/usr/lib/mysql-mmm/agent/mysql_deny_write is in mysql-mmm-agent 2.2.1-1.1.
This file is owned by root:root, with mode 0o775.
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 | #!/usr/bin/env perl
# Use mandatory external modules
use strict;
use warnings FATAL => 'all';
use MMM::Common::Config;
use MMM::Agent::Helpers::Actions;
# Check arguments
if (scalar(@ARGV) != 1) {
print "Usage: $0 <config_file>\n\n";
exit(1);
}
# Read config file
my $config_file = shift;
our $config = new MMM::Common::Config::;
$config->read($config_file);
$config->check('AGENT');
# Finally do the work
MMM::Agent::Helpers::Actions::mysql_deny_write();
__END__
=head1 NAME
mysql_deny_write
=head1 DESCRIPTION
mysql_deny_write is a helper binary for B<mmm_agentd>. It denies writes on the local MySQL server by setting global read_only to 1.
=head1 USAGE
mysql_deny_write
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