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2a568d6e79
This is to send dbus events on major cluster events: - membership changes - application connect/dissconnet from corosync - quorum changes dbus events can then be converted into snmp traps by foghorn or corosync-notifyd can be run to directly send snmp traps. Signed-off-by: Angus Salkeld <asalkeld@redhat.com> Signed-off-by: Lon Hohberger <lhh@redhat.com> Reviewed-by: Steven Dake <sdake@redhat.com> Reviewed-by: Russell Bryant <russell@russellbryant.net> Reviewed-by: Fabio M. Di Nitto <fdinitto@redhat.com>
146 lines
4.3 KiB
Groff
146 lines
4.3 KiB
Groff
.\"/*
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.\" * Copyright (C) 2010 Red Hat, Inc.
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.\" *
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.\" * All rights reserved.
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.\" *
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.\" * Author: Angus Salkeld <asalkeld@redhat.com>
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.\" *
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.\" * This software licensed under BSD license, the text of which follows:
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.\" *
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.\" * Redistribution and use in source and binary forms, with or without
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.\" * modification, are permitted provided that the following conditions are met:
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.\" *
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.\" * - Redistributions of source code must retain the above copyright notice,
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.\" * this list of conditions and the following disclaimer.
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.\" * - Redistributions in binary form must reproduce the above copyright notice,
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.\" * this list of conditions and the following disclaimer in the documentation
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.\" * and/or other materials provided with the distribution.
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.\" * - Neither the name of Red Hat, Inc. nor the names of its
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.\" * contributors may be used to endorse or promote products derived from this
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.\" * software without specific prior written permission.
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.\" *
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.\" * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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.\" * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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.\" * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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.\" * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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.\" * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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.\" * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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.\" * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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.\" * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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.\" * THE POSSIBILITY OF SUCH DAMAGE.
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.\" */
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.TH COROSYNC-NOTIFYD 8 2011-01-14
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.SH NAME
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corosync-notifyd \- Listen for important corosync events and send dbus and/or snmp traps.
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.SH SYNOPSIS
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.B "corosync-notifyd [\-f] [\-l] [\-o] [\-s] [\-m] [manager] [\-d] [-h]"
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.SH DESCRIPTION
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.B corosync-notifyd
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uses corosync API to listen for important cluster events and can log them,
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generate dbus signals or genterate snmp traps.
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.SH OPTIONS
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.TP
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.B -f
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Start application in foreground.
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.TP
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.B -l
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Log all events.
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.TP
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.B -o
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Print events to stdout (turns on -l).
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.TP
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.B -s
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Send SNMP traps on all events.
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.TP
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.B -m
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Set the SNMP manager address.
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.TP
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.B -d
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Send DBUS signals on all events.
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.TP
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.B -h
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Print this help
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.SH EXAMPLES
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.br
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$ corosync-notifyd -o
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.br
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corosync-notifyd[18505]: troll[23374016] corosync-notify:18505:12 is now connected to corosync
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.br
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corosync-notifyd[18505]: troll[23374016] corosync-notify:18505:13 is now disconnected from corosync
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.br
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corosync-notifyd[18505]: troll[23374016] is now quorate
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.br
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corosync-notifyd[18505]: r2[1550100672] ip:192.168.100.92 joined
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.br
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corosync-notifyd[18505]: r2[1550100672] ip:192.168.100.92 left
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.br
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.br
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$ corosync-notifyd -o
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.br
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Note this output below is from "dbus-monitor --system"
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.br
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signal sender=:1.216 -> dest=(null destination) serial=2 path=/com/redhat/cluster/corosync;
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interface=com.redhat.cluster.corosync; member=ConnectionStateChange
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.br
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string "troll"
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.br
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uint32 23374016
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.br
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string "corosync-notify:18900:12"
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.br
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string "connected"
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.br
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signal sender=:1.216 -> dest=(null destination) serial=3 path=/com/redhat/cluster/corosync;
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interface=com.redhat.cluster.corosync; member=ConnectionStateChange
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.br
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string "troll"
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.br
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uint32 23374016
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.br
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string "corosync-notify:18900:13"
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.br
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string "disconnected"
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.br
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signal sender=:1.216 -> dest=(null destination) serial=4 path=/com/redhat/cluster/corosync;
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interface=com.redhat.cluster.corosync; member=QorumStateChange
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.br
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string "troll"
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.br
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uint32 23374016
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.br
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string "quorate"
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.br
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signal sender=:1.216 -> dest=(null destination) serial=5 path=/com/redhat/cluster/corosync;
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interface=com.redhat.cluster.corosync; member=NodeStateChange
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.br
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string "r2"
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.br
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uint32 1550100672
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.br
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string "192.168.100.92"
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.br
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string "joined"
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.br
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signal sender=:1.216 -> dest=(null destination) serial=6 path=/com/redhat/cluster/corosync;
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interface=com.redhat.cluster.corosync; member=NodeStateChange
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.br
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string "r2"
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.br
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uint32 1550100672
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.br
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string "192.168.100.92"
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.br
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string "left"
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.SH SEE ALSO
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.BR corosync (8),
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.BR corosync-objctl (8),
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.BR dbus-monitor (1),
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.SH AUTHOR
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Angus Salkeld
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.PP
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