274 lines
9.3 KiB
Python
274 lines
9.3 KiB
Python
# 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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from collections import defaultdict
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from django.conf import settings
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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 pgettext_lazy
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from django.utils.translation import ugettext_lazy as _
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from django.utils.translation import ungettext_lazy
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from horizon import tables
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from horizon.utils.memoized import memoized # noqa
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from openstack_dashboard import api
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from openstack_dashboard.api import base
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NOT_LAUNCHABLE_FORMATS = ['aki', 'ari']
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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:project:instances:launch"
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classes = ("ajax-modal", "btn-launch")
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icon = "cloud-upload"
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policy_rules = (("compute", "compute:create"),)
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def get_link_url(self, datum):
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base_url = reverse(self.url)
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if get_image_type(datum) == "image":
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source_type = "image_id"
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else:
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source_type = "instance_snapshot_id"
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params = urlencode({"source_type": source_type,
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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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def allowed(self, request, image=None):
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if image and image.container_format not in NOT_LAUNCHABLE_FORMATS:
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return image.status in ("active",)
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return False
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class DeleteImage(tables.DeleteAction):
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# NOTE: The bp/add-batchactions-help-text
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# will add appropriate help text to some batch/delete actions.
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help_text = _("Deleted images are not recoverable.")
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@staticmethod
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def action_present(count):
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return ungettext_lazy(
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u"Delete Image",
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u"Delete Images",
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count
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)
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@staticmethod
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def action_past(count):
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return ungettext_lazy(
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u"Deleted Image",
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u"Deleted Images",
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count
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)
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policy_rules = (("image", "delete_image"),)
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def allowed(self, request, image=None):
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# Protected images can not be deleted.
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if image and image.protected:
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return False
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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.glance.image_delete(request, obj_id)
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class CreateImage(tables.LinkAction):
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name = "create"
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verbose_name = _("Create Image")
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url = "horizon:project:images:images:create"
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classes = ("ajax-modal",)
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icon = "plus"
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policy_rules = (("image", "add_image"),)
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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:project:images:images:update"
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classes = ("ajax-modal",)
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icon = "pencil"
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policy_rules = (("image", "modify_image"),)
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def allowed(self, request, image=None):
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if image:
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return image.status in ("active",) and \
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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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class CreateVolumeFromImage(tables.LinkAction):
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name = "create_volume_from_image"
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verbose_name = _("Create Volume")
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url = "horizon:project:volumes:volumes:create"
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classes = ("ajax-modal",)
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icon = "camera"
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policy_rules = (("volume", "volume:create"),)
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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({"image_id": self.table.get_object_id(datum)})
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return "?".join([base_url, params])
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def allowed(self, request, image=None):
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if (image and image.container_format not in NOT_LAUNCHABLE_FORMATS
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and base.is_service_enabled(request, 'volume')):
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return image.status == "active"
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return False
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def filter_tenants():
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return getattr(settings, 'IMAGES_LIST_FILTER_TENANTS', [])
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@memoized
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def filter_tenant_ids():
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return map(lambda ft: ft['tenant'], filter_tenants())
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class OwnerFilter(tables.FixedFilterAction):
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def get_fixed_buttons(self):
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def make_dict(text, tenant, icon):
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return dict(text=text, value=tenant, icon=icon)
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buttons = [make_dict(_('Project'), 'project', 'fa-home')]
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for button_dict in filter_tenants():
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new_dict = button_dict.copy()
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new_dict['value'] = new_dict['tenant']
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buttons.append(new_dict)
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buttons.append(make_dict(_('Shared with Me'), 'shared',
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'fa-share-square-o'))
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buttons.append(make_dict(_('Public'), 'public', 'fa-group'))
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return buttons
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def categorize(self, table, images):
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user_tenant_id = table.request.user.tenant_id
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tenants = defaultdict(list)
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for im in images:
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categories = get_image_categories(im, user_tenant_id)
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for category in categories:
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tenants[category].append(im)
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return tenants
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def get_image_categories(im, user_tenant_id):
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categories = []
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if im.is_public:
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categories.append('public')
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if im.owner == user_tenant_id:
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categories.append('project')
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elif im.owner in filter_tenant_ids():
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categories.append(im.owner)
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elif not im.is_public:
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categories.append('shared')
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return categories
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def get_image_name(image):
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return getattr(image, "name", None) or image.id
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def get_image_type(image):
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return getattr(image, "properties", {}).get("image_type", "image")
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def get_format(image):
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format = getattr(image, "disk_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 format is not None:
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return format.upper()
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class UpdateRow(tables.Row):
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ajax = True
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def get_data(self, request, image_id):
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image = api.glance.image_get(request, image_id)
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return image
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def load_cells(self, image=None):
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super(UpdateRow, self).load_cells(image)
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# Tag the row with the image category for client-side filtering.
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image = self.datum
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my_tenant_id = self.table.request.user.tenant_id
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image_categories = get_image_categories(image, my_tenant_id)
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for category in image_categories:
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self.classes.append('category-' + category)
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class ImagesTable(tables.DataTable):
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STATUS_CHOICES = (
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("active", True),
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("saving", None),
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("queued", None),
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("pending_delete", None),
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("killed", False),
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("deleted", False),
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)
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STATUS_DISPLAY_CHOICES = (
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("active", pgettext_lazy("Current status of an Image", u"Active")),
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("saving", pgettext_lazy("Current status of an Image", u"Saving")),
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("queued", pgettext_lazy("Current status of an Image", u"Queued")),
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("pending_delete", pgettext_lazy("Current status of an Image",
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u"Pending Delete")),
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("killed", pgettext_lazy("Current status of an Image", u"Killed")),
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("deleted", pgettext_lazy("Current status of an Image", u"Deleted")),
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)
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name = tables.Column(get_image_name,
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link=("horizon:project:images: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",
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verbose_name=_("Status"),
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status=True,
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status_choices=STATUS_CHOICES,
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display_choices=STATUS_DISPLAY_CHOICES)
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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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protected = tables.Column("protected",
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verbose_name=_("Protected"),
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empty_value=False,
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filters=(filters.yesno, filters.capfirst))
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disk_format = tables.Column(get_format, verbose_name=_("Format"))
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size = tables.Column("size",
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filters=(filters.filesizeformat,),
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attrs=({"data-type": "size"}),
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verbose_name=_("Size"))
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class Meta(object):
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name = "images"
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row_class = UpdateRow
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status_columns = ["status"]
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verbose_name = _("Images")
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table_actions = (OwnerFilter, CreateImage, DeleteImage,)
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row_actions = (LaunchImage, CreateVolumeFromImage,
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EditImage, DeleteImage,)
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pagination_param = "image_marker"
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