147 lines
4.8 KiB
Python
147 lines
4.8 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
|
|
|
|
# Copyright 2010 United States Government as represented by the
|
|
# Administrator of the National Aeronautics and Space Administration.
|
|
# All Rights Reserved.
|
|
#
|
|
# 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.
|
|
"""
|
|
Nova User API client library.
|
|
"""
|
|
|
|
import base64
|
|
import boto
|
|
from boto.ec2.regioninfo import RegionInfo
|
|
|
|
class UserInfo(object):
|
|
"""
|
|
Information about a Nova user, as parsed through SAX
|
|
fields include:
|
|
username
|
|
accesskey
|
|
secretkey
|
|
|
|
and an optional field containing a zip with X509 cert & rc
|
|
file
|
|
"""
|
|
|
|
def __init__(self, connection=None, username=None, endpoint=None):
|
|
self.connection = connection
|
|
self.username = username
|
|
self.endpoint = endpoint
|
|
|
|
def __repr__(self):
|
|
return 'UserInfo:%s' % self.username
|
|
|
|
def startElement(self, name, attrs, connection):
|
|
return None
|
|
|
|
def endElement(self, name, value, connection):
|
|
if name == 'username':
|
|
self.username = str(value)
|
|
elif name == 'file':
|
|
self.file = base64.b64decode(str(value))
|
|
elif name == 'accesskey':
|
|
self.accesskey = str(value)
|
|
elif name == 'secretkey':
|
|
self.secretkey = str(value)
|
|
|
|
class HostInfo(object):
|
|
"""
|
|
Information about a Nova Host, as parsed through SAX:
|
|
Disk stats
|
|
Running Instances
|
|
Memory stats
|
|
CPU stats
|
|
Network address info
|
|
Firewall info
|
|
Bridge and devices
|
|
"""
|
|
|
|
def __init__(self, connection=None):
|
|
self.connection = connection
|
|
self.hostname = None
|
|
|
|
def __repr__(self):
|
|
return 'Host:%s' % self.hostname
|
|
|
|
# this is needed by the sax parser, so ignore the ugly name
|
|
def startElement(self, name, attrs, connection):
|
|
return None
|
|
|
|
# this is needed by the sax parser, so ignore the ugly name
|
|
def endElement(self, name, value, connection):
|
|
setattr(self, name, value)
|
|
|
|
class NovaAdminClient(object):
|
|
def __init__(self, clc_ip='127.0.0.1', region='nova', access_key='admin',
|
|
secret_key='admin', **kwargs):
|
|
self.clc_ip = clc_ip
|
|
self.region = region
|
|
self.access = access_key
|
|
self.secret = secret_key
|
|
self.apiconn = boto.connect_ec2(aws_access_key_id=access_key,
|
|
aws_secret_access_key=secret_key,
|
|
is_secure=False,
|
|
region=RegionInfo(None, region, clc_ip),
|
|
port=8773,
|
|
path='/services/Admin',
|
|
**kwargs)
|
|
self.apiconn.APIVersion = 'nova'
|
|
|
|
def connection_for(self, username, **kwargs):
|
|
"""
|
|
Returns a boto ec2 connection for the given username.
|
|
"""
|
|
user = self.get_user(username)
|
|
return boto.connect_ec2(
|
|
aws_access_key_id=user.accesskey,
|
|
aws_secret_access_key=user.secretkey,
|
|
is_secure=False,
|
|
region=RegionInfo(None, self.region, self.clc_ip),
|
|
port=8773,
|
|
path='/services/Cloud',
|
|
**kwargs
|
|
)
|
|
|
|
def get_users(self):
|
|
""" grabs the list of all users """
|
|
return self.apiconn.get_list('DescribeUsers', {}, [('item', UserInfo)])
|
|
|
|
def get_user(self, name):
|
|
""" grab a single user by name """
|
|
user = self.apiconn.get_object('DescribeUser', {'Name': name}, UserInfo)
|
|
|
|
if user.username != None:
|
|
return user
|
|
|
|
def has_user(self, username):
|
|
""" determine if user exists """
|
|
return self.get_user(username) != None
|
|
|
|
def create_user(self, username):
|
|
""" creates a new user, returning the userinfo object with access/secret """
|
|
return self.apiconn.get_object('RegisterUser', {'Name': username}, UserInfo)
|
|
|
|
def delete_user(self, username):
|
|
""" deletes a user """
|
|
return self.apiconn.get_object('DeregisterUser', {'Name': username}, UserInfo)
|
|
|
|
def get_zip(self, username):
|
|
""" returns the content of a zip file containing novarc and access credentials. """
|
|
return self.apiconn.get_object('GenerateX509ForUser', {'Name': username}, UserInfo).file
|
|
|
|
def get_hosts(self):
|
|
return self.apiconn.get_list('DescribeHosts', {}, [('item', HostInfo)])
|
|
|