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Dynamic provisioning allowed topologies scheduler work

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This commit is contained in:
lichuqiang 2018-05-28 11:13:14 +08:00
parent 77d996b278
commit dffbd75f86
2 changed files with 40 additions and 1 deletions
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7
pkg/controller/volume/persistentvolume/scheduler_binder.go
View File

@ -24,6 +24,7 @@ import (
"k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"k8s.io/apimachinery/pkg/labels"
utilfeature "k8s.io/apiserver/pkg/util/feature"
coreinformers "k8s.io/client-go/informers/core/v1"
storageinformers "k8s.io/client-go/informers/storage/v1"
@ -481,7 +482,11 @@ func (b *volumeBinder) checkVolumeProvisions(pod *v1.Pod, claimsToProvision []*v
return false, nil
}
// TODO: Check if the node can satisfy the topology requirement in the class
// Check if the node can satisfy the topology requirement in the class
if !v1helper.MatchTopologySelectorTerms(class.AllowedTopologies, labels.Set(node.Labels)) {
glog.V(4).Infof("Node %q cannot satisfy provisioning topology requirements of claim %q", node.Name, getPVCName(claim))
return false, nil
}
// TODO: Check if capacity of the node domain in the storage class
// can satisfy resource requirement of given claim

34
pkg/controller/volume/persistentvolume/scheduler_binder_test.go
View File

@ -50,6 +50,7 @@ var (
provisionedPVC2 = makeTestPVC("provisioned-pvc2", "1Gi", pvcUnbound, "", "1", &waitClass)
provisionedPVCHigherVersion = makeTestPVC("provisioned-pvc2", "1Gi", pvcUnbound, "", "2", &waitClass)
noProvisionerPVC = makeTestPVC("no-provisioner-pvc", "1Gi", pvcUnbound, "", "1", &provisionNotSupportClass)
topoMismatchPVC = makeTestPVC("topo-mismatch-pvc", "1Gi", pvcUnbound, "", "1", &topoMismatchClass)
pvNoNode = makeTestPV("pv-no-node", "", "1G", "1", nil, waitClass)
pvNode1a = makeTestPV("pv-node1a", "node1", "5G", "1", nil, waitClass)
@ -74,6 +75,7 @@ var (
waitClass = "waitClass"
immediateClass = "immediateClass"
provisionNotSupportClass = "provisionNotSupportedClass"
topoMismatchClass = "topoMismatchClass"
nodeLabelKey = "nodeKey"
nodeLabelValue = "node1"
@ -112,6 +114,16 @@ func newTestBinder(t *testing.T) *testEnv {
},
VolumeBindingMode: &waitMode,
Provisioner: "test-provisioner",
AllowedTopologies: []v1.TopologySelectorTerm{
{
MatchLabelExpressions: []v1.TopologySelectorLabelRequirement{
{
Key: nodeLabelKey,
Values: []string{nodeLabelValue, "reference-value"},
},
},
},
},
},
{
ObjectMeta: metav1.ObjectMeta{
@ -126,6 +138,23 @@ func newTestBinder(t *testing.T) *testEnv {
VolumeBindingMode: &waitMode,
Provisioner: "kubernetes.io/no-provisioner",
},
{
ObjectMeta: metav1.ObjectMeta{
Name: topoMismatchClass,
},
VolumeBindingMode: &waitMode,
Provisioner: "test-provisioner",
AllowedTopologies: []v1.TopologySelectorTerm{
{
MatchLabelExpressions: []v1.TopologySelectorLabelRequirement{
{
Key: nodeLabelKey,
Values: []string{"reference-value"},
},
},
},
},
},
}
for _, class := range classes {
if err := classInformer.Informer().GetIndexer().Add(class); err != nil {
@ -740,6 +769,11 @@ func TestFindPodVolumesWithProvisioning(t *testing.T) {
expectedUnbound: false,
expectedBound: true,
},
"volume-topology-unsatisfied": {
podPVCs: []*v1.PersistentVolumeClaim{topoMismatchPVC},
expectedUnbound: false,
expectedBound: true,
},
}
// Set VolumeScheduling and DynamicProvisioningScheduling feature gate