initial upload

This commit is contained in:
2017-11-11 22:55:51 +03:00
commit a93d7b1dca
2 changed files with 61 additions and 0 deletions

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anomaly.py Normal file
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import numpy as np
def is_anomaly(result):
data = [item["value"] for name in result for item in result[name]]
x = np.array(data)
for name in result:
for item in result[name]:
item["anomaly"] = item["value"] > x.mean() + 3 * x.std()

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main.py Normal file
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import csv
import datetime
import time
import MySQLdb
from anomaly import is_anomaly
result = {}
with open('raw_data.csv', 'rt', encoding="UTF-8") as csvfile:
reader = csv.reader(csvfile, quotechar='"')
for row in reader:
if (row[3])[:1] == "5":
timestamp = time.mktime(datetime.datetime.strptime(row[0], "%Y-%m-%d %H:%M:%S,%f").timetuple())
name = row[1] + "*" + row[2]
if name not in result:
result[name] = []
result[name].append({"time": timestamp, "value": 1})
else:
for item in result[name]:
if abs(timestamp - item["time"]) < 7.5 * 60:
item["value"] += 1
break
else:
result[name].append({"time": timestamp, "value": 1})
is_anomaly(result)
print(result)
try:
connection = MySQLdb.connect(host="127.0.0.1", user="user1", passwd="testserver", db="mydb")
cursor = connection.cursor()
cursor.execute("CREATE TABLE result ( timeframe_start TIMESTAMP, api_name TEXT, http_method TEXT, \
count_http_code_5xx INT, is_anomaly TINYINT(1) )")
for name in result:
for item in result[name]:
cursor.execute("INSERT INTO result (timeframe_start, api_name, http_method, count_http_code_5xx, is_anomaly)"
"VALUES (\"{0}\", \"{1}\", \"{2}\", {3}, {4})"
.format(str(datetime.datetime.fromtimestamp(item["time"]).strftime("%Y-%m-%d %H:%M:%S")),
name.split("*")[0], name[(name.find("*")+1):], item["value"], item["anomaly"]))
connection.commit()
cursor.close()
connection.close()
except MySQLdb.Error as err:
print("Connection error: {}".format(err))