Commit c898d62c authored by Tristan Cavelier's avatar Tristan Cavelier Committed by Cédric Le Ninivin

monitor: timeout added for monitor subprocesses

parent 8c887705
......@@ -49,7 +49,7 @@ mode = 0644
recipe = hexagonit.recipe.download
url = ${:_profile_base_location_}/${:filename}
download-only = true
md5sum = 1e7b4698f6627150b1eb783b06f8b13a
md5sum = cb2f15850d3dc82459a0044adb4416cf
destination = ${buildout:directory}/parts/monitor-template-monitor-bin
filename = monitor.py.in
mode = 0644
......
......@@ -7,6 +7,7 @@ import subprocess
import sys
import sqlite3
import time
import threading
from optparse import OptionParser, make_option
......@@ -34,6 +35,26 @@ option_list = [
help="add the file containing services\'pid to the files to monitor")
]
class Popen(subprocess.Popen):
__timeout = None
def timeout(self, delay, delay_before_kill=5):
if self.__timeout is not None: self.__timeout.cancel()
self.__timeout = threading.Timer(delay, self.stop, [delay_before_kill])
self.__timeout.start()
def waiter():
self.wait()
self.__timeout.cancel()
threading.Thread(target=waiter).start()
def stop(self, delay_before_kill=5):
if self.__timeout is not None: self.__timeout.cancel()
self.terminate()
t = threading.Timer(delay_before_kill, self.kill)
t.start()
r = self.wait()
t.cancel()
return r
def init_db():
db = sqlite3.connect(db_path)
......@@ -89,14 +110,15 @@ def runServices(directory):
def runScripts(directory):
scripts = getListOfScripts(directory)
script_timeout = 3
# XXX script_timeout could be passed as parameters
script_timeout = 60 # in seconds
result = {}
for script in scripts:
command = [os.path.join(promise_dir, script)]
script = os.path.basename(command[0])
result[script] = ''
process_handler = subprocess.Popen(command,
process_handler = Popen(command,
cwd=instance_path,
env=None if sys.platform == 'cygwin' else {},
stdout=subprocess.PIPE,
......@@ -106,7 +128,8 @@ def runScripts(directory):
process_handler.stdin.close()
process_handler.stdin = None
time.sleep(script_timeout)
process_handler.timeout(script_timeout)
process_handler.wait()
if process_handler.poll() is None:
process_handler.terminate()
......
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