155 lines
5.3 KiB
Python
155 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 instances.
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"""
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import datetime
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import logging
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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_openstack import api
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from django_openstack import forms
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import openstack.compute.servers
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import openstackx.api.exceptions as api_exceptions
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LOG = logging.getLogger('django_openstack.dash')
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class TerminateInstance(forms.SelfHandlingForm):
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instance = forms.CharField(required=True)
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def handle(self, request, data):
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instance_id = data['instance']
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instance = api.compute_api(request).servers.get(instance_id)
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try:
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api.compute_api(request).servers.delete(instance)
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except api_exceptions.ApiException, e:
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messages.error(request,
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'Unable to terminate %s: %s' %
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(instance_id, e.message,))
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else:
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messages.success(request,
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'Instance %s has been terminated.' % instance_id)
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return redirect(request.build_absolute_uri())
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class RebootInstance(forms.SelfHandlingForm):
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instance = forms.CharField(required=True)
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def handle(self, request, data):
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instance_id = data['instance']
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try:
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server = api.compute_api(request).servers.get(instance_id)
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server.reboot(openstack.compute.servers.REBOOT_HARD)
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messages.success(request, "Instance rebooting")
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except api_exceptions.ApiException, e:
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messages.error(request,
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'Unable to reboot instance: %s' % e.message)
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return redirect(request.build_absolute_uri())
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@login_required
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def index(request, tenant_id):
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for f in (TerminateInstance, RebootInstance):
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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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instances = []
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try:
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image_dict = api.get_image_cache(request)
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instances = api.extras_api(request).servers.list()
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for instance in instances:
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# FIXME - ported this over, but it is hacky
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instance._info['attrs']['image_name'] =\
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image_dict.get(int(instance.attrs['image_id']),{}).get('name')
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except Exception as e:
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messages.error(request, 'Unable to get instance list: %s' % e.message)
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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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terminate_form = TerminateInstance()
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reboot_form = RebootInstance()
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return render_to_response('dash_instances.html', {
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'instances': instances,
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'terminate_form': terminate_form,
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'reboot_form': reboot_form,
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}, context_instance=template.RequestContext(request))
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@login_required
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def usage(request, tenant_id=None):
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today = datetime.date.today()
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date_start = datetime.date(today.year, today.month, 1)
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datetime_start = datetime.datetime.combine(date_start, datetime.time())
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datetime_end = datetime.datetime.utcnow()
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usage = {}
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if not tenant_id:
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tenant_id = request.user.tenant
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try:
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usage = api.extras_api(request).usage.get(tenant_id,
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datetime_start, datetime_end)
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except api_exceptions.ApiException, e:
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messages.error(request, 'Unable to get usage info: %s' % e.message)
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return render_to_response('dash_usage.html', {
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'usage': usage,
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}, context_instance=template.RequestContext(request))
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@login_required
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def console(request, tenant_id, instance_id):
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try:
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console = api.extras_api(request).consoles.create(instance_id)
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response = http.HttpResponse(mimetype='text/plain')
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response.write(console.output)
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response.flush()
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return response
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except api_exceptions.ApiException, e:
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messages.error(request,
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'Unable to get log for instance %s: %s' %
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(instance_id, e.message))
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return redirect('dash_instances', tenant_id)
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@login_required
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def vnc(request, tenant_id, instance_id):
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try:
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console = api.extras_api(request).consoles.create(instance_id, 'vnc')
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return redirect(console.output)
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except api_exceptions.ApiException, e:
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messages.error(request,
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'Unable to get vnc console for instance %s: %s' %
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(instance_id, e.message))
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return redirect('dash_instances', tenant_id)
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