def _check_sync(self):
"""
This will be the main operation related with checking that the
information on this platform agent (and sub-platforms) is consistent
with the information in the external network rooted at the
corresponding platform, then publishing relevant notification events.
For the moment, it only reports the value of the external checksum
and the value of the local checksum.
@todo complete implementation
@return {'external_checksum': string, 'local_checksum': string}
"""
log.debug("%r: _check_sync: getting external checksum...", self._platform_id)
external_checksum = self.get_external_checksum()
local_checksum = self._pnode.compute_checksum()
if log.isEnabledFor(logging.DEBUG): # pragma: no cover
filename = "logs/checksum_check_from_driver.yml"
try:
from ion.agents.platform.util.network_util import NetworkUtil
open(filename, "w").write(NetworkUtil.serialize_pnode(self._pnode))
except Exception as e:
log.debug("%r: cannot write %s: %s", self._platform_id, filename, e)
result = {'external_checksum': external_checksum,
'local_checksum': local_checksum}
log.debug("%r: _check_sync: result: %s", self._platform_id, result)
# TODO - if checksums are different, determine what sub-components are
# in disagreement; publish relevant event(s), etc.
return result
