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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# 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.
"""
Views for managing Nova security groups.
"""
from django import http
from django import template
from django.contrib import messages
from django.contrib.auth.decorators import login_required
from django.shortcuts import redirect, render_to_response
from django_nova import exceptions
from django_nova import forms
from django_nova.exceptions import handle_nova_error
from django_nova.shortcuts import get_project_or_404
@login_required
@handle_nova_error
def index(request, project_id):
project = get_project_or_404(request, project_id)
securitygroups = project.get_security_groups()
return render_to_response('django_nova/securitygroups/index.html', {
'create_form': forms.CreateSecurityGroupForm(project),
'project': project,
'securitygroups': securitygroups,
}, context_instance = template.RequestContext(request))
@login_required
@handle_nova_error
def detail(request, project_id, group_name):
project = get_project_or_404(request, project_id)
securitygroup = project.get_security_group(group_name)
if not securitygroup:
raise http.Http404
return render_to_response('django_nova/securitygroups/detail.html', {
'authorize_form': forms.AuthorizeSecurityGroupRuleForm(),
'project': project,
'securitygroup': securitygroup,
}, context_instance = template.RequestContext(request))
@login_required
@handle_nova_error
def add(request, project_id):
project = get_project_or_404(request, project_id)
if request.method == 'POST':
form = forms.CreateSecurityGroupForm(project, request.POST)
if form.is_valid():
try:
project.create_security_group(
form.cleaned_data['name'],
form.cleaned_data['description'])
except exceptions.NovaApiError, e:
messages.error(request,
'Unable to create security group: %s' % e.message)
else:
messages.success(
request,
'Security Group %s has been succesfully created.' % \
form.cleaned_data['name'])
else:
securitygroups = project.get_security_groups()
return render_to_response('django_nova/securitygroups/index.html', {
'create_form': form,
'project': project,
'securitygroups': securitygroups,
}, context_instance = template.RequestContext(request))
return redirect('nova_securitygroups', project_id)
@login_required
@handle_nova_error
def authorize(request, project_id, group_name):
project = get_project_or_404(request, project_id)
if request.method == 'POST':
form = forms.AuthorizeSecurityGroupRuleForm(request.POST)
if form.is_valid():
try:
project.authorize_security_group(
group_name = group_name,
ip_protocol = form.cleaned_data['protocol'],
from_port = form.cleaned_data['from_port'],
to_port = form.cleaned_data['to_port'])
except exceptions.NovaApiError, e:
messages.error(request,
'Unable to authorize: %s' % e.message)
else:
messages.success(
request,
'Security Group %s: Access to %s ports %d - %d'
' has been authorized.' %
(group_name,
form.cleaned_data['protocol'],
form.cleaned_data['from_port'],
form.cleaned_data['to_port']))
else:
securitygroup = project.get_security_group(group_name)
if not securitygroup:
raise http.Http404
return render_to_response('django_nova/securitygroups/detail.html', {
'authorize_form': form,
'project': project,
'securitygroup': securitygroup,
}, context_instance = template.RequestContext(request))
return redirect('nova_securitygroups_detail', project_id, group_name)
@login_required
@handle_nova_error
def revoke(request, project_id, group_name):
project = get_project_or_404(request, project_id)
if request.method == 'POST':
try:
project.revoke_security_group(
group_name = group_name,
ip_protocol = request.POST['protocol'],
from_port = request.POST['from_port'],
to_port = request.POST['to_port'])
except exceptions.NovaApiError, e:
messages.error(request, 'Unable to revoke: %s' % e.message)
else:
messages.success(
request,
'Security Group %s: Access to %s ports %s - %s '
'has been revoked.' %
(group_name,
request.POST['protocol'],
request.POST['from_port'],
request.POST['to_port']))
return redirect('nova_securitygroups_detail', project_id, group_name)
@login_required
@handle_nova_error
def delete(request, project_id, group_name):
project = get_project_or_404(request, project_id)
if request.method == 'POST':
try:
project.delete_security_group(name=group_name)
except exceptions.NovaApiError, e:
messages.error(
request,
'Unable to delete security group: %s' % e.message)
else:
messages.success(request,
'Security Group %s was successfully deleted.' %
group_name)
return redirect('nova_securitygroups', project_id)
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