diff --git a/library/easy_install b/library/easy_install new file mode 100755 index 00000000000..d8109430849 --- /dev/null +++ b/library/easy_install @@ -0,0 +1,106 @@ +#!/usr/bin/python +# -*- coding: utf-8 -*- + +# (c) 2012, Matt Wright +# +# This file is part of Ansible +# +# Ansible is free software: you can redistribute it and/or modify +# it under the terms of the GNU General Public License as published by +# the Free Software Foundation, either version 3 of the License, or +# (at your option) any later version. +# +# Ansible 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 Ansible. If not, see . +# + +EASY_INSTALL = None +VIRTUALENV = '/usr/local/bin/virtualenv' +ENV = None + + +def _find_easy_install(): + if ENV: + return os.path.join(ENV, 'bin', 'easy_install') + + paths = ['/usr/local/bin', '/usr/bin'] + + for p in paths: + e = p + '/easy_install' + if os.path.exists(e): + return e + + +def _ensure_virtualenv(): + if os.path.exists(os.path.join(ENV, 'bin', 'activate')): + return 0, '', '' + else: + return _run('%s %s' % (VIRTUALENV, ENV)) + + +def _is_package_installed(name): + cmd = '%s --dry-run %s' % (EASY_INSTALL, name) + rc, status_stdout, status_stderr = _run(cmd) + return not ('Reading' in status_stdout or 'Downloading' in status_stdout) + + +def _run(cmd): + # returns (rc, stdout, stderr) from shell command + process = subprocess.Popen(cmd, stdout=subprocess.PIPE, + stderr=subprocess.PIPE, shell=True) + stdout, stderr = process.communicate() + return (process.returncode, stdout, stderr) + + +def main(): + arg_spec = dict( + name=dict(required=True), + virtualenv=dict(default=None, required=False) + ) + + module = AnsibleModule(argument_spec=arg_spec) + + name = module.params['name'] + ENV = module.params['virtualenv'] + EASY_INSTALL = _find_easy_install() + + rc = 0 + err = '' + out = '' + + if ENV: + rc_venv, out_venv, err_venv = _ensure_virtualenv() + + rc += rc_venv + out += out_venv + err += err_venv + + cmd = None + changed = False + installed = _is_package_installed(name) + + if not installed: + cmd = '%s %s' % (EASY_INSTALL, name) + rc_pip, out_pip, err_pip = _run(cmd) + + rc += rc_pip + out += out_pip + err += err_pip + + changed = True + + if rc != 0: + module.fail_json(msg=err, cmd=cmd) + + module.exit_json(changed=changed, binary=EASY_INSTALL, + name=name, virtualenv=ENV) + +# this is magic, see lib/ansible/module_common.py +#<> + +main()