Skip to content
New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

E2E for Predicates #366

Merged
merged 1 commit into from
Jul 20, 2019
Merged
Show file tree
Hide file tree
Changes from all commits
Commits
File filter

Filter by extension

Filter by extension

Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
254 changes: 254 additions & 0 deletions test/e2e/predicates.go
Original file line number Diff line number Diff line change
Expand Up @@ -19,6 +19,9 @@ package e2e
import (
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"

v1 "k8s.io/api/core/v1"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
)

var _ = Describe("Predicates E2E Test", func() {
Expand Down Expand Up @@ -51,4 +54,255 @@ var _ = Describe("Predicates E2E Test", func() {
Expect(err).NotTo(HaveOccurred())
})

It("NodeAffinity", func() {
context := initTestContext()
defer cleanupTestContext(context)

slot := oneCPU
nodeName, rep := computeNode(context, oneCPU)
Expect(rep).NotTo(Equal(0))

affinity := &v1.Affinity{
NodeAffinity: &v1.NodeAffinity{
RequiredDuringSchedulingIgnoredDuringExecution: &v1.NodeSelector{
NodeSelectorTerms: []v1.NodeSelectorTerm{
{
MatchFields: []v1.NodeSelectorRequirement{
{
Key: nodeFieldSelectorKeyNodeName,
Operator: v1.NodeSelectorOpIn,
Values: []string{nodeName},
},
},
},
},
},
},
}

spec := &jobSpec{
name: "na-job",
tasks: []taskSpec{
{
img: "nginx",
req: slot,
min: 1,
rep: rep,
affinity: affinity,
},
},
}

job := createJob(context, spec)
err := waitTasksReady(context, job, int(rep))
Expect(err).NotTo(HaveOccurred())

pods := getTasksOfJob(context, job)
for _, pod := range pods {
Expect(pod.Spec.NodeName).To(Equal(nodeName))
}
})

It("Pod Affinity", func() {
context := initTestContext()
defer cleanupTestContext(context)

slot := oneCPU
_, rep := computeNode(context, oneCPU)
Expect(rep).NotTo(Equal(0))

labels := map[string]string{"foo": "bar"}

affinity := &v1.Affinity{
PodAffinity: &v1.PodAffinity{
RequiredDuringSchedulingIgnoredDuringExecution: []v1.PodAffinityTerm{
{
LabelSelector: &metav1.LabelSelector{
MatchLabels: labels,
},
TopologyKey: "kubernetes.io/hostname",
},
},
},
}

spec := &jobSpec{
name: "pa-job",
tasks: []taskSpec{
{
img: "nginx",
req: slot,
min: rep,
rep: rep,
affinity: affinity,
labels: labels,
},
},
}

job := createJob(context, spec)
err := waitTasksReady(context, job, int(rep))
Expect(err).NotTo(HaveOccurred())

pods := getTasksOfJob(context, job)
// All pods should be scheduled to the same node.
nodeName := pods[0].Spec.NodeName
for _, pod := range pods {
Expect(pod.Spec.NodeName).To(Equal(nodeName))
}
})

It("Pod Anti-Affinity", func() {
context := initTestContext()
defer cleanupTestContext(context)

slot := oneCPU

labels := map[string]string{"foo": "bar"}

affinity := &v1.Affinity{
PodAntiAffinity: &v1.PodAntiAffinity{
RequiredDuringSchedulingIgnoredDuringExecution: []v1.PodAffinityTerm{
{
LabelSelector: &metav1.LabelSelector{
MatchLabels: labels,
},
TopologyKey: "kubernetes.io/hostname",
},
},
},
}

spec := &jobSpec{
name: "pa-job",
tasks: []taskSpec{
{
img: "nginx",
req: slot,
min: 2,
rep: 2,
affinity: affinity,
labels: labels,
},
},
}

job := createJob(context, spec)
err := waitTasksReady(context, job, 2)
Expect(err).NotTo(HaveOccurred())

pods := getTasksOfJob(context, job)
// All pods should be scheduled to the same node.
nodeName := pods[0].Spec.NodeName

for index, pod := range pods {
if index != 0 {
Expect(pod.Spec.NodeName).NotTo(Equal(nodeName))
}
}
})

It("Taints", func() {
context := initTestContext()
defer cleanupTestContext(context)

taints := []v1.Taint{
{
Key: "test-taint-key",
Value: "test-taint-val",
Effect: v1.TaintEffectNoSchedule,
},
}
defer removeTaintsFromAllNodes(context, taints)

err := taintAllNodes(context, taints)
Expect(err).NotTo(HaveOccurred())

spec := &jobSpec{
name: "tt-job",
tasks: []taskSpec{
{
img: "nginx",
req: oneCPU,
min: 1,
rep: 1,
},
},
}

job := createJob(context, spec)
err = waitTasksPending(context, job, 1)
Expect(err).NotTo(HaveOccurred())

err = removeTaintsFromAllNodes(context, taints)
Expect(err).NotTo(HaveOccurred())

err = waitTasksReady(context, job, 1)
Expect(err).NotTo(HaveOccurred())
})

It("Taints and Tolerations", func() {
context := initTestContext()
defer cleanupTestContext(context)

taints := []v1.Taint{
{
Key: "test-taint-key",
Value: "test-taint-val",
Effect: v1.TaintEffectNoSchedule,
},
}
defer removeTaintsFromAllNodes(context, taints)

tolerations := []v1.Toleration{
{
Key: "test-taint-key",
Value: "test-taint-val",
Operator: v1.TolerationOpEqual,
Effect: v1.TaintEffectNoSchedule,
},
}

err := taintAllNodes(context, taints)
Expect(err).NotTo(HaveOccurred())

spec1 := &jobSpec{
name: "tt-job",
tasks: []taskSpec{
{
img: "nginx",
req: oneCPU,
min: 1,
rep: 1,
tolerations: tolerations,
},
},
}

spec2 := &jobSpec{
name: "tt-job-no-toleration",
tasks: []taskSpec{
{
img: "nginx",
req: oneCPU,
min: 1,
rep: 1,
},
},
}

job1 := createJob(context, spec1)
err = waitTasksReady(context, job1, 1)
Expect(err).NotTo(HaveOccurred())

job2 := createJob(context, spec2)
err = waitTasksPending(context, job2, 1)
Expect(err).NotTo(HaveOccurred())

err = removeTaintsFromAllNodes(context, taints)
Expect(err).NotTo(HaveOccurred())

err = waitTasksReady(context, job2, 1)
Expect(err).NotTo(HaveOccurred())
})
})
20 changes: 13 additions & 7 deletions test/e2e/util.go
Original file line number Diff line number Diff line change
Expand Up @@ -38,6 +38,7 @@ import (
"k8s.io/apimachinery/pkg/util/wait"
"k8s.io/client-go/kubernetes"
"k8s.io/client-go/tools/clientcmd"
api "k8s.io/kubernetes/pkg/apis/core"

kbv1 "volcano.sh/volcano/pkg/apis/scheduling/v1alpha1"
kbver "volcano.sh/volcano/pkg/client/clientset/versioned"
Expand All @@ -55,12 +56,13 @@ var (
)

const (
timeOutMessage = "timed out waiting for the condition"
workerPriority = "worker-pri"
masterPriority = "master-pri"
defaultNginxImage = "nginx:1.14"
defaultBusyBoxImage = "busybox:1.24"
defaultMPIImage = "volcanosh/example-mpi:0.0.1"
timeOutMessage = "timed out waiting for the condition"
workerPriority = "worker-pri"
masterPriority = "master-pri"
defaultNginxImage = "nginx:1.14"
nodeFieldSelectorKeyNodeName = api.ObjectNameField
defaultBusyBoxImage = "busybox:1.24"
defaultMPIImage = "volcanosh/example-mpi:0.0.1"

defaultNamespace = "test"
defaultQueue1 = "q1"
Expand Down Expand Up @@ -268,6 +270,7 @@ type taskSpec struct {
labels map[string]string
policies []vkv1.LifecyclePolicy
restartPolicy v1.RestartPolicy
tolerations []v1.Toleration
defaultGracefulPeriod *int64
}

Expand Down Expand Up @@ -342,6 +345,7 @@ func createJobInner(context *context, jobSpec *jobSpec) (*vkv1.Job, error) {
RestartPolicy: restartPolicy,
Containers: createContainers(task.img, task.command, task.workingDir, task.req, task.limit, task.hostport),
Affinity: task.affinity,
Tolerations: task.tolerations,
},
},
}
Expand Down Expand Up @@ -944,7 +948,9 @@ func getTasksOfJob(ctx *context, job *vkv1.Job) []*v1.Pod {
if !metav1.IsControlledBy(&pod, job) {
continue
}
tasks = append(tasks, &pod)
var duplicatePod *v1.Pod
duplicatePod = pod.DeepCopy()
tasks = append(tasks, duplicatePod)
}

return tasks
Expand Down