Standalone CLI: optional support for ironic-inspector

To provide a `baremetal introspection` CLI interface similar to the
existing OSC plugin, this change adds optional support for pulling
commands from ironic-inspector-client.

Change-Id: I61b82af3afdd934ed130d3d700de8ec7423a1328
This commit is contained in:
Dmitry Tantsur 2020-04-07 13:26:16 +02:00
parent 565a256f4e
commit 5e30e4dc4e
2 changed files with 108 additions and 35 deletions

View File

@ -29,6 +29,18 @@ exceptions:
Check the :doc:`OSC CLI reference </cli/osc/v1/index>` for a list of available
commands.
Inspector support
-----------------
The standalone ``baremetal`` tool optionally supports the low-level bare metal
introspection API provided by ironic-inspector_. If ironic-inspector-client_ is
installed, its commands_ are automatically available (also without the
``openstack`` prefix).
.. _ironic-inspector: https://docs.openstack.org/ironic-inspector/
.. _ironic-inspector-client: https://docs.openstack.org/python-ironic-inspector-client/
.. _commands: https://docs.openstack.org/python-ironic-inspector-client/latest/cli/index.html
Standalone usage
----------------
@ -60,6 +72,22 @@ endpoint to connect to. It can be done in three ways:
$ export OS_CLOUD=ironic
$ baremetal node list
#. `Inspector support`_ works similarly, but the ``clouds.yaml`` option is
called ``baremetal_introspection_endpoint_override``. The two endpoints can
be configured simultaneously, e.g.:
.. code-block:: bash
$ cat ~/.config/openstack/clouds.yaml
clouds:
ironic:
auth_type: none
baremetal_endpoint_override: http://127.0.0.1:6385
baremetal_introspection_endpoint_override: http://127.0.0.1:5050
$ export OS_CLOUD=ironic
$ baremetal node list
$ baremetal introspection list
.. _clouds.yaml: https://docs.openstack.org/openstacksdk/latest/user/guides/connect_from_config.html
Usage with OpenStack

View File

@ -10,12 +10,15 @@
# License for the specific language governing permissions and limitations
# under the License.
import collections
import logging
import sys
from cliff import app
from cliff import commandmanager
try:
import ironic_inspector_client
except ImportError:
ironic_inspector_client = None
from openstack import config as os_config
from osc_lib import utils
import pbr.version
@ -30,18 +33,92 @@ _DEFAULTS = {
'auth_type': 'none',
}
_TYPE = 'baremetal'
_INSPECTOR_TYPE = 'baremetal-introspection'
_DESCRIPTION = 'Bare Metal service (ironic) client'
_NAMESPACE = 'openstack.baremetal.v1'
_INSPECTOR_NAMESPACE = 'openstack.baremetal_introspection.v1'
_HELP = _("%(err)s.\n* Use --os-endpoint for standalone %(project)s.\n"
"* Use --os-auth-url and credentials for authentication.\n"
"* Use --os-cloud to load configuration from clouds.yaml\n"
"* See `%(cmd)s --help` for more details")
LOG = logging.getLogger(__name__)
ClientManager = collections.namedtuple('ClientManager', ['baremetal'])
class ClientManager(object):
def __init__(self, cloud_region, options):
self.cloud_region = cloud_region
self.options = options
self._ironic = None
self._inspector = None
@property
def baremetal(self):
if self._ironic is None:
self._ironic = self._create_ironic_client()
return self._ironic
@property
def baremetal_introspection(self):
if self._inspector is None:
self._inspector = self._create_inspector_client()
return self._inspector
def _create_ironic_client(self):
api_version = self.options.os_baremetal_api_version
allow_api_version_downgrade = False
if not api_version:
api_version = self.cloud_region.get_default_microversion(_TYPE)
if not api_version:
api_version = http.LATEST_VERSION
allow_api_version_downgrade = True
LOG.debug(
'Using bare metal API version %s, downgrade %s', api_version,
'allowed' if allow_api_version_downgrade else 'disallowed')
# NOTE(dtantsur): endpoint_override is required to respect settings in
# clouds.yaml, such as baremetal_endpoint_override.
endpoint_override = self.cloud_region.get_endpoint(_TYPE)
try:
return client.Client(
os_ironic_api_version=api_version,
allow_api_version_downgrade=allow_api_version_downgrade,
session=self.cloud_region.get_session(),
region_name=self.cloud_region.get_region_name(_TYPE),
endpoint_override=endpoint_override,
max_retries=self.options.max_retries,
retry_interval=self.options.retry_interval,
)
except exc.EndpointNotFound as e:
# Re-raise with a more obvious message.
raise exc.EndpointNotFound(_HELP % {'err': e, 'cmd': sys.argv[0],
'project': 'ironic'})
def _create_inspector_client(self):
assert ironic_inspector_client is not None, \
'BUG: _create_inspector_client called without inspector client'
# NOTE(dtantsur): endpoint_override is required to respect settings in
# clouds.yaml, such as baremetal_introspection_endpoint_override.
endpoint_override = self.cloud_region.get_endpoint(_INSPECTOR_TYPE)
try:
return ironic_inspector_client.ClientV1(
inspector_url=endpoint_override,
session=self.cloud_region.get_session(),
region_name=self.cloud_region.get_region_name(_INSPECTOR_TYPE),
)
except ironic_inspector_client.EndpointNotFound as e:
# Re-raise with a more obvious message.
raise exc.EndpointNotFound(_HELP % {'err': e, 'cmd': sys.argv[0],
'project': 'ironic-inspector'})
class CommandManager(commandmanager.CommandManager):
def load_commands(self, namespace):
super(CommandManager, self).load_commands(namespace)
if ironic_inspector_client is not None:
super(CommandManager, self).load_commands(_INSPECTOR_NAMESPACE)
# Stip the 'baremetal' prefix used in OSC
prefix = 'baremetal '
prefix_len = len(prefix)
@ -94,40 +171,8 @@ class App(app.App):
def initialize_app(self, argv):
super(App, self).initialize_app(argv)
self.cloud_region = self.config.get_one(argparse=self.options)
api_version = self.options.os_baremetal_api_version
allow_api_version_downgrade = False
if not api_version:
api_version = self.cloud_region.get_default_microversion(_TYPE)
if not api_version:
api_version = http.LATEST_VERSION
allow_api_version_downgrade = True
LOG.debug('Using API version %s, downgrade %s', api_version,
'allowed' if allow_api_version_downgrade else 'disallowed')
# NOTE(dtantsur): endpoint_override is required to respect settings in
# clouds.yaml, such as baremetal_endpoint_override.
endpoint_override = self.cloud_region.get_endpoint(_TYPE)
try:
self.client = client.Client(
os_ironic_api_version=api_version,
allow_api_version_downgrade=allow_api_version_downgrade,
session=self.cloud_region.get_session(),
region_name=self.cloud_region.get_region_name(_TYPE),
endpoint_override=endpoint_override,
max_retries=self.options.max_retries,
retry_interval=self.options.retry_interval,
)
except exc.EndpointNotFound as e:
# Re-raise with a more obvious message.
msg = _("%(err)s.\n* Use --os-endpoint for standalone ironic.\n"
"* Use --os-auth-url and credentials for authentication.\n"
"* Use --os-cloud to load configuration from clouds.yaml\n"
"* See `%(cmd)s --help` for more details")
raise exc.EndpointNotFound(msg % {'err': e, 'cmd': sys.argv[0]})
# Compatibility with OSC
self.client_manager = ClientManager(self.client)
self.client_manager = ClientManager(self.cloud_region, self.options)
def main(argv=sys.argv[1:]):