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test(discovery/kubernetes): TestPodDiscoveryInitContainer

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Adds a test to check whether an InitContainer is included in the discovery

Signed-off-by: sh0rez <me@shorez.de>
This commit is contained in:
sh0rez 2019-05-28 16:47:29 +02:00
parent fbd5c6f310
commit 6618f28fd7
No known key found for this signature in database
GPG Key ID: 87C71DF9F8181FF1
1 changed files with 67 additions and 0 deletions
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67
discovery/kubernetes/pod_test.go
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@ -117,6 +117,48 @@ func makePods() *v1.Pod {
}
}
func makeInitContainerPods() *v1.Pod {
return &v1.Pod{
ObjectMeta: metav1.ObjectMeta{
Name: "testpod",
Namespace: "default",
UID: types.UID("abc123"),
},
Spec: v1.PodSpec{
NodeName: "testnode",
Containers: []v1.Container{
{
Name: "testcontainer",
Ports: []v1.ContainerPort{
{
Name: "testport",
Protocol: v1.ProtocolTCP,
ContainerPort: int32(9000),
},
},
},
},
InitContainers: []v1.Container{
{
Name: "initcontainer",
},
},
},
Status: v1.PodStatus{
PodIP: "1.2.3.4",
HostIP: "2.3.4.5",
Phase: "Pending",
Conditions: []v1.PodCondition{
{
Type: v1.PodReady,
Status: v1.ConditionFalse,
},
},
},
}
}
func expectedPodTargetGroups(ns string) map[string]*targetgroup.Group {
key := fmt.Sprintf("pod/%s/testpod", ns)
return map[string]*targetgroup.Group{
@ -203,6 +245,31 @@ func TestPodDiscoveryBeforeRun(t *testing.T) {
}.Run(t)
}
func TestPodDiscoveryInitContainer(t *testing.T) {
n, c := makeDiscovery(RolePod, NamespaceDiscovery{})
ns := "default"
key := fmt.Sprintf("pod/%s/testpod", ns)
expected := expectedPodTargetGroups(ns)
expected[key].Targets = append(expected[key].Targets, model.LabelSet{
"__address__": "1.2.3.4",
"__meta_kubernetes_pod_container_name": "initcontainer",
"__meta_kubernetes_pod_container_is_init": "true",
})
expected[key].Labels["__meta_kubernetes_pod_phase"] = "Pending"
expected[key].Labels["__meta_kubernetes_pod_ready"] = "false"
k8sDiscoveryTest{
discovery: n,
beforeRun: func() {
obj := makeInitContainerPods()
c.CoreV1().Pods(obj.Namespace).Create(obj)
},
expectedMaxItems: 1,
expectedRes: expected,
}.Run(t)
}
func TestPodDiscoveryAdd(t *testing.T) {
n, c := makeDiscovery(RolePod, NamespaceDiscovery{})