def create_resource_provider(req):
"""POST to create a resource provider.
On success return a 201 response with an empty body
(microversions 1.0 - 1.19) or a 200 response with a
payload representing the newly created resource provider
(microversions 1.20 - latest), and a location header
pointing to the resource provider.
"""
context = req.environ['placement.context']
context.can(policies.CREATE)
schema = rp_schema.POST_RESOURCE_PROVIDER_SCHEMA
want_version = req.environ[microversion.MICROVERSION_ENVIRON]
if want_version.matches((1, 14)):
schema = rp_schema.POST_RP_SCHEMA_V1_14
data = util.extract_json(req.body, schema)
if data.get('uuid'):
# Normalize UUID with no proper dashes into dashed one
# with format {8}-{4}-{4}-{4}-{12}
data['uuid'] = str(uuidlib.UUID(data['uuid']))
else:
data['uuid'] = uuidutils.generate_uuid()
data["generation"] = 0
try:
resource_provider = rp_obj.ResourceProvider(context, **data)
resource_provider.create()
except db.ClientError as e:
if "ConstraintValidationFailed" in str(e):
if "property `uuid`" in str(e):
duplicate = "uuid: %s" % data.get("uuid")
else:
duplicate = "name: %s" % data.get("name")
raise webob.exc.HTTPConflict("Conflicting resource provider "
"%(duplicate)s already exists." % {'duplicate': duplicate},
comment=errors.DUPLICATE_NAME)
else:
raise webob.exc.HTTPBadRequest("Unable to create resource "
"provider '%(rp_uuid)s': %(error)s" %
{"rp_uuid": data.get("uuid"), "error": e})
except exception.ObjectActionError as exc:
raise webob.exc.HTTPBadRequest(
'Unable to create resource provider "%(name)s", %(rp_uuid)s: '
'%(error)s' %
{'name': data['name'], 'rp_uuid': data['uuid'], 'error': exc})
req.response.location = util.resource_provider_url(
req.environ, resource_provider)
if want_version.matches(min_version=(1, 20)):
req.response.body = encodeutils.to_utf8(jsonutils.dumps(
_serialize_provider(req.environ, resource_provider, want_version)))
req.response.content_type = 'application/json'
modified = util.pick_last_modified(None, resource_provider)
req.response.last_modified = modified
req.response.cache_control = 'no-cache'
else:
req.response.status = 201
req.response.content_type = None
return req.response
def create_resource_tree(req):
"""This method accepts a nested dict that describes a tree-like
relationship among resource providers. Each node on the tree should contain
the following keys:
name: the name given to the resource. If not supplied, no name is set.
uuid: the resource's UUID. If not supplied, one will be generated.
resources: a dict of resources that this node provides directly. Each
member should be of the form `resource_class: amount`
traits: a list of traits to apply to this node.
children: a list of nodes representing the children of this node. Each
child node should be the same format dict as described here.
returns: the UUID of the root of the newly-created tree
There is no limit to the level of nesting for child resource providers.
"""
context = req.environ["placement.context"]
context.can(policies.UPDATE)
schema = rp_schema.POST_RP_TREE
want_version = req.environ[microversion.MICROVERSION_ENVIRON]
data = util.extract_json(req.body, schema)
root_rp = rp_obj.ResourceProvider.create_tree(context, data)
response = req.response
response.status = 200
req.response.location = util.resource_provider_url(req.environ, root_rp)
req.response.body = encodeutils.to_utf8(
jsonutils.dumps(
_serialize_provider(req.environ, root_rp, want_version)))
req.response.content_type = "application/json"
req.response.cache_control = "no-cache"
def test_resource_provider_url_prefix(self):
# SCRIPT_NAME represents the mount point of a WSGI
# application when it is hosted at a path/prefix.
environ = {'SCRIPT_NAME': '/placement'}
expected_url = ('/placement/resource_providers/%s'
% uuidsentinel.rp_uuid)
self.assertEqual(expected_url, util.resource_provider_url(
environ, self.resource_provider))
def create_resource_provider(req):
"""POST to create a resource provider.
On success return a 201 response with an empty body
(microversions 1.0 - 1.19) or a 200 response with a
payload representing the newly created resource provider
(microversions 1.20 - latest), and a location header
pointing to the resource provider.
"""
context = req.environ['placement.context']
context.can(policies.CREATE)
schema = rp_schema.POST_RESOURCE_PROVIDER_SCHEMA
want_version = req.environ[microversion.MICROVERSION_ENVIRON]
if want_version.matches((1, 14)):
schema = rp_schema.POST_RP_SCHEMA_V1_14
data = util.extract_json(req.body, schema)
try:
if data.get('uuid'):
# Normalize UUID with no proper dashes into dashed one
# with format {8}-{4}-{4}-{4}-{12}
data['uuid'] = str(uuidlib.UUID(data['uuid']))
else:
data['uuid'] = uuidutils.generate_uuid()
resource_provider = rp_obj.ResourceProvider(context, **data)
resource_provider.create()
except db_exc.DBDuplicateEntry as exc:
# Whether exc.columns has one or two entries (in the event
# of both fields being duplicates) appears to be database
# dependent, so going with the complete solution here.
duplicate = ', '.join(
['%s: %s' % (column, data[column]) for column in exc.columns])
raise webob.exc.HTTPConflict(
'Conflicting resource provider %(duplicate)s already exists.' %
{'duplicate': duplicate},
comment=errors.DUPLICATE_NAME)
except exception.ObjectActionError as exc:
raise webob.exc.HTTPBadRequest(
'Unable to create resource provider "%(name)s", %(rp_uuid)s: '
'%(error)s' %
{'name': data['name'], 'rp_uuid': data['uuid'], 'error': exc})
req.response.location = util.resource_provider_url(
req.environ, resource_provider)
if want_version.matches(min_version=(1, 20)):
req.response.body = encodeutils.to_utf8(jsonutils.dumps(
_serialize_provider(req.environ, resource_provider, want_version)))
req.response.content_type = 'application/json'
modified = util.pick_last_modified(None, resource_provider)
req.response.last_modified = modified
req.response.cache_control = 'no-cache'
else:
req.response.status = 201
req.response.content_type = None
return req.response
def _serialize_links(environ, resource_provider):
url = util.resource_provider_url(environ, resource_provider)
links = [{'rel': 'self', 'href': url}]
rel_types = ['inventories', 'usages']
want_version = environ[microversion.MICROVERSION_ENVIRON]
if want_version >= (1, 1):
rel_types.append('aggregates')
if want_version >= (1, 6):
rel_types.append('traits')
if want_version >= (1, 11):
rel_types.append('allocations')
for rel in rel_types:
links.append({'rel': rel, 'href': '%s/%s' % (url, rel)})
return links
def create_resource_provider(req):
"""POST to create a resource provider.
On success return a 201 response with an empty body and a location
header pointing to the newly created resource provider.
"""
context = req.environ['placement.context']
schema = rp_schema.POST_RESOURCE_PROVIDER_SCHEMA
want_version = req.environ[microversion.MICROVERSION_ENVIRON]
if want_version.matches((1, 14)):
schema = rp_schema.POST_RP_SCHEMA_V1_14
data = util.extract_json(req.body, schema)
try:
uuid = data.setdefault('uuid', uuidutils.generate_uuid())
resource_provider = rp_obj.ResourceProvider(context, **data)
resource_provider.create()
except db_exc.DBDuplicateEntry as exc:
# Whether exc.columns has one or two entries (in the event
# of both fields being duplicates) appears to be database
# dependent, so going with the complete solution here.
duplicate = ', '.join(['%s: %s' % (column, data[column])
for column in exc.columns])
raise webob.exc.HTTPConflict(
_('Conflicting resource provider %(duplicate)s already exists.') %
{'duplicate': duplicate})
except exception.ObjectActionError as exc:
raise webob.exc.HTTPBadRequest(
_('Unable to create resource provider "%(name)s", %(rp_uuid)s: '
'%(error)s') %
{'name': data['name'], 'rp_uuid': uuid, 'error': exc})
req.response.location = util.resource_provider_url(
req.environ, resource_provider)
if want_version.matches(min_version=(1, 20)):
req.response.body = encodeutils.to_utf8(jsonutils.dumps(
_serialize_provider(req.environ, resource_provider, want_version)))
req.response.content_type = 'application/json'
modified = util.pick_last_modified(None, resource_provider)
req.response.last_modified = modified
req.response.cache_control = 'no-cache'
else:
req.response.status = 201
req.response.content_type = None
return req.response
def test_resource_provider_url(self):
environ = {}
expected_url = '/resource_providers/%s' % uuidsentinel.rp_uuid
self.assertEqual(
expected_url,
util.resource_provider_url(environ, self.resource_provider))
def create_resource_provider(req):
"""POST to create a resource provider.
On success return a 201 response with an empty body
(microversions 1.0 - 1.19) or a 200 response with a
payload representing the newly created resource provider
(microversions 1.20 - latest), and a location header
pointing to the resource provider.
"""
context = req.environ['placement.context']
context.can(policies.CREATE)
schema = rp_schema.POST_RESOURCE_PROVIDER_SCHEMA
want_version = req.environ[microversion.MICROVERSION_ENVIRON]
if want_version.matches((1, 14)):
schema = rp_schema.POST_RP_SCHEMA_V1_14
data = util.extract_json(req.body, schema)
try:
if data.get('uuid'):
# Normalize UUID with no proper dashes into dashed one
# with format {8}-{4}-{4}-{4}-{12}
data['uuid'] = str(uuidlib.UUID(data['uuid']))
else:
data['uuid'] = uuidutils.generate_uuid()
resource_provider = rp_obj.ResourceProvider(context, **data)
resource_provider.create()
except db_exc.DBDuplicateEntry as exc:
# Whether exc.columns has one or two entries (in the event
# of both fields being duplicates) appears to be database
# dependent, so going with the complete solution here.
duplicates = []
for column in exc.columns:
# For MySQL, this is error 1062:
#
# Duplicate entry '%s' for key %d
#
# The 'key' value is captured in 'DBDuplicateEntry.columns'.
# Despite the name, this isn't always a column name. While MySQL
# 5.x does indeed use the name of the column, 8.x uses the name of
# the constraint. oslo.db should probably fix this, but until that
# happens we need to handle both cases
if column == 'uniq_resource_providers0uuid':
duplicates.append(f'uuid: {data["uuid"]}')
elif column == 'uniq_resource_providers0name':
duplicates.append(f'name: {data["name"]}')
else:
duplicates.append(f'{column}: {data[column]}')
raise webob.exc.HTTPConflict(
'Conflicting resource provider %(duplicate)s already exists.' %
{'duplicate': ', '.join(duplicates)},
comment=errors.DUPLICATE_NAME)
except exception.ObjectActionError as exc:
raise webob.exc.HTTPBadRequest(
'Unable to create resource provider "%(name)s", %(rp_uuid)s: '
'%(error)s' % {
'name': data['name'],
'rp_uuid': data['uuid'],
'error': exc
})
req.response.location = util.resource_provider_url(req.environ,
resource_provider)
if want_version.matches(min_version=(1, 20)):
req.response.body = encodeutils.to_utf8(
jsonutils.dumps(
_serialize_provider(req.environ, resource_provider,
want_version)))
req.response.content_type = 'application/json'
modified = util.pick_last_modified(None, resource_provider)
req.response.last_modified = modified
req.response.cache_control = 'no-cache'
else:
req.response.status = 201
req.response.content_type = None
return req.response
