def __init__(self, host, port, name):
global pyroLoopCondition
global pyroUri
setLogger("Node-%s" % host, port)
self.node = Node(host, port, "Node" + name)
for workerStr in Conf.getNodeAvailWorkers().split(","):
worker = workerStr.split("|")
self.node.availWorkers[worker[0]] = WorkerProcess(
host, worker[0], worker[1])
for serviceStr in Conf.getNodeAvailServices().split(","):
service = serviceStr.split("|")
self.node.availServices[service[0]] = ServiceProcess(
host, service[0], service[1])
self.node = self.node.calRes()
def runNodeService():
global pyroUri, pyroLoopCondition
d = Pyro4.Daemon(host=host, port=port)
pyroUri = d.register(NodeService(self.node), self.node.name)
d.requestLoop(checkPyroLoopCondition)
spawn(runNodeService)
time.sleep(1)
logger.info("Node:%s started...uri:%s" % (self.node.name, pyroUri))
try:
FactoryPatternExector.createPhysicalNode(self.node.calRes())
self.start()
except KeyboardInterrupt:
pyroLoopCondition = False
logger.warning('stopped by KeyboardInterrupt')
sys.exit(1)
def __init__(self,host, port, name):
global pyroLoopCondition
global pyroUri
setLogger("Node-%s"%host,port)
self.node = Node(host, port, "Node" + name)
for workerStr in Conf.getNodeAvailWorkers().split(",") :
worker = workerStr.split("|")
self.node.availWorkers[worker[0]] = WorkerProcess(host,worker[0],worker[1])
for serviceStr in Conf.getNodeAvailServices().split(",") :
service = serviceStr.split("|")
self.node.availServices[service[0]] = ServiceProcess(host,service[0],service[1])
self.node = self.node.calRes()
def runNodeService():
global pyroUri,pyroLoopCondition
d = Pyro4.Daemon(host=host, port=port)
pyroUri = d.register(NodeService(self.node), self.node.name)
d.requestLoop(checkPyroLoopCondition)
spawn(runNodeService)
time.sleep(1)
logger.info("Node:%s started...uri:%s" % (self.node.name,pyroUri))
try :
FactoryPatternExector.createPhysicalNode(self.node.calRes())
self.start()
except KeyboardInterrupt:
pyroLoopCondition = False
logger.warning('stopped by KeyboardInterrupt')
sys.exit(1)
def start(self):
context = zmq.Context(1)
backend = context.socket(zmq.ROUTER) # ROUTER
backend.bind("tcp://*:%s" %
Conf.getNodePortForService()) # For services
poll_services = zmq.Poller()
poll_services.register(backend, zmq.POLLIN)
heartbeat_at = time.time() + Conf.getExpiration()
while checkPyroLoopCondition():
socks = dict(poll_services.poll((Conf.getExpiration() - 1) * 1000))
# Handle service activity on backend
if socks.get(backend) == zmq.POLLIN:
# Use service address for LRU routing
frames = backend.recv_multipart()
if not frames:
break
addressList = str(frames[0]).split(":")
address = addressList[0]
port = int(addressList[1])
serviceName = addressList[2]
self.node.services.pop(
"%s:%s:%s" % (address, port, serviceName), None)
self.node.services["%s:%s:%s" %
(address, port, serviceName)] = Service(
address, port, serviceName)
ov = FactoryPatternExector.createServiceNode(
address, port, serviceName)
msg = frames[1:]
if len(msg) == 1:
if msg[0] not in (Conf.PPP_READY, Conf.PPP_HEARTBEAT):
logger.error("Invalid message from service: %s" % msg)
if time.time() >= heartbeat_at:
for service in self.node.services:
msg = [service, Conf.PPP_HEARTBEAT]
backend.send_multipart(msg)
heartbeat_at = time.time() + Conf.HEARTBEAT_INTERVAL
expired = []
t = time.time()
for address, service in self.node.services.iteritems():
if t > service.expiry: # Worker expired
expired.append(address)
for address in expired:
logger.info("Service expired: %s" % address)
self.node.services.pop(address, None)
#update node of factory
FactoryPatternExector.updatePhysicalNode(self.node.calRes())
def __init__(self,warehouse,warehouse_result):
self.warehouse = warehouse
self.warehouse_result = warehouse_result
self.kafka = KafkaClient(Conf.getWareHouseAddr())
self.producer = KeyedProducer(self.kafka)
self.consumer = KafkaConsumer(self.warehouse,
bootstrap_servers=[Conf.getWareHouseAddr()],
group_id="cnlab",
auto_commit_enable=True,
auto_commit_interval_ms=30 * 1000,
auto_offset_reset='smallest')
def __init__(self, warehouse, warehouse_result):
self.warehouse = warehouse
self.warehouse_result = warehouse_result
self.kafka = KafkaClient(Conf.getWareHouseAddr())
self.producer = KeyedProducer(self.kafka)
self.consumer = KafkaConsumer(
self.warehouse,
bootstrap_servers=[Conf.getWareHouseAddr()],
group_id="cnlab",
auto_commit_enable=True,
auto_commit_interval_ms=30 * 1000,
auto_offset_reset='smallest')
def initialize(self):
if not self.name:
self.name = "oc" + random_time_str()
self.status = ManagerStatus(self.name)
self.status.mode = self.mode
if self.mode == 'standalone' and not self.options.workertype:
logger.error(
"when --mode is standalone, --workertype must be specified")
sys.exit(2)
if self.mode == 'factory' and not self.options.warehouse:
logger.error(
"when --mode is factory, --warehouse must be specified")
sys.exit(2)
if self.mode == 'local':
self.scheduler = LocalScheduler(self)
self.isLocal = True
elif self.mode == 'process':
self.scheduler = MultiProcessScheduler(self, self.options.parallel)
self.isLocal = False
elif self.mode == 'standalone':
self.scheduler = StandaloneScheduler(self, self.options.workertype)
self.isLocal = False
elif self.mode == 'factory':
self.scheduler = FactoryScheduler(self, Conf.getWareHouseAddr(),
self.options.warehouse)
self.isLocal = False
elif self.mode == 'mesos':
master = Conf.getMesosMaster()
self.scheduler = MesosScheduler(self, master, self.options)
self.isLocal = False
else:
logger.error(
"error mode, --mode should be one of [local, process, standalone, factory, mesos]"
)
sys.exit(1)
if self.options.parallel:
self.defaultParallelism = self.options.parallel
else:
self.defaultParallelism = self.scheduler.defaultParallelism()
self.initialized = True
def start(self):
context = zmq.Context(1)
backend = context.socket(zmq.ROUTER) # ROUTER
backend.bind("tcp://*:%s" % Conf.getNodePortForService()) # For services
poll_services = zmq.Poller()
poll_services.register(backend, zmq.POLLIN)
heartbeat_at = time.time() + Conf.getExpiration()
while checkPyroLoopCondition():
socks = dict(poll_services.poll((Conf.getExpiration()-1) * 1000))
# Handle service activity on backend
if socks.get(backend) == zmq.POLLIN:
# Use service address for LRU routing
frames = backend.recv_multipart()
if not frames:
break
addressList = str(frames[0]).split(":")
address = addressList[0]
port = int(addressList[1])
serviceName = addressList[2]
self.node.services.pop("%s:%s:%s"%(address,port,serviceName),None)
self.node.services["%s:%s:%s"%(address,port,serviceName)] = Service(address,port,serviceName)
ov = FactoryPatternExector.createServiceNode(address,port,serviceName)
msg = frames[1:]
if len(msg) == 1:
if msg[0] not in (Conf.PPP_READY, Conf.PPP_HEARTBEAT):
logger.error("Invalid message from service: %s" % msg)
if time.time() >= heartbeat_at:
for service in self.node.services:
msg = [service, Conf.PPP_HEARTBEAT]
backend.send_multipart(msg)
heartbeat_at = time.time() + Conf.HEARTBEAT_INTERVAL
expired = []
t = time.time()
for address,service in self.node.services.iteritems():
if t > service.expiry: # Worker expired
expired.append(address)
for address in expired:
logger.info("Service expired: %s" % address)
self.node.services.pop(address, None)
#update node of factory
FactoryPatternExector.updatePhysicalNode(self.node.calRes())
def start(self, isMaster, environ={}):
if self.started:
return
logger.debug("start env in %s: %s %s", os.getpid(), isMaster, environ)
self.isMaster = isMaster
if isMaster:
roots = Conf.getRootDir()
if isinstance(roots, str):
roots = roots.split(',')
name = '%s-%s-%d' % (time.strftime("%Y%m%d-%H%M%S"),
socket.gethostname(), os.getpid())
self.workdir = [os.path.join(root, name) for root in roots]
for d in self.workdir:
util.mkdir_p(d)
self.environ['SERVER_URI'] = 'file://' + self.workdir[0]
self.environ['WORKDIR'] = self.workdir
self.environ['COMPRESS'] = util.COMPRESS
else:
self.environ.update(environ)
if self.environ['COMPRESS'] != util.COMPRESS:
raise Exception("no %s available" % self.environ['COMPRESS'])
#self.ctx = zmq.Context()
self.started = True
logger.debug("env started")
def stopAll(self):
filenames = self.serviceScript.split("/")
filename = filenames[-1]
cmd = os.path.join(Conf.getNodeServiceDir(),
"service.sh") + " " + filename + " stopAll"
logger.info(cmd)
return os.system(cmd)
def check_kafka_events():
global loopCondition
from kafka import KafkaConsumer, KafkaClient, SimpleProducer
warehouse_addr = Conf.getWareHouseAddr()
consumer = KafkaConsumer("%sResult"%wk.options.warehouse,
bootstrap_servers=[warehouse_addr],
group_id="cnlab",
auto_commit_enable=True,
auto_commit_interval_ms=30 * 1000,
auto_offset_reset='smallest')
while loopCondition:
for message in consumer.fetch_messages():
print "topic=%s, partition=%s, offset=%s, key=%s " % (message.topic, message.partition,
message.offset, message.key)
task = cPickle.loads(message.value)
if task.state == Task.TASK_FINISHED:
print "taskId:%s,success!!!:%s"%(task.id,task.result)
else:
print "taskId:%s,failed!!!"%task.id
consumer.task_done(message)
last_data_time = time.time()
if not loopCondition:
break
def stop(self,port):
logger.info("stop")
filenames = self.serviceScript.split("/")
filename = filenames[-1]
cmd = os.path.join(Conf.getNodeServiceDir(),"service.sh") + " " + filename + " stop " + str(port)
logger.info(cmd)
return os.system(cmd)
def stop(self, port):
filenames = self.workerScript.split("/")
filename = filenames[-1]
cmd = os.path.join(Conf.getNodeWorkerDir(),
"worker.sh") + " " + filename + " stop " + str(port)
return os.system(cmd)
def __init__(self, host, port, serviceName, servers = None):
self.master = False
self.alwaysTry = Conf.getAlwaysTryLeader()
self.serviceName = serviceName
self.thisServer = "%s:%s" % (host, port)
self.groupServers = servers
self.queue = Queue.Queue()
self.rpl = None
def stop(self, port):
logger.info("stop")
filenames = self.serviceScript.split("/")
filename = filenames[-1]
cmd = os.path.join(
Conf.getNodeServiceDir(),
"service.sh") + " " + filename + " stop " + str(port)
logger.info(cmd)
return os.system(cmd)
def completionEvents(self):
if self.mode != "factory":
while True:
try:
yield self.scheduler.completionEvents.get_nowait()
self.scheduler.completionEvents.task_done()
except Queue.Empty:
if self.status.totalNum == self.status.finished_count + self.status.fail_count:
break
if self.mode == "factory":
raise Exception("please consume results from warehouse [%s,%s]!" %
(Conf.getWareHouseAddr(), self.options.warehouse))
def parse_options():
(options, args) = parser.parse_args()
if not options:
parser.print_help()
sys.exit(2)
if options.mem is None:
options.mem = Conf.MEM_PER_TASK
options.logLevel = (options.quiet and logging.ERROR
or options.verbose and logging.DEBUG or logging.INFO)
setLogger(__name__, options.name, options.logLevel)
if options.config:
if os.path.exists(options.config) and os.path.isfile(options.config):
Conf.setConfigFile(options.config)
else:
logger.error("configuration file is not found. (%s)" %
(options.config, ))
sys.exit(2)
return options
def server_static(filename, mime_type=None):
''''' Serves a file statically '''
if mime_type is None:
mime_type = mimetypes.guess_type(filename)[0]
web.header('Content-Type', bytes('%s' % mime_type))
filename = os.path.join(Conf.getWebStaticFullPath(), filename)
if not os.path.exists(filename):
raise web.NotFound()
stat = os.stat(filename)
web.header('Content-Length', '%s' % stat.st_size)
web.header(
'Last-Modified', '%s' %
web.http.lastmodified(datetime.datetime.fromtimestamp(stat.st_mtime)))
return wsgiref.util.FileWrapper(open(filename, 'rb'), 16384)
def getService(cls, host, port, serviceName):
uri = Conf.getUri(host, port, serviceName)
return Pyro4.Proxy(uri)
def start(self):
cmd = os.path.join(Conf.getNodeWorkerDir(),"worker.sh") + " " + self.workerScript + " start " + self.host
return os.system(cmd)
def getService(cls, host, port, serviceName):
uri = Conf.getUri(host, port, serviceName)
return Pyro4.Proxy(uri)
def getAsynchronousService(cls, host, port, serviceName):
uri = Conf.getUri(host, port, serviceName)
return Pyro4.async(Pyro4.Proxy(uri))
def setConfigFile(filePath):
Conf.setConfigFile(filePath)
for service in self.node.services:
msg = [service, Conf.PPP_HEARTBEAT]
backend.send_multipart(msg)
heartbeat_at = time.time() + Conf.HEARTBEAT_INTERVAL
expired = []
t = time.time()
for address,service in self.node.services.iteritems():
if t > service.expiry: # Worker expired
expired.append(address)
for address in expired:
logger.info("Service expired: %s" % address)
self.node.services.pop(address, None)
#update node of factory
FactoryPatternExector.updatePhysicalNode(self.node.calRes())
#end while true
#end def start()
#end class NodeDademon
if __name__ == "__main__" :
def handler(signm, frame):
global pyroLoopCondition
pyroLoopCondition = False
logger.warning("got signal %d, exit now", signm)
sys.exit(1)
signal.signal(signal.SIGTERM, handler)
signal.signal(signal.SIGABRT, handler)
NodeDademon("localhost",Conf.getNodeDefaultPort(),socket.gethostname())
def start(self):
cmd = os.path.join(
Conf.getNodeServiceDir(),
"service.sh") + " " + self.serviceScript + " start " + self.host
return os.system(cmd)
def startSlaveFactory(cls):
servers = Conf.getFactoryServers()
servs = servers.split(",")
server = servs[1].split(":")
cls.startFactory(server[0], int(server[1]), servs, Conf.getFactoryServiceName())
def start(self):
cmd = os.path.join(
Conf.getNodeWorkerDir(),
"worker.sh") + " " + self.workerScript + " start " + self.host
return os.system(cmd)
import sys
import os
import socket
sys.path.extend(
[os.path.join(os.path.abspath(os.path.dirname(__file__)), '..')])
from opencluster.nodedaemon import NodeDademon
from opencluster.configuration import Conf
if __name__ == "__main__":
if len(sys.argv) != 2:
print "Usage : %s LocalIP" % sys.argv[0]
sys.exit(1)
NodeDademon(sys.argv[1], Conf.getNodeDefaultPort(),
"".join(sys.argv[1].split(".")))
def start_factory_mesos():
global pyroLoopCondition
parser = OptionParser(
usage="Usage: python factorymesos.py [options] <command>")
parser.allow_interspersed_args = False
parser.add_option("-s",
"--master",
type="string",
default="",
help="url of master (mesos://172.31.252.180:5050)")
parser.add_option("-f",
"--factory",
type="string",
default="",
help="host:port of master (172.31.252.180:6666)")
parser.add_option(
"-w",
"--warehouse_addr",
type="string",
default="",
help=
"kafka-172.31.252.182:9092|mysql-172.31.254.25:3306,db,username,password"
)
parser.add_option("-p",
"--task_per_node",
type="int",
default=0,
help="max number of tasks on one node (default: 0)")
parser.add_option("-I",
"--image",
type="string",
help="image name for Docker")
parser.add_option("-V",
"--volumes",
type="string",
help="volumes to mount into Docker")
parser.add_option("-r",
"--retry",
type="int",
default=0,
help="retry times when failed (default: 0)")
parser.add_option(
"-e",
"--config",
type="string",
default="/work/opencluster/config.ini",
help=
"absolute path of configuration file(default:/work/opencluster/config.ini)"
)
parser.add_option("-g",
"--group",
type="string",
default='',
help="which group to run (default: ''")
parser.add_option(
"-q",
"--quiet",
action="store_true",
help="be quiet",
)
parser.add_option(
"-v",
"--verbose",
action="store_true",
help="show more useful log",
)
(options, command) = parser.parse_args()
if not options:
parser.print_help()
sys.exit(2)
if options.config:
Conf.setConfigFile(options.config)
options.master = options.master or Conf.getMesosMaster()
options.warehouse_addr = options.warehouse_addr or Conf.getWareHouseAddr()
servers = options.factory or Conf.getFactoryServers()
servs = servers.split(",")
server = servs[0].split(":")
options.logLevel = (options.quiet and logging.ERROR
or options.verbose and logging.DEBUG or logging.INFO)
setLogger(Conf.getFactoryServiceName(), "MESOS", options.logLevel)
implicitAcknowledgements = 1
if os.getenv("MESOS_EXPLICIT_ACKNOWLEDGEMENTS"):
implicitAcknowledgements = 0
sched = FactoryMesos(options, command, implicitAcknowledgements)
driver = MesosSchedulerDriver(sched, sched.framework, options.master,
implicitAcknowledgements)
driver.start()
logger.debug("Mesos Scheudler driver started")
warehouse_addrs = options.warehouse_addr.split(",")
def fetchTasksFromMySQL():
global pyroLoopCondition
mysqlIpAndPort = warehouse_addrs[0].split(":")
last_data_time = time.time()
while pyroLoopCondition:
db = MySQLdb.connect(host=mysqlIpAndPort[0],
port=int(mysqlIpAndPort[1]),
db=warehouse_addrs[1],
user=warehouse_addrs[2],
passwd=warehouse_addrs[3])
try:
cur = db.cursor()
curUpt = db.cursor()
dataResults = cur.execute(
"select task_id,task_desc,task_start_time,status from t_task where status=0 order by priority asc limit 200"
)
results = cur.fetchmany(dataResults)
for r in results:
sched.append_task(cPickle.loads(r[1]))
curUpt.execute(
"update t_task set task_start_time=now(),status=1 where task_id='"
+ r[0] + "'")
if len(results) > 0:
db.commit()
last_data_time = time.time()
driver.reviveOffers()
if sched.tasks_total_len() > MAX_WAITING_TASK:
time.sleep(2)
if time.time() - last_data_time > MAX_EMPTY_TASK_PERIOD:
time.sleep(10)
if cur:
cur.close()
if curUpt:
curUpt.close()
finally:
db.close()
def fetchTasksFromKafka(priority):
global pyroLoopCondition
consumer = KafkaConsumer('OpenCluster%s' % priority,
bootstrap_servers=[options.warehouse_addr],
group_id="cnlab",
auto_commit_enable=True,
auto_commit_interval_ms=30 * 1000,
auto_offset_reset='smallest')
last_data_time = time.time()
while pyroLoopCondition:
for message in consumer.fetch_messages():
logger.error("%s:%s:%s: key=%s " %
(message.topic, message.partition, message.offset,
message.key))
sched.append_task(cPickle.loads(message.value))
consumer.task_done(message)
last_data_time = time.time()
if sched.tasks_len(priority) > MAX_WAITING_TASK:
time.sleep(2)
if time.time() - last_data_time > MAX_EMPTY_TASK_PERIOD:
time.sleep(10)
if len(warehouse_addrs) > 2:
spawn(fetchTasksFromMySQL)
else:
for i in range(1, sched.priority_size + 1):
spawn(fetchTasksFromKafka, i)
def handler(signm, frame):
logger.warning("got signal %d, exit now", signm)
sched.stop(3)
signal.signal(signal.SIGTERM, handler)
signal.signal(signal.SIGABRT, handler)
try:
while not sched.stopped:
time.sleep(0.5)
sched.check(driver)
now = time.time()
if now > sched.last_offer_time + 60 + random.randint(0, 5):
logger.warning("too long to get offer, reviving...")
sched.last_offer_time = now
driver.reviveOffers()
except KeyboardInterrupt:
logger.warning(
'stopped by KeyboardInterrupt. The Program is exiting gracefully! Please wait...'
)
sched.stop(4)
#terminate pyrothread
pyroLoopCondition = False
time.sleep(5)
driver.stop(False)
sys.exit(sched.status)
def getAsynchronousService(cls, host, port, serviceName):
uri = Conf.getUri(host, port, serviceName)
return Pyro4. async (Pyro4.Proxy(uri))
expired = []
t = time.time()
for address, service in self.node.services.iteritems():
if t > service.expiry: # Worker expired
expired.append(address)
for address in expired:
logger.info("Service expired: %s" % address)
self.node.services.pop(address, None)
#update node of factory
FactoryPatternExector.updatePhysicalNode(self.node.calRes())
#end while true
#end def start()
#end class NodeDademon
if __name__ == "__main__":
def handler(signm, frame):
global pyroLoopCondition
pyroLoopCondition = False
logger.warning("got signal %d, exit now", signm)
sys.exit(1)
signal.signal(signal.SIGTERM, handler)
signal.signal(signal.SIGABRT, handler)
NodeDademon("localhost", Conf.getNodeDefaultPort(), socket.gethostname())
def stopAll(self):
filenames = self.workerScript.split("/")
filename = filenames[-1]
cmd = os.path.join(Conf.getNodeWorkerDir(),"worker.sh") + " " + filename + " stopAll";
return os.system(cmd)
"Node",
"/nodeWorker",
"WorkerOperation",
"/nodeService",
"ServiceOperation",
"/about/(about)",
"About",
"/about/(contact)",
"About",
]
urls.extend(apiUrls)
urls.extend(["*", "WebHandler"])
app = web.application(tuple(urls), globals())
folder_templates_full_path = PWD + Conf.getWebTemplatesPath()
def render(params={}, partial=True):
global_vars = dict({'title': 'OpenCluster'}.items() + params.items())
if not partial:
return web.template.render(folder_templates_full_path,
globals=global_vars)
else:
return web.template.render(folder_templates_full_path,
base='layout',
globals=global_vars)
def titled_render(subtitle=''):
subtitle = subtitle + ' - ' if subtitle else ''
def start(self):
cmd = os.path.join(Conf.getNodeServiceDir(),"service.sh") + " " + self.serviceScript + " start " + self.host
return os.system(cmd)
def getDefaultFactory(cls):
servers = Conf.getFactoryServers()
servs = servers.split(",")
server = servs[0].split(":")
return cls.getFactory(server[0], int(server[1]), servs, Conf.getFactoryServiceName())
def stopAll(self):
filenames = self.serviceScript.split("/")
filename = filenames[-1]
cmd = os.path.join(Conf.getNodeServiceDir(),"service.sh") + " " + filename + " stopAll";
logger.info(cmd)
return os.system(cmd)
import sys
import os
import logging
sys.path.extend(
[os.path.join(os.path.abspath(os.path.dirname(__file__)), '..')])
from opencluster.ui.main import WebServer
from opencluster.configuration import Conf, setLogger
logger = logging.getLogger(__name__)
if __name__ == "__main__":
setLogger("OCWeb", "")
thisServer = WebServer(Conf.getWebServers())
thisServer.start()
import sys
import os
import socket
sys.path.extend([os.path.join(os.path.abspath(os.path.dirname(__file__)),'..')])
from opencluster.nodedaemon import NodeDademon
from opencluster.configuration import Conf
if __name__ == "__main__" :
if len(sys.argv) != 2 :
print "Usage : %s LocalIP" % sys.argv[0]
sys.exit(1)
NodeDademon(sys.argv[1],Conf.getNodeDefaultPort(),"".join(sys.argv[1].split(".")))
import sys
import os
import logging
sys.path.extend([os.path.join(os.path.abspath(os.path.dirname(__file__)),'..')])
from opencluster.ui.main import WebServer
from opencluster.configuration import Conf,setLogger
logger = logging.getLogger(__name__)
if __name__ == "__main__" :
setLogger("OCWeb","")
thisServer = WebServer(Conf.getWebServers())
thisServer.start()