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package urpm::parallel_ka_run;
# $Id$
#- Copyright (C) 2002, 2003, 2004, 2005 MandrakeSoft SA
#- Copyright (C) 2005 Mandriva SA
use strict;
use urpm::util;
use urpm::msg;
use urpm::parallel;
our @ISA = (); #- help perl_checker
(our $VERSION) = q($Revision$) =~ /(\d+)/;
our $mput_command = $ENV{URPMI_MPUT_COMMAND};
our $rshp_command = $ENV{URPMI_RSHP_COMMAND};
if (!$mput_command) {
($mput_command) = grep { -x $_ } qw(/usr/bin/mput2 /usr/bin/mput);
}
$mput_command ||= 'mput';
if (!$rshp_command) {
($rshp_command) = grep { -x $_ } qw(/usr/bin/rshp2 /usr/bin/rshp);
}
$rshp_command ||= 'rshp';
#- parallel copy
sub parallel_register_rpms {
my ($parallel, $urpm, @files) = @_;
$urpm->{log}("parallel_ka_run: $mput_command $parallel->{options} -- @files $urpm->{cachedir}/rpms/");
system $mput_command, split(' ', $parallel->{options}), '--', @files, "$urpm->{cachedir}/rpms/";
$? == 0 || $? == 256 or $urpm->{fatal}(1, N("mput failed, maybe a node is unreacheable"));
urpm::parallel::post_register_rpms($parallel, $urpm, @files);
}
#- parallel find_packages_to_remove
sub parallel_find_remove {
my ($parallel, $urpm, $state, $l, %options) = @_;
my ($test, $pkgs) = urpm::parallel::find_remove_pre($urpm, $state, %options);
$pkgs and return @$pkgs;
my (%bad_nodes, %base_to_remove, %notfound);
#- now try an iteration of urpme.
$urpm->{log}("parallel_ka_run: $rshp_command -v $parallel->{options} -- urpme --no-locales --auto $test" . (join ' ', map { "'$_'" } @$l));
open my $fh, "$rshp_command -v $parallel->{options} -- urpme --no-locales --auto $test" . join(' ', map { "'$_'" } @$l) . " 2>&1 |";
while (my $s = <$fh>) {
my ($node, $s_) = _parse_rshp_output($_) or next;
urpm::parallel::parse_urpme_output($urpm, $state, $node, $s_,
\%notfound, \%base_to_remove, \%bad_nodes, %options)
or last;
}
close $fh or $urpm->{fatal}(1, N("rshp failed, maybe a node is unreacheable"));
#- check base, which has been delayed until there.
if ($options{callback_base} && %base_to_remove) {
$options{callback_base}->($urpm, keys %base_to_remove) or return ();
}
#- build error list contains all the error returned by each node.
$urpm->{error_remove} = [ map {
my $msg = N("on node %s", $_);
map { "$msg, $_" } @{$bad_nodes{$_}};
} keys %bad_nodes ];
#- if at least one node has the package, it should be seen as unknown...
delete @notfound{map { /^(.*)-[^-]*-[^-]*$/ } keys %{$state->{rejected}}};
if (%notfound) {
$options{callback_notfound} && $options{callback_notfound}->($urpm, keys %notfound)
or delete $state->{rejected};
}
keys %{$state->{rejected}};
}
#- parallel resolve_dependencies
sub parallel_resolve_dependencies {
my ($parallel, $synthesis, $urpm, $state, $requested, %options) = @_;
my (%avoided, %requested);
#- first propagate the synthesis file to all machines
$urpm->{ui_msg}("parallel_ka_run: $mput_command $parallel->{options} -- '$synthesis' '$synthesis'", N("Propagating synthesis to nodes..."));
system($mput_command, $parallel->{options}, '--', $synthesis, $synthesis);
$? == 0 || $? == 256 or $urpm->{fatal}(1, N("mput failed, maybe a node is unreacheable"));
$parallel->{synthesis} = $synthesis;
#- compute command line of urpm? tools.
my $line = $parallel->{line} . ($options{auto_select} ? ' --auto-select' : '') . ($options{keep} ? ' --keep' : '');
foreach (keys %$requested) {
if (/\|/) {
#- taken from URPM::Resolve to filter out choices, not complete though.
my $packages = $urpm->find_candidate_packages($_);
foreach (values %$packages) {
my ($best_requested, $best);
foreach (@$_) {
exists $state->{selected}{$_->id} and $best_requested = $_, last;
exists $avoided{$_->name} and next;
if ($best_requested || exists $requested{$_->id}) {
if ($best_requested && $best_requested != $_) {
$_->compare_pkg($best_requested) > 0 and $best_requested = $_;
} else {
$best_requested = $_;
}
} elsif ($best && $best != $_) {
$_->compare_pkg($best) > 0 and $best = $_;
} else {
$best = $_;
}
}
$_ = $best_requested || $best;
}
#- simplified choice resolution.
my $choice = $options{callback_choices}->($urpm, undef, $state, [ values %$packages ]);
if ($choice) {
$urpm->{source}{$choice->id} and next; #- local packages have already been added.
$line .= ' ' . $choice->fullname;
}
} else {
my $pkg = $urpm->{depslist}[$_] or next;
$urpm->{source}{$pkg->id} and next; #- local packages have already been added.
$line .= ' ' . $pkg->fullname;
}
}
#- execute urpmq to determine packages to install.
my ($node, $cont, %chosen);
local $_;
do {
$cont = 0; #- prepare to stop iteration.
#- the following state should be cleaned for each iteration.
delete $state->{selected};
#- now try an iteration of urpmq.
$urpm->{ui_msg}("parallel_ka_run: $rshp_command -v $parallel->{options} -- urpmq --synthesis $synthesis -fduc $line " . join(' ', keys %chosen), N("Resolving dependencies on nodes..."));
open my $fh, "$rshp_command -v $parallel->{options} -- urpmq --synthesis $synthesis -fduc $line " . join(' ', keys %chosen) . " |";
while (<$fh>) {
chomp;
($node, $_) = _parse_rshp_output($_) or next;
if (my ($action, $what) = /^\@([^\@]*)\@(.*)/) {
if ($action eq 'removing') {
$state->{rejected}{$what}{removed} = 1;
$state->{rejected}{$what}{nodes}{$node} = undef;
}
} elsif (/\|/) {
#- distant urpmq returned a choices, check if it has already been chosen
#- or continue iteration to make sure no more choices are left.
$cont ||= 1; #- invalid transitory state (still choices is strange here if next sentence is not executed).
unless (grep { exists $chosen{$_} } split /\|/, $_) {
my $choice = $options{callback_choices}->($urpm, undef, $state, [ map { $urpm->search($_) } split '\|', $_ ]);
if ($choice) {
$chosen{scalar $choice->fullname} = $choice;
#- it has not yet been chosen so need to ask user.
$cont = 2;
} else {
#- no choices resolved, so forget it (no choices means no choices at all).
$cont = 0;
}
}
} else {
my $pkg = $urpm->search($_) or next;
$state->{selected}{$pkg->id}{$node} = $_;
}
}
close $fh or $urpm->{fatal}(1, N("rshp failed, maybe a node is unreacheable"));
#- check for internal error of resolution.
$cont == 1 and die "internal distant urpmq error on choice not taken";
} while $cont;
#- keep trace of what has been chosen finally (if any).
$parallel->{line} = join(' ', $line, keys %chosen);
}
#- parallel install.
sub parallel_install {
my ($parallel, $urpm, undef, $install, $upgrade, %options) = @_;
$urpm->{ui_msg}("parallel_ka_run: $mput_command $parallel->{options} -- " . join(' ', values %$install, values %$upgrade) . " $urpm->{cachedir}/rpms/", N("Distributing files to nodes..."));
system $mput_command, split(' ', $parallel->{options}), '--', values %$install, values %$upgrade, "$urpm->{cachedir}/rpms/";
$? == 0 || $? == 256 or $urpm->{fatal}(1, N("mput failed, maybe a node is unreacheable"));
local $_;
my ($node, %bad_nodes);
$urpm->{ui_msg}("parallel_ka_run: $rshp_command -v $parallel->{options} -- urpmi --pre-clean --no-locales --test --no-verify-rpm --auto --synthesis $parallel->{synthesis} $parallel->{line}",
N("Verifying if install is possible on nodes..."));
open my $fh, "$rshp_command -v $parallel->{options} -- urpmi --pre-clean --no-locales --test --no-verify-rpm --auto --synthesis $parallel->{synthesis} $parallel->{line} |";
while (<$fh>) {
chomp;
($node, $_) = _parse_rshp_output($_) or next;
/^\s*$/ and next;
$bad_nodes{$node} .= $_;
/Installation failed/ and $bad_nodes{$node} = '';
/Installation is possible/ and delete $bad_nodes{$node};
}
close $fh or $urpm->{fatal}(1, N("rshp failed, maybe a node is unreacheable"));
foreach (keys %{$parallel->{nodes}}) {
exists $bad_nodes{$_} or next;
$urpm->{error}(N("Installation failed on node %s", $_) . ":\n" . $bad_nodes{$_});
}
%bad_nodes and return;
if ($options{test}) {
$urpm->{error}(N("Installation is possible"));
1;
} else {
my $line = $parallel->{line} . ($options{excludepath} ? " --excludepath '$options{excludepath}'" : "");
#- continue installation.
$urpm->{ui_msg}("parallel_ka_run: $rshp_command $parallel->{options} -- urpmi --no-locales --no-verify-rpm --auto --synthesis $parallel->{synthesis} $line", N("Installing packages on nodes..."));
system("$rshp_command $parallel->{options} -- urpmi --no-locales --no-verify-rpm --auto --synthesis $parallel->{synthesis} $line") == 0;
}
}
sub _parse_rshp_output {
my ($s) = @_;
#- eg of output of rshp2: <tata2.mandriva.com> [rank:2]:@removing@mpich-1.2.5.2-10mlcs4.x86_64
if ($s =~ /<([^>]*)>.*:->:(.*)/ || $s =~ /<([^>]*)>\s*\[[^]]*\]:(.*)/) {
($1, $2);
} else {
warn "bad rshp output $s\n";
();
}
}
#- allow to bootstrap from urpmi code directly (namespace is urpm).
package urpm;
no warnings 'redefine';
sub handle_parallel_options {
my (undef, $options) = @_;
my ($media, $ka_run_options) = $options =~ /ka-run(?:\(([^\)]*)\))?:(.*)/;
if ($ka_run_options) {
my ($flush_nodes, %nodes);
foreach (split ' ', $ka_run_options) {
if ($_ eq '-m') {
$flush_nodes = 1;
} else {
$flush_nodes and $nodes{/host=([^,]*)/ ? $1 : $_} = undef;
undef $flush_nodes;
}
}
return bless {
media => $media,
options => $ka_run_options,
nodes => \%nodes,
}, "urpm::parallel_ka_run";
}
return undef;
}
1;
|
