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#!/usr/local/cpanel/3rdparty/bin/perl # cpanel - scripts/installpostgres 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::installpostgres; use strict; use warnings; use Cpanel::Debug (); use Cpanel::OS (); use Cpanel::SafeRun::Simple (); use Cpanel::SysPkgs (); use Cpanel::Chkservd::Manage (); use Cpanel::PostgresUtils (); use Cpanel::PostgresUtils::PgPass (); use Cpanel::ServerTasks (); use Whostmgr::Postgres (); exit( run(@ARGV) // 0 ) unless caller(); sub help { my $msg = <<EOF; Usage: installpostgres [--help] [--yes] Installs the supported version of PostgreSQL. Options: --help This message. --yes Bypass confirmation prompt. EOF print $msg; return 0; } sub prompt { my ( $message, @args ) = @_; chomp $message; print $message; if ( !@args \|\| $args[0] !~ /\-\-yes/ ) { my $res = <STDIN>; if ( $res !~ /^y/i ) { print "Exiting...\n"; exit(); } } return; } # replace system calls sub _run_and_log_cmd { ## no critic(RequireArgUnpacking) # doesn't make sense in this case Cpanel::Debug::log_debug( '[EXEC] ' . join( " ", @_ ) ); my $out = Cpanel::SafeRun::Simple::saferunallerrors(@_); chomp($out); Cpanel::Debug::log_info($out); return $out; } # Get more info with CPANEL_DEBUG_LEVEL set sub _debug_run_and_log_cmd { ## no critic(RequireArgUnpacking) # doesn't make sense in this case Cpanel::Debug::log_debug( '[EXEC] ' . join( " ", @_ ) ) if $Cpanel::Debug::level; my $out = Cpanel::SafeRun::Simple::saferunallerrors(@_); chomp($out); Cpanel::Debug::log_debug($out) if $Cpanel::Debug::level; return $out; } sub run { my @args = @_; return help() if grep { $_ eq '--help' } @args; die "cPanel does not support PostgreSQL on this system at this time!" unless Cpanel::OS::supports_postgresql(); my $restart_instruction = Cpanel::OS::is_systemd() ? "\tsystemctl restart postgresql" : "\t/sbin/service postgresql stop\n" . "\t/sbin/service postgresql start\n"; my $minversion = Cpanel::OS::postgresql_minimum_supported_version() . '.x'; if ( my $old_pg_home = Cpanel::PostgresUtils::find_pgsql_home() ) { my $notice = <<"EOS"; This script installs PostgreSQL $minversion or later. If your system runs an older version of PostgreSQL, you must dump your databases to a file, and then restore them after installation. PostgreSQL $minversion is NOT backwards compatible. If no PostgreSQL databases exist on your system, run the following command to force the creation of a PostgreSQL $minversion -style setup: \tmv $old_pg_home $old_pg_home.old $restart_instruction Do not run this command if databases exist that you wish to keep! Are you certain that you wish to proceed? [y/(n)]: EOS prompt( $notice, @args ); } else { my $notice = <<"EOS"; This script installs PostgreSQL $minversion or later. Are you certain that you wish to proceed? [y/(n)]: EOS prompt( $notice, @args ); } Cpanel::Debug::log_info("Installing Postgres..."); my $syspkgobj = Cpanel::SysPkgs->new(); if ( !$syspkgobj ) { die Cpanel::Debug::log_error("The system could not create the SysPkgs object."); } $syspkgobj->install( 'pkglist' => Cpanel::OS::postgresql_packages() ); my $pg_user = Cpanel::PostgresUtils::PgPass::getpostgresuser(); my $pg_home = Cpanel::PostgresUtils::find_pgsql_home( 'user' => $pg_user ); my $pg_data = Cpanel::PostgresUtils::find_pgsql_data( 'home' => $pg_home ); my @cmd; foreach my $alias ( @{ Cpanel::OS::postgresql_service_aliases() } ) { my $service = 'postgresql'; if ( !-e "/etc/init.d/$service" && -e "/etc/init.d/$alias" ) { symlink( $alias, "/etc/init.d/$service" ); } } if ( !-e "$pg_data/global" ) { foreach my $cmd ( @{ Cpanel::OS::postgresql_initdb_commands() } ) { @cmd = split ' ', $cmd; _debug_run_and_log_cmd(@cmd); } } @cmd = qw{/usr/local/cpanel/scripts/setpostgresconfig --force}; _debug_run_and_log_cmd(@cmd); @cmd = qw{/usr/local/cpanel/scripts/cpservice postgresql enable 35}; _debug_run_and_log_cmd(@cmd); my ( $status, $message ); Cpanel::Debug::log_info("Updating postgresql configuration now..."); ( $status, $message ) = Whostmgr::Postgres::update_config(); print $message. "\n" if $message; Cpanel::Debug::log_info("Attempting to restart postgresql..."); @cmd = qw{/usr/local/cpanel/scripts/restartsrv postgresql}; _debug_run_and_log_cmd(@cmd); my $install_ok = $? == 0 ? 1 : 0; if ($install_ok) { Cpanel::Debug::log_info("Creating dbowners for existing cpusers..."); ( $status, $message ) = Whostmgr::Postgres::create_dbowners_for_cpusers(); print $message. "\n"; $install_ok &&= $status; if ($install_ok) { print q{ The PostgreSQL packages successfully installed. To configure PostgreSQL, set your password, and enable PostgreSQL for user accounts, navigate to WHM's Configure PostgreSQL interface (Home >> SQL Services >> Configure PostgreSQL). }; print "Setting a random password for the PostgreSQL database user.\n"; _debug_run_and_log_cmd( '/usr/local/cpanel/bin/postgrescheck', '--check-auth', '--reset-pass-on-fail' ); _debug_run_and_log_cmd('/usr/local/cpanel/bin/cpsessetup'); # If PostgreSQL has never been listed under chkservd, enable monitoring for it. # (This might happen if the service was uninstalled manually but reinstalled with this script.) # Doing this prevents /scripts/check_unmonitored_enabled_services from complaining to the admin # who is installing PostgreSQL for the first time on this system. my %MONITORED = Cpanel::Chkservd::Manage::getmonitored(); Cpanel::Chkservd::Manage::enable('postgresql') unless exists $MONITORED{'postgresql'}; } } # install_ok value can change in the previous block if ( !$install_ok ) { print STDERR qq{The PostgreSQL installation failed!\n}; } # reset haspostgres if great success Cpanel::ServerTasks::schedule_task( ['CpDBTasks'], 5, 'build_global_cache' ) if $install_ok; return $install_ok ? 0 : 1; } 1;

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