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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2011 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# Copyright 2011 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.
import logging
from django import template
from django.contrib import messages
from django.shortcuts import redirect
from django.shortcuts import render_to_response
from django.contrib.auth.decorators import login_required
from django.utils.translation import ugettext as _
from glance.common import exception as glance_exception
from django_openstack import api
from django_openstack import forms
from django_openstack.decorators import enforce_admin_access
LOG = logging.getLogger('django_openstack.sysadmin.views.images')
class DeleteImage(forms.SelfHandlingForm):
image_id = forms.CharField(required=True)
def handle(self, request, data):
image_id = data['image_id']
try:
api.image_delete(request, image_id)
except glance_exception.ClientConnectionError, e:
LOG.exception("Error connecting to glance")
messages.error(request,
_("Error connecting to glance: %s") % e.message)
except glance_exception.Error, e:
LOG.exception('Error deleting image with id "%s"' % image_id)
messages.error(request, _("Error deleting image: %s") % e.message)
return redirect(request.build_absolute_uri())
class ToggleImage(forms.SelfHandlingForm):
image_id = forms.CharField(required=True)
def handle(self, request, data):
image_id = data['image_id']
try:
api.image_update(request, image_id,
image_meta={'is_public': False})
except glance_exception.ClientConnectionError, e:
LOG.exception("Error connecting to glance")
messages.error(request,
_("Error connecting to glance: %s") % e.message)
except glance_exception.Error, e:
LOG.exception('Error updating image with id "%s"' % image_id)
messages.error(request, _("Error updating image: %s") % e.message)
return redirect(request.build_absolute_uri())
class UpdateImageForm(forms.Form):
name = forms.CharField(max_length="25", label=_("Name"))
kernel = forms.CharField(max_length="25", label=_("Kernel ID"),
required=False)
ramdisk = forms.CharField(max_length="25", label=_("Ramdisk ID"),
required=False)
architecture = forms.CharField(label=_("Architecture"), required=False)
#project_id = forms.CharField(label=_("Project ID"))
container_format = forms.CharField(label=_("Container Format"),
required=False)
disk_format = forms.CharField(label=_("Disk Format"))
#is_public = forms.BooleanField(label=_("Publicly Available"),
# required=False)
@login_required
@enforce_admin_access
def index(request):
for f in (DeleteImage, ToggleImage):
form, handled = f.maybe_handle(request)
if handled:
return handled
# We don't have any way of showing errors for these, so don't bother
# trying to reuse the forms from above
delete_form = DeleteImage()
toggle_form = ToggleImage()
images = []
try:
images = api.image_list_detailed(request)
if not images:
messages.info(request, _("There are currently no images."))
except glance_exception.ClientConnectionError, e:
LOG.exception("Error connecting to glance")
messages.error(request,
_("Error connecting to glance: %s") % e.message)
except glance_exception.Error, e:
LOG.exception("Error retrieving image list")
messages.error(request,
_("Error retrieving image list: %s") % e.message)
return render_to_response('django_openstack/syspanel/images/index.html', {
'delete_form': delete_form,
'toggle_form': toggle_form,
'images': images,
}, context_instance=template.RequestContext(request))
@login_required
@enforce_admin_access
def update(request, image_id):
try:
image = api.image_get(request, image_id)
except glance_exception.ClientConnectionError, e:
LOG.exception("Error connecting to glance")
messages.error(request,
_("Error connecting to glance: %s") % e.message)
except glance_exception.Error, e:
LOG.exception('Error retrieving image with id "%s"' % image_id)
messages.error(request,
_("Error retrieving image %(image)s: %(msg)s") %
{"image": image_id, "msg": e.message})
if request.method == "POST":
form = UpdateImageForm(request.POST)
if form.is_valid():
image_form = form.clean()
metadata = {
'is_public': True,
'disk_format': image_form['disk_format'],
'container_format': image_form['container_format'],
'name': image_form['name'],
}
try:
# TODO add public flag to properties
metadata['properties'] = {}
if image_form['kernel']:
metadata['properties']['kernel_id'] = image_form['kernel']
if image_form['ramdisk']:
metadata['properties']['ramdisk_id'] = \
image_form['ramdisk']
if image_form['architecture']:
metadata['properties']['architecture'] = \
image_form['architecture']
api.image_update(request, image_id, metadata)
messages.success(request, _("Image was successfully updated."))
except glance_exception.ClientConnectionError, e:
LOG.exception("Error connecting to glance")
messages.error(request,
_("Error connecting to glance: %s") % e.message)
except glance_exception.Error, e:
LOG.exception('Error updating image with id "%s"' % image_id)
messages.error(request,
_("Error updating image: %s") % e.message)
except:
LOG.exception('Unspecified Exception in image update')
messages.error(request,
_("Image could not be updated, please try again."))
return redirect('syspanel_images_update', image_id)
else:
LOG.exception('Image "%s" failed to update' % image['name'])
messages.error(request,
_("Image could not be uploaded, please try agian."))
form = UpdateImageForm(request.POST)
return render_to_response('django_openstack/syspanel/images/'
'update.html', {
'image': image,
'form': form,
}, context_instance=template.RequestContext(request))
else:
form = UpdateImageForm(initial={
'name': image.get('name', ''),
'kernel': image['properties'].get('kernel_id', ''),
'ramdisk': image['properties'].get('ramdisk_id', ''),
'is_public': image.get('is_public', ''),
'location': image.get('location', ''),
'state': image['properties'].get('image_state', ''),
'architecture': image['properties'].get('architecture', ''),
'project_id': image['properties'].get('project_id', ''),
'container_format': image.get('container_format', ''),
'disk_format': image.get('disk_format', ''),
})
return render_to_response('django_openstack/syspanel/images/'
'update.html', {
'image': image,
'form': form,
}, context_instance=template.RequestContext(request))
@login_required
@enforce_admin_access
def upload(request):
if request.method == "POST":
form = UploadImageForm(request.POST)
if form.is_valid():
image = form.clean()
metadata = {'is_public': image['is_public'],
'disk_format': 'ami',
'container_format': 'ami',
'name': image['name']}
try:
messages.success(request,
_("Image was successfully uploaded."))
except:
# TODO add better error management
messages.error(request,
_("Image could not be uploaded, please try again."))
try:
api.image_create(request, metadata, image['image_file'])
except glance_exception.ClientConnectionError, e:
LOG.exception('Error connecting to glance while trying to'
'upload image')
messages.error(request,
_("Error connecting to glance: %s") % e.message)
except glance_exception.Error, e:
LOG.exception('Glance exception while uploading image')
messages.error(request,
_("Error adding image: %s") % e.message)
else:
LOG.exception('Image "%s" failed to upload' % image['name'])
messages.error(request,
_("Image could not be uploaded, please try agian."))
form = UploadImageForm(request.POST)
return render_to_response('django_nova_syspanel/images/'
'upload.html', {
'form': form,
}, context_instance=template.RequestContext(request))
return redirect('syspanel_images')
else:
form = UploadImageForm()
return render_to_response('django_nova_syspanel/images/'
'upload.html', {
'form': form,
}, context_instance=template.RequestContext(request))
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