSelectorOpIn,
|
||||
Values: []string{"bar", "value2"},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
MatchExpressions: []v1.NodeSelectorRequirement{
|
||||
{
|
||||
Key: "diffkey",
|
||||
Operator: v1.NodeSelectorOpIn,
|
||||
Values: []string{"wrong", "value2"},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
labels: map[string]string{
|
||||
"foo": "bar",
|
||||
},
|
||||
want: true,
|
||||
},
|
||||
{
|
||||
name: "Pod with an Affinity and a PodSpec.NodeSelector(the old thing that we are deprecating) " +
|
||||
"both are satisfied, will schedule onto the node",
|
||||
pod: &v1.Pod{
|
||||
Spec: v1.PodSpec{
|
||||
NodeSelector: map[string]string{
|
||||
"foo": "bar",
|
||||
},
|
||||
Affinity: &v1.Affinity{
|
||||
NodeAffinity: &v1.NodeAffinity{
|
||||
RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
|
||||
NodeSelectorTerms: []v1.NodeSelectorTerm{
|
||||
{
|
||||
MatchExpressions: []v1.NodeSelectorRequirement{
|
||||
{
|
||||
Key: "foo",
|
||||
Operator: v1.NodeSelectorOpExists,
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
labels: map[string]string{
|
||||
"foo": "bar",
|
||||
},
|
||||
want: true,
|
||||
},
|
||||
{
|
||||
name: "Pod with an Affinity matches node's labels but the PodSpec.NodeSelector(the old thing that we are deprecating) " +
|
||||
"is not satisfied, won't schedule onto the node",
|
||||
pod: &v1.Pod{
|
||||
Spec: v1.PodSpec{
|
||||
NodeSelector: map[string]string{
|
||||
"foo": "bar",
|
||||
},
|
||||
Affinity: &v1.Affinity{
|
||||
NodeAffinity: &v1.NodeAffinity{
|
||||
RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
|
||||
NodeSelectorTerms: []v1.NodeSelectorTerm{
|
||||
{
|
||||
MatchExpressions: []v1.NodeSelectorRequirement{
|
||||
{
|
||||
Key: "foo",
|
||||
Operator: v1.NodeSelectorOpExists,
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
labels: map[string]string{
|
||||
"foo": "barrrrrr",
|
||||
},
|
||||
want: false,
|
||||
},
|
||||
{
|
||||
name: "Pod with an invalid value in Affinity term won't be scheduled onto the node",
|
||||
pod: &v1.Pod{
|
||||
Spec: v1.PodSpec{
|
||||
Affinity: &v1.Affinity{
|
||||
NodeAffinity: &v1.NodeAffinity{
|
||||
RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
|
||||
NodeSelectorTerms: []v1.NodeSelectorTerm{
|
||||
{
|
||||
MatchExpressions: []v1.NodeSelectorRequirement{
|
||||
{
|
||||
Key: "foo",
|
||||
Operator: v1.NodeSelectorOpNotIn,
|
||||
Values: []string{"invalid value: ___@#$%^"},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
labels: map[string]string{
|
||||
"foo": "bar",
|
||||
},
|
||||
want: false,
|
||||
},
|
||||
{
|
||||
name: "Pod with matchFields using In operator that matches the existing node",
|
||||
pod: &v1.Pod{
|
||||
Spec: v1.PodSpec{
|
||||
Affinity: &v1.Affinity{
|
||||
NodeAffinity: &v1.NodeAffinity{
|
||||
RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
|
||||
NodeSelectorTerms: []v1.NodeSelectorTerm{
|
||||
{
|
||||
MatchFields: []v1.NodeSelectorRequirement{
|
||||
{
|
||||
Key: metav1.ObjectNameField,
|
||||
Operator: v1.NodeSelectorOpIn,
|
||||
Values: []string{"node_1"},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
nodeName: "node_1",
|
||||
want: true,
|
||||
},
|
||||
{
|
||||
name: "Pod with matchFields using In operator that does not match the existing node",
|
||||
pod: &v1.Pod{
|
||||
Spec: v1.PodSpec{
|
||||
Affinity: &v1.Affinity{
|
||||
NodeAffinity: &v1.NodeAffinity{
|
||||
RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
|
||||
NodeSelectorTerms: []v1.NodeSelectorTerm{
|
||||
{
|
||||
MatchFields: []v1.NodeSelectorRequirement{
|
||||
{
|
||||
Key: metav1.ObjectNameField,
|
||||
Operator: v1.NodeSelectorOpIn,
|
||||
Values: []string{"node_1"},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
nodeName: "node_2",
|
||||
want: false,
|
||||
},
|
||||
{
|
||||
name: "Pod with two terms: matchFields does not match, but matchExpressions matches",
|
||||
pod: &v1.Pod{
|
||||
Spec: v1.PodSpec{
|
||||
Affinity: &v1.Affinity{
|
||||
NodeAffinity: &v1.NodeAffinity{
|
||||
RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
|
||||
NodeSelectorTerms: []v1.NodeSelectorTerm{
|
||||
{
|
||||
MatchFields: []v1.NodeSelectorRequirement{
|
||||
{
|
||||
Key: metav1.ObjectNameField,
|
||||
Operator: v1.NodeSelectorOpIn,
|
||||
Values: []string{"node_1"},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
MatchExpressions: []v1.NodeSelectorRequirement{
|
||||
{
|
||||
Key: "foo",
|
||||
Operator: v1.NodeSelectorOpIn,
|
||||
Values: []string{"bar"},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
nodeName: "node_2",
|
||||
labels: map[string]string{"foo": "bar"},
|
||||
want: true,
|
||||
},
|
||||
{
|
||||
name: "Pod with one term: matchFields does not match, but matchExpressions matches",
|
||||
pod: &v1.Pod{
|
||||
Spec: v1.PodSpec{
|
||||
Affinity: &v1.Affinity{
|
||||
NodeAffinity: &v1.NodeAffinity{
|
||||
RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
|
||||
NodeSelectorTerms: []v1.NodeSelectorTerm{
|
||||
{
|
||||
MatchFields: []v1.NodeSelectorRequirement{
|
||||
{
|
||||
Key: metav1.ObjectNameField,
|
||||
Operator: v1.NodeSelectorOpIn,
|
||||
Values: []string{"node_1"},
|
||||
},
|
||||
},
|
||||
MatchExpressions: []v1.NodeSelectorRequirement{
|
||||
{
|
||||
Key: "foo",
|
||||
Operator: v1.NodeSelectorOpIn,
|
||||
Values: []string{"bar"},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
nodeName: "node_2",
|
||||
labels: map[string]string{"foo": "bar"},
|
||||
want: false,
|
||||
},
|
||||
{
|
||||
name: "Pod with one term: both matchFields and matchExpressions match",
|
||||
pod: &v1.Pod{
|
||||
Spec: v1.PodSpec{
|
||||
Affinity: &v1.Affinity{
|
||||
NodeAffinity: &v1.NodeAffinity{
|
||||
RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
|
||||
NodeSelectorTerms: []v1.NodeSelectorTerm{
|
||||
{
|
||||
MatchFields: []v1.NodeSelectorRequirement{
|
||||
{
|
||||
Key: metav1.ObjectNameField,
|
||||
Operator: v1.NodeSelectorOpIn,
|
||||
Values: []string{"node_1"},
|
||||
},
|
||||
},
|
||||
MatchExpressions: []v1.NodeSelectorRequirement{
|
||||
{
|
||||
Key: "foo",
|
||||
Operator: v1.NodeSelectorOpIn,
|
||||
Values: []string{"bar"},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
nodeName: "node_1",
|
||||
labels: map[string]string{"foo": "bar"},
|
||||
want: true,
|
||||
},
|
||||
{
|
||||
name: "Pod with two terms: both matchFields and matchExpressions do not match",
|
||||
pod: &v1.Pod{
|
||||
Spec: v1.PodSpec{
|
||||
Affinity: &v1.Affinity{
|
||||
NodeAffinity: &v1.NodeAffinity{
|
||||
RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
|
||||
NodeSelectorTerms: []v1.NodeSelectorTerm{
|
||||
{
|
||||
MatchFields: []v1.NodeSelectorRequirement{
|
||||
{
|
||||
Key: metav1.ObjectNameField,
|
||||
Operator: v1.NodeSelectorOpIn,
|
||||
Values: []string{"node_1"},
|
||||
},
|
||||
},
|
||||
},
|
||||
{
|
||||
MatchExpressions: []v1.NodeSelectorRequirement{
|
||||
{
|
||||
Key: "foo",
|
||||
Operator: v1.NodeSelectorOpIn,
|
||||
Values: []string{"not-match-to-bar"},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
},
|
||||
nodeName: "node_2",
|
||||
labels: map[string]string{"foo": "bar"},
|
||||
want: false,
|
||||
},
|
||||
}
|
||||
|
||||
for _, test := range tests {
|
||||
t.Run(test.name, func(t *testing.T) {
|
||||
node := v1.Node{ObjectMeta: metav1.ObjectMeta{
|
||||
Name: test.nodeName,
|
||||
Labels: test.labels,
|
||||
}}
|
||||
got := PodMatchesNodeSelectorAndAffinityTerms(test.pod, &node)
|
||||
if test.want != got {
|
||||
t.Errorf("expected: %v got %v", test.want, got)
|
||||
}
|
||||
})
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user