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# vi: ts=4 expandtab
#
# Distutils magic for ec2-init
#
# Copyright (C) 2009 Canonical Ltd.
# Copyright (C) 2012 Yahoo! Inc.
#
# Author: Soren Hansen <soren@canonical.com>
# Author: Joshua Harlow <harlowja@yahoo-inc.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/>.
from glob import glob
import os
import sys
import setuptools
from setuptools.command.install import install
from distutils.errors import DistutilsArgError
import subprocess
def is_f(p):
return os.path.isfile(p)
def tiny_p(cmd, capture=True):
# Darn python 2.6 doesn't have check_output (argggg)
stdout = subprocess.PIPE
stderr = subprocess.PIPE
if not capture:
stdout = None
stderr = None
sp = subprocess.Popen(cmd, stdout=stdout,
stderr=stderr, stdin=None,
universal_newlines=True)
(out, err) = sp.communicate()
ret = sp.returncode
if ret not in [0]:
raise RuntimeError("Failed running %s [rc=%s] (%s, %s)" %
(cmd, ret, out, err))
return (out, err)
def pkg_config_read(library, var):
fallbacks = {
'systemd': {
'systemdsystemunitdir': '/lib/systemd/system',
'systemdsystemgeneratordir': '/lib/systemd/system-generators',
}
}
cmd = ['pkg-config', '--variable=%s' % var, library]
try:
(path, err) = tiny_p(cmd)
except Exception:
return fallbacks[library][var]
return str(path).strip()
INITSYS_FILES = {
'sysvinit': [f for f in glob('sysvinit/redhat/*') if is_f(f)],
'sysvinit_freebsd': [f for f in glob('sysvinit/freebsd/*') if is_f(f)],
'sysvinit_deb': [f for f in glob('sysvinit/debian/*') if is_f(f)],
'systemd': [f for f in (glob('systemd/*.service') +
glob('systemd/*.target')) if is_f(f)],
'systemd.generators': [f for f in glob('systemd/*-generator') if is_f(f)],
'upstart': [f for f in glob('upstart/*') if is_f(f)],
}
INITSYS_ROOTS = {
'sysvinit': '/etc/rc.d/init.d',
'sysvinit_freebsd': '/usr/local/etc/rc.d',
'sysvinit_deb': '/etc/init.d',
'systemd': pkg_config_read('systemd', 'systemdsystemunitdir'),
'systemd.generators': pkg_config_read('systemd',
'systemdsystemgeneratordir'),
'upstart': '/etc/init/',
}
INITSYS_TYPES = sorted([f.partition(".")[0] for f in INITSYS_ROOTS.keys()])
# Install everything in the right location and take care of Linux (default) and
# FreeBSD systems.
USR = "/usr"
ETC = "/etc"
USR_LIB_EXEC = "/usr/lib"
LIB = "/lib"
if os.uname()[0] == 'FreeBSD':
USR = "/usr/local"
USR_LIB_EXEC = "/usr/local/lib"
ETC = "/usr/local/etc"
elif os.path.isfile('/etc/redhat-release'):
USR_LIB_EXEC = "/usr/libexec"
# Avoid having datafiles installed in a virtualenv...
def in_virtualenv():
try:
if sys.real_prefix == sys.prefix:
return False
else:
return True
except AttributeError:
return False
def get_version():
cmd = ['tools/read-version']
(ver, _e) = tiny_p(cmd)
return str(ver).strip()
def read_requires():
cmd = ['tools/read-dependencies']
(deps, _e) = tiny_p(cmd)
return str(deps).splitlines()
# TODO: Is there a better way to do this??
class InitsysInstallData(install):
init_system = None
user_options = install.user_options + [
# This will magically show up in member variable 'init_sys'
('init-system=', None,
('init system(s) to configure (%s) [default: None]' %
(", ".join(INITSYS_TYPES)))),
]
def initialize_options(self):
install.initialize_options(self)
self.init_system = ""
def finalize_options(self):
install.finalize_options(self)
if self.init_system and isinstance(self.init_system, str):
self.init_system = self.init_system.split(",")
if len(self.init_system) == 0:
raise DistutilsArgError(
("You must specify one of (%s) when"
" specifying init system(s)!") % (", ".join(INITSYS_TYPES)))
bad = [f for f in self.init_system if f not in INITSYS_TYPES]
if len(bad) != 0:
raise DistutilsArgError(
"Invalid --init-system: %s" % (','.join(bad)))
for system in self.init_system:
# add data files for anything that starts with '<system>.'
datakeys = [k for k in INITSYS_ROOTS
if k.partition(".")[0] == system]
for k in datakeys:
self.distribution.data_files.append(
(INITSYS_ROOTS[k], INITSYS_FILES[k]))
# Force that command to reinitalize (with new file list)
self.distribution.reinitialize_command('install_data', True)
if in_virtualenv():
data_files = []
cmdclass = {}
else:
data_files = [
(ETC + '/cloud', glob('config/*.cfg')),
(ETC + '/cloud/cloud.cfg.d', glob('config/cloud.cfg.d/*')),
(ETC + '/cloud/templates', glob('templates/*')),
(USR_LIB_EXEC + '/cloud-init', ['tools/uncloud-init',
'tools/write-ssh-key-fingerprints']),
(USR + '/share/doc/cloud-init', [f for f in glob('doc/*') if is_f(f)]),
(USR + '/share/doc/cloud-init/examples',
[f for f in glob('doc/examples/*') if is_f(f)]),
(USR + '/share/doc/cloud-init/examples/seed',
[f for f in glob('doc/examples/seed/*') if is_f(f)]),
(LIB + '/udev/rules.d', [f for f in glob('udev/*.rules')]),
(LIB + '/udev', ['udev/cloud-init-wait']),
]
# Use a subclass for install that handles
# adding on the right init system configuration files
cmdclass = {
'install': InitsysInstallData,
}
requirements = read_requires()
if sys.version_info < (3,):
requirements.append('cheetah')
setuptools.setup(
name='cloud-init',
version=get_version(),
description='EC2 initialisation magic',
author='Scott Moser',
author_email='scott.moser@canonical.com',
url='http://launchpad.net/cloud-init/',
packages=setuptools.find_packages(exclude=['tests']),
scripts=['bin/cloud-init',
'tools/cloud-init-per'],
license='GPLv3',
data_files=data_files,
install_requires=requirements,
cmdclass=cmdclass,
)
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