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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 json
from django.core.urlresolvers import reverse
from django.core.urlresolvers import reverse_lazy
import django.forms
import django.http
from django.utils.translation import ugettext_lazy as _
from django.views.generic import base
from horizon import exceptions
from horizon import forms as horizon_forms
from horizon import tabs as horizon_tabs
from horizon.utils import memoized
from openstack_dashboard.api import glance
from tuskar_ui import api
from tuskar_ui.infrastructure.nodes import forms
from tuskar_ui.infrastructure.nodes import tables
from tuskar_ui.infrastructure.nodes import tabs
import tuskar_ui.infrastructure.views as infrastructure_views
from tuskar_ui.utils import metering as metering_utils
def get_kernel_images(request):
try:
kernel_images = glance.image_list_detailed(
request, filters={'disk_format': 'aki'})[0]
except Exception:
exceptions.handle(request, _('Unable to retrieve kernel image list.'))
kernel_images = []
return kernel_images
def get_ramdisk_images(request):
try:
ramdisk_images = glance.image_list_detailed(
request, filters={'disk_format': 'ari'})[0]
except Exception:
exceptions.handle(request, _('Unable to retrieve ramdisk image list.'))
ramdisk_images = []
return ramdisk_images
class IndexView(infrastructure_views.ItemCountMixin,
horizon_tabs.TabbedTableView):
tab_group_class = tabs.NodeTabs
template_name = 'infrastructure/nodes/index.html'
def get_context_data(self, **kwargs):
context = super(IndexView, self).get_context_data(**kwargs)
register_action = {
'name': _('Register Nodes'),
'url': reverse('horizon:infrastructure:nodes:register'),
'icon': 'fa-plus',
'ajax_modal': True,
}
context['header_actions'] = [register_action]
return context
@memoized.memoized_method
def get_data(self):
return api.node.Node.list(self.request)
def get_tabs(self, request, **kwargs):
nodes = self.get_data()
return self.tab_group_class(request, nodes=nodes, **kwargs)
class RegisterView(horizon_forms.ModalFormView):
form_class = forms.RegisterNodeFormset
form_prefix = 'register_nodes'
template_name = 'infrastructure/nodes/register.html'
success_url = reverse_lazy('horizon:infrastructure:nodes:index')
submit_label = _("Register Nodes")
def get_data(self):
return []
def get_form(self, form_class):
initial = []
if self.request.FILES:
csv_form = forms.UploadNodeForm(self.request,
data=self.request.POST,
files=self.request.FILES)
if csv_form.is_valid():
initial = csv_form.get_data()
formset = forms.RegisterNodeFormset(
self.request.POST,
prefix=self.form_prefix,
request=self.request,
kernel_images=get_kernel_images(self.request),
ramdisk_images=get_ramdisk_images(self.request)
)
if formset.is_valid():
initial += formset.cleaned_data
formset = forms.RegisterNodeFormset(
None,
initial=initial,
prefix=self.form_prefix,
request=self.request,
kernel_images=get_kernel_images(self.request),
ramdisk_images=get_ramdisk_images(self.request)
)
formset.extra = 0
return formset
return forms.RegisterNodeFormset(
self.request.POST or None,
initial=initial,
prefix=self.form_prefix,
request=self.request,
kernel_images=get_kernel_images(self.request),
ramdisk_images=get_ramdisk_images(self.request)
)
def get_context_data(self, **kwargs):
context = super(RegisterView, self).get_context_data(**kwargs)
context['upload_form'] = forms.UploadNodeForm(self.request)
return context
class DetailView(horizon_tabs.TabView):
tab_group_class = tabs.NodeDetailTabs
template_name = 'infrastructure/nodes/detail.html'
def get_context_data(self, **kwargs):
context = super(DetailView, self).get_context_data(**kwargs)
node = self.get_data()
if node.maintenance:
table = tables.MaintenanceNodesTable(self.request)
else:
table = tables.ProvisionedNodesTable(self.request)
context['node'] = node
context['title'] = _("Node: %(uuid)s") % {'uuid': node.uuid}
context['url'] = self.get_redirect_url()
context['actions'] = table.render_row_actions(node)
return context
@memoized.memoized_method
def get_data(self):
node_uuid = self.kwargs.get('node_uuid')
node = api.node.Node.get(self.request, node_uuid,
_error_redirect=self.get_redirect_url())
return node
def get_tabs(self, request, **kwargs):
node = self.get_data()
return self.tab_group_class(self.request, node=node, **kwargs)
@staticmethod
def get_redirect_url():
return reverse_lazy('horizon:infrastructure:nodes:index')
class PerformanceView(base.TemplateView):
def get(self, request, *args, **kwargs):
meter = request.GET.get('meter')
date_options = request.GET.get('date_options')
date_from = request.GET.get('date_from')
date_to = request.GET.get('date_to')
stats_attr = request.GET.get('stats_attr', 'avg')
barchart = bool(request.GET.get('barchart'))
node_uuid = kwargs.get('node_uuid', None)
if node_uuid:
node = api.node.Node.get(request, node_uuid)
instance_uuids = [node.instance_uuid]
else:
# Aggregated stats for all nodes
instance_uuids = []
json_output = metering_utils.get_nodes_stats(
request=request,
node_uuid=node_uuid,
instance_uuids=instance_uuids,
meter=meter,
date_options=date_options,
date_from=date_from,
date_to=date_to,
stats_attr=stats_attr,
barchart=barchart)
return django.http.HttpResponse(
json.dumps(json_output), content_type='application/json')
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