# Copyright 2012 Nebula, Inc.
#
# 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 collections import defaultdict
from django.conf import settings
from django.core.urlresolvers import reverse
from django.template import defaultfilters as filters
from django.utils.http import urlencode
from django.utils.translation import pgettext_lazy
from django.utils.translation import ugettext_lazy as _
from django.utils.translation import ungettext_lazy
from horizon import tables
from horizon.utils.memoized import memoized # noqa
from openstack_dashboard import api
NOT_LAUNCHABLE_FORMATS = ['aki', 'ari']
[docs]class LaunchImage(tables.LinkAction):
name = "launch_image"
verbose_name = _("Launch Instance")
url = "horizon:project:instances:launch"
classes = ("ajax-modal", "btn-launch")
icon = "cloud-upload"
policy_rules = (("compute", "compute:create"),)
[docs] def get_link_url(self, datum):
base_url = reverse(self.url)
if get_image_type(datum) == "image":
source_type = "image_id"
else:
source_type = "instance_snapshot_id"
params = urlencode({"source_type": source_type,
"source_id": self.table.get_object_id(datum)})
return "?".join([base_url, params])
[docs] def allowed(self, request, image=None):
if not api.base.is_service_enabled(request, 'compute'):
return False
if image and image.container_format not in NOT_LAUNCHABLE_FORMATS:
return image.status in ("active",)
return False
[docs]class LaunchImageNG(LaunchImage):
name = "launch_image_ng"
verbose_name = _("Launch")
url = "horizon:project:images:index"
classes = ("btn-launch", )
ajax = False
def __init__(self, attrs=None, **kwargs):
kwargs['preempt'] = True
super(LaunchImage, self).__init__(attrs, **kwargs)
[docs] def get_link_url(self, datum):
imageId = self.table.get_object_id(datum)
url = reverse(self.url)
ngclick = "modal.openLaunchInstanceWizard(" \
"{successUrl: '%s', imageId: '%s'})" % (url, imageId)
self.attrs.update({
"ng-controller": "LaunchInstanceModalController as modal",
"ng-click": ngclick
})
return "javascript:void(0);"
[docs]class DeleteImage(tables.DeleteAction):
# NOTE: The bp/add-batchactions-help-text
# will add appropriate help text to some batch/delete actions.
help_text = _("Deleted images are not recoverable.")
@staticmethod
[docs] def action_present(count):
return ungettext_lazy(
u"Delete Image",
u"Delete Images",
count
)
@staticmethod
[docs] def action_past(count):
return ungettext_lazy(
u"Deleted Image",
u"Deleted Images",
count
)
policy_rules = (("image", "delete_image"),)
[docs] def allowed(self, request, image=None):
# Protected images can not be deleted.
if image and image.protected:
return False
if image:
return image.owner == request.user.tenant_id
# Return True to allow table-level bulk delete action to appear.
return True
[docs] def delete(self, request, obj_id):
api.glance.image_delete(request, obj_id)
[docs]class CreateImage(tables.LinkAction):
name = "create"
verbose_name = _("Create Image")
url = "horizon:project:images:images:create"
classes = ("ajax-modal",)
icon = "plus"
policy_rules = (("image", "add_image"),)
[docs]class EditImage(tables.LinkAction):
name = "edit"
verbose_name = _("Edit Image")
url = "horizon:project:images:images:update"
classes = ("ajax-modal",)
icon = "pencil"
policy_rules = (("image", "modify_image"),)
[docs] def allowed(self, request, image=None):
if image:
return image.status in ("active",) and \
image.owner == request.user.tenant_id
# We don't have bulk editing, so if there isn't an image that's
# authorized, don't allow the action.
return False
[docs]class CreateVolumeFromImage(tables.LinkAction):
name = "create_volume_from_image"
verbose_name = _("Create Volume")
url = "horizon:project:volumes:volumes:create"
classes = ("ajax-modal",)
icon = "camera"
policy_rules = (("volume", "volume:create"),)
[docs] def get_link_url(self, datum):
base_url = reverse(self.url)
params = urlencode({"image_id": self.table.get_object_id(datum)})
return "?".join([base_url, params])
[docs] def allowed(self, request, image=None):
if (image and image.container_format not in NOT_LAUNCHABLE_FORMATS
and api.cinder.is_volume_service_enabled(request)):
return image.status == "active"
return False
[docs]def filter_tenants():
return getattr(settings, 'IMAGES_LIST_FILTER_TENANTS', [])
@memoized
[docs]def filter_tenant_ids():
return [ft['tenant'] for ft in filter_tenants()]
[docs]class OwnerFilter(tables.FixedFilterAction):
[docs] def categorize(self, table, images):
user_tenant_id = table.request.user.tenant_id
tenants = defaultdict(list)
for im in images:
categories = get_image_categories(im, user_tenant_id)
for category in categories:
tenants[category].append(im)
return tenants
[docs]def get_image_categories(im, user_tenant_id):
categories = []
if im.is_public:
categories.append('public')
if im.owner == user_tenant_id:
categories.append('project')
elif im.owner in filter_tenant_ids():
categories.append(im.owner)
elif not im.is_public:
categories.append('shared')
categories.append('other')
return categories
[docs]def get_image_name(image):
return getattr(image, "name", None) or image.id
[docs]def get_image_type(image):
return getattr(image, "properties", {}).get("image_type", "image")
[docs]class UpdateRow(tables.Row):
ajax = True
[docs] def get_data(self, request, image_id):
image = api.glance.image_get(request, image_id)
return image
[docs] def load_cells(self, image=None):
super(UpdateRow, self).load_cells(image)
# Tag the row with the image category for client-side filtering.
image = self.datum
my_tenant_id = self.table.request.user.tenant_id
image_categories = get_image_categories(image, my_tenant_id)
for category in image_categories:
self.classes.append('category-' + category)
[docs]class ImagesTable(tables.DataTable):
STATUS_CHOICES = (
("active", True),
("saving", None),
("queued", None),
("pending_delete", None),
("killed", False),
("deleted", False),
("deactivated", False),
)
STATUS_DISPLAY_CHOICES = (
("active", pgettext_lazy("Current status of an Image", u"Active")),
("saving", pgettext_lazy("Current status of an Image", u"Saving")),
("queued", pgettext_lazy("Current status of an Image", u"Queued")),
("pending_delete", pgettext_lazy("Current status of an Image",
u"Pending Delete")),
("killed", pgettext_lazy("Current status of an Image", u"Killed")),
("deleted", pgettext_lazy("Current status of an Image", u"Deleted")),
("deactivated", pgettext_lazy("Current status of an Image",
u"Deactivated")),
)
TYPE_CHOICES = (
("image", pgettext_lazy("Type of an image", u"Image")),
("snapshot", pgettext_lazy("Type of an image", u"Snapshot")),
)
name = tables.WrappingColumn(get_image_name,
link="horizon:project:images:images:detail",
verbose_name=_("Image Name"),)
image_type = tables.Column(get_image_type,
verbose_name=_("Type"),
display_choices=TYPE_CHOICES)
status = tables.Column("status",
verbose_name=_("Status"),
status=True,
status_choices=STATUS_CHOICES,
display_choices=STATUS_DISPLAY_CHOICES)
public = tables.Column("is_public",
verbose_name=_("Public"),
empty_value=False,
filters=(filters.yesno, filters.capfirst))
protected = tables.Column("protected",
verbose_name=_("Protected"),
empty_value=False,
filters=(filters.yesno, filters.capfirst))
disk_format = tables.Column(get_format, verbose_name=_("Format"))
size = tables.Column("size",
filters=(filters.filesizeformat,),
attrs=({"data-type": "size"}),
verbose_name=_("Size"))