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
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')
+def sub_outdir(v):
+ return outdir
+
def sub_cores(v):
- return os.environ['CRUNCH_NODE_SLOTS']
+ 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["tmpdir"] = sub_tmpdir
+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
-
-rcode = 1
+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(
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()
rcode = sp.wait()
if sig.sig != None:
- print("run-command: terminating on signal %s" % sig.sig)
+ logging.critical("terminating on signal %s" % sig.sig)
sys.exit(2)
else:
- print("run-command: completed with exit code %i (%s)" % (rcode, "success" if rcode == 0 else "failed"))
+ logging.info("completed with exit code %i (%s)" % (rcode, "success" if rcode == 0 else "failed"))
except Exception as e:
- print("run-command: caught exception: {}".format(e))
+ logging.exception("caught exception")
# restore default signal handlers.
signal.signal(signal.SIGINT, signal.SIG_DFL)
for l in links:
os.unlink(l)
-print("run-command: the follow output files will be saved to keep:")
+logging.info("the following output files will be saved to keep:")
-subprocess.call(["find", ".", "-type", "f", "-printf", "run-command: %12.12s %h/%f\\n"])
+subprocess.call(["find", ".", "-type", "f", "-printf", "run-command: %12.12s %h/%f\\n"], stdout=sys.stderr)
-print("run-command: start writing output to keep")
+logging.info("start writing output to keep")
done = False
resume_cache = put.ResumeCache(os.path.join(arvados.current_task().tmpdir, "upload-output-checkpoint"))
}).execute()
done = True
except KeyboardInterrupt:
- print("run-command: terminating on signal 2")
+ logging.critical("terminating on signal 2")
sys.exit(2)
except Exception as e:
- print("run-command: caught exception: {}".format(e))
+ logging.exception("caught exception:")
time.sleep(5)
sys.exit(rcode)