use POSIX qw(strftime);
use Fcntl qw(F_GETFL F_SETFL O_NONBLOCK);
use Arvados;
+use Cwd qw(realpath);
use Data::Dumper;
use Digest::MD5 qw(md5_hex);
use Getopt::Long;
$Job->{'runtime_constraints'}->{'max_tasks_per_node'} ||= 0;
my $max_ncpus = $Job->{'runtime_constraints'}->{'max_tasks_per_node'};
+my $gem_versions = `gem list --quiet arvados-cli 2>/dev/null`;
+if ($? == 0) {
+ $gem_versions =~ s/^arvados-cli \(/ with arvados-cli Gem version(s) /;
+ chomp($gem_versions);
+ chop($gem_versions); # Closing parentheses
+} else {
+ $gem_versions = "";
+}
+Log(undef,
+ "running from " . ((-e $0) ? realpath($0) : "stdin") . $gem_versions);
Log (undef, "check slurm allocation");
my @slot;
must_lock_now("$ENV{CRUNCH_TMP}/.lock", "a job is already running here.");
}
-
-my $build_script;
-do {
- local $/ = undef;
- $build_script = <DATA>;
-};
+my $build_script = handle_readall(\*DATA);
my $nodelist = join(",", @node);
+my $git_tar_count = 0;
if (!defined $no_clear_tmp) {
# Clean out crunch_tmp/work, crunch_tmp/opt, crunch_tmp/src*
my $cleanpid = fork();
if ($cleanpid == 0)
{
+ # Find FUSE mounts that look like Keep mounts (the mount path has the
+ # word "keep") and unmount them. Then clean up work directories.
+ # TODO: When #5036 is done and widely deployed, we can get rid of the
+ # regular expression and just unmount everything with type fuse.keep.
srun (["srun", "--nodelist=$nodelist", "-D", $ENV{'TMPDIR'}],
- ['bash', '-c', 'if mount | grep -q $JOB_WORK/; then for i in $JOB_WORK/*keep $CRUNCH_TMP/task/*.keep; do /bin/fusermount -z -u $i; done; fi; sleep 1; rm -rf $JOB_WORK $CRUNCH_INSTALL $CRUNCH_TMP/task $CRUNCH_TMP/src*']);
+ ['bash', '-ec', 'mount -t fuse,fuse.keep | awk \'($3 ~ /\ykeep\y/){print $3}\' | xargs -r -n 1 fusermount -u -z; sleep 1; rm -rf $JOB_WORK $CRUNCH_INSTALL $CRUNCH_TMP/task $CRUNCH_TMP/src*']);
exit (1);
}
while (1)
Log (undef, "Cleanup command exited ".exit_status_s($?));
}
+# If this job requires a Docker image, install that.
+my $docker_bin = "/usr/bin/docker.io";
+my ($docker_locator, $docker_stream, $docker_hash);
+if ($docker_locator = $Job->{docker_image_locator}) {
+ ($docker_stream, $docker_hash) = find_docker_image($docker_locator);
+ if (!$docker_hash)
+ {
+ croak("No Docker image hash found from locator $docker_locator");
+ }
+ $docker_stream =~ s/^\.//;
+ my $docker_install_script = qq{
+if ! $docker_bin images -q --no-trunc | grep -qxF \Q$docker_hash\E; then
+ arv-get \Q$docker_locator$docker_stream/$docker_hash.tar\E | $docker_bin load
+fi
+};
+ my $docker_pid = fork();
+ if ($docker_pid == 0)
+ {
+ srun (["srun", "--nodelist=" . join(',', @node)],
+ ["/bin/sh", "-ec", $docker_install_script]);
+ exit ($?);
+ }
+ while (1)
+ {
+ last if $docker_pid == waitpid (-1, WNOHANG);
+ freeze_if_want_freeze ($docker_pid);
+ select (undef, undef, undef, 0.1);
+ }
+ if ($? != 0)
+ {
+ croak("Installing Docker image from $docker_locator exited "
+ .exit_status_s($?));
+ }
+
+ if ($Job->{arvados_sdk_version}) {
+ # The job also specifies an Arvados SDK version. Add the SDKs to the
+ # tar file for the build script to install.
+ Log(undef, sprintf("Packing Arvados SDK version %s for installation",
+ $Job->{arvados_sdk_version}));
+ add_git_archive("git", "--git-dir=$git_dir", "archive",
+ "--prefix=.arvados.sdk/",
+ $Job->{arvados_sdk_version}, "sdk");
+ }
+}
-my $git_archive;
if (!defined $git_dir && $Job->{'script_version'} =~ m{^/}) {
# If script_version looks like an absolute path, *and* the --git-dir
# argument was not given -- which implies we were not invoked by
}
$ENV{"CRUNCH_SRC_COMMIT"} = $commit;
- $git_archive = `$gitcmd archive ''\Q$commit\E`;
- if ($?) {
- croak("Error: $gitcmd archive exited ".exit_status_s($?));
- }
+ add_git_archive("$gitcmd archive ''\Q$commit\E");
}
+my $git_archive = combined_git_archive();
if (!defined $git_archive) {
Log(undef, "Skip install phase (no git archive)");
if ($have_slurm) {
}
my $install_exited = $?;
Log (undef, "Install script exited ".exit_status_s($install_exited));
- exit (1) if $install_exited != 0;
-}
-
-if (!$have_slurm)
-{
- # Grab our lock again (we might have deleted and re-created CRUNCH_TMP above)
- must_lock_now("$ENV{CRUNCH_TMP}/.lock", "a job is already running here.");
-}
-
-# If this job requires a Docker image, install that.
-my $docker_bin = "/usr/bin/docker.io";
-my ($docker_locator, $docker_stream, $docker_hash);
-if ($docker_locator = $Job->{docker_image_locator}) {
- ($docker_stream, $docker_hash) = find_docker_image($docker_locator);
- if (!$docker_hash)
- {
- croak("No Docker image hash found from locator $docker_locator");
- }
- $docker_stream =~ s/^\.//;
- my $docker_install_script = qq{
-if ! $docker_bin images -q --no-trunc | grep -qxF \Q$docker_hash\E; then
- arv-get \Q$docker_locator$docker_stream/$docker_hash.tar\E | $docker_bin load
-fi
-};
- my $docker_pid = fork();
- if ($docker_pid == 0)
- {
- srun (["srun", "--nodelist=" . join(',', @node)],
- ["/bin/sh", "-ec", $docker_install_script]);
- exit ($?);
- }
- while (1)
- {
- last if $docker_pid == waitpid (-1, WNOHANG);
- freeze_if_want_freeze ($docker_pid);
- select (undef, undef, undef, 0.1);
- }
- if ($? != 0)
- {
- croak("Installing Docker image from $docker_locator exited "
- .exit_status_s($?));
+ foreach my $tar_filename (map { tar_filename_n($_); } (1..$git_tar_count)) {
+ unlink($tar_filename);
}
+ exit (1) if $install_exited != 0;
}
foreach (qw (script script_version script_parameters runtime_constraints))
return $output_block;
}
-# create_output_collections generates a new collection containing the
-# output of each successfully completed task, and returns the
-# portable_data_hash for the new collection.
-#
+# Create a collection by concatenating the output of all tasks (each
+# task's output is either a manifest fragment, a locator for a
+# manifest fragment stored in Keep, or nothing at all). Return the
+# portable_data_hash of the new collection.
sub create_output_collection
{
Log (undef, "collate");
'.execute()["portable_data_hash"]'
);
+ my $task_idx = -1;
for (@jobstep)
{
- next if (!exists $_->{'arvados_task'}->{'output'} ||
- !$_->{'arvados_task'}->{'success'});
+ ++$task_idx;
+ next unless exists $_->{'arvados_task'}->{'output'};
my $output = $_->{'arvados_task'}->{output};
if ($output !~ /^[0-9a-f]{32}(\+\S+)*$/)
{
}
else
{
- Log (undef, "XXX fetch_block($output) failed XXX");
+ my $uuid = $_->{'arvados_task'}->{'uuid'};
+ Log (undef, "Error retrieving '$output' output by task $task_idx ($uuid)");
$main::success = 0;
}
}
return $s;
}
+sub handle_readall {
+ # Pass in a glob reference to a file handle.
+ # Read all its contents and return them as a string.
+ my $fh_glob_ref = shift;
+ local $/ = undef;
+ return <$fh_glob_ref>;
+}
+
+sub tar_filename_n {
+ my $n = shift;
+ return sprintf("%s/git.%s.%d.tar", $ENV{CRUNCH_TMP}, $job_id, $n);
+}
+
+sub add_git_archive {
+ # Pass in a git archive command as a string or list, a la system().
+ # This method will save its output to be included in the archive sent to the
+ # build script.
+ my $git_input;
+ $git_tar_count++;
+ if (!open(GIT_ARCHIVE, ">", tar_filename_n($git_tar_count))) {
+ croak("Failed to save git archive: $!");
+ }
+ my $git_pid = open2(">&GIT_ARCHIVE", $git_input, @_);
+ close($git_input);
+ waitpid($git_pid, 0);
+ close(GIT_ARCHIVE);
+ if ($?) {
+ croak("Failed to save git archive: git exited " . exit_status_s($?));
+ }
+}
+
+sub combined_git_archive {
+ # Combine all saved tar archives into a single archive, then return its
+ # contents in a string. Return undef if no archives have been saved.
+ if ($git_tar_count < 1) {
+ return undef;
+ }
+ my $base_tar_name = tar_filename_n(1);
+ foreach my $tar_to_append (map { tar_filename_n($_); } (2..$git_tar_count)) {
+ my $tar_exit = system("tar", "-Af", $base_tar_name, $tar_to_append);
+ if ($tar_exit != 0) {
+ croak("Error preparing build archive: tar -A exited " .
+ exit_status_s($tar_exit));
+ }
+ }
+ if (!open(GIT_TAR, "<", $base_tar_name)) {
+ croak("Could not open build archive: $!");
+ }
+ my $tar_contents = handle_readall(\*GIT_TAR);
+ close(GIT_TAR);
+ return $tar_contents;
+}
+
__DATA__
#!/usr/bin/perl
-
-# checkout-and-build
+#
+# This is crunch-job's internal dispatch script. crunch-job running on the API
+# server invokes this script on individual compute nodes, or localhost if we're
+# running a job locally. It gets called in two modes:
+#
+# * No arguments: Installation mode. Read a tar archive from the DATA
+# file handle; it includes the Crunch script's source code, and
+# maybe SDKs as well. Those should be installed in the proper
+# locations. This runs outside of any Docker container, so don't try to
+# introspect Crunch's runtime environment.
+#
+# * With arguments: Crunch script run mode. This script should set up the
+# environment, then run the command specified in the arguments. This runs
+# inside any Docker container.
use Fcntl ':flock';
use File::Path qw( make_path remove_tree );
+use POSIX qw(getcwd);
+
+# Map SDK subdirectories to the path environments they belong to.
+my %SDK_ENVVARS = ("perl/lib" => "PERLLIB", "ruby/lib" => "RUBYLIB");
my $destdir = $ENV{"CRUNCH_SRC"};
my $commit = $ENV{"CRUNCH_SRC_COMMIT"};
my $repo = $ENV{"CRUNCH_SRC_URL"};
+my $install_dir = $ENV{"CRUNCH_INSTALL"} || (getcwd() . "/opt");
my $job_work = $ENV{"JOB_WORK"};
my $task_work = $ENV{"TASK_WORK"};
remove_tree($task_work, {keep_root => 1});
}
-my @git_archive_data = <DATA>;
-if (!@git_archive_data) {
- # Nothing to extract -> nothing to install.
- run_argv_and_exit();
+open(STDOUT_ORIG, ">&", STDOUT);
+open(STDERR_ORIG, ">&", STDERR);
+open(STDOUT, ">>", "$destdir.log");
+open(STDERR, ">&", STDOUT);
+
+### Crunch script run mode
+if (@ARGV) {
+ # We want to do routine logging during task 0 only. This gives the user
+ # the information they need, but avoids repeating the information for every
+ # task.
+ my $Log;
+ if ($ENV{TASK_SEQUENCE} eq "0") {
+ $Log = sub {
+ my $msg = shift;
+ printf STDERR_ORIG "[Crunch] $msg\n", @_;
+ };
+ } else {
+ $Log = sub { };
+ }
+
+ my $python_src = "$install_dir/python";
+ my $venv_dir = "$job_work/.arvados.venv";
+ my $venv_built = -e "$venv_dir/bin/activate";
+ if ((!$venv_built) and (-d $python_src) and can_run("virtualenv")) {
+ shell_or_die("virtualenv", "--quiet", "--system-site-packages",
+ "--python=python2.7", $venv_dir);
+ shell_or_die("$venv_dir/bin/pip", "--quiet", "install", "-I", $python_src);
+ $venv_built = 1;
+ $Log->("Built Python SDK virtualenv");
+ }
+
+ my $pip_bin = "pip";
+ if ($venv_built) {
+ $Log->("Running in Python SDK virtualenv");
+ $pip_bin = "$venv_dir/bin/pip";
+ my $orig_argv = join(" ", map { quotemeta($_); } @ARGV);
+ @ARGV = ("/bin/sh", "-ec",
+ ". \Q$venv_dir/bin/activate\E; exec $orig_argv");
+ } elsif (-d $python_src) {
+ $Log->("Warning: virtualenv not found inside Docker container default " .
+ "\$PATH. Can't install Python SDK.");
+ }
+
+ my $pkgs = `(\Q$pip_bin\E freeze 2>/dev/null | grep arvados) || dpkg-query --show '*arvados*'`;
+ if ($pkgs) {
+ $Log->("Using Arvados SDK:");
+ foreach my $line (split /\n/, $pkgs) {
+ $Log->($line);
+ }
+ } else {
+ $Log->("Arvados SDK packages not found");
+ }
+
+ while (my ($sdk_dir, $sdk_envkey) = each(%SDK_ENVVARS)) {
+ my $sdk_path = "$install_dir/$sdk_dir";
+ if (-d $sdk_path) {
+ if ($ENV{$sdk_envkey}) {
+ $ENV{$sdk_envkey} = "$sdk_path:" . $ENV{$sdk_envkey};
+ } else {
+ $ENV{$sdk_envkey} = $sdk_path;
+ }
+ $Log->("Arvados SDK added to %s", $sdk_envkey);
+ }
+ }
+
+ close(STDOUT);
+ close(STDERR);
+ open(STDOUT, ">&", STDOUT_ORIG);
+ open(STDERR, ">&", STDERR_ORIG);
+ exec(@ARGV);
+ die "Cannot exec `@ARGV`: $!";
}
+### Installation mode
open L, ">", "$destdir.lock" or die "$destdir.lock: $!";
flock L, LOCK_EX;
if (readlink ("$destdir.commit") eq $commit && -d $destdir) {
# This version already installed -> nothing to do.
- run_argv_and_exit();
+ exit(0);
}
unlink "$destdir.commit";
-open STDERR_ORIG, ">&STDERR";
-open STDOUT, ">", "$destdir.log";
-open STDERR, ">&STDOUT";
-
mkdir $destdir;
-open TARX, "|-", "tar", "-C", $destdir, "-xf", "-";
-print TARX @git_archive_data;
+
+if (!open(TARX, "|-", "tar", "-xC", $destdir)) {
+ die "Error launching 'tar -xC $destdir': $!";
+}
+# If we send too much data to tar in one write (> 4-5 MiB), it stops, and we
+# get SIGPIPE. We must feed it data incrementally.
+my $tar_input;
+while (read(DATA, $tar_input, 65536)) {
+ print TARX $tar_input;
+}
if(!close(TARX)) {
- die "'tar -C $destdir -xf -' exited $?: $!";
+ die "'tar -xC $destdir' exited $?: $!";
}
-my $pwd;
-chomp ($pwd = `pwd`);
-my $install_dir = $ENV{"CRUNCH_INSTALL"} || "$pwd/opt";
mkdir $install_dir;
-for my $src_path ("$destdir/arvados/sdk/python") {
- if (-d $src_path) {
- shell_or_die ("virtualenv", $install_dir);
- shell_or_die ("cd $src_path && ./build.sh && $install_dir/bin/python setup.py install");
+my $sdk_root = "$destdir/.arvados.sdk/sdk";
+if (-d $sdk_root) {
+ foreach my $sdk_lang (("python",
+ map { (split /\//, $_, 2)[0]; } keys(%SDK_ENVVARS))) {
+ if (-d "$sdk_root/$sdk_lang") {
+ if (!rename("$sdk_root/$sdk_lang", "$install_dir/$sdk_lang")) {
+ die "Failed to install $sdk_lang SDK: $!";
+ }
+ }
}
}
+my $python_dir = "$install_dir/python";
+if ((-d $python_dir) and can_run("python2.7") and
+ (system("python2.7", "$python_dir/setup.py", "--quiet", "egg_info") != 0)) {
+ # egg_info failed, probably when it asked git for a build tag.
+ # Specify no build tag.
+ open(my $pysdk_cfg, ">>", "$python_dir/setup.cfg");
+ print $pysdk_cfg "\n[egg_info]\ntag_build =\n";
+ close($pysdk_cfg);
+}
+
if (-e "$destdir/crunch_scripts/install") {
shell_or_die ("$destdir/crunch_scripts/install", $install_dir);
} elsif (!-e "./install.sh" && -e "./tests/autotests.sh") {
close L;
-run_argv_and_exit();
-
-sub run_argv_and_exit
-{
- if (@ARGV) {
- exec(@ARGV);
- die "Cannot exec `@ARGV`: $!";
- } else {
- exit 0;
- }
+sub can_run {
+ my $command_name = shift;
+ open(my $which, "-|", "which", $command_name);
+ while (<$which>) { }
+ close($which);
+ return ($? == 0);
}
sub shell_or_die
projects / arvados.git / blobdiff