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artiq
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Merge branch 'worker_pipeipc'

This commit is contained in:
Sebastien Bourdeauducq 2016-01-27 19:37:06 +01:00
parent 3d9fc7a51f be5162d60f
commit b753306f12
9 changed files with 173 additions and 139 deletions
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27
artiq/frontend/artiq_ctlmgr.py
View File

@ -12,8 +12,7 @@ import platform
from artiq.protocols.sync_struct import Subscriber
from artiq.protocols.pc_rpc import AsyncioClient, Server
from artiq.protocols.logging import (LogForwarder,
parse_log_message, log_with_name,
from artiq.protocols.logging import (LogForwarder, LogParser,
SourceFilter)
from artiq.tools import *
@ -79,22 +78,8 @@ class Controller:
else:
break
async def forward_logs(self, stream):
source = "controller({})".format(self.name)
while True:
try:
entry = (await stream.readline())
if not entry:
break
entry = entry[:-1]
level, name, message = parse_log_message(entry.decode())
log_with_name(name, level, message, extra={"source": source})
except:
logger.debug("exception in log forwarding", exc_info=True)
break
logger.debug("stopped log forwarding of stream %s of %s",
stream, self.name)
def _get_log_source(self):
return "controller({})".format(self.name)
async def launcher(self):
try:
@ -105,9 +90,11 @@ class Controller:
self.process = await asyncio.create_subprocess_exec(
*shlex.split(self.command),
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
asyncio.ensure_future(self.forward_logs(
asyncio.ensure_future(
LogParser(self._get_log_source).stream_task(
self.process.stdout))
asyncio.ensure_future(self.forward_logs(
asyncio.ensure_future(
LogParser(self._get_log_source).stream_task(
self.process.stderr))
await self._wait_and_ping()
except FileNotFoundError:

8
artiq/frontend/artiq_master.py
View File

@ -9,7 +9,7 @@ from artiq.tools import *
from artiq.protocols.pc_rpc import Server as RPCServer
from artiq.protocols.sync_struct import Publisher
from artiq.protocols.logging import Server as LoggingServer
from artiq.master.log import log_args, init_log, log_worker
from artiq.master.log import log_args, init_log
from artiq.master.databases import DeviceDB, DatasetDB
from artiq.master.scheduler import Scheduler
from artiq.master.worker_db import get_last_rid
@ -63,8 +63,7 @@ def main():
repo_backend = GitBackend(args.repository)
else:
repo_backend = FilesystemBackend(args.repository)
experiment_db = ExperimentDB(repo_backend, device_db.get_device_db,
log_worker)
experiment_db = ExperimentDB(repo_backend, device_db.get_device_db)
atexit.register(experiment_db.close)
experiment_db.scan_repository_async()
@ -72,8 +71,7 @@ def main():
"get_device_db": device_db.get_device_db,
"get_device": device_db.get,
"get_dataset": dataset_db.get,
"update_dataset": dataset_db.update,
"log": log_worker
"update_dataset": dataset_db.update
}
scheduler = Scheduler(get_last_rid() + 1, worker_handlers, experiment_db)
worker_handlers.update({

29
artiq/master/experiments.py
View File

@ -3,7 +3,6 @@ import os
import tempfile
import shutil
import logging
from functools import partial
from artiq.protocols.sync_struct import Notifier
from artiq.master.worker import (Worker, WorkerInternalException,
@ -15,13 +14,10 @@ logger = logging.getLogger(__name__)
async def _get_repository_entries(entry_dict,
root, filename, get_device_db, log):
worker = Worker({
"get_device_db": get_device_db,
"log": partial(log, "scan", os.path.basename(filename))
})
root, filename, get_device_db):
worker = Worker({"get_device_db": get_device_db})
try:
description = await worker.examine(os.path.join(root, filename))
description = await worker.examine("scan", os.path.join(root, filename))
except:
log_worker_exception()
raise
@ -49,7 +45,7 @@ async def _get_repository_entries(entry_dict,
entry_dict[name] = entry
async def _scan_experiments(root, get_device_db, log, subdir=""):
async def _scan_experiments(root, get_device_db, subdir=""):
entry_dict = dict()
for de in os.scandir(os.path.join(root, subdir)):
if de.name.startswith("."):
@ -58,13 +54,13 @@ async def _scan_experiments(root, get_device_db, log, subdir=""):
filename = os.path.join(subdir, de.name)
try:
await _get_repository_entries(
entry_dict, root, filename, get_device_db, log)
entry_dict, root, filename, get_device_db)
except Exception as exc:
logger.warning("Skipping file '%s'", filename,
exc_info=not isinstance(exc, WorkerInternalException))
if de.is_dir():
subentries = await _scan_experiments(
root, get_device_db, log,
root, get_device_db,
os.path.join(subdir, de.name))
entries = {de.name + "/" + k: v for k, v in subentries.items()}
entry_dict.update(entries)
@ -81,10 +77,9 @@ def _sync_explist(target, source):
class ExperimentDB:
def __init__(self, repo_backend, get_device_db_fn, log_fn):
def __init__(self, repo_backend, get_device_db_fn):
self.repo_backend = repo_backend
self.get_device_db_fn = get_device_db_fn
self.log_fn = log_fn
self.cur_rev = self.repo_backend.get_head_rev()
self.repo_backend.request_rev(self.cur_rev)
@ -106,8 +101,7 @@ class ExperimentDB:
wd, _ = self.repo_backend.request_rev(new_cur_rev)
self.repo_backend.release_rev(self.cur_rev)
self.cur_rev = new_cur_rev
new_explist = await _scan_experiments(wd, self.get_device_db_fn,
self.log_fn)
new_explist = await _scan_experiments(wd, self.get_device_db_fn)
_sync_explist(self.explist, new_explist)
finally:
@ -122,12 +116,9 @@ class ExperimentDB:
revision = self.cur_rev
wd, _ = self.repo_backend.request_rev(revision)
filename = os.path.join(wd, filename)
worker = Worker({
"get_device_db": self.get_device_db_fn,
"log": partial(self.log_fn, "examine", os.path.basename(filename))
})
worker = Worker({"get_device_db": self.get_device_db_fn})
try:
description = await worker.examine(filename)
description = await worker.examine("examine", filename)
finally:
await worker.close()
if use_repository:

10
artiq/master/log.py
View File

@ -2,7 +2,7 @@ import logging
import logging.handlers
from artiq.protocols.sync_struct import Notifier
from artiq.protocols.logging import parse_log_message, log_with_name, SourceFilter
from artiq.protocols.logging import SourceFilter
class LogBuffer:
@ -28,14 +28,6 @@ class LogBufferHandler(logging.Handler):
self.log_buffer.log(record.levelno, record.source, record.created,
part)
def log_worker(rid, filename, message):
level, name, message = parse_log_message(message)
log_with_name(name, level, message,
extra={"source": "worker({},{})".format(rid, filename)})
log_worker.worker_pass_runinfo = True
def log_args(parser):
group = parser.add_argument_group("logging")
group.add_argument("-v", "--verbose", default=0, action="count",

55
artiq/master/worker.py
View File

@ -7,7 +7,8 @@ import traceback
import time
from functools import partial
from artiq.protocols import pyon
from artiq.protocols import pipe_ipc, pyon
from artiq.protocols.logging import LogParser
from artiq.tools import asyncio_wait_or_cancel
@ -47,7 +48,7 @@ class Worker:
self.rid = None
self.filename = None
self.process = None
self.ipc = None
self.watchdogs = dict() # wid -> expiration (using time.monotonic)
self.io_lock = asyncio.Lock()
@ -72,15 +73,25 @@ class Worker:
else:
return None
def _get_log_source(self):
return "worker({},{})".format(self.rid, self.filename)
async def _create_process(self, log_level):
await self.io_lock.acquire()
try:
if self.closed.is_set():
raise WorkerError("Attempting to create process after close")
self.process = await asyncio.create_subprocess_exec(
self.ipc = pipe_ipc.AsyncioParentComm()
await self.ipc.create_subprocess(
sys.executable, "-m", "artiq.master.worker_impl",
str(log_level),
stdout=subprocess.PIPE, stdin=subprocess.PIPE)
self.ipc.get_address(), str(log_level),
stdout=subprocess.PIPE, stderr=subprocess.PIPE)
asyncio.ensure_future(
LogParser(self._get_log_source).stream_task(
self.ipc.process.stdout))
asyncio.ensure_future(
LogParser(self._get_log_source).stream_task(
self.ipc.process.stderr))
finally:
self.io_lock.release()
@ -93,15 +104,15 @@ class Worker:
self.closed.set()
await self.io_lock.acquire()
try:
if self.process is None:
# Note the %s - self.rid can be None
if self.ipc is None:
# Note the %s - self.rid can be None or a user string
logger.debug("worker was not created (RID %s)", self.rid)
return
if self.process.returncode is not None:
if self.ipc.process.returncode is not None:
logger.debug("worker already terminated (RID %s)", self.rid)
if self.process.returncode != 0:
if self.ipc.process.returncode != 0:
logger.warning("worker finished with status code %d"
" (RID %s)", self.process.returncode,
" (RID %s)", self.ipc.process.returncode,
self.rid)
return
obj = {"action": "terminate"}
@ -111,21 +122,21 @@ class Worker:
logger.debug("failed to send terminate command to worker"
" (RID %s), killing", self.rid, exc_info=True)
try:
self.process.kill()
self.ipc.process.kill()
except ProcessLookupError:
pass
await self.process.wait()
await self.ipc.process.wait()
return
try:
await asyncio.wait_for(self.process.wait(), term_timeout)
await asyncio.wait_for(self.ipc.process.wait(), term_timeout)
except asyncio.TimeoutError:
logger.debug("worker did not exit by itself (RID %s), killing",
self.rid)
try:
self.process.kill()
self.ipc.process.kill()
except ProcessLookupError:
pass
await self.process.wait()
await self.ipc.process.wait()
else:
logger.debug("worker exited by itself (RID %s)", self.rid)
finally:
@ -134,9 +145,8 @@ class Worker:
async def _send(self, obj, cancellable=True):
assert self.io_lock.locked()
line = pyon.encode(obj)
self.process.stdin.write(line.encode())
self.process.stdin.write("\n".encode())
ifs = [self.process.stdin.drain()]
self.ipc.write((line + "\n").encode())
ifs = [self.ipc.drain()]
if cancellable:
ifs.append(self.closed.wait())
fs = await asyncio_wait_or_cancel(
@ -153,7 +163,7 @@ class Worker:
async def _recv(self, timeout):
assert self.io_lock.locked()
fs = await asyncio_wait_or_cancel(
[self.process.stdout.readline(), self.closed.wait()],
[self.ipc.readline(), self.closed.wait()],
timeout=timeout, return_when=asyncio.FIRST_COMPLETED)
if all(f.cancelled() for f in fs):
raise WorkerTimeout("Timeout receiving data from worker")
@ -193,8 +203,6 @@ class Worker:
func = self.register_experiment
else:
func = self.handlers[action]
if getattr(func, "worker_pass_runinfo", False):
func = partial(func, self.rid, self.filename)
try:
data = func(*obj["args"], **obj["kwargs"])
reply = {"status": "ok", "data": data}
@ -266,7 +274,10 @@ class Worker:
await self._worker_action({"action": "write_results"},
timeout)
async def examine(self, file, timeout=20.0):
async def examine(self, rid, file, timeout=20.0):
self.rid = rid
self.filename = os.path.basename(file)
await self._create_process(logging.WARNING)
r = dict()
def register(class_name, name, arginfo):

43
artiq/master/worker_impl.py
View File

@ -6,8 +6,8 @@ import traceback
from collections import OrderedDict
import artiq
from artiq.protocols import pyon
from artiq.tools import file_import
from artiq.protocols import pipe_ipc, pyon
from artiq.tools import multiline_log_config, file_import
from artiq.master.worker_db import DeviceManager, DatasetManager, get_hdf5_output
from artiq.language.environment import is_experiment
from artiq.language.core import set_watchdog_factory, TerminationRequested
@ -15,16 +15,16 @@ from artiq.coredevice.core import CompileError, host_only, _render_diagnostic
from artiq import __version__ as artiq_version
ipc = None
def get_object():
line = sys.__stdin__.readline()
line = ipc.readline().decode()
return pyon.decode(line)
def put_object(obj):
ds = pyon.encode(obj)
sys.__stdout__.write(ds)
sys.__stdout__.write("\n")
sys.__stdout__.flush()
ipc.write((ds + "\n").encode())
class ParentActionError(Exception):
@ -53,23 +53,6 @@ def make_parent_action(action, exception=None):
return parent_action
class LogForwarder:
def __init__(self):
self.buffer = ""
to_parent = staticmethod(make_parent_action("log"))
def write(self, data):
self.buffer += data
while "\n" in self.buffer:
i = self.buffer.index("\n")
self.to_parent(self.buffer[:i])
self.buffer = self.buffer[i+1:]
def flush(self):
pass
class ParentDeviceDB:
get_device_db = make_parent_action("get_device_db")
get = make_parent_action("get_device", KeyError)
@ -202,9 +185,10 @@ def setup_diagnostics(experiment_file, repository_path):
def main():
sys.stdout = LogForwarder()
sys.stderr = LogForwarder()
logging.basicConfig(level=int(sys.argv[1]))
global ipc
multiline_log_config(level=int(sys.argv[2]))
ipc = pipe_ipc.ChildComm(sys.argv[1])
start_time = None
rid = None
@ -268,7 +252,11 @@ def main():
# When we get CompileError, a more suitable diagnostic has already
# been printed.
if not isinstance(exc, CompileError):
lines = ["Terminating with exception\n"]
short_exc_info = type(exc).__name__
exc_str = str(exc)
if exc_str:
short_exc_info += ": " + exc_str
lines = ["Terminating with exception ("+short_exc_info+")\n"]
lines += traceback.format_exception_only(type(exc), exc)
if hasattr(exc, "parent_traceback"):
lines += exc.parent_traceback
@ -277,6 +265,7 @@ def main():
put_object({"action": "exception"})
finally:
device_mgr.close_devices()
ipc.close()
if __name__ == "__main__":

104
artiq/protocols/logging.py
View File

@ -1,8 +1,9 @@
import asyncio
import logging
import re
from artiq.protocols.asyncio_server import AsyncioServer
from artiq.tools import TaskObject
from artiq.tools import TaskObject, MultilineFormatter
logger = logging.getLogger(__name__)
@ -25,15 +26,64 @@ _name_to_level = {
def parse_log_message(msg):
for name, level in _name_to_level.items():
if msg.startswith(name + ":"):
remainder = msg[len(name) + 1:]
lr = "|".join(_name_to_level.keys())
m = re.fullmatch('('+lr+')(<\d+>)?:([^:]*):(.*)', msg)
if m is None:
return 0, logging.INFO, "print", msg
level = _name_to_level[m.group(1)]
if m.group(2):
multiline = int(m.group(2)[1:-1]) - 1
else:
multiline = 0
name = m.group(3)
message = m.group(4)
return multiline, level, name, message
class LogParser:
def __init__(self, source_cb):
self.source_cb = source_cb
self.multiline_count = 0
self.multiline_level = None
self.multiline_name = None
self.multiline_message = None
def line_input(self, msg):
if self.multiline_count:
self.multiline_message += "\n" + msg
self.multiline_count -= 1
if not self.multiline_count:
log_with_name(
self.multiline_name,
self.multiline_level,
self.multiline_message,
extra={"source": self.source_cb()})
self.multiline_level = None
self.multiline_name = None
self.multiline_message = None
else:
multiline, level, name, message = parse_log_message(msg)
if multiline:
self.multiline_count = multiline
self.multiline_level = level
self.multiline_name = name
self.multiline_message = message
else:
log_with_name(name, level, message,
extra={"source": self.source_cb()})
async def stream_task(self, stream):
while True:
try:
idx = remainder.index(":")
entry = (await stream.readline())
if not entry:
break
self.line_input(entry[:-1].decode())
except:
continue
return level, remainder[:idx], remainder[idx+1:]
return logging.INFO, "print", msg
logger.debug("exception in log forwarding", exc_info=True)
break
logger.debug("stopped log forwarding of stream %s of %s",
stream, self.source_cb())
_init_string = b"ARTIQ logging\n"
@ -42,8 +92,10 @@ _init_string = b"ARTIQ logging\n"
class Server(AsyncioServer):
"""Remote logging TCP server.
Takes one log entry per line, in the format:
source:levelno:name:message
Log entries are in the format:
source:levelno<total_lines>:name:message
continuation...
...continuation
"""
async def _handle_connection_cr(self, reader, writer):
try:
@ -51,6 +103,9 @@ class Server(AsyncioServer):
if line != _init_string:
return
source = None
parser = LogParser(lambda: source)
while True:
line = await reader.readline()
if not line:
@ -60,20 +115,16 @@ class Server(AsyncioServer):
except:
return
line = line[:-1]
linesplit = line.split(":", 3)
if len(linesplit) != 4:
if parser.multiline_count:
parser.line_input(line)
else:
linesplit = line.split(":", maxsplit=1)
if len(linesplit) != 2:
logger.warning("received improperly formatted message, "
"dropping connection")
return
source, level, name, message = linesplit
try:
level = int(level)
except:
logger.warning("received improperly formatted level, "
"dropping connection")
return
log_with_name(name, level, message,
extra={"source": source})
source, remainder = linesplit
parser.line_input(remainder)
finally:
writer.close()
@ -100,19 +151,12 @@ class LogForwarder(logging.Handler, TaskObject):
logging.Handler.__init__(self, **kwargs)
self.host = host
self.port = port
self.setFormatter(logging.Formatter(
"%(name)s:%(message)s"))
self.setFormatter(MultilineFormatter())
self._queue = asyncio.Queue(queue_size)
self.reconnect_timer = reconnect_timer
def emit(self, record):
message = self.format(record)
for part in message.split("\n"):
part = "{}:{}:{}".format(record.source, record.levelno, part)
try:
self._queue.put_nowait(part)
except asyncio.QueueFull:
break
self._queue.put_nowait(record.source + ":" + self.format(record))
async def _do(self):
while True:

2
artiq/test/worker.py
View File

@ -71,7 +71,7 @@ def _run_experiment(class_name):
"arguments": dict()
}
loop = asyncio.get_event_loop()
worker = Worker(handlers={"log": lambda message: None})
worker = Worker({})
loop.run_until_complete(_call_worker(worker, expid))

24
artiq/tools.py
View File

@ -133,8 +133,30 @@ def simple_network_args(parser, default_port):
group.add_argument("--port-" + name, default=default, type=int,
help=h)
class MultilineFormatter(logging.Formatter):
def __init__(self):
logging.Formatter.__init__(
self, "%(levelname)s:%(name)s:%(message)s")
def format(self, record):
r = logging.Formatter.format(self, record)
linebreaks = r.count("\n")
if linebreaks:
i = r.index(":")
r = r[:i] + "<" + str(linebreaks + 1) + ">" + r[i:]
return r
def multiline_log_config(level):
root_logger = logging.getLogger()
root_logger.setLevel(level)
handler = logging.StreamHandler()
handler.setFormatter(MultilineFormatter())
root_logger.addHandler(handler)
def init_logger(args):
logging.basicConfig(level=logging.WARNING + args.quiet*10 - args.verbose*10)
multiline_log_config(level=logging.WARNING + args.quiet*10 - args.verbose*10)
def bind_address_from_args(args):