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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/InstallerRhel.pm |
package InstallerRhel; # cpanel - installd/InstallerRhel.pm 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 use strict; use warnings; use CpanelLogger; use CpanelMySQL (); use Installer (); our @ISA = qw/Installer/; sub distro_type { return 'rhel' } sub check_system_support { my ($self) = @_; $self->SUPER::check_system_support; $self->validate_distro_release_rpm; my $distro_name = $self->distro_name; my $distro_major = $self->distro_major; if ( $distro_name eq 'rhel' ) { ( grep { $distro_major == $_ } qw/7/ ) or $self->invalid_system( "cPanel, L.L.C. does not support " . _distro_name($distro_name) . " version $distro_major." ); } elsif ( $distro_name eq 'centos' ) { ( grep { $distro_major == $_ } qw/7/ ) or $self->invalid_system( "cPanel, L.L.C. does not support " . _distro_name($distro_name) . " version $distro_major." ); } elsif ( $distro_name eq 'cloudlinux' ) { ( grep { $distro_major == $_ } qw/6 7 8 9/ ) or $self->invalid_system( "cPanel, L.L.C. does not support " . _distro_name($distro_name) . " version $distro_major." ); } elsif ( $distro_name eq 'almalinux' ) { ( grep { $distro_major == $_ } qw/8 9/ ) or $self->invalid_system( "cPanel, L.L.C. does not support " . _distro_name($distro_name) . " version $distro_major." ); } elsif ( $distro_name eq 'rocky' ) { ( grep { $distro_major == $_ } qw/8 9/ ) or $self->invalid_system( "cPanel, L.L.C. does not support " . _distro_name($distro_name) . " version $distro_major." ); } else { return $self->invalid_system( "cPanel, L.L.C. does not support " . _distro_name($distro_name) . " for new installations." ); } $self->validate_cloudlinux_registration; $self->validate_rhn_registration; return; } sub validate_distro_release_rpm { my ($self) = @_; my $distro_release = '/etc/redhat-release'; -e $distro_release or $self->invalid_system("The system could not detect a valid release file for this distribution"); chomp( my $release_rpm = `/bin/rpm -qf $distro_release` ); ## no critic(ProhibitQxAndBackticks) $release_rpm or $self->invalid_system("RPMs do not manage release file."); return; } sub _distro_name { my ( $distro, $full ) = @_; for my $names ( [ 'centos', 'CentOS', 'CentOS' ], [ 'rhel', 'Red Hat', 'Red Hat Enterprise Linux®' ], [ 'cloudlinux', 'CloudLinux', 'CloudLinux™' ], [ 'almalinux', 'AlmaLinux', 'AlmaLinux' ], # based on how it is written at almalinux.org [ 'rocky', 'Rocky Linux', 'Rocky Linux' ], ) { return $names->[ $full ? 2 : 1 ] if $distro eq $names->[0]; } return $distro; } sub validate_cloudlinux_registration { my ($self) = @_; # Short here if not CloudLinux. my $distro_name = $self->distro_name; return unless $distro_name eq 'cloudlinux'; $self->validate_registration( { distro_name => _distro_name($distro_name), full_distro_name => _distro_name( $distro_name, 1 ), register_command => '/usr/sbin/clnreg_ks --force', } ); return; } sub validate_rhn_registration { my ($self) = @_; # Short here if not redhat my $distro_name = $self->distro_name; return unless $distro_name eq 'rhel'; $self->validate_registration( { distro_name => _distro_name($distro_name), full_distro_name => _distro_name( $distro_name, 1 ), register_command => '/usr/sbin/rhn_register', } ); my @channels = `/usr/bin/yum repolist enabled`; ## no critic(ProhibitQxAndBackticks) INFO("Validating that the system subscribed to the optional RHN channel..."); # optional channel validated. return if grep { m/-optional(?:-[0-9]|-rpms|\/7Server)/ } @channels; my $optional_channel; foreach my $channel (@channels) { chomp $channel; # On RHEL 6, this line looks like this: # rhel-6-server-rpms Red Hat Enterprise Linux 6 Server (RPMs) # On RHEL 7, it looks like this: # rhel-7-server-rpms/7Server/x86_64 Red Hat Enterprise Linux 7 Server (RPMs) 13,357 next if ( $channel !~ /^[!*]?(rhel-([0-9xi_]+)-server-([0-9]+|rpms))[\s\/]+.*$/i ); $channel = $1; $optional_channel = $channel; $optional_channel =~ s/-server-6/-server-optional-6/; $optional_channel =~ s/-server-rpms/-server-optional-rpms/; } if ( !$optional_channel ) { ERROR("The server is not registered with a known Red Hat base channel."); ERROR('$> /usr/bin/yum repolist enabled'); ERROR(`/usr/bin/yum repolist enabled`); ## no critic(ProhibitQxAndBackticks) exit 8; ## no critic(NoExitsFromSubroutines) # has always been like this } my $distro_major = $self->distro_major; ERROR("cPanel & WHM requires you to subscribe to the RHEL $distro_major optional channel, to get all of the needed packages."); ERROR("cPanel & WHM will not function without this channel. Check your subscriptions and then rerun the installer."); ERROR(" "); ERROR("Please run the following command: /usr/sbin/spacewalk-channel --add --channel=$optional_channel"); ERROR("Or, for newer versions, run the following command: /usr/sbin/subscription-manager attach --auto"); ERROR(" "); ERROR("You can register to the optional channel at http://rhn.redhat.com."); FATAL("Terminating..."); return; } sub validate_registration { my ( $self, $opts ) = @_; INFO("Checking the $opts->{'distro_name'} registration for updates..."); local $ENV{'TERM'} = 'dumb'; my $registered = `/usr/bin/yum list < /dev/null 2>&1`; ## no critic(ProhibitQxAndBackticks) if ( $registered =~ m/not register|Please run rhn_register/ms && $registered !~ /is receiving updates/ms ) { ERROR("When you use $opts->{'full_distro_name'}, you must register "); ERROR("with the $opts->{'distro_name'} Network before you install cPanel & WHM."); ERROR("Run the following command to register your server: $opts->{'register_command'} "); FATAL("The installation process will now terminate..."); } return; } sub check_networking_scripts { my ($self) = @_; # Ensure network-scripts is installed and configured while networkManager # is disabled on CentOS 8 & 9. if ( $self->distro_major >= 8 ) { $self->check_network_scripts; } else { # Validate NetworkManager is off and uninstalled. $self->check_network_manager; } return; } # Install network-scripts package on CentOS 8 before we do the Network Manager check, so if # a user changes the hostname and removes NM without installing network-scripts manually, the # server will be able to come back online. sub check_network_scripts { my ($self) = @_; return if $self->distro_major >= 9; INFO("Configuring networking now..."); $self->yum_nohang_ssystem(qw{ /usr/bin/yum -y install network-scripts }); Common::ssystem(qw{systemctl enable network.service}); Common::ssystem(qw{systemctl start network.service}); # These will fail if NetworkManager is not installed (i.e. CL8) # so we ignore the errors here in case NetworkManager is not installed Common::ssystem( qw{systemctl disable NetworkManager}, { ignore_errors => 1 } ); Common::ssystem( qw{systemctl stop NetworkManager}, { ignore_errors => 1 } ); return; } sub check_network_manager { my ($self) = @_; INFO("Checking for NetworkManager now..."); if ( $self->distro_major == 6 ) { $self->check_initd_network_manager(); return; } $self->check_systemd_network_manager(); return; } sub network_manager_report_status { my ( $self, $uninstalled, $running, $startup ) = @_; if ($uninstalled) { INFO("NetworkManager is not installed."); } elsif ( $running || $startup ) { ERROR("********************* ERROR *********************"); ERROR("NetworkManager is installed and running, or "); ERROR("configured to startup. "); ERROR(""); ERROR("cPanel does not support NetworkManager enabled "); ERROR("systems. The installation cannot proceed. "); ERROR(""); ERROR("See https://go.cpanel.net/disablenm for more "); ERROR("information on disabling Network Manager. "); ERROR("********************* ERROR *********************"); ( $self->force ) ? WARN("Continuing installation due to force flag...") : FATAL("Exiting..."); } else { WARN("NetworkManager is installed, but not active. Consider removing it."); } return; } sub check_initd_network_manager { my ($self) = @_; my $status = `service NetworkManager status 2>/dev/null`; my $uninstalled = !$status; my $running; my $startup; if ($status) { my ( $status_service, $verb, $status_state ) = split( ' ', $status ); $running = $status_state ne 'stopped'; } my $config = `chkconfig NetworkManager --list 2>/dev/null`; if ($config) { my ( $config_service, $config_runlevels ) = split( ' ', $config, 2 ); $startup = $config_runlevels =~ m/:on/; } $self->network_manager_report_status( $uninstalled, $running, $startup ); return; } sub check_systemd_network_manager { my ($self) = @_; my $status = `systemctl --all --no-legend --no-pager list-units NetworkManager.service 2>/dev/null`; my $uninstalled = !$status; my $running; my $startup; if ($status) { my ( $status_service, $load_state, $active_state, $sub_state, @service_description ) = split( ' ', $status ); $running = $active_state && $sub_state && $active_state ne 'inactive' && $sub_state ne 'dead'; # they uninstalled it, but didn't run systemctl daemon-reload if ( $load_state eq 'not-found' ) { $uninstalled = 1; } } my $config = `systemctl --all --no-legend --no-pager list-unit-files NetworkManager.service 2>/dev/null`; if ($config) { my ( $config_service, $enabled_state ) = split( ' ', $config ); $startup = $enabled_state && $enabled_state ne 'disabled' && $enabled_state ne 'masked'; } $self->network_manager_report_status( $uninstalled, $running, $startup ); return; } sub check_system_files { my ($self) = @_; $self->SUPER::check_system_files; _ensure_selinux_disabled(); # A tiny version of Cpanel::RpmUtils::checkupdatesystem(); my $out = `/usr/bin/yum info glibc 2>&1` || ''; ## no critic(ProhibitQxAndBackticks) if ( $? != 0 ) { ERROR("Your operating system's RPM update method (yum) could not locate the glibc package. This is an indication of an improper setup. You must correct this error before you proceed. "); DEBUG("Output: $out"); FATAL("\n\n"); } return; } sub _ensure_selinux_disabled { # Disable selinux on RHEL systems. my $selinux_config_dir = '/etc/selinux'; my $selinux_config_file = "$selinux_config_dir/config"; if ( open my $fh, '<', $selinux_config_file ) { local $/; my $selinux_config = <$fh>; my ($current_setting) = $selinux_config =~ m{^SELINUX=(\w+)$}xms; # If selinux config exists and is configured to disabled, do nothing. if ( $current_setting eq 'disabled' ) { return; } } INFO("Creating SELinux config file: $selinux_config_file"); mkdir $selinux_config_dir unless -d $selinux_config_dir; open my $fh, '>', $selinux_config_file or FATAL("Unable to create $selinux_config_file"); print {$fh} "SELINUX=disabled\n"; close $fh; return; } # This is a peared down version of ensure_rpms_installed because we don't yet have cpanel code. # We also assume centhat 5/6/7 for this code. sub install_basic_precursor_packages { my ($self) = @_; # Disable rpmforge repos if ( glob '/etc/yum.repos.d/*rpmforge*' ) { WARN('DISABLING rpmforge yum repositories.'); mkdir( '/etc/yum.repos.d.disabled', 0755 ); Common::ssystem('mv -fv -- /etc/yum.repos.d/*rpmforge* /etc/yum.repos.d.disabled/ 2>/dev/null'); } $self->setup_update_config(); # No fastest-mirror package available on CentOS 8 if ( is_yum_system() ) { $self->install_fastest_mirror; } # Minimal packages needed to use yum. 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 # Password strength functionality relies on cracklib-dicts being installed my @packages_to_install = qw/wget bzip2 gnupg2 xz yum nscd psmisc cracklib-dicts crontabs sysstat perl-Net-SSLeay/; my $distro_major = $self->distro_major; if ( $distro_major >= 8 ) { # Install epel-releases manually since the BaseOS repo no longer contains this package my $repo = 'https://dl.fedoraproject.org/pub/epel/epel-release-latest-' . $distro_major . '.noarch.rpm'; $self->yum_nohang_ssystem( '/usr/bin/yum', '-y', 'install', $repo ); # libssh2 moved to epel. python3 is required for retry_rpm. push @packages_to_install, 'python3'; } else { # rdate and yum-fastestmirror aren't available on 8, but set as default for everything else push( @packages_to_install, 'rdate', 'yum-fastestmirror' ); } # Don't attempt to install kernel-headers on systems with the CentOS Plus kernel headers already installed. # We do not need kernel-headers for v70+ since we don't link anything against the kernel anymore # if ( !has_kernel_plus_headers() ) { # push @packages_to_install, 'kernel-headers'; # Needed because Cpanel::SysPkgs excludes kernel_version #} if (@packages_to_install) { $self->yum_nohang_ssystem( '/usr/bin/yum', '-y', 'install', @packages_to_install ); } # Make sure all rpms are up to date if we are running # an older version that CentOS 7 since we only support # Centos 6.5+. # # Additionally we need Centos 7.4+ to ensure they # have the latest version of openssl per # CPANEL-25853 my $distro_version = sprintf( "%d.%d", $self->distro_major, $self->distro_minor ); if ( $distro_version < 6.5 || ( $distro_major == 7 && $distro_version < 7.4 ) ) { $self->yum_nohang_ssystem( '/usr/bin/yum', '-y', 'update' ); } # Reinstate yum exclusions unlink '/etc/checkyumdisable'; Common::ssystem('/usr/local/cpanel/scripts/checkyum') if ( -e '/usr/local/cpanel/scripts/checkyum' ); return; } sub setup_update_config { my ($self) = @_; # legacy files unlink('/var/cpanel/useup2date'); unlink('/var/cpanel/useyum'); $self->touch('/var/cpanel/yum_rhn') if $self->distro_name eq 'redhat'; INFO("The installation process will now ensure that GPG is set up properly before it imports keys."); Common::ssystem(qw{/usr/bin/gpg --list-keys}); INFO("The installation process will now import GPG keys for yum."); if ( -e '/usr/share/rhn/RPM-GPG-KEY' ) { Common::ssystem( '/usr/bin/gpg', '--import', '/usr/share/rhn/RPM-GPG-KEY' ); Common::ssystem( '/bin/rpm', '--import', '/usr/share/rhn/RPM-GPG-KEY' ); } if ( !-e '/etc/yum.conf' && -e '/etc/centos-yum.conf' ) { INFO("The system will now set up yum from the /etc/centos-yum.conf file."); Common::ssystem(qw{cp -f /etc/centos-yum.conf /etc/yum.conf}); } return; } sub yum_nohang_ssystem { my ( $self, @cmd ) = @_; # some base packages were moved to PowerTools on CentOS 8; e.g. elinks my $power_repo = $self->_get_powertools_repoid; push @cmd, "--enablerepo=$power_repo" if $power_repo; my $failcount = 0; my $result = 1; while ($result) { # While yum is failing. $result = Common::ssystem(@cmd); last if ( !$result ); # yum came back clean. Stop re-trying $failcount++; if ( $failcount > 5 ) { FATAL("yum failed $failcount times. The installation process cannot continue."); } } return; } # see also: Cpanel::SysPkgs::YUM::_get_powertools_repoid sub _get_powertools_repoid { my ($self) = @_; return if $self->distro_major <= 7; return if $self->distro_major >= 9 && $self->distro_name eq 'cloudlinux'; return 'cloudlinux-PowerTools' if $self->distro_name eq 'cloudlinux'; return 'crb' if $self->distro_major >= 9; if ( $self->distro_major == 8 && $self->distro_minor >= 3 ) { # distro_ver >= 8.3 return 'powertools'; } return 'PowerTools'; } sub is_yum_system { return 'yum' eq name_of_package_manager(); } my $package_manager; sub name_of_package_manager { return $package_manager if defined $package_manager; my $code = Common::ssystem( qw(rpm -q dnf), { 'ignore_errors' => 1 } ); if ( 0 == $code ) { $package_manager = 'dnf'; } else { $package_manager = 'yum'; } return $package_manager; } # Install fastest mirror plugin for CentOS sub install_fastest_mirror { my ($self) = @_; return unless $self->distro_name =~ m/centos|almalinux|rocky/; return if has_yum_plugin_fastestmirror(); INFO("Installing the fastest mirror plugin..."); Common::ssystem( '/usr/bin/yum', 'clean', 'plugins' ); Common::ssystem( '/usr/bin/yum', '-y', 'install', 'yum-fastestmirror' ); Common::ssystem( '/usr/bin/yum', 'clean', 'plugins' ); # We set the number of threads in bootstrap # # # We used to support 512MB of ram which caused a problem with a high # maxthreads (FB-51412), however this is no longer an issue # https://documentation.cpanel.net/display/78Docs/Installation+Guide+-+System+Requirements # return; } sub has_yum_plugin_fastestmirror { my $rpm_query = `rpm -q --nodigest --nosignature yum-plugin-fastestmirror`; ## no critic(ProhibitQxAndBackticks) return $rpm_query =~ /not installed/ ? 0 : 1; } sub remove_distro_software { my ($self) = @_; my @remove_rpms = qw( dovecot exim mysql MySQL mysql-max MySQL-Max mysql-devel MySQL-devel mysql-client MySQL-client mysql-ndb-storage MySQL-ndb-storage mysql-ndb-management MySQL-ndb-management mysql-ndb-tools MySQL-ndb-tools mysql-ndb-extra MySQL-ndb-extra mysql-shared MySQL-shared mysql-libs MySQL-libs mysql-bench MySQL-bench mysql-server MySQL-server wu-ftpd portreserve postfix sendmail smail spamassassin apache-conf mod_perl mariadb-libs MariaDB-client MariaDB-common MariaDB-server MariaDB-compat MariaDB-shared pure-ftpd proftpd bind-chroot ); INFO('Ensuring that prelink is disabled...'); if ( open( my $fh, '+<', '/etc/sysconfig/prelink' ) ) { my @lines = map { my $s = $_; $s =~ s/^(PRELINKING=)yes(.*)$/$1no$2/; $s } <$fh>; seek( $fh, 0, 0 ); print {$fh} @lines; truncate( $fh, tell($fh) ); } INFO('Ensuring that conflicting services are not installed...'); my @rpms_to_remove = map { ( split( m{-}, $_, 2 ) )[1] } # split INSTALLED-NAME and take NAME grep { rindex( $_, 'INSTALLED-', 0 ) == 0 } # Only output that starts with INSTALLED- is installed split( m{\n}, `rpm -q --nodigest --nosignature --queryformat 'INSTALLED-%{NAME}\n' @remove_rpms` ); ## no critic(ProhibitQxAndBackticks) if (@rpms_to_remove) { DEBUG(" Removing @rpms_to_remove..."); Common::ssystem( 'rpm', '-e', '--nodeps', @rpms_to_remove, { ignore_errors => 1 } ); } INFO('Removing conflicting service references from the RPM database (but leaving the services installed)...'); my @all_pkgs = `rpm -qa --nodigest --nosignature --queryformat '%{name}\n'`; ## no critic(ProhibitQxAndBackticks) @all_pkgs = grep { $_ !~ m/^(?:cpanel|alt)-/ } @all_pkgs; # Don't worry about cpanel or cloudlinux RPMS. unless ( $self->skip_apache ) { foreach my $rpm ( grep m/http|php|apache|mod_perl/, @all_pkgs ) { next if $rpm =~ m/^(perl|lib)/; # ignore things like libnghttp2 and perl-LWP-Protocol-https which we want!!! chomp $rpm; DEBUG(" Removing $rpm..."); Common::ssystem( 'rpm', '-e', '--nodeps', $rpm, { ignore_errors => 1 } ); } } # CPANEL-30184: Required since the file is not managed by the rpm, and is not removed with it. if ( -e '/var/lib/dovecot/ssl-parameters.dat' ) { unlink '/var/lib/dovecot/ssl-parameters.dat'; } 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: # 5.7, 8.0, 10.3, 10.5, 10.6, 10.11 # The following will recommend a specific version in error output: # 5.5, 5.6, 10.0, 10.1, 10.2 my $version_filter = qr{^(?: 5\.[5-7] | 8(?:\.0) | 10(?:\.(?:[0-3,5-6]|11)) )$}x; unless ( $mysql_version =~ m/$version_filter/ ) { 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; my $distro_major = $self->distro_major; my %db_id = CpanelMySQL::get_db_identifiers($mysql_version); if ( $self->distro_name eq 'cloudlinux' && $distro_major == 6 && $mysql_version >= 10.5 ) { FATAL("cPanel & WHM does not support $db_id{'stylized'} $mysql_version on CloudLinux™ $distro_major. See https://go.cpanel.net/supported-mysql-mariadb-versions for a list of supported versions."); } my $advice = CpanelMySQL::get_db_version_advice( $mysql_version, $lts_version, $distro_major, $db_id{'plain'} ); if ( $advice->{ver} && $advice->{action} ) { FATAL('The mysql-version value in /root/cpanel_profile/cpanel.config is either invalid or references an unsupported MySQL/MariaDB version. See https://go.cpanel.net/supported-mysql-mariadb-versions for a list of supported versions.'); } return; } sub is_python2_named_python { return 0 == Common::ssystem( qw(yum info python), { 'ignore_errors' => 1, 'quiet' => 1 } ); } # These packages are needed for MySQL later in the install # By installing them now we do not have to wait for # download sub background_download_packages_used_during_initial_install { my ($self) = @_; my @elinks_deps = qw(js nss_compat_ossl); my @sysup_packages_to_install = qw{quota expat expat-devel}; my @ea4_packages_to_install = qw{elinks libssh2 libssh2-devel libvpx scl-utils perl-libwww-perl krb5-devel perl-Compress-Raw-Bzip2 perl-Compress-Raw-Zlib autoconf automake}; my @mysql_support_packages_to_install = qw{numactl-libs grep shadow-utils coreutils perl-DBI}; @ea4_packages_to_install = grep { $_ ne 'elinks' } @ea4_packages_to_install if $self->distro_major >= 9; my @packages_to_install = ( @mysql_support_packages_to_install, @sysup_packages_to_install, @ea4_packages_to_install ); if ( $self->distro_major <= 8 ) { # python2 is not available starting with 9 my @python2_packages = qw{python python-devel python-docs python-setuptools }; if ( is_python2_named_python() ) { push @packages_to_install, @python2_packages; } else { push @packages_to_install, map { my $pkg = $_; $pkg =~ s/python/python2/; $pkg } @python2_packages; } } if ( $self->distro_major < 8 ) { push @packages_to_install, @elinks_deps; } my @epel; if ( -e "/etc/yum.repos.d/epel.repo" ) { # for ea4 @epel = ('--enablerepo=epel'); } return $self->run_in_background( sub { $self->yum_nohang_ssystem( '/usr/bin/yum', @epel, '--downloadonly', '-y', 'install', @packages_to_install ); } ); } sub pre_checks_while_waiting_for_fix_cpanel_perl { my ($self) = @_; $self->SUPER::pre_checks_while_waiting_for_fix_cpanel_perl; Common::ssystem( '/usr/sbin/setenforce', '0', { ignore_errors => 1 } ) if -e '/usr/sbin/setenforce'; return; } # Attempt to enable module for dnf to specific version sub enable_dnf_module { my ( $self, $module, $version ) = @_; if ( !$module || !$version ) { WARN("Invalid call to enable_dnf_module(“$module”,“$version“)"); } my $result = Common::ssystem( '/usr/bin/dnf', 'module', 'enable', "$module:$version", '-y' ); return; } 1;