def startForkLoop(event):
if not monkeypatcher.PATCHED:
errline()
errline("sauna.reload is not installed correctly!")
errline("Your are missing following line from instance part "
"of your buildout:")
errline()
errline(" zope-conf-additional = %import sauna.reload")
errline()
errline("Not starting fork loop.")
errline()
return
if not reload_paths:
errline()
errline("sauna.reload: No paths in RELOAD_PATH environment variable. "
"Not starting fork loop.")
errline("Set it to your development egg paths to activate reloading")
errline()
errline("Example:")
errline(" $ RELOAD_PATH=src/ bin/instance fg")
errline()
return
# Start fs monitor before the forkloop
watcher.Watcher(reload_paths.getParentPaths(), forkloop).start()
# Build and execute a configuration file to include meta, configuration and
# overrides for dependencies of the deferred development packages.
autoinclude.includeDependenciesForDeferred()
autoinclude.checkDeferringErrors()
config = getConfiguration()
zserver = [server for server in config.servers
if isinstance(server, zhttp_server)][0]
logger.info("We saved at least %s seconds from boot up time" %
(time.time() - forkloop.boot_started))
logger.info("Overview available at http://127.0.0.1:%i/@@saunareload" %
(zserver.port))
forkloop.start()
def loop(self):
"""
Magic happens here
"""
registerHandler(signal.SIGINT, self._parentExitHandler)
registerHandler(signal.SIGTERM, self._parentExitHandler)
self.active = True
logger.info("Fork loop starting on parent. PID %i" % os.getpid())
while True:
self.forking = False
if self.exit:
return
if self.fork:
self.fork = False
if self.pause:
# Pause mode. No forks now.
continue
if not self.killed_child:
errline()
errline("Child died on bootup. "
"Pausing fork loop for now.")
errline("Fix possible errors and save edits "
"and we'll try booting again.")
errline("Waiting...")
# Child died because of unknown reason. Mark it as killed
# and go into pause mode.
self.killed_child = True
self.pause = True
continue
if self.isChildAlive():
# Child is still alive for some reason. Lets wait few
# rounds for it to die.
continue
self.forking = True
self.startChildBooTimer()
self.child_pid = os.fork()
if self.child_pid == 0:
break
self.killed_child = False
time.sleep(1)
logger.setChildLogger()
logger.info("Forked new child. Installing reloadable products...")
self._prepareNewChild()
self.forking = False
logger.logDeferredErrors()
logger.logDeferred()
logger.info("Booted up new child in %s seconds. PID %i" %
(time.time() - self.child_started, os.getpid()))
notify(NewChildIsReady(self))
def loop(self):
"""
Magic happens here
"""
registerHandler(signal.SIGINT, self._parentExitHandler)
registerHandler(signal.SIGTERM, self._parentExitHandler)
self.active = True
logger.info("Fork loop starting on parent. PID %i" % os.getpid())
while True:
self.forking = False
if self.exit:
return
if self.fork:
self.fork = False
if self.pause:
# Pause mode. No forks now.
continue
if not self.killed_child:
errline()
errline("Child died on bootup. Pausing fork loop for now. ")
errline("Fix possible errors and save edits and we'll try booting again.")
errline("Waiting...")
# Child died because of unknown reason. Mark it as killed
# and go into pause mode.
self.killed_child = True
self.pause = True
continue
if self.isChildAlive():
# Child is still alive for some reason. Lets wait few
# rounds for it to die.
continue
self.forking = True
self.startChildBooTimer()
self.child_pid = os.fork()
if self.child_pid == 0:
break
self.killed_child = False
time.sleep(1)
logger.setChildLogger()
logger.info("Forked new child. Installing reloadable products...")
self._prepareNewChild()
self.forking = False
logger.info("Booted up new new child in %s seconds. PID %i" % (
time.time() - self.child_started, os.getpid()))
notify(NewChildIsReady(self))
def startForkLoop(event):
if not monkeypatcher.PATCHED:
errline()
errline("sauna.reload is not installed correctly!")
errline("Your are missing following line from instance part "
"of your buildout:")
errline()
errline(" zope-conf-additional = %import sauna.reload")
errline()
errline("Not starting fork loop.")
errline()
return
if not reload_paths:
errline()
errline("sauna.reload: No paths in RELOAD_PATH environment variable. "
"Not starting fork loop.")
errline("Set it to your development egg paths to activate reloading")
errline()
errline("Example:")
errline(" $ RELOAD_PATH=src/ bin/instance fg")
errline()
return
# Start fs monitor before the forkloop
watcher.Watcher(reload_paths.getParentPaths(), forkloop).start()
# Build and execute a configuration file to include meta, configuration and
# overrides for dependencies of the deferred development packages.
autoinclude.includeDependenciesForDeferred()
autoinclude.checkDeferringErrors()
config = getConfiguration()
zserver = [
server for server in config.servers
if isinstance(server, zhttp_server)
][0]
logger.info("We saved at least %s seconds from boot up time" %
(time.time() - forkloop.boot_started))
logger.info("Overview available at http://127.0.0.1:%i/@@saunareload" %
(zserver.port))
forkloop.start()
