def execute_yay(self, stream):
"""
Takes a stream containing tasks encoded as Yay and executes them.
Returns an object implementing ITask for tracking execution of
the tasks.
"""
d = yay.load(stream)
p = ParallelTask(TaskType.create_all(d["tasks"]))
self.tasks.add(p)
return p
def run(config_filename):
if len(sys.argv) != 2:
usage()
return 255
config = yay.load(open(config_filename).read())
pidfile = config["pidfile"]
logfile = config["logfile"]
command = sys.argv[1]
if command == "start":
# we pass arguments through to the tac file using the environment
# because there is no other option
os.environ["LOGTAIL_CONFIG_FILENAME"] = config_filename
sys.argv[1:] = ["-y", sibpath(__file__, "logtail.tac"), "--pidfile", pidfile, "--logfile", logfile]
twistd_run()
elif command == "stop":
try:
pid = int(open(pidfile).read())
except IOError:
print "Logtail is not running"
return 255
os.kill(pid, 15)
else:
usage()
return 255
