Initial commit

src/Container/ContainerManager.php

@@ -0,0 +1,132 @@
+<?php
+
+namespace NoccyLabs\Serverctl\Container;
+
+class ContainerManager
+{
+
+    private string $dataPath;
+
+    public function __construct(?string $dataPath=null)
+    {
+        $this->dataPath = $dataPath ?? (getenv("HOME")."/.var/serverctl");
+    }
+
+    /**
+     * Start a service
+     * 
+     * Instance options:
+     *   name: Instance name (default)
+     *   portoffset: Port number offset (0)
+     * 
+     * @param array $service The service definition from the registry  
+     * @param array $options Instance options
+     */
+    public function startService(array $service, array $options)
+    {
+        $args = [];
+
+        $serviceName = $service['name'];
+        $instanceName = $options['name']??'default';
+
+        $containerName = "sm_".$serviceName."_".$instanceName;
+
+        $args[] = 'run';
+        $args[] = '--rm'; // remove container after run
+        $args[] = '-d';
+        $args[] = '--name';
+        $args[] = $containerName;
+
+        // Map the ports
+        $ports = (array)($service['ports']??[]);
+        foreach ($ports as $port) {
+            $args[] = '-p';
+            $args[] = $port['port'];
+        }
+
+        // Get the paths to persist
+        $volumes = (array)($service['persistence']??[]);
+        $volumePath = $this->getServiceDataPath($service)."/".$instanceName;
+        foreach ($volumes as $volume) {
+            // volume { path, hint }
+            $path = $volume['path'];
+            $hint = $volume['hint'] ?? crc32($path);
+            $args[] = '-v'; // add volume
+            $args[] = $volumePath."/".$hint.":".$path;
+        }
+
+        // Get environment
+        $envs = (array)($service['environment']??[]);
+        foreach ($envs as $env=>$value) {
+            $args[] = '-e';
+            // TODO: use environment if set (override)
+            $args[] = sprintf("%s=%s", $env, $value);
+        }
+
+        $args[] = $service['image'];
+
+        $cmdl = 'docker '.join(' ',array_map('escapeshellarg', $args));
+
+        // TODO: Write command line, env and meta to state file
+        
+        echo "$ {$cmdl}\n";
+        passthru($cmdl);
+
+    }
+
+    /**
+     * Stop a service
+     */
+    public function stopService(array $service, string $instanceName)
+    {
+        $args = [];
+
+        $serviceName = $service['name'];
+        $instanceName = $options['name']??'default';
+        $containerName = "sm_".$serviceName."_".$instanceName;
+
+        $args[] = 'stop';
+        $args[] = $containerName;
+
+        $cmdl = 'docker '.join(' ',array_map('escapeshellarg', $args));
+
+        echo "$ {$cmdl}\n";
+        passthru($cmdl);
+
+    }
+
+    public function execute(array $service, string $instanceName, array $command)
+    {
+        $args = [];
+
+        $serviceName = $service['name'];
+        $instanceName = $options['name']??'default';
+        $containerName = "sm_".$serviceName."_".$instanceName;
+
+        $args[] = 'exec';
+        $args[] = '-it';
+        $args[] = $containerName;
+
+        array_push($args, ...$command);
+
+        $cmdl = 'docker '.join(' ',array_map('escapeshellarg', $args));
+
+        echo "$ {$cmdl}\n";
+        passthru($cmdl);
+        
+    }
+
+    /**
+     * Get running services
+     */
+    public function getRunningServices(): array
+    {
+        return [];
+    }
+
+    public function getServiceDataPath(array $service)
+    {
+        return $this->dataPath."/".$service['name'];
+    }
+
+}