264 lines
9.6 KiB
Python
264 lines
9.6 KiB
Python
# Copyright (c) 2012 OpenStack Foundation
|
|
# 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.
|
|
|
|
"""The hypervisors admin extension."""
|
|
|
|
import webob.exc
|
|
|
|
from nova.api.openstack import extensions
|
|
from nova.api.openstack import wsgi
|
|
from nova.api.openstack import xmlutil
|
|
from nova import compute
|
|
from nova import exception
|
|
|
|
|
|
authorize = extensions.extension_authorizer('compute', 'hypervisors')
|
|
|
|
|
|
def make_hypervisor(elem, detail):
|
|
elem.set('hypervisor_hostname')
|
|
elem.set('id')
|
|
if detail:
|
|
elem.set('vcpus')
|
|
elem.set('memory_mb')
|
|
elem.set('local_gb')
|
|
elem.set('vcpus_used')
|
|
elem.set('memory_mb_used')
|
|
elem.set('local_gb_used')
|
|
elem.set('hypervisor_type')
|
|
elem.set('hypervisor_version')
|
|
elem.set('free_ram_mb')
|
|
elem.set('free_disk_gb')
|
|
elem.set('current_workload')
|
|
elem.set('running_vms')
|
|
elem.set('cpu_info')
|
|
elem.set('disk_available_least')
|
|
|
|
service = xmlutil.SubTemplateElement(elem, 'service',
|
|
selector='service')
|
|
service.set('id')
|
|
service.set('host')
|
|
|
|
|
|
class HypervisorIndexTemplate(xmlutil.TemplateBuilder):
|
|
def construct(self):
|
|
root = xmlutil.TemplateElement('hypervisors')
|
|
elem = xmlutil.SubTemplateElement(root, 'hypervisor',
|
|
selector='hypervisors')
|
|
make_hypervisor(elem, False)
|
|
return xmlutil.MasterTemplate(root, 1)
|
|
|
|
|
|
class HypervisorDetailTemplate(xmlutil.TemplateBuilder):
|
|
def construct(self):
|
|
root = xmlutil.TemplateElement('hypervisors')
|
|
elem = xmlutil.SubTemplateElement(root, 'hypervisor',
|
|
selector='hypervisors')
|
|
make_hypervisor(elem, True)
|
|
return xmlutil.MasterTemplate(root, 1)
|
|
|
|
|
|
class HypervisorTemplate(xmlutil.TemplateBuilder):
|
|
def construct(self):
|
|
root = xmlutil.TemplateElement('hypervisor', selector='hypervisor')
|
|
make_hypervisor(root, True)
|
|
return xmlutil.MasterTemplate(root, 1)
|
|
|
|
|
|
class HypervisorUptimeTemplate(xmlutil.TemplateBuilder):
|
|
def construct(self):
|
|
root = xmlutil.TemplateElement('hypervisor', selector='hypervisor')
|
|
make_hypervisor(root, False)
|
|
root.set('uptime')
|
|
return xmlutil.MasterTemplate(root, 1)
|
|
|
|
|
|
class HypervisorServersTemplate(xmlutil.TemplateBuilder):
|
|
def construct(self):
|
|
root = xmlutil.TemplateElement('hypervisors')
|
|
elem = xmlutil.SubTemplateElement(root, 'hypervisor',
|
|
selector='hypervisors')
|
|
make_hypervisor(elem, False)
|
|
|
|
servers = xmlutil.SubTemplateElement(elem, 'servers')
|
|
server = xmlutil.SubTemplateElement(servers, 'server',
|
|
selector='servers')
|
|
server.set('name')
|
|
server.set('uuid')
|
|
|
|
return xmlutil.MasterTemplate(root, 1)
|
|
|
|
|
|
class HypervisorStatisticsTemplate(xmlutil.TemplateBuilder):
|
|
def construct(self):
|
|
root = xmlutil.TemplateElement('hypervisor_statistics',
|
|
selector='hypervisor_statistics')
|
|
root.set('count')
|
|
root.set('vcpus')
|
|
root.set('memory_mb')
|
|
root.set('local_gb')
|
|
root.set('vcpus_used')
|
|
root.set('memory_mb_used')
|
|
root.set('local_gb_used')
|
|
root.set('free_ram_mb')
|
|
root.set('free_disk_gb')
|
|
root.set('current_workload')
|
|
root.set('running_vms')
|
|
root.set('disk_available_least')
|
|
|
|
return xmlutil.MasterTemplate(root, 1)
|
|
|
|
|
|
class HypervisorsController(object):
|
|
"""The Hypervisors API controller for the OpenStack API."""
|
|
|
|
def __init__(self):
|
|
self.host_api = compute.HostAPI()
|
|
super(HypervisorsController, self).__init__()
|
|
|
|
def _view_hypervisor(self, hypervisor, detail, servers=None, **kwargs):
|
|
hyp_dict = {
|
|
'id': hypervisor['id'],
|
|
'hypervisor_hostname': hypervisor['hypervisor_hostname'],
|
|
}
|
|
|
|
if detail and not servers:
|
|
for field in ('vcpus', 'memory_mb', 'local_gb', 'vcpus_used',
|
|
'memory_mb_used', 'local_gb_used',
|
|
'hypervisor_type', 'hypervisor_version',
|
|
'free_ram_mb', 'free_disk_gb', 'current_workload',
|
|
'running_vms', 'cpu_info', 'disk_available_least'):
|
|
hyp_dict[field] = hypervisor[field]
|
|
|
|
hyp_dict['service'] = {
|
|
'id': hypervisor['service_id'],
|
|
'host': hypervisor['service']['host'],
|
|
}
|
|
|
|
if servers:
|
|
hyp_dict['servers'] = [dict(name=serv['name'], uuid=serv['uuid'])
|
|
for serv in servers]
|
|
|
|
# Add any additional info
|
|
if kwargs:
|
|
hyp_dict.update(kwargs)
|
|
|
|
return hyp_dict
|
|
|
|
@wsgi.serializers(xml=HypervisorIndexTemplate)
|
|
def index(self, req):
|
|
context = req.environ['nova.context']
|
|
authorize(context)
|
|
compute_nodes = self.host_api.compute_node_get_all(context)
|
|
return dict(hypervisors=[self._view_hypervisor(hyp, False)
|
|
for hyp in compute_nodes])
|
|
|
|
@wsgi.serializers(xml=HypervisorDetailTemplate)
|
|
def detail(self, req):
|
|
context = req.environ['nova.context']
|
|
authorize(context)
|
|
compute_nodes = self.host_api.compute_node_get_all(context)
|
|
return dict(hypervisors=[self._view_hypervisor(hyp, True)
|
|
for hyp in compute_nodes])
|
|
|
|
@wsgi.serializers(xml=HypervisorTemplate)
|
|
def show(self, req, id):
|
|
context = req.environ['nova.context']
|
|
authorize(context)
|
|
try:
|
|
hyp = self.host_api.compute_node_get(context, id)
|
|
except (ValueError, exception.ComputeHostNotFound):
|
|
msg = _("Hypervisor with ID '%s' could not be found.") % id
|
|
raise webob.exc.HTTPNotFound(explanation=msg)
|
|
return dict(hypervisor=self._view_hypervisor(hyp, True))
|
|
|
|
@wsgi.serializers(xml=HypervisorUptimeTemplate)
|
|
def uptime(self, req, id):
|
|
context = req.environ['nova.context']
|
|
authorize(context)
|
|
try:
|
|
hyp = self.host_api.compute_node_get(context, id)
|
|
except (ValueError, exception.ComputeHostNotFound):
|
|
msg = _("Hypervisor with ID '%s' could not be found.") % id
|
|
raise webob.exc.HTTPNotFound(explanation=msg)
|
|
|
|
# Get the uptime
|
|
try:
|
|
host = hyp['service']['host']
|
|
uptime = self.host_api.get_host_uptime(context, host)
|
|
except NotImplementedError:
|
|
msg = _("Virt driver does not implement uptime function.")
|
|
raise webob.exc.HTTPNotImplemented(explanation=msg)
|
|
|
|
return dict(hypervisor=self._view_hypervisor(hyp, False,
|
|
uptime=uptime))
|
|
|
|
@wsgi.serializers(xml=HypervisorIndexTemplate)
|
|
def search(self, req, id):
|
|
context = req.environ['nova.context']
|
|
authorize(context)
|
|
hypervisors = self.host_api.compute_node_search_by_hypervisor(
|
|
context, id)
|
|
if hypervisors:
|
|
return dict(hypervisors=[self._view_hypervisor(hyp, False)
|
|
for hyp in hypervisors])
|
|
else:
|
|
msg = _("No hypervisor matching '%s' could be found.") % id
|
|
raise webob.exc.HTTPNotFound(explanation=msg)
|
|
|
|
@wsgi.serializers(xml=HypervisorServersTemplate)
|
|
def servers(self, req, id):
|
|
context = req.environ['nova.context']
|
|
authorize(context)
|
|
compute_nodes = self.host_api.compute_node_search_by_hypervisor(
|
|
context, id)
|
|
if not compute_nodes:
|
|
msg = _("No hypervisor matching '%s' could be found.") % id
|
|
raise webob.exc.HTTPNotFound(explanation=msg)
|
|
hypervisors = []
|
|
for compute_node in compute_nodes:
|
|
instances = self.host_api.instance_get_all_by_host(context,
|
|
compute_node['service']['host'])
|
|
hyp = self._view_hypervisor(compute_node, False, instances)
|
|
hypervisors.append(hyp)
|
|
return dict(hypervisors=hypervisors)
|
|
|
|
@wsgi.serializers(xml=HypervisorStatisticsTemplate)
|
|
def statistics(self, req):
|
|
context = req.environ['nova.context']
|
|
authorize(context)
|
|
stats = self.host_api.compute_node_statistics(context)
|
|
return dict(hypervisor_statistics=stats)
|
|
|
|
|
|
class Hypervisors(extensions.ExtensionDescriptor):
|
|
"""Admin-only hypervisor administration."""
|
|
|
|
name = "Hypervisors"
|
|
alias = "os-hypervisors"
|
|
namespace = "http://docs.openstack.org/compute/ext/hypervisors/api/v1.1"
|
|
updated = "2012-06-21T00:00:00+00:00"
|
|
|
|
def get_resources(self):
|
|
resources = [extensions.ResourceExtension('os-hypervisors',
|
|
HypervisorsController(),
|
|
collection_actions={'detail': 'GET',
|
|
'statistics': 'GET'},
|
|
member_actions={'uptime': 'GET',
|
|
'search': 'GET',
|
|
'servers': 'GET'})]
|
|
|
|
return resources
|