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systestmon.py
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systestmon.py
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import argparse
import json
import logging
import re
from datetime import datetime, timedelta
from threading import Thread
import httplib2
import traceback
import socket
import time
import base64
import os
import ast
import zipfile
from couchbase.cluster import Cluster, PasswordAuthenticator
import paramiko
from collections import Mapping, Sequence, Set, deque
from scp import SCPClient
class Globals(object):
logger = logging.getLogger("systestmon")
timestamp = str(datetime.now().strftime('%Y-%m-%dT%H:%M:%S'))
sdk_client = None
class SDKClient(object):
def __init__(self, cb_host):
try:
self.cluster = self.get_cluster(cb_host)
self.bucket = self.get_bucket("system_test_dashboard")
except Exception as e:
print("SDK WARNING: %s" % e)
def append_list(self, key, value):
try:
self.bucket.list_append(key, value, create=True)
except Exception:
self.bucket.default_collection().list_append(key, value, create=True)
def store_results(self, msg_sub, msg_content):
build_id = os.getenv("BUILD_NUMBER")
if build_id is not None:
key = "log_parser_results_" + build_id
self.append_list(key, msg_sub + "\n" + msg_content)
def get_cluster(self, cb_host):
try:
cluster = Cluster('couchbase://{}'.format(cb_host))
authenticator = PasswordAuthenticator('Administrator', 'password')
cluster.authenticate(authenticator)
return cluster
except Exception:
from couchbase.cluster import ClusterOptions
cluster = Cluster(
'couchbase://{}'.format(cb_host),
ClusterOptions(PasswordAuthenticator('Administrator',
'password')))
return cluster
def get_bucket(self, name):
try:
return self.cluster.open_bucket(name)
except Exception:
return self.cluster.bucket(name)
class Configuration(object):
# Input map of keywords to be mined for in the logs
configuration = [
{
"component": "memcached",
"logfiles": "babysitter.log*",
"services": "all",
"keywords": ["exception occurred in runloop",
"failover exited with reason",
"Basic\s[a-zA-Z]\{10,\}",
"Menelaus-Auth-User:\["],
"ignore_keywords": None,
"check_stats_api": False,
"collect_dumps": False
},
{
"component": "memcached",
"logfiles": "memcached.log.*",
"services": "all",
"keywords": ["CRITICAL", "Basic\s[a-zA-Z]\{10,\}",
"Menelaus-Auth-User:\[",
"exception occurred in runloop",
"Invalid packet header detected"],
"ignore_keywords": None,
"check_stats_api": False,
"collect_dumps": False
},
{
"component": "index",
"logfiles": "indexer.log*",
"services": "index",
"keywords": ["panic", "fatal", "Error parsing XATTR", "zero", "protobuf.Error", "Encounter planner error",
"corruption", "processFlushAbort", "Basic\s[a-zA-Z]\{10,\}", "Menelaus-Auth-User:\[",
"Failed to initialize metadata provider", "found missing page", "invalid last page",
"Storage corrupted and unrecoverable", "ensureMonotonicTs Align seqno smaller than lastFlushTs",
"invalid length of composite element filters in scan request",
"Internal error while creating new scan request", "StorageMgr::handleCreateSnapshot Disk commit timestamp is not snapshot aligned",
"ReplicaViolation", "ExcludeNodeViolation", "EquivIndexViolation", "ServerGroupViolation", "DeleteNodeViolation",
"NoViolation", "MemoryViolation", "NumVbs out of valid range"],
"ignore_keywords": ["fatal remote"],
"check_stats_api": True,
"stats_api_list": ["stats/storage", "stats"],
"port": "9102",
"collect_dumps": True
},
{
"component": "analytics",
"logfiles": "analytics_error*",
"services": "cbas",
"keywords": ["fata", "Analytics Service is temporarily unavailable", "Failed during startup task", "HYR0",
"ASX", "IllegalStateException", "Basic\s[a-zA-Z]\{10,\}", "Menelaus-Auth-User:\[", "panic", "LEAK: ByteBuf.release() was not called",
"failed to migrate metadata partition", "Internal error", "CBAS\[number\]", "IllegalReferenceCountException", "ArrayIndexOutOfBoundsException",
"ACIDException", "MetadataException", "OverflowException", "UnderflowException", "NullPointerException", "StackOverflowException", "Failure closing a closeable resource"],
"ignore_keywords": ["HYR0010","HYR0115","ASX3110","HYR0114"],
"check_stats_api": False,
"collect_dumps": False
},
{
"component": "eventing",
"logfiles": "eventing.log*",
"services": "eventing",
"keywords": ["panic", "fatal", "Basic\s[a-zA-Z]\{10,\}", "Menelaus-Auth-User:\[", "Minidump"],
"ignore_keywords": None,
"check_stats_api": False,
"collect_dumps": False
},
{
"component": "fts",
"logfiles": "fts.log*",
"services": "fts",
"keywords": ["panic", "fatal", "authPassword", "\[ERRO\]", "Basic\s[a-zA-Z]\{10,\}",
"Menelaus-Auth-User:\["],
"ignore_keywords": ["Fatal:false", "use of closed network connection",
"Reschedule failed, failing request", "TLS handshake error", "cannot unmarshal object",
"bleve.Index is not copyable"],
"check_stats_api": True,
"stats_api_list": ["api/stats"],
"port": "8094",
"collect_dumps": True
},
{
"component": "xdcr",
"logfiles": "*xdcr*.log*",
"services": "kv",
"keywords": ["Failed on calling", "panic", "fatal", "Basic\s[a-zA-Z]\{10,\}", "Menelaus-Auth-User:\[",
"non-recoverable error from xmem client", "Unable to respond to caller",
"Unable to generate req or resp", "error when making rest call or unmarshalling data",
"unable to find last known target manifest version", "net/http: request canceled",
"has payloadCompressed but no payload after deserialization",
"Error converting VBTask to DCP Nozzle Task",
"Xmem is stuck"],
"ignore_keywords": None,
"check_stats_api": False,
"collect_dumps": False,
"outgoing_mutations_threshold": 1000000
},
{
"component": "projector",
"logfiles": "projector.log*",
"services": "kv",
"keywords": ["panic", "Error parsing XATTR", "Basic\s[a-zA-Z]\{10,\}", "Menelaus-Auth-User:\[", "seq order violation"],
#"keywords": ["panic", "Error parsing XATTR", "Basic\s[a-zA-Z]\{10,\}", "Menelaus-Auth-User:\["],
"ignore_keywords": None,
"check_stats_api": False,
"port": "9999",
"collect_dumps": True
},
{
"component": "rebalance",
"logfiles": "error.log*",
"services": "all",
"keywords": ["rebalance exited", "failover exited with reason", "Basic\s[a-zA-Z]\{10,\}",
"Menelaus-Auth-User:\[","Join completion call failed"],
"ignore_keywords": None,
"check_stats_api": False,
"collect_dumps": False
},
{
"component": "crash",
"logfiles": "info.log*",
"services": "all",
"keywords": ["exited with status", "failover exited with reason", "Basic\s[a-zA-Z]\{10,\}",
"Menelaus-Auth-User:\["],
"ignore_keywords": ["exited with status 0"],
"check_stats_api": False,
"collect_dumps": False
},
{
"component": "query",
"logfiles": "query.log*",
"services": "n1ql",
"keywords": ["panic", "fatal", "Encounter planner error", "Basic\s[a-zA-Z]\{10,\}",
"Menelaus-Auth-User:\[", "invalid byte in chunk length", "Minidump"],
"ignore_keywords": ["not available"],
"check_stats_api": False,
"collect_dumps": True,
"port": "8093"
},
{
"component": "autofailover",
"logfiles": "info.log*",
"services": "all",
"keywords": ["due to operation being unsafe for service index"],
"ignore_keywords": None,
"check_stats_api": False,
"collect_dumps": False
},
{
"component": "backup",
"logfiles": "backup_service.log*",
"services": "backup",
"keywords": ["panic", "fatal", "warn", "Failed Task",
"Basic\s[a-zA-Z]\{10,\}", "Menelaus-Auth-User:\["],
"ignore_keywords": None,
"check_stats_api": False,
"collect_dumps": True,
"port": "8097"
}
]
# Frequency of scanning the logs in seconds
scan_interval = 3600
# Level of memory usage after which alert should be raised
mem_threshold = 90
# Level of CPU usage after which alert should be raised
cpu_threshold = 90
ignore_list = ["Port exited with status 0", "Fatal:false",
"HyracksDataException: HYR0115: Local network error",
"No such file or directory"]
class ScriptConfig(object):
print_all_logs = False
should_collect_dumps = False
cbcollect_on_high_mem_cpu_usage = False
scan_xdcr_destination = False
docker_host = None
email_recipients = ""
state_file_dir = ""
class CBCluster(object):
def __init__(self, cluster_name, master_node, rest_username, rest_password,
ssh_username, ssh_password):
self.cluster_name = cluster_name
self.master_node = master_node
self.rest_username = rest_username
self.rest_password = rest_password
self.ssh_username = ssh_username
self.ssh_password = ssh_password
class SysTestMon(object):
# 1. Get service map for cluster
# 2. For each component, get nodes for the requested service
# 3. SSH to those nodes, grep for specified keywords in specified files
# 4. Reporting
def __init__(self, cluster, run_infinite, start_itr=1):
self.logger = Globals.logger
self.cluster = cluster
self.cb_version = ""
self.run_infinite = run_infinite
self.state_file = "{}/eagle-eye_{}.state" \
.format(ScriptConfig.state_file_dir, cluster.master_node)
self.keyword_counts = dict()
self.keyword_counts["timestamp"] = Globals.timestamp
self.dump_dir_name = ""
self.docker_logs_dump = ""
self.iter_count = start_itr
self.token = None
@staticmethod
def append_msg_string(msg_text, file_text, msg_to_append):
truncated = False
file_text = file_text + msg_to_append
msg_to_append = msg_to_append.split("\n")
if len(msg_to_append) > 11:
truncated = True
msg_to_append = msg_to_append[:10]
msg_to_append = "\n".join(msg_to_append)
msg_to_append += "...[truncated]\n" if truncated else "\n"
msg_text = msg_text + msg_to_append
return msg_text, file_text
def run(self):
self.wait_for_cluster_init(self.cluster.master_node)
last_scan_timestamp = ""
xdcr_monitor_threads = list()
try:
cmd = "/opt/couchbase/bin/couchbase-server --version"
_, self.cb_version, std_err = self.execute_command(
cmd, self.cluster.master_node, self.cluster.ssh_username, self.cluster.ssh_password)
except Exception:
pass
while True:
msg_sub = ""
msg_content = ""
file_content = ""
should_cbcollect = False
prev_keyword_counts = None
self.dump_dir_name = "dump_collected_{}".format(self.iter_count)
# Used to identify the current itr uniquely
self.token = int(time.time())
if os.path.exists(self.state_file):
s = open(self.state_file, 'r').read()
prev_keyword_counts = ast.literal_eval(s)
last_scan_timestamp = datetime.strptime(
prev_keyword_counts["last_scan_timestamp"],
"%Y-%m-%d %H:%M:%S.%f")
if not os.path.isdir(self.dump_dir_name):
os.mkdir(self.dump_dir_name)
node_map = self.get_services_map(self.cluster.master_node,
self.cluster.rest_username,
self.cluster.rest_password)
if not node_map:
continue
if ScriptConfig.scan_xdcr_destination:
for x_index, xdcr_ip in enumerate(self.get_xdcr_dest(self.cluster.master_node)):
self.logger.info("Starting XDCR log collection for {}"
.format(xdcr_ip))
xdcr_cluster = CBCluster(
"xdcr_cluster_%s" % x_index, xdcr_ip,
self.cluster.rest_username, self.cluster.rest_password,
self.cluster.ssh_username, self.cluster.ssh_password)
t_sysmon_obj = SysTestMon(xdcr_cluster, False,
start_itr=self.iter_count)
t_thread = Thread(name="XDCR_{}_thread".format(xdcr_ip),
target=t_sysmon_obj.run)
xdcr_monitor_threads.append(t_thread)
t_thread.start()
for component in Configuration.configuration:
nodes = self.find_nodes_with_service(node_map,
component["services"])
self.logger.info("{} ({}) - Nodes with {} service : {}"
.format(self.cluster.master_node,
self.cluster.cluster_name,
component["services"], str(nodes)))
for keyword in component["keywords"]:
key = component["component"] + "_" + keyword
self.logger.info(
"{} ({}) - Parsing for component: {}, looking for '{}'"
.format(self.cluster.master_node,
self.cluster.cluster_name,
component["component"], keyword))
total_occurrences = 0
for node in nodes:
if component["ignore_keywords"]:
command = "zgrep -i \"{0}\" /opt/couchbase/var/lib/couchbase/logs/{1} | grep -vE \"{2}\"".format(
keyword, component["logfiles"], "|".join(component["ignore_keywords"]))
else:
command = "zgrep -i \"{0}\" /opt/couchbase/var/lib/couchbase/logs/{1}".format(
keyword, component["logfiles"])
occurences = 0
try:
occurences, output, std_err = self.execute_command(
command, node, self.cluster.ssh_username,
self.cluster.ssh_password)
except Exception as e:
self.logger.info("Exception {0}".format(e))
txt = '\n\n%s: %s\n\n ' \
'Found an exception: %s' \
% (node, component["component"], e)
msg_content, file_content = \
self.append_msg_string(msg_content,
file_content, txt)
if occurences > 0:
self.logger.warning(
"{} - {} occurrences of keyword '{}' found"
.format(node, occurences, keyword))
txt = "\n\n%s: %s" % (node, component["component"])
if ScriptConfig.print_all_logs \
or last_scan_timestamp == "":
try:
self.logger.debug('\n'.join(output))
txt += "\n%s" % ('\n'.join(output))
except UnicodeDecodeError as e:
self.logger.warning(str(e))
txt += "\n%s" % ('\n'.join(output)
.decode("utf-8"))
else:
txt = self.print_output(output, last_scan_timestamp, txt)
msg_content, file_content = \
self.append_msg_string(msg_content,
file_content, txt)
total_occurrences += occurences
self.keyword_counts[key] = total_occurrences
if prev_keyword_counts is not None \
and key in prev_keyword_counts.keys():
if total_occurrences > int(prev_keyword_counts[key]):
self.logger.warning(
"There have been more occurences of keyword {0} "
"in the logs since the last iteration. Hence "
"performing a cbcollect.".format(keyword))
should_cbcollect = True
else:
if total_occurrences > 0:
should_cbcollect = True
for node in nodes:
if component["check_stats_api"]:
txt = '\n\n%s: %s' % (node, component["component"])
try:
fin_neg_stat, txt = self.check_stats_api(node, component, txt)
if fin_neg_stat.__len__() != 0:
should_cbcollect = True
except Exception as e:
self.logger.info("Found an exception {0}".format(e))
msg_content, file_content = \
self.append_msg_string(msg_content,
file_content, txt)
if component["collect_dumps"] and ScriptConfig.should_collect_dumps:
txt = '\n\n%s: %s collecting dumps' % (node, component["component"])
try:
txt = self.collect_dumps(node, component, txt)
except Exception as e:
self.logger.info("Found an exception {0}".format(e))
msg_content, file_content = \
self.append_msg_string(msg_content,
file_content, txt)
# Check if all n1ql nodes are healthy
if component["component"] == "query":
n1ql_nodes = self.find_nodes_with_service(node_map, "n1ql")
if n1ql_nodes:
# Check to make sure all nodes are healthy
self.logger.info("Checking query nodes for health")
should_collect, message = self.check_nodes_healthy(
nodes=nodes, component=component,
rest_username=self.cluster.rest_username,
rest_password=self.cluster.rest_password,
ssh_username=self.cluster.ssh_username,
ssh_password=self.cluster.ssh_password)
if should_collect:
should_cbcollect = True
if not message == '':
txt = '\n\n%s: %s\n\n%s\n' \
% (node, component["component"], message)
msg_content, file_content = \
self.append_msg_string(msg_content,
file_content, txt)
# Check system:completed_requests for errors
self.logger.info("Checking system:completed requests for errors")
should_collect, message = self.check_completed_requests(
nodes=nodes, component=component,
rest_username=self.cluster.rest_username,
rest_password=self.cluster.rest_password,
ssh_username=self.cluster.ssh_username,
ssh_password=self.cluster.ssh_password)
if should_collect:
should_cbcollect = True
if not message == '':
txt = '\n\n%s: %s\n\n%s\n' \
% (node, component["component"], message)
msg_content, file_content = \
self.append_msg_string(msg_content,
file_content, txt)
# Check active_requests to make sure that are no more than 1k active requests at a single time
self.logger.info("Checking system:active requests for too many requests")
should_collect, message = self.check_active_requests(
nodes=nodes, component=component,
rest_username=self.cluster.rest_username,
rest_password=self.cluster.rest_password,
ssh_username=self.cluster.ssh_username,
ssh_password=self.cluster.ssh_password)
if should_collect:
should_cbcollect = True
if not message == '':
txt = '\n\n%s: %s\n\n%s\n' \
% (node, component["component"], message)
msg_content, file_content = \
self.append_msg_string(msg_content,
file_content, txt)
# # Check if XDCR outgoing mutations in the past hour > threshold
# if component["component"] == "xdcr":
# threshold = component["outgoing_mutations_threshold"]
# src_buckets = self.get_xdcr_src_buckets(master_node)
# for src_bucket in src_buckets:
# bucket_stats = self.fetch_bucket_xdcr_stats(master_node, src_bucket)['op']['samples'][
# 'replication_changes_left'][-60:]
# if all(stat > threshold for stat in bucket_stats):
# self.logger.warn(
# "XDCR outgoing mutations in the past hour on {0}\n{1} > {2}".format(
# src_bucket,
# bucket_stats,
# threshold))
# should_cbcollect = True
# Check for health of all nodes
for node in node_map:
if node["memUsage"] > Configuration.mem_threshold:
self.logger.warning(
"***** ALERT : Memory usage on {0} is very high : {1}%"
.format(node["hostname"], node["memUsage"]))
# if cbcollect_on_high_mem_cpu_usage:
# should_cbcollect = True
if node["cpuUsage"] > Configuration.cpu_threshold:
self.logger.warning(
"***** ALERT : CPU usage on {0} is very high : {1}%"
.format(node["hostname"], node["cpuUsage"]))
# if cbcollect_on_high_mem_cpu_usage:
# should_cbcollect = True
if node["status"] != "healthy":
self.logger.warning(
"***** ALERT: {0} is not healthy. Current status: {1}%"
.format(node["hostname"], node["status"]))
if ScriptConfig.cbcollect_on_high_mem_cpu_usage:
should_cbcollect = True
# Check NTP status
# command = "timedatectl status | grep NTP"
# self.record_command_output(node["hostname"], command)
# Check disk usage
command = "df -kh /data"
self.record_command_output(node["hostname"], command)
last_scan_timestamp = datetime.now() - timedelta(minutes=10.0)
self.logger.info("Last scan timestamp:" + str(last_scan_timestamp))
self.keyword_counts["last_scan_timestamp"] = str(last_scan_timestamp)
if ScriptConfig.docker_host is not None:
try:
command = "docker ps -q | xargs docker inspect --format {{.LogPath}}"
occurences, output, std_err = self.execute_command(
command, ScriptConfig.docker_host,
self.cluster.ssh_username, self.cluster.ssh_password)
self.docker_logs_dump = "docker_dump_collected_" + str(self.iter_count) \
+ "_" + str(datetime.now().strftime('%Y-%m-%dT%H:%M:%S'))
os.mkdir(self.docker_logs_dump)
ssh_client = self.get_ssh_client(
ScriptConfig.docker_host, self.cluster.ssh_username,
self.cluster.ssh_password)
for file in output:
with SCPClient(ssh_client.get_transport()) as scp:
scp.get(file, local_path=self.docker_logs_dump)
docker_logs_location = "{0}/{1}".format(os.getcwd(), self.docker_logs_dump)
txt = "\n\nDocker logs collected at: %s" % docker_logs_location
msg_content, file_content = \
self.append_msg_string(msg_content,
file_content, txt)
self.logger.info("Collecting all docker logs completed. "
"Docker logs at : {0}"
.format(docker_logs_location))
except Exception as e:
self.logger.info("Could not collect docker logs: %s" % e)
collected = False
cbcollect_urls = ""
start_time = time.time()
time_out_val = start_time + 3600
while should_cbcollect and not collected \
and time.time() < time_out_val:
self.logger.info("{} ({}) :: Running cbcollect_info"
.format(self.cluster.master_node,
self.cluster.cluster_name))
command = \
"/opt/couchbase/bin/couchbase-cli collect-logs-start " \
"-c {0} -u {1} -p {2} --all-nodes --upload " \
"--upload-host cb-jira.s3.us-east-2.amazonaws.com/logs " \
"--customer systestmon-{3}"\
.format(self.cluster.master_node,
self.cluster.rest_username,
self.cluster.rest_password, self.token)
_, cbcollect_output, std_err = self.execute_command(
command, self.cluster.master_node,
self.cluster.ssh_username, self.cluster.ssh_password)
if std_err:
self.logger.error("Error while running cbcollect_info")
self.logger.info(std_err)
else:
for i in range(len(cbcollect_output)):
self.logger.info(cbcollect_output[i])
while True:
command = "/opt/couchbase/bin/couchbase-cli " \
"collect-logs-status -c {0} -u {1} -p {2}"\
.format(self.cluster.master_node,
self.cluster.rest_username,
self.cluster.rest_password)
_, cbcollect_output, std_err = self.execute_command(
command, self.cluster.master_node,
self.cluster.ssh_username, self.cluster.ssh_password)
if std_err:
self.logger.error("cbcollect_info error: %s" % std_err)
break
else:
if cbcollect_output[0] == "Status: running":
time.sleep(60)
elif cbcollect_output[0] == "Status: completed":
collected = True
cbcollect_upload_paths = list()
for line in cbcollect_output:
if "url :" in line:
cbcollect_upload_paths.append(line)
cbcollect_urls = "\nCbcollect logs:\n\n%s" \
% ('\n'.join(cbcollect_upload_paths))
self.logger.info(cbcollect_urls)
break
elif cbcollect_output[0] == "Status: cancelled":
collected = False
cbcollect_upload_paths = list()
for line in cbcollect_output:
if "url :" in line:
cbcollect_upload_paths.append(line)
cbcollect_urls = "\nCbcollect logs:\n\n%s" \
% ('\n'.join(cbcollect_upload_paths))
self.logger.info(cbcollect_urls)
break
else:
self.logger.error("Issue with cbcollect: %s"
% cbcollect_output)
break
self.update_state_file()
txt = "{} ({}) : {} Log scan iteration number {} complete" \
.format(self.cluster.master_node,
self.cluster.cluster_name, self.cb_version,
self.iter_count)
msg_sub = msg_sub.join(txt)
if should_cbcollect:
try:
msg_content += cbcollect_urls
file_content += cbcollect_urls
self.send_email(msg_sub, ScriptConfig.email_recipients,
msg_content, file_content)
except Exception as e:
self.logger.critical("Send mail exception: %s" % e)
try:
Globals.sdk_client.store_results(msg_sub, msg_content)
except Exception:
pass
self.logger.info("========== %s ==========" % txt)
if ScriptConfig.scan_xdcr_destination:
for t_thread in xdcr_monitor_threads:
t_thread.join(1800)
if not self.run_infinite:
break
self.iter_count = self.iter_count + 1
if time.time() - start_time >= Configuration.scan_interval:
continue
else:
sleep_time = Configuration.scan_interval \
- int(time.time() - start_time)
self.logger.info("====== Sleeping for {0} seconds ======"
.format(sleep_time))
time.sleep(sleep_time)
def get_ssh_client(self, host, username, password):
client = paramiko.SSHClient()
client.load_system_host_keys()
client.set_missing_host_key_policy(paramiko.AutoAddPolicy())
client.connect(host, username=username, password=password,
timeout=120, banner_timeout=120)
return client
def record_command_output(self, node, command):
self.logger.info("{} :: Running '{}'".format(node, command))
try:
_, df_output, std_err = self.execute_command(
command, node, self.cluster.ssh_username,
self.cluster.ssh_password)
if std_err:
self.logger.error("std error while running '%s': %s"
% (command, std_err))
else:
for i in range(len(df_output)):
self.logger.info(df_output[i])
except Exception as e:
self.logger.error(e)
def send_email(self, msg_sub, email_recipients, msg_content, file_content):
attachment = ""
mail_from = "Eagle-Eye<eagle-eye@couchbase.com>"
t_file_prefix = "/tmp/iter_{}_{}_{}"\
.format(self.iter_count, self.cluster.master_node, self.token)
# Dump the email body to file
with open("{}_body.log".format(t_file_prefix), "w") as fp:
fp.write(msg_content.strip())
if file_content:
# Dump full logs into file for attachment
with open("{}.log".format(t_file_prefix), "w") as fp:
fp.write(file_content.strip())
# Zip the logs to compress
p = os.popen("zip -jFSr {0}.zip {0}.log".format(t_file_prefix))
status = p.close()
if status:
self.logger.info("Zip status: {}".format(status))
attachment = "-a \"{0}.zip\"".format(t_file_prefix)
# Send mail
cmd = "mailx -s \"{}\" {} -r \"{}\" \"{}\" < \"{}_body.log\"" \
.format(msg_sub, attachment, mail_from,
email_recipients, t_file_prefix)
self.logger.info("Sending mail: %s" % cmd)
p = os.popen(cmd)
status = p.close()
if status:
self.logger.info("Sendmail exit status: {}".format(status))
# Cleanup tmp files only if mail sent
if status is None:
p = os.popen("rm -f {}*".format(t_file_prefix))
status = p.close()
if status:
self.logger.info("Del .log file status: {}".format(status))
def update_state_file(self):
target = open(self.state_file, 'w')
target.write(str(self.keyword_counts))
def collect_dumps(self, node, component, msg_content):
goroutine_dump_name, cpupprof_dump_name, heappprof_dump_name = \
self.get_dumps(node, component["port"])
msg_content = msg_content + '\n' + "Dump Location : " + '\n' \
+ goroutine_dump_name + '\n' + cpupprof_dump_name \
+ '\n' + heappprof_dump_name
return msg_content
def check_stats_api(self, node, component, msg_content):
fin_neg_stat = []
for stat in component["stats_api_list"]:
stat_json = self.get_stats(stat, node, component["port"])
neg_stat = self.check_for_negative_stat(stat_json)
if neg_stat.__len__() != 0:
fin_neg_stat.append(neg_stat)
else:
neg_stat = None
self.logger.info(str(stat) + " : " + str(neg_stat))
msg_content = msg_content + '\n' + str(stat) + " : " + str(neg_stat)
return fin_neg_stat, msg_content
def check_for_negative_stat(self, stat_json):
queue = deque([stat_json])
neg_stats = []
while queue:
node = queue.popleft()
nodevalue = node
if type(node) is tuple:
nodekey = node[0]
nodevalue = node[1]
if isinstance(nodevalue, Mapping):
for k, v in nodevalue.items():
queue.extend([(k, v)])
elif isinstance(nodevalue, (Sequence, Set)) and not isinstance(nodevalue, basestring):
queue.extend(nodevalue)
else:
if isinstance(nodevalue, (int, long)) and nodevalue < 0 and "mutation_queue_size" not in nodekey:
neg_stats.append(node)
return neg_stats
def get_dumps(self, node, port):
goroutine_dump_name = "{0}/{1}/goroutine_{2}".format(os.getcwd(), self.dump_dir_name, node)
cpupprof_dump_name = "{0}/{1}/cpupprof_{2}".format(os.getcwd(), self.dump_dir_name, node)
heappprof_dump_name = "{0}/{1}/heappprof_{2}".format(os.getcwd(), self.dump_dir_name, node)
heap_dump_cmd = "curl http://{0}:{1}/debug/pprof/heap?debug=1 " \
"-u Administrator:password > {2}"\
.format(node, port, heappprof_dump_name)
cpu_dump_cmd = "curl http://{0}:{1}/debug/pprof/profile?debug=1 " \
"-u Administrator:password > {2}"\
.format(node, port, cpupprof_dump_name)
goroutine_dump_cmd = "curl http://{0}:{1}/debug/pprof/goroutine?debug=1 " \
"-u Administrator:password > {2}"\
.format(node, port, goroutine_dump_name)
self.logger.info(heap_dump_cmd)
os.system(heap_dump_cmd)
self.logger.info(cpu_dump_cmd)
os.system(cpu_dump_cmd)
self.logger.info(goroutine_dump_cmd)
os.system(goroutine_dump_cmd)
return goroutine_dump_name, cpupprof_dump_name, heappprof_dump_name
def get_stats(self, stat, node, port):
api = "http://{0}:{1}/{2}".format(node, port, stat)
json_parsed = {}
status, content, _ = self._http_request(api)
if status:
json_parsed = json.loads(content)
return json_parsed
def convert_output_to_json(self, output):
list_to_string = ''
list_to_string = list_to_string.join(output)
json_output = json.loads(list_to_string)
return json_output
def check_nodes_healthy(self, nodes, component, rest_username, rest_password, ssh_username, ssh_password):
msg_content = ''
should_cbcollect = False
for node in nodes:
command = "curl http://{0}:{1}/query/service -u {2}:{3} " \
"-d 'statement=select 1'"\
.format(node, component["port"], rest_username,
rest_password)
self.logger.info("Running curl: {0}".format(command))
try:
occurences, output, std_err = self.execute_command(
command, node, ssh_username, ssh_password)
self.logger.info("Node:{0} Results:{1}".format(node, str(output)))
if "Empty reply from server" in str(output) \
or "failed to connect" in str(output) \
or "timeout" in str(output):
self.logger.error(
"The n1ql service appears to be unhealthy! "
"Select 1 from node {0} failed! {1}"
.format(node, output))
should_cbcollect = True
except Exception as e:
self.logger.info("Found an exception {0}".format(e))
msg_content = msg_content + '\n\n' + node + " : " + str(component["component"])
msg_content = msg_content + '\n\n' + "Found an exception {0}".format(e) + "\n"
return should_cbcollect, msg_content
def check_completed_requests(self, nodes, component, rest_username,
rest_password, ssh_username, ssh_password):
msg_content = ''
should_cbcollect = False
collection_timestamp = time.time()
collection_timestamp = datetime.fromtimestamp(collection_timestamp).strftime('%Y-%m-%dT%H:%M:%S')
path = os.getcwd()
file = "query_completed_requests_errors_{0}.txt".format(collection_timestamp)
# Group the errors by the number of occurences of each distinct error message
command = "curl http://{0}:{1}/query/service -u {2}:{3} " \
"-d 'statement=select count(errors[0].message) " \
"as errorCount, errors[0].message from system:completed_requests " \
"where errorCount > 0 group by errors[0].message'"\
.format(nodes[0], component["port"], rest_username,
rest_password)
self.logger.info("Running curl: {0}".format(command))
try:
occurences, output, std_err = self.execute_command(
command, nodes[0], ssh_username, ssh_password)
# Convert the output to a json dict that we can parse
results = self.convert_output_to_json(output)
if results['metrics']['resultCount'] > 0:
for result in results['results']:
if 'message' in result:
# Filter out known errors
# Some errors can be filtered out based on errors[0].message, add those error messages here
if "Timeout" in result['message'] and "exceeded" in result["message"]:
try:
self.logger.info("Error message {0} is a known error, we will skip it and remove it from completed_requests".format(result['message']))
command = "curl http://{0}:{1}/query/service -u {2}:{3} -d 'statement=delete from system:completed_requests where errors[0].message = \"{4}\"'".format(
nodes[0], component["port"], rest_username, rest_password, result['message'])
self.logger.info("Running curl: {0}".format(command))
occurences, output, std_err = self.execute_command(
command, nodes[0], ssh_username, ssh_password)
results = self.convert_output_to_json(output)
except Exception as e:
if "errors" in str(e):
continue
else:
self.logger.info("There was an exception {0}".format(str(e)))
# Some errors need to be checked out further in order to see if they need to be filtered
elif "Commit Transaction statement error" in result['message']:
try:
command = "curl http://{0}:{1}/query/service -u {2}:{3} -d 'statement=select * from system:completed_requests where errors[0].message = \"{4}\"'".format(
nodes[0], component["port"], rest_username, rest_password, result['message'])
self.logger.info("{} - Running curl: {0}".format(nodes[0], command))
occurences, output, std_err = self.execute_command(
command, nodes[0], ssh_username, ssh_password)
# Convert the output to a json dict that we can parse
results = self.convert_output_to_json(output)
# Check the causes field for known errors, if we encounter one, remove them from completed_requests
for result in results['results']:
if "cause" in result['errors'][0]:
if "deadline expired before WWC" in result['errors'][0]['cause']['cause']['cause']:
self.logger.info(
"Error message {0} is a known error, we will skip it and remove it from completed_requests".format(
result['errors'][0]['cause']['cause']['cause']))
command = "curl http://{0}:{1}/query/service -u {2}:{3} -d 'statement=delete from system:completed_requests where errors[0].cause.cause.cause = \"{4}\"'".format(
nodes[0], component["port"], rest_username, rest_password,
result['errors'][0]['cause']['cause']['cause'])
self.logger.info("{} - Running curl: {}".format(nodes[0], command))
_, _, _ = self.execute_command(
command, nodes[0],
ssh_username, ssh_password)
except Exception as e:
if "errors" in str(e):
continue
else:
self.logger.info("There was an exception {0}".format(str(e)))
# add elifs here to mimic the above to filter more known causes of error messages
command = "curl http://{0}:{1}/query/service -u {2}:{3} -d 'statement=select count(errors[0].message) as errorCount, errors[0].message from system:completed_requests where errorCount > 0 group by errors[0].message'".format(
nodes[0], component["port"], rest_username, rest_password)
occurences, output, std_err = self.execute_command(
command, nodes[0], ssh_username, ssh_password)
# Convert the output to a json dict that we can parse
results = self.convert_output_to_json(output)
if results['metrics']['resultCount'] > 0:
self.logger.info("Errors found: {0}".format(results['results']))
for result in results['results']:
if 'message' in result:
self.logger.info(
"Number of occurences of message '{0}':{1}".format(result['message'], result['errorCount']))
# Look for an example of each error message, and print it out timestamped
command = "curl http://{0}:{1}/query/service -u {2}:{3} -d 'statement=select * from system:completed_requests where errors[0].message = \"{4}\" limit 1'".format(
nodes[0], component["port"], rest_username, rest_password, result['message'])
self.logger.info("Running curl: {0}".format(command))
occurences, output, std_err = self.execute_command(
command, nodes[0], ssh_username, ssh_password)
# Convert the output to a json dict that we can parse
results = self.convert_output_to_json(output)
self.logger.info(
"Sample result for error message '{0}' at time {1}: {2}"
.format(result['message'],
results['results'][0]['completed_requests']['requestTime'],
results['results']))
# Update msg_content to show errors were found
msg_content = msg_content + '\n\n' + nodes[0] + " : " + str(component["component"])
msg_content = msg_content + '\n\n' + "Sample result for error message '{0}' at time {1}: {2}".format(result['message'],
results['results'][0][
'completed_requests'][
'requestTime'],
results['results']) + "\n"
# Get the entire completed_requests errors and dump them to a file
command = "curl http://{0}:{1}/query/service -u {2}:{3} " \
"-d 'statement=select * from system:completed_requests " \
"where errorCount > 0 order by requestTime desc'"\
.format(nodes[0], component["port"], rest_username,
rest_password)
self.logger.info("{} = Running curl: {0}".format(nodes[0], command))
try:
occurences, output, std_err = self.execute_command(
command, nodes[0], ssh_username, ssh_password)
# Convert the output to a json dict that we can parse
results = self.convert_output_to_json(output)
# If there are results store the results in a file
if results['metrics']['resultCount'] > 0:
self.logger.info("We found errors in completed requests, storing errors to a file")
with open(os.path.join(path, file), 'w') as fp:
json.dump(results, fp, indent=4)
fp.close()
zipname = path + "/query_completed_requests_errors_{0}.zip".format(
collection_timestamp)
zipfile.ZipFile(zipname, mode='w').write(file)
os.remove(file)
file = file.replace(".txt", ".zip")
self.logger.info(
"Errors from completed_requests stored at {0}/{1}".format(path, file))
self.logger.info(
"After storing competed_requests_errors we will delete them from the server")
command = "curl http://{0}:{1}/query/service -u {2}:{3} -d 'statement=delete from system:completed_requests where errorCount > 0'".format(
nodes[0], component["port"], rest_username, rest_password)
self.logger.info("Running curl: {0}".format(command))
occurences, output, std_err = self.execute_command(
command, nodes[0], ssh_username, ssh_password)
should_cbcollect = True
except Exception as e:
self.logger.info("Found an exception {0}".format(e))
msg_content = msg_content + '\n\n' + nodes[0] + " : " + str(component["component"])
msg_content = msg_content + '\n\n' + "Found an exception {0}".format(e) + "\n"
except Exception as e:
self.logger.info("Found an exception {0}".format(e))