graphs: add app response in system graphs

src/graphs.js

@@ -2,10 +2,11 @@
 
 exports = module.exports = {
     getSystem,
-    getByApp
+    getApp
 };
 
-const assert = require('assert'),
+const apps = require('./apps.js'),
+    assert = require('assert'),
     BoxError = require('./boxerror.js'),
     docker = require('./docker.js'),
     safe = require('safetydance'),
@@ -24,7 +25,7 @@ async function getGraphiteUrl() {
     return `http://${ip}:8000/graphite-web/render`;
 }
 
-async function getByApp(app, fromMinutes, noNullPoints) {
+async function getApp(app, fromMinutes, noNullPoints) {
     assert.strictEqual(typeof app, 'object');
     assert.strictEqual(typeof fromMinutes, 'number');
     assert.strictEqual(typeof noNullPoints, 'boolean');
@@ -91,5 +92,10 @@ async function getSystem(fromMinutes, noNullPoints) {
     if (memCpuError) throw new BoxError(BoxError.NETWORK_ERROR, memCpuError.message);
     if (memCpuResponse.status !== 200) throw new BoxError(BoxError.EXTERNAL_ERROR, `Unknown error: ${memCpuResponse.status} ${memCpuResponse.text}`);
 
-    return { cpu: memCpuResponse.body[0], memory: memCpuResponse.body[1] };
+    const appResponses = {};
+    for (const app of await apps.list()) {
+        appResponses[app.id] = await getApp(app, fromMinutes, noNullPoints);
+    }
+
+    return { cpu: memCpuResponse.body[0], memory: memCpuResponse.body[1], apps: appResponses };
 }