d8affa596c
Implements blueprint workflows. Adds a reusable workflow component to Horizon, and puts it to use for the Launch Instance user interface. Contains tests with roughly 90% coverage and full documentation. Change-Id: I7325ef9db2ba2496d3fc1e2767cfeda50c71cbca
105 lines
3.6 KiB
Python
105 lines
3.6 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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import logging
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from django.core.urlresolvers import reverse
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from django.template import defaultfilters as filters
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from django.utils.http import urlencode
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from django.utils.translation import ugettext_lazy as _
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from horizon import api
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from horizon import tables
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LOG = logging.getLogger(__name__)
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class LaunchImage(tables.LinkAction):
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name = "launch_image"
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verbose_name = _("Launch")
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url = "horizon:nova:instances_and_volumes:instances:launch"
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classes = ("btn-launch", "ajax-modal")
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def get_link_url(self, datum):
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base_url = reverse(self.url)
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params = urlencode({"source_type": "image_id",
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"source_id": self.table.get_object_id(datum)})
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return "?".join([base_url, params])
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class DeleteImage(tables.DeleteAction):
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data_type_singular = _("Image")
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data_type_plural = _("Images")
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def allowed(self, request, image=None):
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if image:
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return image.owner == request.user.tenant_id
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# Return True to allow table-level bulk delete action to appear.
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return True
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def delete(self, request, obj_id):
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api.image_delete(request, obj_id)
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class EditImage(tables.LinkAction):
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name = "edit"
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verbose_name = _("Edit")
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url = "horizon:nova:images_and_snapshots:images:update"
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classes = ("ajax-modal", "btn-edit")
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def allowed(self, request, image=None):
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if image:
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return image.owner == request.user.tenant_id
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# We don't have bulk editing, so if there isn't an image that's
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# authorized, don't allow the action.
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return False
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def get_image_type(image):
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return getattr(image.properties, "image_type", "Image")
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def get_container_format(image):
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container_format = getattr(image, "container_format", "")
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# The "container_format" attribute can actually be set to None,
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# which will raise an error if you call upper() on it.
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if container_format is not None:
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return container_format.upper()
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class ImagesTable(tables.DataTable):
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name = tables.Column("name", link="horizon:nova:images_and_snapshots:" \
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"images:detail",
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verbose_name=_("Image Name"))
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image_type = tables.Column(get_image_type,
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verbose_name=_("Type"),
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filters=(filters.title,))
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status = tables.Column("status", filters=(filters.title,),
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verbose_name=_("Status"))
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public = tables.Column("is_public",
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verbose_name=_("Public"),
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empty_value=False,
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filters=(filters.yesno, filters.capfirst))
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container_format = tables.Column(get_container_format,
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verbose_name=_("Container Format"))
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class Meta:
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name = "images"
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verbose_name = _("Images")
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table_actions = (DeleteImage,)
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row_actions = (LaunchImage, EditImage, DeleteImage)
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