I'll look at bumping a bunch of the warnings down:

current warings below, I'll be agressive and we can go through them on the review:

heat/engine/environment.py:                        LOG.warn(_('Removing %(item)s from %(path)s') % {
heat/engine/environment.py:                LOG.warn(_('Removing %(item)s from %(path)s') % {
heat/engine/environment.py:            LOG.warn(_('Changing %(path)s from %(was)s to %(now)s') % details)
heat/engine/event.py:            LOG.warning(_('Duplicating event'))
heat/engine/resource.py:                LOG.warn(_('db error %s') % ex)
heat/engine/resource.py:            LOG.warning(_("Resource %s does not implement metadata update")
heat/engine/resources/eip.py:                    LOG.warn(_("Floating IPs not found"))
heat/engine/resources/eip.py:                    LOG.warn(_("Floating IPs not found"))
heat/engine/resources/eip.py:                LOG.warn(_('Skipping association, InstanceId not specified'))
heat/engine/resources/eip.py:                LOG.warn(_('Skipping association, resource not specified'))
heat/engine/resources/neutron/neutron.py:            LOG.warn(_("failed to fetch resource attributes: %s") % ex)
heat/engine/resources/nova_utils.py:        LOG.warning(msg % {'name': server.name,
heat/engine/resources/nova_utils.py:            LOG.warning(msg % {'name': server.name,
heat/engine/resources/nova_utils.py:        LOG.warn(_('Instance (%(server)s) not found: %(ex)s')
heat/engine/resources/os_database.py:                LOG.warning(msg % {'name': self.stack.name,
heat/engine/resources/server.py:            LOG.warn(_('Instance (%s) not found') % self.resource_id)
heat/engine/resources/swift.py:                    LOG.warn(_("Head container failed: %s") % ex)
heat/engine/resources/user.py:                LOG.warning(_("Ignoring policy %s, must be string "
heat/engine/resources/user.py:                LOG.warning(_("Ignoring policy %s, must be string "
heat/engine/resources/user.py:            LOG.warning(_('Error deleting %s - user not found') % str(self))
heat/engine/resources/user.py:                LOG.warn(_('could not get secret for %(username)s '
heat/engine/resources/user.py:                        LOG.warn(_('could not get secret for %(username)s '
heat/engine/resources/volume.py:                    LOG.warn(_('can not delete volume when in-use'))
heat/engine/resources/volume.py:                LOG.warning(_('%s - volume not found') % str(self))
heat/engine/resources/volume.py:                LOG.warning(_('%(res)s - %(err)s') % {'res': str(self),
heat/engine/resources/volume.py:            LOG.warning(_('%s - volume not found') % str(self))
heat/engine/resources/wait_condition.py:                LOG.warning(_("Overwriting Metadata item for id %s!")
heat/engine/service.py:            LOG.warn(_('periodic_task db error watch rule removed? %(ex)s')
heat/engine/service.py:                LOG.warning(_("Stack create failed, status %s") % stack.status)
heat/engine/service.py:                LOG.warning(_("Access denied to resource %s") % resource_name)
heat/engine/service.py:                LOG.warn(_('show_watch (all) db error %s') % ex)
heat/engine/service.py:            LOG.warn(_('show_metric (all) db error %s') % ex)
heat/engine/signal_responder.py:            LOG.warning(_('Cannot generate signed url, '
heat/engine/stack.py:            LOG.warning(_("Unable to set parameters StackId identifier"))
heat/engine/stack_lock.py:            LOG.warning(_("Lock was already released on stack %s!") % stack_id)
heat/engine/stack_resource.py:            LOG.warning(not_implemented_msg % self.__class__.__name__)
heat/engine/stack_user.py:            LOG.warning(_('Reverting to legacy user delete path'))
heat/engine/template.py:            LOG.warn(_('Template does not contain any resources, so '
heat/engine/watchrule.py:                LOG.warn(_('WatchRule.load (%(watch_name)s) db error '
heat/engine/watchrule.py:                LOG.warning(_("Could not process watch state %s for stack")
heat/engine/watchrule.py:                LOG.warning(_("Unable to override state %(state)s for "