def start(self, body):
print body
try:
self.test_id = body['msg']['test_id']
except Exception as ex:
print ex.message
self.test_id = 54321
self.personal_cloud = body['msg']['test']['testClient']
self.stereotype_recipe = body['msg']['test']['testProfile']
try:
self.personal_cloud_ip = body['msg']['{}-ip'.format(self.personal_cloud.lower())]
self.personal_cloud_port = body['msg']['{}-port'.format(self.personal_cloud.lower())]
except KeyError:
pass # public cloud has none this args
# set the capture flags
# run the capture threads
for proc in psutil.process_iter():
if proc.name() == self.proc_name:
proc.kill() # force quit like a boss
self.is_monitor_capturing = True
# start personal cloud client
self.sync_client = Thread(target=self._pc_client)
self.sync_client.start()
while self.is_sync_client_running is False:
print "Launch wait ... {} ".format(self.personal_cloud)
time.sleep(2)
# start capturer loop
self.traffic_monitor = Sniffer(personal_cloud=self.personal_cloud)
self.traffic_monitor.run()
# start emit metric to rabbit
self.monitor = Thread(target=self._test)
self.monitor.start()
return "{} say start".format(self.whoami)
class Capture(object):
def __init__(self, hostname):
print "Constructor: "
self.hostname = hostname
self.sync_folder = None
self.sync_folder_cleanup = None
self.personal_cloud = None
self.personal_cloud_ip = None
self.personal_cloud_port = None
self.test_id = None
if os.name == "nt":
self.platform_is_windows = True
self.rmq_path = '/Users/vagrant/vagrant/rabbitmq'
else:
self.platform_is_windows = False
self.rmq_path = "rabbitmq"
self.rmq_path_url = None
with open(self.rmq_path, 'r') as read_file:
self.rmq_path_url = read_file.read().splitlines()[0]
self.metric_network_counter_prev = None
self.metric_prev = None
self.traffic_monitor = None
self.metric_network_counter_curr = None
self.metric_network_netiface = None
if self.platform_is_windows:
# iface = "\\Device\\NPF_{EDB20D9F-1750-46D6-ADE7-76940B8DF917}"
# iface = "\\Device\\NPF_{EDB20D9F-1750-46D6-ADE7-76940B8DF917}"
iface_candidate = "Local Area Connection" # 10.0.2.15
self.metric_network_counter_curr = psutil.net_io_counters(pernic=True)[iface_candidate]
self.metric_network_counter_prev = self.metric_network_counter_curr
self.metric_network_netiface = iface_candidate
# if iface == pcapy.findalldevs()[0]:
# print "OKEY"
# else:
# iface = pcapy.findalldevs()[0]
# print "WARNING!"
# pass
else:
iface_candidate = ['enp4s0f2', 'eth0']
for iface in iface_candidate:
if iface in psutil.net_io_counters(pernic=True):
self.metric_network_counter_curr = psutil.net_io_counters(pernic=True)[iface]
self.metric_network_counter_prev = self.metric_network_counter_curr
self.metric_network_netiface = iface
break
else:
continue
# if none has been selected then, none network iface metric will be reported
self.rmq_url = urlparse.urlparse(self.rmq_path_url)
self.rmq_connection = None
try:
self.rmq_connection = pika.BlockingConnection(
pika.ConnectionParameters(
host=self.rmq_url.hostname,
heartbeat_interval=0, # heartbeat forever
virtual_host=self.rmq_url.path[1:],
credentials=pika.PlainCredentials(self.rmq_url.username, self.rmq_url.password)
)
)
except Exception as ex:
print ex.message
# exit(0)
# failed to create rabbit connection
self.rmq_channel = self.rmq_connection.channel()
self.rmq_channel.exchange_declare(exchange='metrics', type='fanout')
self.is_monitor_capturing = False # is_monitor_capturing
self.is_sync_client_running = False # is_sync_client_running
self.sync_client = None
self.sync_client_proc = None
self.sync_client_proc_pid = None
self.stereotype_recipe = None
self.monitor = None
self.proc_name = None
self.pc_cmd = None
'''
Retrieve the psutil metrics
'''
def notify_status(self):
# retrieve the current state metrics from the personal client capturer
# current metrics is a local variable
metrics = {'cpu': 0,
'ram': 1,
'net': 2,
'bytes_sent': 1,
'bytes_recv': 1,
'packets_sent': 1,
'packets_recv': 1,
'errin': 0,
'errout': 0,
'dropin': 0,
'dropout': 0,
'disk': 0,
'files': 0,
'time': self.get_curr_milli_time()
}
try:
if self.sync_client_proc is None and self.is_sync_client_running: # the sync client is running
self.sync_client_proc = psutil.Process(self.sync_client_proc_pid)
except Exception as ex:
print ex.message # no sync client running
return False
# assign ram and cpu usage
if self.sync_client_proc is not None:
# we got a process and gota collect metrics
try:
cpu_usage = int(math.ceil(self.sync_client_proc.cpu_percent(0)))
except Exception as ex:
print ex.message
return False
ram_usage = self.sync_client_proc.memory_info().rss
metrics['cpu'] = cpu_usage
metrics['ram'] = ram_usage
# assign the network usage
if self.metric_prev is not None:
last_time = self.metric_prev['metrics']['time']
self.metric_network_counter_curr = psutil.net_io_counters(pernic=True)[self.metric_network_netiface]
curr_time = metrics['time']
elapsed_time = (curr_time - last_time) / 1000 # seconds
if elapsed_time == 0:
return True
for key, value in self.metric_network_counter_curr.__dict__.items():
metrics[key] = (value - getattr(self.metric_network_counter_prev, key)) / elapsed_time # unit is seconds
print " {} > pid[{}], running[{}], proc[{}], cpu[{}], ram[{}]".format(metrics['time'], self.sync_client_proc_pid, self.is_sync_client_running, self.sync_client_proc, metrics['cpu'], metrics['ram'])
self.metric_network_counter_prev = self.metric_network_counter_curr
# assign hard disk usage
if self.platform_is_windows:
drive_usage = self.get_sync_folder_size(start_path=self.sync_folder)
metrics['disk'] = drive_usage
else:
drive_usage_cmd = ['/usr/bin/du', '-ks', '/home/vagrant/{}'.format(self.sync_folder)]
drive_usage_output = subprocess.Popen(drive_usage_cmd, stdout=subprocess.PIPE)
drive_usage = drive_usage_output.stdout.read()
try:
metrics['disk'] = int(drive_usage.split('\t')[0]) # kilo bytes cast string to int
except Exception as ex:
print "invalid literal for... memory unit"
metrics['disk'] = 1
# assign file counter
if self.platform_is_windows:
num_files = self.count_sync_folder_files(start_path=self.sync_folder)
metrics['files'] = num_files
else:
find_cmd = '/usr/bin/find /home/vagrant/{} -type f'.format(self.sync_folder).split()
proc_find = subprocess.Popen(find_cmd, stdout=subprocess.PIPE)
wc_cmd = '/usr/bin/wc -l'.split()
proc_wc = subprocess.Popen(wc_cmd, stdin=proc_find.stdout, stdout=subprocess.PIPE)
num_files = proc_wc.communicate()[0]
try:
metrics['files'] = int(num_files.split('\t')[0])
except Exception as ex:
print ex.message
print "invalid literal for... file counter"
try:
net_stats = self.traffic_monitor.notify_stats()
# py_sniffer not unlocalizable
metrics['data_rate_size_up'] = net_stats['data_rate']['size_up']
metrics['data_rate_size_down'] = net_stats['data_rate']['size_down']
metrics['data_rate_pack_up'] = net_stats['data_rate']['pack_up']
metrics['data_rate_pack_down'] = net_stats['data_rate']['pack_down']
metrics['meta_rate_size_up'] = net_stats['meta_rate']['size_up']
metrics['meta_rate_size_down'] = net_stats['meta_rate']['size_down']
metrics['meta_rate_pack_up'] = net_stats['meta_rate']['pack_up']
metrics['meta_rate_pack_down'] = net_stats['meta_rate']['pack_down']
except Exception as ex:
print ex.message
tags = ''
if tags == '':
tags = {
'profile': self.stereotype_recipe,
'credentials': 'NotUsed',
'client': self.whoami,
'test_id': self.test_id
}
data = {
'metrics': metrics,
'tags': tags
}
self.metric_prev = data # update the last emited metric
msg = json.dumps(data)
# print msg
# this step sends the metric to the manager node
self.rmq_channel.basic_publish(
exchange='metrics',
routing_key=self.hostname,
body=msg)
return True
# asssign data and metadata from pysniffer
# net_stats = self.traffic_monitor.notify_stats()
def _test(self):
self.is_monitor_capturing = True
operations = 0
while self.is_monitor_capturing:
# while the client is running
operations += 1
if self.is_sync_client_running:
self.is_sync_client_running = self.notify_status() # at each emit report if pid still running
time.sleep(1) # get metrics each second
else:
self.sync_client_proc = None
# this forwards the captured metric to the rabbit server
time.sleep(5) # if client is not running wait 5
print "QUIT emit metrics"
def _pc_client(self):
print "start running [{}] {}".format(self.proc_name, self.pc_cmd)
try_start = 10
while self.is_monitor_capturing: # keep resume personal cloud even if the personal cloud stops
time.sleep(2)
while self.is_sync_client_running is False and self.is_monitor_capturing:
try_start -= 1
if try_start == 0:
print "Unable to start {}".format(self.personal_cloud)
break
try:
# pid lookup
is_running = False
client_pid = None
candidate = []
personal_cloud_proc = None
for proc in psutil.process_iter():
if proc.name() == self.proc_name:
candidate.append(proc)
personal_cloud_proc = proc
is_running = True
# google drive instances two process
# pick the one with most ram
if is_running:
for p in candidate:
if personal_cloud_proc.memory_info().rss >= p.memory_info().rss:
pass
else:
personal_cloud_proc = p
client_pid = personal_cloud_proc.pid
self.is_sync_client_running = True
self.sync_client_proc_pid = client_pid
print "SYNC client running with pid[{}]".format(client_pid)
else:
self.sync_proc = subprocess.Popen(self.pc_cmd, shell=True)
time.sleep(5)
except Exception as ex:
print ex.message
print "Couldn't load sync client"
@staticmethod
def count_sync_folder_files(start_path = '.'):
return sum([len(files) for r, d, files in os.walk(start_path)])
# count number of files in a dir
# http://stackoverflow.com/questions/16910330/python-return-files-in-directory-and-subdirectory
@staticmethod
def get_sync_folder_size(start_path = '.'):
total_size = 0
for dirpath, dirnames, filenames in os.walk(start_path):
for f in filenames:
try:
fp = os.path.join(dirpath, f)
total_size += os.path.getsize(fp)
except Exception as ex:
print ex.message
# folder removed during getsize
return total_size
def start(self, body):
print body
try:
self.test_id = body['msg']['test_id']
except Exception as ex:
print ex.message
self.test_id = 54321
self.personal_cloud = body['msg']['test']['testClient']
self.stereotype_recipe = body['msg']['test']['testProfile']
try:
self.personal_cloud_ip = body['msg']['{}-ip'.format(self.personal_cloud.lower())]
self.personal_cloud_port = body['msg']['{}-port'.format(self.personal_cloud.lower())]
except KeyError:
pass # public cloud has none this args
# set the capture flags
# run the capture threads
for proc in psutil.process_iter():
if proc.name() == self.proc_name:
proc.kill() # force quit like a boss
self.is_monitor_capturing = True
# start personal cloud client
self.sync_client = Thread(target=self._pc_client)
self.sync_client.start()
while self.is_sync_client_running is False:
print "Launch wait ... {} ".format(self.personal_cloud)
time.sleep(2)
# start capturer loop
self.traffic_monitor = Sniffer(personal_cloud=self.personal_cloud)
self.traffic_monitor.run()
# start emit metric to rabbit
self.monitor = Thread(target=self._test)
self.monitor.start()
return "{} say start".format(self.whoami)
# self.sync_client = None
# self.monitor = None
def stop(self, body):
print "try stop..."
self.personal_cloud = body['msg']['test']['testClient']
self.remove_inner_path(path=self.sync_folder_cleanup)
# self.sync_client = None
# self.monitor = None
# how to stop the process in windows ... todo lookup by psutil and clean up
self.is_monitor_capturing = False
# self.is_sync_client_running = False
# self.monitor.join()
# self.sync_client.join()
# self.sync_client_proc_pid
# how to stop process
if self.platform_is_windows: # stop in windows
for proc in psutil.process_iter():
if proc.name() == self.proc_name:
proc.kill() # force quit like a boss
else: # stop in linux
pstring = self.proc_name
for line in os.popen("ps ax | grep " + pstring + " | grep -v grep"):
fields = line.split()
proc_pid = fields[0]
os.kill(int(proc_pid), signal.SIGKILL)
self.traffic_monitor.rage_quit()
return "{} say stop".format(self.whoami)
@staticmethod
def remove_inner_path(path):
files = glob.glob(path)
try:
for f in files:
if os.path.isdir(f):
shutil.rmtree(f)
elif os.path.isfile(f):
os.remove(f)
except Exception as ex:
print ex.message
@staticmethod
def get_curr_milli_time():
return int(round(time.time() * 1000))
