horizon/openstack_dashboard/dashboards/admin/hypervisors/compute/views.py

101 lines
3.8 KiB
Python

# 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 django.urls import reverse
from django.urls import reverse_lazy
from django.utils.translation import ugettext_lazy as _
from horizon import exceptions
from horizon import forms
from openstack_dashboard import api
from openstack_dashboard.dashboards.admin.hypervisors.compute \
import forms as project_forms
class EvacuateHostView(forms.ModalFormView):
form_class = project_forms.EvacuateHostForm
template_name = 'admin/hypervisors/compute/evacuate_host.html'
context_object_name = 'compute_host'
success_url = reverse_lazy("horizon:admin:hypervisors:index")
page_title = _("Evacuate Host")
submit_label = page_title
def get_context_data(self, **kwargs):
context = super(EvacuateHostView, self).get_context_data(**kwargs)
context["compute_host"] = self.kwargs['compute_host']
return context
def get_active_compute_hosts_names(self, *args, **kwargs):
try:
services = api.nova.service_list(self.request,
binary='nova-compute')
return [service.host for service in services
if service.state == 'up']
except Exception:
redirect = reverse("horizon:admin:hypervisors:index")
msg = _('Unable to retrieve compute host information.')
exceptions.handle(self.request, msg, redirect=redirect)
def get_initial(self):
initial = super(EvacuateHostView, self).get_initial()
hosts = self.get_active_compute_hosts_names()
current_host = self.kwargs['compute_host']
initial.update({'current_host': current_host,
'hosts': hosts})
return initial
class DisableServiceView(forms.ModalFormView):
form_class = project_forms.DisableServiceForm
template_name = 'admin/hypervisors/compute/disable_service.html'
context_object_name = 'compute_host'
success_url = reverse_lazy("horizon:admin:hypervisors:index")
page_title = _("Disable Service")
submit_label = page_title
def get_context_data(self, **kwargs):
context = super(DisableServiceView, self).get_context_data(**kwargs)
context["compute_host"] = self.kwargs['compute_host']
return context
def get_initial(self):
initial = super(DisableServiceView, self).get_initial()
initial.update({'host': self.kwargs['compute_host']})
return initial
class MigrateHostView(forms.ModalFormView):
form_class = project_forms.MigrateHostForm
template_name = 'admin/hypervisors/compute/migrate_host.html'
context_object_name = 'compute_host'
success_url = reverse_lazy("horizon:admin:hypervisors:index")
page_title = _("Migrate Host")
submit_label = page_title
def get_context_data(self, **kwargs):
context = super(MigrateHostView, self).get_context_data(**kwargs)
context["compute_host"] = self.kwargs['compute_host']
return context
def get_initial(self):
initial = super(MigrateHostView, self).get_initial()
current_host = self.kwargs['compute_host']
initial.update({
'current_host': current_host,
'live_migrate': True,
'block_migration': False,
'disk_over_commit': False
})
return initial