/usr/bin/masterha_master_monitor is in mha4mysql-manager 0.53-3.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | #!/usr/bin/env perl
# Copyright (C) 2011 DeNA Co.,Ltd.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
use strict;
use warnings FATAL => 'all';
use English qw(-no_match_vars);
use Getopt::Long qw(:config pass_through);
use Pod::Usage;
use MHA::MasterMonitor;
use MHA::ManagerConst;
my $help;
my $version;
$| = 1;
GetOptions(
'help' => \$help,
'version' => \$version,
);
if ($version) {
print "masterha_master_monitor version $MHA::ManagerConst::VERSION.\n";
exit 0;
}
if ($help) {
pod2usage(0);
}
my ( $exit_code, $dead_master, $ssh_reachable ) =
MHA::MasterMonitor::main( "--monitor_only", @ARGV );
if ( $dead_master->{hostname} ) {
print "Master $dead_master->{hostname} is dead!\n";
print "IP Address: $dead_master->{ip} ";
print "Port: $dead_master->{port}\n";
}
if ( $exit_code && $exit_code eq "0" ) {
if ($ssh_reachable) {
print "SSH: reachable\n";
}
else {
print "SSH: NOT reachable\n";
}
exit 0;
}
exit 1 if ( !defined($exit_code) );
exit $exit_code;
# ############################################################################
# Documentation
# ############################################################################
=pod
=head1 NAME
masterha_master_monitor - Monitoring MySQL master server availability
=head1 SYNOPSIS
masterha_master_monitor --global_conf=/etc/masterha_default.cnf --conf=/usr/local/masterha/app1.cnf
=head1 DESCRIPTION
masterha_master_monitor is intended to be invoked from masterha_manager.
|