[Findit] Make Findit more robust.

tools/findit/common/http_client_local.py

Index: tools/findit/common/http_client_local.py
diff --git a/tools/findit/common/http_client_local.py b/tools/findit/common/http_client_local.py
index fccb0b60266b44fe1300a6d77e78b195685ab671..8907bc03c15cddde2f844537f6e5fb2861c5b97a 100644
--- a/tools/findit/common/http_client_local.py
+++ b/tools/findit/common/http_client_local.py
@@ -21,6 +21,7 @@ import os
 import re
 import socket
 import ssl
+import time
 import urllib
 import urllib2
 
@@ -225,7 +226,25 @@ class HttpClientLocal(http_client.HttpClient):
   """This http client is used locally in a workstation, GCE VMs, etc."""
 
   @staticmethod
-  def Get(url, params={}, timeout=None):
+  def Get(url, params={}, timeout=60, retries=5, retry_interval=0.5,
+          retry_if_not=None):
     if params:
       url = '%s?%s' % (url, urllib.urlencode(params))
-    return _SendRequest(url, timeout=timeout)
+
+    count = 0
+    while True:
+      count += 1
+
+      status_code, content = _SendRequest(url, timeout=timeout)
+      if status_code == 200:
+        return status_code, content
+      if retry_if_not and status_code == retry_if_not:
+        return status_code, content
+
+      if count < retries:
+        time.sleep(retry_interval)
+      else:
+        return status_code, content
+
+    # Should never be reached.
+    return status_code, content