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# -*- coding: utf8 -*-
#
# 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.
import novaclient
from django.core.urlresolvers import reverse
from django.utils.translation import ugettext_lazy as _
from django.views.generic import base as base_views
import horizon.forms
from horizon import tables as horizon_tables
from horizon import tabs as horizon_tabs
from horizon.utils import memoized
import horizon.workflows
from openstack_dashboard.api import nova
from tuskar_ui import api
from tuskar_ui.infrastructure.overcloud import forms
from tuskar_ui.infrastructure.overcloud import tables
from tuskar_ui.infrastructure.overcloud import tabs
from tuskar_ui.infrastructure.overcloud.workflows import scale
from tuskar_ui.infrastructure.overcloud.workflows import undeployed
INDEX_URL = 'horizon:infrastructure:overcloud:index'
class OvercloudMixin(object):
@memoized.memoized
def get_overcloud(self, redirect=None):
if redirect is None:
redirect = reverse(INDEX_URL)
overcloud_id = self.kwargs['overcloud_id']
overcloud = api.Overcloud.get(self.request, overcloud_id,
_error_redirect=redirect)
return overcloud
class OvercloudRoleMixin(object):
@memoized.memoized
def get_role(self, redirect=None):
role_id = self.kwargs['role_id']
role = api.OvercloudRole.get(self.request, role_id,
_error_redirect=redirect)
return role
class IndexView(base_views.RedirectView):
permanent = False
def get_redirect_url(self):
try:
# TODO(lsmola) implement this properly when supported by API
overcloud = api.Overcloud.get_the_overcloud(self.request)
except Exception:
overcloud = None
if overcloud is not None:
# TODO(lsmola) there can be a short period when overcloud
# is created, but stack not. So we have to make sure we have
# missing stack under control as a new STATE
# Also when deleting now, it first deletes Overcloud then Stack
# because stack takes much longer to delete. But we can probably
# ignore it for now and fix the worflow on API side.
redirect = reverse('horizon:infrastructure:overcloud:detail',
args=(overcloud.id,))
else:
redirect = reverse('horizon:infrastructure:overcloud:create')
return redirect
class CreateView(horizon.workflows.WorkflowView):
workflow_class = undeployed.Workflow
template_name = 'infrastructure/_fullscreen_workflow_base.html'
class DetailView(horizon_tabs.TabView, OvercloudMixin):
tab_group_class = tabs.DetailTabs
template_name = 'infrastructure/overcloud/detail.html'
def get_tabs(self, request, **kwargs):
overcloud = self.get_overcloud()
return self.tab_group_class(request, overcloud=overcloud, **kwargs)
def get_context_data(self, **kwargs):
context = super(DetailView, self).get_context_data(**kwargs)
context['overcloud'] = self.get_overcloud()
return context
class UndeployConfirmationView(horizon.forms.ModalFormView):
form_class = forms.UndeployOvercloud
template_name = 'infrastructure/overcloud/undeploy_confirmation.html'
def get_success_url(self):
return reverse('horizon:infrastructure:overcloud:index')
def get_context_data(self, **kwargs):
context = super(UndeployConfirmationView,
self).get_context_data(**kwargs)
context['overcloud_id'] = self.kwargs['overcloud_id']
return context
def get_initial(self, **kwargs):
initial = super(UndeployConfirmationView, self).get_initial(**kwargs)
initial['overcloud_id'] = self.kwargs['overcloud_id']
return initial
class Scale(horizon.workflows.WorkflowView, OvercloudMixin):
workflow_class = scale.Workflow
def get_context_data(self, **kwargs):
context = super(Scale, self).get_context_data(**kwargs)
context['overcloud_id'] = self.kwargs['overcloud_id']
return context
def get_initial(self):
overcloud = self.get_overcloud()
overcloud_roles = dict((overcloud_role.id, overcloud_role)
for overcloud_role in
api.OvercloudRole.list(self.request))
role_counts = dict((
(count['overcloud_role_id'],
overcloud_roles[count['overcloud_role_id']].flavor_id),
count['num_nodes'],
) for count in overcloud.counts)
return {
'overcloud_id': overcloud.id,
'role_counts': role_counts,
}
class OvercloudRoleView(horizon_tables.DataTableView,
OvercloudRoleMixin, OvercloudMixin):
table_class = tables.OvercloudRoleNodeTable
template_name = 'infrastructure/overcloud/overcloud_role.html'
@memoized.memoized
def _get_nodes(self, overcloud, role):
resources = overcloud.resources(role, with_joins=True)
return [r.node for r in resources]
def get_data(self):
overcloud = self.get_overcloud()
redirect = reverse('horizon:infrastructure:overcloud:detail',
args=(overcloud.id,))
role = self.get_role(redirect)
return self._get_nodes(overcloud, role)
def get_context_data(self, **kwargs):
context = super(OvercloudRoleView, self).get_context_data(**kwargs)
overcloud = self.get_overcloud()
redirect = reverse('horizon:infrastructure:overcloud:detail',
args=(overcloud.id,))
role = self.get_role(redirect)
context['role'] = role
context['image_name'] = role.image_name
context['nodes'] = self._get_nodes(overcloud, role)
try:
context['flavor'] = nova.flavor_get(self.request, role.flavor_id)
except novaclient.exceptions.NotFound:
context['flavor'] = None
except Exception:
msg = _('Unable to retrieve flavor.')
horizon.exceptions.handle(self.request, msg)
return context
class OvercloudRoleEdit(horizon.forms.ModalFormView, OvercloudRoleMixin):
form_class = forms.OvercloudRoleForm
template_name = 'infrastructure/overcloud/role_edit.html'
def get_success_url(self):
return reverse('horizon:infrastructure:overcloud:create')
def get_initial(self):
role = self.get_role()
return {
'id': role.id,
'name': role.name,
'description': role.description,
'image_name': role.image_name,
'flavor_id': role.flavor_id,
}
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