#!/usr/bin/env python
+import logging
+logging.basicConfig(level=logging.INFO, format="run-command: %(message)s")
+
import arvados
import re
import os
import subprocess
import sys
import shutil
-import subst
+import crunchutil.subst as subst
+import time
+import arvados.commands.put as put
+import signal
+import stat
+import copy
+import traceback
+import pprint
+import multiprocessing
+import crunchutil.robust_put as robust_put
+import crunchutil.vwd as vwd
os.umask(0077)
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)
- 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["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
+
+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 is not 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
+stdinname = None
+stdinfile = 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 is not 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()
+ if "task.vwd" in jobp:
+ # Base vwd collection will be merged with output fragments from
+ # the other tasks by crunch.
+ arvados.current_task().set_output(subst.do_substitution(jobp, jobp["task.vwd"]))
+ else:
+ arvados.current_task().set_output(None)
+ sys.exit(0)
+ else:
+ sys.exit(1)
+ else:
+ taskp = jobp
+
+ if "task.vwd" in taskp:
+ # Populate output directory with symlinks to files in collection
+ vwd.checkout(subst.do_substitution(taskp, taskp["task.vwd"]), outdir)
+
+ if "task.cwd" in taskp:
+ os.chdir(subst.do_substitution(taskp, taskp["task.cwd"]))
+
+ cmd = expand_list(taskp, taskp["command"])
+
+ if "task.stdin" in taskp:
+ stdinname = subst.do_substitution(taskp, taskp["task.stdin"])
+ stdinfile = open(stdinname, "rb")
+
+ if "task.stdout" in taskp:
+ stdoutname = subst.do_substitution(taskp, taskp["task.stdout"])
stdoutfile = open(stdoutname, "wb")
- print("run-command {}{}".format(' '.join(cmd), (" > " + stdoutname) if stdoutname != None else ""))
+ logging.info("{}{}{}".format(' '.join(cmd), (" < " + stdinname) if stdinname is not None else "", (" > " + stdoutname) if stdoutname is not 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, stdin=stdinfile, 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 is not 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))
+ logging.exception("caught exception")
-finally:
- for l in links:
- os.unlink(l)
+# 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)
- print("run-command output:")
+for l in links:
+ os.unlink(l)
- subprocess.call(["find", "."])
+logging.info("the following output files will be saved to keep:")
- print("run-command writing to keep")
+subprocess.call(["find", ".", "-type", "f", "-printf", "run-command: %12.12s %h/%f\\n"], stdout=sys.stderr)
- 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()
+logging.info("start writing output to keep")
-if rcode == 0:
- os.chdir("..")
- shutil.rmtree("tmpdir")
- shutil.rmtree("output")
- print("run-command success")
+if "task.vwd" in taskp:
+ if "task.foreach" in jobp:
+ # This is a subtask, so don't merge with the original collection, that will happen at the end
+ outcollection = vwd.checkin(subst.do_substitution(taskp, taskp["task.vwd"]), outdir, merge=False).manifest_text()
+ else:
+ # Just a single task, so do merge with the original collection
+ outcollection = vwd.checkin(subst.do_substitution(taskp, taskp["task.vwd"]), outdir, merge=True).manifest_text()
else:
- print("run-command failed")
+ outcollection = robust_put.upload(outdir)
+
+api.job_tasks().update(uuid=arvados.current_task()['uuid'],
+ body={
+ 'output': outcollection,
+ 'success': (rcode == 0),
+ 'progress':1.0
+ }).execute()
sys.exit(rcode)
projects / arvados.git / blobdiff