feat: change structure

api/src/Services/LxdService.php

@@ -0,0 +1,172 @@
+<?php
+
+namespace App\Services;
+use Exception;
+class LxdService
+{    
+    private string $baseUrl; 
+
+    public function __construct() {
+        $this->baseUrl = $_ENV['LXD_API_URL'] ?? 'https://localhost:8443';
+    }
+
+
+    
+    /**
+     * Sends an HTTP request to the LXD API.
+     *
+     * @param string $method HTTP method (GET, POST, PUT, etc.)
+     * @param string $endpoint API endpoint
+     * @param array $body Request body (optional)
+     * @return array Response from the API
+     * @throws Exception
+     */
+    private function request(string $method, string $endpoint, array $body = []): array {
+        // if (!isset($_ENV['LXD_CLIENT_CERT'], $_ENV['LXD_CLIENT_KEY'])) {
+        //     throw new \Exception("LXD_CLIENT_CERT and LXD_CLIENT_KEY must be set in .env");
+        // }
+
+        $ch = curl_init("{$this->baseUrl}{$endpoint}");
+        
+        // Paths to client certificate and key for TLS authentication
+        $clientCert = $_ENV['LXD_CLIENT_CERT'] ?? '/etc/ssl/lxdapp/client.crt';
+        $clientKey  = $_ENV['LXD_CLIENT_KEY']  ?? '/etc/ssl/lxdapp/client.key';
+
+
+        curl_setopt($ch, CURLOPT_SSLCERT, $clientCert);
+        curl_setopt($ch, CURLOPT_SSLKEY, $clientKey);
+        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
+        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+        curl_setopt($ch, CURLOPT_CUSTOMREQUEST, $method);
+
+        if (!empty($body)) {
+            curl_setopt($ch, CURLOPT_POSTFIELDS, json_encode($body));
+            curl_setopt($ch, CURLOPT_HTTPHEADER, ['Content-Type: application/json']);
+        }
+
+        $response = curl_exec($ch);
+        $httpCode = curl_getinfo($ch, CURLINFO_RESPONSE_CODE);
+
+        // Check if curl_exec failed
+        if (curl_errno($ch)) {
+            throw new Exception("Curl error: " . curl_error($ch));
+        }
+
+        curl_close($ch);
+
+        if (!$response) {
+            throw new Exception("LXD API error or not reachable.");
+        }
+
+        $json = json_decode($response, true);
+        if ($httpCode >= 400) {
+            throw new Exception("LXD API Error: " . ($json['error'] ?? 'Unknown'));
+        }
+
+        return $json;
+    }
+
+    /**
+     * Retrieves the status of a container.
+     *
+     * @param string $name Container name
+     * @return array|null Container status or null if an error occurs
+     */
+    public function getContainerState(string $name) {
+        try {
+            return $this->request('GET', "/1.0/instances/$name/state");
+        } catch (\Throwable $e) {
+            return null;
+            // echo 'Error: ' . $e->getMessage();
+        }
+    }
+
+    /**
+     * Checks if a container exists.
+     *
+     * @param string $name Container name
+     * @return bool True if the container exists, false otherwise
+     */
+    public function containerExists(string $name): bool {
+        return $this->getContainerState($name) !== null;
+    }
+ 
+    /**
+     * Starts a container.
+     *
+     * @param string $name Container name
+     * @return array Response from the API
+     * @throws Exception
+     */
+    public function startContainer(string $name): array {
+        $startResponse = $this->request('PUT', "/1.0/instances/$name/state", [
+            "action" => "start",
+            "timeout" => 30,
+            "force" => true
+        ]);
+        
+        if (!isset($startResponse['operation'])) {
+            throw new \Exception("Failed to start container, please try again.");
+        }
+
+        return $startResponse;        
+    }
+ 
+    /**
+     * Stops a container.
+     *
+     * @param string $name Container name
+     * @return array Response from the API
+     */
+    public function stopContainer(string $name): array {
+        $response = $this->request('PUT', "/1.0/instances/$name/state", [
+            "action" => "stop",
+            "timeout" => 30,
+            "force" => true
+        ]);
+
+        return $response;
+    }
+
+
+    /**
+     * Retrieves the IPv4 address of a container.
+     *
+     * @param string $name Container name
+     * @return string|null IPv4 address or null if not found
+     */
+    public function getContainerIP($name)
+    {
+        $container = $this->getContainerState($name);
+        return $this->getIPv4FromMetadata($container['metadata']);
+    }
+
+    /**
+     * Extracts the IPv4 address from container metadata.
+     *
+     * @param array $metadata Container metadata
+     * @return string|null IPv4 address or null if not found
+     */
+    public function getIPv4FromMetadata(array $metadata): ?string
+    {
+        if (
+            isset($metadata['network']['eth0']['addresses']) &&
+            is_array($metadata['network']['eth0']['addresses'])
+        ) {
+            foreach ($metadata['network']['eth0']['addresses'] as $addr) {
+                if (isset($addr['family']) && $addr['family'] === 'inet' && isset($addr['address'])) {
+                    return $addr['address'];
+                }
+            }
+        }
+        return null;
+    }
+
+    public function isServiceRunning(string $container, string $service): string
+    {
+        $lxcPath = $_ENV['LXC_PATH'] ?: 'lxc';
+        $cmd = "$lxcPath exec {$container} -- systemctl is-active {$service} 2>&1";
+        $output = shell_exec($cmd);
+        return trim($output);
+    }
+}