+++ /dev/null
-#!/usr/bin/perl
-# -*- mode: perl; perl-indent-level: 2; -*-
-
-=head1 NAME
-
-whjobmanager: Execute job steps, save snapshots as requested, collate output.
-
-=head1 SYNOPSIS
-
-Obtain job details from database, run tasks on compute nodes
-(typically invoked by scheduler on cloud controller):
-
- whjobmanager jobid
-
-Obtain job details from command line, run tasks on local machine
-(typically invoked by application or developer on VM):
-
- whjobmanager revision=PATH mrfunction=FUNC inputkey=LOCATOR \
- [stepspernode=N] [SOMEKNOB=value] ...
-
-=head1 RUNNING JOBS LOCALLY
-
-whjobmanager(1p)'s log messages appear on stderr, and are saved in the
-warehouse at each checkpoint and when the job finishes.
-
-If the job succeeds, the job's output locator is printed on stdout.
-
-If a job step outputs anything to stderr, it appears in
-whjobmanager(1p)'s log when the step finishes.
-
-While the job is running, the following signals are accepted:
-
-=over
-
-=item control-C, SIGINT, SIGQUIT
-
-Save a checkpoint, terminate any job steps that are running, and stop.
-
-=item SIGALRM
-
-Save a checkpoint and continue.
-
-=back
-
-=head1 SEE ALSO
-
-whintro(1p), wh(1p)
-
-=cut
-
-
-use strict;
-use DBI;
-use POSIX ':sys_wait_h';
-use Fcntl qw(F_GETFL F_SETFL O_NONBLOCK);
-use Warehouse;
-use Warehouse::Stream;
-
-$ENV{"TMPDIR"} ||= "/tmp";
-
-do '/etc/warehouse/warehouse-server.conf';
-
-my $have_slurm = exists $ENV{SLURM_JOBID} && exists $ENV{SLURM_NODELIST};
-my $have_database = @ARGV == 1 && $ARGV[0] =~ /^\d+$/;
-
-
-$SIG{'USR1'} = sub
-{
- $main::ENV{MR_DEBUG} = 1;
-};
-$SIG{'USR2'} = sub
-{
- $main::ENV{MR_DEBUG} = 0;
-};
-
-
-
-my $whc = new Warehouse or croak ("failed to create Warehouse client");
-my $metastream = new Warehouse::Stream (whc => $whc);
-$metastream->clear;
-$metastream->name (".");
-$metastream->write_start ("log.txt");
-
-
-
-my $Job = {};
-my $job_id;
-my $dbh;
-my $sth;
-if ($have_database)
-{
- ($job_id) = @ARGV;
-
- $dbh = DBI->connect(@$Warehouse::Server::DatabaseDSN);
- croak ($DBI::errstr) if !$dbh;
- $dbh->{InactiveDestroy} = 1;
-
- $sth = $dbh->prepare ("select * from mrjob where id=?");
- $sth->execute ($job_id) or croak ($dbh->errstr);
- $Job = $sth->fetchrow_hashref or croak ($sth->errstr);
-}
-
-else
-{
- my %knob;
- foreach (@ARGV)
- {
- if (/([a-z].*?)=(.*)/) {
- $Job->{$1} = $2;
- } elsif (/(.*?)=(.*)/) {
- $knob{$1} = $2;
- }
- }
- $Job->{knobs} = join ("\n", map { "$_=$knob{$_}" } sort keys %knob);
-
- if (!$Job->{thawedfromkey})
- {
- map { croak ("No $_ specified") unless $Job->{$_} }
- qw(mrfunction revision inputkey);
- }
-
- if (!defined $Job->{id}) {
- chomp ($Job->{id} = sprintf ("%d.%d\@%s", time, $$, `hostname`));
- }
- $job_id = $Job->{id};
-}
-
-
-
-$Job->{inputkey} = $Job->{input0} if !exists $Job->{inputkey};
-delete $Job->{input0};
-
-
-
-my $max_ncpus;
-map { $max_ncpus = $1 if /^STEPSPERNODE=(.*)/ } split ("\n", $$Job{knobs});
-$max_ncpus = $1 if $$Job{nodes} =~ /\&(\d+)/;
-$max_ncpus = $$Job{stepspernode} if $$Job{stepspernode};
-my $maxstepspernode;
-
-
-
-Log (undef, "check slurm allocation");
-my @slot;
-my @node;
-# Should use $ENV{SLURM_TASKS_PER_NODE} instead of sinfo? (eg. "4(x3),2,4(x2)")
-my @sinfo;
-if (!$have_slurm)
-{
- my $localcpus = 0 + `grep -cw ^processor /proc/cpuinfo` || 1;
- push @sinfo, "$localcpus localhost";
-}
-if (exists $ENV{SLURM_NODELIST})
-{
- push @sinfo, `sinfo -h --format='%c %N' --nodes='$ENV{SLURM_NODELIST}'`;
-}
-foreach (@sinfo)
-{
- my ($ncpus, $slurm_nodelist) = split;
- $ncpus = $max_ncpus if defined ($max_ncpus) && $ncpus > $max_ncpus && $max_ncpus > 0;
- $maxstepspernode = $ncpus if !defined $maxstepspernode || $maxstepspernode < $ncpus;
-
- my @nodelist;
- while ($slurm_nodelist =~ s/^([^\[,]+?(\[.*?\])?)(,|$)//)
- {
- my $nodelist = $1;
- if ($nodelist =~ /\[((\d+)(-(\d+))?(,(\d+)(-(\d+))?)*)\]/)
- {
- my $ranges = $1;
- foreach (split (",", $ranges))
- {
- my ($a, $b);
- if (/(\d+)-(\d+)/)
- {
- $a = $1;
- $b = $2;
- }
- else
- {
- $a = $_;
- $b = $_;
- }
- push @nodelist, map {
- my $n = $nodelist;
- $n =~ s/\[[-,\d]+\]/$_/;
- $n;
- } ($a..$b);
- }
- }
- else
- {
- push @nodelist, $nodelist;
- }
- }
- foreach my $nodename (@nodelist)
- {
- Log (undef, "node $nodename - $ncpus slots");
- my $node = { name => $nodename,
- ncpus => $ncpus,
- losing_streak => 0,
- hold_until => 0 };
- foreach my $cpu (1..$ncpus)
- {
- push @slot, { node => $node,
- cpu => $cpu };
- }
- }
- push @node, @nodelist;
-}
-
-
-
-# Ensure that we get one jobstep running on each allocated node before
-# we start overloading nodes with concurrent steps
-
-@slot = sort { $a->{cpu} <=> $b->{cpu} } @slot;
-
-
-
-my $jobmanager_id;
-if ($have_database)
-{
- # Claim this job, and make sure nobody else does
-
- $sth = $dbh->prepare ("insert into mrjobmanager
- (pid, revision, starttime)
- values (?, ?, now())");
- my $rev = q/$Revision$/;
- $rev =~ /\d+/;
- $sth->execute ($$, +$&) or croak ($dbh->errstr);
-
- $sth = $dbh->prepare ("select last_insert_id()");
- $sth->execute or croak ($dbh->errstr);
- ($jobmanager_id) = $sth->fetchrow_array;
-
- $sth = $dbh->prepare ("update mrjob set jobmanager_id=?, starttime=now()
- where id=? and jobmanager_id is null");
- $sth->execute ($jobmanager_id, $job_id) or croak ($dbh->errstr);
-
- $sth = $dbh->prepare ("select jobmanager_id from mrjob
- where id=?");
- $sth->execute ($job_id) or croak ($dbh->errstr);
- my ($check_jobmanager_id) = $sth->fetchrow_array;
- if ($check_jobmanager_id != $jobmanager_id)
- {
- # race condition - another job manager proc stole the job
- Log (undef,
- "job taken by jobmanager id $check_jobmanager_id");
- exit (1);
- }
-}
-
-
-Log (undef, "start");
-$SIG{'INT'} = sub { $main::please_freeze = 1; };
-$SIG{'QUIT'} = sub { $main::please_freeze = 1; };
-$SIG{'TERM'} = \&croak;
-$SIG{'TSTP'} = sub { $main::please_freeze = 1; };
-$SIG{'ALRM'} = sub { $main::please_info = 1; };
-$SIG{'CONT'} = sub { $main::please_continue = 1; };
-$main::please_freeze = 0;
-$main::please_info = 0;
-$main::please_continue = 0;
-my $jobsteps_must_output_keys = 0; # becomes 1 when any task outputs a key
-
-grep { $ENV{$1} = $2 if /^(NOCACHE.*?)=(.*)/ } split ("\n", $$Job{knobs});
-$ENV{"MR_JOB_ID"} = $job_id;
-$ENV{"JOB_UUID"} = $job_id;
-
-
-my @jobstep;
-my @jobstep_todo = ();
-my @jobstep_done = ();
-my @jobstep_tomerge = ();
-my $jobstep_tomerge_level = 0;
-my $squeue_checked;
-my $squeue_kill_checked;
-my $output_in_keep = 0;
-
-
-
-if (defined $Job->{thawedfromkey})
-{
- thaw ($Job->{thawedfromkey});
-}
-else
-{
- push @jobstep, { input => $Job->{inputkey},
- level => 0,
- attempts => 0,
- };
- push @jobstep_todo, 0;
-}
-
-
-
-mkdir ($ENV{"TMPDIR"}."/mrcompute");
-if ($$Job{knobs} =~ /^GPG_KEYS=(.*)/m) {
- # set up a fresh gnupg directory just for this process
- # TODO: reap abandoned gnupg dirs
- system ("rm", "-rf", $ENV{"TMPDIR"}."/mrcompute/.gnupg/$$");
- mkdir ($ENV{"TMPDIR"}."/mrcompute");
- mkdir ($ENV{"TMPDIR"}."/mrcompute/.gnupg", 0700);
- mkdir ($ENV{"TMPDIR"}."/mrcompute/.gnupg/$$", 0700) || croak ("mkdir: $!");
-
- my $newhomedir = $ENV{"TMPDIR"}."/mrcompute/.gnupg/$$";
-
- open C, ">", $newhomedir."/gpg.conf";
- print C "always-trust\n";
- close C;
-
- # import secret keys referenced in job spec
- my $hashes = $1;
- $hashes =~ s/\'/\'\\\'\'/g;
- my $gpg_out = `whget '$hashes' - | gpg --homedir "$newhomedir" --import 2>&1`;
- my %encrypt_to;
- while ($gpg_out =~ /^gpg: key ([0-9A-F]{8}): /gm) {
- my $keynum = $1;
- while (`gpg --homedir "$newhomedir" --list-keys "$keynum"` =~ /^uid\s.*<(.+?)>/gm) {
- $encrypt_to{$1} = 1;
- }
- }
- if (!%encrypt_to) {
- croak ("GPG_KEYS provided but failed to import keys:\n$gpg_out");
- }
-
- if ($have_database) {
-
- # make sure the job request was signed by all of the secret keys
- # contained in GPG_KEYS (otherwise, any VM can just copy the
- # GPG_KEYS hash from an existing mr-job and submit new jobs that can
- # read private data)
-
- my %did_not_sign;
- my $seckeys = `gpg --homedir "$newhomedir" --list-secret-keys --with-fingerprint`;
- while ($seckeys =~ /Key fingerprint.*?([0-9A-F][0-9A-F ]+[0-9A-F])/mgi) {
- $did_not_sign{$1} = 1;
- }
- my $srfile = "$newhomedir/signedrequest";
- open SREQ, ">", $srfile;
- print SREQ $$Job{"signedrequest"};
- close SREQ;
- my $gpg_v = `gpg --homedir "$newhomedir" --verify --with-fingerprint "$srfile" 2>&1 && echo ok`;
- unlink $srfile;
- if ($gpg_v =~ /\nok\n$/s) {
- while ($gpg_v =~ /Good signature.*? key fingerprint: (\S[^\n]+\S)/sgi) {
- delete $did_not_sign{$1};
- }
- }
- if (%did_not_sign) {
- croak (join ("\n",
- "Some secret keys provided did not sign this job request:",
- keys %did_not_sign) . "\n");
- }
- }
-
- my $hostname = `hostname`;
- chomp ($hostname);
-
- # tell mrjobsteps the decrypted secret key(s) and all public key(s) they might need
- $ENV{"GPG_KEYS"} = `gpg --homedir "$newhomedir" --export-secret-keys --armor`;
- $ENV{"GPG_PUBLIC_KEYS"} = `gpg --export --armor | ENCRYPT_TO= whput -`;
-
- # import all secret keys from my real home dir
- `gpg --export-secret-keys | gpg --homedir "$newhomedir" --import 2>&1`;
-
- # use the new gnupg dir from now on
- $ENV{"GNUPGHOME"} = $newhomedir;
-
- # if I have a secret key for root@{host} or {user}@{host} or
- # {configured-controller-gpg-uid}, add that as a recipient too so
- # I'll be able to read frozentokeys etc. later
- my %allkeys;
- while (`gpg --list-secret-keys` =~ /^uid\s.*?<(.+?)>/gm) {
- $allkeys{$1} = 1;
- }
- my $encrypting_to_self = 0;
- my @try_these_uids = ("root\@".$hostname, $ENV{"USER"}."\@".$hostname);
- push @try_these_uids, ($whc->{config}->{controller_gpg_uid})
- if exists $whc->{config}->{controller_gpg_uid};
- foreach my $id (@try_these_uids) {
- if (exists $allkeys{$id}) {
- $encrypt_to{$id} = 1;
- $encrypting_to_self = 1;
- last;
- }
- }
-
- if (!$encrypting_to_self) {
- croak ("Failed to find a secret key for any of [@try_these_uids] -- giving up instead of writing meta/freeze data that I won't be able to read");
- }
-
- # tell the client library (and child procs and jobsteps) to encrypt using these keys
- $ENV{"ENCRYPT_TO"} = join (",", sort keys %encrypt_to);
- Log (undef, "encrypt_to ('".$ENV{"ENCRYPT_TO"}."')");
- $whc->set_config ("encrypt_to", $ENV{"ENCRYPT_TO"});
-}
-
-
-
-$ENV{"MR_REVISION"} = $Job->{revision};
-
-my $git_build_script;
-my $skip_install = (!$have_slurm && $Job->{revision} =~ m{^/});
-if ($skip_install)
-{
- $ENV{"MR_REVISION_SRCDIR"} = $Job->{revision};
-}
-else
-{
- Log (undef, "Install revision ".$Job->{revision});
- my $nodelist = join(",", @node);
-
- # Clean out mrcompute/work and mrcompute/opt
-
- my $cleanpid = fork();
- if ($cleanpid == 0)
- {
- srun (["srun", "--nodelist=$nodelist", "-D", $ENV{TMPDIR}],
- ['bash', '-c', 'if mount | grep -q $TMPDIR/mrcompute/work/; then sudo /bin/umount $TMPDIR/mrcompute/work/* 2>/dev/null; fi; sleep 1; rm -rf $TMPDIR/mrcompute/work $TMPDIR/mrcompute/opt']);
- exit (1);
- }
- while (1)
- {
- last if $cleanpid == waitpid (-1, WNOHANG);
- freeze_if_want_freeze ($cleanpid);
- select (undef, undef, undef, 0.1);
- }
- Log (undef, "Clean-work-dir exited $?");
-
- # Install requested code version
-
- my $build_script;
- my @execargs;
- my @srunargs = ("srun",
- "--nodelist=$nodelist",
- "-D", $ENV{TMPDIR}, "--job-name=$job_id");
-
- $ENV{"MR_REVISION"} = $Job->{revision};
- $ENV{"MR_REVISION_SRCDIR"} = "$ENV{TMPDIR}/mrcompute/warehouse-apps";
- $ENV{"MR_REVISION_INSTALLDIR"} = "$ENV{TMPDIR}/mrcompute/opt";
-
- my $commit;
- my $treeish = $Job->{revision};
- my $repo = $Job->{git_clone_url} || $whc->get_config("git_clone_url");
-
- # Create/update our clone of the remote git repo
-
- if (!-d $ENV{MR_REVISION_SRCDIR}) {
- system(qw(git clone), $repo, $ENV{MR_REVISION_SRCDIR}) == 0
- or croak ("git clone $repo failed: exit ".($?>>8));
- system("cd $ENV{MR_REVISION_SRCDIR} && git config clean.requireForce false");
- }
- `cd $ENV{MR_REVISION_SRCDIR} && git fetch -q`;
-
- # If this looks like a subversion r#, look for it in git-svn commit messages
-
- if ($treeish =~ m{^\d{1,4}$}) {
- my $gitlog = `cd $ENV{MR_REVISION_SRCDIR} && git log --pretty="format:%H" --grep="git-svn-id:.*\@$treeish " origin/master`;
- chomp $gitlog;
- if ($gitlog =~ /^[a-f0-9]{40}$/) {
- $commit = $gitlog;
- Log (undef, "Using commit $commit for revision $treeish");
- }
- }
-
- # If that didn't work, try asking git to look it up as a tree-ish.
-
- if (!defined $commit) {
-
- my $cooked_treeish = $treeish;
- if ($treeish !~ m{^[0-9a-f]{5,}$}) {
- # Looks like a git branch name -- make sure git knows it's
- # relative to the remote repo
- $cooked_treeish = "origin/$treeish";
- }
-
- my $found = `cd $ENV{MR_REVISION_SRCDIR} && git rev-list -1 $cooked_treeish`;
- chomp $found;
- if ($found =~ /^[0-9a-f]{40}$/s) {
- $commit = $found;
- if ($commit ne $treeish) {
- # Make sure we record the real commit id in the database,
- # frozentokey, logs, etc. -- instead of an abbreviation or a
- # branch name which can become ambiguous or point to a
- # different commit in the future.
- $ENV{"MR_REVISION"} = $commit;
- $Job->{revision} = $commit;
- dbh_do
- ("update mrjob set revision=? where id=?",
- undef,
- $Job->{revision}, $Job->{id});
- Log (undef, "Using commit $commit for tree-ish $treeish");
- }
- }
- }
-
- if (defined $commit) {
- $ENV{"MR_GIT_COMMIT"} = $commit;
- $ENV{"MR_GIT_CLONE_URL"} = $repo;
- @execargs = ("sh", "-c",
- "mkdir -p $ENV{TMPDIR}/mrcompute/opt && cd $ENV{TMPDIR}/mrcompute && perl - $ENV{MR_REVISION_SRCDIR} $commit $repo");
- open GBS, "<", `echo -n \$(which whjob-checkout-and-build)`
- or croak ("can't find whjob-checkout-and-build");
- local $/ = undef;
- $git_build_script = <GBS>;
- close GBS;
- $build_script = $git_build_script;
- }
- elsif ($treeish =~ m{^(\d{1,5})$}) {
- # Want a subversion r# but couldn't find it in git-svn history -
- # might as well try using the subversion repo in case it's still
- # there.
- $ENV{"INSTALL_REPOS"} = $whc->get_config("svn_root");
- $ENV{"INSTALL_REVISION"} = $Job->{revision};
- $ENV{"MR_REVISION_INSTALLDIR"} = "$ENV{TMPDIR}/mrcompute/revision/$treeish";
- $ENV{"MR_REVISION_SRCDIR"} = "$ENV{MR_REVISION_INSTALLDIR}/src";
- @execargs = ("sh", "-c",
- "mkdir -p $ENV{TMPDIR}/mrcompute/revision && cd $ENV{TMPDIR}/mrcompute && ( [ -e $ENV{MR_REVISION_INSTALLDIR}/.tested ] || ( svn export --quiet \"\$INSTALL_REPOS/installrevision\" && INSTALLREVISION_NOLOCK=1 ./installrevision ) )");
- }
- else {
- croak ("could not figure out commit id for $treeish");
- }
-
- my $installpid = fork();
- if ($installpid == 0)
- {
- srun (\@srunargs, \@execargs, {}, $build_script);
- exit (1);
- }
- while (1)
- {
- last if $installpid == waitpid (-1, WNOHANG);
- freeze_if_want_freeze ($installpid);
- select (undef, undef, undef, 0.1);
- }
- Log (undef, "Install exited $?");
-}
-
-
-
-foreach (qw (mrfunction revision nodes stepspernode inputkey))
-{
- Log (undef, $_ . " " . $Job->{$_});
-}
-foreach (split (/\n/, $Job->{knobs}))
-{
- Log (undef, "knob " . $_);
-}
-
-
-
-my $success;
-
-
-
-ONELEVEL:
-
-my $thisround_succeeded = 0;
-my $thisround_failed = 0;
-my $thisround_failed_multiple = 0;
-
-@jobstep_todo = sort { $jobstep[$a]->{level} <=> $jobstep[$b]->{level}
- or $a <=> $b } @jobstep_todo;
-my $level = $jobstep[$jobstep_todo[0]]->{level};
-Log (undef, "start level $level");
-
-
-
-my %proc;
-my @freeslot = (0..$#slot);
-my @holdslot;
-my %reader;
-my ($id, $input, $attempts);
-my $progress_is_dirty = 1;
-my $progress_stats_updated = 0;
-
-update_progress_stats();
-
-
-
-THISROUND:
-for (my $todo_ptr = 0; $todo_ptr <= $#jobstep_todo; $todo_ptr ++)
-{
- $main::please_continue = 0;
-
- my $id = $jobstep_todo[$todo_ptr];
- my $Jobstep = $jobstep[$id];
- if ($Jobstep->{level} != $level)
- {
- next;
- }
- if ($Jobstep->{attempts} > 9)
- {
- Log ($id, "jobstep $id failed $$Jobstep{attempts} times -- giving up");
- $success = 0;
- last THISROUND;
- }
-
- pipe $reader{$id}, "writer" or croak ($!);
- my $flags = fcntl ($reader{$id}, F_GETFL, 0) or croak ($!);
- fcntl ($reader{$id}, F_SETFL, $flags | O_NONBLOCK) or croak ($!);
-
- my $childslot = $freeslot[0];
- my $childnode = $slot[$childslot]->{node};
- my $childslotname = join (".",
- $slot[$childslot]->{node}->{name},
- $slot[$childslot]->{cpu});
- my $childpid = fork();
- if ($childpid == 0)
- {
- $SIG{'INT'} = 'DEFAULT';
- $SIG{'QUIT'} = 'DEFAULT';
- $SIG{'TERM'} = 'DEFAULT';
-
- foreach (values (%reader))
- {
- close($_);
- }
- fcntl ("writer", F_SETFL, 0) or croak ($!); # no close-on-exec
- open(STDOUT,">&writer");
- open(STDERR,">&writer");
-
- undef $dbh;
- undef $sth;
-
-
- delete $ENV{"GNUPGHOME"};
- $ENV{"MR_ID"} = $id;
- $ENV{"MR_INPUT"} = $Jobstep->{input};
- $ENV{"MR_KNOBS"} = $Job->{knobs};
- $ENV{"MR_LEVEL"} = $level;
- $ENV{"MR_FUNCTION"} = $Job->{mrfunction};
- $ENV{"MR_INPUT0"} = $Job->{inputkey};
- $ENV{"MR_INPUTKEY"} = $Job->{inputkey};
- $ENV{"MR_SLOT_NODE"} = $slot[$childslot]->{node}->{name};
- $ENV{"MR_SLOT_NUMBER"} = $slot[$childslot]->{cpu};
- $ENV{"MR_SLOT"} = $slot[$childslot]->{cpu}; # deprecated
- $ENV{"MR_JOB_TMP"} = $ENV{"TMPDIR"}."/job/work";
- $ENV{"MR_JOBSTEP_TMP"} = $ENV{"TMPDIR"}."/job/work/".$slot[$childslot]->{cpu};
- $ENV{"MR_NODE_SLOTS"} = $slot[$childslot]->{node}->{ncpus};
- $ENV{"MOGILEFS_TRACKERS"} = join (",", @main::mogilefs_trackers);
- $ENV{"MOGILEFS_DOMAIN"} = $main::mogilefs_default_domain;
- $ENV{"MOGILEFS_CLASS"} = $main::mogilefs_default_class;
-
- $ENV{"TASK_UUID"} = $ENV{"JOB_UUID"} . "-" . $id;
- $ENV{"TASK_QSEQUENCE"} = $id;
- $ENV{"TASK_SEQUENCE"} = $Jobstep->{level};
-
- $ENV{"GZIP"} = "-n";
-
- my @srunargs = (
- "srun",
- "--nodelist=".$childnode->{name},
- qw(-n1 -c1 -N1 -D), $ENV{TMPDIR},
- "--job-name=$job_id.$id.$$",
- );
- my @execargs = qw(sh);
- my $script = "";
- my $command =
- "mkdir -p $ENV{TMPDIR}/mrcompute/revision "
- ."&& cd $ENV{TMPDIR}/mrcompute ";
- if ($git_build_script)
- {
- $script = $git_build_script;
- $command .=
- "&& perl - $ENV{MR_REVISION_SRCDIR} $ENV{MR_GIT_COMMIT} $ENV{MR_GIT_CLONE_URL}";
- }
- elsif (!$skip_install)
- {
- $command .=
- "&& "
- ."( "
- ." [ -e '$ENV{MR_REVISION_INSTALLDIR}/.tested' ] "
- ."|| "
- ." ( svn export --quiet '$ENV{INSTALL_REPOS}/installrevision' "
- ." && ./installrevision "
- ." ) "
- .") ";
- }
- if (exists $ENV{GPG_KEYS}) {
- $command .=
- "&& mkdir -p '$ENV{MR_JOBSTEP_TMP}' && (sudo /bin/umount '$ENV{MR_JOBSTEP_TMP}' 2>/dev/null || true) && rm -rf '$ENV{MR_JOBSTEP_TMP}' && exec $ENV{MR_REVISION_SRCDIR}/mapreduce/ecryptfs-wrapper -d '$ENV{MR_JOBSTEP_TMP}' -p $ENV{MR_REVISION_SRCDIR}/mapreduce/mrtaskmanager";
- } else {
- $command .=
- "&& exec $ENV{MR_REVISION_SRCDIR}/mapreduce/mrtaskmanager";
- }
- my @execargs = ('bash', '-c', $command);
- srun (\@srunargs, \@execargs, undef, $script);
- exit (1);
- }
- close("writer");
- if (!defined $childpid)
- {
- close $reader{$id};
- delete $reader{$id};
- next;
- }
- shift @freeslot;
- $proc{$childpid} = { jobstep => $id,
- time => time,
- slot => $childslot,
- jobstepname => "$job_id.$id.$childpid",
- };
- croak ("assert failed: \$slot[$childslot]->{'pid'} exists") if exists $slot[$childslot]->{pid};
- $slot[$childslot]->{pid} = $childpid;
-
- Log ($id, "child $childpid started on $childslotname");
- $Jobstep->{attempts} ++;
- $Jobstep->{starttime} = time;
- $Jobstep->{node} = $childnode->{name};
- $Jobstep->{slotindex} = $childslot;
- delete $Jobstep->{stderr};
- delete $Jobstep->{output};
- delete $Jobstep->{finishtime};
-
- splice @jobstep_todo, $todo_ptr, 1;
- --$todo_ptr;
-
- $progress_is_dirty = 1;
-
- while (!@freeslot
- ||
- (@slot > @freeslot && $todo_ptr+1 > $#jobstep_todo))
- {
- last THISROUND if $main::please_freeze;
- if ($main::please_info)
- {
- $main::please_info = 0;
- freeze();
- collate_output();
- save_meta(1);
- update_progress_stats();
- }
- my $gotsome
- = readfrompipes ()
- + reapchildren ();
- if (!$gotsome)
- {
- check_squeue();
- update_progress_stats();
- select (undef, undef, undef, 0.1);
- }
- elsif (time - $progress_stats_updated >= 30)
- {
- update_progress_stats();
- }
- if (($thisround_failed_multiple >= 8 && $thisround_succeeded == 0) ||
- ($thisround_failed_multiple >= 16 && $thisround_failed_multiple > $thisround_succeeded))
- {
- my $message = "Repeated failure rate too high ($thisround_failed_multiple/"
- .($thisround_failed+$thisround_succeeded)
- .") -- giving up on this round";
- Log (undef, $message);
- last THISROUND;
- }
-
- # move slots from freeslot to holdslot (or back to freeslot) if necessary
- for (my $i=$#freeslot; $i>=0; $i--) {
- if ($slot[$freeslot[$i]]->{node}->{hold_until} > scalar time) {
- push @holdslot, (splice @freeslot, $i, 1);
- }
- }
- for (my $i=$#holdslot; $i>=0; $i--) {
- if ($slot[$holdslot[$i]]->{node}->{hold_until} <= scalar time) {
- push @freeslot, (splice @holdslot, $i, 1);
- }
- }
-
- # give up if no nodes are succeeding
- if (!grep { $_->{node}->{losing_streak} == 0 } @slot) {
- my $message = "Every node has failed -- giving up on this round";
- Log (undef, $message);
- last THISROUND;
- }
- }
-}
-
-
-push @freeslot, splice @holdslot;
-map { $slot[$freeslot[$_]]->{node}->{losing_streak} = 0 } (0..$#freeslot);
-
-
-Log (undef, "wait for last ".(scalar keys %proc)." children to finish");
-while (%proc)
-{
- goto THISROUND if $main::please_continue;
- $main::please_info = 0, freeze(), collate_output(), save_meta(1) if $main::please_info;
- readfrompipes ();
- if (!reapchildren())
- {
- check_squeue();
- update_progress_stats();
- select (undef, undef, undef, 0.1);
- killem (keys %proc) if $main::please_freeze;
- }
-}
-
-update_progress_stats();
-freeze_if_want_freeze();
-
-
-if (@jobstep_tomerge && !@jobstep_todo)
-{
- push @jobstep, { input => join ("\n", splice @jobstep_tomerge, 0),
- level => $jobstep_tomerge_level,
- attempts => 0 };
- push @jobstep_todo, $#jobstep;
-}
-
-
-if (!defined $success)
-{
- if (@jobstep_todo &&
- $thisround_succeeded == 0 &&
- ($thisround_failed == 0 || $thisround_failed > 4))
- {
- my $message = "stop because $thisround_failed tasks failed and none succeeded";
- Log (undef, $message);
- $success = 0;
- }
- if (!@jobstep_todo)
- {
- $success = 1;
- }
-}
-
-goto ONELEVEL if !defined $success;
-
-
-release_allocation();
-freeze();
-my $key = &collate_output();
-$success = 0 if !$key;
-
-
-if ($key)
-{
- my @keepkey;
- foreach my $hash (split ",", $key)
- {
- my $keephash = $whc->store_in_keep (hash => $hash,
- nnodes => 3);
- if (!$keephash)
- {
- Log (undef, "store_in_keep (\"$hash\") failed: ".$whc->errstr);
- $keephash = $hash;
- }
- push @keepkey, $keephash;
- }
- my $keepkey = join (",", @keepkey);
- Log (undef, "outputkey+K $keepkey");
- print "$keepkey\n" if $success;
-
- if ($output_in_keep)
- {
- $key = $keepkey;
- }
-
- dbh_do ("update mrjob set output=? where id=?", undef,
- $key, $job_id)
- or croak ($dbh->errstr);
-
- $whc->store_manifest_by_name ($keepkey, undef, "/job$job_id")
- or Log (undef, "store_manifest_by_name (\"$key\", \"/job$job_id\") failed: ".$whc->errstr);
-}
-
-
-Log (undef, "finish");
-
-dbh_do ("update mrjob set finishtime=now(), success=?
- where id=? and jobmanager_id=?", undef,
- $success, $job_id, $jobmanager_id)
- or croak ($dbh->errstr);
-
-save_meta();
-exit 0;
-
-
-
-sub update_progress_stats
-{
- $progress_stats_updated = time;
- return if !$progress_is_dirty;
- my ($todo, $done, $running) = (scalar @jobstep_todo,
- scalar @jobstep_done,
- scalar @slot - scalar @freeslot - scalar @holdslot);
- dbh_do
- ("update mrjob set steps_todo=?,steps_done=?,steps_running=? where id=?",
- undef,
- $todo, $done, $running, $job_id);
- Log (undef, "status: $done done, $running running, $todo todo");
- $progress_is_dirty = 0;
-}
-
-
-
-sub reapchildren
-{
- my $pid = waitpid (-1, WNOHANG);
- return 0 if $pid <= 0;
-
- my $whatslot = ($slot[$proc{$pid}->{slot}]->{node}->{name}
- . "."
- . $slot[$proc{$pid}->{slot}]->{cpu});
- my $jobstepid = $proc{$pid}->{jobstep};
- my $elapsed = time - $proc{$pid}->{time};
- my $Jobstep = $jobstep[$jobstepid];
-
- process_stderr_for_output_key ($jobstepid);
-
- my $exitcode = $?;
- my $exitinfo = "exit $exitcode";
- if (!exists $Jobstep->{output})
- {
- $exitinfo .= " with no output key";
- $exitcode = -1 if $exitcode == 0 && $jobsteps_must_output_keys;
- }
-
- if ($exitcode == 0 && $Jobstep->{node_fail}) {
- $exitinfo .= " but recording as failure";
- $exitcode = -1;
- }
-
- Log ($jobstepid, "child $pid on $whatslot $exitinfo");
-
- if ($exitcode != 0 || $Jobstep->{node_fail})
- {
- --$Jobstep->{attempts} if $Jobstep->{node_fail};
- ++$thisround_failed;
- ++$thisround_failed_multiple if $Jobstep->{attempts} > 1;
-
- # Check for signs of a failed or misconfigured node
- if (++$slot[$proc{$pid}->{slot}]->{node}->{losing_streak} >=
- 2+$slot[$proc{$pid}->{slot}]->{node}->{ncpus}) {
- # Don't count this against jobstep failure thresholds if this
- # node is already suspected faulty and srun exited quickly
- if ($slot[$proc{$pid}->{slot}]->{node}->{hold_until} &&
- $elapsed < 5 &&
- $Jobstep->{attempts} > 1) {
- Log ($jobstepid, "blaming failure on suspect node " . $slot[$proc{$pid}->{slot}]->{node}->{name} . " instead of incrementing jobstep attempts");
- --$Jobstep->{attempts};
- }
- ban_node_by_slot($proc{$pid}->{slot});
- }
-
- push @jobstep_todo, $jobstepid;
- Log ($jobstepid, "failure in $elapsed seconds");
- }
- else
- {
- ++$thisround_succeeded;
- $slot[$proc{$pid}->{slot}]->{node}->{losing_streak} = 0;
- $slot[$proc{$pid}->{slot}]->{node}->{hold_until} = 0;
- push @jobstep_done, $jobstepid;
- Log ($jobstepid, "success in $elapsed seconds");
- }
- $Jobstep->{exitcode} = $exitcode;
- $Jobstep->{finishtime} = time;
- process_stderr ($jobstepid, $exitcode == 0);
- Log ($jobstepid, "output $$Jobstep{output}");
-
- close $reader{$jobstepid};
- delete $reader{$jobstepid};
- delete $slot[$proc{$pid}->{slot}]->{pid};
- push @freeslot, $proc{$pid}->{slot};
- delete $proc{$pid};
-
- $progress_is_dirty = 1;
- 1;
-}
-
-
-sub check_squeue
-{
- # return if the kill list was checked <4 seconds ago
- if (defined $squeue_kill_checked && $squeue_kill_checked > time - 4)
- {
- return;
- }
- $squeue_kill_checked = time;
-
- # use killem() on procs whose killtime is reached
- for (keys %proc)
- {
- if (exists $proc{$_}->{killtime}
- && $proc{$_}->{killtime} <= time)
- {
- killem ($_);
- }
- }
-
- # return if the squeue was checked <60 seconds ago
- if (defined $squeue_checked && $squeue_checked > time - 60)
- {
- return;
- }
- $squeue_checked = time;
-
- if (!$have_slurm)
- {
- # here is an opportunity to check for mysterious problems with local procs
- return;
- }
-
- # get a list of steps still running
- my @squeue = `squeue -s -h -o '%i %j' && echo ok`;
- chop @squeue;
- if ($squeue[-1] ne "ok")
- {
- return;
- }
- pop @squeue;
-
- # which of my jobsteps are running, according to squeue?
- my %ok;
- foreach (@squeue)
- {
- if (/^(\d+)\.(\d+) (\S+)/)
- {
- if ($1 eq $ENV{SLURM_JOBID})
- {
- $ok{$3} = 1;
- }
- }
- }
-
- # which of my active child procs (>60s old) were not mentioned by squeue?
- foreach (keys %proc)
- {
- if ($proc{$_}->{time} < time - 60
- && !exists $ok{$proc{$_}->{jobstepname}}
- && !exists $proc{$_}->{killtime})
- {
- # kill this proc if it hasn't exited in 30 seconds
- $proc{$_}->{killtime} = time + 30;
- }
- }
-}
-
-
-sub release_allocation
-{
- if ($have_slurm)
- {
- Log (undef, "release job allocation");
- system "scancel $ENV{SLURM_JOBID}";
- }
-}
-
-
-sub readfrompipes
-{
- my $gotsome = 0;
- foreach my $job (keys %reader)
- {
- my $buf;
- while (0 < sysread ($reader{$job}, $buf, 8192))
- {
- print STDERR $buf if $ENV{MR_DEBUG};
- $jobstep[$job]->{stderr} .= $buf;
- preprocess_stderr ($job);
- if (length ($jobstep[$job]->{stderr}) > 16384 &&
- $jobstep[$job]->{stderr} !~ /\+\+\+mr/)
- {
- substr ($jobstep[$job]->{stderr}, 0, 8192) = "";
- }
- $gotsome = 1;
- }
- }
- return $gotsome;
-}
-
-
-sub process_stderr_for_output_key
-{
- my $job = shift;
- while ($jobstep[$job]->{stderr} =~ s/\+\+\+mrout (.*?)\+\+\+\n//s)
- {
- $jobstep[$job]->{output} = $1;
- $jobsteps_must_output_keys = 1;
- }
-}
-
-
-sub preprocess_stderr
-{
- my $job = shift;
-
- $jobstep[$job]->{stderr_jobsteps} = []
- if !exists $jobstep[$job]->{stderr_jobsteps};
-
- $jobstep[$job]->{stderr} =~
- s{\+\+\+mrjobstep((\/(\d+|\*))? (\d+) (.*?))\+\+\+\n}{
- push (@{ $jobstep[$job]->{stderr_jobsteps} }, $1);
- "";
- }gse;
-
- while ($jobstep[$job]->{stderr} =~ /^(.*?)\n/) {
- my $line = $1;
- if ($line =~ /\+\+\+mr/) {
- last;
- }
- substr $jobstep[$job]->{stderr}, 0, 1+length($line), "";
- Log ($job, "stderr $line");
- if ($line =~ /srun: error: (SLURM job $ENV{SLURM_JOBID} has expired) /) {
- # whoa.
- $main::please_freeze = 1;
- }
- elsif ($line =~ /srun: error: (Node failure on|Unable to create job step) /) {
- $jobstep[$job]->{node_fail} = 1;
- ban_node_by_slot($jobstep[$job]->{slotindex});
- }
- }
-}
-
-
-sub process_stderr
-{
- my $job = shift;
- my $success = shift;
- preprocess_stderr ($job);
-
- map {
- Log ($job, "stderr $_");
- } split ("\n", $jobstep[$job]->{stderr});
-
- if (!$success || !exists $jobstep[$job]->{stderr_jobsteps})
- {
- delete $jobstep[$job]->{stderr_jobsteps};
- return;
- }
-
- foreach (@{ $jobstep[$job]->{stderr_jobsteps} })
- {
- /^(?:\/(\d+|\*))? (\d+) (.*)/s;
- my ($merge, $level, $input) = ($1, $2, $3);
- my $newjobref;
- if ($merge)
- {
- push @jobstep_tomerge, $input;
- $jobstep_tomerge_level = $level;
- if ($merge !~ /\D/ && @jobstep_tomerge >= $merge)
- {
- $newjobref = { input => join ("\n",
- splice @jobstep_tomerge, 0, $merge),
- level => $level,
- attempts => 0 };
- }
- }
- else
- {
- $newjobref = { input => $input,
- level => $level,
- attempts => 0 };
- }
- if ($newjobref)
- {
- push @jobstep, $newjobref;
- push @jobstep_todo, $#jobstep;
- }
- }
- delete $jobstep[$job]->{stderr_jobsteps};
-}
-
-
-sub collate_output
-{
- Log (undef, "collate");
- $whc->write_start (1);
- my $key;
- for (@jobstep)
- {
- next if !exists $_->{output} || $_->{exitcode} != 0;
- my $output = $_->{output};
- if ($output !~ /^[0-9a-f]{32}/)
- {
- $output_in_keep ||= $output =~ / [0-9a-f]{32}\S*\+K/;
- $whc->write_data ($output);
- }
- elsif (@jobstep == 1)
- {
- $key = $output;
- $whc->write_finish;
- }
- elsif (defined (my $outblock = $whc->fetch_block ($output)))
- {
- $output_in_keep ||= $outblock =~ / [0-9a-f]{32}\S*\+K/;
- $whc->write_data ($outblock);
- }
- else
- {
- my $errstr = $whc->errstr;
- $whc->write_data ("XXX fetch_block($output) failed: $errstr XXX\n");
- $success = 0;
- }
- }
- $key = $whc->write_finish if !defined $key;
- if ($key)
- {
- Log (undef, "outputkey $key");
- dbh_do ("update mrjob set output=? where id=?", undef,
- $key, $job_id)
- or Log (undef, "db update failed: ".$DBI::errstr);
- }
- else
- {
- Log (undef, "outputkey undef");
- }
- return $key;
-}
-
-
-sub killem
-{
- foreach (@_)
- {
- my $sig = 2; # SIGINT first
- if (exists $proc{$_}->{"sent_$sig"} &&
- time - $proc{$_}->{"sent_$sig"} > 4)
- {
- $sig = 15; # SIGTERM if SIGINT doesn't work
- }
- if (exists $proc{$_}->{"sent_$sig"} &&
- time - $proc{$_}->{"sent_$sig"} > 4)
- {
- $sig = 9; # SIGKILL if SIGTERM doesn't work
- }
- if (!exists $proc{$_}->{"sent_$sig"})
- {
- Log ($proc{$_}->{jobstep}, "sending 2x signal $sig to pid $_");
- kill $sig, $_;
- select (undef, undef, undef, 0.1);
- if ($sig == 2)
- {
- kill $sig, $_; # srun wants two SIGINT to really interrupt
- }
- $proc{$_}->{"sent_$sig"} = time;
- $proc{$_}->{"killedafter"} = time - $proc{$_}->{"time"};
- }
- }
-}
-
-
-sub fhbits
-{
- my($bits);
- for (@_) {
- vec($bits,fileno($_),1) = 1;
- }
- $bits;
-}
-
-
-sub Log # ($jobstep_id, $logmessage)
-{
- if ($_[1] =~ /\n/) {
- for my $line (split (/\n/, $_[1])) {
- Log ($_[0], $line);
- }
- return;
- }
- my $fh = select STDERR; $|=1; select $fh;
- my $message = sprintf ("%s %d %s %s", $job_id, $$, @_);
- $message =~ s{([^ -\176])}{"\\" . sprintf ("%03o", ord($1))}ge;
- $message .= "\n";
- my $datetime;
- if ($metastream || -t STDERR) {
- my @gmtime = gmtime;
- $datetime = sprintf ("%04d-%02d-%02d_%02d:%02d:%02d",
- $gmtime[5]+1900, $gmtime[4]+1, @gmtime[3,2,1,0]);
- }
- print STDERR ((-t STDERR) ? ($datetime." ".$message) : $message);
-
- return if !$metastream;
- $metastream->write_data ($datetime . " " . $message);
-}
-
-
-sub reconnect_database
-{
- return if !$have_database;
- return if ($dbh && $dbh->do ("select now()"));
- for (1..16)
- {
- $dbh = DBI->connect(@$Warehouse::Server::DatabaseDSN);
- if ($dbh) {
- $dbh->{InactiveDestroy} = 1;
- return;
- }
- warn ($DBI::errstr);
- sleep $_;
- }
- croak ($DBI::errstr) if !$dbh;
-}
-
-
-sub dbh_do
-{
- return 1 if !$have_database;
- my $ret = $dbh->do (@_);
- return $ret unless (!$ret && $DBI::errstr =~ /server has gone away/);
- reconnect_database();
- return $dbh->do (@_);
-}
-
-
-sub croak
-{
- my ($package, $file, $line) = caller;
- my $message = "@_ at $file line $line\n";
- Log (undef, $message);
- freeze() if @jobstep_todo;
- collate_output() if @jobstep_todo;
- cleanup();
- save_meta() if $metastream;
- die;
-}
-
-
-sub cleanup
-{
- return if !$have_database || !$dbh;
-
- reconnect_database();
- my $sth;
- $sth = $dbh->prepare ("update mrjobmanager set finishtime=now() where id=?");
- $sth->execute ($jobmanager_id);
- $sth = $dbh->prepare ("update mrjob set success=0, finishtime=now() where id=? and jobmanager_id=? and finishtime is null");
- $sth->execute ($job_id, $jobmanager_id);
-}
-
-
-sub save_meta
-{
- reconnect_database();
- my $justcheckpoint = shift; # false if this will be the last meta saved
- my $m = $metastream;
- $m = $m->copy if $justcheckpoint;
- $m->write_finish;
- my $key = $m->as_key;
- undef $metastream if !$justcheckpoint; # otherwise Log() will try to use it
- Log (undef, "meta key is $key");
- dbh_do ("update mrjob set metakey=? where id=?",
- undef,
- $key, $job_id);
-}
-
-
-sub freeze_if_want_freeze
-{
- if ($main::please_freeze)
- {
- release_allocation();
- if (@_)
- {
- # kill some srun procs before freeze+stop
- map { $proc{$_} = {} } @_;
- while (%proc)
- {
- killem (keys %proc);
- select (undef, undef, undef, 0.1);
- my $died;
- while (($died = waitpid (-1, WNOHANG)) > 0)
- {
- delete $proc{$died};
- }
- }
- }
- freeze();
- collate_output();
- cleanup();
- save_meta();
- exit 0;
- }
-}
-
-
-sub freeze
-{
- Log (undef, "freeze");
-
- my $freezer = new Warehouse::Stream (whc => $whc);
- $freezer->clear;
- $freezer->name (".");
- $freezer->write_start ("state.txt");
-
- $freezer->write_data (join ("\n",
- "job $Job->{id}",
- map
- {
- $_ . "=" . freezequote($Job->{$_})
- } grep { $_ ne "id" } keys %$Job) . "\n\n");
-
- foreach my $Jobstep (@jobstep)
- {
- my $str = join ("\n",
- map
- {
- $_ . "=" . freezequote ($Jobstep->{$_})
- } grep {
- $_ !~ /^stderr|slotindex|node_fail/
- } keys %$Jobstep);
- $freezer->write_data ($str."\n\n");
- }
- if (@jobstep_tomerge)
- {
- $freezer->write_data
- ("merge $jobstep_tomerge_level "
- . freezequote (join ("\n",
- map { freezequote ($_) } @jobstep_tomerge))
- . "\n\n");
- }
-
- $freezer->write_finish;
- my $frozentokey = $freezer->as_key;
- undef $freezer;
- Log (undef, "frozento key is $frozentokey");
- dbh_do ("update mrjob set frozentokey=? where id=?", undef,
- $frozentokey, $job_id);
- my $kfrozentokey = $whc->store_in_keep (hash => $frozentokey, nnodes => 3);
- Log (undef, "frozento+K key is $kfrozentokey");
- return $frozentokey;
-}
-
-
-sub thaw
-{
- my $key = shift;
- Log (undef, "thaw from $key");
-
- @jobstep = ();
- @jobstep_done = ();
- @jobstep_todo = ();
- @jobstep_tomerge = ();
- $jobstep_tomerge_level = 0;
- my $frozenjob = {};
-
- my $stream = new Warehouse::Stream ( whc => $whc,
- hash => [split (",", $key)] );
- $stream->rewind;
- while (my $dataref = $stream->read_until (undef, "\n\n"))
- {
- if ($$dataref =~ /^job /)
- {
- foreach (split ("\n", $$dataref))
- {
- my ($k, $v) = split ("=", $_, 2);
- $frozenjob->{$k} = freezeunquote ($v);
- }
- next;
- }
-
- if ($$dataref =~ /^merge (\d+) (.*)/)
- {
- $jobstep_tomerge_level = $1;
- @jobstep_tomerge
- = map { freezeunquote ($_) } split ("\n", freezeunquote($2));
- next;
- }
-
- my $Jobstep = { };
- foreach (split ("\n", $$dataref))
- {
- my ($k, $v) = split ("=", $_, 2);
- $Jobstep->{$k} = freezeunquote ($v) if $k;
- }
- $Jobstep->{attempts} = 0;
- push @jobstep, $Jobstep;
-
- if ($Jobstep->{exitcode} eq "0")
- {
- push @jobstep_done, $#jobstep;
- }
- else
- {
- push @jobstep_todo, $#jobstep;
- }
- }
-
- foreach (qw (mrfunction revision inputkey knobs))
- {
- $Job->{$_} = $frozenjob->{$_};
- }
- dbh_do
- ("update mrjob
- set mrfunction=?, revision=?, input0=?, knobs=?
- where id=?", undef,
- $Job->{mrfunction},
- $Job->{revision},
- $Job->{inputkey},
- $Job->{knobs},
- $Job->{id},
- );
-}
-
-
-sub freezequote
-{
- my $s = shift;
- $s =~ s/\\/\\\\/g;
- $s =~ s/\n/\\n/g;
- return $s;
-}
-
-
-sub freezeunquote
-{
- my $s = shift;
- $s =~ s{\\(.)}{$1 eq "n" ? "\n" : $1}ge;
- return $s;
-}
-
-
-sub srun
-{
- my $srunargs = shift;
- my $execargs = shift;
- my $opts = shift || {};
- my $stdin = shift;
- my $args = $have_slurm ? [@$srunargs, @$execargs] : $execargs;
- print STDERR (join (" ",
- map { / / ? "'$_'" : $_ }
- (@$args)),
- "\n")
- if $ENV{MR_DEBUG};
-
- if (defined $stdin) {
- my $child = open STDIN, "-|";
- defined $child or die "no fork: $!";
- if ($child == 0) {
- print $stdin or die $!;
- close STDOUT or die $!;
- exit 0;
- }
- }
-
- return system (@$args) if $opts->{fork};
-
- exec @$args;
- warn "ENV size is ".length(join(" ",%ENV));
- die "exec failed: $!: @$args";
-}
-
-
-sub ban_node_by_slot {
- # Don't start any new jobsteps on this node for 60 seconds
- my $slotid = shift;
- $slot[$slotid]->{node}->{hold_until} = 60 + scalar time;
- Log (undef, "backing off node " . $slot[$slotid]->{node}->{name} . " for 60 seconds");
-}
projects / arvados.git / blobdiff