diff --git a/library/system/at b/library/system/at new file mode 100644 index 00000000000..c74c4cdfa96 --- /dev/null +++ b/library/system/at @@ -0,0 +1,117 @@ +#!/usr/bin/python +# -*- coding: utf-8 -*- +# +# (c) 2014, Richard Isaacson +# +# 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 . + +DOCUMENTATION = """ +--- +module: at +short_description: Schedule the execution of a command or scripts via the at command. +description: + - Use this module to schedule a command or script to run once in the future. + version_added: "0.0" + options: + command: + description: + - A command to be executed in the future. + required: false + default: null + script_file: + description: + - An existing script to be executed in the future. + required: false + default: null + unit_count: + description: + - The count of units in the future to execute the command or script. + required: true + unit_type: + description: + - The type of units in the future to execute the command or script. + required: true + choices: ["minutes", "hours", "days", "weeks"] +requirements: + - at +author: Richard Isaacson +""" + +EXAMPLES = """ +# Schedule a command to execute in 20 minutes as root. +- at: command="ls -d > /dev/null" unit_count=1 unit_type="minutes" + +# Schedule a script to execute in 1 hour as the neo user. +- at: script_file="/some/script.sh" user="neo" unit_count=1 unit_type="hours" +""" + +import os +import tempfile + +ATCMD = "/usr/bin/at" + +#================================================ + +def main(): + module = AnsibleModule( + argument_spec = dict( + command=dict(required=False), + script_file=dict(required=False), + unit_count=dict(required=True), + unit_type=dict(required=True, + default=None, + choices=["minutes", "hours", "days", "weeks"], + type="str") + ), + supports_check_mode = False, + ) + + command = module.params['command'] + script_file = module.params['script_file'] + unit_count = module.params['unit_count'] + unit_type = module.params['unit_type'] + + if command and script_file: + module.fail_json(msg="command and script_file are mutually exclusive") + + result = {} + + result['unit_count'] = unit_count + result['unit_type'] = unit_type + + if command: + filed, path = tempfile.mkstemp(prefix='at') + result['script_file'] = path + fileh = os.fdopen(filed, 'w') + fileh.write(command) + fileh.close() + rc, out, err = module.run_command("%s now + %s %s -f %s" % (ATCMD, unit_count, unit_type, path)) + if rc != 0: + module.fail_json(msg=err) + os.unlink(path) + elif script_file: + result['script_file'] = script_file + rc, out, err = module.run_command("%s now + %s %s -f %s" % (ATCMD, unit_count, unit_type, script_file)) + if rc != 0: + module.fail_json(msg=err) + else: + module.fail_json(msg="command or script_file not specified") + + module.exit_json(**result) + +# import module snippets +from ansible.module_utils.basic import * +main()