def parse_log(input_dir, output_dir, log_file, parser_type):
log_format = '<Label> <Id> <Date> <Admin> <Month> <Day> <Time> <AdminAddr> <Content>'
regex = [
r'(0x)[0-9a-fA-F]+', # hexadecimal
r'\d+\.\d+\.\d+\.\d+',
r'(?<=Warning: we failed to resolve data source name )[\w\s]+',
r'\d+'
]
keep_para = False
if parser_type == "drain":
# the hyper parameter is set according to http://jmzhu.logpai.com/pub/pjhe_icws2017.pdf
st = 0.3 # Similarity threshold
depth = 3 # Depth of all leaf nodes
# Drain is modified
parser = Drain.LogParser(log_format,
indir=input_dir,
outdir=output_dir,
depth=depth,
st=st,
rex=regex,
keep_para=keep_para,
maxChild=1000)
parser.parse(log_file)
elif parser_type == "spell":
tau = 0.35
parser = Spell.LogParser(indir=data_dir,
outdir=output_dir,
log_format=log_format,
tau=tau,
rex=regex,
keep_para=keep_para)
parser.parse(log_file)
def parser(input_dir, output_dir, log_file, log_format, type='drain'):
if type == 'spell':
tau = 0.5 # Message type threshold (default: 0.5)
regex = [
"(/[-\w]+)+", #replace file path with *
"(?<=blk_)[-\d]+" #replace block_id with *
] # Regular expression list for optional preprocessing (default: [])
parser = Spell.LogParser(indir=input_dir,
outdir=output_dir,
log_format=log_format,
tau=tau,
rex=regex,
keep_para=False)
parser.parse(log_file)
elif type == 'drain':
regex = [
r"(?<=blk_)[-\d]+", # block_id
r'\d+\.\d+\.\d+\.\d+', # IP
r"(/[-\w]+)+", # file path
#r'(?<=[^A-Za-z0-9])(\-?\+?\d+)(?=[^A-Za-z0-9])|[0-9]+$', # Numbers
]
# the hyper parameter is set according to http://jmzhu.logpai.com/pub/pjhe_icws2017.pdf
st = 0.5 # Similarity threshold
depth = 5 # Depth of all leaf nodes
parser = Drain.LogParser(log_format,
indir=input_dir,
outdir=output_dir,
depth=depth,
st=st,
rex=regex,
keep_para=False)
parser.parse(log_file)
def parse_log(input_dir, output_dir, log_file, parser_type):
log_format = '<Label> <Id> <Date> <Code1> <Time> <Code2> <Component1> <Component2> <Level> <Content>'
regex = [
r'(0x)[0-9a-fA-F]+', #hexadecimal
r'\d+.\d+.\d+.\d+',
# r'/\w+( )$'
r'\d+'
]
keep_para = False
if parser_type == "drain":
# the hyper parameter is set according to http://jmzhu.logpai.com/pub/pjhe_icws2017.pdf
st = 0.3 # Similarity threshold
depth = 3 # Depth of all leaf nodes
parser = Drain.LogParser(log_format,
indir=input_dir,
outdir=output_dir,
depth=depth,
st=st,
rex=regex,
keep_para=keep_para)
parser.parse(log_file)
elif parser_type == "spell":
tau = 0.55
parser = Spell.LogParser(indir=data_dir,
outdir=output_dir,
log_format=log_format,
tau=tau,
rex=regex,
keep_para=keep_para)
parser.parse(log_file)
def run_drain(input_dir, output_dir, log_file):
log_format = '<Time>\t<Level>\t:<Content>' # HDFS log format
# Regular expression list for optional preprocessing (default: [])
st = 0.5 # Similarity threshold
depth = 4 # Depth of all leaf nodes
parser = Drain.LogParser(log_format,
indir=input_dir,
outdir=output_dir,
depth=depth,
st=st)
parser.parse(log_file)
input_dir_list = [
'../logs/dropt/advisor/advisor.log',
'../logs/dropt/service_kernel_logs/tomcat.log'
] # The input directory of log file
print("path:", os.path.split(input_dir_list[curIndex]))
input_dir, log_file = os.path.split(input_dir_list[curIndex])
#log_file = 'advisor.log' # The input log file name
copyfile(input_dir_list[curIndex], output_dir + log_file)
log_format_list = [
'<Date> <Time> <Level> <dash> <Content>',
'<Date> <Time> <Level> <dash> <usr> <prj> <Content>'
] # HDFS log format
log_format = log_format_list[curIndex]
# Regular expression list for optional preprocessing (default: [])
regex = [
r'(/|)([0-9]+\.){3}[0-9]+(:[0-9]+|)(:|)', # IP
r'(?<=[^A-Za-z0-9])(\-?\+?\d+)(?=[^A-Za-z0-9])|[0-9]+$' # Numbers
]
st = 0.5 # Similarity threshold
depth = 4 # Depth of all leaf nodes
parser = Drain.LogParser(log_format,
indir=input_dir,
outdir=output_dir,
depth=depth,
st=st,
rex=regex,
keep_para=False)
parser.parse(log_file)
#!/usr/bin/env python
import sys
sys.path.append('../')
from logparser import Drain
resume_training = True
input_dir = '../logs/HDFS/' # The input directory of log file
output_dir = 'Drain_result/' # The output directory of parsing results
history = "history"
log_file = 'HDFS_1k_1.log' # The input log file name
log_format = '<Date> <Time> <Pid> <Level> <Component>: <Content>' # HDFS log format
# Regular expression list for optional preprocessing (default: [])
regex = [
r'blk_(|-)[0-9]+' , # block id
r'(/|)([0-9]+\.){3}[0-9]+(:[0-9]+|)(:|)', # IP
r'(?<=[^A-Za-z0-9])(\-?\+?\d+)(?=[^A-Za-z0-9])|[0-9]+$', # Numbers
]
st = 0.5 # Similarity threshold
depth = 4 # Depth of all leaf nodes
parser = Drain.LogParser(log_format, indir=input_dir, outdir=output_dir, depth=depth, st=st, rex=regex, resume_training=resume_training, history=history)
parser.parse(log_file)
'<Month> <Date> <Time> <User> <Component>\[<PID>\]( \(<Address>\))?: <Content>',
'regex': [r'([\w-]+\.){2,}[\w-]+'],
'st': 0.7,
'depth': 6
},
}
bechmark_result = []
for dataset, setting in benchmark_settings.iteritems():
print('\n=== Evaluation on %s ===' % dataset)
indir = os.path.join(input_dir, os.path.dirname(setting['log_file']))
log_file = os.path.basename(setting['log_file'])
parser = Drain.LogParser(log_format=setting['log_format'],
indir=indir,
outdir=output_dir,
rex=setting['regex'],
depth=setting['depth'],
st=setting['st'])
parser.parse(log_file)
F1_measure, accuracy = evaluator.evaluate(
groundtruth=os.path.join(indir, log_file + '_structured.csv'),
parsedresult=os.path.join(output_dir, log_file + '_structured.csv'))
bechmark_result.append([dataset, F1_measure, accuracy])
print('\n=== Overall evaluation results ===')
df_result = pd.DataFrame(bechmark_result,
columns=['Dataset', 'F1_measure', 'Accuracy'])
df_result.set_index('Dataset', inplace=True)
print(df_result)
df_result.T.to_csv('Drain_bechmark_result.csv')
import time
from logparser import evaluator
from benchmark.Drain_benchmark import benchmark_settings
from logparser import Drain
output_dir = 'Drain_result/' # The output directory of parsing results
one_setting = benchmark_settings['Android']
log_file = os.path.basename(one_setting['log_file'])
input_dir = os.path.join('../logs/', os.path.dirname(one_setting['log_file']))
parser = Drain.LogParser(
log_format=one_setting['log_format'],
indir=input_dir,
outdir=output_dir,
depth=one_setting['depth'],
st=one_setting['st'],
rex=one_setting['regex'],
keep_para=False
)
start = time.perf_counter()
# time_elapsed = parser.parse(log_file)
time_elapsed = parser.parse('Android_5m.log')
end = time.perf_counter()
# F1_measure, accuracy = evaluator.evaluate(
# groundtruth=os.path.join(input_dir, log_file + '_structured.csv'),
# parsedresult=os.path.join(output_dir, log_file + '_structured.csv'),
# )
def call_logParser(n, in_dir, out_dir, dep, st_v, rex_v): parser = Drain.LogParser(log_formats[n], indir=in_dir, outdir=out_dir, depth=dep, st=st_v, rex=rex_v) parser.parse(log_files[n])
def execute(
directory='/Users/haraldott/Development/thesis/detector/data/openstack/sasho/raw/sorted_per_request/',
file='combined',
output='/Users/haraldott/Development/thesis/detector/data/openstack/utah/parsed/combined',
logtype='OpenStackSasho',
st=0.4,
depth=2,
full_output=False):
settings = {
'HDFS': {
'log_format': '<Date> <Time> <Pid> <Level> <Component>: <Content>',
'regex': [r'blk_-?\d+', r'(\d+\.){3}\d+(:\d+)?'],
'st': 0.5,
'depth': 4
},
'OpenStack': {
'log_format':
'<Logrecord> <Date> <Time> <Pid> <Level> <Component> \[<ADDR>\] <Content>',
'regex': [
r'((\d+\.){3}\d+,?)+', r'/.+?\s', r'\d+', r'\[.*?\]',
r'\[.*\]', r'\[.*\] \[.*\]',
r'(/|)([0-9]+\.){3}[0-9]+(:[0-9]+|)(:|)',
r'(?<=[^A-Za-z0-9])(\-?\+?\d+)(?=[^A-Za-z0-9])|[0-9]+$',
r'\(\/.*\)'
],
'st':
0.2,
'depth':
2
},
'OpenStackSasho': {
'log_format':
'<_id>,<_index>,<_score>,<_type>,<Hostname>,<user_id>,<project_domain>,<Timestamp>,<timestamp>,<log_level>,<Pid>,<Content>,<tenant_id>,<programname>,<request_id>,<python_module>,<Logger>,<user_domain>,<domain_id>,<http_status>,<http_method>,<http_version>,<http_url>,<chunk>,<next_retry_seconds>,<error>,<retry_time>,<message>,<chunk_id>,<worker>',
'regex': [
r'((\d+\.){3}\d+,?)+', r'/.+?\s', r'\d+', r'\[.*?\]',
r'\[.*\]', r'\[.*\] \[.*\]',
r'(/|)([0-9]+\.){3}[0-9]+(:[0-9]+|)(:|)',
r'(?<=[^A-Za-z0-9])(\-?\+?\d+)(?=[^A-Za-z0-9])|[0-9]+$',
r'\(\/.*\)'
],
'st':
0.2,
'depth':
2
},
}
try:
log_format = settings[logtype]["log_format"]
regex = settings[logtype]["regex"]
# depth = settings[log_type]["depth"]
# st = settings[log_type]["st"]
except ValueError:
print("log format does not exist")
raise
parser = Drain.LogParser(log_format,
indir=directory,
outdir=output,
depth=depth,
st=st,
rex=regex)
parser.parse(file, full_output)
def zip_file(filepath,
outdir,
log_format,
template_file="",
n_workers=2,
level=3,
lossy=False,
top_event=2000,
kernel="gz",
compress_single=False,
report_file="./report.csv"):
time_start = time.time()
# new tmp dirs
logname = os.path.basename(filepath)
timemark = time.strftime('%Y%m%d-%H%M%S', time.localtime(time.time()))
tmp_dir = os.path.join(outdir, logname + "_tmp_" + timemark)
print("Tmp files are in {}".format(tmp_dir))
if os.path.isdir(tmp_dir):
shutil.rmtree(tmp_dir)
if not os.path.isdir(tmp_dir):
os.makedirs(tmp_dir)
if not template_file:
"""
0. sampling
"""
line_num = subprocess.check_output("wc -l {}".format(filepath),
shell=True)
line_num = int(line_num.split()[0])
sample_num = 50000
sample_file_path = filepath + ".sample"
try:
subprocess.check_output("gshuf -n{} {} > {}".format(
sample_num, filepath, sample_file_path),
shell=True)
except:
subprocess.check_output("shuf -n{} {} > {}".format(
sample_num, filepath, sample_file_path),
shell=True)
"""
1. get template file
"""
st = 0.5 # Similarity threshold
depth = 4 # Depth of all leaf nodes
regex = [
r'blk_(|-)[0-9]+', # block id
r'(/|)([0-9]+\.){3}[0-9]+(:[0-9]+|)(:|)', # IP
r'(?<=[^A-Za-z0-9])(\-?\+?\d+)(?=[^A-Za-z0-9])|[0-9]+$', # Numbers
]
parse_begin_time = time.time()
parser = Drain.LogParser(log_format,
outdir=tmp_dir,
depth=depth,
st=st,
rex=regex)
templates = parser.parse(sample_file_path)
os.remove(sample_file_path)
parse_end_time = time.time()
template_file = os.path.join(tmp_dir, "log_templates.csv")
with open(template_file, "w") as fw:
[fw.write(item + "\n") for item in templates]
print("Parser cost [{:.3f}s]".format(parse_end_time -
parse_begin_time))
# split files
kb_per_chunk = int(get_FileSize(filepath) // n_workers) + 1
cmd = "split -b {}k {} {}".format(kb_per_chunk, filepath,
os.path.join(tmp_dir, f"{logname}_"))
subprocess.call(cmd, stderr=subprocess.STDOUT, shell=True)
# run subprocesses
processes = []
for idx, file in enumerate(
sorted(glob.glob(os.path.join(tmp_dir, f"{logname}_*")))):
script_path = os.path.join(os.path.dirname(os.path.abspath(__file__)),
"zipper_longgest.py")
per_tmp_dir = os.path.join(tmp_dir, str(idx))
cmd = ('python {} --file {} --log_format "{}" --level {} --lossy {} --template_file {}'+ \
' --tmp_dir {} --out_dir {} --compress_single {} --n_workers {}') \
.format(script_path, file, log_format, level, lossy, template_file,
per_tmp_dir, per_tmp_dir,
compress_single, n_workers)
print(cmd)
processes.append(
subprocess.Popen(cmd, stderr=subprocess.STDOUT, shell=True))
[p.wait() for p in processes]
compressed_size = 0
for idx in range(len(processes)):
sub_outfile = glob.glob(os.path.join(tmp_dir, str(idx), "*logzip*"))[0]
dst = os.path.join(
outdir,
os.path.basename(sub_outfile) + f".{idx+1}of{len(processes)}")
shutil.move(sub_outfile, dst)
compressed_size += get_FileSize(dst, "mb")
[
os.remove(chunk)
for chunk in glob.glob(os.path.join(tmp_dir, f"{logname}_*"))
]
original_size = get_FileSize(filepath, "mb")
compress_ratio = round(original_size / compressed_size, 2)
time_end = time.time()
total_time_taken = time_end - time_start
firstline = True
if os.path.isfile(report_file):
firstline = False
with open(report_file, "a+") as fw:
if firstline:
fw.write(
"timemark,logname,original_size,compressed_size,compress_ratio,time_taken,n_workers,compress_single\n"
)
fw.write(
f"{timemark},{logname},{original_size},{compressed_size},{compress_ratio},{total_time_taken},{n_workers},{compress_single}\n"
)
