182 lines
7.3 KiB
Python

# 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.
"""
Views for managing Nova floating ips.
"""
import logging
from django import template
from django.contrib import messages
from django.contrib.auth.decorators import login_required
from django import shortcuts
from django.utils.translation import ugettext as _
from django_openstack import api
from django_openstack import forms
from novaclient import exceptions as novaclient_exceptions
LOG = logging.getLogger('django_openstack.dash.views.floating_ip')
class ReleaseFloatingIp(forms.SelfHandlingForm):
floating_ip_id = forms.CharField(widget=forms.HiddenInput())
def handle(self, request, data):
try:
LOG.info('Releasing Floating IP "%s"' % data['floating_ip_id'])
api.tenant_floating_ip_release(request, data['floating_ip_id'])
messages.info(request, _('Successfully released Floating IP: %s')
% data['floating_ip_id'])
except novaclient_exceptions.ClientException, e:
LOG.exception("ClientException in ReleaseFloatingIp")
messages.error(request, _('Error releasing Floating IP '
'from tenant: %s') % e.message)
return shortcuts.redirect(request.build_absolute_uri())
class FloatingIpAssociate(forms.SelfHandlingForm):
floating_ip_id = forms.CharField(widget=forms.HiddenInput())
floating_ip = forms.CharField(widget=forms.TextInput(
attrs={'readonly': 'readonly'}))
instance_id = forms.ChoiceField()
def __init__(self, *args, **kwargs):
super(FloatingIpAssociate, self).__init__(*args, **kwargs)
instancelist = kwargs.get('initial', {}).get('instances', [])
self.fields['instance_id'] = forms.ChoiceField(
choices=instancelist,
label=_("Instance"))
def handle(self, request, data):
try:
api.server_add_floating_ip(request,
data['instance_id'],
data['floating_ip_id'])
LOG.info('Associating Floating IP "%s" with Instance "%s"'
% (data['floating_ip'], data['instance_id']))
messages.info(request, _('Successfully associated Floating IP: \
%(ip)s with Instance: %(inst)s'
% {"ip": data['floating_ip'],
"inst": data['instance_id']}))
except novaclient_exceptions.ClientException, e:
LOG.exception("ClientException in FloatingIpAssociate")
messages.error(request, _('Error associating Floating IP: %s')
% e.message)
return shortcuts.redirect('dash_floating_ips', request.user.tenant_id)
class FloatingIpDisassociate(forms.SelfHandlingForm):
floating_ip_id = forms.CharField(widget=forms.HiddenInput())
def handle(self, request, data):
try:
fip = api.tenant_floating_ip_get(request, data['floating_ip_id'])
api.server_remove_floating_ip(request, fip.instance_id, fip.id)
LOG.info('Disassociating Floating IP "%s"'
% data['floating_ip_id'])
messages.info(request,
_('Successfully disassociated Floating IP: %s')
% data['floating_ip_id'])
except novaclient_exceptions.ClientException, e:
LOG.exception("ClientException in FloatingIpAssociate")
messages.error(request, _('Error disassociating Floating IP: %s')
% e.message)
return shortcuts.redirect('dash_floating_ips', request.user.tenant_id)
class FloatingIpAllocate(forms.SelfHandlingForm):
tenant_id = forms.CharField(widget=forms.HiddenInput())
def handle(self, request, data):
try:
fip = api.tenant_floating_ip_allocate(request)
LOG.info('Allocating Floating IP "%s" to tenant "%s"'
% (fip.ip, data['tenant_id']))
messages.success(request,
_('Successfully allocated Floating IP "%(ip)s"\
to tenant "%(tenant)s"')
% {"ip": fip.ip, "tenant": data['tenant_id']})
except novaclient_exceptions.ClientException, e:
LOG.exception("ClientException in FloatingIpAllocate")
messages.error(request, _('Error allocating Floating IP "%(ip)s"\
to tenant "%(tenant)s": %(msg)s') %
{"ip": fip.ip, "tenant": data['tenant_id'], "msg": e.message})
return shortcuts.redirect('dash_floating_ips', request.user.tenant_id)
@login_required
def index(request, tenant_id):
for f in (ReleaseFloatingIp, FloatingIpDisassociate, FloatingIpAllocate):
_unused, handled = f.maybe_handle(request)
if handled:
return handled
try:
floating_ips = api.tenant_floating_ip_list(request)
except novaclient_exceptions.ClientException, e:
floating_ips = []
LOG.exception("ClientException in floating ip index")
messages.error(request,
_('Error fetching floating ips: %s') % e.message)
return shortcuts.render_to_response(
'django_openstack/dash/floating_ips/index.html', {
'allocate_form': FloatingIpAllocate(
initial={'tenant_id': request.user.tenant_id}),
'disassociate_form': FloatingIpDisassociate(),
'floating_ips': floating_ips,
'release_form': ReleaseFloatingIp(),
}, context_instance=template.RequestContext(request))
@login_required
def associate(request, tenant_id, ip_id):
instancelist = [(server.id, 'id: %s, name: %s' %
(server.id, server.name))
for server in api.server_list(request)]
form, handled = FloatingIpAssociate().maybe_handle(request, initial={
'floating_ip_id': ip_id,
'floating_ip': api.tenant_floating_ip_get(request, ip_id).ip,
'instances': instancelist})
if handled:
return handled
return shortcuts.render_to_response(
'django_openstack/dash/floating_ips/associate.html', {
'associate_form': form,
}, context_instance=template.RequestContext(request))
@login_required
def disassociate(request, tenant_id, ip_id):
form, handled = FloatingIpDisassociate().maybe_handle(request)
if handled:
return handled
return shortcuts.render_to_response(
'django_openstack/dash/floating_ips/associate.html', {
}, context_instance=template.RequestContext(request))