110 lines
3.8 KiB
Python
110 lines
3.8 KiB
Python
# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from __future__ import print_function
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import argparse
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import json
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import requests
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import six
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_DEFAULT_URL = 'http://127.0.0.1:5050/v1'
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def _prepare(base_url, auth_token):
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base_url = base_url.rstrip('/')
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if not base_url.endswith('v1'):
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base_url += '/v1'
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headers = {'X-Auth-Token': auth_token}
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return base_url, headers
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def introspect(uuid, base_url=_DEFAULT_URL, auth_token=''):
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"""Start introspection for a node.
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:param uuid: node uuid
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:param base_url: *ironic-discoverd* URL in form: http://host:port[/ver],
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defaults to ``http://127.0.0.1:5050/v1``.
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:param auth_token: Keystone authentication token.
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"""
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if not isinstance(uuid, six.string_types):
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raise TypeError("Expected string for uuid argument, got %r" % uuid)
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base_url, headers = _prepare(base_url, auth_token)
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res = requests.post("%s/introspection/%s" % (base_url, uuid),
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headers=headers)
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res.raise_for_status()
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def get_status(uuid, base_url=_DEFAULT_URL, auth_token=''):
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"""Get introspection status for a node.
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New in ironic-discoverd version 1.0.0.
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:param uuid: node uuid.
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:param base_url: *ironic-discoverd* URL in form: http://host:port[/ver],
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defaults to ``http://127.0.0.1:5050/v1``.
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:param auth_token: Keystone authentication token.
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:raises: *requests* library HTTP errors.
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"""
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if not isinstance(uuid, six.string_types):
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raise TypeError("Expected string for uuid argument, got %r" % uuid)
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base_url, headers = _prepare(base_url, auth_token)
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res = requests.get("%s/introspection/%s" % (base_url, uuid),
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headers=headers)
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res.raise_for_status()
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return res.json()
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def discover(uuids, base_url=_DEFAULT_URL, auth_token=''):
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"""Post node UUID's for discovery.
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DEPRECATED. Use introspect instead.
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"""
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if not all(isinstance(s, six.string_types) for s in uuids):
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raise TypeError("Expected list of strings for uuids argument, got %s" %
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uuids)
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base_url, headers = _prepare(base_url, auth_token)
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headers['Content-Type'] = 'application/json'
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res = requests.post(base_url + "/discover",
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data=json.dumps(uuids), headers=headers)
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res.raise_for_status()
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if __name__ == '__main__': # pragma: no cover
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parser = argparse.ArgumentParser(description='Discover nodes.')
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parser.add_argument('cmd', metavar='cmd',
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choices=['introspect', 'get_status'],
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help='command: introspect or get_status.')
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parser.add_argument('uuid', metavar='UUID', type=str,
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help='node UUID.')
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parser.add_argument('--base-url', dest='base_url', action='store',
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default=_DEFAULT_URL,
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help='base URL, default to localhost.')
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parser.add_argument('--auth-token', dest='auth_token', action='store',
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default='',
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help='Keystone token.')
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args = parser.parse_args()
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func = globals()[args.cmd]
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try:
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res = func(uuid=args.uuid, base_url=args.base_url,
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auth_token=args.auth_token)
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except Exception as exc:
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print('Error:', exc)
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else:
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if res:
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print(res)
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