X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/7f67cf41cb8f834debddc5c2a26abdd72e6278d4..c5be0c3abd926adc54e0c1de65e8dfdd25a84ea1:/crunch_scripts/run-command diff --git a/crunch_scripts/run-command b/crunch_scripts/run-command index 3fcbe2a2c3..7d77248674 100755 --- a/crunch_scripts/run-command +++ b/crunch_scripts/run-command @@ -7,84 +7,219 @@ import subprocess import sys import shutil import subst +import time +import arvados.commands.put as put +import signal +import stat +import copy +import traceback +import pprint +import multiprocessing +import logging os.umask(0077) +logging.basicConfig(format="run-command: %(message)s") t = arvados.current_task().tmpdir +api = arvados.api('v1') + os.chdir(arvados.current_task().tmpdir) os.mkdir("tmpdir") os.mkdir("output") os.chdir("output") +outdir = os.getcwd() + +taskp = None +jobp = arvados.current_job()['script_parameters'] if len(arvados.current_task()['parameters']) > 0: - p = arvados.current_task()['parameters'] -else: - p = arvados.current_job()['script_parameters'] + taskp = arvados.current_task()['parameters'] links = [] def sub_link(v): - r = os.path.basename(v) - os.symlink(os.path.join(os.environ['TASK_KEEPMOUNT'], v) , r) + r = os.path.join(outdir, os.path.basename(v)) + os.symlink(v, r) links.append(r) return r def sub_tmpdir(v): return os.path.join(arvados.current_task().tmpdir, 'tmpdir') -subst.default_subs["link "] = sub_link -subst.default_subs["tmpdir"] = sub_tmpdir +def sub_outdir(v): + return outdir + +def sub_cores(v): + return str(multiprocessing.cpu_count()) + +def sub_jobid(v): + return os.environ['JOB_UUID'] + +def sub_taskid(v): + return os.environ['TASK_UUID'] + +def sub_jobsrc(v): + return os.environ['CRUNCH_SRC'] +subst.default_subs["link "] = sub_link +subst.default_subs["task.tmpdir"] = sub_tmpdir +subst.default_subs["task.outdir"] = sub_outdir +subst.default_subs["job.srcdir"] = sub_jobsrc +subst.default_subs["node.cores"] = sub_cores +subst.default_subs["job.uuid"] = sub_jobid +subst.default_subs["task.uuid"] = sub_taskid + +def machine_progress(bytes_written, bytes_expected): + return "run-command: wrote {} total {}\n".format( + bytes_written, -1 if (bytes_expected is None) else bytes_expected) + +class SigHandler(object): + def __init__(self): + self.sig = None + + def send_signal(self, sp, signum): + sp.send_signal(signum) + self.sig = signum + +def expand_item(p, c): + if isinstance(c, dict): + if "foreach" in c and "command" in c: + var = c["foreach"] + items = get_items(p, p[var]) + r = [] + for i in items: + params = copy.copy(p) + params[var] = i + r.extend(expand_list(params, c["command"])) + return r + elif isinstance(c, list): + return expand_list(p, c) + elif isinstance(c, str) or isinstance(c, unicode): + return [subst.do_substitution(p, c)] + + return [] + +def expand_list(p, l): + return [exp for arg in l for exp in expand_item(p, arg)] + +def get_items(p, value): + if isinstance(value, list): + return expand_list(p, value) + + fn = subst.do_substitution(p, value) + mode = os.stat(fn).st_mode + prefix = fn[len(os.environ['TASK_KEEPMOUNT'])+1:] + if mode != None: + if stat.S_ISDIR(mode): + items = ["$(dir %s/%s/)" % (prefix, l) for l in os.listdir(fn)] + elif stat.S_ISREG(mode): + with open(fn) as f: + items = [line for line in f] + return items + else: + return None + +stdoutname = None +stdoutfile = None rcode = 1 try: - cmd = [] - for c in p["command"]: - cmd.append(subst.do_substitution(p, c)) - - stdoutname = None - stdoutfile = None - if "stdout" in p: - stdoutname = subst.do_substitution(p, p["stdout"]) + if "task.foreach" in jobp: + if arvados.current_task()['sequence'] == 0: + var = jobp["task.foreach"] + items = get_items(jobp, jobp[var]) + logging.info("parallelizing on %s with items %s" % (var, items)) + if items != None: + for i in items: + params = copy.copy(jobp) + params[var] = i + arvados.api().job_tasks().create(body={ + 'job_uuid': arvados.current_job()['uuid'], + 'created_by_job_task_uuid': arvados.current_task()['uuid'], + 'sequence': 1, + 'parameters': params + } + ).execute() + arvados.current_task().set_output(None) + sys.exit(0) + else: + sys.exit(1) + else: + taskp = jobp + + cmd = expand_list(taskp, taskp["command"]) + + if "save.stdout" in taskp: + stdoutname = subst.do_substitution(taskp, taskp["save.stdout"]) stdoutfile = open(stdoutname, "wb") - print("run-command {}{}".format(' '.join(cmd), (" > " + stdoutname) if stdoutname != None else "")) + logging.info("{}{}".format(' '.join(cmd), (" > " + stdoutname) if stdoutname != None else "")) + +except Exception as e: + logging.exception("caught exception") + logging.error("task parameters was:") + logging.error(pprint.pformat(taskp)) + sys.exit(1) + +try: + sp = subprocess.Popen(cmd, shell=False, stdout=stdoutfile) + sig = SigHandler() + + # forward signals to the process. + signal.signal(signal.SIGINT, lambda signum, frame: sig.send_signal(sp, signum)) + signal.signal(signal.SIGTERM, lambda signum, frame: sig.send_signal(sp, signum)) + signal.signal(signal.SIGQUIT, lambda signum, frame: sig.send_signal(sp, signum)) - rcode = subprocess.call(cmd, stdout=stdoutfile) + # wait for process to complete. + rcode = sp.wait() - print("run-command completed with exit code %i" % rcode) + if sig.sig != None: + logging.critical("terminating on signal %s" % sig.sig) + sys.exit(2) + else: + logging.info("completed with exit code %i (%s)" % (rcode, "success" if rcode == 0 else "failed")) except Exception as e: - print("run-command exception: {}".format(e)) - -finally: - for l in links: - os.unlink(l) - - print("run-command output:") - - subprocess.call(["find", ".", "-type", "f", "-printf", "run-command %12.12s %h/%f\\\n"]) - - print("run-command writing to keep") - - out = arvados.CollectionWriter() - out.write_directory_tree(".", max_manifest_depth=0) - outuuid = out.finish() - arvados.api('v1').job_tasks().update(uuid=arvados.current_task()['uuid'], - body={ - 'output':outuuid, - 'success': (rcode == 0), - 'progress':1.0 - }).execute() - -if rcode == 0: - os.chdir("..") - shutil.rmtree("tmpdir") - shutil.rmtree("output") - print("run-command success") -else: - print("run-command failed") + logging.exception("caught exception") + +# restore default signal handlers. +signal.signal(signal.SIGINT, signal.SIG_DFL) +signal.signal(signal.SIGTERM, signal.SIG_DFL) +signal.signal(signal.SIGQUIT, signal.SIG_DFL) + +for l in links: + os.unlink(l) + +logging.info("the following output files will be saved to keep:") + +subprocess.call(["find", ".", "-type", "f", "-printf", "run-command: %12.12s %h/%f\\n"], stdout=sys.stderr) + +logging.info("start writing output to keep") + +done = False +resume_cache = put.ResumeCache(os.path.join(arvados.current_task().tmpdir, "upload-output-checkpoint")) +reporter = put.progress_writer(machine_progress) +bytes_expected = put.expected_bytes_for(".") +while not done: + try: + out = put.ArvPutCollectionWriter.from_cache(resume_cache, reporter, bytes_expected) + out.do_queued_work() + out.write_directory_tree(".", max_manifest_depth=0) + outuuid = out.finish() + api.job_tasks().update(uuid=arvados.current_task()['uuid'], + body={ + 'output':outuuid, + 'success': (rcode == 0), + 'progress':1.0 + }).execute() + done = True + except KeyboardInterrupt: + logging.critical("terminating on signal 2") + sys.exit(2) + except Exception as e: + logging.exception("caught exception:") + time.sleep(5) sys.exit(rcode)