245 lines
9.0 KiB
Python
245 lines
9.0 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2012 Nebula, Inc.
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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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"""
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Views for managing volumes.
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"""
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from django.core.urlresolvers import reverse
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from django.core.urlresolvers import reverse_lazy
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from django.utils.translation import ugettext_lazy as _
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from horizon import exceptions
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from horizon import forms
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from horizon import tables
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from horizon import tabs
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from horizon.utils import memoized
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from openstack_dashboard import api
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from openstack_dashboard.api import cinder
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from openstack_dashboard.usage import quotas
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from openstack_dashboard.dashboards.project.volumes \
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.volumes import forms as project_forms
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from openstack_dashboard.dashboards.project.volumes \
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.volumes import tables as project_tables
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from openstack_dashboard.dashboards.project.volumes \
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.volumes import tabs as project_tabs
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class DetailView(tabs.TabView):
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tab_group_class = project_tabs.VolumeDetailTabs
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template_name = 'project/volumes/volumes/detail.html'
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def get_context_data(self, **kwargs):
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context = super(DetailView, self).get_context_data(**kwargs)
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context["volume"] = self.get_data()
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return context
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@memoized.memoized_method
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def get_data(self):
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try:
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volume_id = self.kwargs['volume_id']
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volume = cinder.volume_get(self.request, volume_id)
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for att in volume.attachments:
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att['instance'] = api.nova.server_get(self.request,
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att['server_id'])
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except Exception:
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redirect = reverse('horizon:project:volumes:index')
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exceptions.handle(self.request,
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_('Unable to retrieve volume details.'),
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redirect=redirect)
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return volume
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def get_tabs(self, request, *args, **kwargs):
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volume = self.get_data()
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return self.tab_group_class(request, volume=volume, **kwargs)
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class CreateView(forms.ModalFormView):
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form_class = project_forms.CreateForm
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template_name = 'project/volumes/volumes/create.html'
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success_url = reverse_lazy("horizon:project:volumes:index")
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def get_context_data(self, **kwargs):
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context = super(CreateView, self).get_context_data(**kwargs)
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try:
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context['usages'] = quotas.tenant_limit_usages(self.request)
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except Exception:
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exceptions.handle(self.request)
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return context
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class ExtendView(forms.ModalFormView):
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form_class = project_forms.ExtendForm
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template_name = 'project/volumes/volumes/extend.html'
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success_url = reverse_lazy("horizon:project:volumes:index")
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def get_object(self):
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if not hasattr(self, "_object"):
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volume_id = self.kwargs['volume_id']
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try:
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self._object = cinder.volume_get(self.request, volume_id)
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except Exception:
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self._object = None
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exceptions.handle(self.request,
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_('Unable to retrieve volume information.'))
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return self._object
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def get_context_data(self, **kwargs):
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context = super(ExtendView, self).get_context_data(**kwargs)
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context['volume'] = self.get_object()
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try:
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usages = quotas.tenant_limit_usages(self.request)
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usages['gigabytesUsed'] = (usages['gigabytesUsed']
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- context['volume'].size)
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context['usages'] = usages
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except Exception:
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exceptions.handle(self.request)
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return context
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def get_initial(self):
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volume = self.get_object()
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return {'id': self.kwargs['volume_id'],
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'name': volume.name,
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'orig_size': volume.size}
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class CreateSnapshotView(forms.ModalFormView):
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form_class = project_forms.CreateSnapshotForm
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template_name = 'project/volumes/volumes/create_snapshot.html'
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success_url = reverse_lazy("horizon:project:volumes:index")
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def get_context_data(self, **kwargs):
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context = super(CreateSnapshotView, self).get_context_data(**kwargs)
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context['volume_id'] = self.kwargs['volume_id']
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try:
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volume = cinder.volume_get(self.request, context['volume_id'])
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if (volume.status == 'in-use'):
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context['attached'] = True
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context['form'].set_warning(_("This volume is currently "
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"attached to an instance. "
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"In some cases, creating a "
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"snapshot from an attached "
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"volume can result in a "
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"corrupted snapshot."))
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context['usages'] = quotas.tenant_limit_usages(self.request)
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except Exception:
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exceptions.handle(self.request,
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_('Unable to retrieve volume information.'))
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return context
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def get_initial(self):
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return {'volume_id': self.kwargs["volume_id"]}
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class UpdateView(forms.ModalFormView):
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form_class = project_forms.UpdateForm
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template_name = 'project/volumes/volumes/update.html'
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success_url = reverse_lazy("horizon:project:volumes:index")
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def get_object(self):
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if not hasattr(self, "_object"):
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vol_id = self.kwargs['volume_id']
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try:
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self._object = cinder.volume_get(self.request, vol_id)
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except Exception:
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msg = _('Unable to retrieve volume.')
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url = reverse('horizon:project:volumes:index')
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exceptions.handle(self.request, msg, redirect=url)
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return self._object
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def get_context_data(self, **kwargs):
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context = super(UpdateView, self).get_context_data(**kwargs)
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context['volume'] = self.get_object()
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return context
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def get_initial(self):
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volume = self.get_object()
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return {'volume_id': self.kwargs["volume_id"],
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'name': volume.name,
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'description': volume.description}
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class EditAttachmentsView(tables.DataTableView, forms.ModalFormView):
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table_class = project_tables.AttachmentsTable
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form_class = project_forms.AttachForm
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template_name = 'project/volumes/volumes/attach.html'
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success_url = reverse_lazy("horizon:project:volumes:index")
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@memoized.memoized_method
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def get_object(self):
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volume_id = self.kwargs['volume_id']
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try:
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return cinder.volume_get(self.request, volume_id)
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except Exception:
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self._object = None
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exceptions.handle(self.request,
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_('Unable to retrieve volume information.'))
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def get_data(self):
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try:
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volumes = self.get_object()
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attachments = [att for att in volumes.attachments if att]
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except Exception:
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attachments = []
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exceptions.handle(self.request,
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_('Unable to retrieve volume information.'))
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return attachments
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def get_initial(self):
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try:
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instances, has_more = api.nova.server_list(self.request)
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except Exception:
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instances = []
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exceptions.handle(self.request,
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_("Unable to retrieve attachment information."))
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return {'volume': self.get_object(),
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'instances': instances}
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@memoized.memoized_method
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def get_form(self):
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form_class = self.get_form_class()
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return super(EditAttachmentsView, self).get_form(form_class)
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def get_context_data(self, **kwargs):
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context = super(EditAttachmentsView, self).get_context_data(**kwargs)
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context['form'] = self.get_form()
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volume = self.get_object()
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if volume and volume.status == 'available':
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context['show_attach'] = True
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else:
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context['show_attach'] = False
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context['volume'] = volume
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if self.request.is_ajax():
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context['hide'] = True
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return context
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def get(self, request, *args, **kwargs):
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# Table action handling
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handled = self.construct_tables()
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if handled:
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return handled
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return self.render_to_response(self.get_context_data(**kwargs))
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def post(self, request, *args, **kwargs):
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form = self.get_form()
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if form.is_valid():
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return self.form_valid(form)
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else:
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return self.get(request, *args, **kwargs)
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