api: add backward compatible info required for rhodecode-index.

rhodecode/api/tests/test_get_server_info.py

@@ -67,3 +67,12 b' class TestGetServerInfo(object):'
         expected['server'] = resp['result']['server']
 
         assert_ok(id_, expected, given=response.body)
+
+    def test_api_get_server_info_data_for_search_index_build(self):
+        id_, params = build_data(self.apikey, 'get_server_info')
+        response = api_call(self.app, params)
+        resp = response.json
+
+        # required by indexer
+        assert resp['result']['index_storage']
+        assert resp['result']['storage']

rhodecode/api/views/server_api.py

@@ -60,7 +60,13 b' def get_server_info(request, apiuser):'
     if not has_superadmin_permission(apiuser):
         raise JSONRPCForbidden()
 
-    return ScmModel().get_server_info(request.environ)
+    server_info = ScmModel().get_server_info(request.environ)
+    # rhodecode-index requires those
+
+    server_info['index_storage'] = server_info['search']['value']['location']
+    server_info['storage'] = server_info['storage']['value']['path']
+
+    return server_info
 
 
 @jsonrpc_method()