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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 : //proc/thread-self/root/cpanel_installer/InstallerUbuntu.pm |
package InstallerUbuntu;
# cpanel - installd/InstallerUbuntu.pm 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
use strict;
use warnings;
use CpanelLogger;
use CpanelMySQL ();
use Installer ();
our @ISA = qw/Installer/;
sub distro_type { return 'debian' }
use constant CPANEL_UBUNTU_SUPPORT => {
20 => 101,
22 => 117,
};
sub check_system_support {
my ($self) = @_;
$self->SUPER::check_system_support;
my $distro_name = $self->distro_name;
my $distro_major = $self->distro_major;
if ( $distro_name eq 'ubuntu' ) {
return $self->invalid_system("cPanel, L.L.C. does not support Ubuntu version $distro_major.") if !exists CPANEL_UBUNTU_SUPPORT->{$distro_major};
}
else {
return $self->invalid_system("cPanel, L.L.C. does not support $distro_name for new installations.");
}
return;
}
sub check_networking_scripts {
# We don't do this check on ubuntu??
return;
}
sub check_system_files {
my ($self) = @_;
$self->SUPER::check_system_files;
# Unset the kernel flag that prevents even root from accessing other users files in /tmp
Common::ssystem( "sysctl", "fs.protected_regular=0" );
# Then configure this to be the default upon reboot
my $prot_file = '/usr/lib/sysctl.d/protect-links.conf';
my @orig_prot_file_contents;
if ( -f $prot_file ) {
open( my $prot_rd_fh, '<', $prot_file );
while (<$prot_rd_fh>) {
push( @orig_prot_file_contents, $_ );
}
close($prot_rd_fh);
open( my $prot_wr_fh, '>', $prot_file );
foreach my $line (@orig_prot_file_contents) {
if ( $line =~ m/fs\.protected_regular/ ) {
print $prot_wr_fh "fs.protected_regular = 0\n";
}
else {
print $prot_wr_fh "$line";
}
}
close($prot_wr_fh);
}
verify_usrmerge_is_installed();
# Configure alternate temp dir for debconf since /tmp is often mounted noexec
mkdir '/root/tmp';
open( my $debconf_fh, '>>', '/etc/apt/apt.conf.d/50extracttemplates' );
print $debconf_fh "APT\n{\n ExtractTemplates\n\t\{\n\t\tTempDir /root/tmp;\n\t};\n};\n";
close($debconf_fh);
my $out = `/usr/bin/dpkg -s libc6 2>&1`; ## no critic(ProhibitQxAndBackticks)
if ( $out !~ m/Installed\-Size:\s/ ) {
ERROR( q{Your operating system's package update method } . qq{(apt) could not locate the libc6 package. } . q{This is an indication of an improper setup. } . q{You must correct this error before you proceed. } );
DEBUG($out);
FATAL("\n\n");
}
# This package is needed for File::FcntlLock, used by installd/apt-get-wait
$self->apt_nohang_ssystem( '/usr/bin/apt-get', 'install', '-y', 'libfile-fcntllock-perl' );
return;
}
# This system clobbers resolv.conf even if you update it manually.
sub setup_and_check_resolv_conf {
my ($self) = @_;
print "Disabling systemd-resolved if it is enabled...";
my $needs_action = `systemctl list-unit-files | grep systemd-resolved`;
# Remove the stub resolver and put a viable one in place
if ($needs_action) {
Common::ssystem(qw{systemctl disable --now systemd-resolved});
unlink '/etc/resolv.conf';
if ( open( my $fh, '>', '/etc/resolv.conf' ) ) {
print $fh "nameserver 1.1.1.1\nnameserver 8.8.8.8\n";
close($fh);
}
else {
WARN( 'Could not create new /etc/resolv.conf : ' . $! );
}
}
return $self->SUPER::setup_and_check_resolv_conf;
}
sub install_basic_precursor_packages {
my ($self) = @_;
INFO("Installing packages needed to download and run the cPanel initial install.");
# Assure wget/bzip2/gpg are installed for centhat. These packages are needed prior to sysup
my @packages_to_install = qw/wget bzip2 gpg-agent xz-utils nscd psmisc python3 rdate cron sysstat net-tools debconf-utils libnet-ssleay-perl libffi7 sqlite3/; # CPANEL-43410 Can libffi7 and sqlite3 be removed?
$self->apt_nohang_ssystem( './apt-get-wait', '-y', 'install', @packages_to_install );
return;
}
# we need to call update first to ensure we have a full package list, otherwise it won't be able to find packages for install
sub update_apt {
my ($self) = @_;
return unless $self->{'update_apt'}++ == 0; # Run once.
$self->apt_nohang_ssystem( '/usr/bin/apt-get', 'update' );
return;
}
sub apt_nohang_ssystem {
my ( $self, @cmd ) = @_;
$self->update_apt; #circular but it's ok because we bumped $update_apt already.
my $failcount = 0;
my $result = 1;
while ($result) { # While apt is failing.
$result = Common::ssystem(@cmd);
last if ( !$result ); # apt came back clean. Stop re-trying
$failcount++;
if ( $failcount > 5 ) {
FATAL("apt failed $failcount times. The installation process cannot continue.");
}
}
return;
}
sub remove_distro_software {
my ($self) = @_;
my @remove_pkgs = qw(
apache2-data
apache2-utils
dovecot-core
dovecot-imapd
dovecot-lmtpd
dovecot-pop3d
exim4
exim4-base
exim4-config
exim4-daemon-heavy
exim4-daemon-light
exim4-dev
exim4-doc-html
exim4-doc-info
mysql-server
mysql-server-8.0
mysql-server-core-8.0
mysql-common
libmysqlclient21
mysql-client
mysql-client-8.0
mysql-client-core-8.0
portreserve
postfix
sendmail
spamassassin
libapache2-mod-perl2
mariadb-client
mariadb-client-10.3
mariadb-client-core-10.3
mariadb-common
mariadb-plugin-connect
mariadb-server
mariadb-server-10.3
mariadb-server-core-10.3
mariadb-test
mycli
pure-ftpd
proftpd-basic
);
INFO('Ensuring that conflicting services are not installed...');
Common::ssystem( '/usr/bin/apt-get', '-y', 'purge', @remove_pkgs, { ignore_errors => 1 } );
return;
}
sub verify_mysql_version {
my ( $self, $cpanel_config ) = @_;
my $mysql_version = $cpanel_config->{'mysql-version'};
return unless length $mysql_version;
# The only supported installable versions are:
# 8.0, 10.5, 10.6, 10.11
my $supported_versions = qr{^(?:
| 8(?:\.0)?
| 10(?:\.(?:[5-6]|11))
)$}x;
unless ( $mysql_version =~ m/$supported_versions/ ) {
FATAL('The mysql-version value in /root/cpanel_profile/cpanel.config is either invalid or references an unsupported MySQL/MariaDB version. See https://go.cpanel.net/supported-mysql-mariadb-versions for a list of supported versions.');
}
my $lts_version = $self->lts_version;
if ( CpanelMySQL::version_is_mariadb($mysql_version) && $lts_version < 117 ) {
FATAL("cPanel & WHM version $lts_version does not support MariaDB® on Ubuntu®. See https://go.cpanel.net/supported-mysql-mariadb-versions for a list of supported versions.");
}
my $distro_major = $self->distro_major;
my %db_id = CpanelMySQL::get_db_identifiers($mysql_version);
my $advice = CpanelMySQL::get_db_version_advice( $mysql_version, $lts_version, $distro_major, $db_id{'plain'} );
if ( $advice->{ver} && $advice->{action} ) {
FATAL("You must set $db_id{'stylized'} to version $advice->{ver} or $advice->{action} in the /root/cpanel_profile/cpanel.config file for cPanel & WHM version $lts_version.");
}
return;
}
# These packages are needed for MySQL later in the install
# By downloading them now we do not have to wait for them later
sub background_download_packages_used_during_initial_install {
my ($self) = @_;
my @sysup_packages_to_install = qw{quota expat libexpat1-dev};
my @ea4_packages_to_install = qw{elinks libssh2-1 libssh2-1-dev libvpx-dev libwww-perl libkrb5-dev libcompress-raw-bzip2-perl libcompress-raw-zlib-perl autoconf automake};
push @ea4_packages_to_install, ( int( $self->distro_major ) < 22 ? 'libvpx6' : 'libvpx7' );
my @mysql_support_packages_to_install = qw{libnuma1 grep libuser coreutils libdbi-perl};
my @packages_to_install = ( @mysql_support_packages_to_install, @sysup_packages_to_install, @ea4_packages_to_install );
return $self->run_in_background( sub { $self->apt_nohang_ssystem( './apt-get-wait', '--download-only', '-y', 'install', @packages_to_install ); } );
}
sub verify_usrmerge_is_installed {
my $required_symlinks = {
'/bin' => 'usr/bin',
'/sbin' => 'usr/sbin',
'/lib' => 'usr/lib',
};
foreach my $link ( keys %{$required_symlinks} ) {
my $target = readlink $link;
if ( !length $target || $target ne $required_symlinks->{$link} ) {
my $ubuntu_major_csv = join( ", ", map { "$_.04" } sort keys %{ CPANEL_UBUNTU_SUPPORT() } );
my $errmsg = "You can only install cPanel & WHM on a fresh Ubuntu installation of the following versions: $ubuntu_major_csv";
FATAL($errmsg);
}
}
return;
}
1;