Files
python-senlinclient/senlinclient/v1/nodes.py
tengqm c999597f63 Initial version
Mostly just framework code.
2015-01-05 13:09:32 +08:00

119 lines
3.8 KiB
Python

# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import six
from six.moves.urllib import parse
from senlinclient.openstack.common.apiclient import base
class Node(base.Resource):
def __repr__(self):
return "<Node %s>" % self._info
def update(self, **fields):
self.manager.update(self, **fields)
def delete(self):
return self.manager.delete(self)
def data(self, **kwargs):
return self.manager.data(self, **kwargs)
class NodeManager(base.BaseManager):
resource_class = Node
def list(self, **kwargs):
"""Get a list of nodes.
:param limit: maximum number of nodes to return
:param marker: begin returning nodes that appear later in the
list than that represented by this node id
:param filters: dict of direct comparison filters that mimics the
structure of a node object
:rtype: list of :class:`Node`
"""
def paginate(params):
'''Paginate nodes, even if more than API limit.'''
current_limit = int(params.get('limit') or 0)
url = '/nodes?%s' % parse.urlencode(params, True)
nodes = self._list(url, 'nodes')
for node in nodes:
yield node
count = len(nodes)
remaining = current_limit - count
if remaining > 0 and count > 0:
params['limit'] = remaining
params['marker'] = node.id
for node in paginate(params):
yield node
params = {}
if 'filters' in kwargs:
filters = kwargs.pop('filters')
params.update(filters)
for key, value in six.iteritems(kwargs):
if value:
params[key] = value
return paginate(params)
def create(self, **kwargs):
headers = self.client.credentials_headers()
resp, body = self.client.json_request(
'POST',
'/nodes', data=kwargs, headers=headers)
return body
def delete(self, node_id):
self._delete('/nodes/%s' % node_id)
def update(self, node_id, kwargs):
headers = self.client.credentials_headers()
resp, body = self.client.json_request(
'PATCH',
'/nodes/%s' % node_id,
data=kwargs, headers=headers)
def get(self, node_id):
'''Get the details for a specific node.'''
resp, body = self.client.json_request(
'GET',
'/nodes/%s' % node_id)
return Node(self, body['node'])
def join(self, node_id, cluster_id):
'''Make node join the specified cluster.'''
headers = self.client.credentials_headers()
data = {'cluster_id': cluster_id}
resp, body = self.client.json_request(
'POST',
'/nodes/%s/cluster' % node_id,
data=data, headers=headers)
return body
def leave(self, node_id):
'''Make node leave its current cluster.'''
resp, body = self.client.json_request(
'POST',
'/nodes/%s/cluster' % node_id)
return body
def profile(self, node_id):
'''Get the profile spec for a specific node as a parsed JSON.'''
resp, body = self.client.json_request(
'GET',
'/nodes/%s/profile' % node_id)
return body