Make lua its own package and make the docker image a base image

Author: nolanpro

Dockerfile

@@ -8,17 +8,6 @@ RUN apt-get install -y lua5.3 luarocks liblua5.3-dev build-essential libssl-dev
 # Copy over our LUA libraries/runtime
 COPY ./src /opt/executor
 
-# Get the sdk repo if it doesn't exist
+# Add dkjson package
 WORKDIR /opt/executor
-RUN if [ ! -d "sdk-lua" ]; then git clone --depth 1 https://github.com/ProcessMaker/sdk-lua.git; fi
-
-# Build the sdk and save it in luarocks default folder
-WORKDIR /opt/executor/sdk-lua
-RUN luarocks make --local
-
-# Set working directory to our /opt/executor location
-WORKDIR /opt/executor
-
-LABEL maintainer="taylor@processmaker.com"
-
-RUN luarocks install dkjson
+RUN luarocks install dkjson

composer.json

@@ -0,0 +1,20 @@
+{
+    "name": "processmaker/docker-executor-lua",
+    "friendly_name": "Lua Docker Executor",
+    "description": "Lua script executor for processmaker 4",
+    "version": "1.0.0",
+    "minimum-stability": "dev",
+    "autoload": {
+        "psr-4": {
+            "ProcessMaker\\Package\\DockerExecutorLua\\": "src",
+            "ProcessMaker\\ScriptRunners\\": "src/ScriptRunners"
+        }
+    },
+    "extra": {
+        "laravel": {
+            "providers": [
+                "ProcessMaker\\Package\\DockerExecutorLua\\DockerExecutorLuaServiceProvider"
+            ]
+        }
+    }
+}

src/DockerExecutorLuaServiceProvider.php

@@ -0,0 +1,46 @@
+<?php
+namespace ProcessMaker\Package\DockerExecutorLua;
+
+use Illuminate\Support\Facades\Route;
+use Illuminate\Support\ServiceProvider;
+use ProcessMaker\Traits\PluginServiceProviderTrait;
+
+class DockerExecutorLuaServiceProvider extends ServiceProvider
+{
+    use PluginServiceProviderTrait;
+
+    const version = '1.0.0'; // Required for PluginServiceProviderTrait
+
+    public function register()
+    {
+    }
+
+    public function boot()
+    {
+        // Note: `processmaker4/executor-lua` is now the base image that the instance inherits from
+        $image = env('SCRIPTS_LUA_IMAGE', 'processmaker4/executor-instance-lua:v1.0.0');
+
+        \Artisan::command('docker-executor-lua:install', function () {
+            // Restart the workers so they know about the new supported language
+            \Artisan::call('horizon:terminate');
+
+            // Refresh the app cache so script runners config gets updated
+            \Artisan::call('optimize:clear');
+
+            // Build the base image that `executor-instance-lua` inherits from
+            system("docker build -t processmaker4/executor-lua:latest " . __DIR__ . '/..');
+        });
+
+        $config = [
+            'name' => 'Lua',
+            'runner' => 'LuaRunner',
+            'mime_type' => 'application/x-lua',
+            'image' => $image,
+            'options' => ['gitRepoId' => 'sdk-node'],
+            'init_dockerfile' => "FROM processmaker4/executor-lua:latest\nARG SDK_DIR\n",
+        ];
+        config(['script-runners.lua' => $config]);
+
+        $this->completePluginBoot();
+    }
+}

src/ScriptRunners/LuaRunner.php

@@ -0,0 +1,22 @@
+<?php
+
+namespace ProcessMaker\ScriptRunners;
+
+class LuaRunner extends Base
+{
+    /**
+     * Configure docker with lua executor
+     *
+     * @param string $code
+     * @param array $dockerConfig
+     *
+     * @return array
+     */
+    public function config($code, array $dockerConfig)
+    {
+        $dockerConfig['image'] = config('script-runners.lua.image');
+        $dockerConfig['command'] = 'lua5.3 /opt/executor/bootstrap.lua';
+        $dockerConfig['inputs']['/opt/executor/script.lua'] = $code;
+        return $dockerConfig;
+    }
+}