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# Copyright (C) 2017 Red Hat, Inc., Marcus Linden <mlinden@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.report.plugins import (Plugin, IndependentPlugin, SoSPredicate,
PluginOpt)
class Conntrack(Plugin, IndependentPlugin):
short_desc = 'conntrack - netfilter connection tracking'
plugin_name = 'conntrack'
profiles = ('network', 'cluster')
packages = ('conntrack-tools', 'conntrack', 'conntrackd')
option_list = [
PluginOpt("namespaces", default=None, val_type=int,
desc="Number of namespaces to collect, 0 for unlimited"),
]
def setup(self):
# Collect info from conntrackd
self.add_copy_spec("/etc/conntrackd/conntrackd.conf")
self.add_cmd_output([
"conntrackd -s network",
"conntrackd -s cache",
"conntrackd -s runtime",
"conntrackd -s link",
"conntrackd -s rsqueue",
"conntrackd -s queue",
"conntrackd -s ct",
"conntrackd -s expect",
])
# Collect info from conntrack, only when all required kmods are loaded
ct_pred = SoSPredicate(self,
kmods=['nf_conntrack',
'nf_conntrack_netlink',
'nf_defrag_ipv4',
'nf_defrag_ipv6',
'nfnetlink'],
required={'kmods': 'all'})
self.add_cmd_output([
"conntrack -L -o extended",
"conntrack -S",
], pred=ct_pred)
# Capture additional data from namespaces; each command is run
# per-namespace
cmd_prefix = "ip netns exec "
nsps = self.get_option('namespaces')
for namespace in self.get_network_namespaces(ns_max=nsps):
ns_cmd_prefix = cmd_prefix + namespace + " "
self.add_cmd_output(ns_cmd_prefix + "conntrack -L -o extended")
self.add_cmd_output(ns_cmd_prefix + "conntrack -S")
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