PHPとHuawei Cloud Platform間のインターフェースドッキングにおける実践経験の共有

<?php
require 'vendor/autoload.php';

use GuzzleHttpClient;
use GuzzleHttpExceptionClientException;

$accessKey = 'your_access_key';
$secretKey = 'your_secret_key';
$projectId = 'your_project_id';

$httpClient = new Client([
    'base_uri' => 'https://ecs.myhuaweicloud.com/v1/'
]);

try {
    $response = $httpClient->post('cloudservers', [
        'headers' => [
            'X-Auth-Project-Id' => $projectId,
            'X-Auth-Token' => getAuthToken($accessKey, $secretKey),
            'Content-Type' => 'application/json'
        ],
        'json' => [
            'server' => [
                'name' => 'my-server',
                'imageRef' => 'your_image_id',
                'flavorRef' => 'your_flavor_id',
                'key_name' => 'your_key_pair_name',
                'availability_zone' => 'your_availability_zone'
            ]
        ]
    ]);

    $server = json_decode($response->getBody(), true)['server'];
    echo 'Created server with ID: ' . $server['id'];
} catch (ClientException $e) {
    echo 'Error creating server: ' . $e->getMessage();
}

function getAuthToken($accessKey, $secretKey)
{
    $timestamp = gmdate('YmdTHisZ');
    $method = 'POST';
    $host = 'ecs.myhuaweicloud.com';
    $uri = '/v1/{project_id}/cloudservers';

    $signature = base64_encode(hash_hmac('sha256', $method . "
" . $timestamp . "
" . str_replace('{project_id}', $projectId, $uri) . "
", $secretKey, true));
    return "SDK-HMAC-SHA256 Access=$accessKey, SignedHeaders=content-type;host;x-auth-project-id;x-auth-timestamp, Signature=$signature";
}