2 # -*- mode: perl; perl-indent-level: 2; indent-tabs-mode: nil; -*-
6 crunch-job: Execute job steps, save snapshots as requested, collate output.
10 Obtain job details from Arvados, run tasks on compute nodes (typically
11 invoked by scheduler on controller):
13 crunch-job --job x-y-z
15 Obtain job details from command line, run tasks on local machine
16 (typically invoked by application or developer on VM):
18 crunch-job --job '{"script_version":"/path/to/tree","script":"scriptname",...}'
26 If the job is already locked, steal the lock and run it anyway.
30 Path to .git directory where the specified commit is found.
34 Arvados API authorization token to use during the course of the job.
38 Do not clear per-job/task temporary directories during initial job
39 setup. This can speed up development and debugging when running jobs
44 =head1 RUNNING JOBS LOCALLY
46 crunch-job's log messages appear on stderr along with the job tasks'
47 stderr streams. The log is saved in Keep at each checkpoint and when
50 If the job succeeds, the job's output locator is printed on stdout.
52 While the job is running, the following signals are accepted:
56 =item control-C, SIGINT, SIGQUIT
58 Save a checkpoint, terminate any job tasks that are running, and stop.
62 Save a checkpoint and continue.
66 Refresh node allocation (i.e., check whether any nodes have been added
67 or unallocated) and attributes of the Job record that should affect
68 behavior (e.g., cancel job if cancelled_at becomes non-nil).
76 use POSIX ':sys_wait_h';
77 use Fcntl qw(F_GETFL F_SETFL O_NONBLOCK);
79 use Digest::MD5 qw(md5_hex);
86 $ENV{"TMPDIR"} ||= "/tmp";
87 unless (defined $ENV{"CRUNCH_TMP"}) {
88 $ENV{"CRUNCH_TMP"} = $ENV{"TMPDIR"} . "/crunch-job";
89 if ($ENV{"USER"} ne "crunch" && $< != 0) {
90 # use a tmp dir unique for my uid
91 $ENV{"CRUNCH_TMP"} .= "-$<";
94 $ENV{"JOB_WORK"} = $ENV{"CRUNCH_TMP"} . "/work";
95 $ENV{"CRUNCH_INSTALL"} = "$ENV{CRUNCH_TMP}/opt";
96 $ENV{"CRUNCH_WORK"} = $ENV{"JOB_WORK"}; # deprecated
97 mkdir ($ENV{"JOB_WORK"});
101 if (defined $ENV{"ARV_CLI"}) {
102 $arv_cli = $ENV{"ARV_CLI"};
114 GetOptions('force-unlock' => \$force_unlock,
115 'git-dir=s' => \$git_dir,
116 'job=s' => \$jobspec,
117 'job-api-token=s' => \$job_api_token,
118 'no-clear-tmp' => \$no_clear_tmp,
119 'resume-stash=s' => \$resume_stash,
122 if (defined $job_api_token) {
123 $ENV{ARVADOS_API_TOKEN} = $job_api_token;
126 my $have_slurm = exists $ENV{SLURM_JOBID} && exists $ENV{SLURM_NODELIST};
127 my $job_has_uuid = $jobspec =~ /^[-a-z\d]+$/;
128 my $local_job = !$job_has_uuid;
133 $main::ENV{CRUNCH_DEBUG} = 1;
137 $main::ENV{CRUNCH_DEBUG} = 0;
142 my $arv = Arvados->new('apiVersion' => 'v1');
145 my $User = $arv->{'users'}->{'current'}->execute;
153 $Job = $arv->{'jobs'}->{'get'}->execute('uuid' => $jobspec);
154 if (!$force_unlock) {
155 if ($Job->{'is_locked_by_uuid'}) {
156 croak("Job is locked: " . $Job->{'is_locked_by_uuid'});
158 if ($Job->{'success'} ne undef) {
159 croak("Job 'success' flag (" . $Job->{'success'} . ") is not null");
161 if ($Job->{'running'}) {
162 croak("Job 'running' flag is already set");
164 if ($Job->{'started_at'}) {
165 croak("Job 'started_at' time is already set (" . $Job->{'started_at'} . ")");
171 $Job = JSON::decode_json($jobspec);
175 map { croak ("No $_ specified") unless $Job->{$_} }
176 qw(script script_version script_parameters);
179 $Job->{'is_locked_by_uuid'} = $User->{'uuid'};
180 $Job->{'started_at'} = gmtime;
182 $Job = $arv->{'jobs'}->{'create'}->execute('job' => $Job);
186 $job_id = $Job->{'uuid'};
188 my $keep_logfile = $job_id . '.log.txt';
189 $local_logfile = File::Temp->new();
191 $Job->{'runtime_constraints'} ||= {};
192 $Job->{'runtime_constraints'}->{'max_tasks_per_node'} ||= 0;
193 my $max_ncpus = $Job->{'runtime_constraints'}->{'max_tasks_per_node'};
196 Log (undef, "check slurm allocation");
199 # Should use $ENV{SLURM_TASKS_PER_NODE} instead of sinfo? (eg. "4(x3),2,4(x2)")
203 my $localcpus = 0 + `grep -cw ^processor /proc/cpuinfo` || 1;
204 push @sinfo, "$localcpus localhost";
206 if (exists $ENV{SLURM_NODELIST})
208 push @sinfo, `sinfo -h --format='%c %N' --nodes=\Q$ENV{SLURM_NODELIST}\E`;
212 my ($ncpus, $slurm_nodelist) = split;
213 $ncpus = $max_ncpus if $max_ncpus && $ncpus > $max_ncpus;
216 while ($slurm_nodelist =~ s/^([^\[,]+?(\[.*?\])?)(,|$)//)
219 if ($nodelist =~ /\[((\d+)(-(\d+))?(,(\d+)(-(\d+))?)*)\]/)
222 foreach (split (",", $ranges))
235 push @nodelist, map {
237 $n =~ s/\[[-,\d]+\]/$_/;
244 push @nodelist, $nodelist;
247 foreach my $nodename (@nodelist)
249 Log (undef, "node $nodename - $ncpus slots");
250 my $node = { name => $nodename,
254 foreach my $cpu (1..$ncpus)
256 push @slot, { node => $node,
260 push @node, @nodelist;
265 # Ensure that we get one jobstep running on each allocated node before
266 # we start overloading nodes with concurrent steps
268 @slot = sort { $a->{cpu} <=> $b->{cpu} } @slot;
275 # Claim this job, and make sure nobody else does
276 unless ($Job->update_attributes('is_locked_by_uuid' => $User->{'uuid'}) &&
277 $Job->{'is_locked_by_uuid'} == $User->{'uuid'}) {
278 croak("Error while updating / locking job");
280 $Job->update_attributes('started_at' => scalar gmtime,
283 'tasks_summary' => { 'failed' => 0,
290 Log (undef, "start");
291 $SIG{'INT'} = sub { $main::please_freeze = 1; };
292 $SIG{'QUIT'} = sub { $main::please_freeze = 1; };
293 $SIG{'TERM'} = \&croak;
294 $SIG{'TSTP'} = sub { $main::please_freeze = 1; };
295 $SIG{'ALRM'} = sub { $main::please_info = 1; };
296 $SIG{'CONT'} = sub { $main::please_continue = 1; };
297 $SIG{'HUP'} = sub { $main::please_refresh = 1; };
299 $main::please_freeze = 0;
300 $main::please_info = 0;
301 $main::please_continue = 0;
302 $main::please_refresh = 0;
303 my $jobsteps_must_output_keys = 0; # becomes 1 when any task outputs a key
305 grep { $ENV{$1} = $2 if /^(NOCACHE.*?)=(.*)/ } split ("\n", $$Job{knobs});
306 $ENV{"CRUNCH_JOB_UUID"} = $job_id;
307 $ENV{"JOB_UUID"} = $job_id;
311 my @jobstep_todo = ();
312 my @jobstep_done = ();
313 my @jobstep_tomerge = ();
314 my $jobstep_tomerge_level = 0;
316 my $squeue_kill_checked;
317 my $output_in_keep = 0;
318 my $latest_refresh = scalar time;
322 if (defined $Job->{thawedfromkey})
324 thaw ($Job->{thawedfromkey});
328 my $first_task = $arv->{'job_tasks'}->{'create'}->execute('job_task' => {
329 'job_uuid' => $Job->{'uuid'},
334 push @jobstep, { 'level' => 0,
336 'arvados_task' => $first_task,
338 push @jobstep_todo, 0;
344 must_lock_now("$ENV{CRUNCH_TMP}/.lock", "a job is already running here.");
351 $ENV{"CRUNCH_SRC_COMMIT"} = $Job->{script_version};
353 my $skip_install = ($local_job && $Job->{script_version} =~ m{^/});
356 if (!defined $no_clear_tmp) {
357 my $clear_tmp_cmd = 'rm -rf $JOB_WORK $CRUNCH_TMP/opt $CRUNCH_TMP/src*';
358 system($clear_tmp_cmd) == 0
359 or croak ("`$clear_tmp_cmd` failed: ".($?>>8));
361 $ENV{"CRUNCH_SRC"} = $Job->{script_version};
362 for my $src_path ("$ENV{CRUNCH_SRC}/arvados/sdk/python") {
364 system("virtualenv", "$ENV{CRUNCH_TMP}/opt") == 0
365 or croak ("virtualenv $ENV{CRUNCH_TMP}/opt failed: exit ".($?>>8));
366 system ("cd $src_path && ./build.sh && \$CRUNCH_TMP/opt/bin/python setup.py install")
368 or croak ("setup.py in $src_path failed: exit ".($?>>8));
376 $build_script = <DATA>;
378 Log (undef, "Install revision ".$Job->{script_version});
379 my $nodelist = join(",", @node);
381 if (!defined $no_clear_tmp) {
382 # Clean out crunch_tmp/work, crunch_tmp/opt, crunch_tmp/src*
384 my $cleanpid = fork();
387 srun (["srun", "--nodelist=$nodelist", "-D", $ENV{'TMPDIR'}],
388 ['bash', '-c', 'if mount | grep -q $JOB_WORK/; then sudo /bin/umount $JOB_WORK/* 2>/dev/null; fi; sleep 1; rm -rf $JOB_WORK $CRUNCH_TMP/opt $CRUNCH_TMP/src*']);
393 last if $cleanpid == waitpid (-1, WNOHANG);
394 freeze_if_want_freeze ($cleanpid);
395 select (undef, undef, undef, 0.1);
397 Log (undef, "Clean-work-dir exited $?");
400 # Install requested code version
403 my @srunargs = ("srun",
404 "--nodelist=$nodelist",
405 "-D", $ENV{'TMPDIR'}, "--job-name=$job_id");
407 $ENV{"CRUNCH_SRC_COMMIT"} = $Job->{script_version};
408 $ENV{"CRUNCH_SRC"} = "$ENV{CRUNCH_TMP}/src";
412 my $treeish = $Job->{'script_version'};
414 # If we're running under crunch-dispatch, it will have pulled the
415 # appropriate source tree into its own repository, and given us that
416 # repo's path as $git_dir. If we're running a "local" job, and a
417 # script_version was specified, it's up to the user to provide the
418 # full path to a local repository in Job->{repository}.
420 # TODO: Accept URLs too, not just local paths. Use git-ls-remote and
421 # git-archive --remote where appropriate.
423 # TODO: Accept a locally-hosted Arvados repository by name or
424 # UUID. Use arvados.v1.repositories.list or .get to figure out the
425 # appropriate fetch-url.
426 my $repo = $git_dir || $ENV{'CRUNCH_DEFAULT_GIT_DIR'} || $Job->{'repository'};
428 $ENV{"CRUNCH_SRC_URL"} = $repo;
430 if (-d "$repo/.git") {
431 # We were given a working directory, but we are only interested in
433 $repo = "$repo/.git";
436 # If this looks like a subversion r#, look for it in git-svn commit messages
438 if ($treeish =~ m{^\d{1,4}$}) {
439 my $gitlog = `git --git-dir=\Q$repo\E log --pretty="format:%H" --grep="git-svn-id:.*\@"\Q$treeish\E" " master`;
441 if ($gitlog =~ /^[a-f0-9]{40}$/) {
443 Log (undef, "Using commit $commit for script_version $treeish");
447 # If that didn't work, try asking git to look it up as a tree-ish.
449 if (!defined $commit) {
450 my $found = `git --git-dir=\Q$repo\E rev-list -1 ''\Q$treeish\E`;
452 if ($found =~ /^[0-9a-f]{40}$/s) {
454 if ($commit ne $treeish) {
455 # Make sure we record the real commit id in the database,
456 # frozentokey, logs, etc. -- instead of an abbreviation or a
457 # branch name which can become ambiguous or point to a
458 # different commit in the future.
459 $ENV{"CRUNCH_SRC_COMMIT"} = $commit;
460 Log (undef, "Using commit $commit for tree-ish $treeish");
461 if ($commit ne $treeish) {
462 $Job->{'script_version'} = $commit;
464 $Job->update_attributes('script_version' => $commit) or
465 croak("Error while updating job");
471 if (defined $commit) {
472 $ENV{"CRUNCH_SRC_COMMIT"} = $commit;
473 @execargs = ("sh", "-c",
474 "mkdir -p $ENV{CRUNCH_INSTALL} && cd $ENV{CRUNCH_TMP} && perl -");
475 $git_archive = `git --git-dir=\Q$repo\E archive ''\Q$commit\E`;
478 croak ("could not figure out commit id for $treeish");
481 my $installpid = fork();
482 if ($installpid == 0)
484 srun (\@srunargs, \@execargs, {}, $build_script . $git_archive);
489 last if $installpid == waitpid (-1, WNOHANG);
490 freeze_if_want_freeze ($installpid);
491 select (undef, undef, undef, 0.1);
493 Log (undef, "Install exited $?");
498 # Grab our lock again (we might have deleted and re-created CRUNCH_TMP above)
499 must_lock_now("$ENV{CRUNCH_TMP}/.lock", "a job is already running here.");
502 # If this job requires a Docker image, install that.
503 my $docker_bin = "/usr/bin/docker.io";
504 my ($docker_locator, $docker_hash);
505 if ($docker_locator = $Job->{docker_image_locator}) {
506 $docker_hash = find_docker_hash($docker_locator);
509 croak("No Docker image hash found from locator $docker_locator");
511 my $docker_install_script = qq{
512 if ! $docker_bin images -q --no-trunc | grep -qxF \Q$docker_hash\E; then
513 arv-get \Q$docker_locator/$docker_hash.tar\E | $docker_bin load
516 my $docker_pid = fork();
517 if ($docker_pid == 0)
519 srun (["srun", "--nodelist=" . join(',', @node)],
520 ["/bin/sh", "-ec", $docker_install_script]);
525 last if $docker_pid == waitpid (-1, WNOHANG);
526 freeze_if_want_freeze ($docker_pid);
527 select (undef, undef, undef, 0.1);
531 croak("Installing Docker image from $docker_locator returned exit code $?");
535 foreach (qw (script script_version script_parameters runtime_constraints))
539 (ref($Job->{$_}) ? JSON::encode_json($Job->{$_}) : $Job->{$_}));
541 foreach (split (/\n/, $Job->{knobs}))
543 Log (undef, "knob " . $_);
548 $main::success = undef;
554 my $thisround_succeeded = 0;
555 my $thisround_failed = 0;
556 my $thisround_failed_multiple = 0;
558 @jobstep_todo = sort { $jobstep[$a]->{level} <=> $jobstep[$b]->{level}
559 or $a <=> $b } @jobstep_todo;
560 my $level = $jobstep[$jobstep_todo[0]]->{level};
561 Log (undef, "start level $level");
566 my @freeslot = (0..$#slot);
569 my $progress_is_dirty = 1;
570 my $progress_stats_updated = 0;
572 update_progress_stats();
577 for (my $todo_ptr = 0; $todo_ptr <= $#jobstep_todo; $todo_ptr ++)
579 my $id = $jobstep_todo[$todo_ptr];
580 my $Jobstep = $jobstep[$id];
581 if ($Jobstep->{level} != $level)
586 pipe $reader{$id}, "writer" or croak ($!);
587 my $flags = fcntl ($reader{$id}, F_GETFL, 0) or croak ($!);
588 fcntl ($reader{$id}, F_SETFL, $flags | O_NONBLOCK) or croak ($!);
590 my $childslot = $freeslot[0];
591 my $childnode = $slot[$childslot]->{node};
592 my $childslotname = join (".",
593 $slot[$childslot]->{node}->{name},
594 $slot[$childslot]->{cpu});
595 my $childpid = fork();
598 $SIG{'INT'} = 'DEFAULT';
599 $SIG{'QUIT'} = 'DEFAULT';
600 $SIG{'TERM'} = 'DEFAULT';
602 foreach (values (%reader))
606 fcntl ("writer", F_SETFL, 0) or croak ($!); # no close-on-exec
607 open(STDOUT,">&writer");
608 open(STDERR,">&writer");
613 delete $ENV{"GNUPGHOME"};
614 $ENV{"TASK_UUID"} = $Jobstep->{'arvados_task'}->{'uuid'};
615 $ENV{"TASK_QSEQUENCE"} = $id;
616 $ENV{"TASK_SEQUENCE"} = $level;
617 $ENV{"JOB_SCRIPT"} = $Job->{script};
618 while (my ($param, $value) = each %{$Job->{script_parameters}}) {
619 $param =~ tr/a-z/A-Z/;
620 $ENV{"JOB_PARAMETER_$param"} = $value;
622 $ENV{"TASK_SLOT_NODE"} = $slot[$childslot]->{node}->{name};
623 $ENV{"TASK_SLOT_NUMBER"} = $slot[$childslot]->{cpu};
624 $ENV{"TASK_WORK"} = $ENV{"JOB_WORK"}."/$id.$$";
625 $ENV{"TASK_KEEPMOUNT"} = $ENV{"TASK_WORK"}.".keep";
626 $ENV{"TASK_TMPDIR"} = $ENV{"TASK_WORK"}; # deprecated
627 $ENV{"CRUNCH_NODE_SLOTS"} = $slot[$childslot]->{node}->{ncpus};
628 $ENV{"PATH"} = $ENV{"CRUNCH_INSTALL"} . "/bin:" . $ENV{"PATH"};
634 "--nodelist=".$childnode->{name},
635 qw(-n1 -c1 -N1 -D), $ENV{'TMPDIR'},
636 "--job-name=$job_id.$id.$$",
638 my $build_script_to_send = "";
640 "if [ -e $ENV{TASK_WORK} ]; then rm -rf $ENV{TASK_WORK}; fi; "
641 ."mkdir -p $ENV{JOB_WORK} $ENV{CRUNCH_TMP} $ENV{TASK_WORK} $ENV{TASK_KEEPMOUNT} "
642 ."&& chmod og+wrx $ENV{TASK_WORK}"
643 ."&& cd $ENV{CRUNCH_TMP} ";
647 $build_script_to_send = $build_script;
651 $command .= "&& exec arv-mount --allow-other $ENV{TASK_KEEPMOUNT} --exec ";
654 $command .= "crunchstat -cgroup-root=/sys/fs/cgroup -cgroup-parent=docker -cgroup-cid=$ENV{TASK_WORK}/docker.cid -poll=10000 ";
655 $command .= "$docker_bin run -i -a stdin -a stdout -a stderr --cidfile=$ENV{TASK_WORK}/docker.cid ";
656 # Dynamically configure the container to use the host system as its
657 # DNS server. Get the host's global addresses from the ip command,
658 # and turn them into docker --dns options using gawk.
660 q{$(ip -o address show scope global |
661 gawk 'match($4, /^([0-9\.:]+)\//, x){print "--dns", x[1]}') };
662 $command .= "-v \Q$ENV{TASK_WORK}:/tmp/crunch-job:rw\E ";
663 $command .= "-v \Q$ENV{CRUNCH_SRC}:/tmp/crunch-src:ro\E ";
664 $command .= "-v \Q$ENV{TASK_KEEPMOUNT}:/mnt:ro\E ";
665 while (my ($env_key, $env_val) = each %ENV)
667 if ($env_key =~ /^(ARVADOS|JOB|TASK)_/) {
668 if ($env_key eq "TASK_WORK") {
669 $command .= "-e \QTASK_WORK=/tmp/crunch-job\E ";
671 elsif ($env_key eq "TASK_KEEPMOUNT") {
672 $command .= "-e \QTASK_KEEPMOUNT=/mnt\E ";
674 elsif ($env_key eq "CRUNCH_SRC") {
675 $command .= "-e \QCRUNCH_SRC=/tmp/crunch-src\E ";
678 $command .= "-e \Q$env_key=$env_val\E ";
682 $command .= "\Q$docker_hash\E ";
684 $command .= "crunchstat -cgroup-root=/sys/fs/cgroup -poll=10000 "
686 $command .= "stdbuf -o0 -e0 ";
687 $command .= "/tmp/crunch-src/crunch_scripts/" . $Job->{"script"};
688 my @execargs = ('bash', '-c', $command);
689 srun (\@srunargs, \@execargs, undef, $build_script_to_send);
693 if (!defined $childpid)
700 $proc{$childpid} = { jobstep => $id,
703 jobstepname => "$job_id.$id.$childpid",
705 croak ("assert failed: \$slot[$childslot]->{'pid'} exists") if exists $slot[$childslot]->{pid};
706 $slot[$childslot]->{pid} = $childpid;
708 Log ($id, "job_task ".$Jobstep->{'arvados_task'}->{'uuid'});
709 Log ($id, "child $childpid started on $childslotname");
710 $Jobstep->{starttime} = time;
711 $Jobstep->{node} = $childnode->{name};
712 $Jobstep->{slotindex} = $childslot;
713 delete $Jobstep->{stderr};
714 delete $Jobstep->{finishtime};
716 splice @jobstep_todo, $todo_ptr, 1;
719 $progress_is_dirty = 1;
723 (@slot > @freeslot && $todo_ptr+1 > $#jobstep_todo))
725 last THISROUND if $main::please_freeze;
726 if ($main::please_info)
728 $main::please_info = 0;
732 update_progress_stats();
739 check_refresh_wanted();
741 update_progress_stats();
742 select (undef, undef, undef, 0.1);
744 elsif (time - $progress_stats_updated >= 30)
746 update_progress_stats();
748 if (($thisround_failed_multiple >= 8 && $thisround_succeeded == 0) ||
749 ($thisround_failed_multiple >= 16 && $thisround_failed_multiple > $thisround_succeeded))
751 my $message = "Repeated failure rate too high ($thisround_failed_multiple/"
752 .($thisround_failed+$thisround_succeeded)
753 .") -- giving up on this round";
754 Log (undef, $message);
758 # move slots from freeslot to holdslot (or back to freeslot) if necessary
759 for (my $i=$#freeslot; $i>=0; $i--) {
760 if ($slot[$freeslot[$i]]->{node}->{hold_until} > scalar time) {
761 push @holdslot, (splice @freeslot, $i, 1);
764 for (my $i=$#holdslot; $i>=0; $i--) {
765 if ($slot[$holdslot[$i]]->{node}->{hold_until} <= scalar time) {
766 push @freeslot, (splice @holdslot, $i, 1);
770 # give up if no nodes are succeeding
771 if (!grep { $_->{node}->{losing_streak} == 0 &&
772 $_->{node}->{hold_count} < 4 } @slot) {
773 my $message = "Every node has failed -- giving up on this round";
774 Log (undef, $message);
781 push @freeslot, splice @holdslot;
782 map { $slot[$freeslot[$_]]->{node}->{losing_streak} = 0 } (0..$#freeslot);
785 Log (undef, "wait for last ".(scalar keys %proc)." children to finish");
788 if ($main::please_continue) {
789 $main::please_continue = 0;
792 $main::please_info = 0, freeze(), collate_output(), save_meta(1) if $main::please_info;
796 check_refresh_wanted();
798 update_progress_stats();
799 select (undef, undef, undef, 0.1);
800 killem (keys %proc) if $main::please_freeze;
804 update_progress_stats();
805 freeze_if_want_freeze();
808 if (!defined $main::success)
811 $thisround_succeeded == 0 &&
812 ($thisround_failed == 0 || $thisround_failed > 4))
814 my $message = "stop because $thisround_failed tasks failed and none succeeded";
815 Log (undef, $message);
824 goto ONELEVEL if !defined $main::success;
827 release_allocation();
829 my $collated_output = &collate_output();
832 $Job->update_attributes('running' => 0,
833 'success' => $collated_output && $main::success,
834 'finished_at' => scalar gmtime)
837 if ($collated_output)
840 open(my $orig_manifest, '-|', 'arv', 'keep', 'get', $collated_output)
841 or die "failed to get collated manifest: $!";
842 # Read the original manifest, and strip permission hints from it,
843 # so we can put the result in a Collection.
844 my @stripped_manifest_lines = ();
845 my $orig_manifest_text = '';
846 while (my $manifest_line = <$orig_manifest>) {
847 $orig_manifest_text .= $manifest_line;
848 my @words = split(/ /, $manifest_line, -1);
849 foreach my $ii (0..$#words) {
850 if ($words[$ii] =~ /^[0-9a-f]{32}\+/) {
851 $words[$ii] =~ s/\+A[0-9a-f]{40}@[0-9a-f]{8}\b//;
854 push(@stripped_manifest_lines, join(" ", @words));
856 my $stripped_manifest_text = join("", @stripped_manifest_lines);
857 my $output = $arv->{'collections'}->{'create'}->execute('collection' => {
858 'uuid' => md5_hex($stripped_manifest_text),
859 'manifest_text' => $orig_manifest_text,
861 $Job->update_attributes('output' => $output->{uuid});
862 if ($Job->{'output_is_persistent'}) {
863 $arv->{'links'}->{'create'}->execute('link' => {
864 'tail_kind' => 'arvados#user',
865 'tail_uuid' => $User->{'uuid'},
866 'head_kind' => 'arvados#collection',
867 'head_uuid' => $Job->{'output'},
868 'link_class' => 'resources',
874 Log (undef, "Failed to register output manifest: $@");
878 Log (undef, "finish");
885 sub update_progress_stats
887 $progress_stats_updated = time;
888 return if !$progress_is_dirty;
889 my ($todo, $done, $running) = (scalar @jobstep_todo,
890 scalar @jobstep_done,
891 scalar @slot - scalar @freeslot - scalar @holdslot);
892 $Job->{'tasks_summary'} ||= {};
893 $Job->{'tasks_summary'}->{'todo'} = $todo;
894 $Job->{'tasks_summary'}->{'done'} = $done;
895 $Job->{'tasks_summary'}->{'running'} = $running;
897 $Job->update_attributes('tasks_summary' => $Job->{'tasks_summary'});
899 Log (undef, "status: $done done, $running running, $todo todo");
900 $progress_is_dirty = 0;
907 my $pid = waitpid (-1, WNOHANG);
908 return 0 if $pid <= 0;
910 my $whatslot = ($slot[$proc{$pid}->{slot}]->{node}->{name}
912 . $slot[$proc{$pid}->{slot}]->{cpu});
913 my $jobstepid = $proc{$pid}->{jobstep};
914 my $elapsed = time - $proc{$pid}->{time};
915 my $Jobstep = $jobstep[$jobstepid];
917 my $childstatus = $?;
918 my $exitvalue = $childstatus >> 8;
919 my $exitinfo = sprintf("exit %d signal %d%s",
922 ($childstatus & 128 ? ' core dump' : ''));
923 $Jobstep->{'arvados_task'}->reload;
924 my $task_success = $Jobstep->{'arvados_task'}->{success};
926 Log ($jobstepid, "child $pid on $whatslot $exitinfo success=$task_success");
928 if (!defined $task_success) {
929 # task did not indicate one way or the other --> fail
930 $Jobstep->{'arvados_task'}->{success} = 0;
931 $Jobstep->{'arvados_task'}->save;
938 $temporary_fail ||= $Jobstep->{node_fail};
939 $temporary_fail ||= ($exitvalue == 111);
942 ++$thisround_failed_multiple if $Jobstep->{'failures'} >= 1;
944 # Check for signs of a failed or misconfigured node
945 if (++$slot[$proc{$pid}->{slot}]->{node}->{losing_streak} >=
946 2+$slot[$proc{$pid}->{slot}]->{node}->{ncpus}) {
947 # Don't count this against jobstep failure thresholds if this
948 # node is already suspected faulty and srun exited quickly
949 if ($slot[$proc{$pid}->{slot}]->{node}->{hold_until} &&
951 Log ($jobstepid, "blaming failure on suspect node " .
952 $slot[$proc{$pid}->{slot}]->{node}->{name});
953 $temporary_fail ||= 1;
955 ban_node_by_slot($proc{$pid}->{slot});
958 Log ($jobstepid, sprintf('failure (#%d, %s) after %d seconds',
959 ++$Jobstep->{'failures'},
960 $temporary_fail ? 'temporary ' : 'permanent',
963 if (!$temporary_fail || $Jobstep->{'failures'} >= 3) {
964 # Give up on this task, and the whole job
966 $main::please_freeze = 1;
969 # Put this task back on the todo queue
970 push @jobstep_todo, $jobstepid;
972 $Job->{'tasks_summary'}->{'failed'}++;
976 ++$thisround_succeeded;
977 $slot[$proc{$pid}->{slot}]->{node}->{losing_streak} = 0;
978 $slot[$proc{$pid}->{slot}]->{node}->{hold_until} = 0;
979 push @jobstep_done, $jobstepid;
980 Log ($jobstepid, "success in $elapsed seconds");
982 $Jobstep->{exitcode} = $childstatus;
983 $Jobstep->{finishtime} = time;
984 process_stderr ($jobstepid, $task_success);
985 Log ($jobstepid, "output " . $Jobstep->{'arvados_task'}->{output});
987 close $reader{$jobstepid};
988 delete $reader{$jobstepid};
989 delete $slot[$proc{$pid}->{slot}]->{pid};
990 push @freeslot, $proc{$pid}->{slot};
994 my $newtask_list = [];
997 $newtask_results = $arv->{'job_tasks'}->{'list'}->execute(
999 'created_by_job_task_uuid' => $Jobstep->{'arvados_task'}->{uuid}
1001 'order' => 'qsequence',
1002 'offset' => scalar(@$newtask_list),
1004 push(@$newtask_list, @{$newtask_results->{items}});
1005 } while (@{$newtask_results->{items}});
1006 foreach my $arvados_task (@$newtask_list) {
1008 'level' => $arvados_task->{'sequence'},
1010 'arvados_task' => $arvados_task
1012 push @jobstep, $jobstep;
1013 push @jobstep_todo, $#jobstep;
1016 $progress_is_dirty = 1;
1020 sub check_refresh_wanted
1022 my @stat = stat $ENV{"CRUNCH_REFRESH_TRIGGER"};
1023 if (@stat && $stat[9] > $latest_refresh) {
1024 $latest_refresh = scalar time;
1025 if ($job_has_uuid) {
1026 my $Job2 = $arv->{'jobs'}->{'get'}->execute('uuid' => $jobspec);
1027 for my $attr ('cancelled_at',
1028 'cancelled_by_user_uuid',
1029 'cancelled_by_client_uuid') {
1030 $Job->{$attr} = $Job2->{$attr};
1032 if ($Job->{'cancelled_at'}) {
1033 Log (undef, "Job cancelled at " . $Job->{cancelled_at} .
1034 " by user " . $Job->{cancelled_by_user_uuid});
1036 $main::please_freeze = 1;
1044 # return if the kill list was checked <4 seconds ago
1045 if (defined $squeue_kill_checked && $squeue_kill_checked > time - 4)
1049 $squeue_kill_checked = time;
1051 # use killem() on procs whose killtime is reached
1054 if (exists $proc{$_}->{killtime}
1055 && $proc{$_}->{killtime} <= time)
1061 # return if the squeue was checked <60 seconds ago
1062 if (defined $squeue_checked && $squeue_checked > time - 60)
1066 $squeue_checked = time;
1070 # here is an opportunity to check for mysterious problems with local procs
1074 # get a list of steps still running
1075 my @squeue = `squeue -s -h -o '%i %j' && echo ok`;
1077 if ($squeue[-1] ne "ok")
1083 # which of my jobsteps are running, according to squeue?
1087 if (/^(\d+)\.(\d+) (\S+)/)
1089 if ($1 eq $ENV{SLURM_JOBID})
1096 # which of my active child procs (>60s old) were not mentioned by squeue?
1097 foreach (keys %proc)
1099 if ($proc{$_}->{time} < time - 60
1100 && !exists $ok{$proc{$_}->{jobstepname}}
1101 && !exists $proc{$_}->{killtime})
1103 # kill this proc if it hasn't exited in 30 seconds
1104 $proc{$_}->{killtime} = time + 30;
1110 sub release_allocation
1114 Log (undef, "release job allocation");
1115 system "scancel $ENV{SLURM_JOBID}";
1123 foreach my $job (keys %reader)
1126 while (0 < sysread ($reader{$job}, $buf, 8192))
1128 print STDERR $buf if $ENV{CRUNCH_DEBUG};
1129 $jobstep[$job]->{stderr} .= $buf;
1130 preprocess_stderr ($job);
1131 if (length ($jobstep[$job]->{stderr}) > 16384)
1133 substr ($jobstep[$job]->{stderr}, 0, 8192) = "";
1142 sub preprocess_stderr
1146 while ($jobstep[$job]->{stderr} =~ /^(.*?)\n/) {
1148 substr $jobstep[$job]->{stderr}, 0, 1+length($line), "";
1149 Log ($job, "stderr $line");
1150 if ($line =~ /srun: error: (SLURM job $ENV{SLURM_JOB_ID} has expired|Unable to confirm allocation for job $ENV{SLURM_JOB_ID})/) {
1152 $main::please_freeze = 1;
1154 elsif ($line =~ /srun: error: (Node failure on|Unable to create job step) /) {
1155 $jobstep[$job]->{node_fail} = 1;
1156 ban_node_by_slot($jobstep[$job]->{slotindex});
1165 my $task_success = shift;
1166 preprocess_stderr ($job);
1169 Log ($job, "stderr $_");
1170 } split ("\n", $jobstep[$job]->{stderr});
1176 my ($keep, $child_out, $output_block);
1178 my $cmd = "$arv_cli keep get \Q$hash\E";
1179 open($keep, '-|', $cmd) or die "fetch_block: $cmd: $!";
1180 sysread($keep, $output_block, 64 * 1024 * 1024);
1182 return $output_block;
1187 Log (undef, "collate");
1189 my ($child_out, $child_in);
1190 my $pid = open2($child_out, $child_in, $arv_cli, 'keep', 'put', '--raw');
1194 next if (!exists $_->{'arvados_task'}->{output} ||
1195 !$_->{'arvados_task'}->{'success'} ||
1196 $_->{'exitcode'} != 0);
1197 my $output = $_->{'arvados_task'}->{output};
1198 if ($output !~ /^[0-9a-f]{32}(\+\S+)*$/)
1200 $output_in_keep ||= $output =~ / [0-9a-f]{32}\S*\+K/;
1201 print $child_in $output;
1203 elsif (@jobstep == 1)
1205 $joboutput = $output;
1208 elsif (defined (my $outblock = fetch_block ($output)))
1210 $output_in_keep ||= $outblock =~ / [0-9a-f]{32}\S*\+K/;
1211 print $child_in $outblock;
1215 Log (undef, "XXX fetch_block($output) failed XXX");
1221 if (!defined $joboutput) {
1222 my $s = IO::Select->new($child_out);
1223 if ($s->can_read(120)) {
1224 sysread($child_out, $joboutput, 64 * 1024 * 1024);
1227 Log (undef, "timed out reading from 'arv keep put'");
1234 Log (undef, "output $joboutput");
1235 $Job->update_attributes('output' => $joboutput) if $job_has_uuid;
1239 Log (undef, "output undef");
1249 my $sig = 2; # SIGINT first
1250 if (exists $proc{$_}->{"sent_$sig"} &&
1251 time - $proc{$_}->{"sent_$sig"} > 4)
1253 $sig = 15; # SIGTERM if SIGINT doesn't work
1255 if (exists $proc{$_}->{"sent_$sig"} &&
1256 time - $proc{$_}->{"sent_$sig"} > 4)
1258 $sig = 9; # SIGKILL if SIGTERM doesn't work
1260 if (!exists $proc{$_}->{"sent_$sig"})
1262 Log ($proc{$_}->{jobstep}, "sending 2x signal $sig to pid $_");
1264 select (undef, undef, undef, 0.1);
1267 kill $sig, $_; # srun wants two SIGINT to really interrupt
1269 $proc{$_}->{"sent_$sig"} = time;
1270 $proc{$_}->{"killedafter"} = time - $proc{$_}->{"time"};
1280 vec($bits,fileno($_),1) = 1;
1286 sub Log # ($jobstep_id, $logmessage)
1288 if ($_[1] =~ /\n/) {
1289 for my $line (split (/\n/, $_[1])) {
1294 my $fh = select STDERR; $|=1; select $fh;
1295 my $message = sprintf ("%s %d %s %s", $job_id, $$, @_);
1296 $message =~ s{([^ -\176])}{"\\" . sprintf ("%03o", ord($1))}ge;
1299 if ($local_logfile || -t STDERR) {
1300 my @gmtime = gmtime;
1301 $datetime = sprintf ("%04d-%02d-%02d_%02d:%02d:%02d",
1302 $gmtime[5]+1900, $gmtime[4]+1, @gmtime[3,2,1,0]);
1304 print STDERR ((-t STDERR) ? ($datetime." ".$message) : $message);
1306 if ($local_logfile) {
1307 print $local_logfile $datetime . " " . $message;
1314 my ($package, $file, $line) = caller;
1315 my $message = "@_ at $file line $line\n";
1316 Log (undef, $message);
1317 freeze() if @jobstep_todo;
1318 collate_output() if @jobstep_todo;
1320 save_meta() if $local_logfile;
1327 return if !$job_has_uuid;
1328 $Job->update_attributes('running' => 0,
1330 'finished_at' => scalar gmtime);
1336 my $justcheckpoint = shift; # false if this will be the last meta saved
1337 return if $justcheckpoint; # checkpointing is not relevant post-Warehouse.pm
1339 $local_logfile->flush;
1340 my $cmd = "$arv_cli keep put --filename ''\Q$keep_logfile\E "
1341 . quotemeta($local_logfile->filename);
1342 my $loglocator = `$cmd`;
1343 die "system $cmd failed: $?" if $?;
1346 $local_logfile = undef; # the temp file is automatically deleted
1347 Log (undef, "log manifest is $loglocator");
1348 $Job->{'log'} = $loglocator;
1349 $Job->update_attributes('log', $loglocator) if $job_has_uuid;
1353 sub freeze_if_want_freeze
1355 if ($main::please_freeze)
1357 release_allocation();
1360 # kill some srun procs before freeze+stop
1361 map { $proc{$_} = {} } @_;
1364 killem (keys %proc);
1365 select (undef, undef, undef, 0.1);
1367 while (($died = waitpid (-1, WNOHANG)) > 0)
1369 delete $proc{$died};
1384 Log (undef, "Freeze not implemented");
1391 croak ("Thaw not implemented");
1407 $s =~ s{\\(.)}{$1 eq "n" ? "\n" : $1}ge;
1414 my $srunargs = shift;
1415 my $execargs = shift;
1416 my $opts = shift || {};
1418 my $args = $have_slurm ? [@$srunargs, @$execargs] : $execargs;
1419 print STDERR (join (" ",
1420 map { / / ? "'$_'" : $_ }
1423 if $ENV{CRUNCH_DEBUG};
1425 if (defined $stdin) {
1426 my $child = open STDIN, "-|";
1427 defined $child or die "no fork: $!";
1429 print $stdin or die $!;
1430 close STDOUT or die $!;
1435 return system (@$args) if $opts->{fork};
1438 warn "ENV size is ".length(join(" ",%ENV));
1439 die "exec failed: $!: @$args";
1443 sub ban_node_by_slot {
1444 # Don't start any new jobsteps on this node for 60 seconds
1446 $slot[$slotid]->{node}->{hold_until} = 60 + scalar time;
1447 $slot[$slotid]->{node}->{hold_count}++;
1448 Log (undef, "backing off node " . $slot[$slotid]->{node}->{name} . " for 60 seconds");
1453 my ($lockfile, $error_message) = @_;
1454 open L, ">", $lockfile or croak("$lockfile: $!");
1455 if (!flock L, LOCK_EX|LOCK_NB) {
1456 croak("Can't lock $lockfile: $error_message\n");
1460 sub find_docker_hash {
1461 # Given a Keep locator, search for a matching link to find the Docker hash
1462 # of the stored image.
1463 my $locator = shift;
1464 my $links_result = $arv->{links}->{list}->execute(
1465 filters => [["head_uuid", "=", $locator],
1466 ["link_class", "=", "docker_image_hash"]],
1469 foreach my $link (@{$links_result->{items}}) {
1470 $docker_hash = lc($link->{name});
1472 return $docker_hash;
1478 # checkout-and-build
1482 my $destdir = $ENV{"CRUNCH_SRC"};
1483 my $commit = $ENV{"CRUNCH_SRC_COMMIT"};
1484 my $repo = $ENV{"CRUNCH_SRC_URL"};
1486 open L, ">", "$destdir.lock" or die "$destdir.lock: $!";
1488 if (readlink ("$destdir.commit") eq $commit && -d $destdir) {
1492 unlink "$destdir.commit";
1493 open STDOUT, ">", "$destdir.log";
1494 open STDERR, ">&STDOUT";
1497 my @git_archive_data = <DATA>;
1498 if (@git_archive_data) {
1499 open TARX, "|-", "tar", "-C", $destdir, "-xf", "-";
1500 print TARX @git_archive_data;
1502 die "'tar -C $destdir -xf -' exited $?: $!";
1507 chomp ($pwd = `pwd`);
1508 my $install_dir = $ENV{"CRUNCH_INSTALL"} || "$pwd/opt";
1511 for my $src_path ("$destdir/arvados/sdk/python") {
1513 shell_or_die ("virtualenv", $install_dir);
1514 shell_or_die ("cd $src_path && ./build.sh && $install_dir/bin/python setup.py install");
1518 if (-e "$destdir/crunch_scripts/install") {
1519 shell_or_die ("$destdir/crunch_scripts/install", $install_dir);
1520 } elsif (!-e "./install.sh" && -e "./tests/autotests.sh") {
1522 shell_or_die ("./tests/autotests.sh", $install_dir);
1523 } elsif (-e "./install.sh") {
1524 shell_or_die ("./install.sh", $install_dir);
1528 unlink "$destdir.commit.new";
1529 symlink ($commit, "$destdir.commit.new") or die "$destdir.commit.new: $!";
1530 rename ("$destdir.commit.new", "$destdir.commit") or die "$destdir.commit: $!";
1539 if ($ENV{"DEBUG"}) {
1540 print STDERR "@_\n";
1543 or die "@_ failed: $! exit 0x".sprintf("%x",$?);