#!/usr/bin/perl # Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved. # # This program is free software; you can redistribute it and/or # modify it under the terms of the GNU Library General Public # License as published by the Free Software Foundation; version 2 # of the License. # # 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 # Library General Public License for more details. # # You should have received a copy of the GNU Library General Public # License along with this library; if not, write to the Free # Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, # MA 02110-1301, USA use Getopt::Long; use POSIX qw(strftime getcwd); $|=1; $VER="2.16"; my @defaults_options; # Leading --no-defaults, --defaults-file, etc. $opt_example = 0; $opt_help = 0; $opt_log = undef(); $opt_mysqladmin = "/usr/bin/mysqladmin"; $opt_mysqld = "/usr/libexec/mysqld"; $opt_no_log = 0; $opt_password = undef(); $opt_tcp_ip = 0; $opt_user = "root"; $opt_version = 0; $opt_silent = 0; $opt_verbose = 0; my $my_print_defaults_exists= 1; my $logdir= undef(); my ($mysqld, $mysqladmin, $groupids, $homedir, $my_progname); $homedir = $ENV{HOME}; $my_progname = $0; $my_progname =~ s/.*[\/]//; if (defined($ENV{UMASK})) { my $UMASK = $ENV{UMASK}; my $m; my $fmode = "0640"; if(($UMASK =~ m/[^0246]/) || ($UMASK =~ m/^[^0]/) || (length($UMASK) != 4)) { printf("UMASK must be a 3-digit mode with an additional leading 0 to indicate octal.\n"); printf("The first digit will be corrected to 6, the others may be 0, 2, 4, or 6.\n"); } else { $fmode= substr $UMASK, 2, 2; $fmode= "06${fmode}"; } if($fmode != $UMASK) { printf("UMASK corrected from $UMASK to $fmode ...\n"); } $fmode= oct($fmode); umask($fmode); } main(); #### #### main sub routine #### sub main { my $flag_exit= 0; if (!defined(my_which(my_print_defaults))) { # We can't throw out yet, since --version, --help, or --example may # have been given print "WARNING: my_print_defaults command not found.\n"; print "Please make sure you have this command available and\n"; print "in your path. The command is available from the latest\n"; print "MySQL distribution.\n"; $my_print_defaults_exists= 0; } # Remove leading defaults options from @ARGV while (@ARGV > 0) { last unless $ARGV[0] =~ /^--(?:no-defaults$|(?:defaults-file|defaults-extra-file)=)/; push @defaults_options, (shift @ARGV); } # Handle deprecated --config-file option: convert to --defaults-extra-file foreach my $arg (@ARGV) { if ($arg =~ m/^--config-file=(.*)/) { # Put it at the beginning of the list, so it has lower precedence # than a correct --defaults-extra-file option unshift @defaults_options, "--defaults-extra-file=$1"; print "WARNING: --config-file is deprecated and will be removed\n"; print "in MySQL 5.6. Please use --defaults-extra-file instead\n"; } } foreach (@defaults_options) { $_ = quote_shell_word($_); } # Add [mysqld_multi] options to front of @ARGV, ready for GetOptions() unshift @ARGV, defaults_for_group('mysqld_multi'); # The --config-file option can be ignored; if passed on the command # line, it's already handled; if specified in the configuration file, # it's redundant and not useful @ARGV= grep { not /^--config-file=/ } @ARGV; # We've already handled --no-defaults, --defaults-file, etc. if (!GetOptions("help", "example", "version", "mysqld=s", "mysqladmin=s", "user=s", "password=s", "log=s", "no-log", "tcp-ip", "silent", "verbose")) { $flag_exit= 1; } usage() if ($opt_help); if ($opt_verbose && $opt_silent) { print "Both --verbose and --silent have been given. Some of the warnings "; print "will be disabled\nand some will be enabled.\n\n"; } init_log() if (!defined($opt_log)); $groupids = $ARGV[1]; if ($opt_version) { print "$my_progname version $VER by Jani Tolonen\n"; exit(0); } example() if ($opt_example); if ($flag_exit) { print "Error with an option, see $my_progname --help for more info.\n"; exit(1); } if (!defined(my_which(my_print_defaults))) { print "ABORT: Can't find command 'my_print_defaults'.\n"; print "This command is available from the latest MySQL\n"; print "distribution. Please make sure you have the command\n"; print "in your PATH.\n"; exit(1); } usage() if (!defined($ARGV[0]) || (!($ARGV[0] =~ m/^start$/i) && !($ARGV[0] =~ m/^stop$/i) && !($ARGV[0] =~ m/^report$/i))); if (!$opt_no_log) { w2log("$my_progname log file version $VER; run: ", "$opt_log", 1, 0); } else { print "$my_progname log file version $VER; run: "; print strftime "%a %b %e %H:%M:%S %Y", localtime; print "\n"; } if ($ARGV[0] =~ m/^start$/i) { if (!defined(($mysqld= my_which($opt_mysqld))) && $opt_verbose) { print "WARNING: Couldn't find the default mysqld binary.\n"; print "Tried: $opt_mysqld\n"; print "This is OK, if you are using option \"mysqld=...\" in "; print "groups [mysqldN] separately for each.\n\n"; } start_mysqlds(); } else { if (!defined(($mysqladmin= my_which($opt_mysqladmin))) && $opt_verbose) { print "WARNING: Couldn't find the default mysqladmin binary.\n"; print "Tried: $opt_mysqladmin\n"; print "This is OK, if you are using option \"mysqladmin=...\" in "; print "groups [mysqldN] separately for each.\n\n"; } if ($ARGV[0] =~ m/^report$/i) { report_mysqlds(); } else { stop_mysqlds(); } } } # # Quote word for shell # sub quote_shell_word { my ($option)= @_; $option =~ s!([^\w=./-])!\\$1!g; return $option; } sub defaults_for_group { my ($group) = @_; return () unless $my_print_defaults_exists; my $com= join ' ', 'my_print_defaults', @defaults_options, $group; my @defaults = `$com`; chomp @defaults; return @defaults; } #### #### Init log file. Check for appropriate place for log file, in the following #### order: my_print_defaults mysqld datadir, /usr/share #### sub init_log { foreach my $opt (defaults_for_group('mysqld')) { if ($opt =~ m/^--datadir=(.*)/ && -d "$1" && -w "$1") { $logdir= $1; } } if (!defined($logdir)) { $logdir= "/usr/share" if (-d "/usr/share" && -w "/usr/share"); } if (!defined($logdir)) { # Log file was not specified and we could not log to a standard place, # so log file be disabled for now. if (!$opt_silent) { print "WARNING: Log file disabled. Maybe directory or file isn't writable?\n"; } $opt_no_log= 1; } else { $opt_log= "$logdir/mysqld_multi.log"; } } #### #### Report living and not running MySQL servers #### sub report_mysqlds { my (@groups, $com, $i, @options, $pec); print "Reporting MySQL servers\n"; if (!$opt_no_log) { w2log("\nReporting MySQL servers","$opt_log",0,0); } @groups = &find_groups($groupids); for ($i = 0; defined($groups[$i]); $i++) { $com= get_mysqladmin_options($i, @groups); $com.= " ping >> /dev/null 2>&1"; system($com); $pec = $? >> 8; if ($pec) { print "MySQL server from group: $groups[$i] is not running\n"; if (!$opt_no_log) { w2log("MySQL server from group: $groups[$i] is not running", "$opt_log", 0, 0); } } else { print "MySQL server from group: $groups[$i] is running\n"; if (!$opt_no_log) { w2log("MySQL server from group: $groups[$i] is running", "$opt_log", 0, 0); } } } if (!$i) { print "No groups to be reported (check your GNRs)\n"; if (!$opt_no_log) { w2log("No groups to be reported (check your GNRs)", "$opt_log", 0, 0); } } } #### #### start multiple servers #### sub start_mysqlds() { my (@groups, $com, $tmp, $i, @options, $j, $mysqld_found, $info_sent); if (!$opt_no_log) { w2log("\nStarting MySQL servers\n","$opt_log",0,0); } else { print "\nStarting MySQL servers\n"; } @groups = &find_groups($groupids); for ($i = 0; defined($groups[$i]); $i++) { @options = defaults_for_group($groups[$i]); $basedir_found= 0; # The default $mysqld_found= 1; # The default $mysqld_found= 0 if (!length($mysqld)); $com= "$mysqld"; for ($j = 0, $tmp= ""; defined($options[$j]); $j++) { if ("--mysqladmin=" eq substr($options[$j], 0, 13)) { # catch this and ignore } elsif ("--mysqld=" eq substr($options[$j], 0, 9)) { $options[$j]=~ s/\-\-mysqld\=//; $com= $options[$j]; $mysqld_found= 1; } elsif ("--basedir=" eq substr($options[$j], 0, 10)) { $basedir= $options[$j]; $basedir =~ s/^--basedir=//; $basedir_found= 1; $options[$j]= quote_shell_word($options[$j]); $tmp.= " $options[$j]"; } else { $options[$j]= quote_shell_word($options[$j]); $tmp.= " $options[$j]"; } } if ($opt_verbose && $com =~ m/\/(safe_mysqld|mysqld_safe)$/ && !$info_sent) { print "WARNING: $1 is being used to start mysqld. In this case you "; print "may need to pass\n\"ledir=...\" under groups [mysqldN] to "; print "$1 in order to find the actual mysqld binary.\n"; print "ledir (library executable directory) should be the path to the "; print "wanted mysqld binary.\n\n"; $info_sent= 1; } $com.= $tmp; $com.= " >> $opt_log 2>&1" if (!$opt_no_log); $com.= " &"; if (!$mysqld_found) { print "\n"; print "FATAL ERROR: Tried to start mysqld under group [$groups[$i]], "; print "but no mysqld binary was found.\n"; print "Please add \"mysqld=...\" in group [mysqld_multi], or add it to "; print "group [$groups[$i]] separately.\n"; exit(1); } if ($basedir_found) { $curdir=getcwd(); chdir($basedir) or die "Can't change to datadir $basedir"; } system($com); if ($basedir_found) { chdir($curdir) or die "Can't change back to original dir $curdir"; } } if (!$i && !$opt_no_log) { w2log("No MySQL servers to be started (check your GNRs)", "$opt_log", 0, 0); } } #### #### stop multiple servers #### sub stop_mysqlds() { my (@groups, $com, $i, @options); if (!$opt_no_log) { w2log("\nStopping MySQL servers\n","$opt_log",0,0); } else { print "\nStopping MySQL servers\n"; } @groups = &find_groups($groupids); for ($i = 0; defined($groups[$i]); $i++) { $com= get_mysqladmin_options($i, @groups); $com.= " shutdown"; $com.= " >> $opt_log 2>&1" if (!$opt_no_log); $com.= " &"; system($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 $_ } ('/etc/my.cnf', '/etc/mysql/my.cnf', '/etc/my.cnf', ($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 () { 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=) && 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); return $command if (-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 <