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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,131 @@ | ||
| /* | ||
| Copyright 2024. | ||
| 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 controller | ||
|
|
||
| import ( | ||
| "bufio" | ||
| "context" | ||
| "flag" | ||
| "fmt" | ||
| "os" | ||
| "path/filepath" | ||
| "regexp" | ||
|
|
||
| corev1 "k8s.io/api/core/v1" | ||
| // appsv1 "k8s.io/api/apps/v1" | ||
| metav1 "k8s.io/apimachinery/pkg/apis/meta/v1" | ||
| "k8s.io/client-go/kubernetes" | ||
| "k8s.io/client-go/tools/clientcmd" | ||
| "k8s.io/client-go/util/homedir" | ||
| ) | ||
|
|
||
| func find_service_account(file_name string) string { | ||
| file, err := os.Open(file_name) | ||
| if err != nil { | ||
| fmt.Println("Error opening file:", err) | ||
| return "" | ||
| } | ||
| defer file.Close() | ||
|
|
||
| // Create a regular expression to match the service account | ||
| re := regexp.MustCompile(`--service-account\s+(\S+)`) | ||
|
|
||
| // Create a scanner to read the file line by line | ||
| scanner := bufio.NewScanner(file) | ||
|
|
||
| // Iterate through each line of the file | ||
| for scanner.Scan() { | ||
| line := scanner.Text() | ||
| // Check if the line contains the service account | ||
| match := re.FindStringSubmatch(line) | ||
| if len(match) > 1 { | ||
| // Extract the service account from the matched line | ||
| serviceAccount := match[1] | ||
| return serviceAccount | ||
| } | ||
| } | ||
|
|
||
| // Check for scanner errors | ||
| if err := scanner.Err(); err != nil { | ||
| return "" | ||
| } | ||
|
|
||
| return "" | ||
| } | ||
|
|
||
| func attach_volume_to_waypoint(service_name, service_account string) { | ||
| // Set up kubeconfig path | ||
| var k8sconfig *string | ||
| if home := homedir.HomeDir(); home != "" { | ||
| k8sconfig = flag.String("k8sconfig", filepath.Join(home, ".kube", "config"), "(optional) absolute path to the kubeconfig file") | ||
| } else { | ||
| k8sconfig = flag.String("k8sconfig", "", "absolute path to the k8sconfig file") | ||
| } | ||
| flag.Parse() | ||
|
|
||
| // Use the current context in kubeconfig | ||
| config, err := clientcmd.BuildConfigFromFlags("", *k8sconfig) | ||
| if err != nil { | ||
| panic(err.Error()) | ||
| } | ||
|
|
||
| // Create the clientset | ||
| clientset, err := kubernetes.NewForConfig(config) | ||
| if err != nil { | ||
| panic(err.Error()) | ||
| } | ||
|
|
||
| // Set deployment details | ||
| namespace := "default" | ||
| deploymentName := service_account + "-istio-waypoint" | ||
| pvcName := service_name + "-pvc" | ||
| mountPath := "/data" | ||
|
|
||
| // Get the specified deployment | ||
| deployment, err := clientset.AppsV1().Deployments(namespace).Get(context.TODO(), deploymentName, metav1.GetOptions{}) | ||
| if err != nil { | ||
| panic(err.Error()) | ||
| } | ||
|
|
||
| // Define the volume and volume mount | ||
| volume := corev1.Volume{ | ||
| Name: service_name + "-storage", | ||
| VolumeSource: corev1.VolumeSource{ | ||
| PersistentVolumeClaim: &corev1.PersistentVolumeClaimVolumeSource{ | ||
| ClaimName: pvcName, | ||
| }, | ||
| }, | ||
| } | ||
| volumeMount := corev1.VolumeMount{ | ||
| Name: service_name + "-storage", | ||
| MountPath: mountPath, | ||
| } | ||
|
|
||
| // Attach the volume to the deployment spec | ||
| deployment.Spec.Template.Spec.Volumes = append(deployment.Spec.Template.Spec.Volumes, volume) | ||
| for i := range deployment.Spec.Template.Spec.Containers { | ||
| deployment.Spec.Template.Spec.Containers[i].VolumeMounts = append(deployment.Spec.Template.Spec.Containers[i].VolumeMounts, volumeMount) | ||
| } | ||
|
|
||
| // Update the deployment | ||
| _, err = clientset.AppsV1().Deployments(namespace).Update(context.TODO(), deployment, metav1.UpdateOptions{}) | ||
| if err != nil { | ||
| panic(err.Error()) | ||
| } | ||
|
|
||
| // fmt.Printf("Deployment '%s' in namespace '%s' updated successfully.\n", deploymentName, namespace) | ||
| } |
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