120 lines
4.2 KiB
Python
120 lines
4.2 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 Fourth Paradigm Development, 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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"""
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Views for managing Nova instance snapshots.
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"""
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import datetime
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import logging
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import re
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from django import http
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from django import template
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from django.conf import settings
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from django.contrib import messages
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from django.contrib.auth.decorators import login_required
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from django.shortcuts import redirect, render_to_response
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from django.utils.translation import ugettext as _
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from django import shortcuts
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from django_openstack import api
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from django_openstack import forms
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from openstackx.api import exceptions as api_exceptions
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from glance.common import exception as glance_exception
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LOG = logging.getLogger('django_openstack.dash.views.snapshots')
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class CreateSnapshot(forms.SelfHandlingForm):
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tenant_id = forms.CharField(widget=forms.HiddenInput())
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instance_id = forms.CharField(widget=forms.TextInput(
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attrs={'readonly': 'readonly'}))
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name = forms.CharField(max_length="20", label="Snapshot Name")
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def handle(self, request, data):
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try:
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LOG.info('Creating snapshot "%s"' % data['name'])
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snapshot = api.snapshot_create(request,
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data['instance_id'],
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data['name'])
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instance = api.server_get(request, data['instance_id'])
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messages.info(request, 'Snapshot "%s" created for instance "%s"' %\
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(data['name'], instance.name))
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return shortcuts.redirect('dash_snapshots', data['tenant_id'])
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except api_exceptions.ApiException, e:
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msg = 'Error Creating Snapshot: %s' % e.message
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LOG.error(msg, exc_info=True)
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messages.error(request, msg)
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return shortcuts.redirect(request.build_absolute_uri())
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@login_required
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def index(request, tenant_id):
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images = []
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try:
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images = api.snapshot_list_detailed(request)
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except glance_exception.ClientConnectionError, e:
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msg = 'Error connecting to glance: %s' % str(e)
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LOG.error(msg, exc_info=True)
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messages.error(request, msg)
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except glance_exception.Error, e:
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msg = 'Error retrieving image list: %s' % str(e)
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LOG.error(msg, exc_info=True)
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messages.error(request, msg)
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return render_to_response(
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'django_openstack/dash/snapshots/index.html', {
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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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def create(request, tenant_id, instance_id):
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form, handled = CreateSnapshot.maybe_handle(request,
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initial={'tenant_id': tenant_id,
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'instance_id': instance_id})
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if handled:
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return handled
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try:
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instance = api.server_get(request, instance_id)
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except api_exceptions.ApiException, e:
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msg = "Unable to retreive instance: %s" % str(e)
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LOG.error(msg)
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messages.error(request, msg)
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return shortcuts.redirect('dash_instances', tenant_id)
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valid_states = ['ACTIVE']
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if instance.status not in valid_states:
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messages.error(request, "To snapshot, instance state must be\
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one of the following: %s" %
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', '.join(valid_states))
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return shortcuts.redirect('dash_instances', tenant_id)
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return shortcuts.render_to_response(
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'django_openstack/dash/snapshots/create.html', {
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'instance': instance,
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'create_form': form,
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}, context_instance=template.RequestContext(request))
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