class JmxStat(object):
"""Plugin object will be created only once and collects JMX statistics info every interval."""
def __init__(self):
"""Initializes interval and previous dictionary variable."""
self.interval = DEFAULT_INTERVAL
self.process = 'kafka.Kafka'
self.listenerip = 'localhost'
self.prev_topic_data = {}
self.prev_data = {}
self.port = None
self.documentsTypes = []
self.jclient = JolokiaClient(
os.path.basename(__file__)[:-3], self.process)
def config(self, cfg):
"""Initializes variables from conf files."""
for children in cfg.children:
if children.key == INTERVAL:
self.interval = children.values[0]
if children.key == PORT:
self.port = children.values[0]
if children.key == DOCUMENTSTYPES:
self.documentsTypes = children.values[0]
self.listenerip = self.add_kafka_listenerip(self.port)
@staticmethod
def add_kafka_listenerip(port):
"""
Return listener IP of kafka broker
"""
list_addr = []
for if_name, if_info in psutil.net_if_addrs().items():
for family in if_info:
if family.family == socket.AF_INET:
list_addr.append(family.address)
# Get the first matched listener IP
for addr in list_addr:
try:
ip = '%s:%s' % (addr, port)
consumer = kafka.KafkaConsumer(bootstrap_servers=ip)
collectd.info("found ip %s" % addr)
return addr
except Exception:
pass
return ''
def get_jmx_parameters(self, jolokiaclient, doc, dict_jmx):
"""Fetch stats based on doc_type"""
if doc == "kafkaStats":
self.add_kafka_parameters(jolokiaclient, dict_jmx)
elif doc == "topicStats":
self.add_topic_parameters(jolokiaclient, dict_jmx, "topic")
elif doc == "partitionStats":
self.add_topic_parameters(jolokiaclient, dict_jmx, "partition")
elif doc == "consumerStats":
self.add_consumer_parameters(dict_jmx)
def add_default_rate_value(self, dict_jmx, doctype):
"""Add default value to rate key based on type"""
if doctype == "kafka":
keylist = ["messagesIn", "bytesIn", "bytesOut", "isrExpands", "isrShrinks", "leaderElection", \
"uncleanLeaderElections", "producerRequests", "fetchConsumerRequests", "fetchFollowerRequests"]
else:
keylist = ["messagesInRate", "bytesOutRate", "bytesInRate", "totalFetchRequestsRate", "totalProduceRequestsRate", \
"produceMessageConversionsRate", "failedProduceRequestsRate", "fetchMessageConversionsRate", "failedFetchRequestsRate",\
"bytesRejectedRate"]
for key in keylist:
dict_jmx[key] = 0
def get_rate(self, key, curr_data, prev_data):
"""Calculate and returns rate. Rate=(current_value-prev_value)/time."""
#TODO The code is similar to the one in utils.py.
rate = NAN
if not prev_data:
return rate
if key not in prev_data:
collectd.error("%s key not in previous data. Shouldn't happen." %
key)
return rate
if TIMESTAMP not in curr_data or TIMESTAMP not in prev_data:
collectd.error("%s key not in previous data. Shouldn't happen." %
key)
return rate
curr_time = curr_data[TIMESTAMP]
prev_time = prev_data[TIMESTAMP]
if curr_time <= prev_time:
collectd.error(
"Current data time: %s is less than previous data time: %s. "
"Shouldn't happen." % (curr_time, prev_time))
return rate
rate = (curr_data[key] - prev_data[key]) / float(self.interval)
# rate can get negative if the topic(s) are deleted and created again with the same name
# intializing rate to 0 if rates are negative value.
if rate < 0:
rate = 0.0
return rate
def add_rate(self, pid, dict_jmx):
"""Rate only for kafka jmx metrics"""
rate = self.get_rate("messagesInPerSec", dict_jmx, self.prev_data[pid])
if rate != NAN:
dict_jmx["messagesIn"] = round(rate, FLOATING_FACTOR)
rate = self.get_rate("bytesInPerSec", dict_jmx, self.prev_data[pid])
if rate != NAN:
dict_jmx["bytesIn"] = round(rate, FLOATING_FACTOR)
rate = self.get_rate("bytesOutPerSec", dict_jmx, self.prev_data[pid])
if rate != NAN:
dict_jmx["bytesOut"] = round(rate, FLOATING_FACTOR)
rate = self.get_rate("isrExpandsPerSec", dict_jmx, self.prev_data[pid])
if rate != NAN:
dict_jmx["isrExpands"] = round(rate, FLOATING_FACTOR)
rate = self.get_rate("isrShrinksPerSec", dict_jmx, self.prev_data[pid])
if rate != NAN:
dict_jmx["isrShrinks"] = round(rate, FLOATING_FACTOR)
rate = self.get_rate("leaderElectionPerSec", dict_jmx,
self.prev_data[pid])
if rate != NAN:
dict_jmx["leaderElection"] = round(rate, FLOATING_FACTOR)
rate = self.get_rate("uncleanLeaderElectionPerSec", dict_jmx,
self.prev_data[pid])
if rate != NAN:
dict_jmx["uncleanLeaderElections"] = round(rate, FLOATING_FACTOR)
rate = self.get_rate("producerRequestsPerSec", dict_jmx,
self.prev_data[pid])
if rate != NAN:
dict_jmx["producerRequests"] = round(rate, FLOATING_FACTOR)
rate = self.get_rate("fetchConsumerRequestsPerSec", dict_jmx,
self.prev_data[pid])
if rate != NAN:
dict_jmx["fetchConsumerRequests"] = round(rate, FLOATING_FACTOR)
rate = self.get_rate("fetchFollowerRequestsPerSec", dict_jmx,
self.prev_data[pid])
if rate != NAN:
dict_jmx["fetchFollowerRequests"] = round(rate, FLOATING_FACTOR)
def add_topic_rate(self, pid, topic_name, topic_info):
"""Rate only for kafka topic metrics"""
rate = self.get_rate('messagesIn', topic_info,
self.prev_topic_data[pid][topic_name])
if rate != NAN:
topic_info['messagesInRate'] = round(rate, FLOATING_FACTOR)
rate = self.get_rate('bytesOut', topic_info,
self.prev_topic_data[pid][topic_name])
if rate != NAN:
topic_info['bytesOutRate'] = round(rate, FLOATING_FACTOR)
rate = self.get_rate('bytesIn', topic_info,
self.prev_topic_data[pid][topic_name])
if rate != NAN:
topic_info['bytesInRate'] = round(rate, FLOATING_FACTOR)
rate = self.get_rate('totalFetchRequests', topic_info,
self.prev_topic_data[pid][topic_name])
if rate != NAN:
topic_info['totalFetchRequestsRate'] = round(rate, FLOATING_FACTOR)
rate = self.get_rate('totalProduceRequests', topic_info,
self.prev_topic_data[pid][topic_name])
if rate != NAN:
topic_info['totalProduceRequestsRate'] = round(
rate, FLOATING_FACTOR)
rate = self.get_rate('produceMessageConversions', topic_info,
self.prev_topic_data[pid][topic_name])
if rate != NAN:
topic_info['produceMessageConversionsRate'] = round(
rate, FLOATING_FACTOR)
rate = self.get_rate('failedProduceRequests', topic_info,
self.prev_topic_data[pid][topic_name])
if rate != NAN:
topic_info['failedProduceRequestsRate'] = round(
rate, FLOATING_FACTOR)
rate = self.get_rate('fetchMessageConversions', topic_info,
self.prev_topic_data[pid][topic_name])
if rate != NAN:
topic_info['fetchMessageConversionsRate'] = round(
rate, FLOATING_FACTOR)
rate = self.get_rate('failedFetchRequests', topic_info,
self.prev_topic_data[pid][topic_name])
if rate != NAN:
topic_info['failedFetchRequestsRate'] = round(
rate, FLOATING_FACTOR)
rate = self.get_rate('bytesRejected', topic_info,
self.prev_topic_data[pid][topic_name])
if rate != NAN:
topic_info['bytesRejectedRate'] = round(rate, FLOATING_FACTOR)
def add_kafka_parameters(self, jolokiaclient, dict_jmx):
"""Add jmx stats specific to kafka metrics"""
jolokiaclient.add_request(
type='read',
mbean=
'kafka.server:name=UnderReplicatedPartitions,type=ReplicaManager',
attribute='Value')
jolokiaclient.add_request(
type='read',
mbean='kafka.server:name=MessagesInPerSec,type=BrokerTopicMetrics',
attribute='Count')
jolokiaclient.add_request(
type='read',
mbean='kafka.server:name=BytesInPerSec,type=BrokerTopicMetrics',
attribute='Count')
jolokiaclient.add_request(
type='read',
mbean='kafka.server:name=BytesOutPerSec,type=BrokerTopicMetrics',
attribute='Count')
jolokiaclient.add_request(
type='read',
mbean='kafka.server:name=PartitionCount,type=ReplicaManager',
attribute='Value')
jolokiaclient.add_request(
type='read',
mbean='kafka.server:name=IsrExpandsPerSec,type=ReplicaManager',
attribute='Count')
jolokiaclient.add_request(
type='read',
mbean='kafka.server:name=IsrShrinksPerSec,type=ReplicaManager',
attribute='Count')
jolokiaclient.add_request(
type='read',
mbean=
'kafka.server:name=RequestHandlerAvgIdlePercent,type=KafkaRequestHandlerPool',
attribute='MeanRate')
jolokiaclient.add_request(
type='read',
mbean=
'kafka.controller:name=OfflinePartitionsCount,type=KafkaController',
attribute='Value')
jolokiaclient.add_request(
type='read',
mbean=
'kafka.controller:name=ActiveControllerCount,type=KafkaController',
attribute='Value')
jolokiaclient.add_request(
type='read',
mbean=
'kafka.controller:name=LeaderElectionRateAndTimeMs,type=ControllerStats',
attribute='Count')
jolokiaclient.add_request(
type='read',
mbean=
'kafka.controller:name=UncleanLeaderElectionsPerSec,type=ControllerStats',
attribute='Count')
jolokiaclient.add_request(
type='read',
mbean=
'kafka.network:name=RequestsPerSec,request=Produce,type=RequestMetrics',
attribute='Count')
jolokiaclient.add_request(
type='read',
mbean=
'kafka.network:name=RequestsPerSec,request=FetchConsumer,type=RequestMetrics',
attribute='Count')
jolokiaclient.add_request(
type='read',
mbean=
'kafka.network:name=RequestsPerSec,request=FetchFollower,type=RequestMetrics',
attribute='Count')
jolokiaclient.add_request(
type='read',
mbean=
'kafka.network:name=NetworkProcessorAvgIdlePercent,type=SocketServer',
attribute='Value')
jolokiaclient.add_request(
type='read',
mbean=
'kafka.network:type=RequestMetrics,name=TotalTimeMs,request=FetchFollower',
attribute='Mean')
jolokiaclient.add_request(
type='read',
mbean=
'kafka.network:type=RequestMetrics,name=TotalTimeMs,request=FetchConsumer',
attribute='Mean')
jolokiaclient.add_request(
type='read',
mbean=
'kafka.network:type=RequestMetrics,name=TotalTimeMs,request=Produce',
attribute='Mean')
jolokiaclient.add_request(
type='read',
mbean=
'kafka.network:name=ResponseSendTimeMs,request=FetchFollower,type=RequestMetrics',
attribute='Mean')
jolokiaclient.add_request(
type='read',
mbean=
'kafka.network:name=ResponseSendTimeMs,request=FetchConsumer,type=RequestMetrics',
attribute='Mean')
jolokiaclient.add_request(
type='read',
mbean=
'kafka.network:name=ResponseSendTimeMs,request=Produce,type=RequestMetrics',
attribute='Mean')
jolokiaclient.add_request(
type='read',
mbean='kafka.server:name=BrokerState,type=KafkaServer',
attribute='Value')
bulkdata = jolokiaclient.getRequests()
dict_jmx['underReplicatedPartitions'] = bulkdata[0].get('value', 0)
dict_jmx['messagesInPerSec'] = bulkdata[1].get('value', 0)
dict_jmx['bytesInPerSec'] = bulkdata[2].get('value', 0)
dict_jmx['bytesOutPerSec'] = bulkdata[3].get('value', 0)
dict_jmx['partitionCount'] = bulkdata[4].get('value', 0)
dict_jmx['isrExpandsPerSec'] = bulkdata[5].get('value', 0)
dict_jmx['isrShrinksPerSec'] = bulkdata[6].get('value', 0)
dict_jmx['requestHandlerAvgIdle'] = float(
str(bulkdata[7].get('value', 0))[:4])
dict_jmx['offlinePartitions'] = bulkdata[8].get('value', 0)
dict_jmx['activeController'] = bulkdata[9].get('value', 0)
dict_jmx['leaderElectionPerSec'] = bulkdata[10].get('value', 0)
dict_jmx['uncleanLeaderElectionPerSec'] = bulkdata[11].get('value', 0)
dict_jmx['producerRequestsPerSec'] = bulkdata[12].get('value', 0)
dict_jmx['fetchConsumerRequestsPerSec'] = bulkdata[13].get('value', 0)
dict_jmx['fetchFollowerRequestsPerSec'] = bulkdata[14].get('value', 0)
dict_jmx['networkProcessorAvgIdlePercent'] = float(
str(bulkdata[15].get('value', 0))[:4])
dict_jmx['followerRequestTime'] = round(bulkdata[16].get('value', 0),
2)
dict_jmx['consumerRequestTime'] = round(bulkdata[17].get('value', 0),
2)
dict_jmx['producerRequestTime'] = round(bulkdata[18].get('value', 0),
2)
dict_jmx['followerResponseTime'] = round(bulkdata[19].get('value', 0),
2)
dict_jmx['consumerResponseTime'] = round(bulkdata[20].get('value', 0),
2)
dict_jmx['producerResponseTime'] = round(bulkdata[21].get('value', 0),
2)
if bulkdata[22]['status'] == 200:
dict_jmx['brokerState'] = BROKER_STATES[bulkdata[22]['value']]
else:
dict_jmx['brokerState'] = "NotAvailable"
def add_topic_parameters(self, jolokiaclient, dict_jmx, flag="topic"):
"""JMX stats specific to topic and partition"""
def get_partitions(topic):
client = kafka.KafkaClient(self.listenerip + ':' + self.port)
topic_partition_ids = client.get_partition_ids_for_topic(topic)
return len(topic_partition_ids)
def get_topics():
consumer = kafka.KafkaConsumer(bootstrap_servers=self.listenerip +
':' + self.port)
return consumer.topics()
parti_list = []
topics = get_topics()
for topic in topics:
partitions = get_partitions(topic)
if flag == "topic":
dict_topic = {}
msgIn = jolokiaclient.request(
type='read',
mbean=
'kafka.server:name=MessagesInPerSec,topic=%s,type=BrokerTopicMetrics'
% topic,
attribute='Count')
bytesOut = jolokiaclient.request(
type='read',
mbean=
'kafka.server:name=BytesOutPerSec,topic=%s,type=BrokerTopicMetrics'
% topic,
attribute='Count')
bytesIn = jolokiaclient.request(
type='read',
mbean=
'kafka.server:name=BytesInPerSec,topic=%s,type=BrokerTopicMetrics'
% topic,
attribute='Count')
totalFetch = jolokiaclient.request(
type='read',
mbean=
'kafka.server:name=TotalFetchRequestsPerSec,topic=%s,type=BrokerTopicMetrics'
% topic,
attribute='Count')
totalProduce = jolokiaclient.request(
type='read',
mbean=
'kafka.server:name=TotalProduceRequestsPerSec,topic=%s,type=BrokerTopicMetrics'
% topic,
attribute='Count')
produceMsg = jolokiaclient.request(
type='read',
mbean=
'kafka.server:name=ProduceMessageConversionsPerSec,topic=%s,type=BrokerTopicMetrics'
% topic,
attribute='Count')
failedProduce = jolokiaclient.request(
type='read',
mbean=
'kafka.server:name=FailedProduceRequestsPerSec,topic=%s,type=BrokerTopicMetrics'
% topic,
attribute='Count')
fetchMsg = jolokiaclient.request(
type='read',
mbean=
'kafka.server:name=FetchMessageConversionsPerSec,topic=%s,type=BrokerTopicMetrics'
% topic,
attribute='Count')
failedFetch = jolokiaclient.request(
type='read',
mbean=
'kafka.server:name=FailedFetchRequestsPerSec,topic=%s,type=BrokerTopicMetrics'
% topic,
attribute='Count')
bytesReject = jolokiaclient.request(
type='read',
mbean=
'kafka.server:name=BytesRejectedPerSec,topic=%s,type=BrokerTopicMetrics'
% topic,
attribute='Count')
if msgIn['status'] == 200:
dict_topic['messagesIn'] = msgIn['value']
if bytesOut['status'] == 200:
dict_topic['bytesOut'] = bytesOut['value']
if bytesIn['status'] == 200:
dict_topic['bytesIn'] = bytesIn['value']
if totalFetch['status'] == 200:
dict_topic['totalFetchRequests'] = totalFetch['value']
if totalProduce['status'] == 200:
dict_topic['totalProduceRequests'] = totalProduce['value']
if produceMsg['status'] == 200:
dict_topic['produceMessageConversions'] = produceMsg[
'value']
if failedProduce['status'] == 200:
dict_topic['failedProduceRequests'] = failedProduce[
'value']
if fetchMsg['status'] == 200:
dict_topic['fetchMessageConversions'] = fetchMsg['value']
if failedFetch['status'] == 200:
dict_topic['failedFetchRequests'] = failedFetch['value']
if bytesReject['status'] == 200:
dict_topic['bytesRejected'] = bytesReject['value']
if dict_topic:
dict_topic['_topicName'] = topic
dict_topic['partitionCount'] = partitions
dict_jmx[topic] = {}
dict_jmx[topic].update(dict_topic)
else:
for partition in range(0, partitions):
dict_parti = {}
numLogSegments = jolokiaclient.request(
type='read',
mbean=
'kafka.log:name=NumLogSegments,partition=%s,topic=%s,type=Log'
% (partition, topic),
attribute='Value')
logSize = jolokiaclient.request(
type='read',
mbean=
'kafka.log:name=Size,partition=%s,topic=%s,type=Log' %
(partition, topic),
attribute='Value')
if numLogSegments['status'] == 200:
dict_parti['_topicName'] = topic
dict_parti['_partitionNum'] = partition
dict_parti['partitionLogSegments'] = numLogSegments[
'value']
try:
dict_parti['partitionLogSize'] = round(
logSize['value'] / 1024.0 / 1024.0, 2)
except:
dict_parti['partitionLogSize'] = 0
if dict_parti:
parti_list.append(dict_parti)
if flag == "partition":
dict_jmx["partitionStats"] = parti_list
def add_consumer_parameters(self, dict_jmx):
"""
Collect console consumer group stats
:param jolokiaclient:
:param dict_jmx:
:return:
"""
grp_list = []
with open(os.devnull, 'w') as devnull:
p1 = subprocess.Popen([
"sudo",
"/opt/kafka/kafka_2.12-1.0.0/bin/kafka-consumer-groups.sh",
"--list", "--bootstrap-server",
self.listenerip + ':' + self.port
],
stdout=subprocess.PIPE,
stderr=devnull)
p1.wait()
consumerGrp = p1.communicate()[0]
if consumerGrp:
consumerGrp_list = consumerGrp.splitlines()
for consGrp in consumerGrp_list:
with open(os.devnull, 'w') as devnull:
p2 = subprocess.Popen([
"sudo",
"/opt/kafka/kafka_2.12-1.0.0/bin/kafka-consumer-groups.sh",
"--describe", "--group", consGrp, "--bootstrap-server",
self.listenerip + ':' + self.port
],
stdout=subprocess.PIPE,
stderr=devnull)
p2.wait()
dict_grp = {}
grp_detail = p2.communicate()[0]
if grp_detail:
grp_detail_list = grp_detail.splitlines()
for group in grp_detail_list[2:]:
cons_details = group.split()
if cons_details[6] == '-':
#consumer without client id is considered as inactive consumer
continue
dict_grp["_groupName"] = consGrp
dict_grp["_topicName"] = cons_details[0]
dict_grp["partition"] = int(cons_details[1])
dict_grp["currentOffset"] = long(cons_details[2])
dict_grp["logEndOffset"] = long(cons_details[3])
dict_grp["lag"] = long(cons_details[4])
dict_grp["custId"] = cons_details[5]
dict_grp["clientId"] = cons_details[6]
grp_list.append(dict_grp.copy())
dict_jmx["consumerStats"] = grp_list
def add_common_params(self, doc, dict_jmx):
"""Adds TIMESTAMP, PLUGIN, PLUGITYPE to dictionary."""
timestamp = int(round(time.time()))
dict_jmx[TIMESTAMP] = timestamp
dict_jmx[PLUGIN] = KAFKA_TOPIC
dict_jmx[PLUGINTYPE] = doc
dict_jmx[ACTUALPLUGINTYPE] = KAFKA_TOPIC
#dict_jmx[PLUGIN_INS] = doc
collectd.info(
"Plugin kafkatopic: Added common parameters successfully for %s doctype"
% doc)
def add_rate_dispatch_topic(self, pid, doc, dict_jmx):
"""Rate calculation for topic metrics"""
for topic, topic_info in dict_jmx.items():
self.add_common_params(doc, topic_info)
if pid in self.prev_topic_data:
if topic in self.prev_topic_data[pid]:
self.add_topic_rate(pid, topic, topic_info)
else:
self.add_default_rate_value(topic_info, "topic")
else:
self.prev_topic_data[pid] = {}
self.add_default_rate_value(topic_info, "topic")
self.prev_topic_data[pid][topic] = topic_info
self.dispatch_data(doc, deepcopy(topic_info))
def add_rate_dispatch_kafka(self, pid, doc, dict_jmx):
if pid in self.prev_data:
self.add_rate(pid, dict_jmx)
else:
self.add_default_rate_value(dict_jmx, "kafka")
self.prev_data[pid] = dict_jmx
self.dispatch_data(doc, deepcopy(dict_jmx))
def dispatch_stats(self, doc, dict_jmx):
if doc == "partitionStats":
stats_list = dict_jmx["partitionStats"]
else:
stats_list = dict_jmx["consumerStats"]
for stats in stats_list:
self.add_common_params(doc, stats)
self.dispatch_data(doc, stats)
def get_pid_jmx_stats(self, pid, port, output):
"""Call get_jmx_parameters function for each doc_type and add dict to queue"""
jolokiaclient = JolokiaClient.get_jolokia_inst(port)
for doc in KAFKA_DOCS:
try:
dict_jmx = {}
self.get_jmx_parameters(jolokiaclient, doc, dict_jmx)
if not dict_jmx:
raise ValueError("No data found")
collectd.info(
"Plugin kafkatopic: Added %s doctype information successfully for pid %s"
% (doc, pid))
if doc in ["topicStats", "partitionStats", "consumerStats"]:
output.append((pid, doc, dict_jmx))
continue
self.add_common_params(doc, dict_jmx)
output.append((pid, doc, dict_jmx))
except Exception as err:
collectd.error(
"Plugin kafkatopic: Error in collecting stats of %s doctype: %s"
% (doc, str(err)))
def run_pid_process(self, list_pid):
"""Spawn process for each pid"""
#procs = []
#output = multiprocessing.Queue()
output = []
for pid in list_pid:
port = self.jclient.get_jolokia_port(pid)
if port and self.jclient.connection_available(port):
self.get_pid_jmx_stats(pid, port, output)
#proc = multiprocessing.Process(target=self.get_pid_jmx_stats, args=(pid, port, output))
#procs.append(proc)
#proc.start()
#for proc in procs:
#proc.join()
# for p in procs:
# collectd.debug("%s, %s" % (p, p.is_alive()))
return output
def collect_jmx_data(self):
"""Collects stats and spawns process for each pids."""
list_pid = self.jclient.get_pid()
if not list_pid:
collectd.error("Plugin kafkatopic: No %s processes are running" %
self.process)
return
output = self.run_pid_process(list_pid)
for doc in output:
pid, doc_name, doc_result = doc
if doc_name in self.documentsTypes:
if doc_name == "topicStats":
self.add_rate_dispatch_topic(pid, doc_name, doc_result)
elif doc_name == "kafkaStats":
self.add_rate_dispatch_kafka(pid, doc_name, doc_result)
else:
self.dispatch_stats(doc_name, doc_result)
'''
procs, output = self.run_pid_process(list_pid)
for _ in procs:
for _ in KAFKA_DOCS:
try:
pid, doc_name, doc_result = output.get_nowait()
except Queue.Empty:
collectd.error("Failed to send one or more doctype document to collectd")
continue
# Dispatching documentsTypes which are requetsed alone
if doc_name in self.documentsTypes:
if doc_name == "topicStats":
self.add_rate_dispatch_topic(pid, doc_name, doc_result)
elif doc_name == "kafkaStats":
self.add_rate_dispatch_kafka(pid, doc_name, doc_result)
else:
self.dispatch_stats(doc_name, doc_result)
output.close()
'''
def dispatch_data(self, doc_name, result):
"""Dispatch data to collectd."""
if doc_name == "topicStats":
for item in ['messagesIn', 'bytesOut', 'bytesIn', 'totalFetchRequests', 'totalProduceRequests', 'produceMessageConversions',\
'failedProduceRequests', 'fetchMessageConversions', 'failedFetchRequests', 'bytesRejected']:
try:
del result[item]
except KeyError:
pass
#collectd.error("Key %s deletion error in topicStats doctype for topic %s: %s" % (item, result['_topicName'], str(err)))
collectd.info(
"Plugin kafkatopic: Succesfully sent topicStats: %s" %
result['_topicName'])
elif doc_name == "kafkaStats":
for item in ["messagesInPerSec", "bytesInPerSec", "bytesOutPerSec", "isrExpandsPerSec", "isrShrinksPerSec", "leaderElectionPerSec",\
"uncleanLeaderElectionPerSec", "producerRequestsPerSec", "fetchConsumerRequestsPerSec", "fetchFollowerRequestsPerSec"]:
try:
del result[item]
except KeyError:
pass
#collectd.error("Key %s deletion error in kafkaStats doctype: %s" % (item, str(err)))
collectd.info(
"Plugin kafkatopic: Succesfully sent %s doctype to collectd." %
doc_name)
collectd.debug("Plugin kafkatopic: Values dispatched =%s" %
json.dumps(result))
elif doc_name == "consumerStats":
collectd.info(
"Plugin kafkatopic: Succesfully sent consumerStats of consumer group %s of topic %s"
% (result['_groupName'], result['_topicName']))
else:
collectd.info(
"Plugin kafkatopic: Succesfully sent topic %s of partitionStats: %s."
% (result['_topicName'], result['_partitionNum']))
utils.dispatch(result)
def read_temp(self):
"""Collectd first calls register_read. At that time default interval is taken,
hence temporary function is made to call, the read callback is unregistered
and read() is called again with interval obtained from conf by register_config callback."""
collectd.unregister_read(self.read_temp)
collectd.register_read(self.collect_jmx_data,
interval=int(self.interval))
class JmxStat(object):
"""Plugin object will be created only once and collects JMX statistics info every interval."""
def __init__(self):
"""Initializes interval and previous dictionary variable."""
self.jclient = None
self.process = None
self.interval = DEFAULT_INTERVAL
def config(self, cfg):
"""Initializes variables from conf files."""
for children in cfg.children:
if children.key == INTERVAL:
self.interval = children.values[0]
if children.key == PROCESS:
self.process = children.values[0]
#get jolokia instance
self.jclient = JolokiaClient(
os.path.basename(__file__)[:-3], self.process)
def get_jmx_parameters(self, jolokiaclient, doc, dict_jmx):
"""Fetch stats based on doc_type"""
if doc == "memoryPoolStats":
self.add_memory_pool_parameters(jolokiaclient, dict_jmx)
elif doc == "memoryStats":
self.add_memory_parameters(jolokiaclient, dict_jmx)
elif doc == "threadStats":
self.add_threading_parameters(jolokiaclient, dict_jmx)
elif doc == "gcStats":
self.add_gc_parameters(jolokiaclient, dict_jmx)
elif doc == "classLoadingStats":
self.add_classloading_parameters(jolokiaclient, dict_jmx)
elif doc == "compilationStats":
self.add_compilation_parameters(jolokiaclient, dict_jmx)
elif doc == "nioStats":
self.add_nio_parameters(jolokiaclient, dict_jmx)
elif doc == "operatingSysStats":
self.add_operating_system_parameters(jolokiaclient, dict_jmx)
elif doc == "jmxStats":
self.add_jmxstat_parameters(jolokiaclient, dict_jmx)
def add_jmxstat_parameters(self, jolokiaclient, dict_jmx):
"""Add specific jmxstats parameter"""
#classloading Stats
classloading = jolokiaclient.request(
type='read', mbean='java.lang:type=ClassLoading')
if classloading['status'] == 200:
dict_jmx['unloadedClass'] = classloading['value'][
'UnloadedClassCount']
dict_jmx['loadedClass'] = classloading['value']['LoadedClassCount']
#threading Stats
thread_json = jolokiaclient.request(type='read',
mbean='java.lang:type=Threading')
if thread_json['status'] == 200:
dict_jmx['threads'] = thread_json['value']['ThreadCount']
#memory Stats
memory_json = jolokiaclient.request(type='read',
mbean='java.lang:type=Memory')
if memory_json['status'] == 200:
heap = memory_json['value']['HeapMemoryUsage']
self.handle_neg_bytes(heap['init'], 'heapMemoryUsageInit',
dict_jmx)
dict_jmx['heapMemoryUsageUsed'] = round(
heap['used'] / 1024.0 / 1024.0, 2)
dict_jmx['heapMemoryUsageCommitted'] = round(
heap['committed'] / 1024.0 / 1024.0, 2)
non_heap = memory_json['value']['NonHeapMemoryUsage']
self.handle_neg_bytes(non_heap['init'], 'nonHeapMemoryUsageInit',
dict_jmx)
dict_jmx['nonHeapMemoryUsageUsed'] = round(
non_heap['used'] / 1024.0 / 1024.0, 2)
dict_jmx['nonHeapMemoryUsageCommitted'] = round(
non_heap['committed'] / 1024.0 / 1024.0, 2)
#initailize default values
param_list = ['G1OldGenerationCollectionTime', 'G1OldGenerationCollectionCount', 'G1YoungGenerationCollectionTime',\
'G1YoungGenerationCollectionCount', 'G1OldGenUsageUsed', 'G1SurvivorSpaceUsageUsed', 'MetaspaceUsageUsed',\
'CodeCacheUsageUsed', 'CompressedClassSpaceUsageUsed', 'G1EdenSpaceUsageUsed']
for param in param_list:
dict_jmx[param] = 0
#gc Stats
gc_names = self.get_gc_names(jolokiaclient)
for gc_name in gc_names:
str_mbean = 'java.lang:type=GarbageCollector,name=' + gc_name
valid = jolokiaclient.request(type='read',
mbean=str_mbean,
attribute='Valid')
if valid['status'] == 200 and valid['value'] == True:
str_attribute = 'CollectionTime,CollectionCount'
gc_values = jolokiaclient.request(type='read',
mbean=str_mbean,
attribute=str_attribute)
gc_name_no_spaces = ''.join(gc_name.split())
if gc_values['status'] == 200:
dict_jmx[gc_name_no_spaces + 'CollectionTime'] = round(
gc_values['value']['CollectionTime'] * 0.001, 2)
dict_jmx[gc_name_no_spaces +
'CollectionCount'] = gc_values['value'][
'CollectionCount']
#memoryPool Stats
mp_names = self.get_memory_pool_names(jolokiaclient)
for pool_name in mp_names:
str_mbean = 'java.lang:type=MemoryPool,name=' + pool_name
valid = jolokiaclient.request(type='read',
mbean=str_mbean,
attribute='Valid')
if valid['status'] == 200 and valid['value'] == True:
mp_values = jolokiaclient.request(type='read',
mbean=str_mbean,
attribute='Usage')
pool_name_no_spaces = ''.join(pool_name.split())
if mp_values['status'] == 200:
dict_jmx[pool_name_no_spaces + 'UsageUsed'] = round(
mp_values['value']['used'] / 1024.0 / 1024.0, 2)
def add_operating_system_parameters(self, jolokiaclient, dict_jmx):
"""Add operating system related jmx stats"""
ops = jolokiaclient.request(type='read',
mbean='java.lang:type=OperatingSystem')
if ops['status'] == 200:
dict_jmx['osArchitecture'] = ops['value']['Arch']
dict_jmx['availableProcessors'] = ops['value'][
'AvailableProcessors']
self.handle_neg_bytes(ops['value']['CommittedVirtualMemorySize'],
'committedVirtualMemorySize', dict_jmx)
dict_jmx['freePhysicalMemorySize'] = round(
ops['value']['FreePhysicalMemorySize'] / 1024.0 / 1024.0, 2)
dict_jmx['freeSwapSpaceSize'] = round(
ops['value']['FreeSwapSpaceSize'] / 1024.0 / 1024.0, 2)
dict_jmx['maxFileDescriptors'] = ops['value'][
'MaxFileDescriptorCount']
dict_jmx['osName'] = ops['value']['Name']
dict_jmx['openFileDescriptors'] = ops['value'][
'OpenFileDescriptorCount']
dict_jmx['processCpuLoad'] = ops['value']['ProcessCpuLoad']
pcputime = ops['value']['ProcessCpuTime']
if pcputime >= 0:
pcputime = round(pcputime / 1000000000.0, 2)
dict_jmx['processCpuTime'] = pcputime
dict_jmx['totalPhysicalMemorySize'] = round(
ops['value']['TotalPhysicalMemorySize'] / 1024.0 / 1024.0, 2)
dict_jmx['totalSwapSpaceSize'] = round(
ops['value']['TotalSwapSpaceSize'] / 1024.0 / 1024.0, 2)
dict_jmx['osVersion'] = ops['value']['Version']
dict_jmx['systemCpuLoad'] = ops['value']['SystemCpuLoad']
dict_jmx['systemLoadAverage'] = ops['value']['SystemLoadAverage']
def add_nio_parameters(self, jolokiaclient, dict_jmx):
"""Add network related jmx stats"""
nio = jolokiaclient.request(type='read',
mbean='java.nio:type=BufferPool,*',
attribute='Name')
bufferpool_names = []
if nio['status'] == 200:
for _, value in nio['value'].items():
bufferpool_names.append(value['Name'])
for poolname in bufferpool_names:
str_mbean = 'java.nio:type=BufferPool,name=' + poolname
poolinfo = jolokiaclient.request(type='read', mbean=str_mbean)
if poolinfo['status'] == 200:
dict_jmx[poolname +
'BufferPoolCount'] = poolinfo['value']['Count']
self.handle_neg_bytes(poolinfo['value']['MemoryUsed'],
poolname + 'BufferPoolMemoryUsed',
dict_jmx)
self.handle_neg_bytes(poolinfo['value']['TotalCapacity'],
poolname + 'BufferPoolTotalCapacity',
dict_jmx)
def add_compilation_parameters(self, jolokiaclient, dict_jmx):
"""Add compilation related jmx stats"""
compilation = jolokiaclient.request(type='read',
mbean='java.lang:type=Compilation')
if compilation['status'] == 200:
dict_jmx['compilerName'] = compilation['value']['Name']
dict_jmx['totalCompilationTime'] = round(
compilation['value']['TotalCompilationTime'] * 0.001, 2)
def add_classloading_parameters(self, jolokiaclient, dict_jmx):
"""Add classloading related jmx stats"""
classloading = jolokiaclient.request(
type='read', mbean='java.lang:type=ClassLoading')
if classloading['status'] == 200:
dict_jmx['unloadedClass'] = classloading['value'][
'UnloadedClassCount']
dict_jmx['loadedClass'] = classloading['value']['LoadedClassCount']
dict_jmx['totalLoadedClass'] = classloading['value'][
'TotalLoadedClassCount']
def add_gc_parameters(self, jolokiaclient, dict_jmx):
"""Add garbage collector related jmx stats"""
def memory_gc_usage(self, mempool_gc, key, gc_name, dict_jmx):
for name, values in mempool_gc.items():
if name in ['G1 Eden Space', 'G1 Old Gen']:
mp_name = ''.join(name.split())
self.handle_neg_bytes(values['init'],
gc_name + key + mp_name + 'Init',
dict_jmx)
self.handle_neg_bytes(values['max'],
gc_name + key + mp_name + 'Max',
dict_jmx)
dict_jmx[gc_name + key + mp_name + 'Used'] = round(
values['used'] / 1024.0 / 1024.0, 2)
dict_jmx[gc_name + key + mp_name + 'Committed'] = round(
values['committed'] / 1024.0 / 1024.0, 2)
gc_names = self.get_gc_names(jolokiaclient)
for gc_name in gc_names:
str_mbean = 'java.lang:type=GarbageCollector,name=' + gc_name
if_valid = jolokiaclient.request(type='read',
mbean=str_mbean,
attribute='Valid')
if if_valid['status'] == 200 and if_valid['value'] == True:
str_attribute = 'CollectionTime,CollectionCount,LastGcInfo'
gc_values = jolokiaclient.request(type='read',
mbean=str_mbean,
attribute=str_attribute)
gc_name_no_spaces = ''.join(gc_name.split())
if gc_values['status'] == 200:
dict_jmx[gc_name_no_spaces + 'CollectionTime'] = round(
gc_values['value']['CollectionTime'] * 0.001, 2)
dict_jmx[gc_name_no_spaces +
'CollectionCount'] = gc_values['value'][
'CollectionCount']
if gc_values['value']['LastGcInfo']:
dict_jmx[gc_name_no_spaces +
'GcThreadCount'] = gc_values['value'][
'LastGcInfo']['GcThreadCount']
dict_jmx[gc_name_no_spaces + 'StartTime'] = round(
gc_values['value']['LastGcInfo']['startTime'] *
0.001, 2)
dict_jmx[gc_name_no_spaces + 'EndTime'] = round(
gc_values['value']['LastGcInfo']['endTime'] *
0.001, 2)
dict_jmx[gc_name_no_spaces + 'Duration'] = round(
gc_values['value']['LastGcInfo']['duration'] *
0.001, 2)
mem_aftergc = gc_values['value']['LastGcInfo'][
'memoryUsageAfterGc']
memory_gc_usage(self, mem_aftergc, 'MemUsageAfGc',
gc_name_no_spaces, dict_jmx)
mem_beforegc = gc_values['value']['LastGcInfo'][
'memoryUsageBeforeGc']
memory_gc_usage(self, mem_beforegc, 'MemUsageBfGc',
gc_name_no_spaces, dict_jmx)
def add_threading_parameters(self, jolokiaclient, dict_jmx):
"""Add thread related jmx stats"""
mbean_threading = 'java.lang:type=Threading'
thread_json = jolokiaclient.request(type='read', mbean=mbean_threading)
if thread_json['status'] == 200:
dict_jmx['threads'] = thread_json['value']['ThreadCount']
dict_jmx['peakThreads'] = thread_json['value']['PeakThreadCount']
dict_jmx['daemonThreads'] = thread_json['value'][
'DaemonThreadCount']
dict_jmx['totalStartedThreads'] = thread_json['value'][
'TotalStartedThreadCount']
if thread_json['value']['CurrentThreadCpuTimeSupported']:
dict_jmx['currentThreadCpuTime'] = round(
thread_json['value']['CurrentThreadCpuTime'] /
1000000000.0, 2)
dict_jmx['currentThreadUserTime'] = round(
thread_json['value']['CurrentThreadUserTime'] /
1000000000.0, 2)
def add_memory_parameters(self, jolokiaclient, dict_jmx):
"""Add memory related jmx stats"""
memory_json = jolokiaclient.request(type='read',
mbean='java.lang:type=Memory')
if memory_json['status'] == 200:
heap = memory_json['value']['HeapMemoryUsage']
self.handle_neg_bytes(heap['init'], 'heapMemoryUsageInit',
dict_jmx)
self.handle_neg_bytes(heap['max'], 'heapMemoryUsageMax', dict_jmx)
dict_jmx['heapMemoryUsageUsed'] = round(
heap['used'] / 1024.0 / 1024.0, 2)
dict_jmx['heapMemoryUsageCommitted'] = round(
heap['committed'] / 1024.0 / 1024.0, 2)
non_heap = memory_json['value']['NonHeapMemoryUsage']
self.handle_neg_bytes(non_heap['init'], 'nonHeapMemoryUsageInit',
dict_jmx)
self.handle_neg_bytes(non_heap['max'], 'nonHeapMemoryUsageMax',
dict_jmx)
dict_jmx['nonHeapMemoryUsageUsed'] = round(
non_heap['used'] / 1024.0 / 1024.0, 2)
dict_jmx['nonHeapMemoryUsageCommitted'] = round(
non_heap['committed'] / 1024.0 / 1024.0, 2)
dict_jmx['objectPendingFinalization'] = memory_json['value'][
'ObjectPendingFinalizationCount']
def add_memory_pool_parameters(self, jolokiaclient, dict_jmx):
"""Add memory pool related jmx stats"""
mp_names = self.get_memory_pool_names(jolokiaclient)
for poll_name in mp_names:
str_mbean = 'java.lang:type=MemoryPool,name=' + poll_name
if_valid = jolokiaclient.request(type='read',
mbean=str_mbean,
attribute='Valid')
if if_valid['status'] == 200 and if_valid['value'] == True:
str_attribute = 'CollectionUsage,PeakUsage,Type,Usage,CollectionUsageThresholdSupported,UsageThresholdSupported'
mp_values = jolokiaclient.request(type='read',
mbean=str_mbean,
attribute=str_attribute)
poll_name_no_spaces = ''.join(poll_name.split())
if mp_values['status'] == 200:
coll_usage = mp_values['value']['CollectionUsage']
if coll_usage:
self.handle_neg_bytes(
coll_usage['max'],
poll_name_no_spaces + 'CollectionUsageMax',
dict_jmx)
self.handle_neg_bytes(
coll_usage['init'],
poll_name_no_spaces + 'CollectionUsageInit',
dict_jmx)
dict_jmx[poll_name_no_spaces +
'CollectionUsageUsed'] = round(
coll_usage['used'] / 1024.0 / 1024.0, 2)
dict_jmx[poll_name_no_spaces +
'CollectionUsageCommitted'] = round(
coll_usage['committed'] / 1024.0 / 1024.0,
2)
usage = mp_values['value']['Usage']
self.handle_neg_bytes(usage['max'],
poll_name_no_spaces + 'UsageMax',
dict_jmx)
self.handle_neg_bytes(usage['init'],
poll_name_no_spaces + 'UsageInit',
dict_jmx)
dict_jmx[poll_name_no_spaces + 'UsageUsed'] = round(
usage['used'] / 1024.0 / 1024.0, 2)
dict_jmx[poll_name_no_spaces + 'UsageCommitted'] = round(
usage['committed'] / 1024.0 / 1024.0, 2)
peak_usage = mp_values['value']['PeakUsage']
self.handle_neg_bytes(peak_usage['max'],
poll_name_no_spaces + 'PeakUsageMax',
dict_jmx)
self.handle_neg_bytes(
peak_usage['init'],
poll_name_no_spaces + 'PeakUsageInit', dict_jmx)
dict_jmx[poll_name_no_spaces + 'PeakUsageUsed'] = round(
peak_usage['used'] / 1024.0 / 1024.0, 2)
dict_jmx[poll_name_no_spaces +
'PeakUsageCommitted'] = round(
peak_usage['committed'] / 1024.0 / 1024.0, 2)
if mp_values['value']['CollectionUsageThresholdSupported']:
coll_attr = 'CollectionUsageThreshold,CollectionUsageThresholdCount,CollectionUsageThresholdExceeded'
coll_threshold = jolokiaclient.request(
type='read', mbean=str_mbean, attribute=coll_attr)
if coll_threshold['status'] == 200:
dict_jmx[poll_name_no_spaces +
'CollectionUsageThreshold'] = round(
coll_threshold['value']
['CollectionUsageThreshold'] /
1024.0 / 1024.0, 2)
dict_jmx[
poll_name_no_spaces +
'CollectionUsageThresholdCount'] = coll_threshold[
'value']['CollectionUsageThreshold']
dict_jmx[
poll_name_no_spaces +
'CollectionUsageThresholdExceeded'] = coll_threshold[
'value'][
'CollectionUsageThresholdExceeded']
if mp_values['value']['UsageThresholdSupported']:
usage_attr = 'UsageThreshold,UsageThresholdCount,UsageThresholdExceeded'
usage_threshold = jolokiaclient.request(
type='read', mbean=str_mbean, attribute=usage_attr)
if usage_threshold['status'] == 200:
dict_jmx[poll_name_no_spaces +
'UsageThreshold'] = round(
usage_threshold['value']
['UsageThreshold'] / 1024.0 / 1024.0,
2)
dict_jmx[poll_name_no_spaces +
'UsageThresholdCount'] = usage_threshold[
'value']['UsageThreshold']
dict_jmx[
poll_name_no_spaces +
'UsageThresholdExceeded'] = usage_threshold[
'value']['UsageThresholdExceeded']
def get_gc_names(self, jolokiaclient):
gc_json = jolokiaclient.request(
type='read',
mbean='java.lang:type=GarbageCollector,*',
attribute='Name')
gc_names = []
if gc_json['status'] == 200:
for _, value in gc_json['value'].items():
if value['Name'] in DEFAULT_GC:
gc_names.append(value['Name'])
else:
collectd.error("Plugin kafkajmx: not supported for GC %s" %
value['Name'])
return gc_names
def get_memory_pool_names(self, jolokiaclient):
"""Get memory pool names of jvm process"""
mempool_json = jolokiaclient.request(
type='read', mbean='java.lang:type=MemoryPool,*', attribute='Name')
mempool_names = []
if mempool_json['status'] == 200:
for _, value in mempool_json['value'].items():
if value['Name'] in DEFAULT_MP:
mempool_names.append(value['Name'])
else:
collectd.error(
"Plugin kafkajmx: not supported for memory pool %s" %
value['Name'])
return mempool_names
def handle_neg_bytes(self, value, resultkey, dict_jmx):
"""Condition for byte keys whose return value may be -1 if not supported."""
if value == -1:
dict_jmx[resultkey] = value
else:
dict_jmx[resultkey] = round(value / 1024.0 / 1024.0, 2)
def add_common_params(self, doc, dict_jmx):
"""Adds TIMESTAMP, PLUGIN, PLUGITYPE to dictionary."""
timestamp = int(round(time.time()))
dict_jmx[TIMESTAMP] = timestamp
dict_jmx[PLUGIN] = KAFKA_JMX
dict_jmx[PLUGINTYPE] = doc
dict_jmx[ACTUALPLUGINTYPE] = KAFKA_JMX
dict_jmx[PROCESSNAME] = self.process
#dict_jmx[PLUGIN_INS] = doc
collectd.info(
"Plugin kafkajmx: Added common parameters successfully for %s doctype"
% doc)
def get_pid_jmx_stats(self, pid, port, output):
"""Call get_jmx_parameters function for each doc_type and add dict to queue"""
jolokiaclient = JolokiaClient.get_jolokia_inst(port)
for doc in GENERIC_DOCS:
try:
dict_jmx = {}
self.get_jmx_parameters(jolokiaclient, doc, dict_jmx)
if not dict_jmx:
raise ValueError("No data found")
collectd.info(
"Plugin kafkajmx: Added %s doctype information successfully for pid %s"
% (doc, pid))
self.add_common_params(doc, dict_jmx)
output.put((doc, dict_jmx))
except Exception as err:
collectd.error(
"Plugin kafkajmx: Error in collecting stats of %s doctype: %s"
% (doc, str(err)))
def run_pid_process(self, list_pid):
"""Spawn process for each pid"""
procs = []
output = multiprocessing.Queue()
for pid in list_pid:
port = self.jclient.get_jolokia_port(pid)
if port and self.jclient.connection_available(port):
proc = multiprocessing.Process(target=self.get_pid_jmx_stats,
args=(pid, port, output))
procs.append(proc)
proc.start()
for proc in procs:
proc.join()
# for p in procs:
# collectd.debug("%s, %s" % (p, p.is_alive()))
return procs, output
def collect_jmx_data(self):
"""Collects stats and spawns process for each pids."""
list_pid = self.jclient.get_pid()
if not list_pid:
collectd.error("Plugin kafkajmx: No %s processes are running" %
self.process)
return
procs, output = self.run_pid_process(list_pid)
for _ in procs:
for _ in GENERIC_DOCS:
try:
doc_name, doc_result = output.get_nowait()
except Queue.Empty:
collectd.error(
"Failed to send one or more doctype document to collectd"
)
continue
self.dispatch_data(doc_name, doc_result)
output.close()
def dispatch_data(self, doc_name, result):
"""Dispatch data to collectd."""
collectd.info(
"Plugin kafkajmx: Succesfully sent %s doctype to collectd." %
doc_name)
collectd.debug("Plugin kafkajmx: Values dispatched =%s" %
json.dumps(result))
utils.dispatch(result)
def read_temp(self):
"""Collectd first calls register_read. At that time default interval is taken,
hence temporary function is made to call, the read callback is unregistered
and read() is called again with interval obtained from conf by register_config callback."""
collectd.unregister_read(self.read_temp)
collectd.register_read(self.collect_jmx_data,
interval=int(self.interval))
class JmxStat(object):
"""Plugin object will be created only once and collects JMX statistics info every interval."""
def __init__(self):
"""Initializes interval and previous dictionary variable."""
self.process = 'zookeeper'
self.interval = DEFAULT_INTERVAL
self.listenerip = 'localhost'
self.port = None
self.prev_data = {}
self.documentsTypes = []
self.jclient = JolokiaClient(
os.path.basename(__file__)[:-3], self.process)
def config(self, cfg):
"""Initializes variables from conf files."""
for children in cfg.children:
if children.key == INTERVAL:
self.interval = children.values[0]
if children.key == LISTENERIP:
self.listenerip = children.values[0]
if children.key == PORT:
self.port = children.values[0]
if children.key == DOCUMENTSTYPES:
self.documentsTypes = children.values[0]
def get_jmx_parameters(self, jolokiaclient, doc, dict_jmx):
"""Fetch stats based on doc_type"""
if doc == "memoryPoolStats":
self.add_memory_pool_parameters(jolokiaclient, dict_jmx)
elif doc == "memoryStats":
self.add_memory_parameters(jolokiaclient, dict_jmx)
elif doc == "threadStats":
self.add_threading_parameters(jolokiaclient, dict_jmx)
elif doc == "gcStats":
self.add_gc_parameters(jolokiaclient, dict_jmx)
elif doc == "classLoadingStats":
self.add_classloading_parameters(jolokiaclient, dict_jmx)
elif doc == "compilationStats":
self.add_compilation_parameters(jolokiaclient, dict_jmx)
elif doc == "nioStats":
self.add_nio_parameters(jolokiaclient, dict_jmx)
elif doc == "operatingSysStats":
self.add_operating_system_parameters(jolokiaclient, dict_jmx)
elif doc == "zookeeperStats":
self.add_zookeeper_parameters(jolokiaclient, dict_jmx)
elif doc == "jmxStats":
self.add_jmxstats_parameters(jolokiaclient, dict_jmx)
def add_default_rate_value(self, dict_jmx):
"""Add default value to rate key based on type"""
keylist = ["packetsReceivedRate", "packetsSentRate"]
for key in keylist:
dict_jmx[key] = 0
def get_rate(self, key, curr_data, prev_data):
"""Calculate and returns rate. Rate=(current_value-prev_value)/time."""
#TODO The code is similar to the one in utils.py.
rate = NAN
if not prev_data:
return rate
if key not in prev_data:
collectd.error("%s key not in previous data. Shouldn't happen." %
key)
return rate
if TIMESTAMP not in curr_data or TIMESTAMP not in prev_data:
collectd.error("%s key not in previous data. Shouldn't happen." %
key)
return rate
curr_time = curr_data[TIMESTAMP]
prev_time = prev_data[TIMESTAMP]
if curr_time <= prev_time:
collectd.error(
"Current data time: %s is less than previous data time: %s. "
"Shouldn't happen." % (curr_time, prev_time))
return rate
rate = (curr_data[key] - prev_data[key]) / float(self.interval)
if rate < 0:
rate = 0
return rate
def add_rate(self, pid, dict_jmx):
"""Rate only for zookeeper jmx metrics"""
rate = self.get_rate("packetsReceived", dict_jmx, self.prev_data[pid])
if rate != NAN:
dict_jmx["packetsReceivedRate"] = round(rate, FLOATING_FACTOR)
rate = self.get_rate("packetsSent", dict_jmx, self.prev_data[pid])
if rate != NAN:
dict_jmx["packetsSentRate"] = round(rate, FLOATING_FACTOR)
def add_rate_dispatch(self, pid, doc, dict_jmx):
"""Add default for rate keys in first poll."""
if pid in self.prev_data:
self.add_rate(pid, dict_jmx)
else:
self.add_default_rate_value(dict_jmx)
self.prev_data[pid] = dict_jmx
self.dispatch_data(doc, deepcopy(dict_jmx))
def get_memory_pool_names(self, jolokiaclient):
"""Get memory pool names of jvm process"""
mempool_json = jolokiaclient.request(
type='read', mbean='java.lang:type=MemoryPool,*', attribute='Name')
mempool_names = []
if mempool_json['status'] == 200:
for _, value in mempool_json['value'].items():
if value['Name'] in DEFAULT_MP:
mempool_names.append(value['Name'])
else:
collectd.error(
"Plugin zookeeperjmx: not supported for memory pool %s"
% value['Name'])
return mempool_names
def get_gc_names(self, jolokiaclient):
gc_json = jolokiaclient.request(
type='read',
mbean='java.lang:type=GarbageCollector,*',
attribute='Name')
gc_names = []
if gc_json['status'] == 200:
for _, value in gc_json['value'].items():
if value['Name'] in DEFAULT_GC:
gc_names.append(value['Name'])
else:
collectd.error(
"Plugin zookeeperjmx: not supported for GC %s" %
value['Name'])
return gc_names
def add_jmxstats_parameters(self, jolokiaclient, dict_jmx):
"""Add specific jmxstats parameter"""
#classloading Stats
classloading = jolokiaclient.request(
type='read', mbean='java.lang:type=ClassLoading')
if classloading['status'] == 200:
dict_jmx['unloadedClass'] = classloading['value'][
'UnloadedClassCount']
dict_jmx['loadedClass'] = classloading['value']['LoadedClassCount']
#threading Stats
thread_json = jolokiaclient.request(type='read',
mbean='java.lang:type=Threading')
if thread_json['status'] == 200:
dict_jmx['threads'] = thread_json['value']['ThreadCount']
#memory Stats
memory_json = jolokiaclient.request(type='read',
mbean='java.lang:type=Memory')
if memory_json['status'] == 200:
heap = memory_json['value']['HeapMemoryUsage']
self.handle_neg_bytes(heap['init'], 'heapMemoryUsageInit',
dict_jmx)
dict_jmx['heapMemoryUsageUsed'] = round(
heap['used'] / 1024.0 / 1024.0, 2)
dict_jmx['heapMemoryUsageCommitted'] = round(
heap['committed'] / 1024.0 / 1024.0, 2)
non_heap = memory_json['value']['NonHeapMemoryUsage']
self.handle_neg_bytes(non_heap['init'], 'nonHeapMemoryUsageInit',
dict_jmx)
dict_jmx['nonHeapMemoryUsageUsed'] = round(
non_heap['used'] / 1024.0 / 1024.0, 2)
dict_jmx['nonHeapMemoryUsageCommitted'] = round(
non_heap['committed'] / 1024.0 / 1024.0, 2)
#initailize default values
param_list = ['G1OldGenerationCollectionTime', 'G1OldGenerationCollectionCount', 'G1YoungGenerationCollectionTime',\
'G1YoungGenerationCollectionCount', 'G1OldGenUsageUsed', 'G1SurvivorSpaceUsageUsed', 'MetaspaceUsageUsed',\
'CodeCacheUsageUsed', 'CompressedClassSpaceUsageUsed', 'G1EdenSpaceUsageUsed']
for param in param_list:
dict_jmx[param] = 0
#gc Stats
gc_names = self.get_gc_names(jolokiaclient)
for gc_name in gc_names:
str_mbean = 'java.lang:type=GarbageCollector,name=' + gc_name
valid = jolokiaclient.request(type='read',
mbean=str_mbean,
attribute='Valid')
if valid['status'] == 200 and valid['value'] == True:
str_attribute = 'CollectionTime,CollectionCount'
gc_values = jolokiaclient.request(type='read',
mbean=str_mbean,
attribute=str_attribute)
gc_name_no_spaces = ''.join(gc_name.split())
if gc_values['status'] == 200:
dict_jmx[gc_name_no_spaces + 'CollectionTime'] = round(
gc_values['value']['CollectionTime'] * 0.001, 2)
dict_jmx[gc_name_no_spaces +
'CollectionCount'] = gc_values['value'][
'CollectionCount']
#memoryPool Stats
mp_names = self.get_memory_pool_names(jolokiaclient)
for pool_name in mp_names:
str_mbean = 'java.lang:type=MemoryPool,name=' + pool_name
valid = jolokiaclient.request(type='read',
mbean=str_mbean,
attribute='Valid')
if valid['status'] == 200 and valid['value'] == True:
mp_values = jolokiaclient.request(type='read',
mbean=str_mbean,
attribute='Usage')
pool_name_no_spaces = ''.join(pool_name.split())
if mp_values['status'] == 200:
dict_jmx[pool_name_no_spaces + 'UsageUsed'] = round(
mp_values['value']['used'] / 1024.0 / 1024.0, 2)
def get_zookeeper_info(self):
"Getting info about zookeeper type whether it is a standalone or cluster"
try:
p1 = subprocess.Popen("echo srvr | nc localhost 2181",
shell=True,
stdout=subprocess.PIPE)
output = p1.communicate()[0]
if output:
output_list = output.splitlines()
for line in output_list:
if "Mode" in line:
zootype_list = line.split(":")
zootype = zootype_list[1].strip()
return zootype
except Exception as e:
collectd.error("Error in getting zookeeper info due to %s" %
str(e))
return None
def get_zookeeper_id(self):
"If zookeeper type is a cluster, get its own id and set its appropriate"
try:
p2 = subprocess.Popen("cat /opt/kafka/data/zookeeper/myid",
shell=True,
stdout=subprocess.PIPE)
output = p2.communicate()[0]
if output:
return output
except Exception as e:
collectd.error("Error in getting zookeeper info due to %s" %
str(e))
return None
def add_zookeeper_parameters(self, jolokiaClient, dict_jmx):
"Getting info about zookeeper type whether it is a standalone or cluster"
zookpertype = self.get_zookeeper_info()
if zookpertype == "standalone":
zookper = jolokiaClient.request(
type='read',
mbean='org.apache.ZooKeeperService:name0=StandaloneServer_port'
+ self.port)
mbean_memory = 'org.apache.ZooKeeperService:name0=StandaloneServer_port%s,name1=InMemoryDataTree' % self.port
else:
zookpertype = zookpertype[0].upper() + zookpertype[1:]
# If zookeeper type is a cluster, get its own id and set its appropriate
zookperId = self.get_zookeeper_id()
bean = 'org.apache.ZooKeeperService:name0=ReplicatedServer_id' + zookperId + ',name1=replica.' + zookperId + ',name2=' + zookpertype
zookper = jolokiaClient.request(type='read', mbean=bean)
mbean_memory = 'org.apache.ZooKeeperService:name0=ReplicatedServer_id' + zookperId + ',name1=replica.' + zookperId + \
',name2=' + zookpertype + ',name3=InMemoryDataTree'
if zookper['status'] == 200:
dict_jmx['avgRequestLatency'] = round(
zookper['value']['AvgRequestLatency'] * 0.001, 2)
dict_jmx['maxSessionTimeout'] = round(
zookper['value']['MaxSessionTimeout'] * 0.001, 2)
dict_jmx['minSessionTimeout'] = round(
zookper['value']['MinSessionTimeout'] * 0.001, 2)
dict_jmx['maxClientCnxnsPerHost'] = zookper['value'][
'MaxClientCnxnsPerHost']
dict_jmx['numAliveConnections'] = zookper['value'][
'NumAliveConnections']
dict_jmx['outstandingRequests'] = zookper['value'][
'OutstandingRequests']
dict_jmx['packetsReceived'] = zookper['value']['PacketsReceived']
dict_jmx['packetsSent'] = zookper['value']['PacketsSent']
dict_jmx['zookeeperVersion'] = ((
zookper['value']['Version']).split(","))[0]
zookper_count = jolokiaClient.request(type='read', mbean=mbean_memory)
if zookper_count['status'] == 200:
dict_jmx['nodeCount'] = zookper_count['value']['NodeCount']
dict_jmx['watchCount'] = zookper_count['value']['WatchCount']
zookper_ephemerals = jolokiaClient.request(type='exec',
mbean=mbean_memory,
operation='countEphemerals')
if zookper_ephemerals['status'] == 200:
dict_jmx['countEphemerals'] = zookper_ephemerals['value']
zookper_datasize = jolokiaClient.request(type='exec',
mbean=mbean_memory,
operation='countEphemerals')
if zookper_datasize['status'] == 200:
dict_jmx['approximateDataSize'] = round(
zookper_datasize['value'] / 1024.0 / 1024.0, 2)
def add_operating_system_parameters(self, jolokiaclient, dict_jmx):
"""Add operating system related jmx stats"""
ops = jolokiaclient.request(type='read',
mbean='java.lang:type=OperatingSystem')
if ops['status'] == 200:
dict_jmx['osArchitecture'] = ops['value']['Arch']
dict_jmx['availableProcessors'] = ops['value'][
'AvailableProcessors']
self.handle_neg_bytes(ops['value']['CommittedVirtualMemorySize'],
'committedVirtualMemorySize', dict_jmx)
dict_jmx['freePhysicalMemorySize'] = round(
ops['value']['FreePhysicalMemorySize'] / 1024.0 / 1024.0, 2)
dict_jmx['freeSwapSpaceSize'] = round(
ops['value']['FreeSwapSpaceSize'] / 1024.0 / 1024.0, 2)
dict_jmx['maxFileDescriptors'] = ops['value'][
'MaxFileDescriptorCount']
dict_jmx['osName'] = ops['value']['Name']
dict_jmx['openFileDescriptors'] = ops['value'][
'OpenFileDescriptorCount']
dict_jmx['processCpuLoad'] = ops['value']['ProcessCpuLoad']
pcputime = ops['value']['ProcessCpuTime']
if pcputime >= 0:
pcputime = round(pcputime / 1000000000.0, 2)
dict_jmx['processCpuTime'] = pcputime
dict_jmx['totalPhysicalMemorySize'] = round(
ops['value']['TotalPhysicalMemorySize'] / 1024.0 / 1024.0, 2)
dict_jmx['totalSwapSpaceSize'] = round(
ops['value']['TotalSwapSpaceSize'] / 1024.0 / 1024.0, 2)
dict_jmx['osVersion'] = ops['value']['Version']
dict_jmx['systemCpuLoad'] = ops['value']['SystemCpuLoad']
dict_jmx['systemLoadAverage'] = ops['value']['SystemLoadAverage']
def add_nio_parameters(self, jolokiaclient, dict_jmx):
"""Add network related jmx stats"""
nio = jolokiaclient.request(type='read',
mbean='java.nio:type=BufferPool,*',
attribute='Name')
bufferpool_names = []
if nio['status'] == 200:
for _, value in nio['value'].items():
bufferpool_names.append(value['Name'])
for poolname in bufferpool_names:
str_mbean = 'java.nio:type=BufferPool,name=' + poolname
poolinfo = jolokiaclient.request(type='read', mbean=str_mbean)
if poolinfo['status'] == 200:
dict_jmx[poolname +
'BufferPoolCount'] = poolinfo['value']['Count']
self.handle_neg_bytes(poolinfo['value']['MemoryUsed'],
poolname + 'BufferPoolMemoryUsed',
dict_jmx)
self.handle_neg_bytes(poolinfo['value']['TotalCapacity'],
poolname + 'BufferPoolTotalCapacity',
dict_jmx)
def add_compilation_parameters(self, jolokiaclient, dict_jmx):
"""Add compilation related jmx stats"""
compilation = jolokiaclient.request(type='read',
mbean='java.lang:type=Compilation')
if compilation['status'] == 200:
dict_jmx['compilerName'] = compilation['value']['Name']
dict_jmx['totalCompilationTime'] = round(
compilation['value']['TotalCompilationTime'] * 0.001, 2)
def add_classloading_parameters(self, jolokiaclient, dict_jmx):
"""Add classloading related jmx stats"""
classloading = jolokiaclient.request(
type='read', mbean='java.lang:type=ClassLoading')
if classloading['status'] == 200:
dict_jmx['unloadedClass'] = classloading['value'][
'UnloadedClassCount']
dict_jmx['loadedClass'] = classloading['value']['LoadedClassCount']
dict_jmx['totalLoadedClass'] = classloading['value'][
'TotalLoadedClassCount']
def add_gc_parameters(self, jolokiaclient, dict_jmx):
"""Add garbage collector related jmx stats"""
def memory_gc_usage(self, mempool_gc, key, gc_name, dict_jmx):
for name, values in mempool_gc.items():
if name in ['G1 Eden Space', 'G1 Old Gen']:
mp_name = ''.join(name.split())
self.handle_neg_bytes(values['init'],
gc_name + key + mp_name + 'Init',
dict_jmx)
self.handle_neg_bytes(values['max'],
gc_name + key + mp_name + 'Max',
dict_jmx)
dict_jmx[gc_name + key + mp_name + 'Used'] = round(
values['used'] / 1024.0 / 1024.0, 2)
dict_jmx[gc_name + key + mp_name + 'Committed'] = round(
values['committed'] / 1024.0 / 1024.0, 2)
gc_names = self.get_gc_names(jolokiaclient)
for gc_name in gc_names:
str_mbean = 'java.lang:type=GarbageCollector,name=' + gc_name
if_valid = jolokiaclient.request(type='read',
mbean=str_mbean,
attribute='Valid')
if if_valid['status'] == 200 and if_valid['value'] == True:
str_attribute = 'CollectionTime,CollectionCount,LastGcInfo'
gc_values = jolokiaclient.request(type='read',
mbean=str_mbean,
attribute=str_attribute)
gc_name_no_spaces = ''.join(gc_name.split())
if gc_values['status'] == 200:
dict_jmx[gc_name_no_spaces + 'CollectionTime'] = round(
gc_values['value']['CollectionTime'] * 0.001, 2)
dict_jmx[gc_name_no_spaces +
'CollectionCount'] = gc_values['value'][
'CollectionCount']
if gc_values['value']['LastGcInfo']:
dict_jmx[gc_name_no_spaces +
'GcThreadCount'] = gc_values['value'][
'LastGcInfo']['GcThreadCount']
dict_jmx[gc_name_no_spaces + 'StartTime'] = round(
gc_values['value']['LastGcInfo']['startTime'] *
0.001, 2)
dict_jmx[gc_name_no_spaces + 'EndTime'] = round(
gc_values['value']['LastGcInfo']['endTime'] *
0.001, 2)
dict_jmx[gc_name_no_spaces + 'Duration'] = round(
gc_values['value']['LastGcInfo']['duration'] *
0.001, 2)
mem_aftergc = gc_values['value']['LastGcInfo'][
'memoryUsageAfterGc']
memory_gc_usage(self, mem_aftergc, 'MemUsageAfGc',
gc_name_no_spaces, dict_jmx)
mem_beforegc = gc_values['value']['LastGcInfo'][
'memoryUsageBeforeGc']
memory_gc_usage(self, mem_beforegc, 'MemUsageBfGc',
gc_name_no_spaces, dict_jmx)
def add_threading_parameters(self, jolokiaclient, dict_jmx):
"""Add thread related jmx stats"""
mbean_threading = 'java.lang:type=Threading'
thread_json = jolokiaclient.request(type='read', mbean=mbean_threading)
if thread_json['status'] == 200:
dict_jmx['threads'] = thread_json['value']['ThreadCount']
dict_jmx['peakThreads'] = thread_json['value']['PeakThreadCount']
dict_jmx['daemonThreads'] = thread_json['value'][
'DaemonThreadCount']
dict_jmx['totalStartedThreads'] = thread_json['value'][
'TotalStartedThreadCount']
if thread_json['value']['CurrentThreadCpuTimeSupported']:
dict_jmx['currentThreadCpuTime'] = round(
thread_json['value']['CurrentThreadCpuTime'] /
1000000000.0, 2)
dict_jmx['currentThreadUserTime'] = round(
thread_json['value']['CurrentThreadUserTime'] /
1000000000.0, 2)
def add_memory_parameters(self, jolokiaclient, dict_jmx):
"""Add memory related jmx stats"""
memory_json = jolokiaclient.request(type='read',
mbean='java.lang:type=Memory')
if memory_json['status'] == 200:
heap = memory_json['value']['HeapMemoryUsage']
self.handle_neg_bytes(heap['init'], 'heapMemoryUsageInit',
dict_jmx)
self.handle_neg_bytes(heap['max'], 'heapMemoryUsageMax', dict_jmx)
dict_jmx['heapMemoryUsageUsed'] = round(
heap['used'] / 1024.0 / 1024.0, 2)
dict_jmx['heapMemoryUsageCommitted'] = round(
heap['committed'] / 1024.0 / 1024.0, 2)
non_heap = memory_json['value']['NonHeapMemoryUsage']
self.handle_neg_bytes(non_heap['init'], 'nonHeapMemoryUsageInit',
dict_jmx)
self.handle_neg_bytes(non_heap['max'], 'nonHeapMemoryUsageMax',
dict_jmx)
dict_jmx['nonHeapMemoryUsageUsed'] = round(
non_heap['used'] / 1024.0 / 1024.0, 2)
dict_jmx['nonHeapMemoryUsageCommitted'] = round(
non_heap['committed'] / 1024.0 / 1024.0, 2)
dict_jmx['objectPendingFinalization'] = memory_json['value'][
'ObjectPendingFinalizationCount']
def add_memory_pool_parameters(self, jolokiaclient, dict_jmx):
"""Add memory pool related jmx stats"""
mp_names = self.get_memory_pool_names(jolokiaclient)
for pool_name in mp_names:
str_mbean = 'java.lang:type=MemoryPool,name=' + pool_name
if_valid = jolokiaclient.request(type='read',
mbean=str_mbean,
attribute='Valid')
if if_valid['status'] == 200 and if_valid['value'] == True:
str_attribute = 'CollectionUsage,PeakUsage,Type,Usage,CollectionUsageThresholdSupported,UsageThresholdSupported'
mp_values = jolokiaclient.request(type='read',
mbean=str_mbean,
attribute=str_attribute)
pool_name_no_spaces = ''.join(pool_name.split())
if mp_values['status'] == 200:
coll_usage = mp_values['value']['CollectionUsage']
if coll_usage:
self.handle_neg_bytes(
coll_usage['max'],
pool_name_no_spaces + 'CollectionUsageMax',
dict_jmx)
self.handle_neg_bytes(
coll_usage['init'],
pool_name_no_spaces + 'CollectionUsageInit',
dict_jmx)
dict_jmx[pool_name_no_spaces +
'CollectionUsageUsed'] = round(
coll_usage['used'] / 1024.0 / 1024.0, 2)
dict_jmx[pool_name_no_spaces +
'CollectionUsageCommitted'] = round(
coll_usage['committed'] / 1024.0 / 1024.0,
2)
usage = mp_values['value']['Usage']
self.handle_neg_bytes(usage['max'],
pool_name_no_spaces + 'UsageMax',
dict_jmx)
self.handle_neg_bytes(usage['init'],
pool_name_no_spaces + 'UsageInit',
dict_jmx)
dict_jmx[pool_name_no_spaces + 'UsageUsed'] = round(
usage['used'] / 1024.0 / 1024.0, 2)
dict_jmx[pool_name_no_spaces + 'UsageCommitted'] = round(
usage['committed'] / 1024.0 / 1024.0, 2)
peak_usage = mp_values['value']['PeakUsage']
self.handle_neg_bytes(peak_usage['max'],
pool_name_no_spaces + 'PeakUsageMax',
dict_jmx)
self.handle_neg_bytes(
peak_usage['init'],
pool_name_no_spaces + 'PeakUsageInit', dict_jmx)
dict_jmx[pool_name_no_spaces + 'PeakUsageUsed'] = round(
peak_usage['used'] / 1024.0 / 1024.0, 2)
dict_jmx[pool_name_no_spaces +
'PeakUsageCommitted'] = round(
peak_usage['committed'] / 1024.0 / 1024.0, 2)
if mp_values['value']['CollectionUsageThresholdSupported']:
coll_attr = 'CollectionUsageThreshold,CollectionUsageThresholdCount,CollectionUsageThresholdExceeded'
coll_threshold = jolokiaclient.request(
type='read', mbean=str_mbean, attribute=coll_attr)
if coll_threshold['status'] == 200:
dict_jmx[pool_name_no_spaces +
'CollectionUsageThreshold'] = round(
coll_threshold['value']
['CollectionUsageThreshold'] /
1024.0 / 1024.0, 2)
dict_jmx[
pool_name_no_spaces +
'CollectionUsageThresholdCount'] = coll_threshold[
'value']['CollectionUsageThreshold']
dict_jmx[
pool_name_no_spaces +
'CollectionUsageThresholdExceeded'] = coll_threshold[
'value'][
'CollectionUsageThresholdExceeded']
if mp_values['value']['UsageThresholdSupported']:
usage_attr = 'UsageThreshold,UsageThresholdCount,UsageThresholdExceeded'
usage_threshold = jolokiaclient.request(
type='read', mbean=str_mbean, attribute=usage_attr)
if usage_threshold['status'] == 200:
dict_jmx[pool_name_no_spaces +
'UsageThreshold'] = round(
usage_threshold['value']
['UsageThreshold'] / 1024.0 / 1024.0,
2)
dict_jmx[pool_name_no_spaces +
'UsageThresholdCount'] = usage_threshold[
'value']['UsageThreshold']
dict_jmx[
pool_name_no_spaces +
'UsageThresholdExceeded'] = usage_threshold[
'value']['UsageThresholdExceeded']
def handle_neg_bytes(self, value, resultkey, dict_jmx):
"""Condition for byte keys whose return value may be -1 if not supported."""
if value == -1:
dict_jmx[resultkey] = value
else:
dict_jmx[resultkey] = round(value / 1024.0 / 1024.0, 2)
def add_common_params(self, doc, dict_jmx):
"""Adds TIMESTAMP, PLUGIN, PLUGITYPE to dictionary."""
timestamp = int(round(time.time() * 1000))
dict_jmx[TIMESTAMP] = timestamp
dict_jmx[PLUGIN] = ZOOK_JMX
dict_jmx[PLUGINTYPE] = doc
dict_jmx[ACTUALPLUGINTYPE] = ZOOK_JMX
#dict_jmx[PLUGIN_INS] = doc
collectd.info(
"Plugin zookeeperjmx: Added common parameters successfully for %s doctype"
% doc)
def get_pid_jmx_stats(self, pid, port, output):
"""Call get_jmx_parameters function for each doc_type and add dict to queue"""
jolokiaclient = self.jclient.get_jolokia_inst(port)
for doc in ZOOK_DOCS:
try:
dict_jmx = {}
self.get_jmx_parameters(jolokiaclient, doc, dict_jmx)
if not dict_jmx:
raise ValueError("No data found")
collectd.info(
"Plugin zookeeperjmx: Added %s doctype information successfully for pid %s"
% (doc, pid))
self.add_common_params(doc, dict_jmx)
output.put((pid, doc, dict_jmx))
except Exception as err:
collectd.error(
"Plugin zookeeperjmx: Error in collecting stats of %s doctype: %s"
% (doc, str(err)))
def run_pid_process(self, list_pid):
"""Spawn process for each pid"""
procs = []
output = multiprocessing.Queue()
for pid in list_pid:
port = self.jclient.get_jolokia_port(pid)
if port and self.jclient.connection_available(port):
proc = multiprocessing.Process(target=self.get_pid_jmx_stats,
args=(pid, port, output))
procs.append(proc)
proc.start()
for proc in procs:
proc.join()
# for p in procs:
# collectd.debug("%s, %s" % (p, p.is_alive()))
return procs, output
def collect_jmx_data(self):
"""Collects stats and spawns process for each pids."""
list_pid = self.jclient.get_pid()
if not list_pid:
collectd.error("Plugin zookeeperjmx: No %s processes are running" %
self.process)
return
procs, output = self.run_pid_process(list_pid)
for _ in procs:
for _ in ZOOK_DOCS:
try:
pid, doc_name, doc_result = output.get_nowait()
except Queue.Empty:
collectd.error(
"Failed to send one or more doctype document to collectd"
)
continue
# Dispatching documentsTypes which are requetsed alone
if doc_name in self.documentsTypes:
if doc_name == "zookeeperStats":
self.add_rate_dispatch(pid, doc_name, doc_result)
else:
self.dispatch_data(doc_name, doc_result)
output.close()
def dispatch_data(self, doc_name, result):
"""Dispatch data to collectd."""
if doc_name == "zookeeperStats":
for item in ["packetsSent", "packetsReceived"]:
del result[item]
collectd.info(
"Plugin zookeeperjmx: Succesfully sent %s doctype to collectd." %
doc_name)
collectd.debug("Plugin zookeeperjmx: Values dispatched =%s" %
json.dumps(result))
utils.dispatch(result)
def read_temp(self):
"""Collectd first calls register_read. At that time default interval is taken,
hence temporary function is made to call, the read callback is unregistered
and read() is called again with interval obtained from conf by register_config callback."""
collectd.unregister_read(self.read_temp)
collectd.register_read(self.collect_jmx_data,
interval=int(self.interval))