"""
Custom datasource to get the linux users count who map to a selinux user.
"""
import json
from insights.core.context import HostContext
from insights.core.exceptions import SkipComponent
from insights.core.filters import get_filters
from insights.core.plugins import datasource
from insights.core.spec_factory import DatasourceProvider, simple_command
from insights.parsers import parse_fixed_table
from insights.specs import Specs
[docs]
class LocalSpecs(Specs):
""" Local specs used only by users_count_map_selinux_user datasource """
selinux_user_mapping = simple_command("/sbin/semanage login -l")
[docs]
@datasource(LocalSpecs.selinux_user_mapping, HostContext)
def users_count_map_selinux_user(broker):
"""
Get linux users count who map to the selinux user. It returns a dict with
the selinux user type as the key, and the linux users count as the value.
Raises:
SkipComponent: Raised when there are no users map the filtered selinux user.
"""
user_mapping_lines = broker[LocalSpecs.selinux_user_mapping].content
data = parse_fixed_table(
user_mapping_lines,
heading_ignore=['Login Name'],
header_substitute=[
('Login Name', 'login_name'),
('SELinux User', 'selinux_user'),
('MLS/MCS Range', 'mls_mcs_range'),
('Service', 'service'),
]
)
filters = sorted((get_filters(Specs.selinux_users)))
users_info = {}
for filter in filters:
users_info[filter] = len([obj for obj in data if obj['selinux_user'] == filter])
if users_info:
return DatasourceProvider(json.dumps(users_info), relative_path='insights_commands/linux_users_count_map_selinux_user')
raise SkipComponent