/
bs_dispatch
executable file
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/
bs_dispatch
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#!/usr/bin/perl -w
#
# Copyright (c) 2006, 2007 Michael Schroeder, Novell Inc.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License version 2 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
#
################################################################
#
# The Job Dispatcher
#
BEGIN {
my ($wd) = $0 =~ m-(.*)/- ;
$wd ||= '.';
# FIXME: currently the bs_dispatcher makes assumptions on being in a
# properly set up working dir, e.g. with subdirs 'worker' and
# 'build'. Either that is cleaned up or this stays in, for the sake
# of startproc and others being able to start a bs_srcserver without
# knowing that it has to be started in the right directory....
chdir "$wd";
unshift @INC, "build";
unshift @INC, ".";
}
use POSIX;
use Data::Dumper;
use Digest::MD5 ();
use List::Util;
use Fcntl qw(:DEFAULT :flock);
use XML::Structured ':bytes';
use Storable;
use Build::Rpm; # for verscmp
use BSConfiguration;
use BSRPC;
use BSUtil;
use BSXML;
use BSCando;
use strict;
my $nosrcchangescale = 3; # -4.77
my %powerpkgs;
if ($BSConfig::powerpkgs) {
my $i = 1;
for (@{$BSConfig::powerpkgs || []}) {
$powerpkgs{$_} = $i++;
}
}
my %secure_sandboxes;
if ($BSConfig::secure_sandboxes) {
%secure_sandboxes = map {$_ => 1} @$BSConfig::secure_sandboxes;
} else {
# we just define xen, kvm and zvm as entirely secure sandboxes atm
# chroot, emulator, lxc are currently considered as not safe
$secure_sandboxes{$_} = 1 for qw{xen kvm zvm};
}
my $testdir;
my $testmode;
while (@ARGV) {
if ($ARGV[0] eq '--test-directory') {
shift @ARGV;
$testdir = shift @ARGV;
} elsif ($ARGV[0] eq '--test-mode' || $ARGV[0] eq '--testmode') {
shift @ARGV;
$testmode = 1;
} elsif ($ARGV[0] eq '--test-constraints') {
shift @ARGV;
my $package = shift @ARGV;
my $architecture = shift @ARGV;
my $workerinfo_file = shift @ARGV;
my $constraints_file = shift @ARGV;
my $constraintsprj_file = shift @ARGV;
my $workerinfo = readxml($workerinfo_file, $BSXML::worker);
my $jobinfo = { 'arch' => $architecture, 'package' => $package };
my $constraints;
if ($constraints_file) {
$constraints = readxml($constraints_file, $BSXML::constraints);
$constraints = overwriteconstraints($jobinfo, $constraints);
}
if ($constraintsprj_file) {
my @lines = map { [ split(' ', $_) ] } split("\n", readstr($constraintsprj_file));
my $prjconfconstraint = list2struct($BSXML::constraints, \@lines);
if ($prjconfconstraint) {
$constraints = $constraints ? mergeconstraints($prjconfconstraint, $constraints) : $prjconfconstraint;
}
}
die("No parseable workerinfo\n") unless keys %$workerinfo;
die("No parseable constraints\n") unless keys %$constraints;
my $o = oracle($workerinfo, $constraints);
exit 0 if defined($o) && $o > 0;
exit 1;
} else {
last;
}
}
BSUtil::set_fdatasync_before_rename() unless $BSConfig::disable_data_sync || $BSConfig::disable_data_sync;
my $bsdir = $BSConfig::bsdir || "/srv/obs";
BSUtil::mkdir_p_chown($bsdir, $BSConfig::bsuser, $BSConfig::bsgroup) || die("unable to create $bsdir\n");
BSUtil::drop_privs_to($BSConfig::bsuser, $BSConfig::bsgroup);
my $port = 5252; #'RR'
$port = $1 if $BSConfig::reposerver =~ /:(\d+)$/;
# strip helpers from cando
my %cando; # = %BSCando::cando;
for my $hostarch (keys %BSCando::cando) {
$cando{$hostarch} = [];
for (@{$BSCando::cando{$hostarch} || []}) {
# do a deep copy, we need unmodified BSCando::cando also
my $targetarch = $_;
$targetarch =~ s/:.*//;
push ( @{$cando{$hostarch}}, $targetarch );
}
}
# 4h build will add .5 to the load
# 4h idle will half the load
my $decay = log(.5)/(4*3600);
my $rundir = $BSConfig::rundir || "$BSConfig::bsdir/run";
my $workersdir = "$BSConfig::bsdir/workers";
my $jobsdir = "$BSConfig::bsdir/jobs";
my $eventdir = "$BSConfig::bsdir/events";
my $reporoot = "$BSConfig::bsdir/build";
sub getcodemd5 {
my ($dir, $cache) = @_;
my $md5 = '';
my %new;
my $doclean;
my @files = grep {!/^\./} ls($dir);
push @files, map {"Build/$_"} grep {!/^\./} ls("$dir/Build");
push @files, map {"emulator/$_"} grep {!/^\./} ls("$dir/emulator");
$cache ||= {};
for my $file (sort @files) {
next unless -f "$dir/$file";
my @s = stat _;
my $id = "$s[9]/$s[7]/$s[1]";
$new{$id} = 1;
if ($cache->{$id}) {
$md5 .= "$cache->{$id} $file\n";
next;
}
$cache->{$id} = Digest::MD5::md5_hex(readstr("$dir/$file"));
$md5 .= "$cache->{$id} $file\n";
$doclean = 1;
}
if ($doclean) {
for (keys %$cache) {
delete $cache->{$_} unless $new{$_};
}
}
return Digest::MD5::md5_hex($md5);
}
my $workerdircache = {};
my $builddircache = {};
my $workercode;
my $buildcode;
my $lastcodechecktime;
my %badhost;
my %newestsrcchange;
my %infocache;
my %constraintscache;
my %lastbuild; # last time a job was build in that prpa
my %masterdispatched; # we masterdispatched those, prpa => [ starttime, ... ]
sub printlog {
my ($msg) = @_;
$msg =~ s/\n$//s;
my @ltim = localtime(time);
my $msgtm = sprintf "%04d-%02d-%02d %02d:%02d:%02d:", $ltim[5] + 1900, $ltim[4] + 1, @ltim[3,2,1,0];
print "$msgtm $msg\n";
}
sub checkbadhost {
my (@attempts) = @_;
my %hosts;
for my $attempt (@attempts) {
my $host = $attempt;
$host =~ s/:\d+$//;
$hosts{$host} = 1;
}
my $nhosts = keys %hosts;
$nhosts = 1 unless $nhosts;
return (@attempts > 5 + 20 / $nhosts) ? 1 : 0;
}
sub assignjob {
my ($job, $idlename, $arch) = @_;
local *F;
printlog("assignjob $arch/$job -> $idlename");
my $jobstatus = {
'code' => 'dispatching',
};
if (!BSUtil::lockcreatexml(\*F, "$jobsdir/$arch/.dispatch.$$", "$jobsdir/$arch/$job:status", $jobstatus, $BSXML::jobstatus)) {
printlog("job lock failed!");
return 'badjob';
}
# got the lock, re-check if job is still there
if (! -e "$jobsdir/$arch/$job") {
unlink("$jobsdir/$arch/$job:status");
close F;
printlog("job disappered!");
return 'badjob';
}
# prepare job data
my $infoxml = readstr("$jobsdir/$arch/$job");
my $jobid = Digest::MD5::md5_hex($infoxml);
my $info = XMLin($BSXML::buildinfo, $infoxml);
my $now = time();
if (!$lastcodechecktime || $now - $lastcodechecktime > 20 || $now - $lastcodechecktime < 0) {
$workercode = getcodemd5('worker', $workerdircache);
$buildcode = getcodemd5('build', $builddircache);
$lastcodechecktime = $now;
}
if ($testdir) {
mkdir("$testdir/$arch/$idlename");
touch("$testdir/$arch/$idlename/$job");
return undef;
}
# get the worker data
my $worker = readxml("$workersdir/idle/$idlename", $BSXML::worker, 1);
if (!$worker) {
unlink("$jobsdir/$arch/$job:status");
close F;
printlog("worker is gone!");
return undef;
}
my @args = ("port=$port", "workercode=$workercode", "buildcode=$buildcode");
my $attempt = 0;
if ($badhost{"$info->{'arch'}/$job"}) {
my $id = "$info->{'arch'}/$job";
my @attempts = grep {s/^\Q$id\E\///} keys %badhost;
$attempt = scalar(@attempts) + 1;
my $msg = "gave up after $attempt failed build attempts...";
push @args, "nobadhost=$msg" if checkbadhost(@attempts);
}
eval {
BSRPC::rpc({
'uri' => "http://$worker->{'ip'}:$worker->{'port'}/build",
'timeout' => 10 + int(length($infoxml) / 100000),
'request' => "PUT",
'headers' => [ "Content-Type: text/xml" ],
'data' => $infoxml,
}, undef, @args);
};
if ($@) {
my $err = $@;
printlog("rpc error: $@");
unlink("$jobsdir/$arch/$job:status");
close F;
if ($err =~ /cannot build anything/) {
return undef;
}
if ($err =~ /cannot build this repository/) {
$badhost{"$info->{'project'}/:repo:$info->{'repository'}/$info->{'arch'}/$idlename"} = time();
return 'badhost';
}
if ($err =~ /cannot build this package/) {
$badhost{"$info->{'project'}/$info->{'package'}/$info->{'arch'}/$idlename"} = time();
return 'badhost';
}
if ($err =~ /bad job/) {
return 'badjob';
}
unlink("$workersdir/idle/$idlename"); # broken client or rebooting
return undef;
}
unlink("$workersdir/idle/$idlename"); # no longer idle
$jobstatus->{'code'} = 'building';
$jobstatus->{'uri'} = "http://$worker->{'ip'}:$worker->{'port'}";
$jobstatus->{'workerid'} = $worker->{'workerid'} if defined $worker->{'workerid'};
$jobstatus->{'starttime'} = time();
$jobstatus->{'hostarch'} = $worker->{'hostarch'};
$jobstatus->{'jobid'} = $jobid;
$jobstatus->{'attempt'} = $attempt if $attempt;
# put worker into building list
$worker->{'job'} = $job;
$worker->{'jobid'} = $jobid;
$worker->{'arch'} = $arch;
if ($info->{'masterdispatched'}) {
$worker->{'reposerver'} = $info->{'reposerver'};
push @{$masterdispatched{"$info->{'project'}/$info->{'repository'}/$info->{'arch'}"}}, $jobstatus->{'starttime'};
}
mkdir_p("$workersdir/building");
writexml("$workersdir/building/.$idlename", "$workersdir/building/$idlename", $worker, $BSXML::worker);
if ($info->{'masterdispatched'}) {
# we did out job. delete job
unlink("$jobsdir/$arch/$job");
unlink("$jobsdir/$arch/$job:status");
close F;
return 'assigned';
}
# write new status and release lock
writexml("$jobsdir/$arch/.$job:status", "$jobsdir/$arch/$job:status", $jobstatus, $BSXML::jobstatus);
close F;
return 'assigned';
}
sub sendeventtoserver {
my ($server, $ev) = @_;
my @args;
for ('type', 'project', 'package', 'repository', 'arch', 'job', 'worker') {
push @args, "$_=$ev->{$_}" if defined $ev->{$_};
}
my $param = {
'uri' => "$server/event",
'request' => 'POST',
'timeout' => 10,
};
BSRPC::rpc($param, undef, @args);
}
sub staleness {
my ($prpa, $now, $ic, $jobs) = @_;
my $projid = (split('/', $prpa))[0];
my $lb = $lastbuild{$prpa};
return 0 unless $lb;
$lb = $now if $lb > $now;
my $newestsrcchange = $newestsrcchange{$projid};
if (!defined $newestsrcchange) {
$newestsrcchange = 0;
for (@$jobs) {
my $job = $ic->{$_};
$newestsrcchange = $job->{'revtime'} if $job && $job->{'revtime'} && $job->{'revtime'} > $newestsrcchange;
}
$newestsrcchange ||= $lb;
$newestsrcchange{$projid} = $newestsrcchange;
}
my $ret = ($lb - $newestsrcchange) / (($now - $lb) * 40 + 5000000);
$ret = 0 if $ret < 0;
#printlog("staleness $prpa: $ret");
return $ret;
}
sub overwrite {
my ($dst, $src) = @_;
for my $k (sort keys %$src) {
next if $k eq "conditions";
my $d = $src->{$k};
if (!exists($dst->{$k}) || !ref($d) || ref($d) ne 'HASH') {
$dst->{$k} = $d;
} else {
overwrite($dst->{$k}, $d);
}
}
}
sub overwriteconstraints {
my ($info, $constraints) = @_;
# use condition specific constraints to merge it properly
for my $o (@{$constraints->{'overwrite'}||[]}) {
next unless $o && $o->{'conditions'};
if ($o->{'conditions'}->{'arch'}) {
next unless grep {$_ eq $info->{'arch'}} @{$o->{'conditions'}->{'arch'}};
}
if ($o->{'conditions'}->{'package'}) {
my $packagename = $info->{'package'};
my $shortpackagename = $info->{'package'};
$shortpackagename =~ s/\..*//;
next unless grep {$_ eq $packagename or $_ eq $shortpackagename} @{$o->{'conditions'}->{'package'}};
}
# conditions are matching, overwrite...
$constraints = Storable::dclone($constraints);
overwrite($constraints, $o);
}
return $constraints;
}
sub getconstraints {
my ($info, $constraintsmd5) = @_;
my $param = {
'uri' => "$BSConfig::srcserver/source/$info->{'project'}/$info->{'package'}/_constraints",
'timeout' => 300,
};
my $constraintsxml;
eval {
$constraintsxml = BSRPC::rpc($param, undef, "expand=1", "rev=$info->{'srcmd5'}");
die("huh? constaints md5 does not match\n") unless Digest::MD5::md5_hex($constraintsxml) eq $constraintsmd5;
};
if ($@) {
warn($@);
return [ time() + 600 ]; # better luck next time
}
return undef unless $constraintsxml;
return BSUtil::fromxml($constraintsxml, $BSXML::constraints, 1);
}
# last one wins
sub mergeconstraints {
my ($con, @xmlcons) = @_;
$con = Storable::dclone($con);
# merge constraints
for my $con2 (@xmlcons) {
if ($con2->{'hostlabel'}) {
$con->{'hostlabel'} = [ @{$con->{'hostlabel'} || []}, @{$con2->{'hostlabel'}} ];
}
if ($con2->{'sandbox'}) {
$con->{'sandbox'} = $con2->{'sandbox'};
}
if ($con2->{'linux'}) {
$con->{'linux'}->{'flavor'} = $con2->{'linux'}->{'flavor'} if $con2->{'linux'}->{'flavor'};
for ('min', 'max') {
$con->{'linux'}->{'version'}->{$_} = $con2->{'linux'}->{'version'}->{$_} if $con2->{'linux'}->{'version'} && $con2->{'linux'}->{'version'}->{$_};
}
}
if ($con2->{'hardware'}) {
for my $el (qw{processors disk memory physicalmemory}) {
next unless defined $con2->{'hardware'}->{$el};
$con->{'hardware'}->{$el} = ref($con2->{'hardware'}->{$el}) ? Storable::dclone($con2->{'hardware'}->{$el}) : $con2->{'hardware'}->{$el};
}
if ($con2->{'hardware'}->{'cpu'} && $con2->{'hardware'}->{'cpu'}->{'flag'}) {
my %oldflags = map {$_ => 1} @{$con->{'hardware'}->{'cpu'}->{'flag'} || []};
for (@{$con2->{'hardware'}->{'cpu'}->{'flag'}}) {
push @{$con->{'hardware'}->{'cpu'}->{'flag'}}, $_ unless $oldflags{$_};
}
}
}
}
return $con;
}
# constructs a data object from a list and a XML::Structured dtd
sub list2struct {
my ($dtd, $list, $job) = @_;
my $top = {};
for my $l (@{$list || []}) {
my @l = @$l;
next unless @l;
eval {
my @loc = split(':', shift @l);
my @how = @$dtd;
my $out = $top;
while (@loc) {
my $am = shift @how;
my $e = shift @loc;
my $addit;
my $delit;
$addit = 1 if $e =~ s/\+$//;
$delit = 1 if !$addit && $e =~ s/=$//;
my %known = map {ref($_) ? (!@$_ ? () : (ref($_->[0]) ? $_->[0]->[0] : $_->[0] => $_)) : ($_=> $_)} @how;
my $ke = $known{$e};
die("unknown element: $e\n") unless $ke;
delete $out->{$e} if $delit;
if ($delit && !@loc && !@l) {
@how = ();
last;
}
if (!ref($ke) || (@$ke == 1 && !ref($ke->[0]))) {
die("element '$e' has subelements\n") if @loc;
die("element '$e' contains attributes\n") if @l && $l[0] =~ /=/;
delete $out->{$e} unless $addit;
if (!ref($ke)) {
die("element '$e' must be singleton\n") if exists $out->{$e};
$out->{$e} = join(' ', @l);
} else {
push @{$out->{$e}}, @l;
}
@how = ();
} else {
my $nout = {};
if (@$ke == 1) {
$nout = pop @{$out->{$e}} if exists $out->{$e} && !$addit;
push @{$out->{$e}}, $nout;
@how = @{$ke->[0]};
} else {
$nout = delete $out->{$e} if exists $out->{$e} && !$addit;
die("element '$e' must be singleton\n") if exists $out->{$e};
$out->{$e} = $nout;
@how = @$ke;
}
$out = $nout;
}
}
if (@how) {
my $am = shift @how;
my %known = map {ref($_) ? (!@$_ ? () : (ref($_->[0]) ? $_->[0]->[0] : $_->[0] => $_)) : ($_=> $_)} @how;
# clean old attribs
for (@how) {
last if ref($_) || $_ eq '_content';
delete $out->{$_};
}
while (@l && $l[0] =~ /^(.*?)=(.*)$/) {
my ($a, $av) = ($1, $2);
die("element '$am' contains unknown attribute '$a'\n") unless $known{$a};
if (ref($known{$a})) {
die("attribute '$a' in '$am' must be element\n") if @{$known{$a}} > 1 || ref($known{$a}->[0]);
push @{$out->{$a}}, $av;
} else {
die("attribute '$a' in '$am' must be singleton\n") if exists $out->{$a};
$out->{$a} = $av;
}
shift @l;
}
if (@l) {
die("element '$am' contains content\n") unless $known{'_content'};
$out->{'_content'} = join(' ', @l);
}
}
};
warn("list2struct: $job: @$l: $@") if $@;
}
return $top;
}
# normalizes an xml size element to mega bytes
sub getmbsize {
my ($se) = @_;
my $size = $se->{'size'}->{'_content'};
my $unit = $se->{'size'}->{'unit'} || 'B';
$size /= (1024*1024) if $unit eq 'B';
$size /= 1024 if $unit eq 'K';
# already MegaBytes
$size *= 1024 if $unit eq 'G';
$size *= 1024 * 1024 if $unit eq 'T';
$size *= 1024 * 1024 * 1024 if $unit eq 'P';
return $size;
}
sub oracle {
my ($worker, $constraints) = @_;
for my $l (@{$constraints->{'hostlabel'} || []}) {
if ($l->{'exclude'} && $l->{'exclude'} eq 'true') {
return 0 if grep {$_ eq $l->{'_content'}} @{$worker->{'hostlabel'} || []};
} else {
return 0 unless grep {$_ eq $l->{'_content'}} @{$worker->{'hostlabel'} || []};
}
}
if ($constraints->{'sandbox'} && $constraints->{'sandbox'}->{'_content'}) {
if ($constraints->{'sandbox'}->{'exclude'} && $constraints->{'sandbox'}->{'exclude'} eq 'true') {
return 0 if $constraints->{'sandbox'}->{'_content'} eq ($worker->{'sandbox'} || '');
} else {
if ($constraints->{'sandbox'}->{'_content'} eq 'secure') {
return 0 unless $secure_sandboxes{$worker->{'sandbox'} || ''};
} else {
return 0 unless $constraints->{'sandbox'}->{'_content'} eq ($worker->{'sandbox'} || '');
}
}
}
if ($constraints->{'linux'}) {
return 0 unless $worker->{'linux'};
return 0 if $constraints->{'linux'}->{'flavor'} && $constraints->{'linux'}->{'flavor'} ne ($worker->{'linux'}->{'flavor'} || '');
if ($constraints->{'linux'}->{'version'}) {
return 0 unless defined $worker->{'linux'}->{'version'};
return 0 if $constraints->{'linux'}->{'version'}->{'min'} && Build::Rpm::verscmp($constraints->{'linux'}->{'version'}->{'min'}, $worker->{'linux'}->{'version'}) > 0;
return 0 if $constraints->{'linux'}->{'version'}->{'max'} && Build::Rpm::verscmp($constraints->{'linux'}->{'version'}->{'max'}, $worker->{'linux'}->{'version'}) < 0;
}
}
if ($constraints->{'hardware'}) {
return 0 unless $worker->{'hardware'};
return 0 if $constraints->{'hardware'}->{'processors'} && $constraints->{'hardware'}->{'processors'} > ($worker->{'hardware'}->{'processors'} || 0);
return 0 if $constraints->{'hardware'}->{'disk'} && getmbsize($constraints->{'hardware'}->{'disk'}) > ($worker->{'hardware'}->{'disk'} || 0);
my $memory = ($worker->{'hardware'}->{'memory'} || 0);
my $swap = ($worker->{'hardware'}->{'swap'} || 0);
return 0 if $constraints->{'hardware'}->{'memory'} && getmbsize($constraints->{'hardware'}->{'memory'}) > ( $memory + $swap );
return 0 if $constraints->{'hardware'}->{'physicalmemory'} && getmbsize($constraints->{'hardware'}->{'physicalmemory'}) > $memory;
if ($constraints->{'hardware'}->{'cpu'}) {
return 0 unless $worker->{'hardware'}->{'cpu'};
my %workerflags = map {$_ => 1} @{$worker->{'hardware'}->{'cpu'}->{'flag'} || []};
return 0 unless grep {$workerflags{$_}} @{$constraints->{'hardware'}->{'cpu'}->{'flag'} || []};
}
}
return 1;
}
my %syncedjobs;
my %lastmastersync;
my $lastmdloadsync;
0 if $BSConfig::partition; # skip perl warning
#
# XXX: should not be here! Use src server instead!
sub projid2reposerver {
my ($projid) = @_;
return $BSConfig::reposerver unless $BSConfig::partitionservers;
my @p = @{$BSConfig::partitioning || []};
my $par;
while (@p) {
if ($projid =~ /^$p[0]/) {
$par = $p[1];
last;
}
splice(@p, 0, 2);
}
$par = $BSConfig::partition unless defined $par;
die("cannot determine partition for $projid\n") unless defined $par;
die("partition '$par' from partitioning does not exist\n") unless $BSConfig::partitionservers->{$par};
return $BSConfig::partitionservers->{$par};
}
sub dispatchslave {
my $synced = 0;
my @archs = grep {!/^\./} sort(ls($jobsdir));
my %projid2repocache;
my %building;
my %building_time;
for my $arch (@archs) {
next unless -d "$jobsdir/$arch";
my $now = time();
my $added = 0;
my $deleted = 0;
# if we know how to do project partitioning, we get the job list from
# the master dispatcher and reduce it to the jobs in our partition
if ($BSConfig::partitioning && ($lastmastersync{$arch} || 0) + 600 < $now) {
my $res;
eval {
$res = BSRPC::rpc({
'uri' => "$BSConfig::masterdispatcher/jobs/$arch",
'timeout' => 60,
}, $BSXML::dir);
};
if ($@) {
warn($@);
next;
}
$lastmastersync{$arch} = $now;
$syncedjobs{$arch} = {};
$res ||= {};
for my $job (sort(map {$_->{'name'}} @{$res->{'entry'} || []})) {
my $jn = $job;
$jn =~ s/-[0-9a-f]{32}$//s;
my ($projid, $repoid, $packid) = split('::', $jn);
next unless defined $packid;
my $reposerver = $projid2repocache{$projid};
$reposerver = $projid2repocache{$projid} = projid2reposerver($projid) unless $reposerver;
next if $reposerver ne $BSConfig::reposerver;
$syncedjobs{$arch}->{$job} = 1;
}
}
my @jobs = sort(ls($jobsdir));
my @b = grep {!/^\./} ls("$jobsdir/$arch");
my %locked = map {$_ => 1} grep {/:status$/} @b;
my %notlocked = map {$_ => 1} grep {!$locked{$_}} @b;
my %seen;
for my $job (grep {!/:(?:dir|status|new)$/} @b) {
next if $locked{"$job:status"};
$seen{$job} = 1;
next if $syncedjobs{$arch}->{$job};
my $infoxml = readstr("$jobsdir/$arch/$job", 1);
next unless $infoxml;
my $info = BSUtil::fromxml($infoxml, $BSXML::buildinfo, 1);
next unless $info && $info->{'file'} && $info->{'file'} ne '_aggregate';
$info->{'masterdispatched'} = Digest::MD5::md5_hex($infoxml);
$infoxml = XMLout($BSXML::buildinfo, $info);
undef $info;
eval {
BSRPC::rpc({
'uri' => "$BSConfig::masterdispatcher/jobs/$arch/$job",
'request' => 'PUT',
'timeout' => 10 + int(length($infoxml) / 100000),
'headers' => [ "Content-Type: text/xml" ],
'data' => $infoxml,
}, undef);
};
if ($@) {
if ($@ =~ /already exists/) {
$syncedjobs{$arch}->{$job} = 1;
}
warn($@);
next;
}
$added++;
$synced++;
$syncedjobs{$arch}->{$job} = 1;
}
for my $job (sort(keys %{$syncedjobs{$arch} || {}})) {
next if $seen{$job};
$synced++;
eval {
BSRPC::rpc({
'uri' => "$BSConfig::masterdispatcher/jobs/$arch/$job",
'request' => 'DELETE',
'timeout' => 60,
}, undef);
};
if ($@) {
warn($@);
next;
}
$deleted++;
$synced++;
delete $syncedjobs{$arch}->{$job};
}
printlog("$arch: added $added, deleted $deleted") if $added || $deleted;
# adapt the load
my $load = {};
for my $job (keys %locked) {
my $jn = $job;
$jn =~ s/:status$//;
next unless $notlocked{$jn};
$jn =~ s/-[0-9a-f]{32}$//s;
my ($projid, $repoid, $packid) = split('::', $jn);
if (!defined($packid)) {
my $info = readxml("$jobsdir/$arch/$job", $BSXML::buildinfo, 1);
next unless $info && $info->{'file'} && $info->{'file'} ne '_aggregate';
($projid, $repoid, $packid) = ($info->{'project'}, $info->{'repository'}, $info->{'package'});
next unless defined $packid;
}
my $prpa = "$projid/$repoid/$arch";
$building{$prpa} ||= 0;
$building{$prpa} += 1;
$building_time{$prpa} = $now;
}
}
# upload the mdload from time to time
my $now = time();
if (!$lastmdloadsync || $lastmdloadsync + 120 < $now) {
printlog("uploading load to master dispatcher");
$lastmdloadsync = $now;
my $load = BSUtil::retrieve("$jobsdir/load", 1) || {};
for my $prpa (keys %$load) {
$load->{$prpa}->[2] = $building_time{$prpa} || $now;
$load->{$prpa}->[3] = $building{$prpa} || 0;
}
eval {
BSRPC::rpc({
'uri' => "$BSConfig::masterdispatcher/jobs/_mdload",
'request' => 'POST',
'data' => BSUtil::tostorable($load),
'timeout' => 60,
}, undef);
};
if ($@) {
warn($@);
}
}
return $synced;
}
sub forwardevents {
for my $evname (ls("$eventdir/repository")) {
next if $evname =~ /^\./;
my $ev = readxml("$eventdir/repository/$evname", $BSXML::event, 1);
next unless $ev;
eval {
sendeventtoserver($BSConfig::srcserver, $ev);
};
if ($@) {
warn($@);
} else {
unlink("$eventdir/repository/$evname");
}
}
for my $evname (ls("$eventdir/dispatch")) {
next if $evname =~ /^\./;
my $ev = readxml("$eventdir/dispatch/$evname", $BSXML::event, 1);
next unless $ev;
next if $ev->{'due'} && time() < $ev->{'due'};
delete $ev->{'due'};
eval {
if ($ev->{'type'} eq 'built') {
# resend to rep server
} elsif ($ev->{'type'} eq 'badhost') {
printlog("badhost event: $ev->{'project'}/$ev->{'package'}/$ev->{'arch'}/$ev->{'worker'}");
if ($BSConfig::masterdispatcher && $BSConfig::masterdispatcher ne $BSConfig::reposerver) {
sendeventtoserver($BSConfig::masterdispatcher, $ev) unless $ev->{'package'} eq '_deltas'; # XXX
} else {
my $now = time();
$badhost{"$ev->{'project'}/$ev->{'package'}/$ev->{'arch'}/$ev->{'worker'}"} = $now;
$badhost{"$ev->{'arch'}/$ev->{'job'}"} = $now;
$badhost{"$ev->{'arch'}/$ev->{'job'}/$ev->{'worker'}"} = $now;
}
} else {
sendeventtoserver($BSConfig::srcserver, $ev);
}
};
if ($@) {
warn($@);
} else {
unlink("$eventdir/dispatch/$evname");
}
}
}
sub filechecks {
if (-e "$rundir/bs_dispatch.exit") {
my $state = {
'infocache' => \%infocache,
'badhost' => \%badhost,
'newestsrcchange' => \%newestsrcchange,
};
BSUtil::store("$rundir/bs_dispatch.state.new", "$rundir/bs_dispatch.state", $state);
close(RUNLOCK);
unlink("$rundir/bs_dispatch.exit");
printlog("exiting...");
exit(0);
}
if (-e "$rundir/bs_dispatch.restart") {
my $state = {
'infocache' => \%infocache,
'badhost' => \%badhost,
'newestsrcchange' => \%newestsrcchange,
};
BSUtil::store("$rundir/bs_dispatch.state.new", "$rundir/bs_dispatch.state", $state);
close(RUNLOCK);
unlink("$rundir/bs_dispatch.restart");
printlog("restarting...");
exec($0);
die("$0: $!\n");
}
if (-e "$rundir/bs_dispatch.dumpstate") {
my $state = {
'infocache' => \%infocache,
'badhost' => \%badhost,
'newestsrcchange' => \%newestsrcchange,
};
BSUtil::store("$rundir/bs_dispatch.state.new", "$rundir/bs_dispatch.state", $state);
unlink("$rundir/bs_dispatch.dumpstate");
printlog("dumped state to $rundir/bs_dispatch.state ...");
}
if (-e "$rundir/bs_dispatch.dropbadhosts") {
unlink("$rundir/bs_dispatch.dropbadhosts");
printlog("removing all badhost entries...");
%badhost = ();
}
}
$| = 1;
$SIG{'PIPE'} = 'IGNORE';
BSUtil::restartexit($ARGV[0], 'dispatcher', "$rundir/bs_dispatch");
printlog("starting build service dispatcher");
# get lock
mkdir_p($rundir);
open(RUNLOCK, '>>', "$rundir/bs_dispatch.lock") || die("$rundir/bs_dispatch.lock: $!\n");
flock(RUNLOCK, LOCK_EX | LOCK_NB) || die("dispatcher is already running!\n");
utime undef, undef, "$rundir/bs_dispatch.lock";
my $dispatchprios;
my $dispatchprios_project;
my $dispatchprios_id = '';
if (-s "$rundir/bs_dispatch.state") {
printlog("reading old state...");
my $state = BSUtil::retrieve("$rundir/bs_dispatch.state", 2);
unlink("$rundir/bs_dispatch.state");
%infocache = %{$state->{'infocache'}} if $state && $state->{'infocache'};
%badhost = %{$state->{'badhost'}} if $state && $state->{'badhost'};
%newestsrcchange = %{$state->{'newestsrcchange'}} if $state && $state->{'newestsrcchange'};
}
if ($BSConfig::masterdispatcher && $BSConfig::masterdispatcher ne $BSConfig::reposerver) {
printlog("running is dispatch slave mode");
}
if ($testmode) {
forwardevents();
print "Test mode, dispatcher is exiting..";
exit(0);
}
while (1) {
if (-s "$jobsdir/finished") {
local *F;
if (open(F, '<', "$jobsdir/finished")) {
unlink("$jobsdir/finished");
my $load = BSUtil::retrieve("$jobsdir/load", 1) || {};
while (<F>) {
next unless /\n$/s;
my @s = split('\|', $_);
s/%([a-fA-F0-9]{2})/chr(hex($1))/ge for @s;
my ($projid, $repoid, $arch, $packid, $start, $end, $result, $workerid, $hostarch) = @s;
next unless $start =~ /^[0-9]+$/s;
next unless $end=~ /^[0-9]+$/s;
next if $end <= $start;
my $prpa = "$projid/$repoid/$arch";
$load->{$prpa} = [0, 0] unless $load->{$prpa};
my $l = $load->{$prpa};
if ($l->[0] < $end) {
my $d = $end - $l->[0];
$l->[1] *= exp($decay * $d);
$l->[1] += (1 - exp($decay * ($end - $start)));
$l->[0] = $end;
} else {
my $d = $l->[0] - $end;
$l->[1] += (1 - exp($decay * ($end - $start))) * exp($decay * $d);
}
}
close F;
my $prunetime = time() - 50 * 86400;
for (keys %$load) {
delete $load->{$_} if $load->{$_}->[0] < $prunetime;
}
BSUtil::store("$jobsdir/load.new", "$jobsdir/load", $load);
}
}
if ($BSConfig::masterdispatcher && $BSConfig::masterdispatcher ne $BSConfig::reposerver) {
my $synced = dispatchslave();
forwardevents();
sleep(1) unless $synced;
filechecks();
next;
}
my @dispatchprios_s = stat("$jobsdir/dispatchprios");
if (!@dispatchprios_s) {
$dispatchprios = undef;
$dispatchprios_project = undef;
$dispatchprios_id = '';
} elsif ($dispatchprios_id ne "$dispatchprios_s[9]/$dispatchprios_s[7]/$dispatchprios_s[1]") {
$dispatchprios_id = "$dispatchprios_s[9]/$dispatchprios_s[7]/$dispatchprios_s[1]";
$dispatchprios = BSUtil::retrieve("$jobsdir/dispatchprios", 1);
$dispatchprios_project = undef;
if ($dispatchprios) {
# create dispatchprios_project hash
$dispatchprios_project = {};
for (@{$dispatchprios->{'prio'} || []}) {
$dispatchprios_project->{$_->{'project'}} ||= [] if defined $_->{'project'};
}
my @p = keys %$dispatchprios_project;
push @p, ':all:';
for (@{$dispatchprios->{'prio'} || []}) {
if (defined($_->{'project'})) {
push @{$dispatchprios_project->{$_->{'project'}}}, $_;
} else {
for my $p (@p) {
push @{$dispatchprios_project->{$p}}, $_;
}
}
}
}
}
my $load = BSUtil::retrieve("$jobsdir/load", 1) || {};
my $now = time();
for my $prpa (sort keys %$load) {
my $l = $load->{$prpa};
my $ll = $l->[1];
$ll *= exp($decay * ($now - $l->[0])) if $now > $l->[0];
$load->{$prpa} = $ll;
$lastbuild{$prpa} = $l->[0];
}
# adapt load for masterdispatched prpas
my $mdload = BSUtil::retrieve("$jobsdir/mdload", 1) || {};
for my $prpa (sort keys %$mdload) {
my $l = $mdload->{$prpa};
my $ll = $l->[1];
$ll *= exp($decay * ($now - $l->[0])) if $now > $l->[0];
$load->{$prpa} = $ll;
$lastbuild{$prpa} = $l->[0];
if ($l->[3]) {
$load->{$prpa} += $l->[3];
$lastbuild{$prpa} = $l->[2];
}
}
if (%masterdispatched) {
for my $prpa (sort keys %masterdispatched) {
my $md = $masterdispatched{$prpa};
if ($mdload->{$prpa}) {
shift(@$md) while @$md && $md->[0] < $mdload->{$prpa}->[2];
}
if (@$md) {
$load->{$prpa} += @$md;
$lastbuild{$prpa} = $now;
} else {
delete $masterdispatched{$prpa};
}
}