| Path : /scripts/ |
|
|
| Current File : //scripts/rpmup2 |
#!/usr/local/cpanel/3rdparty/bin/perl
# cpanel - scripts/rpmup Copyright 2015 cPanel, Inc.
# All rights Reserved.
# copyright@cpanel.net http://cpanel.net
# This code is subject to the cPanel license. Unauthorized copying is prohibited
#
# This script effectively does a yum -y update
# Only update methods for RHEL 4-6 are supported
package scripts::rpmup;
use strict;
use warnings;
use Cpanel::Imports;
use Getopt::Param ();
use Cpanel::Update::Config ();
use Cpanel::SysPkgs ();
use Cpanel::PackMan ();
use Cpanel::ProgLang ();
use Cpanel::Debug ();
use Cpanel::SafeRun::Errors ();
use Cpanel::Config::LoadCpConf ();
use Cpanel::Cron::Utils ();
use Cpanel::ServerTasks ();
use Cpanel::GenSysInfo (); # Already included in Cpanel::SysPkgs
use Try::Tiny;
my @EA4_REQUIRED_RPMS = ( 'ea-apache24', 'ea-apache24-config' );
my $REBOOT_NEEDED_FOR_KERNEL_UPDATE_FLAG_FILE = '/var/cpanel/reboot_required_for_kernel_update';
our $DISABLE_INSTALLED_PHPDSO_CACHE = 0;
my @Pre = (
sub {
my $pkm = Cpanel::PackMan->instance;
eval { $pkm->pkg_hr("ea-apache24") };
if ($@) {
logger->info("Resolving potential yum cache issue …\n");
$pkm->sys->_call_yum( sub { print $_[0] }, "makecache" );
}
},
sub { return cleanup_php_threaded_mpm(@_) },
sub { return cleanup_php_dso_conflict(@_) },
);
# Determines the threading status of the Apache MPM. It does not execute
# the Apache binary because EA4's configuration loads MPMs dynamically. This
# means a lot of work would need to be put forth to generate a temporary
# configuration and/or execute the current system one (which could be broken).
#
# NOTE:
# Until https://jira.cpanel.net/browse/HB-690 can update
# Cpanel::PackMan with the 'provides' information, this code manually
# queries the Apache MPM package to determine the threading status.
#
# USAGE:
# If it's unable to determine the threading status, then it returns an empty string
# Otherwise, the typical values are 'threaded' and 'forked'
sub get_apache_thread_status {
my $status = '';
my $mpm_package = Cpanel::SafeRun::Errors::saferunnoerror( q{/bin/rpm}, q{-q}, q{--nodigest}, q{--nosignature}, q{--whatprovides}, q{ea-apache24-mpm}, q{--queryformat}, q/%{name}/ );
if ( $mpm_package && $mpm_package =~ /\Aea\-apache/ ) {
my $provides = Cpanel::SafeRun::Errors::saferunnoerror( q{/bin/rpm}, q{-q}, q{--provides}, $mpm_package );
$status = $1 if $provides =~ /ea\-apache24\-mpm\s*=\s*(\w+)/; # e.g. ea-apache24-mpm = threaded
}
return lc $status;
}
my $installed_packages_cache;
# Retrieve a list of PHP packages that contain the mod_php (libphp5) Apache module
sub get_installed_phpdso_packages {
my ( $self, $php, $pkm ) = @_;
return @$installed_packages_cache if $installed_packages_cache && !$DISABLE_INSTALLED_PHPDSO_CACHE;
my @want_packages = map { "$_-php" } sort @{ $php->get_installed_packages() }; # oldest to newest for logic below
my $results = $pkm->multi_pkg_info( 'disable-excludes' => 1, 'packages' => \@want_packages );
my %installed_packages = map { ( $_->{state} eq 'installed' || $_->{state} eq 'updatable' ) ? ( $_->{package} => 1 ) : () } @{$results};
my @installed = grep { $installed_packages{$_} } @want_packages;
$installed_packages_cache = \@installed;
return @installed;
}
# EA-3753: This removes duplicate PHP DSO packages because the Apache
# webserver only works correctly if 1 is installed. Older EA4 RPMs
# did not enforce this correctly.
sub cleanup_php_dso_conflict {
my $self = shift;
my $pkm = Cpanel::PackMan->instance();
my $php = eval { Cpanel::ProgLang->new( type => 'php' ) };
return 1 unless $php;
my @packages = sort $self->get_installed_phpdso_packages( $php, $pkm ); # oldest to newest
return 1 unless @packages;
# Prefer the default PHP. If that's not set for some reason, then choose the newest.
my $default = eval { $php->get_system_default_package() } || $packages[-1]; # could be undef due to bad cfg
my $keep = ( grep { $_ eq "$default-php" } @packages ) ? "$default-php" : $packages[-1];
my @erase = grep { $_ ne $keep } @packages;
return 1 unless @erase;
print locale->maketext("You can only install a single [asis,PHP] [output,acronym,DSO,Dynamically Shared Object] package on the [asis,Apache] webserver."), "\n";
print locale->maketext( "The system will remove the [list_and_quoted,_1] [asis,PHP] [numerate,_2,package,packages].", \@erase, $#erase + 1 ), "\n";
return ( eval { $pkm->sys->uninstall(@erase) } ? 1 : 0 );
}
# EA-3954: Need to check if the system has a PHP DSO package installed
# while a threaded Apache MPM is in-use. Older EA4 rpms did not
# properly conflict. This removes the packages from the system so that
# the subsequent yum update will work when the conflict is added after
# the update.
sub cleanup_php_threaded_mpm {
my $self = shift;
my $pkm = Cpanel::PackMan->instance();
my $php = eval { Cpanel::ProgLang->new( type => 'php' ) };
return 1 unless $php;
my @packages = $self->get_installed_phpdso_packages( $php, $pkm );
return 1 unless @packages;
my $thread_status = $self->get_apache_thread_status();
return 1 unless $thread_status eq 'threaded';
print locale->maketext("The [asis,Apache] webserver’s configuration contains a threaded [output,acronym,MPM,Multi-Processing Module]."), "\n";
print locale->maketext( "The system will remove the [list_and_quoted,_1] [asis,PHP] [numerate,_2,package,packages].", \@packages, $#packages + 1 ), "\n";
return ( eval { $pkm->sys->uninstall(@packages) } ? 1 : 0 );
}
sub script {
my ($class) = @_;
my $self = bless( {}, $class );
my $param = Getopt::Param->new;
$_->($self) for @Pre;
my $syspkgs = Cpanel::SysPkgs->new();
my $update_conf_ref = Cpanel::Update::Config::load();
if ( $update_conf_ref->{'RPMUP'} eq 'never' ) {
my $updates_setting = $update_conf_ref->{'UPDATES'} || '';
my $is_manual = $ENV{'CPANEL_IS_CRON'} ? 0 : 1; # see upcp for how this is set
if ( $updates_setting eq 'never' ) {
require Cpanel::Config::Httpd::EA4;
if ( Cpanel::Config::Httpd::EA4::is_ea4() && $param->get_param('verbose') ) {
print locale->maketext(
'Because both the “[_1]” and “[_2]” options are set to “[_3]”, the system will not perform any [asis,RPM] updates.',
'RPMUP',
'UPDATES',
'never'
) . "\n";
print locale->maketext(
'Change “[_1]” to a different value to enable all [asis,RPM] updates, or change “[_2]” to a different value to enable updates to just [asis,EasyApache 4].',
'RPMUP',
'UPDATES'
) . "\n";
}
}
elsif ( $updates_setting eq 'manual' && !$is_manual ) {
# Although cPanel updates are enabled, one is not happening
# at this time because the ENV variable CPANEL_IS_CRON is set
# to 1 which indicates upcp was not called manually so only
# maintenance is being run and there is no concern about
# EA4 not being in sync with cPanel. When we are doing
# a manually update we will fall into the block below and
# and update EA4 if its installed.
if ( $param->get_param('verbose') ) {
print locale->maketext(
"Because the “[_1]” option is set to “[_2]”, the system will not update any [asis,RPMs].",
'RPMUP',
'never'
) . "\n";
}
require Cpanel::Config::Httpd::EA4;
if ( Cpanel::Config::Httpd::EA4::is_ea4() && $param->get_param('verbose') ) {
print locale->maketext(
"Because the “[_1]” option is set to “[_2]” and this is an automatic update, the system will not update EasyApache 4.",
'UPDATES',
'manual'
) . "\n";
}
}
else {
# In the event OS updates are disabled, we need to manually
# request an EA4 update to prevent the system from breaking
# because EA4 is out of date and cPanel has a newer
# configuration.
require Cpanel::Config::Httpd::EA4;
if ( Cpanel::Config::Httpd::EA4::is_ea4() ) {
if ( $param->get_param('verbose') ) {
print locale->maketext(
"Because [asis,cPanel] automatic updates are enabled and the “[_1]” option is set to “[_2]”, the [asis,RPM] update will only apply to EasyApache 4. This ensures that [asis,cPanel] and EasyApache 4 remain compatible.",
'RPMUP',
'never'
) . "\n";
}
# return 1 will exit 1 if ensure_ea4_is_updated fails
return 1 if !ensure_ea4_is_updated($syspkgs);
}
elsif ( $param->get_param('verbose') ) {
print locale->maketext(
"Because the “[_1]” option is set to “[_2]”, the system will not update any [asis,RPMs].",
'RPMUP',
'never'
) . "\n";
}
}
return 0;
}
# find_and_fix_rpm_issues is called from scripts/maintenance now
my $cpconf_ref = Cpanel::Config::LoadCpConf::loadcpconf_not_copy();
my $rpmup_allow_kernel = $cpconf_ref->{'rpmup_allow_kernel'};
$rpmup_allow_kernel ||= 0;
_run_checkyum( $syspkgs, !$rpmup_allow_kernel );
if ( $ENV{'FORCEDCPUPDATE'} ) {
# Can’t logger->info() because scripts/maintenance executes this in a way that supresses it
print "Running `yum clean all` before update due to force option …\n";
eval {
Cpanel::PackMan->instance->sys->_call_yum( sub { print $_[0] }, "clean", "all" );
};
if ($@) {
# Can’t warn() or logger->warn() because scripts/maintenance executes this in a way that supresses them
print "WARNING: `yum clean all` exited uncleanly: $@";
}
}
# The $syspkgs object will have already notified about the error.
# We do not die on failure in case _run_checkyum needs to
# change the kernel exclude back below
my $exit_code = $syspkgs->update() ? 0 : 1;
# Remove the cache for GenSysInfo and rebuild it (via rename in place), as the update may have been to a new minor version (ex. CentOS 7.3 -> 7.4)
{
local $Cpanel::GenSysInfo::sys_info_file = $Cpanel::GenSysInfo::sys_info_file . ".new";
Cpanel::GenSysInfo::run();
}
rename $Cpanel::GenSysInfo::sys_info_file . ".new", $Cpanel::GenSysInfo::sys_info_file;
Cpanel::ServerTasks::schedule_task( ['SystemTasks'], 5, "recache_system_reboot_data" );
# Ensure that the handler for code on reboot is enabled
my $root_crontab = Cpanel::Cron::Utils::fetch_user_crontab('root');
if ( $root_crontab !~ /\@reboot\s+\/usr\/local\/cpanel\/bin\/onboot_handler/ ) {
$root_crontab .= "\@reboot /usr/local/cpanel/bin/onboot_handler\n";
Cpanel::Cron::Utils::save_root_crontab($root_crontab);
}
# TODO: Remove this in cPanel & WHM v68
if ( -e $REBOOT_NEEDED_FOR_KERNEL_UPDATE_FLAG_FILE ) {
if ( !unlink($REBOOT_NEEDED_FOR_KERNEL_UPDATE_FLAG_FILE) ) {
Cpanel::Debug::log_warn("Failed to unlink($REBOOT_NEEDED_FOR_KERNEL_UPDATE_FLAG_FILE): $!");
}
}
if ( !$rpmup_allow_kernel ) {
# Only call checkyum to put back the kernel exclude
# if we took it out above.
_run_checkyum( $syspkgs, $rpmup_allow_kernel );
}
return $exit_code;
}
sub ensure_ea4_is_updated {
my ($syspkgs) = @_;
return $syspkgs->update( 'pkglist' => \@EA4_REQUIRED_RPMS );
}
sub _run_checkyum {
my ( $syspkgs, $kernel ) = @_;
my %exclude_options = %Cpanel::SysPkgs::DEFAULT_EXCLUDE_OPTIONS;
$exclude_options{'kernel'} = $kernel ? 1 : 0;
$syspkgs->reinit( \%exclude_options );
if ( !$syspkgs->check() ) {
die "The system failed to parse the yum.conf file.";
}
return 1;
}
unless ( caller() ) {
exit( __PACKAGE__->script(@ARGV) );
}
@KyuuKazami