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community.general/plugins/lookup/dnstxt.py
patchback[bot] 203747027e
Move licenses to LICENSES/, run add-license.py, add LICENSES/MIT.txt (#5065) (#5068)
* Move licenses to LICENSES/, run add-license.py, add LICENSES/MIT.txt.

* Replace 'Copyright:' with 'Copyright'

sed -i 's|Copyright:\(.*\)|Copyright\1|' $(rg -l 'Copyright:')

Co-authored-by: Maxwell G <gotmax@e.email>
(cherry picked from commit 123c7efe5e)

Co-authored-by: Felix Fontein <felix@fontein.de>
2022-08-05 13:17:19 +02:00

99 lines
2.9 KiB
Python

# -*- coding: utf-8 -*-
# (c) 2012, Jan-Piet Mens <jpmens(at)gmail.com>
# (c) 2017 Ansible Project
# GNU General Public License v3.0+ (see LICENSES/GPL-3.0-or-later.txt or https://www.gnu.org/licenses/gpl-3.0.txt)
# SPDX-License-Identifier: GPL-3.0-or-later
from __future__ import (absolute_import, division, print_function)
__metaclass__ = type
DOCUMENTATION = '''
name: dnstxt
author: Jan-Piet Mens (@jpmens) <jpmens(at)gmail.com>
short_description: query a domain(s)'s DNS txt fields
requirements:
- dns/dns.resolver (python library)
description:
- Uses a python library to return the DNS TXT record for a domain.
options:
_terms:
description: domain or list of domains to query TXT records from
required: True
type: list
elements: string
'''
EXAMPLES = """
- name: show txt entry
ansible.builtin.debug:
msg: "{{lookup('community.general.dnstxt', ['test.example.com'])}}"
- name: iterate over txt entries
ansible.builtin.debug:
msg: "{{item}}"
with_community.general.dnstxt:
- 'test.example.com'
- 'other.example.com'
- 'last.example.com'
- name: iterate of a comma delimited DNS TXT entry
ansible.builtin.debug:
msg: "{{item}}"
with_community.general.dnstxt: "{{lookup('community.general.dnstxt', ['test.example.com']).split(',')}}"
"""
RETURN = """
_list:
description:
- values returned by the DNS TXT record.
type: list
"""
HAVE_DNS = False
try:
import dns.resolver
from dns.exception import DNSException
HAVE_DNS = True
except ImportError:
pass
from ansible.errors import AnsibleError
from ansible.module_utils.common.text.converters import to_native
from ansible.plugins.lookup import LookupBase
# ==============================================================
# DNSTXT: DNS TXT records
#
# key=domainname
# TODO: configurable resolver IPs
# --------------------------------------------------------------
class LookupModule(LookupBase):
def run(self, terms, variables=None, **kwargs):
if HAVE_DNS is False:
raise AnsibleError("Can't LOOKUP(dnstxt): module dns.resolver is not installed")
ret = []
for term in terms:
domain = term.split()[0]
string = []
try:
answers = dns.resolver.query(domain, 'TXT')
for rdata in answers:
s = rdata.to_text()
string.append(s[1:-1]) # Strip outside quotes on TXT rdata
except dns.resolver.NXDOMAIN:
string = 'NXDOMAIN'
except dns.resolver.Timeout:
string = ''
except dns.resolver.NoAnswer:
string = ''
except DNSException as e:
raise AnsibleError("dns.resolver unhandled exception %s" % to_native(e))
ret.append(''.join(string))
return ret