new: Added endpoint/obj for managed stat, modified prebuild

Prebuild was not able to properly recurse through objects if they didn't
contain sub-objects.

Author: Josh Sager

prebuild.js

@@ -89,7 +89,6 @@ function formatSchemaExample(schema, paginationKey) {
   const schemaExample = {};
 
   if (!Array.isArray(schema)) {
-    // TODO: Account for objects / clean this method up
     return schemaExample;
   }
 
@@ -102,10 +101,13 @@ function formatSchemaExample(schema, paginationKey) {
       }
     } else {
       let value = obj.value;
+      let o;
       if (Array.isArray(value)) {
         value = value.map(function (obj) {
           if (typeof obj === 'object' && obj !== null) {
-            return formatSchemaExample(obj);
+            if (obj[o] !== null && typeof obj[o] === 'object') {
+              return formatSchemaExample(obj);
+            }
           }
           return obj;
         });

src/data/endpoints/managed.yaml

@@ -379,3 +379,18 @@ endpoints:
                   }
                 }' \
                 https://$api_root/$version/managed/linode_settings/$linode_settings_id
+  /managed/stats:
+    group: Stats
+    type: Action
+    authenticated: true
+    description: >
+      Returns CPU, disk, swap, and network in/out stats for the last 24 hours.
+    methods:
+      GET:
+        response: ManagedStat
+        description: >
+           Returns statistics for the last 24 hours.
+        examples:
+          curl: |
+            curl -H "Authorization: token $TOKEN" \
+                https://$api_root/$version/managed/stats

src/data/objects/managedstat.yaml

@@ -0,0 +1,30 @@
+# vim: set et ts=2 sw=2 tw=80 :
+name: ManagedStat
+prefix: managed/stats
+description: >
+  Graph data
+schema:
+  data:
+    type: Object
+    description: >
+      Graph data (if available) - data is in "[{x: timestamp, y: reading}]" array of dicts format
+    cpu:
+      type: Array
+      value: [{"x": 1513753500000, "y": 8.34},{"x": 1513754599900, "y": 8.45}]
+      description: Percentage of CPU(s) used
+    swap:
+      type: Array
+      value: [{"x": 1513753500000, "y": 0}]
+      description: blocks written
+    disk:
+      type: Array
+      value: [{"x": 1513753500000, "y": 29.94}]
+      description: blocks written
+    net_in:
+      type: Array
+      value: [{"x": 1513753500000, "y": 5677.77}]
+      description: network data used
+    net_out:
+      type: Array
+      value: [{"x": 1513753500000, "y": 5644.45}]
+      description: network data used