Add manifest links and hack to index on revision.

common/proto/milo/annotations.proto

 // Copyright (c) 2015 The LUCI Authors. All rights reserved.
 // Use of this source code is governed under the Apache License, Version 2.0
 // that can be found in the LICENSE file.
 
 syntax = "proto3";
 
 package milo;
 
 import "google/protobuf/timestamp.proto";
 
@@ skipping 119 matching lines @@
   repeated Link other_links = 23;
 
   // Property is an arbitrary key/value (build) property.
   message Property {
     // name is the property name.
     string name = 1;
     // value is the optional property value.
     string value = 2;
   }
   repeated Property property = 24;
+
+  // Links to a recipe_engine.Manifest proto.
+  message ManifestLink {
+    // The fully qualified (logdog://) url of the Manifest proto. It's expected
+    // that this is a binary logdog stream consisting of exactly one Manifest
+    // proto.
+    string url = 1;
+
+    // The hash of the Manifest. Milo will use this as an optimization;

[Ryan Tseng, 2017/07/19 00:29:38]

"The hash of the content of the Manifest in binary proto form"?

[iannucci, 2017/07/19 00:38:16]

Done.

+    // Manifests will be interned once into Milo's datastore. Future hashes
+    // which match will not be loaded from the url, but will be assumed to be
+    // identical. If the sha256 doesn't match the data at the URL, Milo may
+    // render this build with the wrong manifest.
+    string sha256 = 2;
+  }
+
+  // Maps the name of the Manifest, e.g. UNPATCHED, INFRA, etc. to the
+  // ManifestLink. This name will be used in the milo console definition to
+  // indicate which manifest data to sort the console view by.
+  map<string, ManifestLink> source_manifests = 25;
 }
 
 // A Link is an optional label followed by a typed link to an external
 // resource.
 message Link {
   // An optional display label for the link.
   string label = 1;
   // If present, this link is an alias for another link with this name, and
   // should be rendered in relation to that link.
   string alias_label = 2;
@@ skipping 39 matching lines @@
 
   // The quest name.
   string quest = 2;
 
   // The attempt number.
   int64 attempt = 3;
 
   // The execution number.
   int64 execution = 4;
 }