Source code for insights.parsers.nsswitch_conf

NSSwitchConf - file ``/etc/nsswitch.conf``


from insights import LegacyItemAccess, Parser, parser
from insights.parsers import get_active_lines
from insights.specs import Specs

[docs] @parser(Specs.nsswitch_conf) class NSSwitchConf(Parser, LegacyItemAccess): """ Read the contents of the ``/etc/nsswitch.conf`` file. Each non-commented line is split into the service and its sources. The sources (e.g. 'files sss') are stored as is, as a string. nsswitch.conf is case insensitive. This means that both the service and its sources are converted to lower case and searches should be done using lower case text. Attributes: data (dict): The service dictionary errors (list): Non-blank lines which don't contain a ':' sources (set): An unordered set of the sources seen in this file Sample content:: # Example: #passwd: db files nisplus nis #shadow: db files nisplus nis #group: db files nisplus nis passwd: files sss shadow: files sss group: files sss #initgroups: files #hosts: db files nisplus nis dns hosts: files dns myhostname Examples: >>> nss = shared[NSSwitchConf] >>> 'passwd' in nss True >>> 'initgroups' in nss False >>> nss['passwd'] 'files nss' >>> 'files' in nss['hosts'] True >>> nss.errors [] >>> nss.sources set(['files', 'dns', 'sss', 'myhostname']) """
[docs] def parse_content(self, content): self.errors = [] = {} self.sources = set() for line in get_active_lines(content): if ':' not in line: self.errors.append(line) else: service, sources = [s.lower().strip() for s in line.split(':', 1)][service] = sources self.sources.update(set(sources.split(None)))