155 lines
4.9 KiB
Python
155 lines
4.9 KiB
Python
# Copyright 2012 United States Government as represented by the
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# Administrator of the National Aeronautics and Space Administration.
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# All Rights Reserved.
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#
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# Copyright 2012 OpenStack, LLC
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#
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# Copyright 2012 Nebula, Inc.
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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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"""
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Installation script for the OpenStack Dashboard development virtualenv.
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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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ROOT = os.path.dirname(os.path.dirname(os.path.realpath(__file__)))
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VENV = os.path.join(ROOT, '.venv')
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WITH_VENV = os.path.join(ROOT, 'tools', 'with_venv.sh')
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PIP_REQUIRES = os.path.join(ROOT, 'requirements.txt')
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TEST_REQUIRES = os.path.join(ROOT, 'test-requirements.txt')
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def die(message, *args):
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print >> sys.stderr, message % args
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sys.exit(1)
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def run_command(cmd, redirect_output=True, check_exit_code=True, cwd=ROOT,
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die_message=None):
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"""
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Runs a command in an out-of-process shell, returning the
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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=cwd, 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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if die_message is None:
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die('Command "%s" failed.\n%s', ' '.join(cmd), output)
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else:
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die(die_message)
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return output
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HAS_EASY_INSTALL = bool(run_command(['which', 'easy_install'],
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check_exit_code=False).strip())
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HAS_VIRTUALENV = bool(run_command(['which', 'virtualenv'],
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check_exit_code=False).strip())
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def check_dependencies():
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"""Make sure virtualenv is in the path."""
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print 'Checking dependencies...'
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if not HAS_VIRTUALENV:
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print 'Virtual environment not found.'
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# Try installing it via easy_install...
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if HAS_EASY_INSTALL:
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print 'Installing virtualenv via easy_install...',
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run_command(['easy_install', 'virtualenv'],
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die_message='easy_install failed to install virtualenv'
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'\ndevelopment requires virtualenv, please'
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' install it using your favorite tool')
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if not run_command(['which', 'virtualenv']):
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die('ERROR: virtualenv not found in path.\n\ndevelopment '
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' requires virtualenv, please install it using your'
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' favorite package management tool and ensure'
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' virtualenv is in your path')
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print 'virtualenv installation done.'
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else:
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die('easy_install not found.\n\nInstall easy_install'
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' (python-setuptools in ubuntu) or virtualenv by hand,'
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' then rerun.')
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print 'dependency check done.'
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def create_virtualenv(venv=VENV):
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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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print 'Creating venv...',
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run_command(['virtualenv', '-q', '--no-site-packages', VENV])
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print 'done.'
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print 'Installing pip in virtualenv...',
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if not run_command([WITH_VENV, 'easy_install', 'pip']).strip():
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die("Failed to install pip.")
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print 'done.'
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print 'Installing distribute in virtualenv...'
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pip_install('distribute>=0.6.24')
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print 'done.'
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def pip_install(*args):
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args = [WITH_VENV, 'pip', 'install', '--upgrade'] + list(args)
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run_command(args, redirect_output=False)
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def install_dependencies(venv=VENV):
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print "Installing dependencies..."
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print "(This may take several minutes, don't panic)"
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pip_install('-r', TEST_REQUIRES)
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pip_install('-r', PIP_REQUIRES)
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# Tell the virtual env how to "import dashboard"
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py = 'python%d.%d' % (sys.version_info[0], sys.version_info[1])
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pthfile = os.path.join(venv, "lib", py, "site-packages", "dashboard.pth")
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f = open(pthfile, 'w')
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f.write("%s\n" % ROOT)
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def install_horizon():
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print 'Installing horizon module in development mode...'
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run_command([WITH_VENV, 'python', 'setup.py', 'develop'], cwd=ROOT)
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def print_summary():
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summary = """
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Horizon development environment setup is complete.
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To activate the virtualenv for the extent of your current shell session you
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can run:
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$ source .venv/bin/activate
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"""
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print summary
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def main():
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check_dependencies()
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create_virtualenv()
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install_dependencies()
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install_horizon()
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print_summary()
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if __name__ == '__main__':
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main()
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