129 lines
3.8 KiB
Python
Executable file
129 lines
3.8 KiB
Python
Executable file
#!/usr/bin/python
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# -*- coding: utf-8 -*-
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# (c) 2012, Matt Wright <matt@nobien.net>
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#
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# This file is part of Ansible
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#
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# Ansible is free software: you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# Ansible is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with Ansible. If not, see <http://www.gnu.org/licenses/>.
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#
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DOCUMENTATION = '''
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---
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module: easy_install
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short_description: Installs Python libraries
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description:
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- Installs Python libraries, optionally in a I(virtualenv)
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version_added: "0.7"
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options:
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name:
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description:
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- A Python library name
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required: true
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default: null
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aliases: []
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virtualenv:
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description:
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- an optional I(virtualenv) directory path to install into. If the
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I(virtualenv) does not exist, it is created automatically
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required: false
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default: null
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examples:
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- code: easy_install name=pip
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description: "Examples from Ansible Playbooks"
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- code: easy_install name=flask virtualenv=/webapps/myapp/venv
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description: "Install I(Flask) (U(http://flask.pocoo.org/)) into the specified I(virtualenv)"
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notes:
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- Please note that the M(easy_install) module can only install Python
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libraries. Thus this module is not able to remove libraries. It is
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generally recommended to use the M(pip) module which you can first install
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using M(easy_install).
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- Also note that I(virtualenv) must be installed on the remote host if the
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C(virtualenv) parameter is specified.
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requirements: [ "virtualenv" ]
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author: Matt Wright
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'''
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def _ensure_virtualenv(env, virtualenv):
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if os.path.exists(os.path.join(env, 'bin', 'activate')):
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return 0, '', ''
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else:
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return _run('%s %s' % (virtualenv, env))
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def _is_package_installed(name, easy_install):
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cmd = '%s --dry-run %s' % (easy_install, name)
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rc, status_stdout, status_stderr = _run(cmd)
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return not ('Reading' in status_stdout or 'Downloading' in status_stdout)
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def _run(cmd):
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# returns (rc, stdout, stderr) from shell command
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process = subprocess.Popen(cmd, stdout=subprocess.PIPE,
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stderr=subprocess.PIPE, shell=True)
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stdout, stderr = process.communicate()
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return (process.returncode, stdout, stderr)
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def main():
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arg_spec = dict(
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name=dict(required=True),
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virtualenv=dict(default=None, required=False)
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)
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module = AnsibleModule(argument_spec=arg_spec)
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name = module.params['name']
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env = module.params['virtualenv']
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easy_install = module.get_bin_path('easy_install', True, ['%s/bin' % env])
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rc = 0
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err = ''
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out = ''
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if env:
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virtualenv = module.get_bin_path('virtualenv', True)
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if virtualenv is None:
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module.fail_json(msg='virtualenv is not installed')
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rc_venv, out_venv, err_venv = _ensure_virtualenv(env, virtualenv)
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rc += rc_venv
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out += out_venv
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err += err_venv
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cmd = None
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changed = False
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installed = _is_package_installed(name, easy_install)
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if not installed:
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cmd = '%s %s' % (easy_install, name)
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rc_pip, out_pip, err_pip = _run(cmd)
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rc += rc_pip
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out += out_pip
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err += err_pip
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changed = True
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if rc != 0:
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module.fail_json(msg=err, cmd=cmd)
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module.exit_json(changed=changed, binary=easy_install,
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name=name, virtualenv=env)
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# this is magic, see lib/ansible/module_common.py
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#<<INCLUDE_ANSIBLE_MODULE_COMMON>>
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main()
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