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92 lines (75 loc) · 3.57 KB
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from __future__ import absolute_import
import os
from linode.errors import UnexpectedResponseError
from linode.objects import DerivedBase, Property
from .node import NodeBalancerNode
class NodeBalancerConfig(DerivedBase):
api_endpoint = '/nodebalancers/{nodebalancer_id}/configs/{id}'
derived_url_path = 'configs'
parent_id_name='nodebalancer_id'
properties = {
'id': Property(identifier=True),
'nodebalancer_id': Property(identifier=True),
"port": Property(mutable=True),
"protocol": Property(mutable=True),
"algorithm": Property(mutable=True),
"stickiness": Property(mutable=True),
"check": Property(mutable=True),
"check_interval": Property(mutable=True),
"check_timeout": Property(mutable=True),
"check_attempts": Property(mutable=True),
"check_path": Property(mutable=True),
"check_body": Property(mutable=True),
"check_passive": Property(mutable=True),
"ssl_cert": Property(mutable=True),
"ssl_key": Property(mutable=True),
"ssl_commonname": Property(),
"ssl_fingerprint": Property(),
"cipher_suite": Property(mutable=True),
"nodes_status": Property(),
}
@property
def nodes(self):
"""
This is a special derived_class relationship because NodeBalancerNode is the
only api object that requires two parent_ids
"""
if not hasattr(self, '_nodes'):
base_url = "{}/{}".format(NodeBalancerConfig.api_endpoint, NodeBalancerNode.derived_url_path)
result = self._client._get_objects(base_url, NodeBalancerNode, model=self, parent_id=(self.id, self.nodebalancer_id))
self._set('_nodes', result)
return self._nodes
def create_node(self, label, address, **kwargs):
params = {
"label": label,
"address": address,
}
params.update(kwargs)
result = self._client.post("{}/nodes".format(NodeBalancerConfig.api_endpoint), model=self, data=params)
self.invalidate()
if not 'id' in result:
raise UnexpectedResponseError('Unexpected response creating node!', json=result)
# this is three levels deep, so we need a special constructor
n = NodeBalancerNode(self._client, result['id'], self.id, self.nodebalancer_id, result)
return n
def load_ssl_data(self, cert_file, key_file):
"""
A convenience method that loads a cert and a key from files and sets them
on this object. This can make enabling ssl easier (instead of you needing
to load the files yourself).
This does *not* change protocol/port for you, or save anything. Once this
is called, you must still call `save()` on this object for the changes to
take effect.
:param cert_file: A path to the file containing the public certificate
:type cert_file: str
:param key_file: A path to the file containing the unpassphrased private key
:type key_file: str
"""
# we're disabling warnings here because these attributes are defined dynamically
# through linode.objects.Base, and pylint isn't privy
if os.path.isfile(os.path.expanduser(cert_file)):
with open(os.path.expanduser(cert_file)) as f:
self.ssl_cert = f.read() # pylint: disable=attribute-defined-outside-init
if os.path.isfile(os.path.expanduser(key_file)):
with open(os.path.expanduser(key_file)) as f:
self.ssl_key = f.read() # pylint: disable=attribute-defined-outside-init