| Current Path : /cpanel_installer/ |
Linux gator3171.hostgator.com 4.19.286-203.ELK.el7.x86_64 #1 SMP Wed Jun 14 04:33:55 CDT 2023 x86_64 |
| Current File : //cpanel_installer/install |
#!/usr/bin/perl
# cpanel - installd/install Copyright 2021 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 installd::install;
use strict;
use warnings;
use FindBin;
use Cwd ();
use Getopt::Long ();
use lib $FindBin::Bin;
use Common ();
use CpanelLogger; # need imports!
use Installer ();
my $background_pre_sysup_pid;
exit run(@ARGV) unless caller;
sub run {
my (@args) = @_;
my $ret = eval { script(@args) };
if ( !defined $ret || $@ ) {
chomp $@;
print STDERR $@ if $@;
return 1;
}
return $ret;
}
sub script {
my (@args) = @_;
my $installer = Installer->new;
$installer->setup(@args);
# Determine local distro and version. Fail if unsupported.
$installer->check_system_support();
# Do the clean install check pause right after
# network manager so they see the warning since
# this will pause for 5 seconds
$installer->check_networking_scripts();
$installer->clean_install_check();
# Bootstrap checks.
INFO("Running health checks prior to start.");
$installer->check_system_files();
$installer->setup_and_check_resolv_conf;
$installer->ensure_pkgs_installed;
# Remove rpms and stop unneeded services. This must happen before there are parallel executions of yum/rpm
# because rpm from 4.12.0-alpha-90 does not wait for transaction lock when stdin is not a tty
# (it errors and dies instead). My CentOS 8 VM has rpm 4.14.2. We could work around this with fcntl, but
# that syscall is complicated to use in this bootstrap environment.
$installer->remove_distro_software;
# lts_version also bootstraps our version info.
# Install base distro required RPMS and setup YUM
my $lts = $installer->lts_version;
my $product_name = $installer->product_name;
INFO("Installing $product_name major version $lts.");
$installer->do_initial_clock_update;
$installer->start_nscd;
# Look for conditions that require tier manipulation or require us to block the install.
$installer->check_for_install_version_blockers;
# bootstrap the cPanel perl ecosystem in a background process.
my $bootstrap_cpanel_perl_pid = $installer->run_in_background( sub { $installer->bootstrap_cpanel_perl } );
# We don't allow this to run in parallel on systems that exit if an installer lock exists.
if ( $installer->distro_type eq 'debian' || $installer->distro_major >= 8 ) {
wait_for_cpanel_perl_to_finish($bootstrap_cpanel_perl_pid);
undef $bootstrap_cpanel_perl_pid;
}
$installer->pre_checks_while_waiting_for_fix_cpanel_perl;
# Start background rpm download only after disable_software since it does rpm -e
$background_pre_sysup_pid = $installer->background_download_packages_used_during_initial_install;
wait_for_cpanel_perl_to_finish($bootstrap_cpanel_perl_pid);
# Install cPanel files.
INFO('Installing /usr/local/cpanel files...');
DEBUG( "HTTPUPDATE is set to " . CpanelConfig::source() );
if ( $installer->stop_at_update_now ) {
waitpid( $background_pre_sysup_pid, 0 );
DEBUG("") for ( 1 .. 5 );
DEBUG("The system is in dry run mode (--stop_at_update_now). It would normally");
DEBUG("run updatenow and cpanel_initial_install at this point.");
DEBUG(" If you're reaching this point, then the latest script has succeeded!");
return 0;
}
# Install cpanel files and directories. TERMINATE if failure.
$installer->updatenow;
if ( $installer->stop_after_update_now ) {
waitpid( $background_pre_sysup_pid, 0 );
DEBUG("") for ( 1 .. 5 );
DEBUG("The system is in dry run mode (--stop_after_update_now). It would normally");
DEBUG("run cpanel_initial_install at this point.");
DEBUG(" If you're reaching this point, then the latest script has succeeded!");
return 0;
}
# We used to wait for yum to finish here but
# that just blocked the installer from downloading
# rpms so we do the waitpid after
chmod( 0700, '/usr/local/cpanel/scripts/cpanel_initial_install' );
system( '/usr/local/cpanel/scripts/cpanel_initial_install', '--skipapache', $installer->skip_apache, '--skipreposetup', $installer->skip_repo_setup, '--installstart', $installer->install_start );
if ( $? >> 8 != 0 ) {
kill 'TERM', $background_pre_sysup_pid if $background_pre_sysup_pid;
FATAL('The system failed to run the /usr/local/cpanel/scripts/cpanel_initial_install script.');
return 1;
}
# Cleanup before exiting
waitpid( $background_pre_sysup_pid, 0 );
return 0;
}
sub wait_for_cpanel_perl_to_finish {
my ($pid) = @_;
return unless $pid; # Skip if it has cleared.
local $?;
waitpid( $pid, 0 );
if ( $? != 0 ) {
kill 'TERM', $background_pre_sysup_pid if $background_pre_sysup_pid;
FATAL("Bootstrapping cPanel Perl failed: $?");
}
return;
}
1;