99 lines
3.4 KiB
Python
99 lines
3.4 KiB
Python
#!/usr/bin/env python
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# Copyright 2015 The Kubernetes Authors All rights reserved.
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#
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# 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 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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import httplib
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import json
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import time
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class Registrator:
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def __init__(self):
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self.ds ={
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"creationTimestamp": "",
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"kind": "Minion",
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"name": "", # private_address
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"metadata": {
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"name": "", #private_address,
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},
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"spec": {
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"externalID": "", #private_address
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"capacity": {
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"mem": "", # mem + ' K',
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"cpu": "", # cpus
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}
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},
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"status": {
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"conditions": [],
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"hostIP": "", #private_address
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}
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}
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@property
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def data(self):
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''' Returns a data-structure for population to make a request. '''
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return self.ds
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def register(self, hostname, port, api_path):
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''' Contact the API Server for a new registration '''
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headers = {"Content-type": "application/json",
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"Accept": "application/json"}
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connection = httplib.HTTPConnection(hostname, port)
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print 'CONN {}'.format(connection)
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connection.request("POST", api_path, json.dumps(self.data), headers)
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response = connection.getresponse()
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body = response.read()
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print(body)
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result = json.loads(body)
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print("Response status:%s reason:%s body:%s" % \
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(response.status, response.reason, result))
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return response, result
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def update(self):
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''' Contact the API Server to update a registration '''
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# do a get on the API for the node
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# repost to the API with any modified data
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pass
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def save(self):
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''' Marshall the registration data '''
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# TODO
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pass
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def command_succeeded(self, response, result):
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''' Evaluate response data to determine if the command was successful '''
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if response.status in [200, 201]:
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print("Registered")
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return True
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elif response.status in [409,]:
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print("Status Conflict")
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# Suggested return a PUT instead of a POST with this response
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# code, this predicates use of the UPDATE method
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# TODO
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elif response.status in (500,) and result.get(
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'message', '').startswith('The requested resource does not exist'):
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# There's something fishy in the kube api here (0.4 dev), first time we
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# go to register a new minion, we always seem to get this error.
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# http://issue.k8s.io/1995
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time.sleep(1)
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print("Retrying registration...")
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raise ValueError("Registration returned 500, retry")
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# return register_machine(apiserver, retry=True)
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else:
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print("Registration error")
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# TODO - get request data
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raise RuntimeError("Unable to register machine with")
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