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Add several DNS-related facts by parsing /etc/resolv.conf

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Facts include nameservers, domain, search path, sortlist, and options.
This commit is contained in:
Reed Loden 2014-09-28 17:24:16 -07:00 committed by Reed Loden
parent 7f45c9edf7
commit eb1fb41576
1 changed files with 32 additions and 0 deletions
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32
lib/ansible/module_utils/facts.py
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@ -151,6 +151,7 @@ class Facts(object):
self.get_user_facts()
self.get_local_facts()
self.get_env_facts()
self.get_dns_facts()
def populate(self):
return self.facts
@ -632,6 +633,37 @@ class Facts(object):
for k,v in os.environ.iteritems():
self.facts['env'][k] = v
def get_dns_facts(self):
self.facts['dns'] = {}
for line in get_file_lines('/etc/resolv.conf'):
if line.startswith('#') or line.startswith(';') or line.strip() == '':
continue
tokens = line.split()
if len(tokens) == 0:
continue
if tokens[0] == 'nameserver':
self.facts['dns']['nameservers'] = []
for nameserver in tokens[1:]:
self.facts['dns']['nameservers'].append(nameserver)
elif tokens[0] == 'domain':
self.facts['dns']['domain'] = tokens[1]
elif tokens[0] == 'search':
self.facts['dns']['search'] = []
for suffix in tokens[1:]:
self.facts['dns']['search'].append(suffix)
elif tokens[0] == 'sortlist':
self.facts['dns']['sortlist'] = []
for address in tokens[1:]:
self.facts['dns']['sortlist'].append(address)
elif tokens[0] == 'options':
self.facts['dns']['options'] = {}
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
self.facts['dns']['options'][option_tokens[0]] = val
class Hardware(Facts):
"""
This is a generic Hardware subclass of Facts. This should be further