57c4997dcb
The cfg API is now available via the oslo-config library, so switch to it and remove the copied-and-pasted version. Removes the load of copied-and-pasted cfg from each application in authtoken middleware. Depends on oslo-config deployments: Nova I4815aeb8a9341a31a250e920157f15ee15cfc5bc Glance I4815aeb8a9341a31a250e920157f15ee15cfc5bc Quantum I4815aeb8a9341a31a250e920157f15ee15cfc5bc Cinder I4815aeb8a9341a31a250e920157f15ee15cfc5bc Add the 2013.1b3 tarball to tools/pip-requires - this will be changed to 'oslo-config>=2013.1' when oslo-config is published to pypi. This will happen in time for grizzly final. Change-Id: I18c450174277c8e2d15ed93879da6cd92074c27a
233 lines
7.8 KiB
Python
233 lines
7.8 KiB
Python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
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# Copyright 2013 OpenStack, LLC
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# Copyright 2013 IBM Corp.
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# 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, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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"""Provides methods needed by installation script for OpenStack development
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virtual environments.
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Synced in from openstack-common
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"""
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import os
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import subprocess
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import sys
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possible_topdir = os.getcwd()
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if os.path.exists(os.path.join(possible_topdir, "keystoneclient",
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"__init__.py")):
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sys.path.insert(0, possible_topdir)
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from oslo.config import cfg
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class InstallVenv(object):
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def __init__(self, root, venv, pip_requires, test_requires, py_version,
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project):
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self.root = root
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self.venv = venv
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self.pip_requires = pip_requires
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self.test_requires = test_requires
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self.py_version = py_version
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self.project = project
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def die(self, message, *args):
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print >> sys.stderr, message % args
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sys.exit(1)
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def check_python_version(self):
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if sys.version_info < (2, 6):
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self.die("Need Python Version >= 2.6")
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def run_command_with_code(self, cmd, redirect_output=True,
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check_exit_code=True):
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"""Runs a command in an out-of-process shell.
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Returns the output of that command. Working directory is ROOT.
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"""
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if redirect_output:
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stdout = subprocess.PIPE
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else:
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stdout = None
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proc = subprocess.Popen(cmd, cwd=self.root, stdout=stdout)
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output = proc.communicate()[0]
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if check_exit_code and proc.returncode != 0:
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self.die('Command "%s" failed.\n%s', ' '.join(cmd), output)
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return (output, proc.returncode)
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def run_command(self, cmd, redirect_output=True, check_exit_code=True):
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return self.run_command_with_code(cmd, redirect_output,
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check_exit_code)[0]
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def get_distro(self):
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if (os.path.exists('/etc/fedora-release') or
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os.path.exists('/etc/redhat-release')):
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return Fedora(self.root, self.venv, self.pip_requires,
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self.test_requires, self.py_version, self.project)
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else:
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return Distro(self.root, self.venv, self.pip_requires,
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self.test_requires, self.py_version, self.project)
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def check_dependencies(self):
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self.get_distro().install_virtualenv()
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def create_virtualenv(self, no_site_packages=True):
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"""Creates the virtual environment and installs PIP.
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Creates the virtual environment and installs PIP only into the
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virtual environment.
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"""
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if not os.path.isdir(self.venv):
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print 'Creating venv...',
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if no_site_packages:
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self.run_command(['virtualenv', '-q', '--no-site-packages',
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self.venv])
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else:
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self.run_command(['virtualenv', '-q', self.venv])
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print 'done.'
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print 'Installing pip in virtualenv...',
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if not self.run_command(['tools/with_venv.sh', 'easy_install',
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'pip>1.0']).strip():
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self.die("Failed to install pip.")
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print 'done.'
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else:
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print "venv already exists..."
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pass
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def pip_install(self, *args):
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self.run_command(['tools/with_venv.sh',
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'pip', 'install', '--upgrade'] + list(args),
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redirect_output=False)
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def install_dependencies(self):
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print 'Installing dependencies with pip (this can take a while)...'
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# First things first, make sure our venv has the latest pip and
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# distribute.
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# NOTE: we keep pip at version 1.1 since the most recent version causes
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# the .venv creation to fail. See:
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# https://bugs.launchpad.net/nova/+bug/1047120
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self.pip_install('pip==1.1')
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self.pip_install('distribute')
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# Install greenlet by hand - just listing it in the requires file does
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# not
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# get it installed in the right order
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self.pip_install('greenlet')
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self.pip_install('-r', self.pip_requires)
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self.pip_install('-r', self.test_requires)
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def post_process(self):
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self.get_distro().post_process()
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def parse_args(self, argv):
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"""Parses command-line arguments."""
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cli_opts = [
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cfg.BoolOpt('no-site-packages',
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default=False,
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short='n',
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help="Do not inherit packages from global Python"
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"install"),
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]
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CLI = cfg.ConfigOpts()
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CLI.register_cli_opts(cli_opts)
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CLI(argv[1:])
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return CLI
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class Distro(InstallVenv):
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def check_cmd(self, cmd):
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return bool(self.run_command(['which', cmd],
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check_exit_code=False).strip())
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def install_virtualenv(self):
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if self.check_cmd('virtualenv'):
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return
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if self.check_cmd('easy_install'):
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print 'Installing virtualenv via easy_install...',
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if self.run_command(['easy_install', 'virtualenv']):
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print 'Succeeded'
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return
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else:
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print 'Failed'
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self.die('ERROR: virtualenv not found.\n\n%s development'
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' requires virtualenv, please install it using your'
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' favorite package management tool' % self.project)
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def post_process(self):
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"""Any distribution-specific post-processing gets done here.
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In particular, this is useful for applying patches to code inside
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the venv.
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"""
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pass
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class Fedora(Distro):
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"""This covers all Fedora-based distributions.
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Includes: Fedora, RHEL, CentOS, Scientific Linux
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"""
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def check_pkg(self, pkg):
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return self.run_command_with_code(['rpm', '-q', pkg],
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check_exit_code=False)[1] == 0
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def yum_install(self, pkg, **kwargs):
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print "Attempting to install '%s' via yum" % pkg
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self.run_command(['sudo', 'yum', 'install', '-y', pkg], **kwargs)
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def apply_patch(self, originalfile, patchfile):
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self.run_command(['patch', originalfile, patchfile])
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def install_virtualenv(self):
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if self.check_cmd('virtualenv'):
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return
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if not self.check_pkg('python-virtualenv'):
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self.yum_install('python-virtualenv', check_exit_code=False)
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super(Fedora, self).install_virtualenv()
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def post_process(self):
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"""Workaround for a bug in eventlet.
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This currently affects RHEL6.1, but the fix can safely be
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applied to all RHEL and Fedora distributions.
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This can be removed when the fix is applied upstream.
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Nova: https://bugs.launchpad.net/nova/+bug/884915
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Upstream: https://bitbucket.org/which_linden/eventlet/issue/89
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"""
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# Install "patch" program if it's not there
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if not self.check_pkg('patch'):
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self.yum_install('patch')
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# Apply the eventlet patch
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self.apply_patch(os.path.join(self.venv, 'lib', self.py_version,
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'site-packages',
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'eventlet/green/subprocess.py'),
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'contrib/redhat-eventlet.patch')
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