120 lines
3.6 KiB
Python
120 lines
3.6 KiB
Python
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# -*- coding: utf-8 -*-
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# GNU General Public License v3.0+ (see COPYING or https://www.gnu.org/licenses/gpl-3.0.txt)
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"""The community.general.random_words Ansible lookup plugin."""
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from __future__ import absolute_import, division, print_function
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__metaclass__ = type
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DOCUMENTATION = r"""
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name: random_words
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author:
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- Thomas Sjögren (@konstruktoid)
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short_description: Return a number of random words
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version_added: "4.0.0"
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requirements:
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- xkcdpass U(https://github.com/redacted/XKCD-password-generator)
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description:
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- Returns a number of random words. The output can for example be used for
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passwords.
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- See U(https://xkcd.com/936/) for background.
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options:
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numwords:
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description:
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- The number of words.
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default: 6
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type: int
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min_length:
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description:
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- Minimum length of words to make password.
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default: 5
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type: int
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max_length:
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description:
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- Maximum length of words to make password.
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default: 9
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type: int
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delimiter:
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description:
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- The delimiter character between words.
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default: " "
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type: str
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case:
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description:
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- The method for setting the case of each word in the passphrase.
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choices: ["alternating", "upper", "lower", "random", "capitalize"]
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default: "lower"
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type: str
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"""
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EXAMPLES = r"""
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- name: Generate password with default settings
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ansible.builtin.debug:
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var: lookup('community.general.random_words')
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# Example result: 'traitor gigabyte cesarean unless aspect clear'
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- name: Generate password with six, five character, words
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ansible.builtin.debug:
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var: lookup('community.general.random_words', min_length=5, max_length=5)
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# Example result: 'brink banjo getup staff trump comfy'
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- name: Generate password with three capitalized words and the '-' delimiter
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ansible.builtin.debug:
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var: lookup('community.general.random_words', numwords=3, delimiter='-', case='capitalize')
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# Example result: 'Overlabor-Faucet-Coastline'
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- name: Generate password with three words without any delimiter
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ansible.builtin.debug:
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var: lookup('community.general.random_words', numwords=3, delimiter='')
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# Example result: 'deskworkmonopolystriking'
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# https://www.ncsc.gov.uk/blog-post/the-logic-behind-three-random-words
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"""
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RETURN = r"""
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_raw:
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description: A single-element list containing random words.
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type: list
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elements: str
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"""
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from ansible.errors import AnsibleLookupError
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from ansible.plugins.lookup import LookupBase
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try:
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from xkcdpass import xkcd_password as xp
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HAS_XKCDPASS = True
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except ImportError:
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HAS_XKCDPASS = False
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class LookupModule(LookupBase):
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"""The random_words Ansible lookup class."""
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def run(self, terms, variables=None, **kwargs):
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if not HAS_XKCDPASS:
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raise AnsibleLookupError(
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"Python xkcdpass library is required. "
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'Please install using "pip install xkcdpass"'
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)
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self.set_options(var_options=variables, direct=kwargs)
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method = self.get_option("case")
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delimiter = self.get_option("delimiter")
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max_length = self.get_option("max_length")
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min_length = self.get_option("min_length")
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numwords = self.get_option("numwords")
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words = xp.locate_wordfile()
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wordlist = xp.generate_wordlist(
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max_length=max_length, min_length=min_length, wordfile=words
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)
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values = xp.generate_xkcdpassword(
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wordlist, case=method, delimiter=delimiter, numwords=numwords
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)
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return [values]
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