horizon/openstack_dashboard/api/nova.py
wei.ying 940ff111a1 Add angular server group details page
This patch adds angular server group details page to show details of
the given server group, also shows the server group members under the
current server group.

Change-Id: I5b903972dd4fc5c9f1b52f97bdd7e0852d7d00d3
Partial-Implements: blueprint ng-server-groups
2018-03-18 22:42:43 +08:00

1086 lines
35 KiB
Python

# Copyright 2012 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# Copyright 2012 OpenStack Foundation
# Copyright 2012 Nebula, Inc.
# Copyright (c) 2012 X.commerce, a business unit of eBay 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.
from __future__ import absolute_import
import collections
import logging
from django.conf import settings
from django.utils.translation import ugettext_lazy as _
from novaclient import api_versions
from novaclient import client as nova_client
from novaclient import exceptions as nova_exceptions
from novaclient.v2 import instance_action as nova_instance_action
from novaclient.v2 import list_extensions as nova_list_extensions
from novaclient.v2 import servers as nova_servers
from horizon import exceptions as horizon_exceptions
from horizon.utils import functions as utils
from horizon.utils.memoized import memoized
from horizon.utils.memoized import memoized_with_request
from openstack_dashboard.api import base
from openstack_dashboard.api import microversions
from openstack_dashboard.contrib.developer.profiler import api as profiler
LOG = logging.getLogger(__name__)
# Supported compute versions
VERSIONS = base.APIVersionManager("compute", preferred_version=2)
VERSIONS.load_supported_version(1.1, {"client": nova_client, "version": 1.1})
VERSIONS.load_supported_version(2, {"client": nova_client, "version": 2})
# API static values
INSTANCE_ACTIVE_STATE = 'ACTIVE'
VOLUME_STATE_AVAILABLE = "available"
DEFAULT_QUOTA_NAME = 'default'
INSECURE = getattr(settings, 'OPENSTACK_SSL_NO_VERIFY', False)
CACERT = getattr(settings, 'OPENSTACK_SSL_CACERT', None)
@memoized
def get_microversion(request, features):
client = novaclient(request)
min_ver, max_ver = api_versions._get_server_version_range(client)
return (microversions.get_microversion_for_features(
'nova', features, api_versions.APIVersion, min_ver, max_ver))
def is_feature_available(request, features):
return bool(get_microversion(request, features))
class VNCConsole(base.APIDictWrapper):
"""Wrapper for the "console" dictionary.
Returned by the novaclient.servers.get_vnc_console method.
"""
_attrs = ['url', 'type']
class SPICEConsole(base.APIDictWrapper):
"""Wrapper for the "console" dictionary.
Returned by the novaclient.servers.get_spice_console method.
"""
_attrs = ['url', 'type']
class RDPConsole(base.APIDictWrapper):
"""Wrapper for the "console" dictionary.
Returned by the novaclient.servers.get_rdp_console method.
"""
_attrs = ['url', 'type']
class SerialConsole(base.APIDictWrapper):
"""Wrapper for the "console" dictionary.
Returned by the novaclient.servers.get_serial_console method.
"""
_attrs = ['url', 'type']
class MKSConsole(base.APIDictWrapper):
"""Wrapper for the "console" dictionary.
Returned by the novaclient.servers.get_mks_console method.
"""
_attrs = ['url', 'type']
class Server(base.APIResourceWrapper):
"""Simple wrapper around novaclient.server.Server.
Preserves the request info so image name can later be retrieved.
"""
_attrs = ['addresses', 'attrs', 'id', 'image', 'links', 'description',
'metadata', 'name', 'private_ip', 'public_ip', 'status', 'uuid',
'image_name', 'VirtualInterfaces', 'flavor', 'key_name', 'fault',
'tenant_id', 'user_id', 'created', 'locked',
'OS-EXT-STS:power_state', 'OS-EXT-STS:task_state',
'OS-EXT-SRV-ATTR:instance_name', 'OS-EXT-SRV-ATTR:host',
'OS-EXT-AZ:availability_zone', 'OS-DCF:diskConfig']
def __init__(self, apiresource, request):
super(Server, self).__init__(apiresource)
self.request = request
# TODO(gabriel): deprecate making a call to Glance as a fallback.
@property
def image_name(self):
import glanceclient.exc as glance_exceptions
from openstack_dashboard.api import glance
if not self.image:
return None
elif hasattr(self.image, 'name'):
return self.image.name
elif 'name' in self.image:
return self.image['name']
else:
try:
image = glance.image_get(self.request, self.image['id'])
self.image['name'] = image.name
return image.name
except (glance_exceptions.ClientException,
horizon_exceptions.ServiceCatalogException):
self.image['name'] = None
return None
@property
def internal_name(self):
return getattr(self, 'OS-EXT-SRV-ATTR:instance_name', "")
@property
def availability_zone(self):
return getattr(self, 'OS-EXT-AZ:availability_zone', "")
@property
def host_server(self):
return getattr(self, 'OS-EXT-SRV-ATTR:host', '')
class Hypervisor(base.APIDictWrapper):
"""Simple wrapper around novaclient.hypervisors.Hypervisor."""
_attrs = ['manager', '_loaded', '_info', 'hypervisor_hostname', 'id',
'servers']
@property
def servers(self):
# if hypervisor doesn't have servers, the attribute is not present
servers = []
try:
servers = self._apidict.servers
except Exception:
pass
return servers
class NovaUsage(base.APIResourceWrapper):
"""Simple wrapper around contrib/simple_usage.py."""
_attrs = ['start', 'server_usages', 'stop', 'tenant_id',
'total_local_gb_usage', 'total_memory_mb_usage',
'total_vcpus_usage', 'total_hours']
def get_summary(self):
return {'instances': self.total_active_instances,
'memory_mb': self.memory_mb,
'vcpus': self.vcpus,
'vcpu_hours': self.vcpu_hours,
'local_gb': self.local_gb,
'disk_gb_hours': self.disk_gb_hours,
'memory_mb_hours': self.memory_mb_hours}
@property
def total_active_instances(self):
return sum(1 for s in self.server_usages if s['ended_at'] is None)
@property
def vcpus(self):
return sum(s['vcpus'] for s in self.server_usages
if s['ended_at'] is None)
@property
def vcpu_hours(self):
return getattr(self, "total_vcpus_usage", 0)
@property
def local_gb(self):
return sum(s['local_gb'] for s in self.server_usages
if s['ended_at'] is None)
@property
def memory_mb(self):
return sum(s['memory_mb'] for s in self.server_usages
if s['ended_at'] is None)
@property
def disk_gb_hours(self):
return getattr(self, "total_local_gb_usage", 0)
@property
def memory_mb_hours(self):
return getattr(self, "total_memory_mb_usage", 0)
class FlavorExtraSpec(object):
def __init__(self, flavor_id, key, val):
self.flavor_id = flavor_id
self.id = key
self.key = key
self.value = val
class QuotaSet(base.QuotaSet):
# We don't support nova-network, so we exclude nova-network relatd
# quota fields from the response.
ignore_quotas = {
"floating_ips",
"fixed_ips",
"security_groups",
"security_group_rules",
}
def __init__(self, apiresource=None):
super(QuotaSet, self).__init__(apiresource)
for name in self.ignore_quotas:
if name in self.items:
del self.items[name]
def get_auth_params_from_request(request):
"""Extracts properties needed by novaclient call from the request object.
These will be used to memoize the calls to novaclient.
"""
return (
request.user.username,
request.user.token.id,
request.user.tenant_id,
request.user.token.project.get('domain_id'),
base.url_for(request, 'compute'),
base.url_for(request, 'identity')
)
@memoized_with_request(get_auth_params_from_request)
def novaclient(request_auth_params, version=None):
(
username,
token_id,
project_id,
project_domain_id,
nova_url,
auth_url
) = request_auth_params
if version is None:
version = VERSIONS.get_active_version()['version']
c = nova_client.Client(version,
username,
token_id,
project_id=project_id,
project_domain_id=project_domain_id,
auth_url=auth_url,
insecure=INSECURE,
cacert=CACERT,
http_log_debug=settings.DEBUG,
auth_token=token_id,
endpoint_override=nova_url)
return c
def upgrade_api(request, client, version):
"""Ugrade the nova API to the specified version if possible."""
min_ver, max_ver = api_versions._get_server_version_range(client)
if min_ver <= api_versions.APIVersion(version) <= max_ver:
client = novaclient(request, version)
return client
@profiler.trace
def server_vnc_console(request, instance_id, console_type='novnc'):
return VNCConsole(novaclient(request).servers.get_vnc_console(
instance_id, console_type)['console'])
@profiler.trace
def server_spice_console(request, instance_id, console_type='spice-html5'):
return SPICEConsole(novaclient(request).servers.get_spice_console(
instance_id, console_type)['console'])
@profiler.trace
def server_rdp_console(request, instance_id, console_type='rdp-html5'):
return RDPConsole(novaclient(request).servers.get_rdp_console(
instance_id, console_type)['console'])
@profiler.trace
def server_serial_console(request, instance_id, console_type='serial'):
return SerialConsole(novaclient(request).servers.get_serial_console(
instance_id, console_type)['console'])
@profiler.trace
def server_mks_console(request, instance_id, console_type='mks'):
microver = get_microversion(request, "remote_console_mks")
return MKSConsole(novaclient(request, microver).servers.get_mks_console(
instance_id, console_type)['remote_console'])
@profiler.trace
def flavor_create(request, name, memory, vcpu, disk, flavorid='auto',
ephemeral=0, swap=0, metadata=None, is_public=True,
rxtx_factor=1):
flavor = novaclient(request).flavors.create(name, memory, vcpu, disk,
flavorid=flavorid,
ephemeral=ephemeral,
swap=swap, is_public=is_public,
rxtx_factor=rxtx_factor)
if (metadata):
flavor_extra_set(request, flavor.id, metadata)
return flavor
@profiler.trace
def flavor_delete(request, flavor_id):
novaclient(request).flavors.delete(flavor_id)
@profiler.trace
def flavor_get(request, flavor_id, get_extras=False):
flavor = novaclient(request).flavors.get(flavor_id)
if get_extras:
flavor.extras = flavor_get_extras(request, flavor.id, True, flavor)
return flavor
@profiler.trace
@memoized
def flavor_list(request, is_public=True, get_extras=False):
"""Get the list of available instance sizes (flavors)."""
flavors = novaclient(request).flavors.list(is_public=is_public)
if get_extras:
for flavor in flavors:
flavor.extras = flavor_get_extras(request, flavor.id, True, flavor)
return flavors
@profiler.trace
def update_pagination(entities, page_size, marker, sort_dir, sort_key,
reversed_order):
has_more_data = has_prev_data = False
if len(entities) > page_size:
has_more_data = True
entities.pop()
if marker is not None:
has_prev_data = True
# first page condition when reached via prev back
elif reversed_order and marker is not None:
has_more_data = True
# last page condition
elif marker is not None:
has_prev_data = True
# restore the original ordering here
if reversed_order:
entities = sorted(entities, key=lambda entity:
(getattr(entity, sort_key) or '').lower(),
reverse=(sort_dir == 'asc'))
return entities, has_more_data, has_prev_data
@profiler.trace
@memoized
def flavor_list_paged(request, is_public=True, get_extras=False, marker=None,
paginate=False, sort_key="name", sort_dir="desc",
reversed_order=False):
"""Get the list of available instance sizes (flavors)."""
has_more_data = False
has_prev_data = False
if paginate:
if reversed_order:
sort_dir = 'desc' if sort_dir == 'asc' else 'asc'
page_size = utils.get_page_size(request)
flavors = novaclient(request).flavors.list(is_public=is_public,
marker=marker,
limit=page_size + 1,
sort_key=sort_key,
sort_dir=sort_dir)
flavors, has_more_data, has_prev_data = update_pagination(
flavors, page_size, marker, sort_dir, sort_key, reversed_order)
else:
flavors = novaclient(request).flavors.list(is_public=is_public)
if get_extras:
for flavor in flavors:
flavor.extras = flavor_get_extras(request, flavor.id, True, flavor)
return (flavors, has_more_data, has_prev_data)
@profiler.trace
@memoized
def flavor_access_list(request, flavor=None):
"""Get the list of access instance sizes (flavors)."""
return novaclient(request).flavor_access.list(flavor=flavor)
@profiler.trace
def add_tenant_to_flavor(request, flavor, tenant):
"""Add a tenant to the given flavor access list."""
return novaclient(request).flavor_access.add_tenant_access(
flavor=flavor, tenant=tenant)
@profiler.trace
def remove_tenant_from_flavor(request, flavor, tenant):
"""Remove a tenant from the given flavor access list."""
return novaclient(request).flavor_access.remove_tenant_access(
flavor=flavor, tenant=tenant)
@profiler.trace
def flavor_get_extras(request, flavor_id, raw=False, flavor=None):
"""Get flavor extra specs."""
if flavor is None:
flavor = novaclient(request).flavors.get(flavor_id)
extras = flavor.get_keys()
if raw:
return extras
return [FlavorExtraSpec(flavor_id, key, value) for
key, value in extras.items()]
@profiler.trace
def flavor_extra_delete(request, flavor_id, keys):
"""Unset the flavor extra spec keys."""
flavor = novaclient(request).flavors.get(flavor_id)
return flavor.unset_keys(keys)
@profiler.trace
def flavor_extra_set(request, flavor_id, metadata):
"""Set the flavor extra spec keys."""
flavor = novaclient(request).flavors.get(flavor_id)
if (not metadata): # not a way to delete keys
return None
return flavor.set_keys(metadata)
@profiler.trace
def snapshot_create(request, instance_id, name):
return novaclient(request).servers.create_image(instance_id, name)
@profiler.trace
def keypair_create(request, name):
return novaclient(request).keypairs.create(name)
@profiler.trace
def keypair_import(request, name, public_key):
return novaclient(request).keypairs.create(name, public_key)
@profiler.trace
def keypair_delete(request, name):
novaclient(request).keypairs.delete(name)
@profiler.trace
def keypair_list(request):
return novaclient(request).keypairs.list()
@profiler.trace
def keypair_get(request, name):
return novaclient(request).keypairs.get(name)
@profiler.trace
def server_create(request, name, image, flavor, key_name, user_data,
security_groups, block_device_mapping=None,
block_device_mapping_v2=None, nics=None,
availability_zone=None, instance_count=1, admin_pass=None,
disk_config=None, config_drive=None, meta=None,
scheduler_hints=None, description=None):
kwargs = {}
if description is not None:
kwargs['description'] = description
return Server(get_novaclient_with_instance_desc(request).servers.create(
name.strip(), image, flavor, userdata=user_data,
security_groups=security_groups,
key_name=key_name, block_device_mapping=block_device_mapping,
block_device_mapping_v2=block_device_mapping_v2,
nics=nics, availability_zone=availability_zone,
min_count=instance_count, admin_pass=admin_pass,
disk_config=disk_config, config_drive=config_drive,
meta=meta, scheduler_hints=scheduler_hints, **kwargs), request)
@profiler.trace
def server_delete(request, instance_id):
novaclient(request).servers.delete(instance_id)
def get_novaclient_with_locked_status(request):
microversion = get_microversion(request, "locked_attribute")
return novaclient(request, version=microversion)
def get_novaclient_with_instance_desc(request):
microversion = get_microversion(request, "instance_description")
return novaclient(request, version=microversion)
@profiler.trace
def server_get(request, instance_id):
return Server(get_novaclient_with_instance_desc(request).servers.get(
instance_id), request)
@profiler.trace
def server_list(request, search_opts=None, detailed=True):
nova_client = get_novaclient_with_locked_status(request)
page_size = utils.get_page_size(request)
paginate = False
if search_opts is None:
search_opts = {}
elif 'paginate' in search_opts:
paginate = search_opts.pop('paginate')
if paginate:
search_opts['limit'] = page_size + 1
all_tenants = search_opts.get('all_tenants', False)
if all_tenants:
search_opts['all_tenants'] = True
else:
search_opts['project_id'] = request.user.tenant_id
servers = [Server(s, request)
for s in nova_client.servers.list(detailed, search_opts)]
has_more_data = False
if paginate and len(servers) > page_size:
servers.pop(-1)
has_more_data = True
elif paginate and len(servers) == getattr(settings, 'API_RESULT_LIMIT',
1000):
has_more_data = True
return (servers, has_more_data)
@profiler.trace
def server_console_output(request, instance_id, tail_length=None):
"""Gets console output of an instance."""
return novaclient(request).servers.get_console_output(instance_id,
length=tail_length)
@profiler.trace
def server_pause(request, instance_id):
novaclient(request).servers.pause(instance_id)
@profiler.trace
def server_unpause(request, instance_id):
novaclient(request).servers.unpause(instance_id)
@profiler.trace
def server_suspend(request, instance_id):
novaclient(request).servers.suspend(instance_id)
@profiler.trace
def server_resume(request, instance_id):
novaclient(request).servers.resume(instance_id)
@profiler.trace
def server_shelve(request, instance_id):
novaclient(request).servers.shelve(instance_id)
@profiler.trace
def server_unshelve(request, instance_id):
novaclient(request).servers.unshelve(instance_id)
@profiler.trace
def server_reboot(request, instance_id, soft_reboot=False):
hardness = nova_servers.REBOOT_HARD
if soft_reboot:
hardness = nova_servers.REBOOT_SOFT
novaclient(request).servers.reboot(instance_id, hardness)
@profiler.trace
def server_rebuild(request, instance_id, image_id, password=None,
disk_config=None):
return novaclient(request).servers.rebuild(instance_id, image_id,
password, disk_config)
@profiler.trace
def server_update(request, instance_id, name, description=None):
return get_novaclient_with_instance_desc(request).servers.update(
instance_id, name=name.strip(), description=description)
@profiler.trace
def server_migrate(request, instance_id):
novaclient(request).servers.migrate(instance_id)
@profiler.trace
def server_live_migrate(request, instance_id, host, block_migration=False,
disk_over_commit=False):
novaclient(request).servers.live_migrate(instance_id, host,
block_migration,
disk_over_commit)
@profiler.trace
def server_resize(request, instance_id, flavor, disk_config=None, **kwargs):
novaclient(request).servers.resize(instance_id, flavor,
disk_config, **kwargs)
@profiler.trace
def server_confirm_resize(request, instance_id):
novaclient(request).servers.confirm_resize(instance_id)
@profiler.trace
def server_revert_resize(request, instance_id):
novaclient(request).servers.revert_resize(instance_id)
@profiler.trace
def server_start(request, instance_id):
novaclient(request).servers.start(instance_id)
@profiler.trace
def server_stop(request, instance_id):
novaclient(request).servers.stop(instance_id)
@profiler.trace
def server_lock(request, instance_id):
microversion = get_microversion(request, "locked_attribute")
novaclient(request, version=microversion).servers.lock(instance_id)
@profiler.trace
def server_unlock(request, instance_id):
microversion = get_microversion(request, "locked_attribute")
novaclient(request, version=microversion).servers.unlock(instance_id)
@profiler.trace
def server_metadata_update(request, instance_id, metadata):
novaclient(request).servers.set_meta(instance_id, metadata)
@profiler.trace
def server_metadata_delete(request, instance_id, keys):
novaclient(request).servers.delete_meta(instance_id, keys)
@profiler.trace
def tenant_quota_get(request, tenant_id):
return QuotaSet(novaclient(request).quotas.get(tenant_id))
@profiler.trace
def tenant_quota_update(request, tenant_id, **kwargs):
if kwargs:
novaclient(request).quotas.update(tenant_id, **kwargs)
@profiler.trace
def default_quota_get(request, tenant_id):
return QuotaSet(novaclient(request).quotas.defaults(tenant_id))
@profiler.trace
def default_quota_update(request, **kwargs):
novaclient(request).quota_classes.update(DEFAULT_QUOTA_NAME, **kwargs)
def _get_usage_marker(usage):
marker = None
if hasattr(usage, 'server_usages') and usage.server_usages:
marker = usage.server_usages[-1].get('instance_id')
return marker
def _get_usage_list_marker(usage_list):
marker = None
if usage_list:
marker = _get_usage_marker(usage_list[-1])
return marker
def _merge_usage(usage, next_usage):
usage.server_usages.extend(next_usage.server_usages)
usage.total_hours += next_usage.total_hours
usage.total_memory_mb_usage += next_usage.total_memory_mb_usage
usage.total_vcpus_usage += next_usage.total_vcpus_usage
usage.total_local_gb_usage += next_usage.total_local_gb_usage
def _merge_usage_list(usages, next_usage_list):
for next_usage in next_usage_list:
if next_usage.tenant_id in usages:
_merge_usage(usages[next_usage.tenant_id], next_usage)
else:
usages[next_usage.tenant_id] = next_usage
@profiler.trace
def usage_get(request, tenant_id, start, end):
client = upgrade_api(request, novaclient(request), '2.40')
usage = client.usage.get(tenant_id, start, end)
if client.api_version >= api_versions.APIVersion('2.40'):
# If the number of instances used to calculate the usage is greater
# than max_limit, the usage will be split across multiple requests
# and the responses will need to be merged back together.
marker = _get_usage_marker(usage)
while marker:
next_usage = client.usage.get(tenant_id, start, end, marker=marker)
marker = _get_usage_marker(next_usage)
if marker:
_merge_usage(usage, next_usage)
return NovaUsage(usage)
@profiler.trace
def usage_list(request, start, end):
client = upgrade_api(request, novaclient(request), '2.40')
usage_list = client.usage.list(start, end, True)
if client.api_version >= api_versions.APIVersion('2.40'):
# If the number of instances used to calculate the usage is greater
# than max_limit, the usage will be split across multiple requests
# and the responses will need to be merged back together.
usages = collections.OrderedDict()
_merge_usage_list(usages, usage_list)
marker = _get_usage_list_marker(usage_list)
while marker:
next_usage_list = client.usage.list(start, end, True,
marker=marker)
marker = _get_usage_list_marker(next_usage_list)
if marker:
_merge_usage_list(usages, next_usage_list)
usage_list = usages.values()
return [NovaUsage(u) for u in usage_list]
@profiler.trace
def get_password(request, instance_id, private_key=None):
return novaclient(request).servers.get_password(instance_id, private_key)
@profiler.trace
def instance_volume_attach(request, volume_id, instance_id, device):
return novaclient(request).volumes.create_server_volume(instance_id,
volume_id,
device)
@profiler.trace
def instance_volume_detach(request, instance_id, att_id):
return novaclient(request).volumes.delete_server_volume(instance_id,
att_id)
@profiler.trace
def instance_volumes_list(request, instance_id):
from openstack_dashboard.api import cinder
volumes = novaclient(request).volumes.get_server_volumes(instance_id)
for volume in volumes:
volume_data = cinder.cinderclient(request).volumes.get(volume.id)
volume.name = cinder.Volume(volume_data).name
return volumes
@profiler.trace
def hypervisor_list(request):
return novaclient(request).hypervisors.list()
@profiler.trace
def hypervisor_stats(request):
return novaclient(request).hypervisors.statistics()
@profiler.trace
def hypervisor_search(request, query, servers=True):
return novaclient(request).hypervisors.search(query, servers)
@profiler.trace
def evacuate_host(request, host, target=None, on_shared_storage=False):
# TODO(jmolle) This should be change for nova atomic api host_evacuate
hypervisors = novaclient(request).hypervisors.search(host, True)
response = []
err_code = None
for hypervisor in hypervisors:
hyper = Hypervisor(hypervisor)
# if hypervisor doesn't have servers, the attribute is not present
for server in hyper.servers:
try:
novaclient(request).servers.evacuate(server['uuid'],
target,
on_shared_storage)
except nova_exceptions.ClientException as err:
err_code = err.code
msg = _("Name: %(name)s ID: %(uuid)s")
msg = msg % {'name': server['name'], 'uuid': server['uuid']}
response.append(msg)
if err_code:
msg = _('Failed to evacuate instances: %s') % ', '.join(response)
raise nova_exceptions.ClientException(err_code, msg)
return True
@profiler.trace
def migrate_host(request, host, live_migrate=False, disk_over_commit=False,
block_migration=False):
hypervisors = novaclient(request).hypervisors.search(host, True)
response = []
err_code = None
for hyper in hypervisors:
for server in getattr(hyper, "servers", []):
try:
if live_migrate:
instance = server_get(request, server['uuid'])
# Checking that instance can be live-migrated
if instance.status in ["ACTIVE", "PAUSED"]:
novaclient(request).servers.live_migrate(
server['uuid'],
None,
block_migration,
disk_over_commit
)
else:
novaclient(request).servers.migrate(server['uuid'])
else:
novaclient(request).servers.migrate(server['uuid'])
except nova_exceptions.ClientException as err:
err_code = err.code
msg = _("Name: %(name)s ID: %(uuid)s")
msg = msg % {'name': server['name'], 'uuid': server['uuid']}
response.append(msg)
if err_code:
msg = _('Failed to migrate instances: %s') % ', '.join(response)
raise nova_exceptions.ClientException(err_code, msg)
return True
@profiler.trace
def tenant_absolute_limits(request, reserved=False, tenant_id=None):
# Nova does not allow to specify tenant_id for non-admin users
# even if tenant_id matches a tenant_id of the user.
if tenant_id == request.user.tenant_id:
tenant_id = None
limits = novaclient(request).limits.get(reserved=reserved,
tenant_id=tenant_id).absolute
limits_dict = {}
for limit in limits:
if limit.value < 0:
# Workaround for nova bug 1370867 that absolute_limits
# returns negative value for total.*Used instead of 0.
# For such case, replace negative values with 0.
if limit.name.startswith('total') and limit.name.endswith('Used'):
limits_dict[limit.name] = 0
else:
# -1 is used to represent unlimited quotas
limits_dict[limit.name] = float("inf")
else:
limits_dict[limit.name] = limit.value
return limits_dict
@profiler.trace
def availability_zone_list(request, detailed=False):
return novaclient(request).availability_zones.list(detailed=detailed)
@profiler.trace
def server_group_list(request):
return novaclient(request).server_groups.list()
@profiler.trace
def server_group_create(request, **kwargs):
microversion = get_microversion(request, "servergroup_soft_policies")
return novaclient(request, version=microversion).server_groups.create(
**kwargs)
@profiler.trace
def server_group_delete(request, servergroup_id):
novaclient(request).server_groups.delete(servergroup_id)
@profiler.trace
def server_group_get(request, servergroup_id):
microversion = get_microversion(request, "servergroup_user_info")
return novaclient(request, version=microversion).server_groups.get(
servergroup_id)
@profiler.trace
def service_list(request, binary=None):
return novaclient(request).services.list(binary=binary)
@profiler.trace
def service_enable(request, host, binary):
return novaclient(request).services.enable(host, binary)
@profiler.trace
def service_disable(request, host, binary, reason=None):
if reason:
return novaclient(request).services.disable_log_reason(host,
binary, reason)
else:
return novaclient(request).services.disable(host, binary)
@profiler.trace
def aggregate_details_list(request):
result = []
c = novaclient(request)
for aggregate in c.aggregates.list():
result.append(c.aggregates.get_details(aggregate.id))
return result
@profiler.trace
def aggregate_create(request, name, availability_zone=None):
return novaclient(request).aggregates.create(name, availability_zone)
@profiler.trace
def aggregate_delete(request, aggregate_id):
return novaclient(request).aggregates.delete(aggregate_id)
@profiler.trace
def aggregate_get(request, aggregate_id):
return novaclient(request).aggregates.get(aggregate_id)
@profiler.trace
def aggregate_update(request, aggregate_id, values):
novaclient(request).aggregates.update(aggregate_id, values)
@profiler.trace
def aggregate_set_metadata(request, aggregate_id, metadata):
return novaclient(request).aggregates.set_metadata(aggregate_id, metadata)
@profiler.trace
def add_host_to_aggregate(request, aggregate_id, host):
novaclient(request).aggregates.add_host(aggregate_id, host)
@profiler.trace
def remove_host_from_aggregate(request, aggregate_id, host):
novaclient(request).aggregates.remove_host(aggregate_id, host)
@profiler.trace
def interface_attach(request,
server, port_id=None, net_id=None, fixed_ip=None):
return novaclient(request).servers.interface_attach(server,
port_id,
net_id,
fixed_ip)
@profiler.trace
def interface_detach(request, server, port_id):
return novaclient(request).servers.interface_detach(server, port_id)
@profiler.trace
@memoized_with_request(novaclient)
def list_extensions(nova_api):
"""List all nova extensions, except the ones in the blacklist."""
blacklist = set(getattr(settings,
'OPENSTACK_NOVA_EXTENSIONS_BLACKLIST', []))
return tuple(
extension for extension in
nova_list_extensions.ListExtManager(nova_api).show_all()
if extension.name not in blacklist
)
@profiler.trace
@memoized_with_request(list_extensions, 1)
def extension_supported(extension_name, extensions):
"""Determine if nova supports a given extension name.
Example values for the extension_name include AdminActions, ConsoleOutput,
etc.
"""
for extension in extensions:
if extension.name == extension_name:
return True
return False
@profiler.trace
def can_set_server_password():
features = getattr(settings, 'OPENSTACK_HYPERVISOR_FEATURES', {})
return features.get('can_set_password', False)
@profiler.trace
def instance_action_list(request, instance_id):
return nova_instance_action.InstanceActionManager(
novaclient(request)).list(instance_id)
@profiler.trace
def can_set_mount_point():
"""Return the Hypervisor's capability of setting mount points."""
hypervisor_features = getattr(
settings, "OPENSTACK_HYPERVISOR_FEATURES", {})
return hypervisor_features.get("can_set_mount_point", False)
@profiler.trace
def requires_keypair():
features = getattr(settings, 'OPENSTACK_HYPERVISOR_FEATURES', {})
return features.get('requires_keypair', False)
def can_set_quotas():
features = getattr(settings, 'OPENSTACK_HYPERVISOR_FEATURES', {})
return features.get('enable_quotas', True)