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Kiwi.pm
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Kiwi.pm
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################################################################
#
# Copyright (c) 1995-2014 SUSE Linux Products GmbH
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 or 3 as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program (see the file COPYING); if not, write to the
# Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
#
################################################################
package Build::Kiwi;
use strict;
use Build::SimpleXML;
our $bootcallback;
our $urlmapper;
our $repopriorities = 0;
sub unify {
my %h = map {$_ => 1} @_;
return grep(delete($h{$_}), @_);
}
sub findFallBackArchs {
my ($fallbackArchXML, $arch) = @_;
my @fa;
for my $a (@{$fallbackArchXML->{'arch'}||[]}) {
if ( $a->{'id'} eq $arch && $a->{'fallback'} ) {
@fa = unify( $a->{'fallback'}, findFallBackArchs($fallbackArchXML, $a->{'fallback'}));
}
}
return @fa
}
# sles10 perl does not have the version.pm
# implement own hack
sub versionstring {
my ($str) = @_;
my $result = 0;
$result = $result * 100 + $_ for split (/\./, $str);
return $result;
}
sub kiwiparse {
my ($xml, $arch, $count) = @_;
$count ||= 0;
die("kiwi config inclusion depth limit reached\n") if $count++ > 10;
my $ret = {};
my @types;
my @repos;
my @bootrepos;
my @packages;
my @extrasources;
my @requiredarch;
my @badarch;
my $schemaversion = 0;
my $schemaversion56 = versionstring('5.6');
my $obsexclusivearch;
my $obsexcludearch;
$obsexclusivearch = $1 if $xml =~ /^\s*<!--\s+OBS-ExclusiveArch:\s+(.*)\s+-->\s*$/im;
$obsexcludearch = $1 if $xml =~ /^\s*<!--\s+OBS-ExcludeArch:\s+(.*)\s+-->\s*$/im;
my $kiwi = Build::SimpleXML::parse($xml);
die("not a kiwi config\n") unless $kiwi && $kiwi->{'image'};
$kiwi = $kiwi->{'image'}->[0];
$schemaversion = versionstring($kiwi->{'schemaversion'}) if $kiwi->{'schemaversion'};
$ret->{'filename'} = $kiwi->{'name'} if $kiwi->{'name'};
my $description = (($kiwi->{'description'} || [])->[0]) || {};
if ($description->{'specification'}) {
$ret->{'name'} = $description->{'specification'}->[0]->{'_content'};
}
# take default version setting
my $preferences = ($kiwi->{'preferences'} || []);
if ($preferences->[0]->{'version'}) {
$ret->{'version'} = $preferences->[0]->{'version'}->[0]->{'_content'};
}
for my $pref (@{$preferences || []}) {
for my $type (@{$pref->{'type'} || []}) {
next unless @{$pref->{'type'}} == 1 || !$type->{'optional'};
if (defined $type->{'image'}) {
# for kiwi 4.1 and 5.x
push @types, $type->{'image'};
push @packages, "kiwi-image:$type->{'image'}" if $schemaversion >= $schemaversion56;
} else {
# for kiwi 3.8 and before
push @types, $type->{'_content'};
}
if ($type->{'derived_from'}) {
my $derived = $type->{'derived_from'};
if ($derived =~ /^obs:\/{1,3}([^\/]+)\/([^\/]+)\/(.*)(?:#([^\#\/]+))$/) {
my $name = defined($4) ? "$3:$4" : "$3";
push @packages, "container:$1/$2/$name";
} elsif ($derived =~ /^obsrepositories:\/{1,3}([^\/].*)(?:#([^\#\/]+))$/) {
my $name = defined($2) ? "$1:$2" : "$1";
push @packages, "container:_obsrepositories//$name";
} elsif ($derived !~ /^file:/ && $derived =~ /^(.*)\/([^\/]+)(?:#([^\#\/]+))$/) {
my $url = $1;
my $name = defined($3) ? "$2:$3" : "$2";
my $prp;
$prp = $urlmapper->($url) if $urlmapper;
# try again with one element moved from url to name
if (!$prp && $derived =~ /^(.*)\/([^\/]+\/[^\/]+)(?:#([^\#\/]+))$/) {
$url = $1;
$name = defined($3) ? "$2:$3" : "$2";
$prp = $urlmapper->($url) if $urlmapper;
}
die("derived_from url not using obs:/ scheme: $derived\n") unless $prp;
push @packages, "container:$prp/$name";
}
}
push @packages, "kiwi-filesystem:$type->{'filesystem'}" if $type->{'filesystem'};
if (defined $type->{'boot'}) {
if ($type->{'boot'} =~ /^obs:\/\/\/?([^\/]+)\/([^\/]+)\/?$/) {
next unless $bootcallback;
my ($bootxml, $xsrc) = $bootcallback->($1, $2);
next unless $bootxml;
push @extrasources, $xsrc if $xsrc;
my $bret = kiwiparse($bootxml, $arch, $count);
push @bootrepos, map {"$_->{'project'}/$_->{'repository'}"} @{$bret->{'path'} || []};
push @packages, @{$bret->{'deps'} || []};
push @extrasources, @{$bret->{'extrasource'} || []};
} else {
die("bad boot reference: $type->{'boot'}\n") unless $type->{'boot'} =~ /^([^\/]+)\/([^\/]+)$/;
push @packages, "kiwi-boot:$1";
}
}
}
}
my $instsource = ($kiwi->{'instsource'} || [])->[0];
if ($instsource) {
for my $repository(sort {$a->{priority} <=> $b->{priority}} @{$instsource->{'instrepo'} || []}) {
my $kiwisource = ($repository->{'source'} || [])->[0];
if ($kiwisource->{'path'} eq 'obsrepositories:/') {
# special case, OBS will expand it.
push @repos, '_obsrepositories';
next;
}
if ($kiwisource->{'path'} =~ /^obs:\/\/\/?([^\/]+)\/([^\/]+)\/?$/) {
push @repos, "$1/$2";
} else {
my $prp;
$prp = $urlmapper->($kiwisource->{'path'}) if $urlmapper;
die("instsource repo url not using obs:/ scheme: $kiwisource->{'path'}\n") unless $prp;
push @repos, $prp;
}
}
$ret->{'sourcemedium'} = -1;
$ret->{'debugmedium'} = -1;
if ($instsource->{'productoptions'}) {
my $productoptions = $instsource->{'productoptions'}->[0] || {};
for my $po (@{$productoptions->{'productvar'} || []}) {
$ret->{'drop_repository'} = $po->{'_content'} if $po->{'name'} eq 'DROP_REPOSITORY';
$ret->{'version'} = $po->{'_content'} if $po->{'name'} eq 'VERSION';
}
for my $po (@{$productoptions->{'productoption'} || []}) {
$ret->{'sourcemedium'} = $po->{'_content'} if $po->{'name'} eq 'SOURCEMEDIUM';
$ret->{'debugmedium'} = $po->{'_content'} if $po->{'name'} eq 'DEBUGMEDIUM';
}
}
if ($instsource->{'architectures'}) {
my $a = $instsource->{'architectures'}->[0] || {};
for my $ra (@{$a->{'requiredarch'} || []}) {
push @requiredarch, $ra->{'ref'} if defined $ra->{'ref'};
}
}
}
my $packman = $preferences->[0]->{'packagemanager'}->[0]->{'_content'} || '';
# calculate priority for sorting
for (@{$kiwi->{'repository'} || []}) {
$_->{'sortprio'} = 0;
if (defined($_->{'priority'})) {
$_->{'sortprio'} = $packman eq 'smart' ? $_->{'priority'} : 99 - $_->{'priority'};
}
}
my @repositories = sort {$b->{'sortprio'} <=> $a->{'sortprio'}} @{$kiwi->{'repository'} || []};
my %repoprio;
for my $repository (@repositories) {
my $kiwisource = ($repository->{'source'} || [])->[0];
next if $kiwisource->{'path'} eq '/var/lib/empty'; # grr
if ($kiwisource->{'path'} eq 'obsrepositories:/') {
push @repos, '_obsrepositories/';
next;
}
my $prp;
if ($kiwisource->{'path'} =~ /^obs:\/{1,3}([^\/]+)\/([^\/]+)\/?$/) {
$prp = "$1/$2";
} else {
$prp = $urlmapper->($kiwisource->{'path'}) if $urlmapper;
die("repo url not using obs:/ scheme: $kiwisource->{'path'}\n") unless $prp;
}
push @repos, $prp;
$repoprio{$prp} = $repository->{'sortprio'} if defined $repository->{'priority'};
}
# Find packages and possible additional required architectures
my @additionalarchs;
my @pkgs;
for my $pattern (@{$kiwi->{'opensusePatterns'}}) {
push @pkgs, @{"pattern:$pattern->{'package'}"} if $pattern->{'package'};
}
for my $packages (@{$kiwi->{'packages'}}) {
next if $packages->{'type'} and $packages->{'type'} ne 'image' and $packages->{'type'} ne 'bootstrap';
push @pkgs, @{$packages->{'package'}} if $packages->{'package'};
}
if ($instsource) {
push @pkgs, @{$instsource->{'metadata'}->[0]->{'repopackage'} || []} if $instsource->{'metadata'};
push @pkgs, @{$instsource->{'repopackages'}->[0]->{'repopackage'} || []} if $instsource->{'repopackages'};
}
@pkgs = unify(@pkgs);
for my $package (@pkgs) {
# filter packages, which are not targeted for the wanted plattform
if ($package->{'arch'}) {
my $valid;
if (@requiredarch) {
# this is a product
for my $ma (@requiredarch) {
for my $pa (split(",", $package->{'arch'})) {
$valid = 1 if $ma eq $pa;
}
}
} else {
# live appliance
my $ma = $arch;
$ma =~ s/i[456]86/i386/;
for my $pa (split(",", $package->{'arch'})) {
$pa =~ s/i[456]86/i386/;
$valid = 1 if $ma eq $pa;
}
}
next unless $valid;
}
# not nice, but optimizes our build dependencies
# FIXME: design a real blacklist option in kiwi
if ($package->{'onlyarch'} && $package->{'onlyarch'} eq "skipit") {
push @packages, "-".$package->{'name'};
next;
}
# handle replaces as buildignore
if ($package->{'replaces'}) {
push @packages, "-".$package->{'replaces'};
}
# we need this package
push @packages, $package->{'name'};
# find the maximal superset of possible required architectures
push @additionalarchs, split(',', $package->{'addarch'}) if $package->{'addarch'};
push @additionalarchs, split(',', $package->{'onlyarch'}) if $package->{'onlyarch'};
}
@requiredarch = unify(@requiredarch, @additionalarchs);
#### FIXME: kiwi files have no informations where to get -32bit packages from
push @requiredarch, "i586" if grep {/^ia64/} @requiredarch;
push @requiredarch, "i586" if grep {/^x86_64/} @requiredarch;
push @requiredarch, "ppc" if grep {/^ppc64/} @requiredarch;
push @requiredarch, "s390" if grep {/^s390x/} @requiredarch;
my @fallbackarchs;
for my $arch (@requiredarch) {
push @fallbackarchs, findFallBackArchs($instsource->{'architectures'}[0], $arch) if $instsource->{'architectures'}[0];
}
@requiredarch = unify(@requiredarch, @fallbackarchs);
if (!$instsource) {
push @packages, "kiwi-packagemanager:$packman";
} else {
push @packages, "kiwi-packagemanager:instsource";
}
push @requiredarch, split(' ', $obsexclusivearch) if $obsexclusivearch;
push @badarch , split(' ', $obsexcludearch) if $obsexcludearch;
$ret->{'exclarch'} = [ unify(@requiredarch) ] if @requiredarch;
$ret->{'badarch'} = [ unify(@badarch) ] if @badarch;
$ret->{'deps'} = [ unify(@packages) ];
$ret->{'path'} = [ unify(@repos, @bootrepos) ];
$ret->{'imagetype'} = [ unify(@types) ];
$ret->{'extrasource'} = \@extrasources if @extrasources;
for (@{$ret->{'path'}}) {
my @s = split('/', $_, 2);
$_ = {'project' => $s[0], 'repository' => $s[1]};
$_->{'priority'} = $repoprio{"$s[0]/$s[1]"} if $repopriorities && defined $repoprio{"$s[0]/$s[1]"};
}
return $ret;
}
sub parse {
my ($cf, $fn) = @_;
local *F;
open(F, '<', $fn) || die("$fn: $!\n");
my $xml = '';
1 while sysread(F, $xml, 4096, length($xml)) > 0;
close F;
$cf ||= {};
my $d;
eval {
$d = kiwiparse($xml, ($cf->{'arch'} || ''));
};
if ($@) {
my $err = $@;
$err =~ s/^\n$//s;
return {'error' => $err};
}
return $d;
}
sub show {
my ($fn, $field, $arch) = @ARGV;
local $urlmapper = sub { return $_[0] };
my $cf = {'arch' => $arch};
my $d = parse($cf, $fn);
die("$d->{'error'}\n") if $d->{'error'};
my $x = $d->{$field};
$x = [ $x ] unless ref $x;
print "@$x\n";
}
# not implemented yet.
sub queryiso {
my ($handle, %opts) = @_;
return {};
}
sub queryhdrmd5 {
my ($bin) = @_;
die("Build::Kiwi::queryhdrmd5 unimplemented.\n");
}
1;