def _get(self, resource_id, fields=None, os_ironic_api_version=None):
"""Retrieve a resource.
:param resource_id: Identifier of the resource.
:param fields: List of specific fields to be returned.
:param os_ironic_api_version: String version (e.g. "1.35") to use for
the request. If not specified, the client's default is used.
:raises exc.ValidationError: For invalid resource_id arg value.
"""
if not resource_id:
raise exc.ValidationError(
"The identifier argument is invalid. "
"Value provided: {!r}".format(resource_id))
if fields is not None:
resource_id = '%s?fields=' % resource_id
resource_id += ','.join(fields)
try:
return self._list(
self._path(resource_id),
os_ironic_api_version=os_ironic_api_version)[0]
except IndexError:
return None
def take_action(self, parsed_args):
if parsed_args.driver:
self.log.warning(_LW("This command is deprecated. Instead, use "
"'openstack baremetal node create'."))
return super(CreateBaremetal, self).take_action(parsed_args)
if not parsed_args.resource_files:
raise exc.ValidationError(_(
"If --driver is not supplied to openstack create command, "
"it is considered that it will create ironic resources from "
"one or more .json or .yaml files, but no files provided."))
create_resources.create_resources(self.app.client_manager.baremetal,
parsed_args.resource_files)
# NOTE(vdrok): CreateBaremetal is still inherited from ShowOne class,
# which requires the return value of the function to be of certain
# type, leave this workaround until creation of nodes is removed and
# then change it so that this inherits from command.Command
return tuple(), tuple()
def _get(self, resource_id, fields=None):
"""Retrieve a resource.
:param resource_id: Identifier of the resource.
:param fields: List of specific fields to be returned.
:raises exc.ValidationError: For invalid resource_id arg value.
"""
if not resource_id:
raise exc.ValidationError(
"The identifier argument is invalid. "
"Value provided: {!r}".format(resource_id))
if fields is not None:
resource_id = '%s?fields=' % resource_id
resource_id += ','.join(fields)
try:
return self._list(self._path(resource_id))[0]
except IndexError:
return None
def _http_request(self, url, method, **kwargs):
"""Send an http request with the specified characteristics.
Wrapper around request.Session.request to handle tasks such
as setting headers and error handling.
"""
# NOTE(TheJulia): self.os_ironic_api_version is reset in
# the self.negotiate_version() call if negotiation occurs.
if self.os_ironic_api_version and self._must_negotiate_version():
self.negotiate_version(self.session, None)
# Copy the kwargs so we can reuse the original in case of redirects
kwargs['headers'] = copy.deepcopy(kwargs.get('headers', {}))
kwargs['headers'].setdefault('User-Agent', USER_AGENT)
if self.os_ironic_api_version:
kwargs['headers'].setdefault('X-OpenStack-Ironic-API-Version',
self.os_ironic_api_version)
if self.auth_token:
kwargs['headers'].setdefault('X-Auth-Token', self.auth_token)
self.log_curl_request(method, url, kwargs)
# NOTE(aarefiev): This is for backwards compatibility, request
# expected body in 'data' field, previously we used httplib,
# which expected 'body' field.
body = kwargs.pop('body', None)
if body:
kwargs['data'] = body
conn_url = self._make_connection_url(url)
try:
resp = self.session.request(method, conn_url, **kwargs)
# TODO(deva): implement graceful client downgrade when connecting
# to servers that did not support microversions. Details here:
# https://specs.openstack.org/openstack/ironic-specs/specs/kilo-implemented/api-microversions.html#use-case-3b-new-client-communicating-with-a-old-ironic-user-specified # noqa
if resp.status_code == http_client.NOT_ACCEPTABLE:
negotiated_ver = self.negotiate_version(self.session, resp)
kwargs['headers']['X-OpenStack-Ironic-API-Version'] = (
negotiated_ver)
return self._http_request(url, method, **kwargs)
except requests.exceptions.RequestException as e:
message = (_("Error has occurred while handling "
"request for %(url)s: %(e)s") %
dict(url=conn_url, e=e))
# NOTE(aarefiev): not valid request(invalid url, missing schema,
# and so on), retrying is not needed.
if isinstance(e, ValueError):
raise exc.ValidationError(message)
raise exc.ConnectionRefused(message)
body_str = None
if resp.headers.get('Content-Type') == 'application/octet-stream':
body_iter = resp.iter_content(chunk_size=CHUNKSIZE)
self.log_http_response(resp)
else:
# Read body into string if it isn't obviously image data
body_str = resp.text
self.log_http_response(resp, body_str)
body_iter = six.StringIO(body_str)
if resp.status_code >= http_client.BAD_REQUEST:
error_json = _extract_error_json(body_str)
raise exc.from_response(resp, error_json.get('error_message'),
error_json.get('debuginfo'), method, url)
elif resp.status_code in (http_client.MOVED_PERMANENTLY,
http_client.FOUND, http_client.USE_PROXY):
# Redirected. Reissue the request to the new location.
return self._http_request(resp['location'], method, **kwargs)
elif resp.status_code == http_client.MULTIPLE_CHOICES:
raise exc.from_response(resp, method=method, url=url)
return resp, body_iter
