/
servers.py
1153 lines (996 loc) · 47.3 KB
/
servers.py
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# Copyright 2010 OpenStack Foundation
# Copyright 2011 Piston Cloud Computing, Inc
# 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.
import base64
import os
import re
import sys
from oslo_config import cfg
from oslo_log import log as logging
import oslo_messaging as messaging
from oslo_utils import netutils
from oslo_utils import strutils
from oslo_utils import timeutils
from oslo_utils import uuidutils
import six
import webob
from webob import exc
from nova.api.openstack import common
from nova.api.openstack.compute.views import servers as views_servers
from nova.api.openstack import wsgi
from nova import block_device
from nova import compute
from nova.compute import flavors
from nova import exception
from nova.i18n import _
from nova import objects
from nova import policy
from nova import utils
server_opts = [
cfg.BoolOpt('enable_instance_password',
default=True,
help='Enables returning of the instance password by the'
' relevant server API calls such as create, rebuild'
' or rescue, If the hypervisor does not support'
' password injection then the password returned will'
' not be correct'),
]
CONF = cfg.CONF
CONF.register_opts(server_opts)
CONF.import_opt('network_api_class', 'nova.network')
CONF.import_opt('reclaim_instance_interval', 'nova.compute.manager')
LOG = logging.getLogger(__name__)
CREATE_EXCEPTIONS = {
exception.InvalidMetadataSize: exc.HTTPRequestEntityTooLarge,
exception.ImageNotFound: exc.HTTPBadRequest,
exception.FlavorNotFound: exc.HTTPBadRequest,
exception.KeypairNotFound: exc.HTTPBadRequest,
exception.ConfigDriveInvalidValue: exc.HTTPBadRequest,
exception.ImageNotActive: exc.HTTPBadRequest,
exception.FlavorDiskTooSmall: exc.HTTPBadRequest,
exception.FlavorMemoryTooSmall: exc.HTTPBadRequest,
exception.NetworkNotFound: exc.HTTPBadRequest,
exception.PortNotFound: exc.HTTPBadRequest,
exception.FixedIpAlreadyInUse: exc.HTTPBadRequest,
exception.SecurityGroupNotFound: exc.HTTPBadRequest,
exception.InstanceUserDataTooLarge: exc.HTTPBadRequest,
exception.InstanceUserDataMalformed: exc.HTTPBadRequest,
exception.ImageNUMATopologyIncomplete: exc.HTTPBadRequest,
exception.ImageNUMATopologyForbidden: exc.HTTPBadRequest,
exception.ImageNUMATopologyAsymmetric: exc.HTTPBadRequest,
exception.ImageNUMATopologyCPUOutOfRange: exc.HTTPBadRequest,
exception.ImageNUMATopologyCPUDuplicates: exc.HTTPBadRequest,
exception.ImageNUMATopologyCPUsUnassigned: exc.HTTPBadRequest,
exception.ImageNUMATopologyMemoryOutOfRange: exc.HTTPBadRequest,
exception.PortInUse: exc.HTTPConflict,
exception.InstanceExists: exc.HTTPConflict,
exception.NoUniqueMatch: exc.HTTPConflict,
exception.Invalid: exc.HTTPBadRequest,
}
CREATE_EXCEPTIONS_MSGS = {
exception.ImageNotFound: _("Can not find requested image"),
exception.FlavorNotFound: _("Invalid flavorRef provided."),
exception.KeypairNotFound: _("Invalid key_name provided."),
exception.ConfigDriveInvalidValue: _("Invalid config_drive provided."),
}
class Controller(wsgi.Controller):
"""The Server API base controller class for the OpenStack API."""
_view_builder_class = views_servers.ViewBuilder
@staticmethod
def _add_location(robj):
# Just in case...
if 'server' not in robj.obj:
return robj
link = filter(lambda l: l['rel'] == 'self',
robj.obj['server']['links'])
if link:
robj['Location'] = utils.utf8(link[0]['href'])
# Convenience return
return robj
def __init__(self, ext_mgr=None, **kwargs):
super(Controller, self).__init__(**kwargs)
self.compute_api = compute.API()
self.ext_mgr = ext_mgr
def index(self, req):
"""Returns a list of server names and ids for a given user."""
try:
servers = self._get_servers(req, is_detail=False)
except exception.Invalid as err:
raise exc.HTTPBadRequest(explanation=err.format_message())
return servers
def detail(self, req):
"""Returns a list of server details for a given user."""
try:
servers = self._get_servers(req, is_detail=True)
except exception.Invalid as err:
raise exc.HTTPBadRequest(explanation=err.format_message())
return servers
def _get_servers(self, req, is_detail):
"""Returns a list of servers, based on any search options specified."""
search_opts = {}
search_opts.update(req.GET)
context = req.environ['nova.context']
remove_invalid_options(context, search_opts,
self._get_server_search_options())
# Verify search by 'status' contains a valid status.
# Convert it to filter by vm_state or task_state for compute_api.
search_opts.pop('status', None)
if 'status' in req.GET.keys():
statuses = req.GET.getall('status')
states = common.task_and_vm_state_from_status(statuses)
vm_state, task_state = states
if not vm_state and not task_state:
return {'servers': []}
search_opts['vm_state'] = vm_state
# When we search by vm state, task state will return 'default'.
# So we don't need task_state search_opt.
if 'default' not in task_state:
search_opts['task_state'] = task_state
if 'changes-since' in search_opts:
try:
parsed = timeutils.parse_isotime(search_opts['changes-since'])
except ValueError:
msg = _('Invalid changes-since value')
raise exc.HTTPBadRequest(explanation=msg)
search_opts['changes-since'] = parsed
# By default, compute's get_all() will return deleted instances.
# If an admin hasn't specified a 'deleted' search option, we need
# to filter out deleted instances by setting the filter ourselves.
# ... Unless 'changes-since' is specified, because 'changes-since'
# should return recently deleted images according to the API spec.
if 'deleted' not in search_opts:
if 'changes-since' not in search_opts:
# No 'changes-since', so we only want non-deleted servers
search_opts['deleted'] = False
if search_opts.get("vm_state") == ['deleted']:
if context.is_admin:
search_opts['deleted'] = True
else:
msg = _("Only administrators may list deleted instances")
raise exc.HTTPForbidden(explanation=msg)
# If all tenants is passed with 0 or false as the value
# then remove it from the search options. Nothing passed as
# the value for all_tenants is considered to enable the feature
all_tenants = search_opts.get('all_tenants')
if all_tenants:
try:
if not strutils.bool_from_string(all_tenants, True):
del search_opts['all_tenants']
except ValueError as err:
raise exception.InvalidInput(six.text_type(err))
if 'all_tenants' in search_opts:
policy.enforce(context, 'compute:get_all_tenants',
{'project_id': context.project_id,
'user_id': context.user_id})
del search_opts['all_tenants']
else:
if context.project_id:
search_opts['project_id'] = context.project_id
else:
search_opts['user_id'] = context.user_id
limit, marker = common.get_limit_and_marker(req)
# Sorting by multiple keys and directions is conditionally enabled
sort_keys, sort_dirs = None, None
if self.ext_mgr.is_loaded('os-server-sort-keys'):
sort_keys, sort_dirs = common.get_sort_params(req.params)
try:
instance_list = self.compute_api.get_all(context,
search_opts=search_opts,
limit=limit,
marker=marker,
want_objects=True,
sort_keys=sort_keys,
sort_dirs=sort_dirs)
except exception.MarkerNotFound:
msg = _('marker [%s] not found') % marker
raise exc.HTTPBadRequest(explanation=msg)
except exception.FlavorNotFound:
LOG.debug("Flavor '%s' could not be found", search_opts['flavor'])
instance_list = objects.InstanceList()
if is_detail:
instance_list.fill_faults()
response = self._view_builder.detail(req, instance_list)
else:
response = self._view_builder.index(req, instance_list)
req.cache_db_instances(instance_list)
return response
def _get_server(self, context, req, instance_uuid):
"""Utility function for looking up an instance by uuid."""
instance = common.get_instance(self.compute_api, context,
instance_uuid,
expected_attrs=['flavor'])
req.cache_db_instance(instance)
return instance
def _check_string_length(self, value, name, max_length=None):
try:
if isinstance(value, six.string_types):
value = value.strip()
utils.check_string_length(value, name, min_length=1,
max_length=max_length)
except exception.InvalidInput as e:
raise exc.HTTPBadRequest(explanation=e.format_message())
def _validate_server_name(self, value):
self._check_string_length(value, 'Server name', max_length=255)
def _get_injected_files(self, personality):
"""Create a list of injected files from the personality attribute.
At this time, injected_files must be formatted as a list of
(file_path, file_content) pairs for compatibility with the
underlying compute service.
"""
injected_files = []
for item in personality:
try:
path = item['path']
contents = item['contents']
except KeyError as key:
expl = _('Bad personality format: missing %s') % key
raise exc.HTTPBadRequest(explanation=expl)
except TypeError:
expl = _('Bad personality format')
raise exc.HTTPBadRequest(explanation=expl)
if self._decode_base64(contents) is None:
expl = _('Personality content for %s cannot be decoded') % path
raise exc.HTTPBadRequest(explanation=expl)
injected_files.append((path, contents))
return injected_files
def _get_requested_networks(self, requested_networks):
"""Create a list of requested networks from the networks attribute."""
networks = []
network_uuids = []
for network in requested_networks:
request = objects.NetworkRequest()
try:
try:
request.port_id = network.get('port', None)
except ValueError:
msg = _("Bad port format: port uuid is "
"not in proper format "
"(%s)") % network.get('port')
raise exc.HTTPBadRequest(explanation=msg)
if request.port_id:
request.network_id = None
if not utils.is_neutron():
# port parameter is only for neutron v2.0
msg = _("Unknown argument : port")
raise exc.HTTPBadRequest(explanation=msg)
else:
request.network_id = network['uuid']
if (not request.port_id and not
uuidutils.is_uuid_like(request.network_id)):
br_uuid = request.network_id.split('-', 1)[-1]
if not uuidutils.is_uuid_like(br_uuid):
msg = _("Bad networks format: network uuid is "
"not in proper format "
"(%s)") % request.network_id
raise exc.HTTPBadRequest(explanation=msg)
# fixed IP address is optional
# if the fixed IP address is not provided then
# it will use one of the available IP address from the network
try:
request.address = network.get('fixed_ip', None)
except ValueError:
msg = _("Invalid fixed IP address (%s)") % request.address
raise exc.HTTPBadRequest(explanation=msg)
# duplicate networks are allowed only for neutron v2.0
if (not utils.is_neutron() and request.network_id and
request.network_id in network_uuids):
expl = (_("Duplicate networks"
" (%s) are not allowed") %
request.network_id)
raise exc.HTTPBadRequest(explanation=expl)
network_uuids.append(request.network_id)
networks.append(request)
except KeyError as key:
expl = _('Bad network format: missing %s') % key
raise exc.HTTPBadRequest(explanation=expl)
except TypeError:
expl = _('Bad networks format')
raise exc.HTTPBadRequest(explanation=expl)
return objects.NetworkRequestList(objects=networks)
# NOTE(vish): Without this regex, b64decode will happily
# ignore illegal bytes in the base64 encoded
# data.
B64_REGEX = re.compile('^(?:[A-Za-z0-9+\/]{4})*'
'(?:[A-Za-z0-9+\/]{2}=='
'|[A-Za-z0-9+\/]{3}=)?$')
def _decode_base64(self, data):
data = re.sub(r'\s', '', data)
if not self.B64_REGEX.match(data):
return None
try:
return base64.b64decode(data)
except TypeError:
return None
def _validate_access_ipv4(self, address):
if not netutils.is_valid_ipv4(address):
expl = _('accessIPv4 is not proper IPv4 format')
raise exc.HTTPBadRequest(explanation=expl)
def _validate_access_ipv6(self, address):
if not netutils.is_valid_ipv6(address):
expl = _('accessIPv6 is not proper IPv6 format')
raise exc.HTTPBadRequest(explanation=expl)
def show(self, req, id):
"""Returns server details by server id."""
context = req.environ['nova.context']
instance = self._get_server(context, req, id)
return self._view_builder.show(req, instance)
def _extract(self, server_dict, ext_name, key):
if self.ext_mgr.is_loaded(ext_name):
return server_dict.get(key)
return None
def _validate_user_data(self, user_data):
if user_data and self._decode_base64(user_data) is None:
expl = _('Userdata content cannot be decoded')
raise exc.HTTPBadRequest(explanation=expl)
return user_data
def _extract_bdm(self, server_dict, image_uuid_specified):
legacy_bdm = True
block_device_mapping = None
block_device_mapping_v2 = None
if not self.ext_mgr.is_loaded('os-volumes'):
return legacy_bdm, None
block_device_mapping = server_dict.get('block_device_mapping', [])
if not isinstance(block_device_mapping, list):
msg = _('block_device_mapping must be a list')
raise exc.HTTPBadRequest(explanation=msg)
for bdm in block_device_mapping:
try:
block_device.validate_device_name(bdm.get("device_name"))
block_device.validate_and_default_volume_size(bdm)
except exception.InvalidBDMFormat as e:
raise exc.HTTPBadRequest(explanation=e.format_message())
if 'delete_on_termination' in bdm:
bdm['delete_on_termination'] = strutils.bool_from_string(
bdm['delete_on_termination'])
if self.ext_mgr.is_loaded('os-block-device-mapping-v2-boot'):
# Consider the new data format for block device mapping
block_device_mapping_v2 = server_dict.get(
'block_device_mapping_v2', [])
# NOTE (ndipanov): Disable usage of both legacy and new
# block device format in the same request
if block_device_mapping and block_device_mapping_v2:
expl = _('Using different block_device_mapping syntaxes '
'is not allowed in the same request.')
raise exc.HTTPBadRequest(explanation=expl)
if not isinstance(block_device_mapping_v2, list):
msg = _('block_device_mapping_v2 must be a list')
raise exc.HTTPBadRequest(explanation=msg)
# Assume legacy format
legacy_bdm = not bool(block_device_mapping_v2)
try:
block_device_mapping_v2 = [
block_device.BlockDeviceDict.from_api(bdm_dict,
image_uuid_specified)
for bdm_dict in block_device_mapping_v2]
except exception.InvalidBDMFormat as e:
raise exc.HTTPBadRequest(explanation=e.format_message())
bdm = (block_device_mapping or block_device_mapping_v2)
return legacy_bdm, bdm
@staticmethod
def _resolve_exception(matches):
"""We want the most specific exception class."""
while len(matches) > 1:
first = matches[0]
second = matches[1]
if issubclass(first, second):
del matches[1]
else:
del matches[0]
return matches[0]
@staticmethod
def _handle_create_exception(*exc_info):
"""The `CREATE_EXCEPTIONS` dict containing the relationships between
the nova exceptions and the webob exception classes to be raised is
defined at the top of this file.
"""
error = exc_info[1]
err_cls = error.__class__
cls_to_raise = CREATE_EXCEPTIONS.get(err_cls)
if cls_to_raise is None:
# The error is a subclass of one of the dict keys
to_raise = [val for key, val in CREATE_EXCEPTIONS.items()
if isinstance(error, key)]
if len(to_raise) > 1:
cls_to_raise = Controller._resolve_exception(to_raise)
elif not to_raise:
# Not any of the expected exceptions, so re-raise
six.reraise(*exc_info)
else:
cls_to_raise = to_raise[0]
for key, val in CREATE_EXCEPTIONS_MSGS.items():
if isinstance(error, key):
raise cls_to_raise(explanation=CREATE_EXCEPTIONS_MSGS[key])
raise cls_to_raise(explanation=error.format_message())
def _determine_requested_networks(self, server_dict):
requested_networks = None
if (self.ext_mgr.is_loaded('os-networks')
or utils.is_neutron()):
requested_networks = server_dict.get('networks')
if requested_networks is not None:
if not isinstance(requested_networks, list):
expl = _('Bad networks format')
raise exc.HTTPBadRequest(explanation=expl)
requested_networks = self._get_requested_networks(
requested_networks)
return requested_networks
@wsgi.response(202)
def create(self, req, body):
"""Creates a new server for a given user."""
if not self.is_valid_body(body, 'server'):
raise exc.HTTPUnprocessableEntity()
context = req.environ['nova.context']
server_dict = body['server']
password = self._get_server_admin_password(server_dict)
if 'name' not in server_dict:
msg = _("Server name is not defined")
raise exc.HTTPBadRequest(explanation=msg)
name = server_dict['name']
self._validate_server_name(name)
name = name.strip()
image_uuid = self._image_from_req_data(body)
personality = server_dict.get('personality')
config_drive = None
if self.ext_mgr.is_loaded('os-config-drive'):
config_drive = server_dict.get('config_drive')
injected_files = []
if personality:
injected_files = self._get_injected_files(personality)
sg_names = []
if self.ext_mgr.is_loaded('os-security-groups'):
security_groups = server_dict.get('security_groups')
if security_groups is not None:
try:
sg_names = [sg['name'] for sg in security_groups
if sg.get('name')]
except AttributeError:
msg = _("Invalid input for field/attribute %(path)s."
" Value: %(value)s. %(message)s") % {
'path': 'security_groups',
'value': security_groups,
'message': ''
}
raise exc.HTTPBadRequest(explanation=msg)
if not sg_names:
sg_names.append('default')
sg_names = list(set(sg_names))
requested_networks = self._determine_requested_networks(server_dict)
(access_ip_v4, ) = server_dict.get('accessIPv4'),
if access_ip_v4 is not None:
self._validate_access_ipv4(access_ip_v4)
(access_ip_v6, ) = server_dict.get('accessIPv6'),
if access_ip_v6 is not None:
self._validate_access_ipv6(access_ip_v6)
flavor_id = self._flavor_id_from_req_data(body)
# optional openstack extensions:
key_name = self._extract(server_dict, 'os-keypairs', 'key_name')
availability_zone = self._extract(server_dict, 'os-availability-zone',
'availability_zone')
user_data = self._extract(server_dict, 'os-user-data', 'user_data')
self._validate_user_data(user_data)
image_uuid_specified = bool(image_uuid)
legacy_bdm, block_device_mapping = self._extract_bdm(server_dict,
image_uuid_specified)
ret_resv_id = False
# min_count and max_count are optional. If they exist, they may come
# in as strings. Verify that they are valid integers and > 0.
# Also, we want to default 'min_count' to 1, and default
# 'max_count' to be 'min_count'.
min_count = 1
max_count = 1
if self.ext_mgr.is_loaded('os-multiple-create'):
ret_resv_id = server_dict.get('return_reservation_id', False)
min_count = server_dict.get('min_count', 1)
max_count = server_dict.get('max_count', min_count)
try:
min_count = utils.validate_integer(
min_count, "min_count", min_value=1)
max_count = utils.validate_integer(
max_count, "max_count", min_value=1)
except exception.InvalidInput as e:
raise exc.HTTPBadRequest(explanation=e.format_message())
if min_count > max_count:
msg = _('min_count must be <= max_count')
raise exc.HTTPBadRequest(explanation=msg)
auto_disk_config = False
if self.ext_mgr.is_loaded('OS-DCF'):
auto_disk_config = server_dict.get('auto_disk_config')
scheduler_hints = {}
if self.ext_mgr.is_loaded('OS-SCH-HNT'):
scheduler_hints = server_dict.get('scheduler_hints', {})
check_server_group_quota = self.ext_mgr.is_loaded(
'os-server-group-quotas')
try:
_get_inst_type = flavors.get_flavor_by_flavor_id
inst_type = _get_inst_type(flavor_id, ctxt=context,
read_deleted="no")
(instances, resv_id) = self.compute_api.create(context,
inst_type,
image_uuid,
display_name=name,
display_description=name,
key_name=key_name,
metadata=server_dict.get('metadata', {}),
access_ip_v4=access_ip_v4,
access_ip_v6=access_ip_v6,
injected_files=injected_files,
admin_password=password,
min_count=min_count,
max_count=max_count,
requested_networks=requested_networks,
security_group=sg_names,
user_data=user_data,
availability_zone=availability_zone,
config_drive=config_drive,
block_device_mapping=block_device_mapping,
auto_disk_config=auto_disk_config,
scheduler_hints=scheduler_hints,
legacy_bdm=legacy_bdm,
check_server_group_quota=check_server_group_quota)
except (exception.QuotaError,
exception.PortLimitExceeded) as error:
raise exc.HTTPForbidden(
explanation=error.format_message(),
headers={'Retry-After': 0})
except messaging.RemoteError as err:
msg = "%(err_type)s: %(err_msg)s" % {'err_type': err.exc_type,
'err_msg': err.value}
raise exc.HTTPBadRequest(explanation=msg)
except UnicodeDecodeError as error:
msg = "UnicodeError: %s" % error
raise exc.HTTPBadRequest(explanation=msg)
except Exception as error:
# The remaining cases can be handled in a standard fashion.
self._handle_create_exception(*sys.exc_info())
# If the caller wanted a reservation_id, return it
if ret_resv_id:
return wsgi.ResponseObject({'reservation_id': resv_id})
req.cache_db_instances(instances)
server = self._view_builder.create(req, instances[0])
if CONF.enable_instance_password:
server['server']['adminPass'] = password
robj = wsgi.ResponseObject(server)
return self._add_location(robj)
def _delete(self, context, req, instance_uuid):
instance = self._get_server(context, req, instance_uuid)
if CONF.reclaim_instance_interval:
try:
self.compute_api.soft_delete(context, instance)
except exception.InstanceInvalidState:
# Note(yufang521247): instance which has never been active
# is not allowed to be soft_deleted. Thus we have to call
# delete() to clean up the instance.
self.compute_api.delete(context, instance)
else:
self.compute_api.delete(context, instance)
def update(self, req, id, body):
"""Update server then pass on to version-specific controller."""
if not self.is_valid_body(body, 'server'):
raise exc.HTTPUnprocessableEntity()
ctxt = req.environ['nova.context']
update_dict = {}
if 'name' in body['server']:
name = body['server']['name']
self._validate_server_name(name)
update_dict['display_name'] = name.strip()
if 'accessIPv4' in body['server']:
access_ipv4 = body['server']['accessIPv4']
if access_ipv4:
self._validate_access_ipv4(access_ipv4)
update_dict['access_ip_v4'] = (
access_ipv4 and access_ipv4.strip() or None)
if 'accessIPv6' in body['server']:
access_ipv6 = body['server']['accessIPv6']
if access_ipv6:
self._validate_access_ipv6(access_ipv6)
update_dict['access_ip_v6'] = (
access_ipv6 and access_ipv6.strip() or None)
if 'auto_disk_config' in body['server']:
auto_disk_config = strutils.bool_from_string(
body['server']['auto_disk_config'])
update_dict['auto_disk_config'] = auto_disk_config
if 'hostId' in body['server']:
msg = _("HostId cannot be updated.")
raise exc.HTTPBadRequest(explanation=msg)
if 'personality' in body['server']:
msg = _("Personality cannot be updated.")
raise exc.HTTPBadRequest(explanation=msg)
instance = self._get_server(ctxt, req, id)
try:
policy.enforce(ctxt, 'compute:update', instance)
instance.update(update_dict)
# Note instance.save can throw a NotFound exception
instance.save()
except exception.NotFound:
msg = _("Instance could not be found")
raise exc.HTTPNotFound(explanation=msg)
return self._view_builder.show(req, instance)
@wsgi.response(204)
@wsgi.action('confirmResize')
def _action_confirm_resize(self, req, id, body):
context = req.environ['nova.context']
instance = self._get_server(context, req, id)
try:
self.compute_api.confirm_resize(context, instance)
except exception.MigrationNotFound:
msg = _("Instance has not been resized.")
raise exc.HTTPBadRequest(explanation=msg)
except exception.InstanceIsLocked as e:
raise exc.HTTPConflict(explanation=e.format_message())
except exception.InstanceInvalidState as state_error:
common.raise_http_conflict_for_instance_invalid_state(state_error,
'confirmResize', id)
@wsgi.response(202)
@wsgi.action('revertResize')
def _action_revert_resize(self, req, id, body):
context = req.environ['nova.context']
instance = self._get_server(context, req, id)
try:
self.compute_api.revert_resize(context, instance)
except exception.MigrationNotFound:
msg = _("Instance has not been resized.")
raise exc.HTTPBadRequest(explanation=msg)
except exception.FlavorNotFound:
msg = _("Flavor used by the instance could not be found.")
raise exc.HTTPBadRequest(explanation=msg)
except exception.InstanceIsLocked as e:
raise exc.HTTPConflict(explanation=e.format_message())
except exception.InstanceInvalidState as state_error:
common.raise_http_conflict_for_instance_invalid_state(state_error,
'revertResize', id)
return webob.Response(status_int=202)
@wsgi.response(202)
@wsgi.action('reboot')
def _action_reboot(self, req, id, body):
if 'reboot' in body and 'type' in body['reboot']:
if not isinstance(body['reboot']['type'], six.string_types):
msg = _("Argument 'type' for reboot must be a string")
LOG.error(msg)
raise exc.HTTPBadRequest(explanation=msg)
valid_reboot_types = ['HARD', 'SOFT']
reboot_type = body['reboot']['type'].upper()
if not valid_reboot_types.count(reboot_type):
msg = _("Argument 'type' for reboot is not HARD or SOFT")
LOG.error(msg)
raise exc.HTTPBadRequest(explanation=msg)
else:
msg = _("Missing argument 'type' for reboot")
LOG.error(msg)
raise exc.HTTPBadRequest(explanation=msg)
context = req.environ['nova.context']
instance = self._get_server(context, req, id)
try:
self.compute_api.reboot(context, instance, reboot_type)
except exception.InstanceIsLocked as e:
raise exc.HTTPConflict(explanation=e.format_message())
except exception.InstanceInvalidState as state_error:
common.raise_http_conflict_for_instance_invalid_state(state_error,
'reboot', id)
return webob.Response(status_int=202)
def _resize(self, req, instance_id, flavor_id, **kwargs):
"""Begin the resize process with given instance/flavor."""
context = req.environ["nova.context"]
instance = self._get_server(context, req, instance_id)
try:
self.compute_api.resize(context, instance, flavor_id, **kwargs)
except exception.QuotaError as error:
raise exc.HTTPForbidden(
explanation=error.format_message(),
headers={'Retry-After': 0})
except exception.FlavorNotFound:
msg = _("Unable to locate requested flavor.")
raise exc.HTTPBadRequest(explanation=msg)
except exception.CannotResizeToSameFlavor:
msg = _("Resize requires a flavor change.")
raise exc.HTTPBadRequest(explanation=msg)
except exception.CannotResizeDisk as e:
raise exc.HTTPBadRequest(explanation=e.format_message())
except exception.InstanceIsLocked as e:
raise exc.HTTPConflict(explanation=e.format_message())
except exception.InstanceInvalidState as state_error:
common.raise_http_conflict_for_instance_invalid_state(state_error,
'resize', instance_id)
except exception.ImageNotAuthorized:
msg = _("You are not authorized to access the image "
"the instance was started with.")
raise exc.HTTPUnauthorized(explanation=msg)
except exception.ImageNotFound:
msg = _("Image that the instance was started "
"with could not be found.")
raise exc.HTTPBadRequest(explanation=msg)
except (exception.NoValidHost,
exception.AutoDiskConfigDisabledByImage) as e:
raise exc.HTTPBadRequest(explanation=e.format_message())
except exception.Invalid:
msg = _("Invalid instance image.")
raise exc.HTTPBadRequest(explanation=msg)
return webob.Response(status_int=202)
@wsgi.response(204)
def delete(self, req, id):
"""Destroys a server."""
try:
self._delete(req.environ['nova.context'], req, id)
except exception.NotFound:
msg = _("Instance could not be found")
raise exc.HTTPNotFound(explanation=msg)
except exception.InstanceIsLocked as e:
raise exc.HTTPConflict(explanation=e.format_message())
except exception.InstanceInvalidState as state_error:
common.raise_http_conflict_for_instance_invalid_state(state_error,
'delete', id)
def _image_ref_from_req_data(self, data):
try:
return unicode(data['server']['imageRef'])
except (TypeError, KeyError):
msg = _("Missing imageRef attribute")
raise exc.HTTPBadRequest(explanation=msg)
def _image_uuid_from_href(self, image_href):
if not image_href:
msg = _("Invalid imageRef provided.")
raise exc.HTTPBadRequest(explanation=msg)
# If the image href was generated by nova api, strip image_href
# down to an id and use the default glance connection params
image_uuid = image_href.split('/').pop()
if not uuidutils.is_uuid_like(image_uuid):
msg = _("Invalid imageRef provided.")
raise exc.HTTPBadRequest(explanation=msg)
return image_uuid
def _image_from_req_data(self, data):
"""Get image data from the request or raise appropriate
exceptions
If no image is supplied - checks to see if there is
block devices set and proper extesions loaded.
"""
image_ref = data['server'].get('imageRef')
bdm = data['server'].get('block_device_mapping')
bdm_v2 = data['server'].get('block_device_mapping_v2')
if (not image_ref and (
(bdm and self.ext_mgr.is_loaded('os-volumes')) or
(bdm_v2 and
self.ext_mgr.is_loaded('os-block-device-mapping-v2-boot')))):
return ''
else:
image_href = self._image_ref_from_req_data(data)
image_uuid = self._image_uuid_from_href(image_href)
return image_uuid
def _flavor_id_from_req_data(self, data):
try:
flavor_ref = data['server']['flavorRef']
except (TypeError, KeyError):
msg = _("Missing flavorRef attribute")
raise exc.HTTPBadRequest(explanation=msg)
try:
return common.get_id_from_href(flavor_ref)
except ValueError:
msg = _("Invalid flavorRef provided.")
raise exc.HTTPBadRequest(explanation=msg)
@wsgi.response(202)
@wsgi.action('changePassword')
def _action_change_password(self, req, id, body):
context = req.environ['nova.context']
if (not body.get('changePassword')
or 'adminPass' not in body['changePassword']):
msg = _("No adminPass was specified")
raise exc.HTTPBadRequest(explanation=msg)
password = self._get_server_admin_password(body['changePassword'])
server = self._get_server(context, req, id)
try:
self.compute_api.set_admin_password(context, server, password)
except exception.InstancePasswordSetFailed as e:
raise exc.HTTPConflict(explanation=e.format_message())
except exception.InstanceInvalidState as e:
raise common.raise_http_conflict_for_instance_invalid_state(
e, 'changePassword', id)
except NotImplementedError:
msg = _("Unable to set password on instance")
raise exc.HTTPNotImplemented(explanation=msg)
return webob.Response(status_int=202)
def _validate_metadata(self, metadata):
"""Ensure that we can work with the metadata given."""
try:
metadata.iteritems()
except AttributeError:
msg = _("Unable to parse metadata key/value pairs.")
LOG.debug(msg)
raise exc.HTTPBadRequest(explanation=msg)
@wsgi.response(202)
@wsgi.action('resize')
def _action_resize(self, req, id, body):
"""Resizes a given instance to the flavor size requested."""
try:
flavor_ref = str(body["resize"]["flavorRef"])
if not flavor_ref:
msg = _("Resize request has invalid 'flavorRef' attribute.")
raise exc.HTTPBadRequest(explanation=msg)
except (KeyError, TypeError):
msg = _("Resize requests require 'flavorRef' attribute.")
raise exc.HTTPBadRequest(explanation=msg)
kwargs = {}
if 'auto_disk_config' in body['resize']:
kwargs['auto_disk_config'] = body['resize']['auto_disk_config']
return self._resize(req, id, flavor_ref, **kwargs)
@wsgi.response(202)
@wsgi.action('rebuild')
def _action_rebuild(self, req, id, body):
"""Rebuild an instance with the given attributes."""
body = body['rebuild']
try:
image_href = body["imageRef"]
except (KeyError, TypeError):
msg = _("Could not parse imageRef from request.")
raise exc.HTTPBadRequest(explanation=msg)
image_href = self._image_uuid_from_href(image_href)
password = self._get_server_admin_password(body)
context = req.environ['nova.context']
instance = self._get_server(context, req, id)
attr_map = {
'personality': 'files_to_inject',
'name': 'display_name',
'accessIPv4': 'access_ip_v4',
'accessIPv6': 'access_ip_v6',
'metadata': 'metadata',
'auto_disk_config': 'auto_disk_config',
}
kwargs = {}
# take the preserve_ephemeral value into account only when the
# corresponding extension is active
if (self.ext_mgr.is_loaded('os-preserve-ephemeral-rebuild')
and 'preserve_ephemeral' in body):
kwargs['preserve_ephemeral'] = strutils.bool_from_string(
body['preserve_ephemeral'], strict=True)
if 'accessIPv4' in body:
self._validate_access_ipv4(body['accessIPv4'])
if 'accessIPv6' in body:
self._validate_access_ipv6(body['accessIPv6'])
if 'name' in body:
self._validate_server_name(body['name'])
for request_attribute, instance_attribute in attr_map.items():
try:
kwargs[instance_attribute] = body[request_attribute]
except (KeyError, TypeError):
pass
self._validate_metadata(kwargs.get('metadata', {}))
if 'files_to_inject' in kwargs:
personality = kwargs.pop('files_to_inject')
files_to_inject = self._get_injected_files(personality)