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Add: test to ensure that a set of pod templates can be removed by delete collection

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This commit is contained in:
Stephen Heywood 2020-05-19 04:33:08 +00:00
parent 590365cb70
commit 8ccf59027e
1 changed files with 76 additions and 0 deletions
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76
test/e2e/common/podtemplates.go
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@ -25,6 +25,7 @@ import (
"k8s.io/apimachinery/pkg/types"
"k8s.io/apimachinery/pkg/util/uuid"
"k8s.io/kubernetes/test/e2e/framework"
"strconv"
"github.com/onsi/ginkgo"
)
@ -99,4 +100,79 @@ var _ = ginkgo.Describe("[sig-node] PodTemplates", func() {
framework.ExpectNoError(err, "failed to list PodTemplate")
framework.ExpectEqual(len(podTemplateList.Items), 0, "PodTemplate list returned items, failed to delete PodTemplate")
})
ginkgo.It("should delete a collection of pod templates", func() {
podTemplateNames := []string{"test-podtemplate-1", "test-podtemplate-2", "test-podtemplate-3"}
podTemplateNamesCount := len(podTemplateNames)
ginkgo.By("Create set of pod templates")
// create a set of pod templates in test namespace
for _, podTemplateName := range podTemplateNames {
_, err := f.ClientSet.CoreV1().PodTemplates(f.Namespace.Name).Create(context.TODO(), &v1.PodTemplate{
ObjectMeta: metav1.ObjectMeta{
Name: podTemplateName,
Labels: map[string]string{"podtemplate-set": "true"},
},
Template: v1.PodTemplateSpec{
Spec: v1.PodSpec{
Containers: []v1.Container{
{Name: "nginx", Image: "nginx"},
},
},
},
}, metav1.CreateOptions{})
framework.ExpectNoError(err, "failed to create pod template")
framework.Logf("created %v", podTemplateName)
}
ginkgo.By("get a list of pod templates with a label in the current namespace")
// get a list of pod templates
podTemplateList, err := f.ClientSet.CoreV1().PodTemplates(f.Namespace.Name).List(context.TODO(), metav1.ListOptions{
LabelSelector: "podtemplate-set=true",
})
framework.ExpectNoError(err, "failed to get a list of pod templates")
// check that we find all the pod templates created
podTemplateListItemsCount := len(podTemplateList.Items)
errMsg := "found " + strconv.Itoa(podTemplateListItemsCount) + " pod templates when " + strconv.Itoa(podTemplateNamesCount) + " pod templates where expected"
logMsg := "found " + strconv.Itoa(podTemplateListItemsCount) + " pod templates"
foundCreatedSet := true
if podTemplateListItemsCount != podTemplateNamesCount {
foundCreatedSet = false
} else {
framework.Logf(logMsg)
}
framework.ExpectEqual(foundCreatedSet, true, errMsg)
ginkgo.By("delete collection of pod templates")
// delete collection
framework.Logf("requesting DeleteCollection of pod templates")
err = f.ClientSet.CoreV1().PodTemplates(f.Namespace.Name).DeleteCollection(context.TODO(), metav1.DeleteOptions{}, metav1.ListOptions{
LabelSelector: "podtemplate-set=true"})
framework.ExpectNoError(err, "failed to delete all pod templates")
ginkgo.By("get a list of pod templates with a label in the current namespace")
// get list of pod templates
podTemplateList, err = f.ClientSet.CoreV1().PodTemplates(f.Namespace.Name).List(context.TODO(), metav1.ListOptions{
LabelSelector: "podtemplate-set=true",
})
framework.ExpectNoError(err, "failed to get a list of pod templates")
// check that we don't find any created pod templates
podTemplateListItemsCount = len(podTemplateList.Items)
errMsg = "found " + strconv.Itoa(podTemplateListItemsCount) + " pod templates when zero pod templates where expected"
logMsg = "found " + strconv.Itoa(podTemplateListItemsCount) + " pod templates"
foundCreatedSet = false
if podTemplateListItemsCount != 0 {
foundCreatedSet = true
} else {
framework.Logf(logMsg)
}
framework.ExpectEqual(foundCreatedSet, false, errMsg)
})
})