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932 lines
27 KiB
932 lines
27 KiB
#!@PERL_PATH@
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# Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
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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, version 2.0,
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# as published by the Free Software Foundation.
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#
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# This program is also distributed with certain software (including
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# but not limited to OpenSSL) that is licensed under separate terms,
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# as designated in a particular file or component or in included license
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# documentation. The authors of MySQL hereby grant you an additional
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# permission to link the program and your derivative works with the
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# separately licensed software that they have included with MySQL.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License, version 2.0, for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
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use Getopt::Long;
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use POSIX qw(strftime getcwd);
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use File::Path qw(mkpath);
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$|=1;
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$VER="2.16";
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my @defaults_options; # Leading --no-defaults, --defaults-file, etc.
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$opt_example = 0;
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$opt_help = 0;
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$opt_log = undef();
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$opt_mysqladmin = "@bindir@/mysqladmin";
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$opt_mysqld = "@libexecdir@/mysqld";
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$opt_no_log = 0;
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$opt_password = undef();
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$opt_tcp_ip = 0;
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$opt_user = "root";
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$opt_version = 0;
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$opt_silent = 0;
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$opt_verbose = 0;
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my $my_print_defaults_exists= 1;
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my $logdir= undef();
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my ($mysqld, $mysqladmin, $groupids, $homedir, $my_progname);
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$homedir = $ENV{HOME};
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$my_progname = $0;
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$my_progname =~ s/.*[\/]//;
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if (defined($ENV{UMASK})) {
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my $UMASK = $ENV{UMASK};
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my $m;
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my $fmode = "0640";
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if(($UMASK =~ m/[^0246]/) || ($UMASK =~ m/^[^0]/) || (length($UMASK) != 4)) {
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printf("UMASK must be a 3-digit mode with an additional leading 0 to indicate octal.\n");
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printf("The first digit will be corrected to 6, the others may be 0, 2, 4, or 6.\n"); }
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else {
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$fmode= substr $UMASK, 2, 2;
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$fmode= "06${fmode}"; }
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if($fmode != $UMASK) {
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printf("UMASK corrected from $UMASK to $fmode ...\n"); }
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$fmode= oct($fmode);
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umask($fmode);
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}
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main();
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####
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#### main sub routine
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####
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sub main
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{
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my $flag_exit= 0;
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if (!defined(my_which(my_print_defaults)))
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{
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# We can't throw out yet, since --version, --help, or --example may
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# have been given
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print "WARNING: my_print_defaults command not found.\n";
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print "Please make sure you have this command available and\n";
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print "in your path. The command is available from the latest\n";
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print "MySQL distribution.\n";
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$my_print_defaults_exists= 0;
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}
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# Remove leading defaults options from @ARGV
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while (@ARGV > 0)
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{
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last unless $ARGV[0] =~
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/^--(?:no-defaults$|(?:defaults-file|defaults-extra-file)=)/;
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push @defaults_options, (shift @ARGV);
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}
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foreach (@defaults_options)
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{
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$_ = quote_shell_word($_);
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}
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# Add [mysqld_multi] options to front of @ARGV, ready for GetOptions()
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unshift @ARGV, defaults_for_group('mysqld_multi');
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# We've already handled --no-defaults, --defaults-file, etc.
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if (!GetOptions("help", "example", "version", "mysqld=s", "mysqladmin=s",
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"user=s", "password=s", "log=s", "no-log",
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"tcp-ip", "silent", "verbose"))
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{
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$flag_exit= 1;
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}
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usage() if ($opt_help);
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if ($opt_verbose && $opt_silent)
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{
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print "Both --verbose and --silent have been given. Some of the warnings ";
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print "will be disabled\nand some will be enabled.\n\n";
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}
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init_log() if (!defined($opt_log));
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$groupids = $ARGV[1];
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if ($opt_version)
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{
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print "$my_progname version $VER by Jani Tolonen\n";
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exit(0);
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}
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example() if ($opt_example);
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if ($flag_exit)
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{
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print "Error with an option, see $my_progname --help for more info.\n";
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exit(1);
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}
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if (!defined(my_which(my_print_defaults)))
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{
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print "ABORT: Can't find command 'my_print_defaults'.\n";
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print "This command is available from the latest MySQL\n";
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print "distribution. Please make sure you have the command\n";
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print "in your PATH.\n";
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exit(1);
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}
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usage() if (!defined($ARGV[0]) ||
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(!($ARGV[0] =~ m/^start$/i) &&
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!($ARGV[0] =~ m/^stop$/i) &&
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!($ARGV[0] =~ m/^reload$/i) &&
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!($ARGV[0] =~ m/^report$/i)));
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if (!$opt_no_log)
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{
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w2log("$my_progname log file version $VER; run: ",
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"$opt_log", 1, 0);
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}
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else
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{
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print "$my_progname log file version $VER; run: ";
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print strftime "%a %b %e %H:%M:%S %Y", localtime;
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print "\n";
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}
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if (($ARGV[0] =~ m/^start$/i) || ($ARGV[0] =~ m/^reload$/i))
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{
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if (!defined(($mysqld= my_which($opt_mysqld))) && $opt_verbose)
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{
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print "WARNING: Couldn't find the default mysqld binary.\n";
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print "Tried: $opt_mysqld\n";
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print "This is OK, if you are using option \"mysqld=...\" in ";
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print "groups [mysqldN] separately for each.\n\n";
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}
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if ($ARGV[0] =~ m/^start$/i) {
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start_mysqlds();
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} elsif ($ARGV[0] =~ m/^reload$/i) {
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reload_mysqlds();
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}
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}
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else
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{
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if (!defined(($mysqladmin= my_which($opt_mysqladmin))) && $opt_verbose)
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{
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print "WARNING: Couldn't find the default mysqladmin binary.\n";
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print "Tried: $opt_mysqladmin\n";
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print "This is OK, if you are using option \"mysqladmin=...\" in ";
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print "groups [mysqldN] separately for each.\n\n";
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}
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if ($ARGV[0] =~ m/^report$/i)
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{
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report_mysqlds();
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}
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else
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{
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stop_mysqlds();
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}
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}
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}
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#
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# Quote word for shell
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#
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sub quote_shell_word
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{
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my ($option)= @_;
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$option =~ s!([^\w=./-])!\\$1!g;
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return $option;
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}
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sub defaults_for_group
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{
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my ($group) = @_;
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return () unless $my_print_defaults_exists;
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my $com= join ' ', 'my_print_defaults', @defaults_options, $group;
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my @defaults = `$com`;
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chomp @defaults;
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return @defaults;
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}
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####
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#### Init log file. Check for appropriate place for log file, in the following
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#### order: my_print_defaults mysqld datadir, @datadir@
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####
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sub init_log
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{
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foreach my $opt (defaults_for_group('mysqld'))
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{
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if ($opt =~ m/^--datadir=(.*)/ && -d "$1" && -w "$1")
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{
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$logdir= $1;
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}
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}
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if (!defined($logdir))
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{
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$logdir= "@datadir@" if (-d "@datadir@" && -w "@datadir@");
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}
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if (!defined($logdir))
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{
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# Log file was not specified and we could not log to a standard place,
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# so log file be disabled for now.
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if (!$opt_silent)
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{
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print "WARNING: Log file disabled. Maybe directory or file isn't writable?\n";
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}
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$opt_no_log= 1;
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}
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else
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{
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$opt_log= "$logdir/mysqld_multi.log";
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}
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}
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####
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#### Report living and not running MySQL servers
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####
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sub report_mysqlds
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{
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my (@groups, $com, $i, @options, $pec);
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print "Reporting MySQL servers\n";
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if (!$opt_no_log)
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{
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w2log("\nReporting MySQL servers","$opt_log",0,0);
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}
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@groups = &find_groups($groupids);
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for ($i = 0; defined($groups[$i]); $i++)
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{
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$com= get_mysqladmin_options($i, @groups);
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$com.= " ping >> /dev/null 2>&1";
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system($com);
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$pec = $? >> 8;
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if ($pec)
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{
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print "MySQL server from group: $groups[$i] is not running\n";
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if (!$opt_no_log)
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{
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w2log("MySQL server from group: $groups[$i] is not running",
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"$opt_log", 0, 0);
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}
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}
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else
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{
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print "MySQL server from group: $groups[$i] is running\n";
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if (!$opt_no_log)
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{
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w2log("MySQL server from group: $groups[$i] is running",
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"$opt_log", 0, 0);
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}
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}
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}
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if (!$i)
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{
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print "No groups to be reported (check your GNRs)\n";
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if (!$opt_no_log)
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{
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w2log("No groups to be reported (check your GNRs)", "$opt_log", 0, 0);
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}
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}
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}
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####
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#### start multiple servers
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####
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sub start_mysqlds()
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{
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my (@groups, $com, $tmp, $i, @options, $j, $mysqld_found, $info_sent);
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if (!$opt_no_log)
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{
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w2log("\nStarting MySQL servers\n","$opt_log",0,0);
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}
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else
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{
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print "\nStarting MySQL servers\n";
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}
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@groups = &find_groups($groupids);
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for ($i = 0; defined($groups[$i]); $i++)
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{
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@options = defaults_for_group($groups[$i]);
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$basedir_found= 0; # The default
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$mysqld_found= 1; # The default
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$mysqld_found= 0 if (!length($mysqld));
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# Initialize the command.
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$com= "$mysqld";
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# Initialize the command option list, process the options,
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# reset command if relevant, append key options to command line.
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for ($j = 0, $tmp= ""; defined($options[$j]); $j++)
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{
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if ("--datadir=" eq substr($options[$j], 0, 10)) {
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$datadir = $options[$j];
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$datadir =~ s/\-\-datadir\=//;
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eval { mkpath($datadir) };
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if ($@) {
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print "FATAL ERROR: Cannot create data directory $datadir: $!\n";
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exit(1);
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}
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# Quote and append 'datadir' to command line.
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$options[$j]= quote_shell_word($options[$j]);
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$tmp.= " $options[$j]";
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}
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elsif ("--mysqladmin=" eq substr($options[$j], 0, 13))
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{
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# catch this and ignore
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}
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elsif ("--mysqld=" eq substr($options[$j], 0, 9))
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{
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$options[$j]=~ s/\-\-mysqld\=//;
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# Reset command.
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$com= $options[$j];
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$mysqld_found= 1;
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}
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elsif ("--basedir=" eq substr($options[$j], 0, 10))
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{
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$basedir= $options[$j];
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$basedir =~ s/^--basedir=//;
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$basedir_found= 1;
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# Quote and append 'basedir' to command line.
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$options[$j]= quote_shell_word($options[$j]);
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$tmp.= " $options[$j]";
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}
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else
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{
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# Quote and append additional options to command line.
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$options[$j]= quote_shell_word($options[$j]);
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$tmp.= " $options[$j]";
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}
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}
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if ($opt_verbose && $com =~ m/\/(safe_mysqld|mysqld_safe)$/ && !$info_sent)
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{
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print "WARNING: $1 is being used to start mysqld. In this case you ";
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print "may need to pass\n\"ledir=...\" under groups [mysqldN] to ";
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print "$1 in order to find the actual mysqld binary.\n";
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print "ledir (library executable directory) should be the path to the ";
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print "wanted mysqld binary.\n\n";
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$info_sent= 1;
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}
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# Prepare command line by appending command and option list, and redirect output.
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$com.= $tmp;
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$com.= " >> $opt_log 2>&1" if (!$opt_no_log);
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if (!$mysqld_found)
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{
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print "\n";
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print "FATAL ERROR: Tried to start mysqld under group [$groups[$i]], ";
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print "but no mysqld binary was found.\n";
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print "Please add \"mysqld=...\" in group [mysqld_multi], or add it to ";
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print "group [$groups[$i]] separately.\n";
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exit(1);
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}
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if ($basedir_found)
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{
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$curdir=getcwd();
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chdir($basedir) or die "Can't change to datadir $basedir";
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}
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# Prepare datadir by initializing the server, unless this is already done.
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if (! -d $datadir."/mysql") {
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if (-w $datadir) {
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print "\n\nInstalling new database in $datadir\n\n";
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system($com." --initialize");
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} else {
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print "\n";
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print "FATAL ERROR: Tried to create mysqld under group [$groups[$i]],\n";
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print "but the data directory is not writable.\n";
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print "data directory used: $datadir\n";
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exit(1);
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}
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}
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if (! -d $datadir."/mysql") {
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print "\n";
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print "FATAL ERROR: Tried to start mysqld under group [$groups[$i]],\n";
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print "but no data directory was found or could be created.\n";
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print "data directory used: $datadir\n";
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exit(1);
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}
|
|
# Start the command in the background.
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system($com." &");
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if ($basedir_found)
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{
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chdir($curdir) or die "Can't change back to original dir $curdir";
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}
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}
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if (!$i && !$opt_no_log)
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{
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w2log("No MySQL servers to be started (check your GNRs)",
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"$opt_log", 0, 0);
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}
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}
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|
|
|
####
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#### reload multiple servers
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####
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sub reload_mysqlds()
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{
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my (@groups, $com, $tmp, $i, @options, $j);
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if (!$opt_no_log)
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{
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w2log("\nReloading MySQL servers\n","$opt_log",0,0);
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}
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else
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{
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print "\nReloading MySQL servers\n";
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|
}
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|
@groups = &find_groups($groupids);
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for ($i = 0; defined($groups[$i]); $i++)
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{
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|
$mysqld_server = $mysqld;
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|
@options = defaults_for_group($groups[$i]);
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for ($j = 0, $tmp= ""; defined($options[$j]); $j++)
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{
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|
if ("--mysqladmin=" eq substr($options[$j], 0, 13))
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|
{
|
|
# catch this and ignore
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|
}
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|
elsif ("--mysqld=" eq substr($options[$j], 0, 9))
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|
{
|
|
$options[$j] =~ s/\-\-mysqld\=//;
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|
$mysqld_server = $options[$j];
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|
}
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|
elsif ("--pid-file=" eq substr($options[$j], 0, 11))
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|
{
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|
$options[$j] =~ s/\-\-pid-file\=//;
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|
$pid_file = $options[$j];
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|
}
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|
}
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|
$com = "killproc -p $pid_file -HUP $mysqld_server";
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|
system($com);
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$com = "touch $pid_file";
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system($com);
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|
}
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|
if (!$i && !$opt_no_log)
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{
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w2log("No MySQL servers to be reloaded (check your GNRs)",
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"$opt_log", 0, 0);
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|
}
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|
}
|
|
|
|
###
|
|
#### stop multiple servers
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|
####
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|
|
|
sub stop_mysqlds()
|
|
{
|
|
my (@groups, $com, $i, @options);
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|
|
|
if (!$opt_no_log)
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|
{
|
|
w2log("\nStopping MySQL servers\n","$opt_log",0,0);
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|
}
|
|
else
|
|
{
|
|
print "\nStopping MySQL servers\n";
|
|
}
|
|
@groups = &find_groups($groupids);
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|
for ($i = 0; defined($groups[$i]); $i++)
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|
{
|
|
$com= get_mysqladmin_options($i, @groups);
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|
$com.= " shutdown";
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|
$com.= " >> $opt_log 2>&1" if (!$opt_no_log);
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|
$com.= " &";
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|
system($com);
|
|
}
|
|
if (!$i && !$opt_no_log)
|
|
{
|
|
w2log("No MySQL servers to be stopped (check your GNRs)",
|
|
"$opt_log", 0, 0);
|
|
}
|
|
}
|
|
|
|
####
|
|
#### Sub function for mysqladmin option parsing
|
|
####
|
|
|
|
sub get_mysqladmin_options
|
|
{
|
|
my ($i, @groups)= @_;
|
|
my ($mysqladmin_found, $com, $tmp, $j);
|
|
|
|
@options = defaults_for_group($groups[$i]);
|
|
|
|
$mysqladmin_found= 1; # The default
|
|
$mysqladmin_found= 0 if (!length($mysqladmin));
|
|
$com = "$mysqladmin";
|
|
$tmp = " -u $opt_user";
|
|
if (defined($opt_password)) {
|
|
my $pw= $opt_password;
|
|
# Protect single quotes in password
|
|
$pw =~ s/'/'"'"'/g;
|
|
$tmp.= " -p'$pw'";
|
|
}
|
|
$tmp.= $opt_tcp_ip ? " -h 127.0.0.1" : "";
|
|
for ($j = 0; defined($options[$j]); $j++)
|
|
{
|
|
if ("--mysqladmin=" eq substr($options[$j], 0, 13))
|
|
{
|
|
$options[$j]=~ s/\-\-mysqladmin\=//;
|
|
$com= $options[$j];
|
|
$mysqladmin_found= 1;
|
|
}
|
|
elsif ((($options[$j] =~ m/^(\-\-socket\=)(.*)$/) && !$opt_tcp_ip) ||
|
|
($options[$j] =~ m/^(\-\-port\=)(.*)$/))
|
|
{
|
|
$tmp.= " $options[$j]";
|
|
}
|
|
}
|
|
if (!$mysqladmin_found)
|
|
{
|
|
print "\n";
|
|
print "FATAL ERROR: Tried to use mysqladmin in group [$groups[$i]], ";
|
|
print "but no mysqladmin binary was found.\n";
|
|
print "Please add \"mysqladmin=...\" in group [mysqld_multi], or ";
|
|
print "in group [$groups[$i]].\n";
|
|
exit(1);
|
|
}
|
|
$com.= $tmp;
|
|
return $com;
|
|
}
|
|
|
|
# Return a list of option files which can be opened. Similar, but not
|
|
# identical, to behavior of my_search_option_files()
|
|
sub list_defaults_files
|
|
{
|
|
my %opt;
|
|
foreach (@defaults_options)
|
|
{
|
|
return () if /^--no-defaults$/;
|
|
$opt{$1} = $2 if /^--defaults-(extra-file|file)=(.*)$/;
|
|
}
|
|
|
|
return ($opt{file}) if exists $opt{file};
|
|
|
|
my %seen; # Don't list the same file more than once
|
|
return grep { defined $_ and not $seen{$_}++ and -f $_ and -r $_ }
|
|
('/etc/my.cnf',
|
|
'/etc/mysql/my.cnf',
|
|
'@sysconfdir@/my.cnf',
|
|
($ENV{MYSQL_HOME} ? "$ENV{MYSQL_HOME}/my.cnf" : undef),
|
|
$opt{'extra-file'},
|
|
($ENV{HOME} ? "$ENV{HOME}/.my.cnf" : undef));
|
|
}
|
|
|
|
|
|
# Takes a specification of GNRs (see --help), and returns a list of matching
|
|
# groups which actually are mentioned in a relevant config file
|
|
sub find_groups
|
|
{
|
|
my ($raw_gids) = @_;
|
|
|
|
my %gids;
|
|
my @groups;
|
|
|
|
if (defined($raw_gids))
|
|
{
|
|
# Make a hash of the wanted group ids
|
|
foreach my $raw_gid (split ',', $raw_gids)
|
|
{
|
|
# Match 123 or 123-456
|
|
my ($start, $end) = ($raw_gid =~ /^\s*(\d+)(?:\s*-\s*(\d+))?\s*$/);
|
|
$end = $start if not defined $end;
|
|
if (not defined $start or $end < $start or $start < 0)
|
|
{
|
|
print "ABORT: Bad GNR: $raw_gid; see $my_progname --help\n";
|
|
exit(1);
|
|
}
|
|
|
|
foreach my $i ($start .. $end)
|
|
{
|
|
# Use $i + 0 to normalize numbers (002 + 0 -> 2)
|
|
$gids{$i + 0}= 1;
|
|
}
|
|
}
|
|
}
|
|
|
|
my @defaults_files = list_defaults_files();
|
|
#warn "@{[sort keys %gids]} -> @defaults_files\n";
|
|
foreach my $file (@defaults_files)
|
|
{
|
|
next unless open CONF, "< $file";
|
|
|
|
while (<CONF>)
|
|
{
|
|
if (/^\s*\[\s*(mysqld)(\d+)\s*\]\s*$/)
|
|
{
|
|
#warn "Found a group: $1$2\n";
|
|
# Use $2 + 0 to normalize numbers (002 + 0 -> 2)
|
|
if (not defined($raw_gids) or $gids{$2 + 0})
|
|
{
|
|
push @groups, "$1$2";
|
|
}
|
|
}
|
|
}
|
|
|
|
close CONF;
|
|
}
|
|
return @groups;
|
|
}
|
|
|
|
####
|
|
#### w2log: Write to a logfile.
|
|
#### 1.arg: append to the log file (given string, or from a file. if a file,
|
|
#### file will be read from $opt_logdir)
|
|
#### 2.arg: logfile -name (w2log assumes that the logfile is in $opt_logdir).
|
|
#### 3.arg. 0 | 1, if true, print current date to the logfile. 3. arg will
|
|
#### be ignored, if 1. arg is a file.
|
|
#### 4.arg. 0 | 1, if true, first argument is a file, else a string
|
|
####
|
|
|
|
sub w2log
|
|
{
|
|
my ($msg, $file, $date_flag, $is_file)= @_;
|
|
my (@data);
|
|
|
|
open (LOGFILE, ">>$opt_log")
|
|
or die "FATAL: w2log: Couldn't open log file: $opt_log\n";
|
|
|
|
if ($is_file)
|
|
{
|
|
open (FROMFILE, "<$msg") && (@data=<FROMFILE>) &&
|
|
close(FROMFILE)
|
|
or die "FATAL: w2log: Couldn't open file: $msg\n";
|
|
foreach my $line (@data)
|
|
{
|
|
print LOGFILE "$line";
|
|
}
|
|
}
|
|
else
|
|
{
|
|
print LOGFILE "$msg";
|
|
print LOGFILE strftime "%a %b %e %H:%M:%S %Y", localtime if ($date_flag);
|
|
print LOGFILE "\n";
|
|
}
|
|
close (LOGFILE);
|
|
return;
|
|
}
|
|
|
|
####
|
|
#### my_which is used, because we can't assume that every system has the
|
|
#### which -command. my_which can take only one argument at a time.
|
|
#### Return values: requested system command with the first found path,
|
|
#### or undefined, if not found.
|
|
####
|
|
|
|
sub my_which
|
|
{
|
|
my ($command) = @_;
|
|
my (@paths, $path);
|
|
|
|
# If the argument is not 'my_print_defaults' then it would be of the format
|
|
# <absolute_path>/<program>
|
|
return $command if ($command ne 'my_print_defaults' && -f $command &&
|
|
-x $command);
|
|
|
|
@paths = split(':', $ENV{'PATH'});
|
|
foreach $path (@paths)
|
|
{
|
|
$path .= "/$command";
|
|
return $path if (-f $path && -x $path);
|
|
}
|
|
return undef();
|
|
}
|
|
|
|
|
|
####
|
|
#### example
|
|
####
|
|
|
|
sub example
|
|
{
|
|
print <<EOF;
|
|
# This is an example of a my.cnf file for $my_progname.
|
|
# Usually this file is located in home dir ~/.my.cnf or /etc/my.cnf
|
|
#
|
|
# SOME IMPORTANT NOTES FOLLOW:
|
|
#
|
|
# 1.COMMON USER
|
|
#
|
|
# Make sure that the MySQL user, who is stopping the mysqld services, has
|
|
# the same password to all MySQL servers being accessed by $my_progname.
|
|
# This user needs to have the 'Shutdown_priv' -privilege, but for security
|
|
# reasons should have no other privileges. It is advised that you create a
|
|
# common 'multi_admin' user for all MySQL servers being controlled by
|
|
# $my_progname. Here is an example how to do it:
|
|
#
|
|
# GRANT SHUTDOWN ON *.* TO multi_admin\@localhost IDENTIFIED BY 'password'
|
|
#
|
|
# You will need to apply the above to all MySQL servers that are being
|
|
# controlled by $my_progname. 'multi_admin' will shutdown the servers
|
|
# using 'mysqladmin' -binary, when '$my_progname stop' is being called.
|
|
#
|
|
# 2.PID-FILE
|
|
#
|
|
# If you are using mysqld_safe to start mysqld, make sure that every
|
|
# MySQL server has a separate pid-file. In order to use mysqld_safe
|
|
# via $my_progname, you need to use two options:
|
|
#
|
|
# mysqld=/path/to/mysqld_safe
|
|
# ledir=/path/to/mysqld-binary/
|
|
#
|
|
# ledir (library executable directory), is an option that only mysqld_safe
|
|
# accepts, so you will get an error if you try to pass it to mysqld directly.
|
|
# For this reason you might want to use the above options within [mysqld#]
|
|
# group directly.
|
|
#
|
|
# 3.DATA DIRECTORY
|
|
#
|
|
# It is NOT advised to run many MySQL servers within the same data directory.
|
|
# You can do so, but please make sure to understand and deal with the
|
|
# underlying caveats. In short they are:
|
|
# - Speed penalty
|
|
# - Risk of table/data corruption
|
|
# - Data synchronising problems between the running servers
|
|
# - Heavily media (disk) bound
|
|
# - Relies on the system (external) file locking
|
|
# - Is not applicable with all table types. (Such as InnoDB)
|
|
# Trying so will end up with undesirable results.
|
|
#
|
|
# 4.TCP/IP Port
|
|
#
|
|
# Every server requires one and it must be unique.
|
|
#
|
|
# 5.[mysqld#] Groups
|
|
#
|
|
# In the example below the first and the fifth mysqld group was
|
|
# intentionally left out. You may have 'gaps' in the config file. This
|
|
# gives you more flexibility.
|
|
#
|
|
# 6.MySQL Server User
|
|
#
|
|
# You can pass the user=... option inside [mysqld#] groups. This
|
|
# can be very handy in some cases, but then you need to run $my_progname
|
|
# as UNIX root.
|
|
#
|
|
# 7.A Start-up Manage Script for $my_progname
|
|
#
|
|
# In the recent MySQL distributions you can find a file called
|
|
# mysqld_multi.server.sh. It is a wrapper for $my_progname. This can
|
|
# be used to start and stop multiple servers during boot and shutdown.
|
|
#
|
|
# You can place the file in /etc/init.d/mysqld_multi.server.sh and
|
|
# make the needed symbolic links to it from various run levels
|
|
# (as per Linux/Unix standard). You may even replace the
|
|
# /etc/init.d/mysql.server script with it.
|
|
#
|
|
# Before using, you must create a my.cnf file either in @sysconfdir@/my.cnf
|
|
# or /root/.my.cnf and add the [mysqld_multi] and [mysqld#] groups.
|
|
#
|
|
# The script can be found from support-files/mysqld_multi.server.sh
|
|
# in MySQL distribution. (Verify the script before using)
|
|
#
|
|
|
|
[mysqld_multi]
|
|
mysqld = @bindir@/mysqld_safe
|
|
mysqladmin = @bindir@/mysqladmin
|
|
user = multi_admin
|
|
password = my_password
|
|
|
|
[mysqld2]
|
|
socket = /tmp/mysql.sock2
|
|
port = 3307
|
|
pid-file = @localstatedir@2/hostname.pid2
|
|
datadir = @localstatedir@2
|
|
language = @datadir@/mysql/english
|
|
user = unix_user1
|
|
|
|
[mysqld3]
|
|
mysqld = /path/to/mysqld_safe
|
|
ledir = /path/to/mysqld-binary/
|
|
mysqladmin = /path/to/mysqladmin
|
|
socket = /tmp/mysql.sock3
|
|
port = 3308
|
|
pid-file = @localstatedir@3/hostname.pid3
|
|
datadir = @localstatedir@3
|
|
language = @datadir@/mysql/swedish
|
|
user = unix_user2
|
|
|
|
[mysqld4]
|
|
socket = /tmp/mysql.sock4
|
|
port = 3309
|
|
pid-file = @localstatedir@4/hostname.pid4
|
|
datadir = @localstatedir@4
|
|
language = @datadir@/mysql/estonia
|
|
user = unix_user3
|
|
|
|
[mysqld6]
|
|
socket = /tmp/mysql.sock6
|
|
port = 3311
|
|
pid-file = @localstatedir@6/hostname.pid6
|
|
datadir = @localstatedir@6
|
|
language = @datadir@/mysql/japanese
|
|
user = unix_user4
|
|
EOF
|
|
exit(0);
|
|
}
|
|
|
|
####
|
|
#### usage
|
|
####
|
|
|
|
sub usage
|
|
{
|
|
print <<EOF;
|
|
$my_progname version $VER by Jani Tolonen
|
|
|
|
Description:
|
|
$my_progname can be used to start, reload, or stop any number of separate
|
|
mysqld processes running in different TCP/IP ports and UNIX sockets.
|
|
|
|
$my_progname can read group [mysqld_multi] from my.cnf file. You may
|
|
want to put options mysqld=... and mysqladmin=... there. Since
|
|
version 2.10 these options can also be given under groups [mysqld#],
|
|
which gives more control over different versions. One can have the
|
|
default mysqld and mysqladmin under group [mysqld_multi], but this is
|
|
not mandatory. Please note that if mysqld or mysqladmin is missing
|
|
from both [mysqld_multi] and [mysqld#], a group that is tried to be
|
|
used, $my_progname will abort with an error.
|
|
|
|
$my_progname will search for groups named [mysqld#] from my.cnf (or
|
|
the given --defaults-extra-file=...), where '#' can be any positive
|
|
integer starting from 1. These groups should be the same as the regular
|
|
[mysqld] group, but with those port, socket and any other options
|
|
that are to be used with each separate mysqld process. The number
|
|
in the group name has another function; it can be used for starting,
|
|
reloading, stopping, or reporting any specific mysqld server.
|
|
|
|
Usage: $my_progname [OPTIONS] {start|reload|stop|report} [GNR,GNR,GNR...]
|
|
or $my_progname [OPTIONS] {start|reload|stop|report} [GNR-GNR,GNR,GNR-GNR,...]
|
|
|
|
The GNR means the group number. You can start, reload, stop or report any GNR,
|
|
or several of them at the same time. (See --example) The GNRs list can
|
|
be comma separated or a dash combined. The latter means that all the
|
|
GNRs between GNR1-GNR2 will be affected. Without GNR argument all the
|
|
groups found will either be started, reloaded, stopped, or reported. Note that
|
|
syntax for specifying GNRs must appear without spaces.
|
|
|
|
Options:
|
|
|
|
These options must be given before any others:
|
|
--no-defaults Do not read any defaults file
|
|
--defaults-file=... Read only this configuration file, do not read the
|
|
standard system-wide and user-specific files
|
|
--defaults-extra-file=... Read this configuration file in addition to the
|
|
standard system-wide and user-specific files
|
|
Using: @{[join ' ', @defaults_options]}
|
|
|
|
--example Give an example of a config file with extra information.
|
|
--help Print this help and exit.
|
|
--log=... Log file. Full path to and the name for the log file. NOTE:
|
|
If the file exists, everything will be appended.
|
|
Using: $opt_log
|
|
--mysqladmin=... mysqladmin binary to be used for a server shutdown.
|
|
Since version 2.10 this can be given within groups [mysqld#]
|
|
Using: $mysqladmin
|
|
--mysqld=... mysqld binary to be used. Note that you can give mysqld_safe
|
|
to this option also. The options are passed to mysqld. Just
|
|
make sure you have mysqld in your PATH or fix mysqld_safe.
|
|
Using: $mysqld
|
|
Please note: Since mysqld_multi version 2.3 you can also
|
|
give this option inside groups [mysqld#] in ~/.my.cnf,
|
|
where '#' stands for an integer (number) of the group in
|
|
question. This will be recognised as a special option and
|
|
will not be passed to the mysqld. This will allow one to
|
|
start different mysqld versions with mysqld_multi.
|
|
--no-log Print to stdout instead of the log file. By default the log
|
|
file is turned on.
|
|
--password=... Password for mysqladmin user.
|
|
--silent Disable warnings.
|
|
--tcp-ip Connect to the MySQL server(s) via the TCP/IP port instead
|
|
of the UNIX socket. This affects stopping and reporting.
|
|
If a socket file is missing, the server may still be
|
|
running, but can be accessed only via the TCP/IP port.
|
|
By default connecting is done via the UNIX socket.
|
|
--user=... mysqladmin user. Using: $opt_user
|
|
--verbose Be more verbose.
|
|
--version Print the version number and exit.
|
|
EOF
|
|
exit(0);
|
|
}
|
|
|