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Update checking validation NetworkPolicy
Signed-off-by: Wenqi Qiu <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,101 @@ | ||
| // Copyright 2024 Antrea Authors. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License 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 client_pod | ||
|
|
||
| import ( | ||
| "context" | ||
| "fmt" | ||
| "github.com/google/uuid" | ||
| "strings" | ||
| "time" | ||
|
|
||
| corev1 "k8s.io/api/core/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/apimachinery/pkg/util/wait" | ||
| "k8s.io/client-go/kubernetes" | ||
| "k8s.io/client-go/util/retry" | ||
| "k8s.io/klog/v2" | ||
| ) | ||
|
|
||
| func CreateClientPod(ctx context.Context, kClient kubernetes.Interface, probes []string, containerName string) (*corev1.Pod, error) { | ||
| var err error | ||
| var newPod *corev1.Pod | ||
| namespace := ClientPodsNamespace | ||
| podName := ScaleTestClientPodNamePrefix + uuid.New().String()[:6] | ||
| err = retry.RetryOnConflict(retry.DefaultRetry, func() error { | ||
| newPod.Namespace = namespace | ||
| newPod.Name = podName | ||
| newPod.Spec = corev1.PodSpec{ | ||
| Affinity: &RealNodeAffinity, | ||
| Tolerations: []corev1.Toleration{MasterToleration}, | ||
| Containers: []corev1.Container{ | ||
| { | ||
| Name: ScaleClientContainerName, | ||
| Image: "busybox", | ||
| Command: []string{"nc", "-lk", "-p", "80"}, | ||
| ImagePullPolicy: corev1.PullIfNotPresent, | ||
| }, | ||
| }, | ||
| } | ||
| var containers []corev1.Container | ||
| for _, probe := range probes { | ||
| l := strings.Split(probe, ":") | ||
| server, port := l[0], l[1] | ||
| if server == "" { | ||
| server = "$NODE_IP" | ||
| } | ||
|
|
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| containers = append(containers, corev1.Container{ | ||
| Name: containerName, | ||
| Image: "busybox", | ||
| // read up rest </proc/uptime; t1="${up%.*}${up#*.}" | ||
| Command: []string{"/bin/sh", "-c", fmt.Sprintf("server=%s; output_file=\"ping_log.txt\"; if [ ! -e \"$output_file\" ]; then touch \"$output_file\"; fi; last_status=\"unknown\"; last_change_time=$(adjtimex | awk '/(time.tv_sec|time.tv_usec):/ { printf(\"%%06d\", $2) }' && printf \"\\n\"); while true; do status=$(nc -vz -w 1 \"$server\" %s > /dev/null && echo \"up\" || echo \"down\"); current_time=$(adjtimex | awk '/(time.tv_sec|time.tv_usec):/ { printf(\"%%06d\", $2) }' && printf \"\\n\"); time_diff=$((current_time - last_change_time)); if [ \"$status\" != \"$last_status\" ]; then echo \"$(adjtimex | awk '/(time.tv_sec|time.tv_usec):/ { printf(\"%%06d\", $2) }' && printf \"\\n\") Status changed from $last_status to $status after ${time_diff} nanoseconds\"; echo \"$(adjtimex | awk '/(time.tv_sec|time.tv_usec):/ { printf(\"%%06d\", $2) }' && printf \"\\n\") Status changed from $last_status to $status after ${time_diff} nanoseconds\" >> \"$output_file\"; last_change_time=$current_time; last_status=$status; fi; sleep 0.1; done\n", server, port)}, | ||
| ImagePullPolicy: corev1.PullIfNotPresent, | ||
| Env: []corev1.EnvVar{ | ||
| { | ||
| Name: "NODE_IP", | ||
| ValueFrom: &corev1.EnvVarSource{ | ||
| FieldRef: &corev1.ObjectFieldSelector{ | ||
| FieldPath: "status.hostIP", | ||
| }, | ||
| }, | ||
| }, | ||
| }, | ||
| }) | ||
| } | ||
|
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| newPod.Spec.Containers = append(newPod.Spec.Containers, containers...) | ||
|
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| _, err = kClient.CoreV1().Pods(namespace).Create(ctx, newPod, metav1.CreateOptions{}) | ||
| return err | ||
| }) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
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| err = wait.PollImmediate(time.Second, 30, func() (bool, error) { | ||
| pod, err := kClient.CoreV1().Pods(namespace).Get(ctx, newPod.Name, metav1.GetOptions{}) | ||
| if err != nil { | ||
| return false, err | ||
| } | ||
| return pod.Status.Phase == corev1.PodRunning, nil | ||
| }) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| klog.InfoS("Create Client Pod successfully!") | ||
| return newPod, nil | ||
| } |
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