metal/inventory/inventory/inventory/api/controllers/v1/system.py

267 lines
9.2 KiB
Python

#
# Copyright (c) 2018 Wind River Systems, Inc.
#
# SPDX-License-Identifier: Apache-2.0
#
from oslo_log import log
import pecan
from pecan import rest
import six
from wsme import types as wtypes
import wsmeext.pecan as wsme_pecan
from inventory.api.controllers.v1 import base
from inventory.api.controllers.v1 import collection
from inventory.api.controllers.v1 import host
from inventory.api.controllers.v1 import link
from inventory.api.controllers.v1 import types
from inventory.api.controllers.v1 import utils as api_utils
from inventory.common import constants
from inventory.common import exception
from inventory.common import k_host
from inventory import objects
LOG = log.getLogger(__name__)
VALID_VSWITCH_TYPES = [constants.VSWITCH_TYPE_OVS_DPDK]
class System(base.APIBase):
"""API representation of a system.
This class enforces type checking and value constraints, and converts
between the internal object model and the API representation of
a system.
"""
uuid = types.uuid
"The UUID of the system"
name = wtypes.text
"The name of the system"
system_type = wtypes.text
"The type of the system"
system_mode = wtypes.text
"The mode of the system"
description = wtypes.text
"The name of the system"
contact = wtypes.text
"The contact of the system"
location = wtypes.text
"The location of the system"
services = int
"The services of the system"
software_version = wtypes.text
"A textual description of the entity"
timezone = wtypes.text
"The timezone of the system"
links = [link.Link]
"A list containing a self link and associated system links"
hosts = [link.Link]
"Links to the collection of hosts contained in this system"
capabilities = {wtypes.text: api_utils.ValidTypes(wtypes.text, bool,
six.integer_types)}
"System defined capabilities"
region_name = wtypes.text
"The region name of the system"
distributed_cloud_role = wtypes.text
"The distributed cloud role of the system"
service_project_name = wtypes.text
"The service project name of the system"
security_feature = wtypes.text
"Kernel arguments associated with enabled spectre/meltdown fix features"
def __init__(self, **kwargs):
self.fields = objects.System.fields.keys()
for k in self.fields:
# Translate any special internal representation of data to its
# customer facing form
if k == 'security_feature':
# look up which customer-facing-security-feature-string goes
# with the kernel arguments tracked in sysinv
kernel_args = kwargs.get(k)
translated_string = kernel_args
for user_string, args_string in \
constants.SYSTEM_SECURITY_FEATURE_SPECTRE_MELTDOWN_OPTS.iteritems(): # noqa
if args_string == kernel_args:
translated_string = user_string
break
setattr(self, k, translated_string)
else:
# No translation required
setattr(self, k, kwargs.get(k))
@classmethod
def convert_with_links(cls, rpc_system, expand=True):
minimum_fields = ['id', 'uuid', 'name', 'system_type', 'system_mode',
'description', 'capabilities',
'contact', 'location', 'software_version',
'created_at', 'updated_at', 'timezone',
'region_name', 'service_project_name',
'distributed_cloud_role', 'security_feature']
fields = minimum_fields if not expand else None
iSystem = System.from_rpc_object(rpc_system, fields)
iSystem.links = [link.Link.make_link('self', pecan.request.host_url,
'systems', iSystem.uuid),
link.Link.make_link('bookmark',
pecan.request.host_url,
'systems', iSystem.uuid,
bookmark=True)
]
if expand:
iSystem.hosts = [
link.Link.make_link('self',
pecan.request.host_url,
'systems',
iSystem.uuid + "/hosts"),
link.Link.make_link('bookmark',
pecan.request.host_url,
'systems',
iSystem.uuid + "/hosts",
bookmark=True)]
return iSystem
class SystemCollection(collection.Collection):
"""API representation of a collection of systems."""
systems = [System]
"A list containing system objects"
def __init__(self, **kwargs):
self._type = 'systems'
@classmethod
def convert_with_links(cls, systems, limit, url=None,
expand=False, **kwargs):
collection = SystemCollection()
collection.systems = [System.convert_with_links(ch, expand)
for ch in systems]
collection.next = collection.get_next(limit, url=url, **kwargs)
return collection
LOCK_NAME = 'SystemController'
class SystemController(rest.RestController):
"""REST controller for system."""
hosts = host.HostController(from_system=True)
"Expose hosts as a sub-element of system"
_custom_actions = {
'detail': ['GET'],
}
def __init__(self):
self._bm_region = None
def _bm_region_get(self):
# only supported region type is BM_EXTERNAL
if not self._bm_region:
self._bm_region = k_host.BM_EXTERNAL
return self._bm_region
def _get_system_collection(self, marker, limit, sort_key, sort_dir,
expand=False, resource_url=None):
limit = api_utils.validate_limit(limit)
sort_dir = api_utils.validate_sort_dir(sort_dir)
marker_obj = None
if marker:
marker_obj = objects.System.get_by_uuid(pecan.request.context,
marker)
system = pecan.request.dbapi.system_get_list(limit, marker_obj,
sort_key=sort_key,
sort_dir=sort_dir)
for i in system:
i.capabilities['bm_region'] = self._bm_region_get()
return SystemCollection.convert_with_links(system, limit,
url=resource_url,
expand=expand,
sort_key=sort_key,
sort_dir=sort_dir)
@wsme_pecan.wsexpose(SystemCollection, types.uuid,
int, wtypes.text, wtypes.text)
def get_all(self, marker=None, limit=None, sort_key='id', sort_dir='asc'):
"""Retrieve a list of systems.
:param marker: pagination marker for large data sets.
:param limit: maximum number of resources to return in a single result.
:param sort_key: column to sort results by. Default: id.
:param sort_dir: direction to sort. "asc" or "desc". Default: asc.
"""
return self._get_system_collection(marker, limit, sort_key, sort_dir)
@wsme_pecan.wsexpose(SystemCollection, types.uuid, int,
wtypes.text, wtypes.text)
def detail(self, marker=None, limit=None, sort_key='id', sort_dir='asc'):
"""Retrieve a list of system with detail.
:param marker: pagination marker for large data sets.
:param limit: maximum number of resources to return in a single result.
:param sort_key: column to sort results by. Default: id.
:param sort_dir: direction to sort. "asc" or "desc". Default: asc.
"""
# /detail should only work agaist collections
parent = pecan.request.path.split('/')[:-1][-1]
if parent != "system":
raise exception.HTTPNotFound
expand = True
resource_url = '/'.join(['system', 'detail'])
return self._get_system_collection(marker, limit, sort_key, sort_dir,
expand, resource_url)
@wsme_pecan.wsexpose(System, types.uuid)
def get_one(self, system_uuid):
"""Retrieve information about the given system.
:param system_uuid: UUID of a system.
"""
rpc_system = objects.System.get_by_uuid(pecan.request.context,
system_uuid)
rpc_system.capabilities['bm_region'] = self._bm_region_get()
return System.convert_with_links(rpc_system)
@wsme_pecan.wsexpose(System, body=System)
def post(self, system):
"""Create a new system."""
raise exception.OperationNotPermitted
@wsme_pecan.wsexpose(None, types.uuid, status_code=204)
def delete(self, system_uuid):
"""Delete a system.
:param system_uuid: UUID of a system.
"""
raise exception.OperationNotPermitted