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# (c) 2013, Michael DeHaan <michael.dehaan@gmail.com>
# (c) 2017 Ansible Project
# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
DOCUMENTATION = """
name: random_choice
author: Michael DeHaan
version_added: "1.1"
short_description: return random element from list
description:
- The 'random_choice' feature can be used to pick something at random. While it's not a load balancer (there are modules for those),
it can somewhat be used as a poor man's load balancer in a MacGyver like situation.
- At a more basic level, they can be used to add chaos and excitement to otherwise predictable automation environments.
"""
EXAMPLES = """
- name: Magic 8 ball for MUDs
ansible.builtin.debug:
msg: "{{ item }}"
with_random_choice:
- "go through the door"
- "drink from the goblet"
- "press the red button"
- "do nothing"
"""
RETURN = """
_raw:
description:
- random item
type: raw
"""
import random
from ansible.errors import AnsibleError
from ansible.module_utils.common.text.converters import to_native
from ansible.plugins.lookup import LookupBase
class LookupModule(LookupBase):
def run(self, terms, inject=None, **kwargs):
ret = terms
if terms:
try:
ret = [random.choice(terms)]
except Exception as e:
raise AnsibleError("Unable to choose random term: %s" % to_native(e))
return ret
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