/
servers.py
1352 lines (1132 loc) · 52.6 KB
/
servers.py
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# Copyright 2010 OpenStack LLC.
# 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 socket
import webob
from webob import exc
from xml.dom import minidom
from nova.api.openstack import common
from nova.api.openstack.compute import ips
from nova.api.openstack.compute.views import servers as views_servers
from nova.api.openstack import wsgi
from nova.api.openstack import xmlutil
from nova import compute
from nova.compute import instance_types
from nova import exception
from nova import flags
from nova.network.quantumv2 import api as quantum_api
from nova.openstack.common import importutils
from nova.openstack.common import log as logging
from nova.openstack.common.rpc import common as rpc_common
from nova.openstack.common import timeutils
from nova import utils
LOG = logging.getLogger(__name__)
FLAGS = flags.FLAGS
def make_fault(elem):
fault = xmlutil.SubTemplateElement(elem, 'fault', selector='fault')
fault.set('code')
fault.set('created')
msg = xmlutil.SubTemplateElement(fault, 'message')
msg.text = 'message'
det = xmlutil.SubTemplateElement(fault, 'details')
det.text = 'details'
def make_server(elem, detailed=False):
elem.set('name')
elem.set('id')
if detailed:
elem.set('userId', 'user_id')
elem.set('tenantId', 'tenant_id')
elem.set('updated')
elem.set('created')
elem.set('hostId')
elem.set('accessIPv4')
elem.set('accessIPv6')
elem.set('status')
elem.set('progress')
elem.set('reservation_id')
# Attach image node
image = xmlutil.SubTemplateElement(elem, 'image', selector='image')
image.set('id')
xmlutil.make_links(image, 'links')
# Attach flavor node
flavor = xmlutil.SubTemplateElement(elem, 'flavor', selector='flavor')
flavor.set('id')
xmlutil.make_links(flavor, 'links')
# Attach fault node
make_fault(elem)
# Attach metadata node
elem.append(common.MetadataTemplate())
# Attach addresses node
elem.append(ips.AddressesTemplate())
xmlutil.make_links(elem, 'links')
server_nsmap = {None: xmlutil.XMLNS_V11, 'atom': xmlutil.XMLNS_ATOM}
class ServerTemplate(xmlutil.TemplateBuilder):
def construct(self):
root = xmlutil.TemplateElement('server', selector='server')
make_server(root, detailed=True)
return xmlutil.MasterTemplate(root, 1, nsmap=server_nsmap)
class MinimalServersTemplate(xmlutil.TemplateBuilder):
def construct(self):
root = xmlutil.TemplateElement('servers')
elem = xmlutil.SubTemplateElement(root, 'server', selector='servers')
make_server(elem)
xmlutil.make_links(root, 'servers_links')
return xmlutil.MasterTemplate(root, 1, nsmap=server_nsmap)
class ServersTemplate(xmlutil.TemplateBuilder):
def construct(self):
root = xmlutil.TemplateElement('servers')
elem = xmlutil.SubTemplateElement(root, 'server', selector='servers')
make_server(elem, detailed=True)
return xmlutil.MasterTemplate(root, 1, nsmap=server_nsmap)
class ServerAdminPassTemplate(xmlutil.TemplateBuilder):
def construct(self):
root = xmlutil.TemplateElement('server')
root.set('adminPass')
return xmlutil.SlaveTemplate(root, 1, nsmap=server_nsmap)
def FullServerTemplate():
master = ServerTemplate()
master.attach(ServerAdminPassTemplate())
return master
class CommonDeserializer(wsgi.MetadataXMLDeserializer):
"""Common deserializer to handle xml-formatted server create requests.
Handles standard server attributes as well as optional metadata
and personality attributes
"""
metadata_deserializer = common.MetadataXMLDeserializer()
def _extract_personality(self, server_node):
"""Marshal the personality attribute of a parsed request."""
node = self.find_first_child_named(server_node, "personality")
if node is not None:
personality = []
for file_node in self.find_children_named(node, "file"):
item = {}
if file_node.hasAttribute("path"):
item["path"] = file_node.getAttribute("path")
item["contents"] = self.extract_text(file_node)
personality.append(item)
return personality
else:
return None
def _extract_server(self, node):
"""Marshal the server attribute of a parsed request."""
server = {}
server_node = self.find_first_child_named(node, 'server')
attributes = ["name", "imageRef", "flavorRef", "adminPass",
"accessIPv4", "accessIPv6", "key_name",
"availability_zone", "min_count", "max_count"]
for attr in attributes:
if server_node.getAttribute(attr):
server[attr] = server_node.getAttribute(attr)
res_id = server_node.getAttribute('return_reservation_id')
if res_id:
server['return_reservation_id'] = utils.bool_from_str(res_id)
scheduler_hints = self._extract_scheduler_hints(server_node)
if scheduler_hints:
server['OS-SCH-HNT:scheduler_hints'] = scheduler_hints
metadata_node = self.find_first_child_named(server_node, "metadata")
if metadata_node is not None:
server["metadata"] = self.extract_metadata(metadata_node)
user_data_node = self.find_first_child_named(server_node, "user_data")
if user_data_node is not None:
server["user_data"] = self.extract_text(user_data_node)
personality = self._extract_personality(server_node)
if personality is not None:
server["personality"] = personality
networks = self._extract_networks(server_node)
if networks is not None:
server["networks"] = networks
security_groups = self._extract_security_groups(server_node)
if security_groups is not None:
server["security_groups"] = security_groups
# NOTE(vish): this is not namespaced in json, so leave it without a
# namespace for now
block_device_mapping = self._extract_block_device_mapping(server_node)
if block_device_mapping is not None:
server["block_device_mapping"] = block_device_mapping
# NOTE(vish): Support this incorrect version because it was in the code
# base for a while and we don't want to accidentally break
# anyone that might be using it.
auto_disk_config = server_node.getAttribute('auto_disk_config')
if auto_disk_config:
server['OS-DCF:diskConfig'] = utils.bool_from_str(auto_disk_config)
auto_disk_config = server_node.getAttribute('OS-DCF:diskConfig')
if auto_disk_config:
server['OS-DCF:diskConfig'] = utils.bool_from_str(auto_disk_config)
return server
def _extract_block_device_mapping(self, server_node):
"""Marshal the block_device_mapping node of a parsed request"""
node = self.find_first_child_named(server_node, "block_device_mapping")
if node:
block_device_mapping = []
for child in self.extract_elements(node):
if child.nodeName != "mapping":
continue
mapping = {}
attributes = ["volume_id", "snapshot_id", "device_name",
"virtual_name", "volume_size"]
for attr in attributes:
value = child.getAttribute(attr)
if value:
mapping[attr] = value
attributes = ["delete_on_termination", "no_device"]
for attr in attributes:
value = child.getAttribute(attr)
if value:
mapping[attr] = utils.bool_from_str(value)
block_device_mapping.append(mapping)
return block_device_mapping
else:
return None
def _extract_scheduler_hints(self, server_node):
"""Marshal the scheduler hints attribute of a parsed request"""
node = self.find_first_child_named(server_node,
"OS-SCH-HNT:scheduler_hints")
# NOTE(vish): Support the os: prefix because it is what we use
# for json, even though OS-SCH-HNT: is more correct
if not node:
node = self.find_first_child_named(server_node,
"os:scheduler_hints")
if node:
scheduler_hints = {}
for child in self.extract_elements(node):
scheduler_hints.setdefault(child.nodeName, [])
value = self.extract_text(child).strip()
scheduler_hints[child.nodeName].append(value)
return scheduler_hints
else:
return None
def _extract_networks(self, server_node):
"""Marshal the networks attribute of a parsed request."""
node = self.find_first_child_named(server_node, "networks")
if node is not None:
networks = []
for network_node in self.find_children_named(node,
"network"):
item = {}
if network_node.hasAttribute("uuid"):
item["uuid"] = network_node.getAttribute("uuid")
if network_node.hasAttribute("fixed_ip"):
item["fixed_ip"] = network_node.getAttribute("fixed_ip")
if network_node.hasAttribute("port"):
item["port"] = network_node.getAttribute("port")
networks.append(item)
return networks
else:
return None
def _extract_security_groups(self, server_node):
"""Marshal the security_groups attribute of a parsed request."""
node = self.find_first_child_named(server_node, "security_groups")
if node is not None:
security_groups = []
for sg_node in self.find_children_named(node, "security_group"):
item = {}
name = self.find_attribute_or_element(sg_node, 'name')
if name:
item["name"] = name
security_groups.append(item)
return security_groups
else:
return None
class ActionDeserializer(CommonDeserializer):
"""Deserializer to handle xml-formatted server action requests.
Handles standard server attributes as well as optional metadata
and personality attributes
"""
def default(self, string):
dom = minidom.parseString(string)
action_node = dom.childNodes[0]
action_name = action_node.tagName
action_deserializer = {
'createImage': self._action_create_image,
'changePassword': self._action_change_password,
'reboot': self._action_reboot,
'rebuild': self._action_rebuild,
'resize': self._action_resize,
'confirmResize': self._action_confirm_resize,
'revertResize': self._action_revert_resize,
}.get(action_name, super(ActionDeserializer, self).default)
action_data = action_deserializer(action_node)
return {'body': {action_name: action_data}}
def _action_create_image(self, node):
return self._deserialize_image_action(node, ('name',))
def _action_change_password(self, node):
if not node.hasAttribute("adminPass"):
raise AttributeError("No adminPass was specified in request")
return {"adminPass": node.getAttribute("adminPass")}
def _action_reboot(self, node):
if not node.hasAttribute("type"):
raise AttributeError("No reboot type was specified in request")
return {"type": node.getAttribute("type")}
def _action_rebuild(self, node):
rebuild = {}
if node.hasAttribute("name"):
name = node.getAttribute("name")
if not name:
raise AttributeError("Name cannot be blank")
rebuild['name'] = name
if node.hasAttribute("auto_disk_config"):
rebuild['auto_disk_config'] = node.getAttribute("auto_disk_config")
metadata_node = self.find_first_child_named(node, "metadata")
if metadata_node is not None:
rebuild["metadata"] = self.extract_metadata(metadata_node)
personality = self._extract_personality(node)
if personality is not None:
rebuild["personality"] = personality
if not node.hasAttribute("imageRef"):
raise AttributeError("No imageRef was specified in request")
rebuild["imageRef"] = node.getAttribute("imageRef")
if node.hasAttribute("adminPass"):
rebuild["adminPass"] = node.getAttribute("adminPass")
if node.hasAttribute("accessIPv4"):
rebuild["accessIPv4"] = node.getAttribute("accessIPv4")
if node.hasAttribute("accessIPv6"):
rebuild["accessIPv6"] = node.getAttribute("accessIPv6")
return rebuild
def _action_resize(self, node):
resize = {}
if node.hasAttribute("flavorRef"):
resize["flavorRef"] = node.getAttribute("flavorRef")
else:
raise AttributeError("No flavorRef was specified in request")
if node.hasAttribute("auto_disk_config"):
resize['auto_disk_config'] = node.getAttribute("auto_disk_config")
return resize
def _action_confirm_resize(self, node):
return None
def _action_revert_resize(self, node):
return None
def _deserialize_image_action(self, node, allowed_attributes):
data = {}
for attribute in allowed_attributes:
value = node.getAttribute(attribute)
if value:
data[attribute] = value
metadata_node = self.find_first_child_named(node, 'metadata')
if metadata_node is not None:
metadata = self.metadata_deserializer.extract_metadata(
metadata_node)
data['metadata'] = metadata
return data
class CreateDeserializer(CommonDeserializer):
"""Deserializer to handle xml-formatted server create requests.
Handles standard server attributes as well as optional metadata
and personality attributes
"""
def default(self, string):
"""Deserialize an xml-formatted server create request."""
dom = minidom.parseString(string)
server = self._extract_server(dom)
return {'body': {'server': server}}
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'] = link[0]['href'].encode('utf-8')
# 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
@wsgi.serializers(xml=MinimalServersTemplate)
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=str(err))
except exception.NotFound:
msg = _("Instance could not be found")
raise exc.HTTPNotFound(explanation=msg)
return servers
@wsgi.serializers(xml=ServersTemplate)
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=str(err))
except exception.NotFound as err:
msg = _("Instance could not be found")
raise exc.HTTPNotFound(explanation=msg)
return servers
def _add_instance_faults(self, ctxt, instances):
faults = self.compute_api.get_instance_faults(ctxt, instances)
if faults is not None:
for instance in instances:
faults_list = faults.get(instance['uuid'], [])
try:
instance['fault'] = faults_list[0]
except IndexError:
pass
return instances
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 for compute_api.
status = search_opts.pop('status', None)
if status is not None:
state = common.vm_state_from_status(status)
if state is None:
msg = _('Invalid server status: %(status)s') % locals()
raise exc.HTTPBadRequest(explanation=msg)
search_opts['vm_state'] = 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.HTTPBadRequest(explanation=msg)
# NOTE(dprince) This prevents computes' get_all() from returning
# instances from multiple tenants when an admin accounts is used.
# By default non-admin accounts are always limited to project/user
# both here and in the compute API.
if not context.is_admin or (context.is_admin and 'all_tenants'
not in search_opts):
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)
try:
instance_list = self.compute_api.get_all(context,
search_opts=search_opts,
limit=limit,
marker=marker)
except exception.MarkerNotFound as e:
msg = _('marker [%s] not found') % marker
raise webob.exc.HTTPBadRequest(explanation=msg)
if is_detail:
self._add_instance_faults(context, instance_list)
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."""
try:
instance = self.compute_api.get(context, instance_uuid)
except exception.NotFound:
msg = _("Instance could not be found")
raise exc.HTTPNotFound(explanation=msg)
req.cache_db_instance(instance)
return instance
def _validate_server_name(self, value):
if not isinstance(value, basestring):
msg = _("Server name is not a string or unicode")
raise exc.HTTPBadRequest(explanation=msg)
if not value.strip():
msg = _("Server name is an empty string")
raise exc.HTTPBadRequest(explanation=msg)
if not len(value) < 256:
msg = _("Server name must be less than 256 characters.")
raise exc.HTTPBadRequest(explanation=msg)
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)
contents = self._decode_base64(contents)
if 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 _is_quantum_v2(self):
return issubclass(
importutils.import_class(FLAGS.network_api_class),
quantum_api.API
)
def _get_requested_networks(self, requested_networks):
"""Create a list of requested networks from the networks attribute."""
networks = []
for network in requested_networks:
try:
port_id = network.get('port', None)
if port_id:
network_uuid = None
if not self._is_quantum_v2():
# port parameter is only for qunatum v2.0
msg = _("Unknown argment : port")
raise exc.HTTPBadRequest(explanation=msg)
if not utils.is_uuid_like(port_id):
msg = _("Bad port format: port uuid is "
"not in proper format "
"(%s)") % port_id
raise exc.HTTPBadRequest(explanation=msg)
else:
network_uuid = network['uuid']
if not port_id and not utils.is_uuid_like(network_uuid):
br_uuid = network_uuid.split('-', 1)[-1]
if not utils.is_uuid_like(br_uuid):
msg = _("Bad networks format: network uuid is "
"not in proper format "
"(%s)") % network_uuid
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
address = network.get('fixed_ip', None)
if address is not None and not utils.is_valid_ipv4(address):
msg = _("Invalid fixed IP address (%s)") % address
raise exc.HTTPBadRequest(explanation=msg)
# For quantumv2, requestd_networks
# should be tuple of (network_uuid, fixed_ip, port_id)
if self._is_quantum_v2():
networks.append((network_uuid, address, port_id))
else:
# check if the network id is already present in the list,
# we don't want duplicate networks to be passed
# at the boot time
for id, ip in networks:
if id == network_uuid:
expl = (_("Duplicate networks"
" (%s) are not allowed") %
network_uuid)
raise exc.HTTPBadRequest(explanation=expl)
networks.append((network_uuid, address))
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 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_user_data(self, user_data):
"""Check if the user_data is encoded properly."""
if not user_data:
return
if self._decode_base64(user_data) is None:
expl = _('Userdata content cannot be decoded')
raise exc.HTTPBadRequest(explanation=expl)
def _validate_access_ipv4(self, address):
try:
socket.inet_aton(address)
except socket.error:
expl = _('accessIPv4 is not proper IPv4 format')
raise exc.HTTPBadRequest(explanation=expl)
def _validate_access_ipv6(self, address):
try:
socket.inet_pton(socket.AF_INET6, address)
except socket.error:
expl = _('accessIPv6 is not proper IPv6 format')
raise exc.HTTPBadRequest(explanation=expl)
@wsgi.serializers(xml=ServerTemplate)
def show(self, req, id):
"""Returns server details by server id."""
try:
context = req.environ['nova.context']
instance = self.compute_api.get(context, id)
req.cache_db_instance(instance)
self._add_instance_faults(context, [instance])
return self._view_builder.show(req, instance)
except exception.NotFound:
msg = _("Instance could not be found")
raise exc.HTTPNotFound(explanation=msg)
@wsgi.response(202)
@wsgi.serializers(xml=FullServerTemplate)
@wsgi.deserializers(xml=CreateDeserializer)
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 not 'name' 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_href = self._image_ref_from_req_data(body)
image_href = self._image_uuid_from_href(image_href)
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:
sg_names = [sg['name'] for sg in security_groups
if sg.get('name')]
if not sg_names:
sg_names.append('default')
sg_names = list(set(sg_names))
requested_networks = None
if self.ext_mgr.is_loaded('os-networks'):
requested_networks = server_dict.get('networks')
if requested_networks is not None:
requested_networks = self._get_requested_networks(
requested_networks)
(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)
try:
flavor_id = self._flavor_id_from_req_data(body)
except ValueError as error:
msg = _("Invalid flavorRef provided.")
raise exc.HTTPBadRequest(explanation=msg)
# optional openstack extensions:
key_name = None
if self.ext_mgr.is_loaded('os-keypairs'):
key_name = server_dict.get('key_name')
user_data = None
if self.ext_mgr.is_loaded('os-user-data'):
user_data = server_dict.get('user_data')
self._validate_user_data(user_data)
availability_zone = None
if self.ext_mgr.is_loaded('os-availability-zone'):
availability_zone = server_dict.get('availability_zone')
block_device_mapping = None
if self.ext_mgr.is_loaded('os-volumes'):
block_device_mapping = server_dict.get('block_device_mapping')
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 = int(min_count)
except ValueError:
raise webob.exc.HTTPBadRequest(_('min_count must be an '
'integer value'))
if min_count < 1:
raise webob.exc.HTTPBadRequest(_('min_count must be > 0'))
try:
max_count = int(max_count)
except ValueError:
raise webob.exc.HTTPBadRequest(_('max_count must be an '
'integer value'))
if max_count < 1:
raise webob.exc.HTTPBadRequest(_('max_count must be > 0'))
if min_count > max_count:
raise webob.exc.HTTPBadRequest(_('min_count must be <= max_count'))
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', {})
try:
_get_inst_type = instance_types.get_instance_type_by_flavor_id
inst_type = _get_inst_type(flavor_id, read_deleted="no")
(instances, resv_id) = self.compute_api.create(context,
inst_type,
image_href,
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)
except exception.QuotaError as error:
raise exc.HTTPRequestEntityTooLarge(explanation=unicode(error),
headers={'Retry-After': 0})
except exception.InstanceTypeMemoryTooSmall as error:
raise exc.HTTPBadRequest(explanation=unicode(error))
except exception.InstanceTypeNotFound as error:
raise exc.HTTPBadRequest(explanation=unicode(error))
except exception.InstanceTypeDiskTooSmall as error:
raise exc.HTTPBadRequest(explanation=unicode(error))
except exception.InvalidMetadata as error:
raise exc.HTTPBadRequest(explanation=unicode(error))
except exception.InvalidMetadataSize as error:
raise exc.HTTPRequestEntityTooLarge(explanation=unicode(error))
except exception.ImageNotFound as error:
msg = _("Can not find requested image")
raise exc.HTTPBadRequest(explanation=msg)
except exception.FlavorNotFound as error:
msg = _("Invalid flavorRef provided.")
raise exc.HTTPBadRequest(explanation=msg)
except exception.KeypairNotFound as error:
msg = _("Invalid key_name provided.")
raise exc.HTTPBadRequest(explanation=msg)
except exception.SecurityGroupNotFound as error:
raise exc.HTTPBadRequest(explanation=unicode(error))
except rpc_common.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" % unicode(error)
raise exc.HTTPBadRequest(explanation=msg)
# Let the caller deal with unhandled exceptions.
# If the caller wanted a reservation_id, return it
# NOTE(treinish): XML serialization will not work without a root
# selector of 'server' however JSON return is not expecting a server
# field/object
if ret_resv_id and (req.get_content_type() == 'application/xml'):
return {'server': {'reservation_id': resv_id}}
elif ret_resv_id:
return {'reservation_id': resv_id}
req.cache_db_instances(instances)
server = self._view_builder.create(req, instances[0])
if '_is_precooked' in server['server'].keys():
del server['server']['_is_precooked']
else:
if FLAGS.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 FLAGS.reclaim_instance_interval:
self.compute_api.soft_delete(context, instance)
else:
self.compute_api.delete(context, instance)
@wsgi.serializers(xml=ServerTemplate)
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 is None:
access_ipv4 = ''
if access_ipv4:
self._validate_access_ipv4(access_ipv4)
update_dict['access_ip_v4'] = access_ipv4.strip()
if 'accessIPv6' in body['server']:
access_ipv6 = body['server']['accessIPv6']
if access_ipv6 is None:
access_ipv6 = ''
if access_ipv6:
self._validate_access_ipv6(access_ipv6)
update_dict['access_ip_v6'] = access_ipv6.strip()
if 'auto_disk_config' in body['server']:
auto_disk_config = utils.bool_from_str(
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)
try:
instance = self.compute_api.get(ctxt, id)
req.cache_db_instance(instance)
self.compute_api.update(ctxt, instance, **update_dict)
except exception.NotFound:
msg = _("Instance could not be found")
raise exc.HTTPNotFound(explanation=msg)
instance.update(update_dict)
self._add_instance_faults(ctxt, [instance])
return self._view_builder.show(req, instance)
@wsgi.response(202)
@wsgi.serializers(xml=FullServerTemplate)
@wsgi.deserializers(xml=ActionDeserializer)
@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.InstanceInvalidState as state_error:
common.raise_http_conflict_for_instance_invalid_state(state_error,
'confirmResize')
except Exception, e:
LOG.exception(_("Error in confirm-resize %s"), e)
raise exc.HTTPBadRequest()
return exc.HTTPNoContent()
@wsgi.response(202)