Sync install_venv_common from oslo

Change-Id: Iadcfa6d00b963a19ce15300b2293036cf0e8204b
This commit is contained in:
Monty Taylor 2013-07-05 23:03:37 -04:00
parent 99c46c2c60
commit e8b3360038
3 changed files with 269 additions and 133 deletions

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@ -1,9 +1,10 @@
[DEFAULT]
module=config
module=eventlet_backdoor
module=install_venv_common
module=notifier
module=rpc
module=service
module=threadgroup
module=config
base=openstack_dashboard

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@ -1,156 +1,77 @@
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2012 United States Government as represented by the
# Copyright 2010 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# Copyright 2012 OpenStack, LLC
# Copyright 2010 OpenStack Foundation
# Copyright 2013 IBM Corp.
# Copyright (c) 2013 Hewlett-Packard Development Company, L.P.
#
# Copyright 2012 Nebula, Inc.
# 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
#
# 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
#
# 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.
"""
Installation script for the OpenStack Dashboard development virtualenv.
"""
# 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.
import ConfigParser
import os
import subprocess
import sys
ROOT = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
VENV = os.path.join(ROOT, '.venv')
WITH_VENV = os.path.join(ROOT, 'tools', 'with_venv.sh')
PIP_REQUIRES = os.path.join(ROOT, 'requirements.txt')
TEST_REQUIRES = os.path.join(ROOT, 'test-requirements.txt')
import install_venv_common as install_venv # flake8: noqa
def die(message, *args):
print >> sys.stderr, message % args
sys.exit(1)
def print_help(project, venv, root):
help = """
%(project)s development environment setup is complete.
%(project)s development uses virtualenv to track and manage Python
dependencies while in development and testing.
def run_command(cmd, redirect_output=True, check_exit_code=True, cwd=ROOT,
die_message=None):
To activate the %(project)s virtualenv for the extent of your current
shell session you can run:
$ source %(venv)s/bin/activate
Or, if you prefer, you can run commands in the virtualenv on a case by
case basis by running:
$ %(root)s/tools/with_venv.sh <your command>
"""
Runs a command in an out-of-process shell, returning the
output of that command. Working directory is ROOT.
"""
if redirect_output:
stdout = subprocess.PIPE
else:
stdout = None
proc = subprocess.Popen(cmd, cwd=cwd, stdout=stdout)
output = proc.communicate()[0]
if check_exit_code and proc.returncode != 0:
if die_message is None:
die('Command "%s" failed.\n%s', ' '.join(cmd), output)
else:
die(die_message)
return output
print help % dict(project=project, venv=venv, root=root)
HAS_EASY_INSTALL = bool(run_command(['which', 'easy_install'],
check_exit_code=False).strip())
HAS_VIRTUALENV = bool(run_command(['which', 'virtualenv'],
check_exit_code=False).strip())
def main(argv):
root = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
if os.environ.get('tools_path'):
root = os.environ['tools_path']
venv = os.path.join(root, '.venv')
if os.environ.get('venv'):
venv = os.environ['venv']
def check_dependencies():
"""Make sure virtualenv is in the path."""
pip_requires = os.path.join(root, 'requirements.txt')
test_requires = os.path.join(root, 'test-requirements.txt')
py_version = "python%s.%s" % (sys.version_info[0], sys.version_info[1])
setup_cfg = ConfigParser.ConfigParser()
setup_cfg.read('setup.cfg')
project = setup_cfg.get('metadata', 'name')
print 'Checking dependencies...'
if not HAS_VIRTUALENV:
print 'Virtual environment not found.'
# Try installing it via easy_install...
if HAS_EASY_INSTALL:
print 'Installing virtualenv via easy_install...',
run_command(['easy_install', 'virtualenv'],
die_message='easy_install failed to install virtualenv'
'\ndevelopment requires virtualenv, please'
' install it using your favorite tool')
if not run_command(['which', 'virtualenv']):
die('ERROR: virtualenv not found in path.\n\ndevelopment '
' requires virtualenv, please install it using your'
' favorite package management tool and ensure'
' virtualenv is in your path')
print 'virtualenv installation done.'
else:
die('easy_install not found.\n\nInstall easy_install'
' (python-setuptools in ubuntu) or virtualenv by hand,'
' then rerun.')
print 'dependency check done.'
def create_virtualenv(venv=VENV):
"""Creates the virtual environment and installs PIP only into the
virtual environment
"""
print 'Creating venv...',
run_command(['virtualenv', '-q', '--no-site-packages', VENV])
print 'done.'
print 'Installing pip in virtualenv...',
if not run_command([WITH_VENV, 'easy_install', 'pip']).strip():
die("Failed to install pip.")
print 'done.'
print 'Installing distribute in virtualenv...'
pip_install('distribute>=0.6.24')
print 'done.'
def pip_install(*args):
args = [WITH_VENV, 'pip', 'install', '--upgrade'] + list(args)
run_command(args, redirect_output=False)
def install_dependencies(venv=VENV):
print "Installing dependencies..."
print "(This may take several minutes, don't panic)"
pip_install('-r', TEST_REQUIRES)
pip_install('-r', PIP_REQUIRES)
# Tell the virtual env how to "import dashboard"
py = 'python%d.%d' % (sys.version_info[0], sys.version_info[1])
pthfile = os.path.join(venv, "lib", py, "site-packages", "dashboard.pth")
f = open(pthfile, 'w')
f.write("%s\n" % ROOT)
def install_horizon():
print 'Installing horizon module in development mode...'
run_command([WITH_VENV, 'python', 'setup.py', 'develop'], cwd=ROOT)
def print_summary():
summary = """
Horizon development environment setup is complete.
To activate the virtualenv for the extent of your current shell session you
can run:
$ source .venv/bin/activate
"""
print summary
def main():
check_dependencies()
create_virtualenv()
install_dependencies()
install_horizon()
print_summary()
install = install_venv.InstallVenv(
root, venv, pip_requires, test_requires, py_version, project)
options = install.parse_args(argv)
install.check_python_version()
install.check_dependencies()
install.create_virtualenv(no_site_packages=options.no_site_packages)
install.install_dependencies()
install.post_process()
print_help(project, venv, root)
if __name__ == '__main__':
main()
main(sys.argv)

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# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2013 OpenStack Foundation
# Copyright 2013 IBM Corp.
#
# 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.
"""Provides methods needed by installation script for OpenStack development
virtual environments.
Since this script is used to bootstrap a virtualenv from the system's Python
environment, it should be kept strictly compatible with Python 2.6.
Synced in from openstack-common
"""
from __future__ import print_function
import optparse
import os
import subprocess
import sys
class InstallVenv(object):
def __init__(self, root, venv, requirements,
test_requirements, py_version,
project):
self.root = root
self.venv = venv
self.requirements = requirements
self.test_requirements = test_requirements
self.py_version = py_version
self.project = project
def die(self, message, *args):
print(message % args, file=sys.stderr)
sys.exit(1)
def check_python_version(self):
if sys.version_info < (2, 6):
self.die("Need Python Version >= 2.6")
def run_command_with_code(self, cmd, redirect_output=True,
check_exit_code=True):
"""Runs a command in an out-of-process shell.
Returns the output of that command. Working directory is self.root.
"""
if redirect_output:
stdout = subprocess.PIPE
else:
stdout = None
proc = subprocess.Popen(cmd, cwd=self.root, stdout=stdout)
output = proc.communicate()[0]
if check_exit_code and proc.returncode != 0:
self.die('Command "%s" failed.\n%s', ' '.join(cmd), output)
return (output, proc.returncode)
def run_command(self, cmd, redirect_output=True, check_exit_code=True):
return self.run_command_with_code(cmd, redirect_output,
check_exit_code)[0]
def get_distro(self):
if (os.path.exists('/etc/fedora-release') or
os.path.exists('/etc/redhat-release')):
return Fedora(
self.root, self.venv, self.requirements,
self.test_requirements, self.py_version, self.project)
else:
return Distro(
self.root, self.venv, self.requirements,
self.test_requirements, self.py_version, self.project)
def check_dependencies(self):
self.get_distro().install_virtualenv()
def create_virtualenv(self, no_site_packages=True):
"""Creates the virtual environment and installs PIP.
Creates the virtual environment and installs PIP only into the
virtual environment.
"""
if not os.path.isdir(self.venv):
print('Creating venv...', end=' ')
if no_site_packages:
self.run_command(['virtualenv', '-q', '--no-site-packages',
self.venv])
else:
self.run_command(['virtualenv', '-q', self.venv])
print('done.')
else:
print("venv already exists...")
pass
def pip_install(self, *args):
self.run_command(['tools/with_venv.sh',
'pip', 'install', '--upgrade'] + list(args),
redirect_output=False)
def install_dependencies(self):
print('Installing dependencies with pip (this can take a while)...')
# First things first, make sure our venv has the latest pip and
# setuptools and pbr
self.pip_install('pip>=1.4')
self.pip_install('setuptools')
self.pip_install('pbr')
self.pip_install('-r', self.requirements)
self.pip_install('-r', self.test_requirements)
def post_process(self):
self.get_distro().post_process()
def parse_args(self, argv):
"""Parses command-line arguments."""
parser = optparse.OptionParser()
parser.add_option('-n', '--no-site-packages',
action='store_true',
help="Do not inherit packages from global Python "
"install")
return parser.parse_args(argv[1:])[0]
class Distro(InstallVenv):
def check_cmd(self, cmd):
return bool(self.run_command(['which', cmd],
check_exit_code=False).strip())
def install_virtualenv(self):
if self.check_cmd('virtualenv'):
return
if self.check_cmd('easy_install'):
print('Installing virtualenv via easy_install...', end=' ')
if self.run_command(['easy_install', 'virtualenv']):
print('Succeeded')
return
else:
print('Failed')
self.die('ERROR: virtualenv not found.\n\n%s development'
' requires virtualenv, please install it using your'
' favorite package management tool' % self.project)
def post_process(self):
"""Any distribution-specific post-processing gets done here.
In particular, this is useful for applying patches to code inside
the venv.
"""
pass
class Fedora(Distro):
"""This covers all Fedora-based distributions.
Includes: Fedora, RHEL, CentOS, Scientific Linux
"""
def check_pkg(self, pkg):
return self.run_command_with_code(['rpm', '-q', pkg],
check_exit_code=False)[1] == 0
def apply_patch(self, originalfile, patchfile):
self.run_command(['patch', '-N', originalfile, patchfile],
check_exit_code=False)
def install_virtualenv(self):
if self.check_cmd('virtualenv'):
return
if not self.check_pkg('python-virtualenv'):
self.die("Please install 'python-virtualenv'.")
super(Fedora, self).install_virtualenv()
def post_process(self):
"""Workaround for a bug in eventlet.
This currently affects RHEL6.1, but the fix can safely be
applied to all RHEL and Fedora distributions.
This can be removed when the fix is applied upstream.
Nova: https://bugs.launchpad.net/nova/+bug/884915
Upstream: https://bitbucket.org/eventlet/eventlet/issue/89
RHEL: https://bugzilla.redhat.com/958868
"""
if os.path.exists('contrib/redhat-eventlet.patch'):
# Install "patch" program if it's not there
if not self.check_pkg('patch'):
self.die("Please install 'patch'.")
# Apply the eventlet patch
self.apply_patch(os.path.join(self.venv, 'lib', self.py_version,
'site-packages',
'eventlet/green/subprocess.py'),
'contrib/redhat-eventlet.patch')