Add conntrackd role
parent
4d85cd7e4b
commit
237a47b4f3
GPG Key ID:
800882B66C0C3326
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---
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conntrackd_hash_size: 8192
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conntrackd_hash_limit: 65535
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conntrackd_socket_buffer_size: 262142
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conntrackd_socket_buffer_size_max: 655355
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conntrackd_ignore_addrs_ipv6: []
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conntrackd_ignore_addrs_ipv4: []
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conntrackd_ftfw_commit_timeout: 1800
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conntrackd_ftfw_purge_timeout: 5
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conntrackd_udp_listen_port: 3780
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conntrackd_udp_send_buffer: 1249280
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conntrackd_udp_receive_buffer: 1249280
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...
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---
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- name: Restart conntrackd
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systemd:
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name: conntrackd
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state: restarted
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...
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---
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- name: Install conntrackd
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apt:
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name: conntrackd
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- name: Configure conntrackd
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template:
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src: conntrackd.conf.j2
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dest: /etc/conntrackd/conntrackd.conf
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owner: root
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group: root
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mode: u=rw,g=r,o=r
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notify:
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- Restart conntrackd
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- name: Install conntrackd_vrrp script
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template:
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src: conntrackd_vrrp.j2
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dest: /usr/local/sbin/conntrackd_vrrp
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owner: root
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group: root
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mode: u=rwx,g=r,o=r
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- name: Enable and start conntrackd
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systemd:
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name: conntrackd
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enabled: true
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state: started
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...
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{{ ansible_managed | comment}}
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General {
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HashSize {{ conntrackd_hash_size }}
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HashLimit {{ conntrackd_hash_limit }}
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Syslog on
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LockFile /var/log/conntrackd.lock
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UNIX {
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Path /var/run/conntrackd.sock
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}
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SocketBufferSize {{ conntrackd_socket_buffer_size }}
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SocketBufferSizeMaxGrown {{ conntrackd_socket_buffer_size_max }}
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Systemd on
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Filter From Userspace {
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Protocol Accept {
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TCP
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UDP
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}
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Address Ignore {
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{% for addr in conntrackd_ignore_addrs_ipv6 %}
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IPv6_address {{ addr }}
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{% endfor %}
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{% for addr in conntrackd_ignore_addrs_ipv4 %}
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IPv4_address {{ addr }}
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{% endfor %}
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}
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}
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}
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Sync {
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Mode FTFW {
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DisableExternalCache off
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StartupResync on
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CommitTimeout {{ conntrackd_ftfw_commit_timeout }}
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PurgeTimeout {{ conntrackd_ftfw_purge_timeout }}
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}
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UDP {
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IPv6_address {{ conntrackd_udp_listen_ipv6 }}
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IPv4_Destination_Address {{ conntrackd_udp_dest_ipv6 }}
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Port {{ conntrackd_udp_listen_port }}
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Interface {{ conntrackd_udp_iface }}
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SndSocketBuffer {{ conntrackd_udp_send_buffer }}
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RcvSocketBuffer {{ conntrackd_udp_receive_buffer }}
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Checksum on
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}
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}
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#!/bin/sh
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{{ ansible_managed | comment }}
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#
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# (C) 2006-2011 by Pablo Neira Ayuso <pablo@netfilter.org>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation; either version 2 of the License, or
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# (at your option) any later version.
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#
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# Description:
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#
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# This is the script for primary-backup setups for keepalived
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# (http://www.keepalived.org). You may adapt it to make it work with other
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# high-availability managers.
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#
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# Do not forget to include the required modifications to your keepalived.conf
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# file to invoke this script during keepalived's state transitions.
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#
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# Contributions to improve this script are welcome :).
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#
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CONNTRACKD_BIN=/usr/sbin/conntrackd
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CONNTRACKD_LOCK=/var/lock/conntrack.lock
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CONNTRACKD_CONFIG=/etc/conntrackd/conntrackd.conf
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case "$1" in
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primary)
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#
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# commit the external cache into the kernel table
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#
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$CONNTRACKD_BIN -C $CONNTRACKD_CONFIG -c
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if [ $? -eq 1 ]
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then
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logger "ERROR: failed to invoke conntrackd -c"
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fi
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#
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# flush the internal and the external caches
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#
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$CONNTRACKD_BIN -C $CONNTRACKD_CONFIG -f
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if [ $? -eq 1 ]
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then
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logger "ERROR: failed to invoke conntrackd -f"
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fi
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#
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# resynchronize my internal cache to the kernel table
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#
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$CONNTRACKD_BIN -C $CONNTRACKD_CONFIG -R
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if [ $? -eq 1 ]
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then
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logger "ERROR: failed to invoke conntrackd -R"
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fi
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#
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# send a bulk update to backups
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#
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$CONNTRACKD_BIN -C $CONNTRACKD_CONFIG -B
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if [ $? -eq 1 ]
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then
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logger "ERROR: failed to invoke conntrackd -B"
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fi
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;;
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backup)
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#
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# is conntrackd running? request some statistics to check it
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#
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$CONNTRACKD_BIN -C $CONNTRACKD_CONFIG -s
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if [ $? -eq 1 ]
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then
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#
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# something's wrong, do we have a lock file?
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#
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if [ -f $CONNTRACKD_LOCK ]
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then
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logger "WARNING: conntrackd was not cleanly stopped."
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logger "If you suspect that it has crashed:"
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logger "1) Enable coredumps"
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logger "2) Try to reproduce the problem"
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logger "3) Post the coredump to netfilter-devel@vger.kernel.org"
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rm -f $CONNTRACKD_LOCK
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fi
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$CONNTRACKD_BIN -C $CONNTRACKD_CONFIG -d
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if [ $? -eq 1 ]
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then
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logger "ERROR: cannot launch conntrackd"
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exit 1
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fi
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fi
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#
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# shorten kernel conntrack timers to remove the zombie entries.
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#
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$CONNTRACKD_BIN -C $CONNTRACKD_CONFIG -t
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if [ $? -eq 1 ]
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then
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logger "ERROR: failed to invoke conntrackd -t"
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fi
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#
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# request resynchronization with master firewall replica (if any)
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# Note: this does nothing in the alarm approach.
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#
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$CONNTRACKD_BIN -C $CONNTRACKD_CONFIG -n
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if [ $? -eq 1 ]
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then
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logger "ERROR: failed to invoke conntrackd -n"
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fi
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;;
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fault)
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#
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# shorten kernel conntrack timers to remove the zombie entries.
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#
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$CONNTRACKD_BIN -C $CONNTRACKD_CONFIG -t
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if [ $? -eq 1 ]
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then
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logger "ERROR: failed to invoke conntrackd -t"
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fi
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;;
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*)
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logger "ERROR: unknown state transition"
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echo "Usage: $0 {primary|backup|fault}"
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exit 1
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;;
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esac
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exit 0
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