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# Copyright 2012 OpenStack Foundation
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from oslo_log import log as logging
from trove.common import exception
from trove.common.i18n import _
from trove.common import wsgi
from trove.extensions.mgmt.host import models
LOG = logging.getLogger(__name__)
class HostInstanceController(wsgi.Controller):
"""Controller for all instances on specific hosts."""
def action(self, req, body, tenant_id, host_id):
LOG.info("Committing an ACTION against host %(host_id)s for "
"tenant '%(tenant_id)s'\n"
"req : '%(req)s'\n\n", {"req": req, "host_id": host_id,
"tenant_id": tenant_id})
if not body:
raise exception.BadRequest(_("Invalid request body."))
context = req.environ[wsgi.CONTEXT_KEY]
host = models.DetailedHost.load(context, host_id)
_actions = {'update': self._action_update}
selected_action = None
for key in body:
if key in _actions:
if selected_action is not None:
msg = _("Only one action can be specified per request.")
raise exception.BadRequest(msg)
selected_action = _actions[key]
else:
msg = _("Invalid host action: %s") % key
raise exception.BadRequest(msg)
if selected_action:
return selected_action(context, host, body)
else:
raise exception.BadRequest(_("Invalid request body."))
def _action_update(self, context, host, body):
LOG.debug("Updating all instances for host: %s", host.name)
host.update_all(context)
return wsgi.Result(None, 202)
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