def test_resize_instance_with_disk_config_disabled(self):
self.resize_called = False
def resize_mock(*args, **kwargs):
self.assertNotIn('os-disk-config:disk_config', kwargs)
self.assertNotIn('auto_disk_config', kwargs)
self.resize_called = True
self.stubs.Set(compute_api.API, 'resize', resize_mock)
image_uuid = '76fa36fc-c930-4bf3-8c8a-ea2a2420deb6'
image_href = 'http://localhost/v3/os-images/%s' % image_uuid
body = {
'resize': {
"flavor_ref": "2",
'os-disk-config:disk_config': 'MANUAL',
},
}
req = fakes.HTTPRequestV3.blank(
'/v3/servers/%s/action' % AUTO_INSTANCE_UUID)
req.method = 'POST'
req.body = jsonutils.dumps(body)
req.headers["content-type"] = "application/json"
req.body = jsonutils.dumps(body)
self.no_disk_config_controller._action_resize(
req,
AUTO_INSTANCE_UUID,
body)
self.assertTrue(self.resize_called)
def test_rebuild_instance_with_disk_config_disabled(self):
info = dict(image_href_in_call=None)
def rebuild(self2, context, instance, image_href, *args, **kwargs):
self.assertNotIn('os-disk-config:disk_config', kwargs)
self.assertNotIn('auto_disk_config', kwargs)
info['image_href_in_call'] = image_href
self.stubs.Set(compute_api.API, 'rebuild', rebuild)
image_uuid = '76fa36fc-c930-4bf3-8c8a-ea2a2420deb6'
body = {
'rebuild': {
'image_ref': image_uuid,
'os-disk-config:disk_config': 'MANUAL',
},
}
req = fakes.HTTPRequestV3.blank(
'/v3/servers/%s/action' % AUTO_INSTANCE_UUID)
req.method = 'POST'
req.body = jsonutils.dumps(body)
req.headers["content-type"] = "application/json"
req.body = jsonutils.dumps(body)
res = self.no_disk_config_controller._action_rebuild(
req,
AUTO_INSTANCE_UUID,
body).obj
self.assertEqual(info['image_href_in_call'], image_uuid)
def test_invalid_metadata_items_on_update_item(self):
self.stubs.Set(nova.db, 'instance_metadata_update',
return_create_instance_metadata)
data = {"metadata": {}}
for num in range(FLAGS.quota_metadata_items + 1):
data['metadata']['key%i' % num] = "blah"
req = fakes.HTTPRequest.blank(self.url)
req.method = 'PUT'
req.body = jsonutils.dumps(data)
req.headers["content-type"] = "application/json"
#test for long key
data = {"metadata": {"a" * 260: "value1"}}
req.body = jsonutils.dumps(data)
self.assertRaises(webob.exc.HTTPBadRequest,
self.controller.update_all, req, self.uuid, data)
#test for long value
data = {"metadata": {"key": "v" * 260}}
req.body = jsonutils.dumps(data)
self.assertRaises(webob.exc.HTTPBadRequest,
self.controller.update_all, req, self.uuid, data)
#test for empty key.
data = {"metadata": {"": "value1"}}
req.body = jsonutils.dumps(data)
self.assertRaises(webob.exc.HTTPBadRequest,
self.controller.update_all, req, self.uuid, data)
def test_create_server_detect_from_image(self):
"""If user doesn't pass in diskConfig for server, use image metadata
to specify AUTO or MANUAL.
"""
req = fakes.HTTPRequest.blank('/fake/servers')
req.method = 'POST'
req.content_type = 'application/json'
body = {'server': {
'name': 'server_test',
'imageRef': 'a440c04b-79fa-479c-bed1-0b816eaec379',
'flavorRef': '1',
}}
req.body = jsonutils.dumps(body)
res = req.get_response(self.app)
server_dict = jsonutils.loads(res.body)['server']
self.assertDiskConfig(server_dict, 'MANUAL')
req = fakes.HTTPRequest.blank('/fake/servers')
req.method = 'POST'
req.content_type = 'application/json'
body = {'server': {
'name': 'server_test',
'imageRef': '70a599e0-31e7-49b7-b260-868f441e862b',
'flavorRef': '1',
}}
req.body = jsonutils.dumps(body)
res = req.get_response(self.app)
server_dict = jsonutils.loads(res.body)['server']
self.assertDiskConfig(server_dict, 'AUTO')
def _update_available_resource(self, context, resources):
"""
We have already get the info needed from FusionCompute, so nothing
to do here.
:param context:
:param resources:
:return:
"""
resources['free_ram_mb'] = (resources['memory_mb'] -
resources['memory_mb_used'])
resources['free_disk_gb'] = (resources['local_gb'] -
resources['local_gb_used'])
resources['current_workload'] = 0
resources['pci_stats'] = jsonutils.dumps([])
metrics = self._get_host_metrics(context, self.nodename)
resources['metrics'] = jsonutils.dumps(metrics)
# Reset values for extended resources
self.ext_resources_handler.reset_resources(resources, self.driver)
self._report_final_resource_view(resources)
self._sync_compute_node(context, resources)
def authorize_console(self, context, token, console_type, host, port,
internal_access_path, instance_uuid):
token_dict = {'token': token,
'instance_uuid': instance_uuid,
'console_type': console_type,
'host': host,
'port': port,
'internal_access_path': internal_access_path,
'last_activity_at': time.time()}
data = jsonutils.dumps(token_dict)
# We need to log the warning message if the token is not cached
# successfully, because the failure will cause the console for
# instance to not be usable.
if not self.mc.set(token.encode('UTF-8'),
data, CONF.console_token_ttl):
LOG.warning(_LW("Token: %(token)s failed to save into memcached."),
{'token': token})
tokens = self._get_tokens_for_instance(instance_uuid)
# Remove the expired tokens from cache.
for tok in tokens:
token_str = self.mc.get(tok.encode('UTF-8'))
if not token_str:
tokens.remove(tok)
tokens.append(token)
if not self.mc.set(instance_uuid.encode('UTF-8'),
jsonutils.dumps(tokens)):
LOG.warning(_LW("Instance: %(instance_uuid)s failed to save "
"into memcached"),
{'instance_uuid': instance_uuid})
LOG.audit(_("Received Token: %(token)s, %(token_dict)s"),
{'token': token, 'token_dict': token_dict})
def _request(self, method, path, data=None, headers=None, **kwargs):
"""
send request msg
:param method:
:param path:
:param data:
:param headers:
:param kwargs:
:return:
"""
url = self._to_url(path)
if not data:
data = jsonutils.dumps({})
elif isinstance(data, dict) or isinstance(data, list):
data = jsonutils.dumps(data)
try:
data_for_log = copy.deepcopy(jsonutils.loads(data))
utils.drop_password_key(data_for_log)
LOG.debug(_('request: %s %s %s'), method, url,
jsonutils.dumps(data_for_log))
except Exception:
LOG.debug(_('request: %s %s'), method, url)
rsp = requests.request(method, url, data=data, headers=headers,
verify=False, **kwargs)
return rsp
def _update_usage_from_instance(self, resources, instance):
"""Update usage for a single instance."""
uuid = instance['uuid']
is_new_instance = uuid not in self.tracked_instances
is_deleted_instance = instance['vm_state'] == vm_states.DELETED
if is_new_instance:
self.tracked_instances[uuid] = obj_base.obj_to_primitive(instance)
sign = 1
if is_deleted_instance:
self.tracked_instances.pop(uuid)
sign = -1
self.stats.update_stats_for_instance(instance)
if self.pci_tracker:
self.pci_tracker.update_pci_for_instance(instance)
# if it's a new or deleted instance:
if is_new_instance or is_deleted_instance:
# new instance, update compute node resource usage:
self._update_usage(resources, instance, sign=sign)
resources['current_workload'] = self.stats.calculate_workload()
resources['stats'] = jsonutils.dumps(self.stats)
if self.pci_tracker:
resources['pci_stats'] = jsonutils.dumps(self.pci_tracker.stats)
else:
resources['pci_stats'] = jsonutils.dumps([])
def get_available_resource(self, nodename):
"""Retrieve resource information.
This method is called when nova-compute launches, and
as part of a periodic task that records the results in the DB.
:returns: dictionary describing resources
"""
host_stats = self.get_host_stats(refresh=True)
# Updating host information
dic = {'vcpus': host_stats["vcpus"],
'memory_mb': host_stats['host_memory_total'],
'local_gb': host_stats['disk_total'],
'vcpus_used': 0,
'memory_mb_used': host_stats['host_memory_total'] -
host_stats['host_memory_free'],
'local_gb_used': host_stats['disk_used'],
'hypervisor_type': host_stats['hypervisor_type'],
'hypervisor_version': host_stats['hypervisor_version'],
'hypervisor_hostname': host_stats['hypervisor_hostname'],
'cpu_info': jsonutils.dumps(host_stats['cpu_info']),
'supported_instances': jsonutils.dumps(
host_stats['supported_instances']),
}
return dic
def test_rebuild_instance_with_disk_config(self):
info = dict(image_href_in_call=None)
def rebuild(self2, context, instance, image_href, *args, **kwargs):
self.assertIn('auto_disk_config', kwargs)
self.assertFalse(kwargs['auto_disk_config'])
info['image_href_in_call'] = image_href
self.stubs.Set(compute_api.API, 'rebuild', rebuild)
image_uuid = '76fa36fc-c930-4bf3-8c8a-ea2a2420deb6'
image_href = 'http://localhost/v3/os-images/%s' % image_uuid
body = {
'rebuild': {
'image_ref': image_uuid,
'os-disk-config:disk_config': 'MANUAL',
},
}
req = fakes.HTTPRequestV3.blank(
'/v3/servers/%s/action' % AUTO_INSTANCE_UUID)
req.method = 'POST'
req.body = jsonutils.dumps(body)
req.headers["content-type"] = "application/json"
req.body = jsonutils.dumps(body)
res = req.get_response(self.app)
self.assertEqual(info['image_href_in_call'], image_uuid)
def _node_resource(self, node):
vcpus_used = 0
memory_mb_used = 0
local_gb_used = 0
vcpus = node['cpus']
memory_mb = node['memory_mb']
local_gb = node['local_gb']
if node['instance_uuid']:
vcpus_used = node['cpus']
memory_mb_used = node['memory_mb']
local_gb_used = node['local_gb']
dic = {'vcpus': vcpus,
'memory_mb': memory_mb,
'local_gb': local_gb,
'vcpus_used': vcpus_used,
'memory_mb_used': memory_mb_used,
'local_gb_used': local_gb_used,
'hypervisor_type': self.get_hypervisor_type(),
'hypervisor_version': self.get_hypervisor_version(),
'hypervisor_hostname': str(node['uuid']),
'cpu_info': 'baremetal cpu',
'supported_instances':
jsonutils.dumps(self.supported_instances),
'stats': jsonutils.dumps(self.extra_specs)
}
return dic
def test_snapshot_create_force(self):
snapshot = {"volume_id": 12,
"force": True,
"display_name": "Snapshot Test Name",
"display_description": "Snapshot Test Desc"}
body = dict(snapshot=snapshot)
req = webob.Request.blank('/v2/fake/os-snapshots')
req.method = 'POST'
req.body = jsonutils.dumps(body)
req.headers['content-type'] = 'application/json'
resp = req.get_response(self.app)
self.assertEqual(resp.status_int, 200)
resp_dict = jsonutils.loads(resp.body)
self.assertTrue('snapshot' in resp_dict)
self.assertEqual(resp_dict['snapshot']['displayName'],
snapshot['display_name'])
self.assertEqual(resp_dict['snapshot']['displayDescription'],
snapshot['display_description'])
# Test invalid force paramter
snapshot = {"volume_id": 12,
"force": '**&&^^%%$$##@@'}
body = dict(snapshot=snapshot)
req = webob.Request.blank('/v2/fake/os-snapshots')
req.method = 'POST'
req.body = jsonutils.dumps(body)
req.headers['content-type'] = 'application/json'
resp = req.get_response(self.app)
self.assertEqual(resp.status_int, 400)
def test_invalid_metadata_items_on_update_item(self):
self.stubs.Set(nova.db, 'instance_metadata_update',
return_create_instance_metadata)
self.stubs.Set(nova.db, 'instance_metadata_update',
return_create_instance_metadata)
data = {"metadata": {}}
for num in range(CONF.quota_metadata_items + 1):
data['metadata']['key%i' % num] = "blah"
req = self._get_request()
req.method = 'PUT'
req.body = jsonutils.dumps(data)
req.headers["content-type"] = "application/json"
# test for long key
data = {"metadata": {"a" * 260: "value1"}}
req.body = jsonutils.dumps(data)
self.assertRaises(self.validation_ex_large,
self.controller.update_all, req, self.uuid,
body=data)
# test for long value
data = {"metadata": {"key": "v" * 260}}
req.body = jsonutils.dumps(data)
self.assertRaises(self.validation_ex_large,
self.controller.update_all, req, self.uuid,
body=data)
# test for empty key.
data = {"metadata": {"": "value1"}}
req.body = jsonutils.dumps(data)
self.assertRaises(self.validation_ex,
self.controller.update_all, req, self.uuid,
body=data)
def host_call_plugin(self, _1, _2, plugin, method, _5):
if (plugin, method) == ("agent", "version"):
return as_json(returncode="0", message="1.0")
elif (plugin, method) == ("agent", "key_init"):
return as_json(returncode="D0", message="1")
elif (plugin, method) == ("agent", "password"):
return as_json(returncode="0", message="success")
elif (plugin, method) == ("agent", "resetnetwork"):
return as_json(returncode="0", message="success")
elif (plugin, method) == ("glance", "upload_vhd"):
return ""
elif (plugin, method) == ("kernel", "copy_vdi"):
return ""
elif (plugin, method) == ("kernel", "create_kernel_ramdisk"):
return ""
elif (plugin, method) == ("kernel", "remove_kernel_ramdisk"):
return ""
elif (plugin, method) == ("migration", "move_vhds_into_sr"):
return ""
elif (plugin, method) == ("migration", "transfer_vhd"):
return ""
elif (plugin, method) == ("xenhost", "host_data"):
return jsonutils.dumps({"host_memory": {"total": 10, "overhead": 20, "free": 30, "free-computed": 40}})
elif plugin == "xenhost" and method in ["host_reboot", "host_startup", "host_shutdown"]:
return jsonutils.dumps({"power_action": method[5:]})
elif (plugin, method) == ("xenhost", "set_host_enabled"):
enabled = "enabled" if _5.get("enabled") == "true" else "disabled"
return jsonutils.dumps({"status": enabled})
elif (plugin, method) == ("xenhost", "host_uptime"):
return jsonutils.dumps({"uptime": "fake uptime"})
else:
raise Exception("No simulation in host_call_plugin for %s,%s" % (plugin, method))
def get_available_resource(self, nodename):
(total_mem_mb,
free_mem_mb,
used_mem_mb) = self._get_host_memory_info()
(total_hdd_gb,
free_hdd_gb,
used_hdd_gb) = self._get_local_hdd_info_gb()
# Todo(alexpilotti): add CPU info
cpu_info = []
vcpus = utils.get_cpu_count()
dic = {'vcpus': vcpus,
'memory_mb': total_mem_mb,
'memory_mb_used': used_mem_mb,
'local_gb': total_hdd_gb,
'local_gb_used': used_hdd_gb,
'hypervisor_type': "vix",
'hypervisor_version': self._get_hypervisor_version(),
'hypervisor_hostname': platform.node(),
'vcpus_used': 0,
'cpu_info': jsonutils.dumps(cpu_info),
'supported_instances': jsonutils.dumps([('i686', 'vix', 'hvm'),
('x86_64', 'vix',
'hvm')])
}
return dic
def test_update_instance_with_disk_config(self):
self.update_called = False
def update(self2, update_dict):
self.assertIn("auto_disk_config", update_dict)
self.assertFalse(update_dict["auto_disk_config"])
self.update_called = True
def cache_db_instance(*arg, **kwargs):
pass
def save(self2, context, expected_task_state=None):
pass
self.stubs.Set(nova.objects.instance.Instance, "save", save)
self.stubs.Set(nova.api.openstack.wsgi.Request, "cache_db_instance", cache_db_instance)
self.stubs.Set(nova.objects.instance.Instance, "update", update)
image_uuid = "76fa36fc-c930-4bf3-8c8a-ea2a2420deb6"
image_href = "http://localhost/v3/os-images/%s" % image_uuid
body = {"server": {"name": "update_test", "os-disk-config:disk_config": "MANUAL"}}
req = fakes.HTTPRequestV3.blank("/v3/servers/%s" % AUTO_INSTANCE_UUID)
req.method = "PUT"
req.body = jsonutils.dumps(body)
req.headers["content-type"] = "application/json"
req.body = jsonutils.dumps(body)
res = req.get_response(self.app)
self.assertTrue(self.update_called)
def authorize_console(self, context, token, console_type, host, port,
internal_access_path, instance_uuid=None):
token_dict = {'token': token,
'instance_uuid': instance_uuid,
'console_type': console_type,
'host': host,
'port': port,
'internal_access_path': internal_access_path,
'last_activity_at': time.time()}
data = jsonutils.dumps(token_dict)
self.mc.set(token.encode('UTF-8'), data, CONF.console_token_ttl)
if instance_uuid is not None:
tokens = self._get_tokens_for_instance(instance_uuid)
# Remove the expired tokens from cache.
for tok in tokens:
token_str = self.mc.get(tok.encode('UTF-8'))
if not token_str:
tokens.remove(tok)
tokens.append(token)
self.mc.set(instance_uuid.encode('UTF-8'),
jsonutils.dumps(tokens))
LOG.audit(_("Received Token: %(token)s, %(token_dict)s"),
{'token': token, 'token_dict': token_dict})
def test_create_server_detect_from_image(self):
"""If user doesn't pass in diskConfig for server, use image metadata
to specify AUTO or MANUAL.
"""
req = fakes.HTTPRequestV3.blank("/v3/servers")
req.method = "POST"
req.content_type = "application/json"
body = {
"server": {"name": "server_test", "image_ref": "a440c04b-79fa-479c-bed1-0b816eaec379", "flavor_ref": "1"}
}
req.body = jsonutils.dumps(body)
res = req.get_response(self.app)
server_dict = jsonutils.loads(res.body)["server"]
self.assertDiskConfig(server_dict, "MANUAL")
req = fakes.HTTPRequestV3.blank("/v3/servers")
req.method = "POST"
req.content_type = "application/json"
body = {
"server": {"name": "server_test", "image_ref": "70a599e0-31e7-49b7-b260-868f441e862b", "flavor_ref": "1"}
}
req.body = jsonutils.dumps(body)
res = req.get_response(self.app)
server_dict = jsonutils.loads(res.body)["server"]
self.assertDiskConfig(server_dict, "AUTO")
def get_available_resource(self):
"""Retrieve resource info.
This method is called when nova-compute launches, and
as part of a periodic task.
:returns: dictionary describing resources
"""
LOG.debug(_("get_available_resource called"))
(total_mem_mb, free_mem_mb, used_mem_mb) = self._get_memory_info()
(total_hdd_gb, free_hdd_gb, used_hdd_gb) = self._get_local_hdd_info_gb()
cpu_info = self._get_cpu_info()
cpu_topology = cpu_info["topology"]
vcpus = cpu_topology["sockets"] * cpu_topology["cores"] * cpu_topology["threads"]
dic = {
"vcpus": vcpus,
"memory_mb": total_mem_mb,
"memory_mb_used": used_mem_mb,
"local_gb": total_hdd_gb,
"local_gb_used": used_hdd_gb,
"hypervisor_type": "hyperv",
"hypervisor_version": self._get_hypervisor_version(),
"hypervisor_hostname": platform.node(),
"vcpus_used": 0,
"cpu_info": jsonutils.dumps(cpu_info),
"supported_instances": jsonutils.dumps([("i686", "hyperv", "hvm"), ("x86_64", "hyperv", "hvm")]),
}
return dic
def _node_resource(self, node):
# TODO(deva): refactor this to match ironic node datastruct
vcpus_used = 0
memory_mb_used = 0
local_gb_used = 0
vcpus = int(node.properties.get('cpus', 0))
memory_mb = int(node.properties.get('memory_mb', 0))
local_gb = int(node.properties.get('local_gb', 0))
cpu_arch = str(node.properties.get('cpu_arch', 'NotFound'))
nodes_extra_specs = self.extra_specs
nodes_extra_specs['cpu_arch'] = cpu_arch
if node.instance_uuid:
vcpus_used = vcpus
memory_mb_used = memory_mb
local_gb_used = local_gb
dic = {'vcpus': vcpus,
'memory_mb': memory_mb,
'local_gb': local_gb,
'vcpus_used': vcpus_used,
'memory_mb_used': memory_mb_used,
'local_gb_used': local_gb_used,
'hypervisor_type': self.get_hypervisor_type(),
'hypervisor_version': self.get_hypervisor_version(),
'hypervisor_hostname': str(node.uuid),
'cpu_info': 'baremetal cpu',
'supported_instances': jsonutils.dumps(
_get_nodes_supported_instances(cpu_arch)),
'stats': jsonutils.dumps(nodes_extra_specs)
}
return dic
def update_available_resource(self, context):
"""Override in-memory calculations of compute node resource usage based
on data audited from the hypervisor layer.
Add in resource claims in progress to account for operations that have
declared a need for resources, but not necessarily retrieved them from
the hypervisor layer yet.
"""
LOG.audit(_("Auditing locally available compute resources"))
resources = self.driver.get_available_resource(self.nodename)
if not resources:
# The virt driver does not support this function
LOG.audit(_("Virt driver does not support " "'get_available_resource' Compute tracking is disabled."))
self.compute_node = None
return
resources["host_ip"] = CONF.my_ip
self._verify_resources(resources)
self._report_hypervisor_resource_view(resources)
if "pci_passthrough_devices" in resources:
if not self.pci_tracker:
self.pci_tracker = pci_manager.PciDevTracker()
self.pci_tracker.set_hvdevs(jsonutils.loads(resources.pop("pci_passthrough_devices")))
# Grab all instances assigned to this node:
instances = objects.InstanceList.get_by_host_and_node(context, self.host, self.nodename)
# Now calculate usage based on instance utilization:
self._update_usage_from_instances(resources, instances)
# Grab all in-progress migrations:
capi = self.conductor_api
migrations = capi.migration_get_in_progress_by_host_and_node(context, self.host, self.nodename)
self._update_usage_from_migrations(context, resources, migrations)
# Detect and account for orphaned instances that may exist on the
# hypervisor, but are not in the DB:
orphans = self._find_orphaned_instances()
self._update_usage_from_orphans(resources, orphans)
# NOTE(yjiang5): Because pci device tracker status is not cleared in
# this periodic task, and also because the resource tracker is not
# notified when instances are deleted, we need remove all usages
# from deleted instances.
if self.pci_tracker:
self.pci_tracker.clean_usage(instances, migrations, orphans)
resources["pci_stats"] = jsonutils.dumps(self.pci_tracker.stats)
else:
resources["pci_stats"] = jsonutils.dumps([])
self._report_final_resource_view(resources)
metrics = self._get_host_metrics(context, self.nodename)
resources["metrics"] = jsonutils.dumps(metrics)
self._sync_compute_node(context, resources)
def _update_usage_from_migration(self, context, instance, image_meta, resources, migration):
"""Update usage for a single migration. The record may
represent an incoming or outbound migration.
"""
uuid = migration["instance_uuid"]
LOG.audit(_("Updating from migration %s") % uuid)
incoming = migration["dest_compute"] == self.host and migration["dest_node"] == self.nodename
outbound = migration["source_compute"] == self.host and migration["source_node"] == self.nodename
same_node = incoming and outbound
instance = objects.Instance.get_by_uuid(context, uuid, expected_attrs=["system_metadata"])
record = self.tracked_instances.get(uuid, None)
itype = None
numa_topology = None
core_bind = None
if same_node:
# same node resize. record usage for whichever instance type the
# instance is *not* in:
if instance["instance_type_id"] == migration["old_instance_type_id"]:
itype = self._get_instance_type(context, instance, "new_", migration["new_instance_type_id"])
numa_topology = instance["system_metadata"].get("new_numa_topo")
else:
# instance record already has new flavor, hold space for a
# possible revert to the old instance type:
itype = self._get_instance_type(context, instance, "old_", migration["old_instance_type_id"])
numa_topology = instance["system_metadata"].get("old_numa_topo")
elif incoming and not record:
# instance has not yet migrated here:
itype = self._get_instance_type(context, instance, "new_", migration["new_instance_type_id"])
numa_topology = instance["system_metadata"].get("new_numa_topo")
elif outbound and not record:
# instance migrated, but record usage for a possible revert:
itype = self._get_instance_type(context, instance, "old_", migration["old_instance_type_id"])
numa_topology = instance["system_metadata"].get("old_numa_topo")
if image_meta is None:
image_meta = utils.get_image_from_system_metadata(instance["system_metadata"])
if itype:
host_topology = resources.get("numa_topology")
if host_topology:
host_topology = objects.NUMATopology.obj_from_db_obj(host_topology)
if numa_topology:
numa_topology = jsonutils.loads(numa_topology)
usage = self._get_usage_dict(itype, numa_topology=numa_topology)
if self.pci_tracker:
if same_node or not outbound:
self.pci_tracker.update_pci_for_migration(context, instance)
self._update_usage(context, resources, usage)
if self.pci_tracker:
resources["pci_stats"] = jsonutils.dumps(self.pci_tracker.stats)
else:
resources["pci_stats"] = jsonutils.dumps([])
self.tracked_migrations[uuid] = (migration, itype)
def _update_usage_from_migration(self, context, instance, image_meta,
resources, migration):
"""Update usage for a single migration. The record may
represent an incoming or outbound migration.
"""
uuid = migration['instance_uuid']
LOG.audit(_("Updating from migration %s") % uuid)
incoming = (migration['dest_compute'] == self.host and
migration['dest_node'] == self.nodename)
outbound = (migration['source_compute'] == self.host and
migration['source_node'] == self.nodename)
same_node = (incoming and outbound)
record = self.tracked_instances.get(uuid, None)
itype = None
if same_node:
# same node resize. record usage for whichever instance type the
# instance is *not* in:
if (instance['instance_type_id'] ==
migration['old_instance_type_id']):
itype = self._get_instance_type(context, instance, 'new_',
migration['new_instance_type_id'])
else:
# instance record already has new flavor, hold space for a
# possible revert to the old instance type:
itype = self._get_instance_type(context, instance, 'old_',
migration['old_instance_type_id'])
elif incoming and not record:
# instance has not yet migrated here:
itype = self._get_instance_type(context, instance, 'new_',
migration['new_instance_type_id'])
elif outbound and not record:
# instance migrated, but record usage for a possible revert:
itype = self._get_instance_type(context, instance, 'old_',
migration['old_instance_type_id'])
if image_meta is None:
image_meta = utils.get_image_from_system_metadata(
instance['system_metadata'])
if itype:
numa_topology = (
hardware.VirtNUMAInstanceTopology.get_constraints(
itype, image_meta))
usage = self._get_usage_dict(
itype, numa_topology=numa_topology)
if self.pci_tracker:
self.pci_tracker.update_pci_for_migration(context, instance)
self._update_usage(context, resources, usage)
if self.pci_tracker:
resources['pci_stats'] = jsonutils.dumps(
self.pci_tracker.stats)
else:
resources['pci_stats'] = jsonutils.dumps([])
self.tracked_migrations[uuid] = (migration, itype)
def generate_data():
def _generate_stats(id_num):
stats = {}
i = 0
while i < CONF.num_stat:
key = 'key%d' % i
stats[key] = id_num + i
i = i + 1
return stats
print "Starting prepare data in DB"
ctx = context.get_admin_context()
for i in range(CONF.num_comp):
if i *100.0 % CONF.num_comp == 0:
sys.stdout.write("prepared %d%% data\r" % (i * 100.0 / CONF.num_comp))
sys.stdout.flush()
svc_values = {
'host': 'host-%d' % i,
'binary': 'novadbtest',
'topic': 'novadbtest',
'report_count': 0,
}
#created service record
service_ref = jsonutils.to_primitive(
db.service_get_by_host_and_topic(ctx,
svc_values['host'],
svc_values['topic']))
if not service_ref:
service_ref = jsonutils.to_primitive(
db.service_create(ctx, svc_values))
LOG.info('Service record created for id %d', service_ref['id'])
#create/update compute node record
comp_values = {
'service_id': service_ref['id'],
'vcpus': i,
'memory_mb': i,
'local_gb': i,
'vcpus_used': i,
'memory_mb_used': i,
'local_gb_used': i,
'hypervisor_type': 'qemu',
'hypervisor_version': 1,
'hypervisor_hostname': 'test',
'free_ram_mb': i,
'free_disk_gb': i,
'current_workload': i,
'running_vms': i,
'disk_available_least': i,
}
comp_values['cpu_info'] = jsonutils.dumps(_generate_stats(i))
if hasattr(ComputeNode, 'metrics'):
comp_values['metrics'] = jsonutils.dumps(_generate_stats(i))
if CONF.join_stats:
comp_values['stats'] = _generate_stats(i)
compute_ref = jsonutils.to_primitive(
db.compute_node_create(ctx, comp_values))
LOG.info('Compute node record created for id %d', compute_ref['id'])
print "Finish preparing data in DB"
def _update_available_resource(self, context, resources):
# initialise the compute node object, creating it
# if it does not already exist.
self._init_compute_node(context, resources)
# if we could not init the compute node the tracker will be
# disabled and we should quit now
if self.disabled:
return
if 'pci_passthrough_devices' in resources:
if not self.pci_tracker:
n_id = self.compute_node['id'] if self.compute_node else None
self.pci_tracker = pci_manager.PciDevTracker(context,
node_id=n_id)
self.pci_tracker.set_hvdevs(jsonutils.loads(resources.pop(
'pci_passthrough_devices')))
# Grab all instances assigned to this node:
instances = objects.InstanceList.get_by_host_and_node(
context, self.host, self.nodename,
expected_attrs=['system_metadata',
'numa_topology'])
# Now calculate usage based on instance utilization:
self._update_usage_from_instances(context, resources, instances)
# Grab all in-progress migrations:
capi = self.conductor_api
migrations = capi.migration_get_in_progress_by_host_and_node(context,
self.host, self.nodename)
self._update_usage_from_migrations(context, resources, migrations)
# Detect and account for orphaned instances that may exist on the
# hypervisor, but are not in the DB:
orphans = self._find_orphaned_instances()
self._update_usage_from_orphans(context, resources, orphans)
# NOTE(yjiang5): Because pci device tracker status is not cleared in
# this periodic task, and also because the resource tracker is not
# notified when instances are deleted, we need remove all usages
# from deleted instances.
if self.pci_tracker:
self.pci_tracker.clean_usage(instances, migrations, orphans)
resources['pci_stats'] = jsonutils.dumps(self.pci_tracker.stats)
else:
resources['pci_stats'] = jsonutils.dumps([])
self._report_final_resource_view(resources)
metrics = self._get_host_metrics(context, self.nodename)
resources['metrics'] = jsonutils.dumps(metrics)
self._update(context, resources)
LOG.info(_LI('Compute_service record updated for %(host)s:%(node)s'),
{'host': self.host, 'node': self.nodename})
def _update_available_resource(self, context, resources):
if 'pci_passthrough_devices' in resources:
if not self.pci_tracker:
self.compute_node = self._get_compute_node_ref(context)
node_id = (self.compute_node['id'] if self.compute_node else
None)
self.pci_tracker = pci_manager.HuaweiPciDevTracker(
ctxt=context, node_id=node_id)
self.pci_tracker.set_hvdevs(jsonutils.loads(resources.pop(
'pci_passthrough_devices')))
# In wmware clusters, the node name includes reserved char such
# as ( or ), we should escape it.
node_name = h_utils.regex_escape(self.nodename)
# Grab all instances assigned to this node:
instances = objects.InstanceList.get_by_host_and_node(
context, self.host, node_name,
expected_attrs=['system_metadata',
'numa_topology'])
# find instance that in live-migrating
func = self._find_isntances_to_host_in_livemig_by_db
for inst in func(context):
instances.objects.append(inst)
# Now calculate usage based on instance utilization:
self._update_usage_from_instances(context, resources, instances)
# Grab all in-progress migrations:
capi = self.conductor_api
migrations = capi.migration_get_in_progress_by_host_and_node(context,
self.host, self.nodename)
self._update_usage_from_migrations(context, resources, migrations)
# Detect and account for orphaned instances that may exist on the
# hypervisor, but are not in the DB:
orphans = self._find_orphaned_instances()
self._update_usage_from_orphans(context, resources, orphans)
# NOTE(): Because pci device tracker status is not cleared in
# this periodic task, and also because the resource tracker is not
# notified when instances are deleted, we need remove all usages
# from deleted instances.
if self.pci_tracker:
self.pci_tracker.clean_usage(instances, migrations, orphans)
resources['pci_stats'] = jsonutils.dumps(self.pci_tracker.stats)
else:
resources['pci_stats'] = jsonutils.dumps([])
self._report_final_resource_view(resources)
metrics = self._get_host_metrics(context, self.nodename)
resources['metrics'] = jsonutils.dumps(metrics)
self._sync_compute_node(context, resources)
def get_available_resource(self, nodename):
host_stats = self._get_host_stats(nodename)
return {'vcpus': host_stats['vcpus'], 'memory_mb': host_stats['host_memory_total'],
'local_gb': host_stats['disk_total'], 'vcpus_used': 0,
'memory_mb_used': host_stats['host_memory_total'] - host_stats['host_memory_free'],
'local_gb_used': host_stats['disk_used'], 'hypervisor_type': host_stats['hypervisor_type'],
'hypervisor_version': host_stats['hypervisor_version'],
'hypervisor_hostname': host_stats['hypervisor_hostname'],
'cpu_info': jsonutils.dumps(host_stats['cpu_info']),
'supported_instances': jsonutils.dumps(host_stats['supported_instances']), 'numa_topology': None, }
def test_get_by_instance_legacy(self):
fakesysmeta = {
"pci_requests": jsonutils.dumps([fake_legacy_pci_requests[0]]),
"new_pci_requests": jsonutils.dumps([fake_legacy_pci_requests[1]]),
}
instance = objects.Instance(uuid="fake-uuid", system_metadata=fakesysmeta)
requests = objects.InstancePCIRequests.get_by_instance(self.context, instance)
self.assertEqual(2, len(requests.requests))
self.assertEqual("alias_1", requests.requests[0].alias_name)
self.assertFalse(requests.requests[0].is_new)
self.assertEqual("alias_2", requests.requests[1].alias_name)
self.assertTrue(requests.requests[1].is_new)
def _update_usage_from_migration(self, context, instance, resources,
migration):
"""Update usage for a single migration. The record may
represent an incoming or outbound migration.
"""
uuid = migration['instance_uuid']
LOG.audit(_("Updating from migration %s") % uuid)
incoming = (migration['dest_compute'] == self.host and
migration['dest_node'] == self.nodename)
outbound = (migration['source_compute'] == self.host and
migration['source_node'] == self.nodename)
same_node = (incoming and outbound)
record = self.tracked_instances.get(uuid, None)
itype = None
if same_node:
# same node resize. record usage for whichever instance type the
# instance is *not* in:
if (instance['instance_type_id'] ==
migration['old_instance_type_id']):
itype = self._get_instance_type(context, instance, 'new_',
migration['new_instance_type_id'])
else:
# instance record already has new flavor, hold space for a
# possible revert to the old instance type:
itype = self._get_instance_type(context, instance, 'old_',
migration['old_instance_type_id'])
elif incoming and not record:
# instance has not yet migrated here:
itype = self._get_instance_type(context, instance, 'new_',
migration['new_instance_type_id'])
elif outbound and not record:
# instance migrated, but record usage for a possible revert:
itype = self._get_instance_type(context, instance, 'old_',
migration['old_instance_type_id'])
if itype:
self.stats.update_stats_for_migration(itype)
if self.pci_tracker:
self.pci_tracker.update_pci_for_migration(instance)
self._update_usage(resources, itype)
resources['stats'] = self.stats
if self.pci_tracker:
resources['pci_stats'] = jsonutils.dumps(
self.pci_tracker.stats)
else:
resources['pci_stats'] = jsonutils.dumps({})
self.tracked_migrations[uuid] = (migration, itype)
def __call__(self, target, creds, enforcer):
"""Check http: rules by calling to a remote server.
This example implementation simply verifies that the response
is exactly 'True'.
"""
url = ('http:' + self.match) % target
data = {'target': jsonutils.dumps(target),
'credentials': jsonutils.dumps(creds)}
post_data = urlparse.urlencode(data)
f = urlrequest.urlopen(url, post_data)
return f.read() == "True"
def test_instance_object_none_info_cache(self):
inst = fake_instance.fake_instance_obj('fake-context',
expected_attrs=['info_cache'])
self.assertIsNone(inst.info_cache)
result = compute_utils.get_nw_info_for_instance(inst)
self.assertEqual(jsonutils.dumps([]), result.json())
def serialize(self, data, content_type):
return jsonutils.dumps(data)
dict(id=1,
local_gb=10,
memory_mb=1024,
vcpus=1,
vcpus_used=0,
local_gb_used=0,
memory_mb_used=0,
updated_at=None,
cpu_info='baremetal cpu',
service=dict(host='host1', disabled=False),
hypervisor_hostname='node1uuid',
host_ip='127.0.0.1',
hypervisor_version=1,
hypervisor_type='ironic',
stats=jsonutils.dumps(
dict(ironic_driver="nova.virt.ironic.driver.IronicDriver",
cpu_arch='i386')),
supported_instances='[["i386", "baremetal", "baremetal"]]',
free_disk_gb=10,
free_ram_mb=1024),
dict(id=2,
local_gb=20,
memory_mb=2048,
vcpus=1,
vcpus_used=0,
local_gb_used=0,
memory_mb_used=0,
updated_at=None,
cpu_info='baremetal cpu',
service=dict(host='host2', disabled=True),
hypervisor_hostname='node2uuid',
def default(self, data):
return jsonutils.dumps(data)
def _prepare_handoff_dest(self,
end_point,
dest_token,
instance,
dest_vmname=None):
# information of current VM at source
if dest_vmname:
instance_name = dest_vmname
else:
instance_name = instance['display_name'] + "-handoff"
flavor_memory = instance['memory_mb']
flavor_cpu = instance['vcpus']
requested_basevm_id = instance['system_metadata'][
'image_base_sha256_uuid']
original_overlay_url = \
instance.get("metadata", dict()).get("overlay_url", None)
# find matching base VM
image_list = self._get_server_info(end_point, dest_token, "images")
basevm_uuid = None
for image_item in image_list:
properties = image_item.get("metadata", None)
if properties is None or len(properties) == 0:
continue
if properties.get(CloudletAPI.PROPERTY_KEY_CLOUDLET_TYPE) != \
CloudletAPI.IMAGE_TYPE_BASE_DISK:
continue
base_sha256_uuid = properties.get(
CloudletAPI.PROPERTY_KEY_BASE_UUID)
if base_sha256_uuid == requested_basevm_id:
basevm_uuid = image_item['id']
break
if basevm_uuid is None:
msg = "Cannot find matching Base VM with (%s) at (%s)" %\
(str(requested_basevm_id), end_point.netloc)
raise HandoffError(msg)
# Find matching flavor.
def find_matching_flavor(flavor_list, cpu_count, memory_mb):
for flavor in flavor_list:
vcpu = int(flavor['vcpus'])
ram_mb = int(flavor['ram'])
if vcpu == cpu_count and ram_mb == memory_mb:
flavor_ref = flavor['links'][0]['href']
flavor_id = flavor['id']
return flavor_ref, flavor_id
return None, None
flavor_list = self._get_server_info(end_point, dest_token, "flavors")
flavor_ref, flavor_id = find_matching_flavor(flavor_list, flavor_cpu,
flavor_memory)
if flavor_ref is None or flavor_id is None:
msg = "Cannot find matching flavor with cpu=%d, memory=%d at %s" %\
(flavor_cpu, flavor_memory, end_point.netloc)
raise HandoffError(msg)
# generate request
meta_data = {
"handoff_info": instance_name,
"overlay_url": original_overlay_url
}
s = {
"server": {
"name": instance_name,
"imageRef": str(basevm_uuid),
"flavorRef": flavor_id,
"metadata": meta_data,
"min_count": "1",
"max_count": "1",
"key_name": None,
}
}
params = jsonutils.dumps(s)
headers = {
"X-Auth-Token": dest_token,
"Content-type": "application/json"
}
conn = httplib.HTTPConnection(end_point[1])
conn.request("POST", "%s/servers" % end_point[2], params, headers)
LOG.info("request handoff to %s" % (end_point.netloc))
response = conn.getresponse()
data = response.read()
dd = jsonutils.loads(data)
conn.close()
return dd
def _inject_metadata_into_fs(metadata, fs):
LOG.debug(_("Inject metadata fs=%(fs)s metadata=%(metadata)s") % locals())
metadata = dict([(m['key'], m['value']) for m in metadata])
_inject_file_into_fs(fs, 'meta.js', jsonutils.dumps(metadata))
def _plugin_xenhost_set_host_enabled(self, method, args):
enabled = 'enabled' if args.get('enabled') == 'true' else 'disabled'
return jsonutils.dumps({"status": enabled})
def _set_pci_request(self, claim):
request = [{'count': 1,
'spec': [{'vendor_id': 'v', 'product_id': 'p'}],
}]
claim.instance.update(
system_metadata={'new_pci_requests': jsonutils.dumps(request)})
def json_comparator(self, expected, obj_val):
# json-ify an object field for comparison with its db str
#equivalent
self.assertEqual(expected, jsonutils.dumps(obj_val))
def _make_request(self, url, body):
req = webob.Request.blank('/v3' + url)
req.method = 'POST'
req.body = jsonutils.dumps(body)
req.content_type = 'application/json'
return req.get_response(self.app)
def _inject_metadata_into_fs(metadata, fs):
LOG.debug(_("Inject metadata fs=%(fs)s metadata=%(metadata)s"),
{'fs': fs, 'metadata': metadata})
_inject_file_into_fs(fs, 'meta.js', jsonutils.dumps(metadata))
def _encode_body(self, body):
return jsonutils.dumps(body)
def __call__(self, req):
request_id = context.generate_request_id()
signature = req.params.get('Signature')
if not signature:
msg = _("Signature not provided")
return faults.ec2_error_response(request_id,
"AuthFailure",
msg,
status=400)
access = req.params.get('AWSAccessKeyId')
if not access:
msg = _("Access key not provided")
return faults.ec2_error_response(request_id,
"AuthFailure",
msg,
status=400)
# Make a copy of args for authentication and signature verification.
auth_params = dict(req.params)
# Not part of authentication args
auth_params.pop('Signature')
cred_dict = {
'access': access,
'signature': signature,
'host': req.host,
'verb': req.method,
'path': req.path,
'params': auth_params,
}
if "ec2" in CONF.keystone_ec2_url:
creds = {'ec2Credentials': cred_dict}
else:
creds = {'auth': {'OS-KSEC2:ec2Credentials': cred_dict}}
creds_json = jsonutils.dumps(creds)
headers = {'Content-Type': 'application/json'}
o = urlparse.urlparse(CONF.keystone_ec2_url)
if o.scheme == "http":
conn = httplib.HTTPConnection(o.netloc)
else:
conn = httplib.HTTPSConnection(o.netloc)
conn.request('POST', o.path, body=creds_json, headers=headers)
response = conn.getresponse()
data = response.read()
if response.status != 200:
if response.status == 401:
msg = response.reason
else:
msg = _("Failure communicating with keystone")
return faults.ec2_error_response(request_id,
"AuthFailure",
msg,
status=response.status)
result = jsonutils.loads(data)
conn.close()
try:
token_id = result['access']['token']['id']
user_id = result['access']['user']['id']
project_id = result['access']['token']['tenant']['id']
user_name = result['access']['user'].get('name')
project_name = result['access']['token']['tenant'].get('name')
roles = [
role['name'] for role in result['access']['user']['roles']
]
except (AttributeError, KeyError) as e:
LOG.exception(_("Keystone failure: %s") % e)
msg = _("Failure communicating with keystone")
return faults.ec2_error_response(request_id,
"AuthFailure",
msg,
status=400)
remote_address = req.remote_addr
if CONF.use_forwarded_for:
remote_address = req.headers.get('X-Forwarded-For', remote_address)
catalog = result['access']['serviceCatalog']
ctxt = context.RequestContext(user_id,
project_id,
user_name=user_name,
project_name=project_name,
roles=roles,
auth_token=token_id,
remote_address=remote_address,
service_catalog=catalog)
req.environ['nova.context'] = ctxt
return self.application
def _node_resource(self, node):
"""Helper method to create resource dict from node stats."""
vcpus = int(node.properties.get('cpus', 0))
memory_mb = int(node.properties.get('memory_mb', 0))
local_gb = int(node.properties.get('local_gb', 0))
raw_cpu_arch = node.properties.get('cpu_arch', None)
try:
cpu_arch = arch.canonicalize(raw_cpu_arch)
except exception.InvalidArchitectureName:
cpu_arch = None
if not cpu_arch:
LOG.warn(_LW("cpu_arch not defined for node '%s'"), node.uuid)
nodes_extra_specs = {}
# NOTE(deva): In Havana and Icehouse, the flavor was required to link
# to an arch-specific deploy kernel and ramdisk pair, and so the flavor
# also had to have extra_specs['cpu_arch'], which was matched against
# the ironic node.properties['cpu_arch'].
# With Juno, the deploy image(s) may be referenced directly by the
# node.driver_info, and a flavor no longer needs to contain any of
# these three extra specs, though the cpu_arch may still be used
# in a heterogeneous environment, if so desired.
# NOTE(dprince): we use the raw cpu_arch here because extra_specs
# filters aren't canonicalized
nodes_extra_specs['cpu_arch'] = raw_cpu_arch
# NOTE(gilliard): To assist with more precise scheduling, if the
# node.properties contains a key 'capabilities', we expect the value
# to be of the form "k1:v1,k2:v2,etc.." which we add directly as
# key/value pairs into the node_extra_specs to be used by the
# ComputeCapabilitiesFilter
capabilities = node.properties.get('capabilities')
if capabilities:
for capability in str(capabilities).split(','):
parts = capability.split(':')
if len(parts) == 2 and parts[0] and parts[1]:
nodes_extra_specs[parts[0]] = parts[1]
else:
LOG.warn(
_LW("Ignoring malformed capability '%s'. "
"Format should be 'key:val'."), capability)
vcpus_used = 0
memory_mb_used = 0
local_gb_used = 0
if node.instance_uuid:
# Node has an instance, report all resource as unavailable
vcpus_used = vcpus
memory_mb_used = memory_mb
local_gb_used = local_gb
elif self._node_resources_unavailable(node):
# The node's current state is such that it should not present any
# of its resources to Nova
vcpus = 0
memory_mb = 0
local_gb = 0
dic = {
'node':
str(node.uuid),
'hypervisor_hostname':
str(node.uuid),
'hypervisor_type':
self._get_hypervisor_type(),
'hypervisor_version':
self._get_hypervisor_version(),
'cpu_info':
'baremetal cpu',
'vcpus':
vcpus,
'vcpus_used':
vcpus_used,
'local_gb':
local_gb,
'local_gb_used':
local_gb_used,
'disk_total':
local_gb,
'disk_used':
local_gb_used,
'disk_available':
local_gb - local_gb_used,
'memory_mb':
memory_mb,
'memory_mb_used':
memory_mb_used,
'host_memory_total':
memory_mb,
'host_memory_free':
memory_mb - memory_mb_used,
'supported_instances':
jsonutils.dumps(_get_nodes_supported_instances(cpu_arch)),
'stats':
jsonutils.dumps(nodes_extra_specs),
'host':
CONF.host,
}
dic.update(nodes_extra_specs)
return dic
def _plugin_poweraction(self, method, args):
return jsonutils.dumps({"power_action": method[5:]})
def _json_dumps(properties, attr):
prop = properties[attr]
if not isinstance(prop, six.string_types):
properties[attr] = jsonutils.dumps(prop)
def host_power_action(self, _host, action):
"""Reboots or shuts down the host."""
args = {"action": jsonutils.dumps(action)}
methods = {"reboot": "host_reboot", "shutdown": "host_shutdown"}
response = call_xenhost(self._session, methods[action], args)
return response.get("power_action", response)
def json(self):
return jsonutils.dumps(self)
def _inject_metadata_into_fs(metadata, fs):
metadata = dict([(m['key'], m['value']) for m in metadata])
_inject_file_into_fs(fs, 'meta.js', jsonutils.dumps(metadata))
def _json_dumps(properties, attr):
prop = properties[attr]
if not isinstance(prop, basestring):
properties[attr] = jsonutils.dumps(prop)
def _convert_connector_to_db_format(self, updates):
connector = updates.pop('connector', None)
if connector is not None:
updates['connector'] = jsonutils.dumps(connector)
def to_json(self):
return jsonutils.dumps(self._to_dict())
def _plugin_xenhost_host_uptime(self, method, args):
return jsonutils.dumps({"uptime": "fake uptime"})
def _get_create_request_json(self, body_dict):
req = webob.Request.blank('/v2/fake/os-create-server-ext')
req.headers['Content-Type'] = 'application/json'
req.method = 'POST'
req.body = jsonutils.dumps(body_dict)
return req
def _request_data(self, verb, path):
"""Get data describing a limit request verb/path."""
return jsonutils.dumps({"verb": verb, "path": path})
def __call__(self, req):
context = req.environ['nova.context']
request_id = context.request_id
api_request = req.environ['ec2.request']
result = None
try:
result = api_request.invoke(context)
except exception.InstanceNotFound as ex:
LOG.info(_('InstanceNotFound raised: %s'),
unicode(ex),
context=context)
ec2_id = ec2utils.id_to_ec2_inst_id(ex.kwargs['instance_id'])
message = ex.message % {'instance_id': ec2_id}
return ec2_error(req, request_id, type(ex).__name__, message)
except exception.VolumeNotFound as ex:
LOG.info(_('VolumeNotFound raised: %s'),
unicode(ex),
context=context)
ec2_id = ec2utils.id_to_ec2_vol_id(ex.kwargs['volume_id'])
message = ex.message % {'volume_id': ec2_id}
return ec2_error(req, request_id, type(ex).__name__, message)
except exception.SnapshotNotFound as ex:
LOG.info(_('SnapshotNotFound raised: %s'),
unicode(ex),
context=context)
ec2_id = ec2utils.id_to_ec2_snap_id(ex.kwargs['snapshot_id'])
message = ex.message % {'snapshot_id': ec2_id}
return ec2_error(req, request_id, type(ex).__name__, message)
except exception.NotFound as ex:
LOG.info(_('NotFound raised: %s'), unicode(ex), context=context)
return ec2_error(req, request_id, type(ex).__name__, unicode(ex))
except exception.EC2APIError as ex:
if ex.code:
return ec2_error(req, request_id, ex.code, unicode(ex))
else:
return ec2_error(req, request_id,
type(ex).__name__, unicode(ex))
except exception.KeyPairExists as ex:
LOG.debug(_('KeyPairExists raised: %s'),
unicode(ex),
context=context)
code = 'InvalidKeyPair.Duplicate'
return ec2_error(req, request_id, code, unicode(ex))
except exception.InvalidKeypair as ex:
LOG.debug(_('InvalidKeypair raised: %s'), unicode(ex), context)
code = 'InvalidKeyPair.Format'
return ec2_error(req, request_id, code, unicode(ex))
except exception.InvalidParameterValue as ex:
LOG.debug(_('InvalidParameterValue raised: %s'),
unicode(ex),
context=context)
return ec2_error(req, request_id, type(ex).__name__, unicode(ex))
except exception.InvalidPortRange as ex:
LOG.debug(_('InvalidPortRange raised: %s'),
unicode(ex),
context=context)
return ec2_error(req, request_id, type(ex).__name__, unicode(ex))
except exception.NotAuthorized as ex:
LOG.info(_('NotAuthorized raised: %s'),
unicode(ex),
context=context)
return ec2_error(req, request_id, type(ex).__name__, unicode(ex))
except exception.InvalidRequest as ex:
LOG.debug(_('InvalidRequest raised: %s'),
unicode(ex),
context=context)
return ec2_error(req, request_id, type(ex).__name__, unicode(ex))
except exception.QuotaError as ex:
LOG.debug(_('QuotaError raised: %s'), unicode(ex), context=context)
return ec2_error(req, request_id, type(ex).__name__, unicode(ex))
except exception.InvalidInstanceIDMalformed as ex:
LOG.debug(_('Invalid id: bogus (expecting "i-..."): %s'),
unicode(ex),
context=context)
return ec2_error(req, request_id, type(ex).__name__, unicode(ex))
except Exception as ex:
env = req.environ.copy()
for k in env.keys():
if not isinstance(env[k], basestring):
env.pop(k)
LOG.exception(_('Unexpected error raised: %s'), unicode(ex))
LOG.error(_('Environment: %s') % jsonutils.dumps(env))
return ec2_error(
req, request_id, 'UnknownError',
_('An unknown error has occurred. '
'Please try your request again.'))
else:
resp = webob.Response()
resp.status = 200
resp.headers['Content-Type'] = 'text/xml'
resp.body = str(result)
return resp
def _convert_stats_to_db_format(self, updates):
stats = updates.pop('stats', None)
if stats is not None:
updates['stats'] = jsonutils.dumps(stats)
def test_instance_dict_none_info_cache(self):
inst = fake_instance.fake_db_instance(info_cache=None)
self.assertIsNone(inst['info_cache'])
result = compute_utils.get_nw_info_for_instance(inst)
self.assertEqual(jsonutils.dumps([]), result.json())
def update_available_resource(self, context):
"""Override in-memory calculations of compute node resource usage based
on data audited from the hypervisor layer.
Add in resource claims in progress to account for operations that have
declared a need for resources, but not necessarily retrieved them from
the hypervisor layer yet.
"""
LOG.audit(_("Auditing locally available compute resources"))
resources = self.driver.get_available_resource(self.nodename)
if not resources:
# The virt driver does not support this function
LOG.audit(
_("Virt driver does not support "
"'get_available_resource' Compute tracking is disabled."))
self.compute_node = None
return
resources['host_ip'] = CONF.my_ip
self._verify_resources(resources)
self._report_hypervisor_resource_view(resources)
if 'pci_passthrough_devices' in resources:
if not self.pci_tracker:
self.pci_tracker = pci_manager.PciDevTracker()
self.pci_tracker.set_hvdevs(
jsonutils.loads(resources.pop('pci_passthrough_devices')))
# Grab all instances assigned to this node:
instances = instance_obj.InstanceList.get_by_host_and_node(
context, self.host, self.nodename)
# Now calculate usage based on instance utilization:
self._update_usage_from_instances(resources, instances)
# Grab all in-progress migrations:
capi = self.conductor_api
migrations = capi.migration_get_in_progress_by_host_and_node(
context, self.host, self.nodename)
self._update_usage_from_migrations(context, resources, migrations)
# Detect and account for orphaned instances that may exist on the
# hypervisor, but are not in the DB:
orphans = self._find_orphaned_instances()
self._update_usage_from_orphans(resources, orphans)
# NOTE(yjiang5): Because pci device tracker status is not cleared in
# this periodic task, and also because the resource tracker is not
# notified when instances are deleted, we need remove all usages
# from deleted instances.
if self.pci_tracker:
self.pci_tracker.clean_usage(instances, migrations, orphans)
resources['pci_stats'] = jsonutils.dumps(self.pci_tracker.stats)
else:
resources['pci_stats'] = jsonutils.dumps({})
self._report_final_resource_view(resources)
metrics = self._get_host_metrics(context, self.nodename)
resources['metrics'] = jsonutils.dumps(metrics)
self._sync_compute_node(context, resources)
