1 files changed, 68 insertions, 0 deletions
diff --git a/lib/ansible/module_utils/facts/system/dns.py b/lib/ansible/module_utils/facts/system/dns.py
new file mode 100644
index 0000000..d913f4a
--- /dev/null
+++ b/lib/ansible/module_utils/facts/system/dns.py
@@ -0,0 +1,68 @@
+# 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 (absolute_import, division, print_function)
+__metaclass__ = type
+
+import ansible.module_utils.compat.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