def test_fix_asa(self, mock_call):
self._touch_files()
# For the ASA the protocols get fixed
flow_line = ('198.22.253.72,192.168.207.199,80,61391,6,'
'58,1,1459535021,1459535021\n')
fixable_line = ('192.168.207.199,198.22.253.72,61391,80,0,'
'59,2,1459535022,1459535022\n')
fixed_line = ('192.168.207.199,198.22.253.72,61391,80,6,'
'59,2,1459535022,1459535022\n')
unfixable_line = ('192.168.207.200,198.22.253.72,61391,80,0,'
'59,2,1459535022,1459535022\n')
def side_effect(*args, **kwargs):
if 'rwuniq' not in args[0][0]:
return 0
with io.open(args[0][14], 'wt') as f:
f.write(flow_line)
f.write(fixable_line)
f.write(unfixable_line)
return 0
mock_call.side_effect = side_effect
env_override = {'OBSRVBL_IPFIX_PROBE_1_SOURCE': 'asa'}
with patch.dict('ona_service.ipfix_pusher.environ', env_override):
inst = self._get_instance(IPFIXPusher)
input_paths = [join(self.input_dir, x) for x in self.ready[0:1]]
inst._process_files(input_paths)
with gz_open(input_paths[0], 'rt') as infile:
lines = infile.readlines()
self.assertEqual(lines[0], CSV_HEADER + '\n')
self.assertEqual(lines[1], flow_line)
self.assertEqual(lines[2], fixed_line)
self.assertEqual(lines[3], unfixable_line)
def test_fix_sonicwall(self, mock_call):
self._touch_files()
# For SonicWALL the timestamps get replaced
flow_line = ('198.22.253.72,192.168.207.199,80,61391,6,'
'58,1,1459535021,1459535021\n')
altered_line = ('198.22.253.72,192.168.207.199,80,61391,6,'
'58,1,1395669540,1395669540\n')
def side_effect(*args, **kwargs):
if 'rwuniq' not in args[0][0]:
return 0
with io.open(args[0][14], 'wt') as f:
f.write(flow_line)
return 0
mock_call.side_effect = side_effect
env_override = {'OBSRVBL_IPFIX_PROBE_1_SOURCE': 'sonicwall'}
with patch.dict('ona_service.ipfix_pusher.environ', env_override):
inst = self._get_instance(IPFIXPusher)
input_paths = [join(self.input_dir, x) for x in self.ready[1:2]]
inst._process_files(input_paths)
with gz_open(input_paths[0], 'rt') as infile:
lines = infile.readlines()
self.assertEqual(lines[0], CSV_HEADER + '\n')
self.assertEqual(lines[1], altered_line)
def extract_gz(file: str, path: str) -> str:
outfile = os_path.join(path, os_path.basename(file[:-3]))
makedirs(path, exist_ok=True)
with gz_open(file, 'rb') as f_in:
with open(outfile, 'wb') as f_out:
copyfileobj(f_in, f_out)
return outfile
def download_file(self, name):
"""Download file from GitHub archive.
:param name: name of GitHub archive in format YYYY-MM-DD-h
:return: name of JSON file with data if downloading was successful else None
"""
#TODO: handle exceptions
archive_name = name + ".json.gz"
file_name = join(self.new_data_dir, name + ".json")
try:
urlretrieve("http://data.githubarchive.org/" + archive_name,
filename=join(self.downloaded_data_dir, archive_name))
except IOError:
self.logger.error(__name__ + ": " + "unable to download file (error creating connection).")
try:
archive = gz_open(join(self.downloaded_data_dir, archive_name))
except IOError:
self.logger.error(__name__ + ": " + "unable to open gzipped file (file not created).")
else:
json_file = open(file_name, "w")
json_file.write(archive.read())
archive.close()
json_file.close()
remove(join(self.downloaded_data_dir, archive_name))
return file_name
def _read_file(self, key):
resp = self.boto_client.get_object(Bucket=self.bucket, Key=key)
with gz_open(resp['Body'], mode='rt') as gz_f:
reader = DictReader(gz_f, delimiter=' ')
reader.fieldnames = [
f.replace('-', '_') for f in reader.fieldnames
]
yield from reader
def download(url, file_path):
r = get(url, stream=True)
with open(file_path, 'wb') as fd:
for chunk in r.iter_content(chunk_size=1024):
fd.write(chunk)
mrc_path = file_path.replace('.gz', '.mrc')
with gz_open(file_path, 'rb') as f_in:
with open(mrc_path, 'wb') as f_out:
copyfileobj(f_in, f_out)
remove(file_path)
def _read_file(self, key):
resp = self.boto_client.get_object(Bucket=self.bucket, Key=key)
with gz_open(resp['Body'], mode='rt') as gz_f:
reader = DictReader(gz_f, delimiter=' ')
reader.fieldnames = [
f.replace('-', '_') for f in reader.fieldnames
]
yield from reader
with THREAD_LOCK:
self.bytes_processed += gz_f.tell()
self.compressed_bytes_processed += resp['ContentLength']
def load_data_frame(file_path: str) -> DataFrame:
logger.info("Reading file `%s`", file_path)
if file_path.endswith(".csv.gz"):
with gz_open(file_path) as file:
return read_csv(file)
elif file_path.endswith(".csv"):
return read_csv(file_path)
elif file_path.endswith(".gitkeep"):
return DataFrame()
raise RuntimeError(f"Unrecognizable file type: {file_path}")
def _process_files(self, file_list):
for file_path in file_list:
file_dir, file_name = split(file_path)
temp_path = join(file_dir, '{}.tmp'.format(file_name))
copy(file_path, temp_path)
try:
all_rows = self._get_nvz_flows(temp_path)
with gz_open(file_path, 'wt') as outfile:
writer = DictWriter(outfile, CSV_HEADER)
writer.writeheader()
writer.writerows(all_rows)
finally:
remove(temp_path)
def rotate(self):
log_file = self.log_file
# We save in a file ?
if log_file is None:
return False
# Save the current log
# XXX In a multithreads context, we must add a lock here
new_name = log_file + '.' + strftime('%Y-%m-%d_%H%M')
# We don't delete an existing file
if exists(new_name + '.gz'):
# If here, interval < 1min
return self.rotate_interval
# Yet a log file ?
if exists(log_file):
# Yes, we move it
move(log_file, new_name)
else:
# No, we create an empty one
open(new_name, 'w').close()
# Compress it
f_in = open(new_name, 'rb')
f_out = gz_open(new_name + '.gz', 'wb')
f_out.writelines(f_in)
f_out.close()
f_in.close()
remove(new_name)
# Suppress the old files
files = []
n2 = '[0-9][0-9]'
date_pattern = n2 + n2 + '-' + n2 + '-' + n2 + '_' + n2 + n2
for name in glob(log_file + '.' + date_pattern + '.gz'):
try:
date = datetime.strptime(name[-18:-3], '%Y-%m-%d_%H%M')
except ValueError:
continue
files.append((date, name))
files.sort(reverse=True)
for a_file in files[LOG_FILES_NUMBER:]:
remove(a_file[1])
# We return always True to be "cron" compliant
return self.rotate_interval
def rotate(self):
log_file = self.log_file
# We save in a file ?
if log_file is None:
return False
# Save the current log
# XXX In a multithreads context, we must add a lock here
new_name = log_file + '.' + strftime('%Y-%m-%d_%H%M')
# We don't delete an existing file
if exists(new_name + '.gz'):
# If here, interval < 1min
return self.rotate_interval
# Yet a log file ?
if exists(log_file):
# Yes, we move it
move(log_file, new_name)
else:
# No, we create an empty one
open(new_name, 'w').close()
# Compress it
f_in = open(new_name, 'rb')
f_out = gz_open(new_name + '.gz', 'wb')
f_out.writelines(f_in)
f_out.close()
f_in.close()
remove(new_name)
# Suppress the old files
files = []
n2 = '[0-9][0-9]'
date_pattern = n2 + n2 + '-' + n2 + '-' + n2 + '_' + n2 + n2
for name in glob(log_file + '.' + date_pattern + '.gz'):
try:
date = datetime.strptime(name[-18:-3], '%Y-%m-%d_%H%M')
except ValueError:
continue
files.append( (date, name) )
files.sort(reverse=True)
for a_file in files[LOG_FILES_NUMBER:]:
remove(a_file[1])
# We return always True to be "cron" compliant
return self.rotate_interval
def _check_point_to_csv(self, send_segment, now):
# Writes files to the "input" directory so the pusher will find them,
# archive them, and send them out.
# The input directory may not have been created yet
create_dirs(self.input_dir)
segment_data = self.log_node.parsed_data.pop(send_segment, [])
if not segment_data:
return
file_name = '{}_{}.csv.gz'.format(send_segment.strftime(self.file_fmt),
now.strftime(self.file_fmt))
file_path = join(self.input_dir, file_name)
with gz_open(file_path, 'wt') as outfile:
writer = DictWriter(outfile, CSV_HEADER)
writer.writeheader()
writer.writerows(self._format_item(x) for x in segment_data)
def test_fix_meraki(self, mock_call):
self._touch_files()
# Intermediate report - will get subsumed by the next line
flow_line_1 = ('198.22.253.72,192.168.207.199,80,61391,6,'
'58,1,1459535021,1459535021\n')
# Final report before reset - this will show up in the output
flow_line_2 = ('198.22.253.72,192.168.207.199,80,61391,6,'
'158,1,1459535021,1459535021\n')
# After the reset - this won't show up
flow_line_3 = ('198.22.253.72,192.168.207.199,80,61391,6,'
'157,1,1459535021,1459535021\n')
# This one shows up because it's the last report
flow_line_4 = ('198.22.253.72,192.168.207.199,80,61391,6,'
'159,1,1459535021,1459535021\n')
altered_line_1 = ('192.168.207.199,198.22.253.72,61391,80,6,'
'158,1,1395669540,1395669540\n')
altered_line_2 = ('192.168.207.199,198.22.253.72,61391,80,6,'
'159,1,1395669540,1395669540\n')
def side_effect(*args, **kwargs):
if 'rwcut' not in args[0][0]:
return 0
with io.open(args[0][11], 'wt') as f:
f.write(flow_line_1)
f.write(flow_line_2)
f.write(flow_line_3)
f.write(flow_line_4)
return 0
mock_call.side_effect = side_effect
env_override = {'OBSRVBL_IPFIX_PROBE_1_SOURCE': 'meraki'}
with patch.dict('ona_service.ipfix_pusher.environ', env_override):
inst = self._get_instance(IPFIXPusher)
input_paths = [join(self.input_dir, x) for x in self.ready[1:2]]
inst._process_files(input_paths)
with gz_open(input_paths[0], 'rt') as infile:
lines = infile.readlines()
self.assertEqual(len(lines), 1 + 2) # Header + Rows
self.assertEqual(lines[0], CSV_HEADER + '\n')
self.assertEqual(lines[1], altered_line_1)
self.assertEqual(lines[2], altered_line_2)
def _read_file(self, key):
resp = self.boto_client.get_object(Bucket=self.bucket, Key=key)
if key.endswith('.parquet'):
body = resp['Body'].read()
reader = parquet_dict_reader(io.BytesIO(body))
yield from reader
with THREAD_LOCK:
self.bytes_processed += len(body)
self.compressed_bytes_processed += resp['ContentLength']
else:
with gz_open(resp['Body'], mode='rt') as gz_f:
reader = csv_dict_reader(gz_f, delimiter=' ')
reader.fieldnames = [
f.replace('-', '_') for f in reader.fieldnames
]
yield from reader
with THREAD_LOCK:
self.bytes_processed += gz_f.tell()
self.compressed_bytes_processed += resp['ContentLength']
def compress_gz(inFile: str, outFile: str = '', delete: bool = False) -> str:
"""
Compress 'inFile' into gzip format.
Parameters:
inFile -- file to compress
outFile -- (Optional) path of compressed file (default: ""), otherwise file is compressed in place
delete -- (Optional) the original path is deleted after compression (default: False)
Returns:
The archive filename
"""
if not outFile:
outFile = inFile + '.gz'
with open(inFile, 'rb') as f_in, gz_open(outFile, 'wb') as f_out:
f_out.writelines(f_in)
if delete:
remove(inFile)
return outFile
def main():
# fr_type = {}
# fr_type['fasta'] = read_fasta
# fr_type['fastq'] = read_fastq
# sequence_read_fp = sys.argv[1]
sequence_read_fp = args['input']
fw = open(args["output"],'w')
if sequence_read_fp.endswith('.gz'):
sequence_read_f = gz_open(sequence_read_fp, 'rb')
else:
sequence_read_f = open(sequence_read_fp, 'U')
if args['file_type'] == 'fastq':
for seq_name, seq_base ,seq_qual in read_fastq(sequence_read_f):
# print "%s\n%s\n%s" %(seq_name,seq_base,seq_qual)
fw.write("%s\n%s\n%s" %(seq_name,seq_base,seq_qual)+"\n")
if args['file_type'] == 'fasta':
for seq_name, seq_base in read_fasta(sequence_read_f):
# print ">%s\n%s" %(seq_name,seq_base)
fw.write(">%s\n%s" %(seq_name,seq_base)+"\n")
sequence_read_f.close()
fw.close()
def test_csv_header(self, mock_call):
self._touch_files()
flow_line = ('198.22.253.72,192.168.207.199,80,61391,6,'
'58,1,1459535021,1459535021\n')
def side_effect(*args, **kwargs):
if 'rwuniq' not in args[0][0]:
return 0
with io.open(args[0][14], 'wt') as f:
f.write(flow_line)
return 0
mock_call.side_effect = side_effect
inst = self._get_instance(IPFIXPusher)
input_paths = [join(self.input_dir, x) for x in self.ready[0:1]]
inst._process_files(input_paths)
with gz_open(input_paths[0], 'rt') as infile:
lines = infile.readlines()
self.assertEqual(lines[0], CSV_HEADER + '\n')
self.assertEqual(lines[1], flow_line)
def test_process_files(self):
# Write some test data
file_path = join(self.input_dir, 'nvzflow.log')
with io.open(file_path, 'wt') as f:
for line in LOG_DATA:
print(json.dumps(line).decode('utf-8'), file=f)
# Process it
inst = self._get_instance(NVZFlowPusher)
inst._process_files([file_path])
# It should have turned from JSON-object-per-line to CSV with header
with gz_open(file_path, 'rt') as f:
actual = f.read()
expected = ('srcaddr,dstaddr,srcport,dstport,protocol,'
'bytes_in,bytes_out,start,end\r\n'
'2001:db8::8e18,2001:db8::100a,58572,53,17,'
'0,0,1522955857,1522955857\r\n'
'192.0.2.29,198.51.100.50,56209,443,6,'
'5113,639,1522955826,1522955857\r\n'
'0.0.0.0,198.51.100.50,0,443,6,'
'0,0,1522955857,1522955857\r\n')
self.assertEqual(actual, expected)
def load_and_preprocess_data(data_set=mystery,
word_embedding_path='word2vec.pkl.gz',
las=True, max_batch_size=2048,
transition_cache=None, seed=1234):
"""Get train/test data
See TrainingIterable for description of args
Returns:
a tuple of
- a Transducer object
- a word embedding matrix
- a training data iterable
- an iterable over dev sentences
- an iterable over dev dependencies (arcs)
- an iterable over test sentences
- an iterable over test dependencies (arcs)
"""
print('Loading word embeddings...')
stdout.flush()
if word_embedding_path.endswith('.gz'):
with gz_open(word_embedding_path, 'rb') as file_obj:
word_list, word_embeddings = load(file_obj)
else:
with open(word_embedding_path, 'rb') as file_obj:
word_list, word_embeddings = load(file_obj)
# add null embedding (we'll initialize later)
word_embeddings = np.append(
word_embeddings,
np.empty((1, word_embeddings.shape[1]), dtype=np.float32),
axis=0
)
print('There are {} word embeddings.'.format(word_embeddings.shape[0]))
print('Getting training sentences...')
stdout.flush()
training_graphs = data_set.parsed_sents('train.conll')
metadata_path = Path(data_set.root.path) / 'meta.pkl'
trn_sent, trn_ex = load_metadata(metadata_path)
tag_set, deprel_set = set(), set()
with tqdm(total=trn_sent or None, leave=False, unit='sent') as progbar:
for graph in training_graphs:
for node in graph.nodes.values():
if node['address']: # not root
tag_set.add(node['ctag'])
deprel_set.add(node['rel'])
progbar.update()
tag_list = sorted(tag_set)
if las:
deprel_list = sorted(deprel_set)
status = 'There are {} tags and {} deprel labels'
status = status.format(len(tag_list), len(deprel_list))
else:
deprel_list = []
status = 'There are {} tags'
status = status.format(len(tag_list))
transducer = Transducer(word_list, tag_list, deprel_list)
training_data = TrainingIterable(training_graphs, transducer, seed=seed,
max_batch_size=max_batch_size, las=las,
transition_cache=transition_cache,
n_ex=trn_ex)
# use training's rng to initialize null embedding
word_embeddings[-1] = training_data.rng.uniform(-.01, .01, 50)
print(status,
'from {} training sentences.'.format(training_data.graphs_len))
save_metadata(metadata_path, len(training_graphs), len(training_data))
print('Getting dev sentences...')
stdout.flush()
dev_sentences = data_set.tagged_sents('dev.conll')
dev_arcs = tuple(list(transducer.graph2arc(graph, include_deprel=las))
for graph in tqdm(data_set.parsed_sents('dev.conll'),
leave=False, unit='sent')
)
print('There are {} dev sentences.'.format(len(dev_arcs)))
print('Getting test sentences...')
stdout.flush()
test_sentences = data_set.tagged_sents('test.conll')
test_arcs = tuple(list(transducer.graph2arc(graph, include_deprel=las))
for graph in tqdm(data_set.parsed_sents('test.conll'),
leave=False, unit='sent')
)
print('There are {} test sentences.'.format(len(test_arcs)))
return (transducer, word_embeddings, training_data, dev_sentences,
dev_arcs, test_sentences, test_arcs)
def load_and_preprocess_data(data_set=ud_english,
word_embedding_path='word2vec.pkl.gz',
las=True,
max_batch_size=2048,
transition_cache=None,
seed=1234):
'''Get train/test data
See TrainingIterable for description of args
Returns:
a tuple of
- a Transducer object
- a word embedding matrix
- a training data iterable
- an iterable over dev sentences
- an iterable over dev dependencies (arcs)
- an iterable over test sentences
- an iterable over test dependencies (arcs)
'''
print('Loading word embeddings...', end='')
stdout.flush()
if word_embedding_path.endswith('.gz'):
with gz_open(word_embedding_path, 'rb') as file_obj:
word_list, word_embeddings = load(file_obj)
else:
with open(word_embedding_path, 'rb') as file_obj:
word_list, word_embeddings = load(file_obj)
# add null embedding (we'll initialize later)
word_embeddings = np.append(word_embeddings,
np.empty((1, word_embeddings.shape[1]),
dtype=np.float32),
axis=0)
print('there are {} word embeddings.'.format(word_embeddings.shape[0]))
print('Determining POS tags...', end='')
stdout.flush()
tag_set = set()
for sentence in data_set.tagged_sents('train.conll'):
for _, tag in sentence:
tag_set.add(tag)
tag_list = sorted(tag_set)
print('there are {} tags.'.format(len(tag_list)))
training_graphs = data_set.parsed_sents('train.conll')
if las:
print('Determining deprel labels...', end='')
stdout.flush()
deprel_set = set()
for graph in training_graphs:
for node in graph.nodes.values():
if node['address']: # not root
deprel_set.add(node['rel'])
deprel_list = sorted(deprel_set)
print('there are {} deprel labels.'.format(len(deprel_list)))
else:
deprel_list = []
transducer = Transducer(word_list, tag_list, deprel_list)
print('Getting training data...', end='')
stdout.flush()
training_data = TrainingIterable(
training_graphs,
transducer,
max_batch_size=max_batch_size,
las=las,
transition_cache=transition_cache,
seed=seed,
)
# use training's rng to initialize null embedding
word_embeddings[-1] = training_data.rng.uniform(-.01, .01, 50)
print('there are {} samples.'.format(len(training_data)))
print('Getting dev data...', end='')
stdout.flush()
dev_sentences = data_set.tagged_sents('dev.conll')
dev_arcs = tuple(
list(transducer.graph2arc(graph, include_deprel=las))
for graph in data_set.parsed_sents('dev.conll'))
print('there are {} samples.'.format(len(dev_arcs)))
print('Getting test data...', end='')
stdout.flush()
test_sentences = data_set.tagged_sents('test.conll')
test_arcs = tuple(
list(transducer.graph2arc(graph, include_deprel=las))
for graph in data_set.parsed_sents('test.conll'))
print('there are {} samples.'.format(len(test_arcs)))
return (transducer, word_embeddings, training_data, dev_sentences,
dev_arcs, test_sentences, test_arcs)
def extract_gz_to_string(filename: str) -> str:
gz = gz_open(filename, mode='rb')
return gz.read().decode()
def deserialize(filename):
with gz_open(filename, 'rb') as f:
return load(f)
def serialize(obj, filename):
with gz_open(filename, 'wb') as f:
dump(obj, f, HIGHEST_PROTOCOL)
