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| Şuanki Dosya : //scripts/manage_mysql_profiles |
#!/usr/local/cpanel/3rdparty/bin/perl
# cpanel - scripts/manage_mysql_profiles Copyright 2022 cPanel, L.L.C.
# All rights reserved.
# copyright@cpanel.net http://cpanel.net
# This code is subject to the cPanel license. Unauthorized copying is prohibited
package scripts::manage_mysql_profiles;
use strict;
use Try::Tiny;
use Cpanel::JSON ();
use Getopt::Long ();
use Cpanel::Backup::Config ();
use Cpanel::Logger ();
use Cpanel::LoadFile ();
use Cpanel::Exception ();
use Cpanel::Hooks ();
use Cpanel::DIp::MainIP ();
use Cpanel::SafeFile ();
use Cpanel::SafeRun::Errors ();
use Cpanel::Services::Enabled ();
use Cpanel::MysqlUtils::MyCnf::Basic ();
use Cpanel::MysqlUtils::MyCnf ();
use Cpanel::MysqlUtils::Command ();
use Cpanel::MysqlUtils::Connect ();
use Cpanel::MysqlUtils::Quote ();
use Cpanel::MysqlUtils::Integration ();
use Cpanel::MysqlUtils::Version ();
use Cpanel::MysqlUtils::RemoteMySQL::ActivationJob ();
use Cpanel::MysqlUtils::RemoteMySQL::ProfileManager ();
use Cpanel::Config::LoadCpConf ();
use Cpanel::Sys::Hostname ();
exit run(@ARGV) unless caller();
sub run {
my @cmdline_args = @_;
return usage(1) if !@cmdline_args;
unless ( $> == 0 && $< == 0 ) {
return usage( 1, "[!] This program can only be run by root!\n" );
}
my $opts = {};
Getopt::Long::GetOptionsFromArray(
\@cmdline_args,
'activate=s' => \$opts->{'activate'},
'import=s' => \$opts->{'import'},
'force' => \$opts->{'force'},
'export=s@' => \$opts->{'export'},
'export_to=s' => \$opts->{'export_to'},
'recreate_active_profile' => \$opts->{'recreate_active_profile'},
'help|h' => \$opts->{'help'},
);
return usage(0) if $opts->{'help'};
return activate_profile( $opts->{'activate'} ) if $opts->{'activate'};
return import_profiles( $opts->{'import'}, $opts->{'force'} ) if $opts->{'import'};
return export_profiles( $opts->{'export'}, $opts->{'export_to'} ) if $opts->{'export'} && scalar @{ $opts->{'export'} };
return recreate_active_profile( $opts->{'force'} ) if $opts->{'recreate_active_profile'};
return usage(1);
}
sub recreate_active_profile {
my $force = shift;
try {
my $profile_manager = Cpanel::MysqlUtils::RemoteMySQL::ProfileManager->new();
my $active_profile = $profile_manager->get_active_profile('dont_die');
if ( !$force && $active_profile ) {
print "[!] '$active_profile' is already active.\n";
}
else {
print "[*] Recreating active profile …\n";
$profile_manager->generate_active_profile_if_none_set($force);
$profile_manager->save_changes_to_disk();
my $active_profile = $profile_manager->get_active_profile('dont_die');
print "[+] New active profile created: $active_profile\n";
}
}
catch {
_handle_failure( { 'action' => 'recreate', 'exception' => $_ } );
};
return 0;
}
sub import_profiles {
my ( $input_file, $force ) = @_;
try {
open( my $input_file_fh, '<', $input_file )
or die Cpanel::Exception::create( 'IO::FileReadError', [ path => $input_file, error => $! ] );
my $json = Cpanel::JSON::LoadFile( $input_file_fh, $input_file );
die Cpanel::Exception::create( 'IO::FileReadError', [ path => $input_file, error => 'Invalid JSON data' ] )
if !$json || ref $json ne 'HASH';
print "[*] Importing MySQL profiles: " . join( ', ', ( keys %{$json} ) ) . "\n\n";
my $profile_manager = Cpanel::MysqlUtils::RemoteMySQL::ProfileManager->new();
my $existing_profiles = $profile_manager->read_profiles();
my $active_profile_exists = $profile_manager->get_active_profile('dont_die');
foreach my $profile_name ( keys %{$json} ) {
my $overwrite = $force ? 1 : 0;
if ( !$overwrite and exists $existing_profiles->{$profile_name} ) {
print "[*] '$profile_name' already exists …\n";
next; # skip
}
# If an active profile is already present, then mark the newly
# imported profile as inactive to avoid conflicts.
if ( $json->{$profile_name}->{'active'} && $active_profile_exists ) {
$json->{$profile_name}->{'active'} = 0;
}
$profile_manager->create_profile( { 'name' => $profile_name, %{ $json->{$profile_name} } }, { 'overwrite' => $overwrite } );
print "[+] '$profile_name' imported.\n";
}
$profile_manager->save_changes_to_disk();
}
catch {
_handle_failure( { 'action' => 'import', 'exception' => $_ } );
};
return 0;
}
sub export_profiles {
my ( $profiles_to_export_ar, $output_file ) = @_;
print STDERR "[*] Exporting MySQL profiles: " . join( ', ', @{$profiles_to_export_ar} ) . "\n\n";
try {
my $profile_manager = Cpanel::MysqlUtils::RemoteMySQL::ProfileManager->new( { 'read_only' => 1 } );
my $existing_profiles = $profile_manager->read_profiles();
my $output = {};
my $output_fh;
if ($output_file) {
open $output_fh, '>', $output_file or die Cpanel::Exception::create( 'IOError', 'Failed to open “[_1]” for writing: [_2]', [ $output_file, $! ] );
print STDERR "[*] Saving to '$output_file'\n";
}
foreach my $profile_to_export ( @{$profiles_to_export_ar} ) {
if ( not exists $existing_profiles->{$profile_to_export} ) {
print STDERR "[!] Profile not found: $profile_to_export\n";
next;
}
$output->{$profile_to_export} = $existing_profiles->{$profile_to_export};
}
# If there are any profiles to export, then output the json
if ( scalar keys %{$output} ) {
print { $output_fh ? $output_fh : \*STDOUT } Cpanel::JSON::pretty_dump($output);
}
else {
print "\n[!] No profiles to export.\n";
}
}
catch {
_handle_failure( { 'action' => 'export', 'exception' => $_ } );
};
return 0;
}
sub activate_profile {
my $profile_name = shift;
Cpanel::Hooks::hook(
{
'category' => 'Whostmgr',
'event' => 'RemoteMySQL::activate_profile',
'stage' => 'pre',
},
{ 'profile_name' => $profile_name, },
);
my $activation_job = Cpanel::MysqlUtils::RemoteMySQL::ActivationJob->new($profile_name);
my $profile_manager = Cpanel::MysqlUtils::RemoteMySQL::ProfileManager->new();
try {
my $current_active_profile = $profile_manager->get_active_profile('dont_die');
# TODO: should we care about situations where the profile being switched to is the same as the active profile?
print "[*] Current active MySQL profile: " . ( $current_active_profile || 'N/A' ) . " \n";
print "[*] Activating MySQL profile: $profile_name\n\n";
# Step 1: Validation.
$activation_job->start_step('Validating profile');
try {
$profile_manager->validate_profile($profile_name);
}
catch {
$activation_job->fail_step( 'Validating profile', { 'error' => $_->to_string() } );
die Cpanel::Exception::create( 'RemoteMySQL::ActivationFailed', 'Failed to activate [asis,MySQL] profile, “[_1]”: [_2]', [ $profile_name, 'Failed to validate profile' ] );
};
$activation_job->done_step('Validating profile');
my $profile = $profile_manager->read_profiles()->{$profile_name};
# STEP 2: Update local root .my.cnf file
$activation_job->start_step('Updating /root/.my.cnf');
my $old_my_cnf = Cpanel::LoadFile::loadfile('/root/.my.cnf');
my $is_localhost = Cpanel::Services::Enabled::is_enabled('mysql') && Cpanel::MysqlUtils::MyCnf::Basic::is_local_mysql( $profile->{'mysql_host'} );
if ( _update_local_mycnf( $profile, { localhost => $is_localhost } ) ) {
$activation_job->done_step('Updating /root/.my.cnf');
}
else {
$activation_job->fail_step( 'Updating /root/.my.cnf', { 'error' => 'Failed to update /root/.my.cnf' } );
die Cpanel::Exception::create( 'RemoteMySQL::ActivationFailed', 'Failed to activate [asis,MySQL] profile, “[_1]”: [_2]', [ $profile_name, 'Failed to update /root/.my.cnf' ] );
}
# STEP 3: Verify root cnf changes allows mysql* tools to work. Test with mysqladmin
$activation_job->start_step('Testing /root/.my.cnf changes with mysqladmin');
my $ping_ok = eval {
Cpanel::MysqlUtils::Connect::get_dbi_handle();
1;
};
if ( !$ping_ok ) {
my $err = $@;
$activation_job->fail_step( 'Testing /root/.my.cnf changes with mysqladmin', { 'error' => $err } );
$activation_job->start_step('Restoring /root/.my.cnf to previous version');
if ( _restore_old_mycnf($old_my_cnf) ) {
$activation_job->done_step('Restoring /root/.my.cnf to previous version');
}
else {
$activation_job->fail_step( 'Restoring /root/.my.cnf to previous version', { 'error' => 'Failed to restore previous config.' } );
}
die Cpanel::Exception::create(
'RemoteMySQL::ActivationFailed',
'Failed to activate [asis,MySQL] profile, “[_1]”: [_2]',
[ $profile_name, 'Failed to connect to MySQL server after updating /root/.my.cnf' ]
);
}
$activation_job->done_step('Testing /root/.my.cnf changes with mysqladmin');
# STEP 4: Update DB cache
$activation_job->start_step('Updating DB Cache');
Cpanel::SafeRun::Errors::saferunnoerror('/usr/local/cpanel/scripts/update_db_cache');
$activation_job->done_step('Updating DB Cache');
# STEP 5: Update cPanel Apps using MySQL
$activation_job->start_step('Updating cPanel Apps that use MySQL');
Cpanel::MysqlUtils::Integration::update_apps_that_use_mysql();
$activation_job->done_step('Updating cPanel Apps that use MySQL');
my $cpconf_ref = Cpanel::Config::LoadCpConf::loadcpconf();
if ( !$is_localhost ) {
# STEP 6: If going to remote host, then transfermysqlusers
$activation_job->start_step('Transferring MySQL users to remote MySQL host');
Cpanel::SafeRun::Errors::saferunnoerror( '/usr/local/cpanel/bin/transfermysqlusers', '--from', $current_active_profile );
$activation_job->done_step('Transferring MySQL users to remote MySQL host');
# This addresses concerns with edge cases where 'skip_name_resolve' is set
# on the remote MySQL server, and we can't depend on the 'hostname' authentication.
# Especially, when the mysql server sees the connecting ip as something different than what the 'main ip' is, etc.
#
# In order to ensure that we are granting access to the 'proper' IP - we check the process list in mysql
# to see what the 'connecting' IP is according to the remote MySQL server, and apply the grants on that IP address.
my $mainip = Cpanel::MysqlUtils::Quote::safesqlstring( Cpanel::DIp::MainIP::getmainserverip() );
my $hostname = Cpanel::MysqlUtils::Quote::safesqlstring( Cpanel::Sys::Hostname::gethostname() );
my $clientip = Cpanel::MysqlUtils::Quote::safesqlstring( Cpanel::MysqlUtils::Command::sqlcmd('SELECT SUBSTRING_INDEX(`host`,":",1) FROM `information_schema`.`processlist` WHERE ID = CONNECTION_ID();') );
# STEP 7: Configure MyDNS DB user if needed.
if ( $cpconf_ref->{'local_nameserver_type'} eq 'mydns' ) {
$activation_job->start_step('Configuring MyDNS Database user');
try {
require Cpanel::NameServer::Conf::Mydns;
my $mydns_conf = Cpanel::NameServer::Conf::Mydns->new();
$mydns_conf->load_settings();
my $mydns_dbname = Cpanel::MysqlUtils::Quote::safesqlstring( $mydns_conf->{'dns_settings'}->{'database'} );
my $mydns_dbuser = Cpanel::MysqlUtils::Quote::safesqlstring( $mydns_conf->{'dns_settings'}->{'db-user'} );
my $mydns_dbpass = Cpanel::MysqlUtils::Quote::safesqlstring( $mydns_conf->{'dns_settings'}->{'db-password'} );
if ( not( $mydns_dbname && $mydns_dbuser && $mydns_dbpass ) ) {
die Cpanel::Exception::create(
'Services::NotConfigured',
[
'service' => 'mydns',
'reason' => 'Failed to load current settings.'
]
);
}
# Get the remote server version and construct the SQL as needed.
my $remote_version = Cpanel::MysqlUtils::Version::mysqlversion();
foreach my $host_to_use ( $hostname, $mainip, $clientip ) {
if ( $remote_version == 8 ) { # GRANTs don't automagically create users anymore
Cpanel::MysqlUtils::Command::sqlcmd("CREATE USER `$mydns_dbuser`\@`$host_to_use` IDENTIFIED BY '$mydns_dbpass';");
Cpanel::MysqlUtils::Command::sqlcmd("GRANT SELECT, INSERT, UPDATE, DELETE ON `$mydns_dbname`.* TO '$mydns_dbuser'\@'$host_to_use'");
}
else {
Cpanel::MysqlUtils::Command::sqlcmd("GRANT SELECT, INSERT, UPDATE, DELETE ON `$mydns_dbname`.* TO '$mydns_dbuser'\@'$host_to_use' IDENTIFIED BY '$mydns_dbpass';");
}
}
# Need to run this to create the DB
Cpanel::SafeRun::Errors::saferunnoerror( '/usr/local/cpanel/bin/build_mydns_conf', '--createdb' );
$activation_job->done_step('Configuring MyDNS Database user');
}
catch {
$activation_job->fail_step( 'Configuring MyDNS Database user', { 'error' => $_->to_string() } );
};
}
}
$profile_manager->mark_profile_as_active($profile_name);
$profile_manager->save_changes_to_disk();
# STEP 8: Update MyDNS settings
if ( $cpconf_ref->{'local_nameserver_type'} eq 'mydns' ) {
$activation_job->start_step('Updating MyDNS settings');
try {
require Cpanel::NameServer::Conf::Mydns;
my $mydns_conf = Cpanel::NameServer::Conf::Mydns->new();
$mydns_conf->load_settings();
$mydns_conf->{'dns_settings'}->{'db-host'} = $profile->{'mysql_host'} . ':' . $profile->{'mysql_port'};
$mydns_conf->flushsettings();
# If they are using MyDNS then, we should try to queue a background 'sync' event
# to ensure that the records are up to date.
system( '/usr/local/cpanel/bin/servers_queue', '--plugin=MydnsTasks', 'queue', 'importmydnsdb' );
$activation_job->done_step('Updating MyDNS settings');
}
catch {
$activation_job->fail_step( 'Updating MyDNS settings', { 'error' => 'Failed to update MyDNS settings' } );
}
}
# STEP 9: Update the backup config to not backup directories if remote
if ( !$is_localhost ) {
$activation_job->start_step('Updating backup settings');
my $backup_conf = Cpanel::Backup::Config::load();
if ( $backup_conf->{'MYSQLBACKUP'} eq 'both' or $backup_conf->{'MYSQLBACKUP'} eq 'dir' ) {
$backup_conf->{'MYSQLBACKUP'} = 'accounts';
Cpanel::Backup::Config::save($backup_conf);
}
$activation_job->done_step('Updating backup settings');
}
else {
print "No need to adjust backup configuration since we are activating a local MySQL profile\n";
}
$activation_job->mark_job_done();
}
catch {
$activation_job->mark_job_failed();
_handle_failure( { 'action' => 'activate', 'exception' => $_ } );
};
Cpanel::Hooks::hook(
{
'category' => 'Whostmgr',
'event' => 'RemoteMySQL::activate_profile',
'stage' => 'post',
},
{
'profile_name' => $profile_name,
'result' => $activation_job->{progress}{status} eq 'DONE' ? 1 : 0,
},
);
return 0;
}
sub _restore_old_mycnf {
my $old_my_cnf = shift;
my $mylock = Cpanel::SafeFile::safeopen( \*MYCNF, '>', '/root/.my.cnf' );
if ($mylock) {
print MYCNF $old_my_cnf;
Cpanel::SafeFile::safeclose( \*MYCNF, $mylock );
return 1;
}
return;
}
sub _update_local_mycnf {
my ( $profile_hr, $opts_hr ) = @_;
my $unix_socket_connection = $opts_hr->{'localhost'} && $profile_hr->{'mysql_port'} == 3306;
return Cpanel::MysqlUtils::MyCnf::update_mycnf(
user => 'root',
items => [
{
host => ( $unix_socket_connection ? undef : $profile_hr->{'mysql_host'} ),
user => $profile_hr->{'mysql_user'},
pass => $profile_hr->{'mysql_pass'},
port => $profile_hr->{'mysql_port'},
}
],
);
}
sub usage {
my ( $retval, $msg ) = @_;
my $fh = $retval ? \*STDERR : \*STDOUT;
if ( !defined $msg ) {
$msg = <<USAGE;
$0
Utility to manage the MySQL profiles configured on the server. Available options:
--import [/path/to/json/file]
Imports the profiles contained in the specified JSON file.
To force import and overwrite any existing profiles use the '--force' switch:
$0 --import import.json --force
--export [profile name]
Exports one or more profiles.
To export more than one profile, specify multiple switches:
$0 --export profile1 --export profile2
To export the profiles to a file, specify the 'export_to' switch:
$0 --export profile1 --export_to export.json
Or redirect stdout:
$0 --export profile1 > export.json
--activate [profile name]
Activates the profile specified.
--recreate_active_profile
If no active profile is present on the system, this option will allow you to (re)create
the profile. It reads the current '/root/.my.cnf' file and creates a profile based on that information.
If the 'force' flag is specified, this option will recreate the active profile, regardless of
whether one exists or not, based on the content of '/root/.my.cnf'.
--help
Displays this help message.
USAGE
}
print {$fh} $msg;
return $retval;
}
sub _handle_failure {
my $opts = shift;
my $action = $opts->{'action'};
my $exceptions = ref $opts->{'exception'} eq 'HASH' ? $opts->{'exception'}->{'exceptions'} : [ $opts->{'exception'} ];
my $logger = Cpanel::Logger->new();
$logger->info( "Failed to $action MySQL profile(s). " . scalar @{$exceptions} . " error(s) occurred." );
my $index = 1;
foreach my $error ( @{$exceptions} ) {
$logger->info( "Error $index: " . Cpanel::Exception::get_string($error) );
$index++;
}
return 1;
}
1;
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