gate failures due to tools/config/check_uptodate.sh

Ceilometer tests are failing on the gate due to the following error:

2014-03-26 15:52:53.583 | py27 runtests: commands[1] | /home/jenkins/workspace/gate-ceilometer-python27/tools/config/check_uptodate.sh
2014-03-26 15:52:55.271 | --- /tmp/ceilometer.KH1Xhy/ceilometer.conf.sample 2014-03-26 15:52:55.000000000 +0000
2014-03-26 15:52:55.271 | +++ etc/ceilometer/ceilometer.conf.sample 2014-03-26 15:48:32.000000000 +0000
2014-03-26 15:52:55.271 | @@ -772,6 +772,12 @@
2014-03-26 15:52:55.272 | # with Identity API Server. (integer value)
2014-03-26 15:52:55.272 | #http_request_max_retries=3
2014-03-26 15:52:55.272 |
2014-03-26 15:52:55.272 | +# Allows to pass in the name of a fake http_handler callback
2014-03-26 15:52:55.272 | +# function used instead of httplib.HTTPConnection or
2014-03-26 15:52:55.272 | +# httplib.HTTPSConnection. Useful for unit testing where
2014-03-26 15:52:55.272 | +# network is not available. (string value)
2014-03-26 15:52:55.272 | +#http_handler=<None>
2014-03-26 15:52:55.272 | +
2014-03-26 15:52:55.272 | # Single shared secret with the Keystone configuration used
2014-03-26 15:52:55.272 | # for bootstrapping a Keystone installation, or otherwise
2014-03-26 15:52:55.273 | # bypassing the normal authentication process. (string value)
2014-03-26 15:52:55.273 | @@ -809,24 +815,20 @@
2014-03-26 15:52:55.273 | # value)
2014-03-26 15:52:55.273 | #signing_dir=<None>
2014-03-26 15:52:55.273 |
2014-03-26 15:52:55.273 | -# Optionally specify a list of memcached server(s) to use for
2014-03-26 15:52:55.273 | -# caching. If left undefined, tokens will instead be cached
2014-03-26 15:52:55.273 | -# in-process. (list value)
2014-03-26 15:52:55.273 | +# If defined, the memcache server(s) to use for caching (list
2014-03-26 15:52:55.273 | +# value)
2014-03-26 15:52:55.273 | # Deprecated group/name - [DEFAULT]/memcache_servers
2014-03-26 15:52:55.273 | #memcached_servers=<None>
2014-03-26 15:52:55.274 |
2014-03-26 15:52:55.274 | -# In order to prevent excessive effort spent validating
2014-03-26 15:52:55.274 | -# tokens, the middleware caches previously-seen tokens for a
2014-03-26 15:52:55.274 | -# configurable duration (in seconds). Set to -1 to disable
2014-03-26 15:52:55.274 | -# caching completely. (integer value)
2014-03-26 15:52:55.274 | +# In order to prevent excessive requests and validations, the
2014-03-26 15:52:55.274 | +# middleware uses an in-memory cache for the tokens the
2014-03-26 15:52:55.274 | +# Keystone API returns. This is only valid if memcache_servers
2014-03-26 15:52:55.274 | +# is defined. Set to -1 to disable caching completely.
2014-03-26 15:52:55.274 | +# (integer value)
2014-03-26 15:52:55.274 | #token_cache_time=300
2014-03-26 15:52:55.275 |
2014-03-26 15:52:55.275 | -# Determines the frequency at which the list of revoked tokens
2014-03-26 15:52:55.275 | -# is retrieved from the Identity service (in seconds). A high
2014-03-26 15:52:55.275 | -# number of revocation events combined with a low cache
2014-03-26 15:52:55.275 | -# duration may significantly reduce performance. (integer
2014-03-26 15:52:55.275 | -# value)
2014-03-26 15:52:55.275 | -#revocation_cache_time=300
2014-03-26 15:52:55.275 | +# Value only used for unit testing (integer value)
2014-03-26 15:52:55.275 | +#revocation_cache_time=1
2014-03-26 15:52:55.275 |
2014-03-26 15:52:55.275 | # (optional) if defined, indicate whether token data should be
2014-03-26 15:52:55.275 | # authenticated or authenticated and encrypted. Acceptable
2014-03-26 15:52:55.276 | check_uptodate.sh: ceilometer.conf.sample is not up to date.
2014-03-26 15:52:55.276 | check_uptodate.sh: Please run /home/jenkins/workspace/gate-ceilometer-python27/tools/config/generate_sample.sh.
2014-03-26 15:52:55.276 | ERROR: InvocationError: '/home/jenkins/workspace/gate-ceilometer-python27/tools/config/check_uptodate.sh'

The issue seems to keystoneclient related, e.g.: 'revocation_cahce_time' was increased in the following commit: https://review.openstack.org/#/c/78700/