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