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Add api-side enablement tests for nodeInclusionPolicy

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Signed-off-by: kerthcet <kerthcet@gmail.com>
This commit is contained in:
kerthcet 2022-09-30 23:57:58 +08:00
parent 3e8c848cfc
commit 21dea23f56
1 changed files with 89 additions and 1 deletions
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90
pkg/registry/core/pod/strategy_test.go
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@ -25,6 +25,7 @@ import (
"testing"
"github.com/google/go-cmp/cmp"
"github.com/google/go-cmp/cmp/cmpopts"
"github.com/stretchr/testify/require"
v1 "k8s.io/api/core/v1"
"k8s.io/apimachinery/pkg/api/errors"
@ -38,11 +39,12 @@ import (
utilfeature "k8s.io/apiserver/pkg/util/feature"
"k8s.io/client-go/tools/cache"
featuregatetesting "k8s.io/component-base/featuregate/testing"
utilpointer "k8s.io/utils/pointer"
apitesting "k8s.io/kubernetes/pkg/api/testing"
api "k8s.io/kubernetes/pkg/apis/core"
"k8s.io/kubernetes/pkg/features"
"k8s.io/kubernetes/pkg/kubelet/client"
utilpointer "k8s.io/utils/pointer"
// ensure types are installed
_ "k8s.io/kubernetes/pkg/apis/core/install"
@ -1504,3 +1506,89 @@ func TestDropNonEphemeralContainerUpdates(t *testing.T) {
})
}
}
func TestNodeInclusionPolicyEnablement(t *testing.T) {
var (
honor = api.NodeInclusionPolicyHonor
ignore = api.NodeInclusionPolicyIgnore
emptyConstraints = []api.TopologySpreadConstraint{
{
WhenUnsatisfiable: api.DoNotSchedule,
TopologyKey: "kubernetes.io/hostname",
MaxSkew: 1,
},
}
defaultConstraints = []api.TopologySpreadConstraint{
{
NodeAffinityPolicy: &honor,
NodeTaintsPolicy: &ignore,
WhenUnsatisfiable: api.DoNotSchedule,
TopologyKey: "kubernetes.io/hostname",
MaxSkew: 1,
},
}
)
tests := []struct {
name string
topologySpreadConstraints []api.TopologySpreadConstraint
wantTopologySpreadConstraints []api.TopologySpreadConstraint
enableNodeInclusionPolicy bool
}{
{
name: "nodeInclusionPolicy enabled with topology unset",
topologySpreadConstraints: emptyConstraints,
wantTopologySpreadConstraints: emptyConstraints,
enableNodeInclusionPolicy: true,
},
{
name: "nodeInclusionPolicy enabled with topology configured",
topologySpreadConstraints: defaultConstraints,
wantTopologySpreadConstraints: defaultConstraints,
enableNodeInclusionPolicy: true,
},
{
name: "nodeInclusionPolicy disabled with topology configured",
topologySpreadConstraints: defaultConstraints,
wantTopologySpreadConstraints: emptyConstraints,
},
}
for _, tc := range tests {
t.Run(tc.name, func(t *testing.T) {
defer featuregatetesting.SetFeatureGateDuringTest(t, utilfeature.DefaultFeatureGate, features.NodeInclusionPolicyInPodTopologySpread, tc.enableNodeInclusionPolicy)()
pod := &api.Pod{
ObjectMeta: metav1.ObjectMeta{
Namespace: "default",
Name: "foo",
},
Spec: api.PodSpec{
RestartPolicy: api.RestartPolicyAlways,
DNSPolicy: api.DNSDefault,
Containers: []api.Container{
{
Name: "container",
Image: "image",
ImagePullPolicy: "IfNotPresent",
TerminationMessagePolicy: "File",
},
},
},
}
wantPod := pod.DeepCopy()
pod.Spec.TopologySpreadConstraints = append(pod.Spec.TopologySpreadConstraints, tc.topologySpreadConstraints...)
errs := Strategy.Validate(genericapirequest.NewContext(), pod)
if len(errs) != 0 {
t.Errorf("Unexpected error: %v", errs.ToAggregate())
}
Strategy.PrepareForCreate(genericapirequest.NewContext(), pod)
wantPod.Spec.TopologySpreadConstraints = append(wantPod.Spec.TopologySpreadConstraints, tc.wantTopologySpreadConstraints...)
if diff := cmp.Diff(wantPod, pod, cmpopts.IgnoreFields(pod.Status, "Phase", "QOSClass")); diff != "" {
t.Errorf("%s unexpected result (-want, +got): %s", tc.name, diff)
}
})
}
}