monitor-ec-build-slaves failing with Request limit exceeded error

[Deepti B. Kalakeri]

Here is the details of the error:

Traceback (most recent call last):
 File "linaro-aws-tools/monitor-ec2-build-slaves", line 150, in <module>
   for reservation in ec2.get_all_instances():
 File "/usr/local/lib/python2.7/dist-packages/boto-2.3.0-py2.7.egg/boto/ec2/connection.py", line 467, in get_all_instances
   [('item', Reservation)], verb='POST')
 File "/usr/local/lib/python2.7/dist-packages/boto-2.3.0-py2.7.egg/boto/connection.py", line 882, in get_list
   response = self.make_request(action, params, path, verb)
 File "/usr/local/lib/python2.7/dist-packages/boto-2.3.0-py2.7.egg/boto/connection.py", line 868, in make_request
   return self._mexe(http_request)
 File "/usr/local/lib/python2.7/dist-packages/boto-2.3.0-py2.7.egg/boto/connection.py", line 792, in _mexe
   raise BotoServerError(response.status, response.reason, body)
boto.exception.BotoServerError: BotoServerError: 503 Service Unavailable
<?xml version="1.0" encoding="UTF-8"?>
<Response><Errors><Error><Code>RequestLimitExceeded</Code><Message>Request limit exceeded.</Message></Error></Errors><RequestID>f6590ce9-f208-4e9d-a0d3-4f9720955bfe</RequestID></Response>

[Paul Sokolovsky (pfalcon)]

This appears to have been a random glitch on EC2 side (we had build pile-up at the same time due to inability to run slaves).
Didn't re-occur, closing.