#!/usr/bin/python3
# -*- coding: utf-8 -*-
#
# script to start/stop/status/send command/read log for khaganat process
#
# Copyright (C) 2017 AleaJactaEst
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see .
"""
Configuration File
------------------
This script need configuration file (see below for model)::
[config:server]
# Define port listen (default 8000)
port = 8000
# Example to generate all key : see pycertificate
# key
keyfile = /home/gameserver/ca/appli/private/serverkey.pem
# certificate
certfile = /home/gameserver/ca/appli/certs/servercert.pem
# certification to check signature
ca_cert = /home/gameserver/ca/appli/certs/cachaincert.pem
# address listen (default all port)
address =
# method : http or https
method = https
# Admin Executor Service
[command:aes]
# command to launch the program
command = ryzom_admin_service -A/home/gameserver/khanat/server -C/home/gameserver/khanat/server -L/home/gameserver/log/khanat --nobreak --fulladminname=admin_executor_service --shortadminname=AES
# Path : where this program is launched
path = /home/gameserver/khanat/server/
# size buffer log for each program launched (number line stdout)
logsize = 1000
# buffer size (define value bufsize on subprocess.Popen, this buffer is use before read by manager)
bufsize = 100
# bms_master : backup_service
[command:bms_master]
# command to launch the program
command = ryzom_backup_service -A/home/gameserver/khanat/server -C/home/gameserver/khanat/server -L/home/gameserver/khanat/server/log --nobreak --writepid -P49990
# Path : where this program is launched
path = /home/gameserver/khanat/server/
# we keep [logsize] last number line stdout
logsize = 1000
# buffer size (define value bufsize on subprocess.Popen)
bufsize = 100
# It's possible to collect some message on output (example player conected) with regex command
# keep some data on array/dict state
activate_filter = yes
# size array/dict state
size_max_filter = 1000
# search regex to add state (python regex)
add_filter = "^((.*)(setActiveCharForPlayer).*(: set active char )[0-9]+( for )(?P.*)|(.*)(disconnectPlayer)(.+:.+<.+>){0,1}[ ]+(?P.*)[ ]+(is disconnected))"
del_filter = "^((.*)(setActiveCharForPlayer).*(: set active char )[0-9]+( for )(?P.*)|(.*)(disconnectPlayer)(.+:.+<.+>){0,1}[ ]+(?P.*)[ ]+(is disconnected))"
# autostart (when start OpenNelManager, launch this program)
autostart = no
# restart after crash
restart_after_crash = yes
# Delay after each restart (second)
restart_delay = 10
# Enable special filter EGS (account connection / command admin)
egs_filter = yes
Manager
-------
Manage all process khaganat
Launch this prorgam in background and use clientManager to manipulate process
Design
.. graphviz::
digraph Manager {
"Manager" -> "ManageCommand (command 1)";
"ManageCommand (command 1)" -> "read_output (thread1)";
"Manager" -> "ManageCommand (command 2)";
"ManageCommand (command 2)" -> "read_output (thread2)";
"Manager" -> "ServerHttp";
"ServerHttp" -> "khaganatHTTPServer";
"khaganatHTTPServer" -> "ManageHttpRequest";
"ManageHttpRequest" -> "ManageCommand (command 1)" [style=dashed];
"ManageHttpRequest" -> "ManageCommand (command 2)" [style=dashed];
}
http(s) command :
-----------------
+------------------+------------------+---------------------------------------------+-----------------------------------------------+------------------------------+
| **Html command** | **Path** | **Argument** {json format} | **Comment** | **Return*** |
+------------------+------------------+---------------------------------------------+-----------------------------------------------+------------------------------+
| **POST** | /SHUTDOWN | | Stop all process and stop pymanager | |
+------------------+------------------+---------------------------------------------+-----------------------------------------------+------------------------------+
| **POST** | /STARTALL | | Start all processes | |
+------------------+------------------+---------------------------------------------+-----------------------------------------------+------------------------------+
| **GET** | /STATUSALL | | Get status all processes | |
+------------------+------------------+---------------------------------------------+-----------------------------------------------+------------------------------+
| **POST** | /STOPALL | | Stop all processes | |
+------------------+------------------+---------------------------------------------+-----------------------------------------------+------------------------------+
| **POST** | /START | {'name': program} | Start for one program | {'state': ''} |
+------------------+------------------+---------------------------------------------+-----------------------------------------------+------------------------------+
| **POST** | /STDIN | {'name': program, 'action': action} | Send action for one program (send to input) | |
+------------------+------------------+---------------------------------------------+-----------------------------------------------+------------------------------+
| **GET** | /STATUS | {'name': program} | Get status for one program | {'state': ''} |
+------------------+------------------+---------------------------------------------+-----------------------------------------------+------------------------------+
| **POST** | /STOP | {'name': program} | Stop for one program | {'state': ''} |
+------------------+------------------+---------------------------------------------+-----------------------------------------------+------------------------------+
| **GET** | /STDOUT | {'name': program, 'first-line': firstline } | Get log for one program | |
+------------------+------------------+---------------------------------------------+-----------------------------------------------+------------------------------+
| **GET** | /FILTER | {'name': program } | Get all state (key find in stdout add/remove) | |
+------------------+------------------+---------------------------------------------+-----------------------------------------------+------------------------------+
| **GET** | /CONFIG | {'name': program } | Get configuration | |
+------------------+------------------+---------------------------------------------+-----------------------------------------------+------------------------------+
| **GET** | /INFO | {'name': program } | Get Information (number player, ...) | |
+------------------+------------------+---------------------------------------------+-----------------------------------------------+------------------------------+
| **GET** | /PLAYER | {'name': program } | Get active player | |
+------------------+------------------+---------------------------------------------+-----------------------------------------------+------------------------------+
| **GET** | /ADMINCOMMAND | {'name': program } | Get admin commmand | |
+------------------+------------------+---------------------------------------------+-----------------------------------------------+------------------------------+
Example ::
nohup pymanager --log info --filelog /home/gameserver/log/manager.log -c /home/gameserver/cfg/khaganat.cfg 2>/dev/null 1>/dev/null 0 %s" % (command, name, outjson))
self._set_headers()
self.wfile.write(bytes(json.dumps(outjson), "utf-8"))
def check_authentication(self):
if not self.server.authentification:
return True
if __DISABLE_BCRYPT__:
logging.error("Error module python bcrypt not installed")
return False
try:
auth_header = self.headers['Authorization'].split()
if auth_header[0] != 'Basic':
logging.error("Authentification with Bad method (%s)" % auth_header[0])
return False
decode = base64.b64decode(auth_header[1]).decode('UTF-8')
account, password = decode.split(':', maxsplit=1)
if account not in self.server.users:
logging.error("Authentification with unknown user (%s)" % account)
return False
hashed_password = self.server.users[account]
if bcrypt.checkpw(password.encode('utf-8'), hashed_password):
return True
else:
logging.error("Authentification with wrong password for user (%s)" % account)
return False
except (ValueError, IndexError, AttributeError) as e:
logging.error("Error detected %s" % e)
return False
def do_GET(self):
"""
Manage request READ
we can execute LOG, STATUS, LIST & STATUSALL
"""
logging.debug('get recieved : %s' % self.path)
if not self.check_authentication():
self.send_error(403, 'Wrong authentication')
logging.error("Wrong authentication")
elif self.path == '/STDOUT':
self._command_log()
elif self.path == "/FILTER":
self._send_command("FILTER")
elif self.path == "/INFO":
self._send_command("INFO")
elif self.path == "/PLAYER":
self._send_command("PLAYER")
elif self.path == "/ADMINCOMMAND":
self._send_command("ADMINCOMMAND")
elif self.path == "/CONFIG":
self._send_command("CONFIG")
elif self.path == '/STATUS':
self._send_command("STATUS")
elif self.path == '/LIST':
self._send_list()
elif self.path == '/STATUSALL':
self._send_command_all("STATUS")
else:
self.send_error(400, 'Path unknown')
logging.error("Path unknwon '%s'" % self.path)
def do_POST(self):
""" Manage request POST (CREATE)
currently, we execute START, STOP, ACTION, SHUTDOWN, STARTALL & STOPALL
"""
logging.debug('post recieved : %s' % self.path)
if not self.check_authentication():
self.send_error(403, 'Wrong authentication')
logging.error("Wrong authentication")
elif self.path == '/START':
self._send_command("START")
elif self.path == '/STOP':
self._send_command("STOP")
elif self.path == '/STDIN':
self._send_action()
elif self.path == '/SHUTDOWN':
self._send_shutdown()
elif self.path == '/STARTALL':
self._send_command_all("START")
elif self.path == '/STOPALL':
self._send_command_all("STOP")
else:
self.send_error(400, 'Path unknown')
logging.error("Path unknwon '%s'" % self.path)
def do_HEAD(self):
""" request HEAD received """
logging.debug('head recieved : %s' % self.path)
self.send_error(404, 'File Not Found: %s' % self.path)
def do_PUT(self):
""" request PUT (UPDATE/REPLACE) received """
logging.debug('put recieved!')
self.send_error(404, 'File Not Found: %s' % self.path)
def do_PATCH(self):
""" request PATCH (UPDATE/MODIFY) received """
logging.debug('patch recieved!')
self.send_error(404, 'File Not Found: %s' % self.path)
def do_DELETE(self):
""" request DELETE received """
logging.debug('delete recieved!')
self.send_error(404, 'File Not Found: %s' % self.path)
def do_OPTIONS(self):
""" request OPTIONS received """
self.send_response(200, "ok")
self.send_header('Access-Control-Allow-Origin', '*')
self.send_header('Access-Control-Allow-Methods', 'GET, POST, OPTIONS')
self.send_header("Access-Control-Allow-Headers", "Content-Type, *")
self.end_headers()
class khaganatHTTPServer(ThreadingMixIn, http.server.HTTPServer):
"""
Class khaganatHTTPServer
Redefine HTTPServer (adding queue input & queue output, use by ManageHttpRequest)
"""
def __init__(self,
listQueueIn,
listQueueOut,
listSemaphore,
server_address,
RequestHandlerClass,
authentification,
users,
bind_and_activate=True):
http.server.HTTPServer.__init__(self, server_address, RequestHandlerClass, bind_and_activate)
self.listQueueIn = listQueueIn
self.listQueueOut = listQueueOut
self.listSemaphore = listSemaphore
self.authentification = authentification
self.users = users
class ServerHttp(multiprocessing.Process):
"""
Initialize server HTTPS
* define Dictionnary queueIn & queueOut (with key as section's name in configuration)
"""
def __init__(self, keyfile, certfile, ca_cert, address='',
port=8000, authentification=True, method='http', users={}):
multiprocessing.Process.__init__(self)
self.listQueueIn = {}
self.listQueueOut = {}
self.listSemaphore = {}
self.port = port
self.key_file = keyfile
self.cert_file = certfile
self.ca_cert = ca_cert
self.address = address
self.authentification = authentification
self.users = users
self.method = method
def run(self):
server_address = (self.address, self.port)
httpd = khaganatHTTPServer(self.listQueueIn,
self.listQueueOut,
self.listSemaphore,
server_address,
ManageHttpRequest,
self.authentification,
self.users)
if self.method == 'http':
logging.info('http listen')
elif self.method == 'https':
if self.ca_cert:
httpd.socket = ssl.wrap_socket(httpd.socket,
keyfile=self.key_file,
certfile=self.cert_file,
ca_certs=self.ca_cert,
cert_reqs=ssl.CERT_REQUIRED,
ssl_version=ssl.PROTOCOL_TLSv1_2,
server_side=True)
else:
httpd.socket = ssl.wrap_socket(httpd.socket,
keyfile=self.key_file,
certfile=self.cert_file,
server_side=True)
logging.info('https listen')
else:
logging.error("Bad value 'method' (%s)" % str(self.method))
raise ValueError
httpd.serve_forever()
logging.info("End")
def appendchild(self, name, queueIn, queueOut, semaphore):
self.listQueueIn.setdefault(name, queueIn)
self.listQueueOut.setdefault(name, queueOut)
self.listSemaphore.setdefault(name, semaphore)
class ManageCommand():
"""
Manage Command (only one)
* start/stop/status/get log/send an action [stdin] for command (receive order with queueIn)
* read output [in other thread]
* communicate with ManageHttpRequest (with queueOut)
"""
def __init__(self, name,
command, path,
logsize, bufsize, queueIn, queueOut, semaphore,
activate_filter, size_max_filter, add_filter, del_filter,
autostart, restart_after_crash, restart_delay,
egs_filter,
maxWaitEnd=10, waitDelay=1):
self.process = None
self.queueIn = queueIn
self.queueOut = queueOut
self.name = name
self.command = command
self.path = path
self.log = []
self.poslastlog = 0
self.maxlog = logsize
self.semaphore = semaphore
self.bufsize = bufsize
self.threadRead = None
self.running = False
# self.state = multiprocessing.Queue()
self.pipeIn, self.pipeOut = multiprocessing.Pipe()
self.eventRunningReader = threading.Event()
self.eventRunningRestart = threading.Event()
self.maxWaitEnd = maxWaitEnd
self.waitDelay = waitDelay
self.activate_filter = activate_filter
self.size_max_filter = size_max_filter
self.add_filter_cmd = add_filter[1:-1]
self.del_filter_cmd = del_filter[1:-1]
self.filter_add_filter = re.compile(self.add_filter_cmd)
self.filter_del_filter = re.compile(self.del_filter_cmd)
self.filter = {}
self.autostart = autostart
self.restart_after_crash = restart_after_crash
self.restart_delay = restart_delay
self.threadRestart = None
self.egs_filter = egs_filter
self.egs_filter_register_entity = re.compile(r".*(registerEntity).*(: EIT: Register EId )[(](?P.*)[)] EntityName '(?P[^']+)' UId (?P[\d]+) UserName '(?P[^']+)'")
self.egs_filter_active_character = re.compile(r".*(setActiveCharForPlayer).*(: set active char )(?P[\d]+)( for player )(?P[\d]+)")
self.egs_filter_sid = re.compile(r".*(Mapping UID )(?P[\d]+)( => Sid )[(](?P.*)[)]")
self.egs_filter_client_ready = re.compile(r".*(Updating IS_NEWBIE flag for character: )[(](?P.*)[)]")
self.egs_filter_disconnected = re.compile(r".*(disconnectPlayer).+[\s]+(player )(?P[\d]+)[\s]+(is disconnected)")
self.egs_filter_admin = re.compile(r"(.*)(cbClientAdmin).*(: ADMIN)(: Player )[(](?P.*)[)](?P.+)")
self.filter_register_entity = {}
self.filter_active_character = {}
self.filter_admin = {}
self.number_start = 0
self.first_line = 0
self.last_line = 0
self.pos_admin = 0
def _analyze_line(self, msg):
now = time.strftime('%Y/%m/%d %H:%M:%S %Z')
self.poslastlog += 1
while len(self.log) >= self.maxlog:
self.log.pop(0)
self.first_line = self.first_line + 1
self.log.append(now + ' ' + msg)
self.last_line = self.last_line + 1
# If option sate is defined, analyze message and keep state (example , all player connected)
logging.debug("recu: '%s'" % (msg))
if self.activate_filter:
res = self.filter_add_filter.match(msg)
if res:
logging.debug("add_filter found")
if len(self.filter) < self.size_max_filter:
logging.debug("include add_filter found")
dico = res.groupdict()
for key in dico:
logging.debug("set add_filter found [%s]" % (str(key)))
if dico[key]:
logging.debug("set1 add_filter found [%s][%s]" % (str(key), str(dico[key])))
self.filter.setdefault(key, {})
self.filter[key].setdefault(dico[key], now)
res = self.filter_del_filter.match(msg)
if res:
logging.debug("del_filter found")
dico = res.groupdict()
for key in dico:
logging.debug("prepare del_filter found %s" % str(key))
if dico[key]:
self.filter.setdefault(key, {})
if dico[key] in self.filter[key]:
logging.debug("del1 del_filter found [%s][%s][%s]" % (str(key), str(dico[key]), str(self.filter[key])))
del self.filter[key][dico[key]]
if self.egs_filter:
res = self.egs_filter_register_entity.match(msg)
if res:
logging.debug("egs_filter_register_entity found")
if len(self.filter_register_entity) < self.size_max_filter:
logging.debug("include filter_register_entity found")
dico = res.groupdict()
try:
self.filter_register_entity.setdefault(dico['UID'], {})
IDCHAR = len(self.filter_register_entity[dico['UID']])
if IDCHAR > 0:
# check UserName
if dico['UserName'] != self.filter_register_entity[dico['UID']][0]['UserName']:
logging.info("Remove old player %s by %s (UID:%d)" % (self.filter_register_entity[dico['UID']][IDCHAR]['UserName'], dico['UserName'], dico['UID']))
del self.filter_register_entity[dico['UID']]
logging.debug("add filter_register_entity (uid:%s char:%d)" % (dico['UID'], IDCHAR))
self.filter_register_entity[dico['UID']].setdefault(IDCHAR, {'NameDomain': dico['NameDomain'], 'UserName': dico['UserName'], 'UID': dico['UID'], "EId": dico['EId'], 'When': now, 'CHAR': IDCHAR})
except KeyError as e:
logging.error('Missing key when read "register_entity" (%s)' % e)
else:
logging.warning("impossible to add param 'register_entity' (size too high)")
return
res = self.egs_filter_active_character.match(msg)
if res:
logging.debug("egs_filter_active_character found")
dico = res.groupdict()
if len(self.filter_active_character) < self.size_max_filter:
try:
self.filter_active_character.setdefault(dico['UID'], {})
self.filter_active_character[dico['UID']] = self.filter_register_entity[dico['UID']][int(dico['IDCHAR'])]
except KeyError as e:
logging.error('Missing key when read "active_character" (%s)' % e)
else:
logging.warning("impossible to add param 'active_character' (size too high)")
# try:
# del self.filter_register_entity[dico['UID']]
# except KeyError as e:
# logging.error('Missing key when delete "active_character" (%s)' % e)
return
res = self.egs_filter_sid.match(msg)
if res:
logging.debug("egs_filter_sid found")
dico = res.groupdict()
try:
if dico['UID'] in self.filter_active_character:
self.filter_active_character[dico['UID']].setdefault("SID", dico['SID'])
self.filter_active_character[dico['UID']].setdefault("When", now)
else:
logging.error('Impossible to add SID on player %s (Player not found)' % dico['UID'])
except KeyError as e:
logging.error('Missing key when read "sid" (%s)' % e)
return
res = self.egs_filter_disconnected.match(msg)
if res:
logging.debug("egs_filter_sid found")
dico = res.groupdict()
try:
if dico['UID'] in self.filter_active_character:
del self.filter_active_character[dico['UID']]
else:
logging.error('Impossible to remove player %s (Player not found)' % dico['UID'])
except KeyError as e:
logging.error('Missing key when remove player (%s)' % e)
return
res = self.egs_filter_admin.match(msg)
if res:
logging.debug("egs_filter_admin found")
while len(self.filter_admin) >= self.maxlog:
print(self.pos_admin, self.pos_admin - self.maxlog)
del self.filter_admin[self.pos_admin - self.maxlog]
try:
dico = res.groupdict()
UserName = ''
NameDomain = ''
try:
for key in self.filter_active_character:
if self.filter_active_character[key]['SID'] == dico['SID']:
NameDomain = self.filter_active_character[key]['NameDomain']
UserName = self.filter_active_character[key]['UserName']
EId = self.filter_active_character[key]['EId']
break
except KeyError:
pass
self.filter_admin.setdefault(self.pos_admin, {'When': now, 'SID': dico['SID'], "EId": EId, 'ACTION': dico['ACTION'], 'NameDomain': NameDomain, 'UserName': UserName})
except KeyError as e:
logging.error('Missing key when admin player (%s)' % e)
self.pos_admin = self.pos_admin + 1
return
def _readline_stdout(self):
try:
line = self.process.stdout.readline()
except AttributeError:
logging.error("process %s down (not detected)" % self.name)
return True, False
except ValueError:
logging.error("process %s down (not detected)" % self.name)
return True, False
if not line:
time.sleep(self.waitDelay)
return False, True
logging.debug("line %s " % line)
self._analyze_line(line.decode().strip())
return False, False
def read_output(self):
""" Thread to read output (stdout) """
fl = fcntl.fcntl(self.process.stdout, fcntl.F_GETFL)
fcntl.fcntl(self.process.stdout, fcntl.F_SETFL, fl | os.O_NONBLOCK)
logging.debug("Start reader %s" % self.name)
crashed = False
while self.eventRunningReader.is_set():
try:
logging.debug("ping")
code = self.process.poll()
if code is not None:
logging.error("process %s down" % self.name)
crashed = True
except AttributeError as e:
logging.warning("process %s down (%s)" % (self.name, e))
break
crashedbis, end = self._readline_stdout()
if end and (crashed or crashedbis):
break
# Send to thread manage process
if crashed:
logging.debug("Process stopped : '%s'" % self.name)
wait_semaphore = self.semaphore.acquire(False)
while self.eventRunningReader.is_set() and not wait_semaphore:
time.sleep(1)
wait_semaphore = self.semaphore.acquire(False)
if wait_semaphore:
self.queueIn.put("STOPPED")
self.semaphore.release()
if self.activate_filter:
self.filter_load_character = {}
self.filter_active_character = {}
logging.debug("End reader: '%s'" % self.name)
def restart(self):
""" Thread to restart after crash """
logging.debug('initialize process restart %s (wait %ds)' % (self.name, self.restart_delay))
time.sleep(self.restart_delay)
logging.debug('Prepare restart service %s' % (self.name))
wait_semaphore = self.semaphore.acquire(False)
while self.eventRunningRestart.is_set() and not wait_semaphore:
logging.debug('Ping - restart service %s' % (self.name))
time.sleep(1)
wait_semaphore = self.semaphore.acquire(False)
logging.debug('Prepare restart service %s (step 2)' % (self.name))
if wait_semaphore:
logging.debug('Restart service %s' % (self.name))
self.queueIn.put("START")
self.queueOut.get()
self.semaphore.release()
logging.debug('Prepare restart service %s (step 3)' % (self.name))
def receive_signal(self, signum, frame):
""" Managed signal (not used) """
logging.info("Received signal %s (%d)" % (self.name, signum))
self.queueIn.put("SHUTDOWN")
self.queueIn.put("SHUTDOWN")
def start(self):
""" Start program """
logging.debug("start %s" % (self.name))
if self.process:
logging.debug("%s already exist" % self.name)
code = self.process.poll()
if code is None:
logging.debug("%s already exist" % self.name)
return 0
else:
logging.debug("%s crashed" % self.name)
code = self.process.wait()
self.process.stdin.close()
self.process.stdout.close()
logging.error("%s crashed (return code:%d) - restart program" % (self.name, code))
try:
self.process = subprocess.Popen(self.command.split(),
cwd=self.path,
shell=False,
bufsize=self.bufsize,
stdin=subprocess.PIPE,
stdout=subprocess.PIPE,
stderr=subprocess.STDOUT,
close_fds=True)
except FileNotFoundError as e:
logging.error("Impossible to start %s (%s)" % (self.name, e))
return 2
except PermissionError as e:
logging.error("Impossible to start %s (%s)" % (self.name, e))
return 2
if self.threadRead:
self.eventRunningReader.clear()
self.threadRead.join()
self.threadRead = None
self.running = True
self.eventRunningReader.set()
self.threadRead = threading.Thread(target=self.read_output)
self.threadRead.start()
tmp = self.number_start
tmp = tmp + 1
if tmp > self.number_start:
self.number_start = tmp
return 0
def status(self):
""" Get status of program """
logging.debug("status %s" % (self.name))
if self.process:
logging.debug("status %s - check" % (self.name))
code = self.process.poll()
if code is None:
logging.debug("%s status [started]" % (self.name))
return 0
else:
logging.error("%s crashed (return code:%d)" % (self.name, code))
# self.queueIn.put("STOPPED")
return 2
else:
logging.debug("%s status [stopped]" % (self.name))
return 1
def list_thread(self):
""" List number thrad (not used) """
logging.debug('list thread')
# main_thread = threading.currentThread()
for t in threading.enumerate():
logging.debug('thread %s', t.getName())
logging.debug("id %d" % t.ident)
def stop(self):
""" Stop program """
logging.debug("stop %s" % (self.name))
if not self.process:
return 1
else:
try:
code = self.process.poll()
loop = self.maxWaitEnd
while (code is None) and (loop > 0):
logging.debug("stop process %s", self.name)
self.process.send_signal(15)
time.sleep(1)
code = self.process.poll()
loop -= 1
except ProcessLookupError as e:
logging.warning("Stop process (%s)" % str(e))
try:
loop = self.maxWaitEnd
while (code is None) and (loop > 0):
logging.debug("terminate process %s", self.name)
self.process.terminate()
time.sleep(1)
code = self.process.poll()
loop -= 1
except ProcessLookupError as e:
logging.warning("Stop process (%s)" % str(e))
try:
loop = self.maxWaitEnd
while (code is None) and (loop > 0):
logging.debug("kill process %s", self.name)
self.process.send_signal(9)
time.sleep(1)
code = self.process.poll()
loop -= 1
except ProcessLookupError as e:
logging.warning("Stop process (%s)" % str(e))
try:
code = self.process.wait()
self.process.stdin.close()
self.process.stdout.close()
self.process = None
if self.threadRead:
self.eventRunningReader.clear()
self.threadRead.join()
self.threadRead = None
logging.info("%s stopped (return code:%d)" % (self.name, code))
except ProcessLookupError as e:
logging.warning("Stop process (%s)" % str(e))
return 1
def getlog(self, firstline):
""" Get log """
logging.debug("read log %d " % firstline)
outjson = {}
pos = self.poslastlog - len(self.log) + 1
firstlinefound = 0
for line in self.log:
if pos >= firstline:
outjson.setdefault(pos, line)
if not firstlinefound:
firstlinefound = pos
pos += 1
outjson.setdefault('first-line', firstlinefound)
outjson.setdefault('last-line', pos - 1)
return outjson
def getfilter(self):
""" Get filter """
return self.filter
def getconfig(self):
outjson = {'activate_filter': str(self.activate_filter),
'bufsize': str(self.bufsize),
'size_max_filter': str(self.size_max_filter),
'path': str(self.path),
'add_filter': str(self.add_filter_cmd),
'del_filter': str(self.del_filter_cmd),
'command': str(self.command),
'maxWaitEnd': str(self.maxWaitEnd),
'waitDelay': str(self.waitDelay),
'maxlog': str(self.maxlog),
'filter': str(self.activate_filter),
'egs': str(self.egs_filter)}
return outjson
def getinfo(self):
outjson = {'number_launch': str(self.number_start),
'first_line': str(self.first_line),
'last_line': str(self.last_line),
'number_filter': len(self.filter),
'player_connected': len(self.filter_active_character)}
return outjson
def getplayer(self):
return self.filter_active_character
def getadmincommand(self):
return self.filter_admin
def action(self, action):
""" Send action to program (send input to stdin) """
logging.debug("STDIN '%s'" % action)
if self.process:
code = self.process.poll()
if code is None:
if action:
self.process.stdin.write(bytes(action+'\n', 'UTF-8'))
self.process.stdin.flush()
return "ok"
return "ko"
def run(self):
""" loop, run child (wait command) """
signal.signal(signal.SIGABRT, self.receive_signal)
signal.signal(signal.SIGTERM, self.receive_signal)
statuscmd = {0: 'started', 1: 'stopped', 2: 'crashed'}
loop = True
if self.autostart:
savedstate = self.start()
else:
savedstate = 1
while loop:
logging.debug('wait event %s' % self.name)
msg = self.queueIn.get()
logging.debug("command : '%s'" % msg)
command = msg.split()[0]
if command == "SHUTDOWN":
loop = False
continue
elif command == "START":
savedstate = self.start()
self.queueOut.put({'state': statuscmd[savedstate]})
elif command == "STATUS":
currentstate = self.status()
if currentstate != 1 or savedstate != 2:
savedstate = currentstate
self.queueOut.put({'state': statuscmd[savedstate],
'last_line': str(self.last_line),
'number_launch': str(self.number_start),
'filter': str(self.activate_filter),
'egs': str(self.egs_filter)})
elif command == "STOP":
savedstate = self.stop()
self.queueOut.put({'state': statuscmd[savedstate]})
elif command == "STDIN":
data = msg.split(maxsplit=1)[1]
self.queueOut.put({'state': self.action(data)})
elif command == "STDOUT":
try:
firstline = int(msg.split(maxsplit=1)[1])
except ValueError:
logging.warning("Bad value for param first-line (need integer)")
firstline = 0
except IndexError:
firstline = 0
self.queueOut.put(self.getlog(firstline))
elif command == "FILTER":
self.queueOut.put(self.getfilter())
elif command == "CONFIG":
self.queueOut.put(self.getconfig())
elif command == "INFO":
self.queueOut.put(self.getinfo())
elif command == "PLAYER":
self.queueOut.put(self.getplayer())
elif command == "ADMINCOMMAND":
self.queueOut.put(self.getadmincommand())
elif command == "STOPPED":
currentstate = self.status()
logging.debug('Received event process stopped (current state:%d, saved state:%d)' % (currentstate, savedstate))
if currentstate == 2 and savedstate != 1 and self.restart_after_crash:
logging.debug('Prepare restart')
self.stop()
savedstate = 2
self.eventRunningRestart.clear()
try:
self.threadRestart.terminate()
self.threadRestart.join()
except AttributeError:
pass
self.eventRunningRestart.set()
self.threadRestart = threading.Thread(target=self.restart)
self.threadRestart.start()
else:
logging.warning("Bad command (%s)" % command)
self.queueOut.put({"error": "command unknown"})
logging.debug('Stop %s' % self.name)
self.stop()
logging.debug('prepare end')
self.eventRunningReader.clear()
if self.threadRead:
try:
self.threadRead.join()
except AttributeError:
pass
self.eventRunningRestart.clear()
if self.threadRestart:
try:
self.threadRestart.terminate()
self.threadRestart.join()
except AttributeError:
pass
logging.debug('end')
class Manager():
"""
Manage all services
(read configuration, launch ManageCommand & launch ServerHttp & wait the end)
* https service
* all child to manage (it start ManageCommand by command define in configuration)
"""
def __init__(self, launch_program):
self.threadCommand = []
self.info = {}
self.command = []
self.launch_program = launch_program
self.param = {}
self.users = {}
self.passwordfile = None
self.serverHttp = None
self.port = 8000
self.address = ''
self.keyfile = 'crt/key.pem'
self.certfile = 'crt/cert.pem'
self.ca_cert = 'crt/ca_cert.crt'
self.authentification = False
self.method = 'http'
def load_config(self, filecfg):
if filecfg is None:
raise ValueError
config = configparser.ConfigParser()
config.read_file(filecfg)
self._load_config(config)
def load_password(self):
if self.passwordfile:
with open(self.passwordfile, 'rt') as fp:
for line in fp:
line = line.strip()
if not line:
continue
username, password = line.split(':', maxsplit=1)
self.users.setdefault(username, password)
def _load_config(self, config):
"""
Read configuration object
param: config: configuration object
"""
logging.debug("Sections :%s" % config.sections())
for name in config.sections():
if name == 'config:client':
continue
if name == 'config:user':
continue
elif name == 'config:server':
logging.debug("read config '%s'" % name)
try:
self.port = int(config[name]['port'])
except (TypeError, KeyError, ValueError):
pass
try:
self.address = config[name]['address']
except (TypeError, KeyError):
pass
try:
self.keyfile = config[name]['keyfile']
except (TypeError, KeyError):
pass
try:
self.certfile = config[name]['certfile']
except (TypeError, KeyError):
pass
try:
self.ca_cert = config[name]['ca_cert']
except (TypeError, KeyError):
pass
try:
tmp = config[name]['authentification']
if tmp.upper().strip() == 'YES':
self.authentification = True
else:
self.authentification = False
except (TypeError, KeyError):
pass
try:
self.passwordfile = config[name]['passwordfile']
except (TypeError, KeyError):
pass
try:
self.method = config[name]['method']
except (TypeError, KeyError):
pass
else:
try:
head, value = name.split(':', maxsplit=1)
except ValueError:
logging.warning("ignore bad parameter '%s'" % (name))
continue
if head == 'command' and 'command' in config[name]:
logging.debug("read command '%s'" % name)
if 'path' in config[name]:
path = config[name]['path']
else:
path = None
if 'logsize' in config[name]:
try:
logsize = int(config[name]['logsize'])
except (TypeError, KeyError, ValueError):
logging.error("Impossible to read param logsize (command:%s)", name)
raise ValueError
else:
logsize = 100
if 'bufsize' in config[name]:
try:
bufsize = int(config[name]['bufsize'])
except (TypeError, KeyError, ValueError):
logging.error("Impossible to read param bufsize (command:%s)", name)
raise ValueError
else:
bufsize = 100
if 'activate_filter' in config[name]:
try:
tmp = config[name]['activate_filter']
if tmp.upper().strip() == 'YES':
activate_filter = True
else:
activate_filter = False
except (TypeError, KeyError, ValueError):
logging.error("Impossible to read param activate_filter (command:%s)", name)
raise ValueError
else:
activate_filter = False
if 'size_max_filter' in config[name]:
try:
size_max_filter = int(config[name]['size_max_filter'])
except (TypeError, KeyError, ValueError):
logging.error("Impossible to read param size_max_filter (command:%s)", name)
raise ValueError
else:
size_max_filter = 100
if 'add_filter' in config[name]:
try:
add_filter = config[name]['add_filter']
except (TypeError, KeyError, ValueError):
logging.error("Impossible to read param add_filter (command:%s)", name)
raise ValueError
else:
add_filter = ''
if 'del_filter' in config[name]:
try:
del_filter = config[name]['del_filter']
except (TypeError, KeyError, ValueError):
logging.error("Impossible to read param del_filter (command:%s)", name)
raise ValueError
else:
del_filter = ''
if 'autostart' in config[name]:
try:
tmp = config[name]['autostart']
if tmp.upper().strip() == 'YES':
autostart = True
else:
autostart = False
except (TypeError, KeyError, ValueError):
logging.error("Impossible to read param autostart (command:%s)", name)
raise ValueError
else:
autostart = False
if 'restart_after_crash' in config[name]:
try:
tmp = config[name]['restart_after_crash']
if tmp.upper().strip() == 'YES':
restart_after_crash = True
else:
restart_after_crash = False
except (TypeError, KeyError, ValueError):
logging.error("Impossible to read param restart_after_crash (command:%s)", name)
raise ValueError
else:
restart_after_crash = False
if 'restart_delay' in config[name]:
try:
restart_delay = int(config[name]['restart_delay'])
except (TypeError, KeyError, ValueError):
logging.error("Impossible to read param restart_delay (command:%s)", name)
raise ValueError
else:
restart_delay = 10
if 'egs_filter' in config[name]:
try:
tmp = config[name]['egs_filter']
if tmp.upper().strip() == 'YES':
egs_filter = True
else:
egs_filter = False
except (TypeError, KeyError, ValueError):
logging.error("Impossible to read param autostart (command:%s)", name)
raise ValueError
else:
egs_filter = False
self.param.setdefault(name, {'command': config[name]['command'],
'path': path,
'logsize': logsize,
'bufsize': bufsize,
'activate_filter': activate_filter,
'size_max_filter': size_max_filter,
'add_filter': add_filter,
'del_filter': del_filter,
'autostart': autostart,
'restart_after_crash': restart_after_crash,
'restart_delay': restart_delay,
'egs_filter': egs_filter})
def initialize_http(self):
"""
Initialize object serverHttp
"""
logging.debug("Initialize server http(s)")
self.serverHttp = ServerHttp(self.keyfile,
self.certfile,
self.ca_cert,
self.address,
self.port,
authentification=self.authentification,
method=self.method,
users=self.users)
def runCommand(self, name, command, path, logsize, bufsize, queueIn, queueOut, semaphore,
activate_filter, size_max_filter, add_filter, del_filter,
autostart, restart_after_crash, restart_delay, egs_filter):
"""
Thread to manage khaganat program
"""
logging.debug("Initialize '%s'" % name)
manageCommand = ManageCommand(name=name,
command=command,
path=path,
logsize=logsize,
bufsize=bufsize,
queueIn=queueIn,
queueOut=queueOut,
semaphore=semaphore,
activate_filter=activate_filter,
size_max_filter=size_max_filter,
add_filter=add_filter,
del_filter=del_filter,
autostart=autostart,
restart_after_crash=restart_after_crash,
restart_delay=restart_delay,
egs_filter=egs_filter)
manageCommand.run()
def launch_server_http(self):
""" Launch server https """
self.serverHttp.daemon = True
self.serverHttp.start()
def launch_command(self):
""" Launch child to manage each program """
for name in self.param:
logging.debug("Initialize '%s'" % name)
queueIn = multiprocessing.Queue()
queueOut = multiprocessing.Queue()
# semaphore = multiprocessing.Semaphore()
semaphore = multiprocessing.BoundedSemaphore()
self.serverHttp.appendchild(name, queueIn, queueOut, semaphore)
if self.launch_program:
autostart = True
else:
autostart = self.param[name]['autostart']
threadCommand = multiprocessing.Process(target=self.runCommand,
args=(name,
self.param[name]['command'],
self.param[name]['path'],
self.param[name]['logsize'],
self.param[name]['bufsize'],
queueIn,
queueOut,
semaphore,
self.param[name]['activate_filter'],
self.param[name]['size_max_filter'],
self.param[name]['add_filter'],
self.param[name]['del_filter'],
autostart,
self.param[name]['restart_after_crash'],
self.param[name]['restart_delay'],
self.param[name]['egs_filter']))
threadCommand.start()
self.threadCommand.append(threadCommand)
self.info.setdefault(name, {'queueIn': queueIn,
'queueOut': queueOut,
'semaphore': semaphore,
'threadCommand': threadCommand,
'command': self.param[name]['command'],
'path': self.param[name]['path'],
'logsize': self.param[name]['logsize'],
'bufsize': self.param[name]['bufsize'],
'activate_filter': self.param[name]['activate_filter'],
'size_max_filter': self.param[name]['size_max_filter'],
'add_filter': self.param[name]['add_filter'],
'del_filter': self.param[name]['del_filter'],
'autostart': autostart,
'restart_after_crash': self.param[name]['restart_after_crash'],
'restart_delay': self.param[name]['restart_delay'],
'egs_filter': self.param[name]['egs_filter']})
def receive_signal(self, signum, frame):
""" Managed signal """
logging.info("Received signal (%d)" % (signum))
for child in self.threadCommand:
logging.info("send signal to child %s" % (child.name))
try:
child.terminate()
child.join()
except AttributeError:
logging.info("child not started")
pass
if self.serverHttp:
logging.info("send signal to server http")
try:
self.serverHttp.terminate()
except AttributeError:
pass
logging.info("Finalize signal (%d)" % (signum))
os._exit(0)
def wait_children_commands(self):
for child in self.threadCommand:
child.join()
def wait_child_server_http(self):
self.serverHttp.terminate()
self.serverHttp.join()
def run(self):
""" launch all """
signal.signal(signal.SIGABRT, self.receive_signal)
signal.signal(signal.SIGTERM, self.receive_signal)
self.launch_command()
self.launch_server_http()
logging.info('started')
self.wait_children_commands()
logging.info('execute shutdown')
signal.alarm(0)
logging.info('wait thread http')
time.sleep(1)
self.wait_child_server_http()
logging.info('shutdown completed')
def root(filecfg, fileLog, logLevel, launch_program, show_log_console):
"""
Main function
:param str filecfg: configuration file
:param str fileLog: log file
:param bool launch_program: do you launch program when you start manager (auto start)
:param bool show_log_console: do you need show log on console
"""
# Manage log
logging.getLogger('logging')
numeric_level = getattr(logging, logLevel.upper(), None)
if not isinstance(numeric_level, int):
raise ValueError('Invalid log level: %s' % logLevel)
handlers = []
if show_log_console:
handlers.append(logging.StreamHandler())
if fileLog:
handlers.append(logging.FileHandler(fileLog.name))
logging.basicConfig(handlers=handlers, level=numeric_level,
format='%(asctime)s %(levelname)s [pid:%(process)d] [%(funcName)s:%(lineno)d] %(message)s')
if filecfg is None:
logging.error("Missing configuration file")
raise ValueError
manager = Manager(launch_program)
manager.load_config(filecfg)
manager.load_password()
manager.initialize_http()
manager.run()
def main(args=sys.argv[1:]):
""" Main function
:param list args: all arguments ('--help, '--version', ...)
"""
parser = argparse.ArgumentParser(description='Manage khaganat process')
parser.add_argument('--version', action='version', version='%(prog)s ' + __VERSION__)
parser.add_argument('-c', '--conf', type=argparse.FileType('r'),
default='khaganat.cfg', help='configuration file')
parser.add_argument('--show-log-console', action='store_true',
help='show message in console', default=False)
parser.add_argument('--filelog', type=argparse.FileType('wt'),
default=None, help='log file')
parser.add_argument('--log',
default='INFO', help='log level [DEBUG, INFO, WARNING, ERROR')
parser.add_argument('--launch-program', action='store_true',
help='launch program when start manager', default=False)
param = parser.parse_args(args)
root(filecfg=param.conf,
fileLog=param.filelog,
logLevel=param.log,
launch_program=param.launch_program,
show_log_console=param.show_log_console)
logging.debug("End")
if __name__ == '__main__':
main()