import shlex
import sys
import time
-#import glob
from htsworkflow.util import mount
from benderjab import rpc
+def is_runfolder(name):
+ """
+ Is it a runfolder?
+
+ >>> print is_runfolder('090630_HWUSI-EAS999_0006_30LNFAAXX')
+ True
+ >>> print is_runfolder('hello')
+ False
+ """
+ if re.match("[0-9]{6}_.*", name):
+ return True
+ else:
+ return False
def get_top_dir(root, path):
"""
else:
return None
-class WatcherEvents(object):
- # two events need to be tracked
- # one to send startCopy
- # one to send OMG its broken
- # OMG its broken needs to stop when we've seen enough
- # cycles
- # this should be per runfolder.
- # read the xml files
- def __init__(self):
- pass
+class WatcherEvent(object):
+ """
+ Track information about a file event
+
+ Currently its time, and if it was an indication we've completed the run.
+ """
+ def __init__(self, event_root=None):
+ self.time = time.time()
+ self.event_root = event_root
+ self.complete = False
+ def __unicode__(self):
+ if self.complete:
+ complete = "(completed)"
+ else:
+ complete = ""
+ return u"<WatchEvent: %s %s %s>" % (time.ctime(self.time), self.event_root, complete)
class Handler(pyinotify.ProcessEvent):
- def __init__(self, watchmanager, bot, ipar=False):
+ def __init__(self, watchmanager, bot, completion_file=None):
"""
- ipar flag indicates we should wait for ipar to finish, instead of
- just the run finishing
+ Completion file contains current "completion" filename
"""
self.last_event = {}
self.watchmanager = watchmanager
self.bot = bot
- self.ipar_mode = ipar
- if self.ipar_mode:
- self.last_file = 'IPAR_Netcopy_Complete.txt'.lower()
- else:
- self.last_file = "run.completed".lower()
+ if completion_file is not None:
+ completion_file = completion_file.lower()
+ self.completion_file = completion_file
def process_IN_CREATE(self, event):
for wdd in self.bot.wdds:
for watch_path in self.bot.watchdirs:
- if event.path.startswith(watch_path):
+ run_already_complete = False
+ # I only care about things created inside the watch directory, so
+ # the event path needs to be longer than the watch path in addition to
+ # starting with the watch_path
+ if len(event.path) > len(watch_path) and event.path.startswith(watch_path):
+ # compute name of the top level directory that had an event
+ # in the current watch path
target = get_top_dir(watch_path, event.path)
- self.last_event.setdefault(watch_path, {})[target] = time.time()
- msg = "Create: %s %s" % (event.path, event.name)
+ if not is_runfolder(target):
+ logging.debug("Skipping %s, not a runfolder" % (target,))
+ continue
+
+ # grab the previous events for this watch path
+ watch_path_events = self.last_event.setdefault(watch_path, {})
+
+ # if we've already seen an event in this directory (AKA runfolder)
+ # keep track if its already hit the "completed" flag
+ if watch_path_events.has_key(target):
+ run_already_complete = watch_path_events[target].complete
+
+ watch_path_events[target] = WatcherEvent(target)
+ #self.last_event.setdefault(watch_path, {})[target] = WatcherEvent(target)
+
+ msg = "Create: %s %s %s %s" % (watch_path, target, event.path, event.name)
+
+ if self.completion_file == event.name.lower() or run_already_complete:
+ self.last_event[watch_path][target].complete = True
+ msg += "(completed)"
- if event.name.lower() == self.last_file:
- try:
- self.bot.sequencingFinished(event.path)
- except IOError, e:
- logging.error("Couldn't send sequencingFinished")
logging.debug(msg)
def process_IN_DELETE(self, event):
logging.debug("Remove: %s" % os.path.join(event.path, event.name))
+ pass
def process_IN_UNMOUNT(self, event):
pathname = os.path.join(event.path, event.name)
# `write_timeout` - how many seconds to wait for writes to finish to
# the spool
# `notify_timeout` - how often to timeout from notify
+ # `completion_file` - what file indicates we've finished sequencing
+ # defaults to: netcopy_complete.txt
def __init__(self, section=None, configfile=None):
#if configfile is None:
self.cfg['write_timeout'] = 10
self.cfg['notify_users'] = None
self.cfg['notify_runner'] = None
- self.cfg['wait_for_ipar'] = 0
-
+ self.cfg['completion_file'] = 'netcopy_complete.txt'
+
+ self.watchdirs = []
+ self.watchdir_url_map = {}
self.notify_timeout = 0.001
- self.wm = pyinotify.WatchManager()
+
+ self.wm = None
+ self.notify_users = None
+ self.notify_runner = None
self.wdds = []
+
# keep track if the specified mount point is currently mounted
self.mounted_points = {}
# keep track of which mount points tie to which watch directories
# so maybe we can remount them.
self.mounts_to_watches = {}
- self.notify_users = None
- self.notify_runner = None
-
self.eventTasks.append(self.process_notify)
def read_config(self, section=None, configfile=None):
+ # Don't give in to the temptation to use logging functions here,
+ # need to wait until after we detach in start
super(SpoolWatcher, self).read_config(section, configfile)
self.watchdirs = shlex.split(self._check_required_option('watchdirs'))
+ # see if there's an alternate url that should be used for the watchdir
+ for watchdir in self.watchdirs:
+ self.watchdir_url_map[watchdir] = self.cfg.get(watchdir, watchdir)
+
self.write_timeout = int(self.cfg['write_timeout'])
- self.wait_for_ipar = int(self.cfg['wait_for_ipar'])
- logging.debug('wait for ipar: ' + str(self.cfg['wait_for_ipar']))
+ self.completion_file = self.cfg['completion_file']
self.notify_users = self._parse_user_list(self.cfg['notify_users'])
try:
require_resource=True)
except bot.JIDMissingResource:
msg = 'need a full jabber ID + resource for xml-rpc destinations'
- logging.FATAL(msg)
raise bot.JIDMissingResource(msg)
- self.handler = Handler(self.wm, self, self.wait_for_ipar)
- self.notifier = pyinotify.Notifier(self.wm, self.handler)
+ self.handler = None
+ self.notifier = None
def add_watch(self, watchdirs=None):
"""
start watching watchdir or self.watchdir
we're currently limited to watching one directory tree.
"""
+ # create the watch managers if we need them
+ if self.wm is None:
+ self.wm = pyinotify.WatchManager()
+ self.handler = Handler(self.wm, self, self.completion_file)
+ self.notifier = pyinotify.Notifier(self.wm, self.handler)
+
# the one tree limit is mostly because self.wdd is a single item
# but managing it as a list might be a bit more annoying
if watchdirs is None:
self.wm.rm_watch(wdd.values())
del self.wdds[i]
self.mounted = False
-
+
+ def make_copy_url(self, watchdir, list_event_dir):
+ root_copy_url = self.watchdir_url_map[watchdir]
+ if root_copy_url[-1] != '/':
+ root_copy_url += '/'
+ copy_url = root_copy_url + list_event_dir
+ logging.debug('Copy url: %s' % (copy_url,))
+ return copy_url
+
def process_notify(self, *args):
+ if self.notifier is None:
+ # nothing to do yet
+ return
# process the queue of events as explained above
self.notifier.process_events()
#check events waits timeout
# should we do something?
# has something happened?
for watchdir, last_events in self.handler.last_event.items():
- logging.debug('last_events: %s %s' % (watchdir, last_events))
- for last_event_dir, last_event_time in last_events.items():
- time_delta = time.time() - last_event_time
+ for last_event_dir, last_event_detail in last_events.items():
+ time_delta = time.time() - last_event_detail.time
if time_delta > self.write_timeout:
- self.startCopy(watchdir, last_event_dir)
+ print "timeout", unicode(last_event_detail)
+ copy_url = self.make_copy_url(watchdir, last_event_dir)
+ self.startCopy(copy_url)
+ if last_event_detail.complete:
+ self.sequencingFinished(last_event_detail.event_root)
+
self.handler.last_event[watchdir] = {}
# handle unmounted filesystems
for mount_point, was_mounted in self.mounted_points.items():
if re.match(u"help", msg):
reply = help
elif re.match("copy", msg):
- self.startCopy()
+ self.startCopy(msg)
reply = u"sent copy message"
elif re.match(u"finished", msg):
words = msg.split()
reply = u"I didn't understand '%s'" %(msg)
return reply
- def start(self, daemonize):
+ def run(self):
"""
Start application
"""
+ # we have to configure pyinotify after BenderJab.start is called
+ # as weird things happen to pyinotify if the stdio is closed
+ # after it's initialized.
self.add_watch()
- super(SpoolWatcher, self).start(daemonize)
+ super(SpoolWatcher, self).run()
def stop(self):
"""
shutdown application
"""
# destroy the inotify's instance on this interrupt (stop monitoring)
- self.notifier.stop()
+ if self.notifier is not None:
+ self.notifier.stop()
super(SpoolWatcher, self).stop()
- def startCopy(self, watchdir=None, event_path=None):
+ def startCopy(self, copy_url=None):
logging.debug("writes seem to have stopped")
- logging.debug("watchdir = %s, event_path = %s" % (watchdir, event_path))
if self.notify_runner is not None:
for r in self.notify_runner:
- self.rpc_send(r, tuple(), 'startCopy')
+ self.rpc_send(r, tuple([copy_url]), 'startCopy')
if self.notify_users is not None:
for u in self.notify_users:
- self.send(u, 'startCopy %s %s' % (watchdir, event_path))
+ self.send(u, 'startCopy %s.' % (copy_url,))
def sequencingFinished(self, run_dir):
# need to strip off self.watchdirs from rundir I suspect.
logging.info("run.completed in " + str(run_dir))
- pattern = self.watch_dir
- if pattern[-1] != os.path.sep:
- pattern += os.path.sep
- stripped_run_dir = re.sub(pattern, "", run_dir)
+ for watch in self.watchdirs:
+ if not run_dir.startswith(watch):
+ print "%s didn't start with %s" % (run_dir, watch)
+ continue
+ if watch[-1] != os.path.sep:
+ watch += os.path.sep
+ stripped_run_dir = re.sub(watch, "", run_dir)
+ else:
+ stripped_run_dir = run_dir
+
logging.debug("stripped to " + stripped_run_dir)
if self.notify_users is not None:
for u in self.notify_users:
- self.send(u, 'Sequencing run %s finished' % (stripped_run_dir))
+ self.send(u, 'Sequencing run %s finished' % \
+ (stripped_run_dir))
if self.notify_runner is not None:
for r in self.notify_runner:
self.rpc_send(r, (stripped_run_dir,), 'sequencingFinished')
-
+
def main(args=None):
bot = SpoolWatcher()
return bot.main(args)
if __name__ == "__main__":
- sys.exit(main(sys.argv[1:]))
+ ret = main(sys.argv[1:])
+ #sys.exit(ret)
# TODO:
# send messages to copier specifying which mount to copy