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Merge pull request #62453 from k82cn/k8s_61410_2

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Automatic merge from submit-queue. If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

Supported nodeSelector.matchFields in scheduler.

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
part of  #61410

**Special notes for your reviewer**:

**Release note**:
```release-note
Supported nodeSelector.matchFields (node's `metadata.node`) in scheduler.
```
This commit is contained in:
Kubernetes Submit Queue
2018-05-09 02:47:21 -07:00
committed by GitHub
parent ce2bb3d77f b1a7f85c9e
commit 0949cefd7b
6 changed files with 227 additions and 18 deletions
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206
pkg/scheduler/algorithm/predicates/predicates_test.go
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@@ -911,10 +911,11 @@ func TestISCSIDiskConflicts(t *testing.T) {
// TODO: Add test case for RequiredDuringSchedulingRequiredDuringExecution after it's implemented.
func TestPodFitsSelector(t *testing.T) {
tests := []struct {
pod *v1.Pod
labels map[string]string
fits bool
test string
pod *v1.Pod
labels map[string]string
nodeName string
fits bool
test string
}{
{
pod: &v1.Pod{},
@@ -1387,11 +1388,206 @@ func TestPodFitsSelector(t *testing.T) {
fits: false,
test: "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{
{
MatchFields: []v1.NodeSelectorRequirement{
{
Key: algorithm.NodeFieldSelectorKeyNodeName,
Operator: v1.NodeSelectorOpIn,
Values: []string{"node_1"},
},
},
},
},
},
},
},
},
},
nodeName: "node_1",
fits: true,
test: "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: algorithm.NodeFieldSelectorKeyNodeName,
Operator: v1.NodeSelectorOpIn,
Values: []string{"node_1"},
},
},
},
},
},
},
},
},
},
nodeName: "node_2",
fits: false,
test: "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: algorithm.NodeFieldSelectorKeyNodeName,
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"},
fits: true,
test: "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: algorithm.NodeFieldSelectorKeyNodeName,
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"},
fits: false,
test: "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: algorithm.NodeFieldSelectorKeyNodeName,
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"},
fits: true,
test: "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: algorithm.NodeFieldSelectorKeyNodeName,
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"},
fits: false,
test: "Pod with two terms: both matchFields and matchExpressions do not match",
},
}
expectedFailureReasons := []algorithm.PredicateFailureReason{ErrNodeSelectorNotMatch}
for _, test := range tests {
node := v1.Node{ObjectMeta: metav1.ObjectMeta{Labels: test.labels}}
node := v1.Node{ObjectMeta: metav1.ObjectMeta{
Name: test.nodeName,
Labels: test.labels,
}}
nodeInfo := schedulercache.NewNodeInfo()
nodeInfo.SetNode(&node)