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# vi: ts=4 expandtab
#
# Copyright (C) 2009-2010 Canonical Ltd.
#
# Author: Scott Moser <scott.moser@canonical.com>
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 3, as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
import cloudinit
import UserDataHandler as ud
class DataSource:
userdata = None
metadata = None
userdata_raw = None
def __init__(self):
pass
def get_userdata(self):
if self.userdata == None:
self.userdata = ud.preprocess_userdata(self.userdata_raw)
return self.userdata
def get_userdata_raw(self):
return(self.userdata_raw)
def get_public_ssh_keys(self):
keys = []
if not self.metadata.has_key('public-keys'): return([])
for keyname, klist in self.metadata['public-keys'].items():
# lp:506332 uec metadata service responds with
# data that makes boto populate a string for 'klist' rather
# than a list.
if isinstance(klist,str):
klist = [ klist ]
for pkey in klist:
# there is an empty string at the end of the keylist, trim it
if pkey:
keys.append(pkey)
return(keys)
def get_public_hostname(self):
return (self.metadata['public-hostname'])
def get_local_ipv4(self):
return (self.metadata['local-ipv4'])
def device_name_to_device(self, name):
# translate a 'name' to a device
# the primary function at this point is on ec2
# to consult metadata service, that has
# ephemeral0: sdb
# and return 'sdb' for input 'ephemeral0'
return(None)
def get_local_mirror(self):
return('http://archive.ubuntu.com/ubuntu/')
def get_instance_id(self):
if 'instance-id' not in self.metadata:
return "ubuntuhost"
return(self.metadata['instance-id'])
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