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Merge pull request #47 from cynepco3hahue/machine-healthcheck-tests
Machine healthcheck tests
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,122 @@ | ||
| package framework | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "github.com/ghodss/yaml" | ||
| healthcheckingv1alpha1 "github.com/openshift/machine-api-operator/pkg/apis/healthchecking/v1alpha1" | ||
| "github.com/openshift/machine-api-operator/pkg/util/conditions" | ||
|
|
||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/types" | ||
| "k8s.io/apimachinery/pkg/util/rand" | ||
| ) | ||
|
|
||
| const ( | ||
| // KubeletKillerPodName contains the name of the pod that stops kubelet process | ||
| KubeletKillerPodName = "kubelet-killer" | ||
| // NodeWorkerLabel contains label that every worker node has | ||
| NodeWorkerLabel = "node-role.kubernetes.io/worker" | ||
| // MachineHealthCheckName contains the name of the machinehealthcheck used for tests | ||
| MachineHealthCheckName = "workers-check" | ||
| ) | ||
|
|
||
| // CreateUnhealthyConditionsConfigMap creates node-unhealthy-conditions configmap with relevant conditions | ||
| func CreateUnhealthyConditionsConfigMap(unhealthyConditions *conditions.UnhealthyConditions) error { | ||
| client, err := LoadClient() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| cm := &corev1.ConfigMap{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Namespace: TestContext.MachineApiNamespace, | ||
| Name: healthcheckingv1alpha1.ConfigMapNodeUnhealthyConditions, | ||
| }, | ||
| } | ||
|
|
||
| conditionsData, err := yaml.Marshal(unhealthyConditions) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| cm.Data = map[string]string{"conditions": string(conditionsData)} | ||
| return client.Create(context.TODO(), cm) | ||
| } | ||
|
|
||
| // DeleteUnhealthyConditionsConfigMap deletes node-unhealthy-conditions configmap | ||
| func DeleteUnhealthyConditionsConfigMap() error { | ||
| client, err := LoadClient() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| key := types.NamespacedName{ | ||
| Name: healthcheckingv1alpha1.ConfigMapNodeUnhealthyConditions, | ||
| Namespace: TestContext.MachineApiNamespace, | ||
| } | ||
| cm := &corev1.ConfigMap{} | ||
| err = client.Get(context.TODO(), key, cm) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| return client.Delete(context.TODO(), cm) | ||
| } | ||
|
|
||
| // CreateMachineHealthCheck will create MachineHealthCheck CR with the relevant selector | ||
| func CreateMachineHealthCheck(labels map[string]string) error { | ||
| client, err := LoadClient() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| mhc := &healthcheckingv1alpha1.MachineHealthCheck{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: MachineHealthCheckName, | ||
| Namespace: TestContext.MachineApiNamespace, | ||
| }, | ||
| Spec: healthcheckingv1alpha1.MachineHealthCheckSpec{ | ||
| Selector: metav1.LabelSelector{ | ||
| MatchLabels: labels, | ||
| }, | ||
| }, | ||
| } | ||
| return client.Create(context.TODO(), mhc) | ||
| } | ||
|
|
||
| // StopKubelet creates pod in the node PID namespace that stops kubelet process | ||
| func StopKubelet(nodeName string) error { | ||
| client, err := LoadClient() | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| _true := true | ||
| pod := &corev1.Pod{ | ||
| ObjectMeta: metav1.ObjectMeta{ | ||
| Name: KubeletKillerPodName + rand.String(5), | ||
| Namespace: TestContext.MachineApiNamespace, | ||
| Labels: map[string]string{ | ||
| KubeletKillerPodName: "", | ||
| }, | ||
| }, | ||
| Spec: corev1.PodSpec{ | ||
| RestartPolicy: corev1.RestartPolicyNever, | ||
| Containers: []corev1.Container{ | ||
| { | ||
| Name: KubeletKillerPodName, | ||
| Image: "busybox", | ||
| Command: []string{"pkill", "-STOP", "hyperkube"}, | ||
| SecurityContext: &corev1.SecurityContext{ | ||
| Privileged: &_true, | ||
| }, | ||
| }, | ||
| }, | ||
| NodeName: nodeName, | ||
| HostPID: true, | ||
| }, | ||
| } | ||
| return client.Create(context.TODO(), pod) | ||
| } |
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