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#!/usr/local/cpanel/3rdparty/bin/perl # cpanel - ea_install_profile Copyright(c) 2016 cPanel, Inc. # All rights Reserved. # copyright@cpanel.net http://cpanel.net # This code is subject to the cPanel license. Unauthorized copying is prohibited package ea_install_profile; use strict; use Cpanel::JSON; use Cpanel::PackMan; use Cpanel::Config::Httpd; use Data::Dumper; use Path::Tiny 'path'; sub usage { my ($msg) = @_; print "Error: $msg\n" if defined $msg; print "usage: ea_install_profile [--firstinstall|--install] profile_file\n"; print "\n"; print " With no flags, $0 will only do conflict resolution on the profile.\n"; print "\n"; print " --install: Resolve conflicts and install the profile.\n"; print " --firstinstall: Attempt to do the install without conflict resolution and fallback\n"; print " to doing --install if it fails. This is only intended to be used\n"; print " on a fresh cPanel install.\n"; print "\n"; exit( $msg ? 1 : 0 ); } sub script { my (@args) = @_; die "May only be run if you are using EasyApache 4" if ( !Cpanel::Config::Httpd::is_ea4() ); my $profile; my $install = 0; my $firstinstall = 0; my $idx = 0; if ( $args[$idx] eq "--firstinstall" ) { $idx++; $firstinstall = 1; } if ( $args[$idx] eq "--install" ) { $idx++; $install = 1; } usage() if ( !defined $args[$idx] ); $profile = $args[$idx]; if ( !-f $profile ) { $profile = "/etc/cpanel/ea4/profiles/custom/" . $profile; usage("Cannot find profile") if !-f $profile; } my @addl_prefixes = eval { map { $_->basename } path("/etc/cpanel/ea4/additional-pkg-prefixes/")->children; }; print "Loading profile …\n"; my %server_pkgs; @server_pkgs{ Cpanel::PackMan->instance->list( 'prefix' => 'ea-' ) } = (); for my $prefix (@addl_prefixes) { @server_pkgs{ Cpanel::PackMan->instance->list( 'prefix' => "$prefix-" ) } = (); } my $data = Cpanel::JSON::LoadFile($profile); # 1. Fix ea-apachae24 package names with underscores for Ubuntu and with dashes for RHEL if needed (See ZC-11501 for why this is necessary) my $pkgmgr = -x '/usr/bin/apt' ? 'deb' : 'rpm'; my $changed = 0; if ( $pkgmgr eq 'deb' ) { foreach my $pkg ( @{ $data->{pkgs} } ) { my $new_pkg = _normalize_pkg_for_ubuntu($pkg); if ( $new_pkg ne $pkg ) { $pkg = $new_pkg; $changed = 1; } } } elsif ( $pkgmgr eq 'rpm' ) { foreach my $pkg ( @{ $data->{pkgs} } ) { my $new_pkg = _normalize_pkg_for_rhel( $pkg, \%server_pkgs ); if ( $new_pkg ne $pkg ) { $pkg = $new_pkg; $changed = 1; } } } else { die "How did we get here? `pkgmgr` is neither `rpm` nor `deb` ($pkgmgr)\n"; } path($profile)->spew( Cpanel::JSON::pretty_dump($data) ) if $changed; # 2. detect any packages in the profile that do not exist on the server my %not_on_server = ( map { !exists $server_pkgs{$_} ? ( $_ => undef ) : () } @{ $data->{pkgs} } ); # 3. remove %not_on_server from $profile->{pkgs} $data->{pkgs} = [ grep { !exists $not_on_server{$_} } @{ $data->{pkgs} } ]; # 4. Tell them about the ones we are ignoring my $derps = 0; for my $derppkg ( sort keys %not_on_server ) { warn " * Warning! ignored package: $derppkg. It is in the profile’s package list but does not exist on this server.\n"; $derps++; } print "\n" if $derps; if ( $data->{pre} ) { print "Installing prereqs …\n"; my $sys = Cpanel::PackMan->instance->sys; $sys->install( @{ $data->{pre} } ); # apt, yum, and dnf’s `install` will install if its not installed, upgrade if its old, noop if its already the latest $sys->cache; # this is needed in case a new package repo was put in place print " … prereqs done!\n\n"; } if ($firstinstall) { print "The system is running in first install mode and will install the requested packages without resolving conflicts …\n"; local $@; eval { Cpanel::PackMan->instance->sys->install( @{ $data->{pkgs} } ); }; print " … done!\n"; if ($@) { warn "First install method failed ($@)."; warn "The system will fall back to doing a full install."; $install = 1; } else { return 0; } } print "The system is resolving package dependencies and conflicts. This may take some time …\n"; my $resolve_method = defined &Cpanel::PackMan::resolve_multi_op_ns ? 'resolve_multi_op_ns' : 'resolve_multi_op'; my $res = Cpanel::PackMan->instance->$resolve_method( $data->{'pkgs'}, 'ea' ); for my $prefix (@addl_prefixes) { my $prefix_res = eval { Cpanel::PackMan->instance->$resolve_method( $data->{'pkgs'}, $prefix ) }; if ($@) { if ( $@ =~ m/Unknown namespace/ ) { warn "!!!! Your system is not new enough to support EA4 pkg prefixes besides `ea-`, other prefixes will be left out !!\n"; last; } else { chomp $@; warn "!!!! There was a problem with the additional-pkg-prefix “$prefix”, it will be left out !!\n\tError: $@\n"; next; } } for my $field (qw(uninstall unaffected upgrade install)) { push @{ $res->{$field} }, @{ $prefix_res->{$field} }; } } print " … done!\n"; if ($install) { print "Installing …\n"; my $actions = Cpanel::PackMan->instance->multi_op($res); if ( !$actions ) { print " … nothing to do.\n"; } else { print " … done!\n"; } } else { print Dumper($res); } return 0; } sub _normalize_pkg_for_ubuntu { my ($pkg) = @_; $pkg =~ s/_/-/g; return $pkg; } sub _normalize_pkg_for_rhel { my ( $orig_pkg, $server_pkgs_hr ) = @_; # Short-circuit if there is an exact match: return $orig_pkg if exists $server_pkgs_hr->{$orig_pkg}; my $pkg = $orig_pkg; my $prefix = 'ea-apache24-mod'; if ( $pkg =~ m/^($prefix)(.*)/ ) { my $name = $2; $name =~ s/-/_/g; # Apache module packages tend to use underscores, so start with that. $pkg = $prefix . $name; # If that also fails, search through the entire list: if ( !exists $server_pkgs_hr->{$pkg} ) { my $re_pkg = $prefix . ( $name =~ s/_/[-_]/gr ); my @results = grep { m/^$re_pkg$/ } keys %$server_pkgs_hr; $pkg = $results[0] if scalar @results > 0; warn "!!!! Multiple inexact matches for '$orig_pkg' when treating underscores and dashes as equivalent; using '$pkg'!" if scalar @results > 1; } } return $pkg; } exit( script(@ARGV) ) unless caller(); 1;
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