package urpm::parallel; # $Id: $ use urpm; use urpm::util; use urpm::msg; sub configure { my ($urpm, $alias) = @_; my @parallel_options; #- read parallel configuration foreach (cat_("/etc/urpmi/parallel.cfg")) { chomp; s/#.*$//; s/^\s*//; s/\s*$//; /\s*([^:]*):(.*)/ or $urpm->{error}(N("unable to parse \"%s\" in file [%s]", $_, "/etc/urpmi/parallel.cfg")), next; $1 eq $alias and push @parallel_options, $2; } #- if a configuration option has been found, use it; else fatal error. my $parallel_handler; if (@parallel_options) { foreach my $dir (grep { -d $_ } map { "$_/urpm" } @INC) { foreach my $pm (grep { -f $_ } glob("$dir/parallel*.pm")) { #- load parallel modules $urpm->{log}->(N("examining parallel handler in file [%s]", $pm)); # perl_checker: require urpm::parallel_ka_run # perl_checker: require urpm::parallel_ssh eval { require $pm; $parallel_handler = $urpm->handle_parallel_options(join("\n", @parallel_options)) }; $parallel_handler and last; } $parallel_handler and last; } } if ($parallel_handler) { if ($parallel_handler->{nodes}) { $urpm->{log}->(N("found parallel handler for nodes: %s", join(', ', keys %{$parallel_handler->{nodes}}))); } $urpm->{parallel_handler} = $parallel_handler; } else { $urpm->{fatal}(1, N("unable to use parallel option \"%s\"", $alias)); } } sub resolve_dependencies { my ($urpm, $state, $requested, %options) = @_; #- build the global synthesis file first. my $file = "$urpm->{cachedir}/partial/parallel.cz"; unlink $file; foreach (@{$urpm->{media}}) { urpm::is_valid_medium($_) or next; my $f = urpm::statedir_synthesis($urpm, $_); system "cat '$f' >> '$file'"; } #- let each node determine what is requested, according to handler given. $urpm->{parallel_handler}->parallel_resolve_dependencies($file, $urpm, $state, $requested, %options); } #- remove packages from node as remembered according to resolving done. sub remove { my ($urpm, $remove, %options) = @_; my $state = {}; my $callback = sub { $urpm->{fatal}(1, "internal distributed remove fatal error") }; $urpm->{parallel_handler}->parallel_find_remove($urpm, $state, $remove, %options, callback_notfound => undef, callback_fuzzy => $callback, callback_base => $callback, ); } 1;