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<?php |
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/* |
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* MikoPBX - free phone system for small business |
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* Copyright © 2017-2024 Alexey Portnov and Nikolay Beketov |
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* |
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* This program is free software: you can redistribute it and/or modify |
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* it under the terms of the GNU General Public License as published by |
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* the Free Software Foundation; either version 3 of the License, or |
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* (at your option) any later version. |
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* |
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* This program is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
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* GNU General Public License for more details. |
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* |
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* You should have received a copy of the GNU General Public License along with this program. |
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* If not, see <https://www.gnu.org/licenses/>. |
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*/ |
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namespace MikoPBX\Core\System\CloudProvisioning; |
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use GuzzleHttp\Client; |
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use GuzzleHttp\Exception\GuzzleException; |
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use MikoPBX\Core\System\SystemMessages; |
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class YandexCloud extends CloudProvider |
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{ |
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public const CloudID = 'YandexCloud'; |
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private Client $client; |
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public function __construct() |
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{ |
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$this->client = new Client(['timeout' => self::HTTP_TIMEOUT]); |
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} |
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/** |
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* Performs the Yandex Cloud provisioning. |
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* |
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* @return bool True if the provisioning was successful, false otherwise. |
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*/ |
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public function provision(): bool |
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{ |
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$metadata = $this->retrieveInstanceMetadata(); |
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if ($metadata === null || empty($metadata['id'])) { |
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// If metadata is null ot machine id is unknown, do not proceed with provisioning. |
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return false; |
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} |
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SystemMessages::echoToTeletype(PHP_EOL); |
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$sshKeys = $metadata['attributes']['ssh-keys']??''; |
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// Extract username |
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$username = $this->extractUserNameFromSshKeys($sshKeys); |
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// Update SSH keys, if available |
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$this->updateSSHKeys($sshKeys); |
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// Update machine name |
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$hostname = $metadata['name'] ?? ''; |
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$this->updateHostName($hostname); |
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// Update LAN settings with the external IP address |
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$extIp = $metadata['networkInterfaces'][0]['accessConfigs'][0]['externalIp'] ?? ''; |
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$this->updateLanSettings($extIp); |
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// Update SSH and WEB passwords using some unique identifier from the metadata |
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$vmId = $metadata['id']; |
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$this->updateSSHCredentials($username ?? 'yc-user', $vmId); |
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$this->updateWebPassword($vmId); |
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return true; |
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} |
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/** |
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* Retrieves Yandex instance metadata. |
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* |
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* @return array|null The instance metadata or null if retrieval failed. |
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* |
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*/ |
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private function retrieveInstanceMetadata(): ?array |
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{ |
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try { |
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$response = $this->client->request('GET', 'http://169.254.169.254/computeMetadata/v1/instance/', [ |
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'query' => ['recursive' => 'true', 'alt' => 'json'], |
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'headers' => ['Metadata-Flavor' => 'Google'] |
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]); |
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if ($response->getStatusCode() == 200) { |
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$metadata = json_decode($response->getBody()->getContents(), true); |
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// Verify that metadata not contains the 'serviceAccounts' with 'gserviceaccount' in any value |
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if ($this->notContainsGoogleDomain($metadata)) { |
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return $metadata; |
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} else { |
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SystemMessages::sysLogMsg(__CLASS__, "Metadata contain 'gserviceaccount' in service account."); |
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} |
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} |
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} catch (GuzzleException $e) { |
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SystemMessages::sysLogMsg(__CLASS__, "Failed to retrieve Yandex Cloud instance metadata: " . $e->getMessage()); |
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} |
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return null; |
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} |
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/** |
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* Extracts the username from user-data script. |
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* |
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* @param string $sshKeys SSH keys sting. |
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* @return string|null Extracted username or null if not found. |
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*/ |
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private function extractUserNameFromSshKeys(string $sshKeys): ?string |
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{ |
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$parts = explode(':', $sshKeys); |
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$username = $parts[0]; |
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if (strlen($username) >= 3) { |
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return $username; |
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} |
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return null; // Return null if no username found |
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} |
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/** |
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* Checks if the 'serviceAccounts' array contains the word 'gserviceaccount' in any value. |
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* |
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* @param array $metadata Metadata array from Google Cloud instance. |
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* @return bool False if 'gserviceaccount' is found in any service account, true otherwise. |
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*/ |
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private function notContainsGoogleDomain(array $metadata): bool |
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{ |
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if (isset($metadata['serviceAccounts'])) { |
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foreach ($metadata['serviceAccounts'] as $account) { |
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if (strpos($account['email'], 'gserviceaccount') !== false) { |
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return false; |
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} |
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} |
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} |
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return true; |
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} |
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} |
mikopbx /
Core
