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# 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 <http://www.gnu.org/licenses/>.
from __future__ import annotations
import typing as t
from ansible.module_utils.facts.utils import get_file_content
from ansible.module_utils.facts.collector import BaseFactCollector
class DnsFactCollector(BaseFactCollector):
name = 'dns'
_fact_ids = set() # type: t.Set[str]
def collect(self, module=None, collected_facts=None):
dns_facts = {}
# TODO: flatten
dns_facts['dns'] = {}
for line in get_file_content('/etc/resolv.conf', '').splitlines():
if line.startswith('#') or line.startswith(';') or line.strip() == '':
continue
tokens = line.split()
if len(tokens) == 0:
continue
if tokens[0] == 'nameserver':
if 'nameservers' not in dns_facts['dns']:
dns_facts['dns']['nameservers'] = []
for nameserver in tokens[1:]:
dns_facts['dns']['nameservers'].append(nameserver)
elif tokens[0] == 'domain':
if len(tokens) > 1:
dns_facts['dns']['domain'] = tokens[1]
elif tokens[0] == 'search':
dns_facts['dns']['search'] = []
for suffix in tokens[1:]:
dns_facts['dns']['search'].append(suffix)
elif tokens[0] == 'sortlist':
dns_facts['dns']['sortlist'] = []
for address in tokens[1:]:
dns_facts['dns']['sortlist'].append(address)
elif tokens[0] == 'options':
dns_facts['dns']['options'] = {}
if len(tokens) > 1:
for option in tokens[1:]:
option_tokens = option.split(':', 1)
if len(option_tokens) == 0:
continue
val = len(option_tokens) == 2 and option_tokens[1] or True
dns_facts['dns']['options'][option_tokens[0]] = val
return dns_facts
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