Add search route for doing ES searches.

Author: johnsusek

src/handlers/search/get.js

@@ -0,0 +1,18 @@
+import { getClient } from '../../common/elasticsearch_client';
+
+export default function searchHandler(request, response) {
+  /**
+   * @type {ElastalertServer}
+   */
+  var client = getClient();
+
+  client.search({
+    index: request.params.index,
+    body: request.body
+  }).then(function(resp) {
+    response.send(resp);
+  }, function(error) {
+    response.send({ error });
+  });
+
+}

src/routes/routes.js

@@ -16,6 +16,7 @@ import configGetHandler from '../handlers/config/get';
 import configPostHandler from '../handlers/config/post';
 import metadataHandler from '../handlers/metadata/get';
 import mappingHandler from '../handlers/mapping/get';
+import searchHandler from '../handlers/search/get';
 
 /**
  * A server route.
@@ -86,6 +87,11 @@ let routes = [
     path: 'mapping/:index',
     method: ['GET'],
     handler: [mappingHandler]
+  },
+  {
+    path: 'search/:index',
+    method: ['POST'],
+    handler: [searchHandler]
   }
 ];