173 lines
6.5 KiB
Python
173 lines
6.5 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2011 OpenStack LLC.
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# All Rights Reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import webob.exc
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from novaclient import exceptions as nova_exceptions
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from reddwarf.common import exception
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from reddwarf.common import wsgi
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from reddwarf.common.auth import admin_context
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from reddwarf.common.remote import create_nova_client
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from reddwarf.instance import models as instance_models
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from reddwarf.extensions.mgmt.instances import models
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from reddwarf.extensions.mgmt.instances import views
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from reddwarf.extensions.mgmt.instances.views import DiagnosticsView
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from reddwarf.extensions.mgmt.instances.views import HwInfoView
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from reddwarf.extensions.mysql import models as mysql_models
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from reddwarf.instance.service import InstanceController
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from reddwarf.openstack.common import log as logging
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from reddwarf.openstack.common.gettextutils import _
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LOG = logging.getLogger(__name__)
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class MgmtInstanceController(InstanceController):
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"""Controller for instance functionality"""
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@admin_context
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def index(self, req, tenant_id, detailed=False):
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"""Return all instances."""
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LOG.info(_("req : '%s'\n\n") % req)
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LOG.info(_("Indexing a database instance for tenant '%s'") % tenant_id)
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context = req.environ[wsgi.CONTEXT_KEY]
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deleted = None
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deleted_q = req.GET.get('deleted', '').lower()
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if deleted_q in ['true']:
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deleted = True
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elif deleted_q in ['false']:
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deleted = False
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try:
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instances = models.load_mgmt_instances(context, deleted=deleted)
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except nova_exceptions.ClientException, e:
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LOG.error(e)
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return wsgi.Result(str(e), 403)
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view_cls = views.MgmtInstancesView
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return wsgi.Result(view_cls(instances, req=req).data(), 200)
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@admin_context
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def show(self, req, tenant_id, id):
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"""Return a single instance."""
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LOG.info(_("req : '%s'\n\n") % req)
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LOG.info(_("Showing a database instance for tenant '%s'") % tenant_id)
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LOG.info(_("id : '%s'\n\n") % id)
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context = req.environ[wsgi.CONTEXT_KEY]
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server = models.DetailedMgmtInstance.load(context, id)
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root_history = mysql_models.RootHistory.load(context=context,
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instance_id=id)
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return wsgi.Result(
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views.MgmtInstanceDetailView(
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server,
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req=req,
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root_history=root_history).data(),
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200)
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@admin_context
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def action(self, req, body, tenant_id, id):
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LOG.info("req : '%s'\n\n" % req)
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LOG.info("Committing an ACTION against instance %s for tenant '%s'"
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% (id, tenant_id))
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if not body:
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raise exception.BadRequest(_("Invalid request body."))
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context = req.environ[wsgi.CONTEXT_KEY]
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instance = models.MgmtInstance.load(context=context, id=id)
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_actions = {
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'stop': self._action_stop,
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'reboot': self._action_reboot,
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'migrate': self._action_migrate
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}
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selected_action = None
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for key in body:
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if key in _actions:
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if selected_action is not None:
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msg = _("Only one action can be specified per request.")
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raise exception.BadRequest(msg)
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selected_action = _actions[key]
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else:
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msg = _("Invalid instance action: %s") % key
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raise exception.BadRequest(msg)
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if selected_action:
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return selected_action(context, instance, body)
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else:
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raise exception.BadRequest(_("Invalid request body."))
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def _action_stop(self, context, instance, body):
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LOG.debug("Stopping MySQL on instance %s." % instance.id)
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instance.stop_mysql()
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return wsgi.Result(None, 202)
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def _action_reboot(self, context, instance, body):
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LOG.debug("Rebooting instance %s." % instance.id)
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instance.reboot()
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return wsgi.Result(None, 202)
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def _action_migrate(self, context, instance, body):
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LOG.debug("Migrating instance %s." % instance.id)
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instance.migrate()
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return wsgi.Result(None, 202)
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@admin_context
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def root(self, req, tenant_id, id):
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"""Return the date and time root was enabled on an instance,
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if ever."""
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LOG.info(_("req : '%s'\n\n") % req)
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LOG.info(_("Showing root history for tenant '%s'") % tenant_id)
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LOG.info(_("id : '%s'\n\n") % id)
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context = req.environ[wsgi.CONTEXT_KEY]
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try:
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server = instance_models.Instance.load(context=context, id=id)
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except exception.ReddwarfError, e:
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LOG.error(e)
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return wsgi.Result(str(e), 404)
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reh = mysql_models.RootHistory.load(context=context, instance_id=id)
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rhv = None
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if reh:
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rhv = views.RootHistoryView(reh.id, enabled=reh.created,
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user_id=reh.user)
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else:
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rhv = views.RootHistoryView(id)
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return wsgi.Result(rhv.data(), 200)
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@admin_context
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def hwinfo(self, req, tenant_id, id):
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"""Return a single instance hardware info."""
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LOG.info(_("req : '%s'\n\n") % req)
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LOG.info(_("Showing hardware info for instance '%s'") % id)
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context = req.environ[wsgi.CONTEXT_KEY]
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instance = models.MgmtInstance.load(context=context, id=id)
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hwinfo = instance.get_hwinfo()
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return wsgi.Result(HwInfoView(id, hwinfo).data(), 200)
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@admin_context
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def diagnostics(self, req, tenant_id, id):
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"""Return a single instance diagnostics."""
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LOG.info(_("req : '%s'\n\n") % req)
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LOG.info(_("Showing a instance diagnostics for instance '%s'") % id)
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LOG.info(_("id : '%s'\n\n") % id)
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context = req.environ[wsgi.CONTEXT_KEY]
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instance = models.MgmtInstance.load(context=context, id=id)
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diagnostics = instance.get_diagnostics()
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return wsgi.Result(DiagnosticsView(id, diagnostics).data(), 200)
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