def _monitor(self):
while not self.stop_signal:
try:
proc = os.waitpid(-1, 0)
except OSError,err:
if err.errno == 4:
continue
if self.stop_signal:
break
if os.path.exists(self.pidsdir+'/gfchild_'+str(proc[0])+'.pid'):
os.remove(self.pidsdir+'/gfchild_'+str(proc[0])+'.pid')
logging.debug("Child # %s died" % proc[0])
index = self.children.index(proc[0])
forked = gevent.fork()
if forked == 0:
setupLogging(index,debug=self.debug,directory=self.logs_dir,
count=self.logs_count,max_size=self.logs_size)
self.runChild(index,sockets=self.sockets)
return
else:
file(self.pidsdir+'/gfchild_'+str(forked)+'.pid','w+').write("%s\n" % forked)
self.children[index] = forked
logging.debug("Created child # %s" % forked)
def start_worker(self):
w = Worker(self.sock, self.script)
pid = fork()
if pid:
self.worker_pids.append(pid)
return
w.start()
def drop_privileges(uid_name='nobody', gid_name='nogroup'):
print("Init: Running as {0}/{1}.".format(
pwd.getpwuid(os.getuid())[0],
grp.getgrgid(os.getgid())[0]))
wanted_uid = pwd.getpwnam(uid_name)[2]
wanted_gid = grp.getgrnam(gid_name)[2]
pid = gevent.fork()
if pid == 0:
# child
print 'starting child process'
child_process = gevent.spawn(root_process)
child_process.join()
print 'Child done:', child_process.successful()
oschameleon.osfuscation.flush_tables()
print 'Child exit'
else:
# parent
os.setgid(wanted_gid)
os.setuid(wanted_uid)
new_uid_name = pwd.getpwuid(os.getuid())[0]
new_gid_name = grp.getgrgid(os.getgid())[0]
print("Parent: Privileges dropped, running as {0}/{1}.".format(
new_uid_name, new_gid_name))
while True:
try:
gevent.sleep(1)
print 'Parent: ping'
except KeyboardInterrupt:
break
def run_server(host=None, port=None, workers=None, debug=None,
logfile=None, stdout=None, loglevel=None):
if not host:
host = settings.server_host
if not port:
port = settings.server_port
if workers is not None:
settings.workers = workers
if debug:
settings.debug = True
try:
proctitle = settings.proctitle
except AttributeError:
proctitle = 'geweb'
setproctitle(proctitle)
log.info('Starting HTTP server at %s:%d' % (host, port))
pool = Pool(10000)
server = WSGIServer("%s:%s" % (host, port), handle, spawn=pool)
server.init_socket()
for i in xrange(settings.workers - 1):
pid = gevent.fork()
if pid == 0:
break
server.serve_forever()
def spawn_child(self):
"""Spawn a child."""
try:
child = InstanceRunner(self.app, self.log_queue,
ppid=self.pid, timeout=self.timeout, name=self.name,
uid=self.uid, gid=self.gid)
except:
log.info("Unhandled exception while creating '%s':\n%s",
self.name, traceback.format_exc())
return
pid = gevent.fork()
if pid != 0:
self._CHILDREN[pid] = (child, 1)
return
# Process Child
worker_pid = os.getpid()
try:
child.run()
sys.exit(0)
except SystemExit:
raise
except:
log.exception("Exception in worker process:")
if not child.booted:
sys.exit(self._WORKER_BOOT_ERROR)
sys.exit(-1)
finally:
log.info("Instance exiting (pid: %s)", worker_pid)
try:
child.tmp.close()
except:
pass
def start_worker(self):
w = Worker(self.sock, self.script)
pid = fork()
if pid:
self.worker_pids.append(pid)
return
w.start()
def drop_privileges(uid_name='nobody', gid_name='nogroup'):
print("Init: Running as {0}/{1}.".format(pwd.getpwuid(os.getuid())[0], grp.getgrgid(os.getgid())[0]))
wanted_uid = pwd.getpwnam(uid_name)[2]
wanted_gid = grp.getgrnam(gid_name)[2]
pid = gevent.fork()
if pid == 0:
# child
print 'starting child process'
child_process = gevent.spawn(root_process)
child_process.join()
print 'Child done:', child_process.successful()
oschameleon.osfuscation.flush_tables()
print 'Child exit'
else:
# parent
os.setgid(wanted_gid)
os.setuid(wanted_uid)
new_uid_name = pwd.getpwuid(os.getuid())[0]
new_gid_name = grp.getgrgid(os.getgid())[0]
print("Parent: Privileges dropped, running as {0}/{1}.".format(new_uid_name, new_gid_name))
while True:
try:
gevent.sleep(1)
print 'Parent: ping'
except KeyboardInterrupt:
break
def daemonize(): import gevent pid = gevent.fork() if pid == 0: run() sys.exit(0) else: writepid(pid)
def fork_workers(num):
pids = []
for i in range(num):
pid = gevent.fork()
if pid == 0:
run_child(os.getpid())
sys.exit(0)
else:
pids.append(pid)
return pids
def daemonize(umask=0027):
if gevent.fork():
os._exit(0)
os.setsid()
if gevent.fork():
os._exit(0)
os.umask(umask)
fd_limit = resource.getrlimit(resource.RLIMIT_NOFILE)[1]
if fd_limit == resource.RLIM_INFINITY:
fd_limit = 1024
for fd in xrange(0, fd_limit):
try:
os.close(fd)
except:
pass
os.open(os.devnull, os.O_RDWR)
os.dup2(0, 1)
os.dup2(0, 2)
gevent.reinit()
def _daemonize(self):
"""
Standard daemonization of a process.
http://www.svbug.com/documentation/comp.unix.programmer-FAQ/faq_2.html#SEC16
"""
if gevent.fork():
os._exit(0)
os.setsid()
if gevent.fork():
os._exit(0)
os.umask(0)
if self.chdir:
os.chdir(self.chdir)
"""sys.stdout.flush()
sys.stderr.flush()
si = file('/dev/null', 'r')
so = file('logs/console.log', 'a+')
se = file('logs/console.log', 'a+', 0)
os.dup2(si.fileno(), sys.stdin.fileno())
os.dup2(so.fileno(), sys.stdout.fileno())
os.dup2(se.fileno(), sys.stderr.fileno())
"""
for i in xrange(3):
# Closing parent standart in,out,error fd's
os.close(i)
os.open(REDIRECT_TO, os.O_RDWR)
os.dup2(0, 1)
os.dup2(0, 2)
if self.uid:
os.setuid(self.uid)
if self.gid:
os.setgid(self.gid)
self.pid = os.getpid()
file(self.pidsdir+'/gfdaemon.pid','w+').write(str(self.pid))
def daemonize(close=False):
"""\
Standard daemonization of a process.
http://www.svbug.com/documentation/comp.unix.programmer-FAQ/faq_2.html#SEC16
"""
if not 'TPROXY_FD' in os.environ:
try:
if fork():
os._exit(0)
except OSError, e:
sys.stderr.write("fork #1 failed: %s\n" % str(e))
sys.exit(1)
os.setsid()
try:
if fork():
os._exit(0)
except OSError, e:
sys.stderr.write("fork #2 failed: %s\n" % str(e))
sys.exit(1)
def daemonize(close=False):
"""\
Standard daemonization of a process.
http://www.svbug.com/documentation/comp.unix.programmer-FAQ/faq_2.html#SEC16
"""
if not 'TPROXY_FD' in os.environ:
try:
if fork():
os._exit(0)
except OSError, e:
sys.stderr.write("fork #1 failed: %s\n" % str(e))
sys.exit(1)
os.setsid()
try:
if fork():
os._exit(0)
except OSError, e:
sys.stderr.write("fork #2 failed: %s\n" % str(e))
sys.exit(1)
def start_daemon_process(self, pid_file_name):
""" Run server in daemon mode. """
# First fork: allow shell to return, detach from controlling
# terminal using setsid()
try:
pid = gevent.fork()
if pid > 0:
sys.exit(0)
except OSError, e:
print >>sys.stderr, 'First fork failed with error %d (%s)' \
% (e.errno, e.strerror)
sys.exit(1)
def daemon(user, group, path='/', pidfile='/tmp/%s.pid' % __default_servicename__, other_groups=()):
'''
Daemonizes current application.
'''
# Get uid and gid from user and group names
uid = int(pwd.getpwnam(user)[2])
gid = int(grp.getgrnam(group)[2])
# Get ID of other groups
other_groups_id = []
for name in other_groups:
try:
other_groups_id.append(int(grp.getgrnam(name)[2]) )
except:
pass
# First fork
pid = gevent.fork()
if not pid == 0:
os._exit(0)
# Creates a session and sets the process group ID
os.setsid()
# Second fork
pid = gevent.fork()
if not pid == 0:
os._exit(0)
# Change directoty
os.chdir(path)
# Set umask
os.umask(0)
# Write pidfile
open(pidfile, 'w').write(str(os.getpid()))
# Set group and groups
os.setgid(gid)
if other_groups_id:
os.setgroups(other_groups_id)
# Set user
os.setuid(uid)
# Redirect stdout/stderr to /dev/null
sys.stdout = sys.stderr = open(os.devnull, 'a+')
gevent.reinit()
def fork():
""" A workaround for gevent issue 154[0], until that is fixed.
[0]: http://code.google.com/p/gevent/issues/detail?id=154 """
tp = gevent.get_hub().threadpool
if len(tp):
sys.stderr.write("WARNING: calling fork() while threads are active; "
"they will be killed.\n")
tp.kill()
tp.join()
result = gevent.fork()
gevent.sleep(0)
return result
def fork():
""" A workaround for gevent issue 154[0], until that is fixed.
[0]: http://code.google.com/p/gevent/issues/detail?id=154 """
tp = get_hub().threadpool
if len(tp):
sys.stderr.write("WARNING: calling fork() while threads are active; "
"they will be killed.\n")
tp.kill()
tp.join()
result = gevent.fork()
gevent.sleep(0)
return result
def daemonize(self):
"""
Do the UNIX double-fork magic, see Stevens' "Advanced
Programming in the UNIX Environment" for details (ISBN 0201563177)
http://www.erlenstar.demon.co.uk/unix/faq_2.html#SEC16
"""
try:
pid = gevent.fork()
if pid > 0:
# Exit first parent
sys.exit(0)
except OSError, e:
sys.stderr.write("fork #1 failed: %d (%s)\n" % (e.errno, e.strerror))
sys.exit(1)
def daemonize(pidfile, stdin='/dev/null', stdout='/dev/null',
stderr='/dev/null'):
"""Creates a child process, shuts down the parent process, and
then redirects the io streams to a log file or /dev/null.
"""
# Do first fork.
try:
pid = gevent.fork()
if pid != 0:
os._exit(0)
except OSError, exc:
# Python raises OSError rather than returning negative numbers.
sys.exit("%s: fork #1 failed: (%d) %s\n"
% (sys.argv[0], exc.errno, exc.strerror))
def daemonize(pidfile,
stdin='/dev/null',
stdout='/dev/null',
stderr='/dev/null'):
"""Creates a child process, shuts down the parent process, and
then redirects the io streams to a log file or /dev/null.
"""
# Do first fork.
try:
pid = gevent.fork()
if pid != 0:
os._exit(0)
except OSError, exc:
# Python raises OSError rather than returning negative numbers.
sys.exit("%s: fork #1 failed: (%d) %s\n" %
(sys.argv[0], exc.errno, exc.strerror))
def drop_privileges(uid_name='nobody', gid_name='nogroup'):
print("Running as {0}/{1}.".format(
pwd.getpwuid(os.getuid())[0],
grp.getgrgid(os.getgid())[0]))
wanted_uid = pwd.getpwnam(uid_name)[2]
wanted_gid = grp.getgrnam(gid_name)[2]
pid = gevent.fork()
if pid == 0:
os.setgid(wanted_gid)
os.setuid(wanted_uid)
new_uid_name = pwd.getpwuid(os.getuid())[0]
new_gid_name = grp.getgrgid(os.getgid())[0]
print("Privileges dropped, running as {0}/{1}.".format(
new_uid_name, new_gid_name))
else:
lets = gevent.spawn(root_process)
gevent.joinall([
lets,
])
def test_main():
# This function spawns a child process to insulate the main
# test-running process from all the signals. It then
# communicates with that child process over a pipe and
# re-raises information about any exceptions the child
# throws. The real work happens in self.run_test().
os_done_r, os_done_w = os.pipe()
with closing(os.fdopen(os_done_r)) as done_r:
with closing(os.fdopen(os_done_w, 'w')) as done_w:
child = gevent.fork()
if not child:
# In the child process; run the test and report results
# through the pipe.
try:
done_r.close()
# Have to close done_w again here because
# exit_subprocess() will skip the enclosing with block.
with closing(done_w):
try:
run_test()
except:
pickle.dump(traceback.format_exc(), done_w)
else:
pickle.dump(None, done_w)
except:
print('Uh oh, raised from pickle.')
traceback.print_exc()
finally:
os._exit(0)
done_w.close()
# Block for up to MAX_DURATION seconds for the test to finish.
r, w, x = select.select([done_r], [], [], MAX_DURATION)
if done_r in r:
tb = pickle.load(done_r)
assert not tb, tb
else:
os.kill(child, 9)
assert False, 'Test deadlocked after %d seconds.' % MAX_DURATION
def spawn_child(self):
"""Spawn a child."""
try:
child = InstanceRunner(self.app,
self.log_queue,
ppid=self.pid,
timeout=self.timeout,
name=self.name,
uid=self.uid,
gid=self.gid)
except:
log.info("Unhandled exception while creating '%s':\n%s", self.name,
traceback.format_exc())
return
pid = gevent.fork()
if pid != 0:
self._CHILDREN[pid] = (child, 1)
return
# Process Child
worker_pid = os.getpid()
try:
child.run()
sys.exit(0)
except SystemExit:
raise
except:
log.exception("Exception in worker process:")
if not child.booted:
sys.exit(self._WORKER_BOOT_ERROR)
sys.exit(-1)
finally:
log.info("Instance exiting (pid: %s)", worker_pid)
try:
child.tmp.close()
except:
pass
def start_worker(self):
"""Start a worker and add to list."""
if self.stop_event.is_set():
return
pipe_r, pipe_w = os.pipe()
pid = gevent.fork()
if pid:
os.close(pipe_r)
cntr = WorkerController(pid, pipe_w=pipe_w)
self.workers.add(cntr)
self.exit_completed.clear()
cntr.notify("hello")
return pid
os.close(pipe_w)
w_args, w_kwds = self.worker_args
worker = Worker(self.sock, self.application, *w_args, **w_kwds)
cntr = WorkerController(os.getpid(), pipe_r=pipe_r)
cntr.begin_notify_receive(worker.handle_notification)
try:
worker.serve_forever()
except KeyboardInterrupt:
pass
os._exit(self.exit_stopped)
def run_server(host=None,
port=None,
workers=None,
debug=None,
logfile=None,
stdout=None,
loglevel=None):
if not host:
host = settings.server_host
if not port:
port = settings.server_port
if workers is not None:
settings.workers = workers
if debug:
settings.debug = True
try:
proctitle = settings.proctitle
except AttributeError:
proctitle = 'geweb'
setproctitle(proctitle)
log.info('Starting HTTP server at %s:%d' % (host, port))
pool = Pool(10000)
server = WSGIServer("%s:%s" % (host, port), handle, spawn=pool)
server.init_socket()
for i in xrange(settings.workers - 1):
pid = gevent.fork()
if pid == 0:
break
server.serve_forever()
import gevent
from gevent.server import StreamServer
def eat_cpu():
for i in xrange(10000):
pass
def cb(socket, address):
eat_cpu()
socket.recv(1024)
socket.sendall("HTTP/1.1 200 OK\n\nHello World!!")
socket.close()
server = StreamServer(("", 8000), cb, backlog=100000)
server.pre_start()
gevent.fork()
server.start_accepting()
server._stopped_event.wait()
def _start_server(self):
"""
Low level start
"""
# Allocate a server, and provide a connection callback
logger.info("listen_addr=%s", self._tcp_server_config.listen_addr)
logger.info("listen_port=%s", self._tcp_server_config.listen_port)
logger.info("ssl_enable=%s", self._tcp_server_config.ssl_enable)
logger.info("ssl_key_file=%s", self._tcp_server_config.ssl_key_file)
logger.info("ssl_certificate_file=%s",
self._tcp_server_config.ssl_certificate_file)
logger.info("child_process_count=%s",
self._tcp_server_config.child_process_count)
logger.info("ssl_handshake_timeout_ms=%s",
self._tcp_server_config.ssl_handshake_timeout_ms)
logger.info("onstop_call_client_stopsynch=%s",
self._tcp_server_config.onstop_call_client_stopsynch)
logger.info("socket_absolute_timeout_ms=%s",
self._tcp_server_config.socket_absolute_timeout_ms)
logger.info("socket_relative_timeout_ms=%s",
self._tcp_server_config.socket_relative_timeout_ms)
logger.info("socket_min_checkinterval_ms=%s",
self._tcp_server_config.socket_min_checkinterval_ms)
logger.info("_effective_control_interval_ms=%s",
self._effective_control_interval_ms)
logger.info("stop_client_timeout_ms=%s",
self._tcp_server_config.stop_client_timeout_ms)
logger.info("stop_server_timeout_ms=%s",
self._tcp_server_config.stop_server_timeout_ms)
logger.info("client_factory=%s",
self._tcp_server_config.client_factory)
if self._tcp_server_config.ssl_enable is False:
# No SSL
logger.info("Starting in TCP/CLEAR mode")
self._server = StreamServerNoClose(
(self._tcp_server_config.listen_addr,
self._tcp_server_config.listen_port), self._on_connection)
else:
# SSL ON
logger.info("Starting in TCP/SSL mode")
self._server = StreamServerNoClose(
(self._tcp_server_config.listen_addr,
self._tcp_server_config.listen_port),
self._on_connection,
# SSL enabling
keyfile=self._tcp_server_config.ssl_key_file,
certfile=self._tcp_server_config.ssl_certificate_file,
# SSL handshake after accept
do_handshake_on_connect=True,
# TLS
ssl_version=PROTOCOL_TLSv1,
# Cipher
# ciphers="RC4-MD5",
# Args
)
self._server.min_delay = 0.0
self._server.max_delay = 0.0
# Startup
if self._tcp_server_config.child_process_count <= 0:
# Normal start-up
logger.info("Starting in NON-FORKED mode")
self._server.start()
else:
# Child process startup : prestart
logger.info("Pre-starting in FORKED mode, subprocess=%s",
self._tcp_server_config.child_process_count)
# GEVENT_RC1 fix : pre_start => init_socket
self._server.init_socket()
# Let's rock
logger.info("Forking gevent")
for idx in range(self._tcp_server_config.child_process_count):
# Fork gevent hub
# GEVENT_RC1 fix : hub.fork => os.fork
_fork_pid = gevent.fork()
logger.info("Forking gevent hub done, idx=%s, forkPid=%s, %s",
idx, _fork_pid,
SolBase.get_current_pid_as_string())
# Check it
if _fork_pid == 0:
# We are in a child => exit this loop
SolBase.set_master_process(False)
break
else:
# Master on
SolBase.set_master_process(True)
# Store child pid
logger.info("Storing child _fork_pid=%s", _fork_pid)
self._fork_pid_list.append(int(_fork_pid))
# Start accepting now (parent and all sub-processes)
logger.info("Accepting now, %s",
SolBase.get_current_pid_as_string())
self._server.start_accepting()
def run(self):
if os.path.isfile(self.args.pidfile):
self.log.error("%s found: is the server already running?" % self.args.pidfile)
return 1
stores = dict()
for container, values in self.conf.iteritems():
cli = client.Connection(
values['authurl'], values['username'], values['password'],
auth_version=values['auth_version'],
tenant_name=values['tenant_name'])
try:
headers, _ = cli.get_container(container)
except (socket.error, client.ClientException) as ex:
if getattr(ex, 'http_status', None) == 404:
self.log.warning("%s doesn't exist, skipping" % container)
continue
else:
self.log.error(ex)
return 1
self.log.debug(headers)
meta = getMeta(headers)
if not meta:
self.log.warning("%s doesn't appear to be setup, skipping" % container)
continue
self.log.debug("Meta: %s" % meta)
try:
object_size = int(meta['object-size'])
objects = int(meta['objects'])
except ValueError as ex:
self.log.error("%s doesn't appear to be correct: %s" % (container, ex))
return 1
if meta['version'] != disk_version:
self.log.warning("Version mismatch %s != %s in %s" % (meta['version'], disk_version, container))
stores[container] = SwiftStorage(values['authurl'],
values['username'],
values['password'],
container,
object_size,
objects,
Cache(int(self.args.cache_limit*1024**2 / object_size)),
values['read-only'].lower() in ('1', 'yes', 'true', 'on'),
auth_version=values['auth_version'],
tenant_name=values['tenant_name']
)
addr = (self.args.bind_address, self.args.bind_port)
server = Server(addr, stores)
gevent.signal(signal.SIGTERM, server.stop)
gevent.signal(signal.SIGINT, server.stop)
if not self.args.foreground:
try:
if gevent.fork() != 0:
os._exit(0)
except OSError as ex:
self.log.error("Failed to daemonize: %s" % ex)
return 1
os.setsid()
fd = os.open(os.devnull, os.O_RDWR)
os.dup2(fd, sys.stdin.fileno())
os.dup2(fd, sys.stdout.fileno())
os.dup2(fd, sys.stderr.fileno())
gevent.reinit()
self.log.info("Starting to serve on %s:%s" % (addr[0], addr[1]))
try:
fd = os.open(self.args.pidfile, (os.O_CREAT|os.O_EXCL|os.O_WRONLY), 0644)
except OSError as ex:
self.log.error("Failed to create the pidfile: %s" % ex)
return 1
with os.fdopen(fd, "w") as pidfile_handle:
pidfile_handle.write("%s\n" % os.getpid())
pidfile_handle.flush()
server.serve_forever()
os.remove(self.args.pidfile)
# unlock the storages before exit
server.unlock_all()
self.log.info("Exiting...")
return 0
def _fork(self):
"""Override Daemon._fork with gevent's fork."""
return gevent.fork()
pid = gevent.fork()
if pid > 0:
# Exit first parent
sys.exit(0)
except OSError, e:
sys.stderr.write("fork #1 failed: %d (%s)\n" % (e.errno, e.strerror))
sys.exit(1)
# Decouple from parent environment
os.chdir(self.home_dir)
os.setsid()
os.umask(self.umask)
# Do second fork
try:
pid = gevent.fork()
if pid > 0:
# Exit from second parent
sys.exit(0)
except OSError, e:
sys.stderr.write("fork #2 failed: %d (%s)\n" % (e.errno, e.strerror))
sys.exit(1)
if sys.platform != 'darwin': # This block breaks on OS X
# Redirect standard file descriptors
sys.stdout.flush()
sys.stderr.flush()
si = file(self.stdin, 'r')
so = file(self.stdout, 'a+')
if self.stderr:
se = file(self.stderr, 'a+', 0)
"""
# Do first fork.
try:
pid = gevent.fork()
if pid != 0:
os._exit(0)
except OSError, exc:
# Python raises OSError rather than returning negative numbers.
sys.exit("%s: fork #1 failed: (%d) %s\n"
% (sys.argv[0], exc.errno, exc.strerror))
os.setsid()
# Do second fork
try:
pid = gevent.fork()
if pid > 0:
# Second parent.
os._exit(0)
except OSError, exc:
sys.exit("%s: fork #2 failed: (%d) %s\n"
% (sys.argv[0], exc.errno, exc.strerror))
#os.chdir("/")
si = open(stdin, "r")
so = open(stdout, "a+")
se = open(stderr, "a+", 0)
os.dup2(si.fileno(), sys.stdin.fileno())
os.dup2(so.fileno(), sys.stdout.fileno())
def _godaemon(self):
"""
daemonize us
"""
logger.debug("Entering, pid=%s", os.getpid())
# Limit
self._set_limits()
# Fork1
logger.debug("fork1, %s", SolBase.get_current_pid_as_string())
try:
pid = gevent.fork()
if pid > 0:
# Exit first parent
logger.debug("exit(0) first parent")
sys.exit(0)
except OSError as ex:
logger.error("fork1 failed, exit(1) now : errno=%s, err=%s, ex=%s",
ex.errno, ex.strerror, SolBase.extostr(ex))
sys.exit(1)
logger.debug("fork1 done, %s", SolBase.get_current_pid_as_string())
# Diverge from parent
if self._changeDir:
logger.debug("chdir now")
os.chdir("/")
# Set stuff
logger.debug("setsid and umask")
# noinspection PyArgumentList
os.setsid()
os.umask(0)
# Fork2
logger.debug("fork2, %s", SolBase.get_current_pid_as_string())
try:
pid = gevent.fork()
if pid > 0:
# exit from second parent
logger.debug("exit(0) second parent")
sys.exit(0)
except OSError as ex:
logger.error("fork2 failed, exit(2) now : errno=%s, err=%s, ex=%s",
ex.errno, ex.strerror, SolBase.extostr(ex))
sys.exit(2)
logger.debug("fork2 done, %s", SolBase.get_current_pid_as_string())
# Redirect std
self._redirect_all_std()
# Go
logger.debug("initializing _pidfile=%s", self._pidfile)
# Register the method called at exit
atexit.register(self._remove_pid_file)
# Write pidfile
pid = str(os.getpid())
try:
f = open(self._pidfile, "w")
f.write("%s" % pid)
f.close()
except IOError as ex:
logger.error(
"pid file initialization failed, going exit(3), ex=%s",
SolBase.extostr(ex))
sys.exit(3)
# Ok
logger.debug("pid file set")
# Finish
logger.debug("registering gevent signal handler : SIGUSR1")
signal(SIGUSR1, self._on_reload)
logger.debug("registering gevent signal handler : SIGUSR2")
signal(SIGUSR2, self._on_status)
logger.debug("registering gevent signal handler : SIGTERM")
signal(SIGTERM, self._exit_handler)
logger.debug("registering gevent signal handler : done")
# Fatality
SolBase.voodoo_init()
logger.debug("process started, pid=%s, pidfile=%s", os.getpid(),
self._pidfile)
