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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") # vim: set et ts=4 sw=4 :