Create url and baseUrl environment variables

the ml.co app needs to make a call to the luminol server, this is
exposing the url so that it can make that call.

Author: toadums

src/bin/luminol.js

@@ -117,6 +117,7 @@ yargs
         require: argv.require,
         add: argv.add,
         clipboard: argv.clipboard,
+        open: argv.open,
       });
       server.on('ready', () => {
         logListener(server.client, (log) => {

src/internal/ProcessManager/ManagedProcess.js

@@ -41,6 +41,11 @@ const USAGE_MUTATION = gql`
   }
 `;
 
+type Options = {
+  url: string,
+  baseUrl: string,
+};
+
 class ManagedProcess {
   rip: boolean = false;
   child = null;
@@ -50,6 +55,8 @@ class ManagedProcess {
   backoff = new Backoff({min: 1000, max: 1000 * 5});
   config: Config;
   client: Client;
+  url: string;
+  baseUrl: string;
   lastCode: ?number;
   detonateOnError = process.env.NODE_ENV === 'test';
 
@@ -58,9 +65,11 @@ class ManagedProcess {
     this._kill();
   };
 
-  constructor(client: Client, config: Config) {
+  constructor(client: Client, config: Config, options: Options = {}) {
     this.client = client;
     this.config = config;
+    this.url = options.url;
+    this.baseUrl = options.baseUrl;
     this.debug = createDebug(`process:${this.config.id}`);
     process.once('beforeExit', this._close);
     process.once('exit', this._close);
@@ -131,6 +140,8 @@ class ManagedProcess {
     const processId = this.config.id;
     const env = {
       LUMINOL_PROCESS_ID: processId,
+      LUMINOL_URL: this.baseUrl,
+      LUMINOL_API_URL: this.url,
       ...process.env,
     };
     (this.config.env || []).forEach(({key, value}) => {

src/internal/ProcessManager/ProcessManager.js

@@ -50,12 +50,21 @@ type Process = {
   env: Array<{key: string, value: string}>,
 };
 
+type Options = {
+  url: string,
+  baseUrl: string,
+};
+
 class ProcessManager {
   instances: {[string]: ManagedProcess} = {};
   client: Client;
+  url: string;
+  baseUrl: string;
 
-  constructor(client: Client) {
+  constructor(client: Client, options: Options = {}) {
     this.client = client;
+    this.url = options.url;
+    this.baseUrl = options.baseUrl;
     const query = client.watchQuery({
       query: PROCESS_QUERY,
     });
@@ -73,7 +82,7 @@ class ProcessManager {
         return {
           ...prev,
           processes: [
-            ...prev.processes,
+            ...(prev.processes || []),
             subscriptionData.data.processRegistered,
           ],
         };
@@ -88,7 +97,7 @@ class ProcessManager {
         const id = subscriptionData.data.processUnregistered.id;
         return {
           ...prev,
-          processes: prev.processes.filter((config) => {
+          processes: (prev.processes || []).filter((config) => {
             return config.id !== id;
           }),
         };
@@ -101,7 +110,10 @@ class ProcessManager {
       return;
     }
     debug(`Loading process ${proc.id} => ${proc.path}`);
-    this.instances[proc.id] = new ManagedProcess(this.client, proc);
+    this.instances[proc.id] = new ManagedProcess(this.client, proc, {
+      url: this.url,
+      baseUrl: this.baseUrl,
+    });
   }
 
   _unload(id: string) {

src/internal/Server/Server.js

@@ -104,6 +104,7 @@ class Server {
   proxyManager: ?ProxyManager = null;
   processManager: ?ProcessManager = null;
   url: ?string;
+  baseUrl: ?string;
   client: ?Client = null;
   base: ?HTTPServer = null;
   q: Array<() => void> = [];
@@ -162,7 +163,9 @@ class Server {
       item(base);
     });
     this.q = [];
-    this.url = `http://localhost:${base.address().port}${this.apiPrefix}`;
+    this.baseUrl = `http://localhost:${base.address().port}`;
+    this.url = `${this.baseUrl}${this.apiPrefix}`;
+
     debug(`Using server ${this.url}`);
     let baseApp = next;
     if (typeof this.options.url === 'string') {
@@ -219,7 +222,10 @@ class Server {
     );
 
     // Responsible for managing child processes.
-    this.processManager = new ProcessManager(this.client);
+    this.processManager = new ProcessManager(this.client, {
+      url: this.url || '',
+      baseUrl: this.baseUrl || '',
+    });
 
     if (typeof this.options.config !== 'undefined') {
       const configs = Array.isArray(this.options.config)
@@ -244,10 +250,10 @@ class Server {
     }
 
     if (this.options.open === true) {
-      open(this.url);
+      open(this.baseUrl || '');
     }
     if (this.options.clipboard !== false) {
-      clipboardy.writeSync(this.url);
+      clipboardy.writeSync(this.baseUrl);
     }
     this.base.emit('ready');
   }