# Copyright (c) 2009-2016 Hewlett Packard Enterprise Development LP
#
# Redistribution and use of this software in source and binary forms,
# with or without modification, are permitted provided that the following
# conditions are met:
#
# Redistributions of source code must retain the above copyright notice,
# this list of conditions and the following disclaimer.
#
# Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in the
# documentation and/or other materials provided with the distribution.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
import glob
import os.path
import platform
import sys
import requestbuilder
import requests
from euca2ools import __version__
DATADIR = '/usr/share/euca2ools'
SYSCONFDIR = '/etc/euca2ools'
USERCONFDIR = '~/.euca'
class Euca2ools(object):
"""
A class with attributes and methods that define the entire euca2ools suite
"""
CONFIG_PATHS = (os.path.join(SYSCONFDIR, 'euca2ools.ini'),
os.path.join(SYSCONFDIR, 'conf.d', '*.ini'),
os.path.join(USERCONFDIR, '*.ini'))
def __init__(self):
self.__user_agent = None
# noinspection PyBroadException
@staticmethod
def format_version():
version_lines = ['euca2ools {0} (Newton)'.format(__version__)]
try:
if os.path.isfile('/etc/eucalyptus/eucalyptus-version'):
with open('/etc/eucalyptus/eucalyptus-version') as ver_file:
euca_version = ver_file.readline().strip()
version_lines.append('eucalyptus {0}'.format(euca_version))
# pylint: disable=bare-except
except:
# Those were just more crunchy bits. If they don't work, oh well!
pass
# pylint: enable=bare-except
return '\n'.join(version_lines)
def list_config_files(self):
config_files = []
if 'EUCA_CONFIG_PATH' in os.environ:
config_globs = os.getenv('EUCA_CONFIG_PATH').split(':')
else:
config_globs = self.CONFIG_PATHS
for config_glob in config_globs:
expanded = os.path.expanduser(os.path.expandvars(config_glob))
config_files.extend(sorted(glob.glob(expanded)))
return config_files
def get_user_agent(self):
if self.__user_agent is None:
user_agent_bits = ['euca2ools/{0}'.format(__version__)]
tokens = []
impl = platform.python_implementation()
if impl == 'PyPy':
# pylint: disable=E1101
impl_version = '{0}.{1}.{2}'.format(
sys.pypy_version_info.major,
sys.pypy_version_info.minor,
sys.pypy_version_info.micro)
if sys.pypy_version_info.releaselevel != 'final':
impl_version += sys.pypy_version_info.releaselevel
# pylint: enable=E1101
else:
# I'm guessing for non-CPython implementations; feel free to
# submit patches or the needed implementation-specific API
# references.
impl_version = platform.python_version()
tokens.append('{0} {1}'.format(impl, impl_version))
plat = []
try:
plat.append(platform.system())
plat.append(platform.release())
except IOError:
pass
if plat:
tokens.append(' '.join(plat))
tokens.append(platform.machine())
user_agent_bits.append('({0})'.format('; '.join(tokens)))
user_agent_bits.append('requestbuilder/{0}'.format(
requestbuilder.__version__))
user_agent_bits.append('requests/{0}'.format(requests.__version__))
self.__user_agent = ' '.join(user_agent_bits)
return self.__user_agent