337 lines
10 KiB
Perl
337 lines
10 KiB
Perl
#!/usr/bin/perl
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#-------------------------------------------------------------------
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# WebGUI is Copyright 2001-2003 Plain Black LLC.
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#-------------------------------------------------------------------
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# Please read the legal notices (docs/legal.txt) and the license
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# (docs/license.txt) that came with this distribution before using
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# this software.
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#-------------------------------------------------------------------
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# http://www.plainblack.com info@plainblack.com
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#-------------------------------------------------------------------
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our ($webguiRoot);
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BEGIN {
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$webguiRoot = "..";
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unshift (@INC, $webguiRoot."/lib");
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}
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use DBI;
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use Getopt::Long;
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use Parse::PlainConfig;
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use strict;
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use WebGUI::SQL;
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my $help;
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my $override;
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my $quiet;
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my $mysql = "/usr/bin/mysql";
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my $mysqldump = "/usr/bin/mysqldump";
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my $backupDir = "/data/backups";
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my $skipBackup;
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my $doit;
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GetOptions(
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'help'=>\$help,
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'override'=>\$override,
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'quiet'=>\$quiet,
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'mysql=s'=>\$mysql,
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'doit'=>\$doit,
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'mysqldump=s'=>\$mysqldump,
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'backupDir=s'=>\$backupDir,
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'skipbackup'=>\$skipBackup
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);
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if ($help){
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print <<STOP;
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Usage: perl $0
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Options:
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--backupDir The folder where backups should be
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created. Defaults to '/data/backups'.
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--help Display this help message and exit.
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--mysql The path to your mysql client executable.
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Defaults to '/usr/bin/mysql'.
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--mysqldump The path to your mysqldump executable.
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Defaults to '/usr/bin/mysqldump'.
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--override This utility is designed to be run as
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a privileged user on Linux style systems.
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If you wish to run this utility without
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being the super user, then use this flag,
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but note that it may not work as
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intended.
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--quiet Disable output unless there's an error.
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--skipBackup Backups will not be performed during the
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upgrade.
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STOP
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exit;
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}
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unless ($doit) {
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print <<STOP;
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+--------------------------------------------------------------------+
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| W A R N I N G |
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+--------------------------------------------------------------------+
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| There are no guarantees of any kind provided with this software. |
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| This utility has been tested rigorously, and has performed without |
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| error or consequence in our labs, and on our production servers |
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| for more than a year. However, there is no substitute for a good |
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| backup of your software and data before performing any kind of |
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| upgrade. |
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| |
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| NOTE: This utility will work on MySQL databases only. Any |
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| configs using non-MySQL databases will be skipped. |
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+--------------------------------------------------------------------+
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| For more information about this utility type: |
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| perl upgrade.pl --help |
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+--------------------------------------------------------------------+
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| You must include the command line argument "--doit" in your |
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| command in order to bypass this message. |
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+--------------------------------------------------------------------+
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STOP
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exit;
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}
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if (!($^O =~ /^Win/i) && $> != 0 && !$override) {
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print "You must be the super user to use this utility.\n";
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exit;
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}
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## Globals
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$| = 1;
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our $perl = $^X;
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our $slash;
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if ($^O =~ /^Win/i) {
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$slash = "\\";
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} else {
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$slash = "/";
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}
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our $upgradesPath = $webguiRoot.$slash."docs".$slash."upgrades".$slash;
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our $configsPath = $webguiRoot.$slash."etc".$slash;
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our (%upgrade, %config);
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## Find upgrade files.
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print "\nLooking for upgrade files...\n" unless ($quiet);
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opendir(DIR,$upgradesPath) or die "Couldn't open $upgradesPath\n";
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my @files = readdir(DIR);
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closedir(DIR);
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foreach my $file (@files) {
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if ($file =~ /upgrade_(\d+\.\d+\.\d+)-(\d+\.\d+\.\d+)\.(\w+)/) {
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if (checkVersion($1)) {
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if ($3 eq "sql") {
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print "\tFound upgrade script from $1 to $2.\n" unless ($quiet);
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$upgrade{$1}{sql} = $file;
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} elsif ($3 eq "pl") {
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print "\tFound upgrade executable from $1 to $2.\n" unless ($quiet);
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$upgrade{$1}{pl} = $file;
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}
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$upgrade{$1}{from} = $1;
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$upgrade{$1}{to} = $2;
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}
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}
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}
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## Find site configs.
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print "\nGetting site configs...\n" unless ($quiet);
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opendir (DIR,$configsPath) or die "Can't open $configsPath\n";
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my @files=readdir(DIR);
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closedir(DIR);
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foreach my $file (@files) {
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if ($file =~ /(.*?)\.conf$/ && $file ne "some_other_site.conf") {
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print "\tFound $file.\n" unless ($quiet);
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$config{$file}{configFile} = $file;
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my $config = Parse::PlainConfig->new('DELIM' => '=',
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'FILE' => $configsPath.$config{$file}{configFile},
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'PURGE' => 1);
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$config{$file}{dsn} = $config->get('dsn');
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my $temp = _parseDSN($config{$file}{dsn}, ['database', 'host', 'port']);
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if ($temp->{'driver'} eq "mysql") {
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$config{$file}{db} = $temp->{'database'};
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$config{$file}{host} = $temp->{'host'};
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$config{$file}{port} = $temp->{'port'};
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$config{$file}{dbuser} = $config->get('dbuser');
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$config{$file}{dbpass} = $config->get('dbpass');
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$config{$file}{mysqlCLI} = $config->get('mysqlCLI');
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$config{$file}{mysqlDump} = $config->get('mysqlDump');
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$config{$file}{backupPath} = $config->get('backupPath');
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my $dbh = DBI->connect($config{$file}{dsn},$config{$file}{dbuser},$config{$file}{dbpass});
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($config{$file}{version}) = WebGUI::SQL->quickArray("select webguiVersion from webguiVersion
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order by dateApplied desc, webguiVersion desc limit 1",$dbh);
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$dbh->disconnect;
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} else {
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delete $config{$file};
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print "\tSkipping non-MySQL database.\n" unless ($quiet);
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}
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}
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}
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print "\nREADY TO BEGIN UPGRADES\n" unless ($quiet);
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my $notRun = 1;
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chdir($upgradesPath);
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foreach my $config (keys %config) {
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my $clicmd = $config{$config}{mysqlCLI} || $mysql;
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my $dumpcmd = $config{$config}{mysqlDump} || $mysqldump;
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my $backupTo = $config{$config}{backupPath} || $backupDir;
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mkdir($backupTo);
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while ($upgrade{$config{$config}{version}}{sql} ne "") {
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my $upgrade = $upgrade{$config{$config}{version}}{from};
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unless ($skipBackup) {
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print "\n".$config{$config}{db}." ".$upgrade{$upgrade}{from}."-".$upgrade{$upgrade}{to}."\n" unless ($quiet);
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print "\tBacking up $config{$config}{db} ($upgrade{$upgrade}{from})..." unless ($quiet);
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my $cmd = $dumpcmd." -u".$config{$config}{dbuser}." -p".$config{$config}{dbpass};
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$cmd .= " --host=".$config{$config}{host} if ($config{$config}{host});
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$cmd .= " --port=".$config{$config}{port} if ($config{$config}{port});
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$cmd .= " --add-drop-table --databases ".$config{$config}{db}." > "
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.$backupTo.$slash.$config{$config}{db}."_".$upgrade{$upgrade}{from}.".sql";
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unless (system($cmd)) {
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print "OK\n" unless ($quiet);
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} else {
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print "Failed!\n" unless ($quiet);
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}
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}
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print "\tUpgrading to ".$upgrade{$upgrade}{to}."..." unless ($quiet);
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my $cmd = $clicmd." -u".$config{$config}{dbuser}." -p".$config{$config}{dbpass};
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$cmd .= " --host=".$config{$config}{host} if ($config{$config}{host});
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$cmd .= " --port=".$config{$config}{port} if ($config{$config}{port});
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$cmd .= " --database=".$config{$config}{db}." < ".$upgrade{$upgrade}{sql};
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unless (system($cmd)) {
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print "OK\n" unless ($quiet);
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} else {
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print "Failed!\n" unless ($quiet);
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}
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if ($upgrade{$upgrade}{pl} ne "") {
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my $cmd = $perl." ".$upgrade{$upgrade}{pl}." --configFile=".$config;
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$cmd .= " --quiet" if ($quiet);
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if (system($cmd)) {
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print "\tProcessing upgrade executable failed!\n";
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}
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}
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$config{$config}{version} = $upgrade{$upgrade}{to};
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$notRun = 0;
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}
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}
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if ($notRun) {
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print "\nNO UPGRADES NECESSARY\n\n" unless ($quiet);
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} else {
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unless ($quiet) {
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print <<STOP;
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UPGRADES COMPLETE
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Please restart your web server and test your sites.
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NOTE: If you have not already done so, please consult
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docs/gotcha.txt for possible upgrade complications.
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STOP
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}
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}
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#-----------------------------------------
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# checkVersion($versionNumber)
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#-----------------------------------------
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# Version number must be 3.5.1 or greater
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# in order to be upgraded by this utility.
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#-----------------------------------------
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sub checkVersion {
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$_[0] =~ /(\d+)\.(\d+)\.(\d+)/;
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if ($1 > 3) {
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return 1;
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} elsif ($1 == 3) {
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if ($2 > 5) {
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return 1;
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} elsif ($2 == 5) {
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if ($3 > 0) {
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return 1;
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} else {
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return 0;
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}
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} else {
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return 0;
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}
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} else {
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return 0;
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}
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}
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#-----------------------------------------
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sub _parseDSN {
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my($dsn, $args) = @_;
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my($var, $val, $hash);
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$hash = {};
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if (!defined($dsn)) {
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return;
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}
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$dsn =~ s/^dbi:(\w*?)(?:\((.*?)\))?://i
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or '' =~ /()/; # ensure $1 etc are empty if match fails
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$hash->{driver} = $1;
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while (length($dsn)) {
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if ($dsn =~ /([^:;]*)[:;](.*)/) {
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$val = $1;
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$dsn = $2;
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} else {
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$val = $dsn;
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$dsn = '';
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}
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if ($val =~ /([^=]*)=(.*)/) {
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$var = $1;
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$val = $2;
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if ($var eq 'hostname' || $var eq 'host') {
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$hash->{'host'} = $val;
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} elsif ($var eq 'db' || $var eq 'dbname') {
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$hash->{'database'} = $val;
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} else {
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$hash->{$var} = $val;
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}
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} else {
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foreach $var (@$args) {
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if (!defined($hash->{$var})) {
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$hash->{$var} = $val;
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last;
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}
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}
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}
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}
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return $hash;
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}
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