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add network connectivity test (#1424)
* add network connectivity test - tests traffic for following scenarios on same node and on different node - Primary ENI IP - Primary ENI IP - Primary ENI IP - Secondary ENI IP - Secondary ENI IP - Secondary ENI IP - traffic type - TCP, UPD, ICMP * add readme for integration testing
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| // Copyright Amazon.com Inc. or its affiliates. All Rights Reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"). You may | ||
| // not use this file except in compliance with the License. A copy of the | ||
| // License is located at | ||
| // | ||
| // http://aws.amazon.com/apache2.0/ | ||
| // | ||
| // or in the "license" file accompanying this file. This file is distributed | ||
| // on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either | ||
| // express or implied. See the License for the specific language governing | ||
| // permissions and limitations under the License. | ||
|
|
||
| package resources | ||
|
|
||
| import ( | ||
| "context" | ||
|
|
||
| "github.com/aws/amazon-vpc-cni-k8s/test/framework/utils" | ||
| v1 "k8s.io/api/apps/v1" | ||
| "k8s.io/apimachinery/pkg/types" | ||
| "k8s.io/apimachinery/pkg/util/wait" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| ) | ||
|
|
||
| type DaemonSetManager interface { | ||
| GetDaemonSet(namespace string, name string) (*v1.DaemonSet, error) | ||
| UpdateAndWaitTillDaemonSetReady(old *v1.DaemonSet, new *v1.DaemonSet) (*v1.DaemonSet, error) | ||
| } | ||
|
|
||
| type defaultDaemonSetManager struct { | ||
| k8sClient client.DelegatingClient | ||
| } | ||
|
|
||
| func NewDefaultDaemonSetManager(k8sClient client.DelegatingClient) DaemonSetManager { | ||
| return &defaultDaemonSetManager{k8sClient: k8sClient} | ||
| } | ||
|
|
||
| func (d *defaultDaemonSetManager) GetDaemonSet(namespace string, name string) (*v1.DaemonSet, error) { | ||
| ctx := context.Background() | ||
| daemonSet := &v1.DaemonSet{} | ||
| err := d.k8sClient.Get(ctx, types.NamespacedName{ | ||
| Namespace: namespace, | ||
| Name: name, | ||
| }, daemonSet) | ||
| return daemonSet, err | ||
| } | ||
|
|
||
| func (d *defaultDaemonSetManager) UpdateAndWaitTillDaemonSetReady(old *v1.DaemonSet, new *v1.DaemonSet) (*v1.DaemonSet, error) { | ||
| ctx := context.Background() | ||
| err := d.k8sClient.Patch(ctx, new, client.MergeFrom(old)) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| observed := &v1.DaemonSet{} | ||
| return observed, wait.PollImmediateUntil(utils.PollIntervalShort, func() (bool, error) { | ||
| if err := d.k8sClient.Get(ctx, utils.NamespacedName(new), observed); err != nil { | ||
| return false, err | ||
| } | ||
| if observed.Status.NumberReady == (new.Status.DesiredNumberScheduled) && | ||
| observed.Status.NumberAvailable == (new.Status.DesiredNumberScheduled) && | ||
| observed.Status.UpdatedNumberScheduled == (new.Status.DesiredNumberScheduled) && | ||
| observed.Status.ObservedGeneration >= new.Generation { | ||
| return true, nil | ||
| } | ||
| return false, nil | ||
| }, ctx.Done()) | ||
| } |
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,105 @@ | ||
| // Copyright Amazon.com Inc. or its affiliates. All Rights Reserved. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"). You may | ||
| // not use this file except in compliance with the License. A copy of the | ||
| // License is located at | ||
| // | ||
| // http://aws.amazon.com/apache2.0/ | ||
| // | ||
| // or in the "license" file accompanying this file. This file is distributed | ||
| // on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either | ||
| // express or implied. See the License for the specific language governing | ||
| // permissions and limitations under the License. | ||
|
|
||
| package resources | ||
|
|
||
| import ( | ||
| "bytes" | ||
| "context" | ||
| "net/http" | ||
|
|
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| v1 "k8s.io/api/core/v1" | ||
| "k8s.io/apimachinery/pkg/runtime" | ||
| "k8s.io/apimachinery/pkg/runtime/serializer" | ||
| "k8s.io/apimachinery/pkg/types" | ||
| "k8s.io/client-go/rest" | ||
| "k8s.io/client-go/tools/remotecommand" | ||
| "sigs.k8s.io/controller-runtime/pkg/client" | ||
| "sigs.k8s.io/controller-runtime/pkg/client/apiutil" | ||
| ) | ||
|
|
||
| type PodManager interface { | ||
| PodExec(namespace string, name string, command []string) (string, string, error) | ||
| GetPodsWithLabelSelector(labelKey string, labelVal string) (v1.PodList, error) | ||
| } | ||
|
|
||
| type defaultPodManager struct { | ||
| k8sClient client.DelegatingClient | ||
| k8sSchema *runtime.Scheme | ||
| config *rest.Config | ||
| } | ||
|
|
||
| func NewDefaultPodManager(k8sClient client.DelegatingClient, k8sSchema *runtime.Scheme, | ||
| config *rest.Config) PodManager { | ||
|
|
||
| return &defaultPodManager{ | ||
| k8sClient: k8sClient, | ||
| k8sSchema: k8sSchema, | ||
| config: config, | ||
| } | ||
| } | ||
|
|
||
| func (d *defaultPodManager) PodExec(namespace string, name string, command []string) (string, string, error) { | ||
| pod := &v1.Pod{} | ||
| err := d.k8sClient.Get(context.Background(), types.NamespacedName{ | ||
| Namespace: namespace, | ||
| Name: name, | ||
| }, pod) | ||
| if err != nil { | ||
| return "", "", err | ||
| } | ||
|
|
||
| gkv, err := apiutil.GVKForObject(pod, d.k8sSchema) | ||
| if err != nil { | ||
| return "", "", err | ||
| } | ||
| restClient, err := apiutil.RESTClientForGVK(gkv, d.config, serializer.NewCodecFactory(d.k8sSchema)) | ||
| if err != nil { | ||
| return "", "", err | ||
| } | ||
|
|
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| execOptions := &v1.PodExecOptions{ | ||
| Stdout: true, | ||
| Stderr: true, | ||
| Command: command, | ||
| } | ||
|
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| req := restClient.Post(). | ||
| Resource("pods"). | ||
| Name(pod.Name). | ||
| Namespace(pod.Namespace). | ||
| SubResource("exec"). | ||
| VersionedParams(execOptions, runtime.NewParameterCodec(d.k8sSchema)) | ||
|
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| exec, err := remotecommand.NewSPDYExecutor(d.config, http.MethodPost, req.URL()) | ||
| if err != nil { | ||
| return "", "", err | ||
| } | ||
|
|
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| var stdout, stderr bytes.Buffer | ||
| err = exec.Stream(remotecommand.StreamOptions{ | ||
| Stdout: &stdout, | ||
| Stderr: &stderr, | ||
| }) | ||
|
|
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| return stdout.String(), stderr.String(), err | ||
| } | ||
|
|
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| func (d *defaultPodManager) GetPodsWithLabelSelector(labelKey string, labelVal string) (v1.PodList, error) { | ||
| ctx := context.Background() | ||
| podList := v1.PodList{} | ||
| err := d.k8sClient.List(ctx, &podList, client.MatchingLabels{ | ||
| labelKey: labelVal, | ||
| }) | ||
| return podList, err | ||
| } |
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