152 lines
5.3 KiB
Python
152 lines
5.3 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2010 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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# 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 volumes.
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"""
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from django import template
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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_nova import exceptions
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from django_nova import forms
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from django_nova import shortcuts
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from django_nova.exceptions import handle_nova_error
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@login_required
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@handle_nova_error
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def index(request, project_id):
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project = shortcuts.get_project_or_404(request, project_id)
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volumes = project.get_volumes()
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return render_to_response('django_nova/volumes/index.html', {
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'create_form': forms.CreateVolumeForm(),
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'attach_form': forms.AttachVolumeForm(project),
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'region': project.region,
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'project': project,
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'volumes': volumes,
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}, context_instance = template.RequestContext(request))
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@login_required
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@handle_nova_error
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def add(request, project_id):
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project = shortcuts.get_project_or_404(request, project_id)
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if request.method == 'POST':
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form = forms.CreateVolumeForm(request.POST)
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if form.is_valid():
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try:
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volume = project.create_volume(form.cleaned_data['size'],
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form.cleaned_data['nickname'],
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form.cleaned_data['description'])
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except exceptions.NovaApiError, e:
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messages.error(request,
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'Unable to create volume: %s' % e.message)
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else:
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messages.success(request,
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'Volume %s %s has been successfully created.' %
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(volume.id, volume.displayName))
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else:
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volumes = project.get_volumes()
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return render_to_response('django_nova/volumes/index.html', {
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'create_form': form,
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'attach_form': forms.AttachVolumeForm(project),
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'region': project.region,
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'project': project,
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'volumes': volumes,
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}, context_instance = template.RequestContext(request))
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return redirect('nova_volumes', project_id)
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@login_required
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@handle_nova_error
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def delete(request, project_id, volume_id):
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project = shortcuts.get_project_or_404(request, project_id)
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if request.method == 'POST':
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try:
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project.delete_volume(volume_id)
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except exceptions.NovaApiError, e:
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messages.error(request,
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'Unable to delete volume: %s' % e.message)
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else:
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messages.success(request,
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'Volume %s has been successfully deleted.'
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% volume_id)
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return redirect('nova_volumes', project_id)
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@login_required
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@handle_nova_error
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def attach(request, project_id):
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project = shortcuts.get_project_or_404(request, project_id)
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if request.method == 'POST':
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form = forms.AttachVolumeForm(project, request.POST)
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if form.is_valid():
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try:
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project.attach_volume(
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form.cleaned_data['volume'],
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form.cleaned_data['instance'],
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form.cleaned_data['device']
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)
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except exceptions.NovaApiError, e:
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messages.error(request,
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'Unable to attach volume: %s' % e.message)
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else:
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messages.success(request,
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'Volume %s has been successfully attached.' %
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form.cleaned_data['volume'])
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else:
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volumes = project.get_volumes()
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return render_to_response('django_nova/volumes/index.html', {
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'create_form': forms.CreateVolumeForm(),
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'attach_form': form,
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'region': project.region,
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'project': project,
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'volumes': volumes,
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}, context_instance = template.RequestContext(request))
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return redirect('nova_volumes', project_id)
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@login_required
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@handle_nova_error
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def detach(request, project_id, volume_id):
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project = shortcuts.get_project_or_404(request, project_id)
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if request.method == 'POST':
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try:
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project.detach_volume(volume_id)
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except exceptions.NovaApiError, e:
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messages.error(request,
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'Unable to detach volume: %s' % e.message)
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else:
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messages.success(request,
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'Volume %s has been successfully detached.' %
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volume_id)
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return redirect('nova_volumes', project_id)
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