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[laravel/Rancher] There are issues when retrieving Kubernetes data from Rancher by Laravel.

Posted on November 21, 2024November 22, 2024 By nim No Comments on [laravel/Rancher] There are issues when retrieving Kubernetes data from Rancher by Laravel.

Khi thực hiện change configuration của k8s thông qua API của rancher.
Có thể bạn sẽ gặp lối bên dưới:

{
    "status": "error",
    "message": "An error occurred: Failed to update ScaleObject: {\"type\":\"error\",\"links\":{},\"code\":\"BadRequest\",\"message\":\"Deployment in version \\\"v1\\\" cannot be handled as a Deployment: json: cannot unmarshal array into Go struct field PodSpec.spec.template.spec.securityContext of type v1.PodSecurityContext\",\"status\":400,\"type\":\"error\"}\n"
}
{
    "status": "error",
    "message": "An error occurred: Failed to update ScaleObject: {\"type\":\"error\",\"links\":{},\"code\":\"BadRequest\",\"message\":\"Deployment in version \\\"v1\\\" cannot be handled as a Deployment: json: cannot unmarshal array into Go struct field Container.spec.template.spec.initContainers.resources of type v1.ResourceRequirements\",\"status\":400,\"type\":\"error\"}\n"
}

Lý do là với các trường rỗng laravel sẽ get lên là dấu ngoặc vuông [] mà đúng ra chỗ đó phải là ngoặc nhọn {}

Vậy ở đây chúng ta cần migrate từ ngoặc vuông [] sang ngoặc nhọn {} bằng php laravel:

ở đây mình viết thêm 2 function:

   // Function to normalize the securityContext field
    private function normalizeSecurityContext(&$data)
    {
        // Ensure securityContext field is an object, not an array
        if (isset($data['spec']['template']['spec']['securityContext']) && is_array($data['spec']['template']['spec']['securityContext'])) {
            $data['spec']['template']['spec']['securityContext'] = (object) []; // Convert empty array to empty object
        }
    }

    private function normalizeInitContainers(&$data)
    {
        // Ensure resources and other fields in initContainers are objects, not arrays
        if (isset($data['spec']['template']['spec']['initContainers'])) {
            foreach ($data['spec']['template']['spec']['initContainers'] as &$initContainer) {

                // Normalize resources to an empty object if it's an array
                if (isset($initContainer['resources']) && is_array($initContainer['resources'])) {
                    $initContainer['resources'] = (object) [];  // Convert empty array to empty object
                }
            }
        }
    }

Và chúng ta sẽ sử dụng như sau:
Khi bạn có kết quả bạn sẽ thực hiện edit data từ [] sang -> {}

    public function getDeployment($clusterId, $namespace, $deployment)
    {
        $deploymentURL = config('infra.k8s.url').'/k8s/clusters/'.$clusterId.'/v1/apps.deployments/'.$namespace .'/'.$deployment;
        $response = $this->createHttpClient()->get($deploymentURL);

        if ($response->successful()) {
            $data = json_decode($response, true);

            // Normalize the resources and initContainers fields
            $this->normalizeInitContainers($data);  // New normalization for initContainers
            $this->normalizeSecurityContext($data);

            return $data ?? null;
        } else {
            return [
                'error' => $response->status(),
                'message' => $response->body()
            ];
        }
    }

Ở trên là cách bạn sử dụng Function.

Laravel

Post navigation

Previous Post: [Laravel] How to implement the schedule in Docker Laravel.
Next Post: [Rancher/API] Edit k8s resources using the Rancher API.

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