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# Copyright 2023 Red Hat, Inc. Jake Hunsaker <jhunsake@redhat.com>
# This file is part of the sos project: https://github.com/sosreport/sos
#
# This copyrighted material is made available to anyone wishing to use,
# modify, copy, or redistribute it subject to the terms and conditions of
# version 2 of the GNU General Public License.
#
# See the LICENSE file in the source distribution for further information.
from sos.cleaner.preppers import SoSPrepper
class HostnamePrepper(SoSPrepper):
"""
Prepper for providing domain and hostname information to the hostname
mapping.
The items from hostname sources are handled manually via the _get_items
method, rather than passing the file directly, as the parser does not know
what hostnames or domains to match on initially.
This will also populate the regex_items list with local short names.
"""
name = 'hostname'
def _get_items_for_hostname(self, archive):
items = []
_file = 'hostname'
if archive.is_sos:
_file = 'sos_commands/host/hostname'
elif archive.is_insights:
_file = 'data/insights_commands/hostname_-f'
content = archive.get_file_content(_file)
if content and content != 'localhost':
domains = content.split('.')
if len(domains) > 1:
items.append(domains[0])
self.regex_items['hostname'].add((domains[0]))
if len(domains) > 3:
# make sure we get example.com if the system's hostname
# is something like foo.bar.example.com
top_domain = '.'.join(domains[-2:])
items.append(top_domain.strip())
items.append(content.strip())
_hosts = archive.get_file_content('etc/hosts')
for line in _hosts.splitlines():
if line.startswith('#') or 'localhost' in line:
continue
hostln = line.split()[1:]
for host in hostln:
if len(host.split('.')) == 1:
self.regex_items['hostname'].add(host)
else:
items.append(host)
for domain in self.opts.domains:
items.append(domain)
return items