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@ -1,275 +1,113 @@
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"""
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This program is designed to inspect an application environment
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This program should only be run on unix friendly systems
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Steve L. Nyemba <steve@the-phi.com>
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The Phi Technology - Smart Top
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We enable the engines to be able to run a several configurations
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Similarly to what a visitor design-pattern would do
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This program is the core for evaluating folders and applications. Each class is specialized to generate a report in a pandas data-frame
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The classes will focus on Apps, Folders and Protocols
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- SmartTop.get(**args)
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@TODO:
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Protocols (will be used in anomaly detection)
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"""
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from __future__ import division
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import os
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import subprocess
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from sets import Set
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import re
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import datetime
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import urllib2 as http, base64
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from threading import Thread, RLock
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import time
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import numpy as np
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from utils.ml import ML
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import sys
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from scipy import stats
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import pandas as pd
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import datetime
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class SmartTop:
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def get(self,**args):
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return None
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class Analysis:
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class Apps(SmartTop) :
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def __init__(self):
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self.logs = []
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pass
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def post(self,object):
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self.logs.append(object)
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def init(self):
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d = datetime.datetime.now()
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self.now = {"month":d.month,"year":d.year, "day":d.day,"hour":d.hour,"minute":d.minute}
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def getNow(self):
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d = datetime.datetime.now()
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return {"month":d.month,"year":d.year, "day":d.day,"hour":d.hour,"minute":d.minute,"second":d.second}
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def getName(self):
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return self.__class__.__name__
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def reboot(self,row,conf) :
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return False
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def cleanup(self,text):
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return re.sub('[^a-zA-Z0-9\s:]',' ',str(text)).strip()
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"""
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This class will process a system command and parse the outpout accordingly given a parser
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@param parse is a parser pointer
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"""
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self.cmd = "ps -eo pid,user,pmem,pcpu,stat,etime,args|awk 'OFS=\";\" {$1=$1; if($5 > 9) print }'"
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self.xchar = ';'
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def get_app(self,stream):
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index = 1 if os.path.exists(" ".join(stream[:1])) else len(stream)-1
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"""
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This class is designed to analyze environment variables. Environment variables can either be folders, files or simple values
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The class returns a quantifiable assessment of the environment variables (expected 100%)
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"""
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class Env(Analysis):
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def __init__(self):
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Analysis.__init__(self)
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def init(self,values):
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#Analysis.init(self)
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self.values = values
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"""
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This function evaluate the validity of an environment variable by returning a 1 or 0 (computable)
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The function will use propositional logic (https://en.wikipedia.org/wiki/Propositional_calculus)
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"""
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def evaluate(self,id):
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cmd = " ".join(stream[:index]) if index > 0 else " ".join(stream)
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if id in os.environ :
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#
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# We can inspect to make sure the environment variable is not a path or filename.
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# Using propositional logic we proceed as follows:
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# - (p) We determine if the value is an folder or file name (using regex)
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# - (q) In case of a file or folder we check for existance
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# The final result is a conjuction of p and q
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#
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value = os.environ[id]
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expressions = [os.sep,'(\\.\w+)$']
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p = sum([ re.search(xchar,value) is not None for xchar in expressions])
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q = os.path.exists(value)
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return int(p and q)
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else:
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return 0
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def composite (self):
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#Analysis.init(self)
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r = [ self.evaluate(id) for id in self.values] ;
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N = len(r)
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n = sum(r)
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value = 100 * round(n/N,2)
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missing = [self.values[i] for i in range(0,N) if r[i] == 0]
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return dict(self.getNow(),**{"value":value,"missing":missing})
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"""
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This class is designed to handle analaysis of the a python virtual environment i.e deltas between requirments file and a virtualenv
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@TODO: update the virtual environment
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"""
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class Sandbox(Analysis):
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def __init__(self):
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Analysis.__init__(self)
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def init(self,conf):
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#Analysis.init(self)
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if os.path.exists(conf['sandbox']) :
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self.sandbox_path = conf['sandbox']
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else:
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self.sandbox_path = None
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if os.path.exists(conf['requirements']) :
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self.requirements_path = conf['requirements']
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if ' ' in cmd.split('/')[len(cmd.split('/'))-1] :
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p = cmd.split('/')[len(cmd.split('/'))-1].split(' ')
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name = p[0]
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args = " ".join(p[1:])
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else:
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self.requirements_path = None
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def get_requirements (self):
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f = open(self.requirements_path)
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return [ name.replace('-',' ').replace('_',' ') for name in f.read().split('\n') if name != '']
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"""
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This function will return the modules installed in the sandbox (virtual environment)
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"""
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def get_sandbox_requirements(self):
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cmd = ['freeze']
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xchar = ''.join([os.sep]*2)
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pip_vm = ''.join([self.sandbox_path,os.sep,'bin',os.sep,'pip']).replace(xchar,os.sep)
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cmd = [pip_vm]+cmd
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r = subprocess.check_output(cmd).split('\n')
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return [row.replace('-',' ').replace('_',' ') for row in r if row.strip() != '']
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def evaluate(self):
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pass
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def reboot(self,rows,limit=None) :
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return sum([ len(item['missing']) for item in rows ]) > 0
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"""
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This function returns the ratio of existing modules relative to the ones expected
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"""
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def composite(self):
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Analysis.init(self)
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if self.sandbox_path and self.requirements_path :
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required_modules= self.get_requirements()
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sandbox_modules = self.get_sandbox_requirements()
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N = len(required_modules)
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n = len(Set(required_modules) - Set(sandbox_modules))
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value = round(1 - (n/N),2)*100
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missing = list(Set(required_modules) - Set(sandbox_modules))
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name = cmd.split('/')[len(cmd.split('/'))-1]
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args = " ".join(stream[index:]) if index > 0 else ""
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return [name,cmd,args]
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def to_pandas(self,m):
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"""
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This function will convert the output of ps to a data-frame
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@param m raw matrix i.e list of values like a csv
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return dict(self.getNow(),**{"value":value,"missing":missing})
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else:
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return None
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"""
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This class performs the analysis of a list of processes and determines
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The class provides a quantifiable measure of how many processes it found over all
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"""
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class ProcessCounter(Analysis):
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def __init__(self):
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Analysis.__init__(self)
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def init(self,names):
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#Analysis.init(self)
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self.names = names
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def evaluate(self,name):
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cmd = "".join(['ps -eo comm |grep ',name,' |wc -l'])
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handler = subprocess.Popen(cmd,shell=True,stdout=subprocess.PIPE)
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return int(handler.communicate()[0].replace("\n","") )
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def composite(self):
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#Analysis.init(self)
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r = {}
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for name in self.names :
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r[name] = self.evaluate(name)
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"""
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m = [item for item in m if len(item) != len (m[0])]
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m = "\n".join(m[1:])
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df = pd.read_csv(pd.compat.StringIO(m),sep=self.xchar)
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df.columns =['pid','user','mem','cpu','status','started','name','cmd','args']
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return df
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def empty(self,name):
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return pd.DataFrame([{"pid":None,"user":None,"mem":0,"cpu":0,"status":"X","started":None,"name":name,"cmd":None,"args":None}])
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def parse(self,rows):
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m = []
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TIME_INDEX = 5
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ARGS_INDEX = 6
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#N = len(r)
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#n = sum(r)
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#return n/N
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return dict(self.getNow(),**r)
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"""
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This class returns an application's both memory and cpu usage
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"""
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class DetailProcess(Analysis):
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def __init__(self):
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Analysis.__init__(self)
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def init (self,names):
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#Analysis.init(self)
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self.names = names;
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def getName(self):
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return "apps"
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def split(self,name,stream):
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for item in rows :
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if rows.index(item) != 0 :
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parts = item.split(self.xchar)
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row = parts[:TIME_INDEX]
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row.append(' '.join(parts[TIME_INDEX:ARGS_INDEX]))
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row += self.get_app(parts[ARGS_INDEX:])
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else:
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row = item.split(self.xchar)
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row = (self.xchar.join(row)).strip()
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if len(row.replace(";","")) > 0 :
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m.append(row)
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pattern = "(\d+.{0,1}\d*)\x20*(\d+.{0,1}\d*)\x20*(\d+.{0,1}\d*)".replace(":name",name).strip()
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g = re.match(pattern,stream.strip())
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if g :
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return list(g.groups())+['1']+[name]
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else:
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return ''
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def reboot(self,rows,conf=None) :
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return np.sum([int(item['label']=='crash') for item in rows]) > 0
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def parse(self,row,fields):
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return m
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def get(self,**args):
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"""
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The last field should be the command in its integrity
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@pre len(fields) > len(row)
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This function returns a the output of a command to the calling code that is piped into the class
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The output will be stored in a data frame with columns
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@
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"""
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r = {}
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now = self.getNow()
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r['date'] = now
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row = [term for term in row.split() if term.strip() != '']
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for name in fields :
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index = fields.index(name)
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try:
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r[name] = row[index] if row else 0
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if name not in ['user','cmd','status','pid'] :
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r[name] = float(r[name])
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r[name] = row[index: ] if row else []
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#
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# Let's set the status give the data extracted
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#
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if r['status'] == 0 :
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r['status'] = 'crash'
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elif 'Z' in r['status'] :
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r['status'] = 'zombie'
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elif r['memory_usage'] > 0 and r['cpu_usage'] > 0:
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r['status'] = 'running'
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else:
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r['status'] = 'idle'
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return r
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def evaluate(self,name=None) :
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if name is None :
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name = ".*"
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fields = ["user","pid","memory_usage","cpu_usage","memory_available","status","cmd"]
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cmd = "ps -eo user,pid,pmem,pcpu,vsize,stat,command|grep -Ei \":app\"".replace(":app",name)
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handler = subprocess.Popen(cmd,shell=True,stdout=subprocess.PIPE)
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logs = handler.communicate()[0].split('\n')
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logs = [row for row in logs if (row.strip() != '') and ('grep -Ei' in row )== False ]
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if len(logs) == 0:
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return [dict(self.parse('',fields),**{'label':name}) ]
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else :
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return [dict(self.parse(row,fields),**{'label':name}) for row in logs if row.strip() != '' and 'grep' not in row and '-Ei' not in row]
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handler = subprocess.Popen(self.cmd,shell=True,stdout=subprocess.PIPE)
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stream = handler.communicate()[0]
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rows = stream.split('\n')
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df = self.to_pandas(self.parse(rows))
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r = pd.DataFrame()
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|
if 'filter' in args :
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pattern = "|".join(args['filter'])
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r = df[df.name.str.contains(pattern)]
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|
for name in args['filter'] :
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filter = "name == '"+name+"'"
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if r.query(filter).size == 0 :
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r = r.append(self.empty(name))
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return r
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|
except Exception,e:
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|
print (e)
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|
return None
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|
def status(self,row):
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|
x = row['memory_usage']
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y = row['cpu_usage']
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z = row['memory_available']
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|
if z :
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if y :
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return "running"
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return "idle"
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else:
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return "crash"
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#def format(self,row):
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# r= {"memory_usage":row[0],"cpu_usage":row[1],"memory_available":row[2]/1000,"proc_count":row[3],"label":self.cleanup(row[4])}
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# status = self.status(r)
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# r['status'] = status
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# return r
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def composite(self):
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ma = []
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for name in self.names:
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row = self.evaluate(name)
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ma += row
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return ma
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"""
|
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|
|
|
This class evaluates a list of folders and provides detailed informaiton about age/size of each file
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|
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|
Additionally the the details are summarized in terms of global size, and oldest file.
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|
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"""
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class FileWatch(Analysis):
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class Folders(SmartTop):
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|
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"""
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|
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|
This class will assess a folder and produce a report in a data-frame that can be later on used for summary statistics
|
|
|
|
|
"""
|
|
|
|
|
def __init__(self):
|
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|
pass
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def init(self,folders):
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|
self.folders = folders;
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|
|
|
self.cache = []
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|
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def getName(self):
|
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|
|
return "folders"
|
|
|
|
|
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|
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def evaluate(self,dir_path,r=[]):
|
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|
"""
|
|
|
|
|
This function will recursively scan a folder and retrieve file sizes and age of the files.
|
|
|
|
|
The data will be returned as an array of {size,age,label} items
|
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|
|
|
"""
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|
|
def _get(self,dir_path,r=[]):
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for child in os.listdir(dir_path):
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path = os.path.join(dir_path, child)
|
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|
|
if os.path.isdir(path):
|
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|
|
|
self.evaluate(path,r)
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|
|
|
self._get(path,r)
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|
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|
|
|
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|
|
else:
|
|
|
|
|
size = os.path.getsize(path)
|
|
|
|
@ -277,62 +115,25 @@ class FileWatch(Analysis):
|
|
|
|
|
file_date = datetime.datetime.fromtimestamp(file_date)
|
|
|
|
|
now = datetime.datetime.now()
|
|
|
|
|
age = (now - file_date ).days
|
|
|
|
|
r.append({"label":path,"size":size,"age":age,"date":self.getNow()})
|
|
|
|
|
|
|
|
|
|
name = os.path.basename(path)
|
|
|
|
|
r.append({"name":name,"path":path,"size":size,"age":age})
|
|
|
|
|
return r
|
|
|
|
|
|
|
|
|
|
def reboot(self,rows,limit) :
|
|
|
|
|
return np.sum([ 1 for item in rows if rows['size'] > limit ]) > 0
|
|
|
|
|
def composite(self):
|
|
|
|
|
out = []
|
|
|
|
|
for folder in self.folders :
|
|
|
|
|
|
|
|
|
|
r = self.evaluate(folder,[])
|
|
|
|
|
file_count = len(r)
|
|
|
|
|
age_mode = [item[0] for item in stats.mode([item['age'] for item in r])]
|
|
|
|
|
size_mode= [item[0] for item in stats.mode([item['size'] for item in r])]
|
|
|
|
|
age = {"mode":age_mode,"median":np.median([item['age'] for item in r] ),"mean":np.mean([item['age'] for item in r] ),"var":np.mean([item['age'] for item in r])}
|
|
|
|
|
size = {"mode":size_mode,"median":np.median([item['size'] for item in r] ), "mean":np.mean([item['size'] for item in r] ),"var":np.mean([item['size'] for item in r])}
|
|
|
|
|
out.append({"label":folder,"date":self.getNow(),"stats":{"age":age,"size":size,"file_count":file_count},"logs":r})
|
|
|
|
|
return out
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# class Monitor (Thread):
|
|
|
|
|
# def __init__(self,pConfig,pWriter,id='processes') :
|
|
|
|
|
# Thread.__init__(self)
|
|
|
|
|
def get(self,**args):
|
|
|
|
|
# path = args['path']
|
|
|
|
|
|
|
|
|
|
# self.config = pConfig[id]
|
|
|
|
|
# self.writer = pWriter;
|
|
|
|
|
# self.logs = []
|
|
|
|
|
# self.handler = self.config['class']
|
|
|
|
|
# self.mconfig = self.config['config']
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
# def stop(self):
|
|
|
|
|
# self.keep_running = False
|
|
|
|
|
# def run(self):
|
|
|
|
|
# r = {}
|
|
|
|
|
# self.keep_running = True
|
|
|
|
|
# lock = RLock()
|
|
|
|
|
# while self.keep_running:
|
|
|
|
|
# lock.acquire()
|
|
|
|
|
# for label in self.mconfig:
|
|
|
|
|
|
|
|
|
|
# self.handler.init(self.mconfig[label])
|
|
|
|
|
# r = self.handler.composite()
|
|
|
|
|
# self.writer.write(label=label,row = r)
|
|
|
|
|
|
|
|
|
|
# time.sleep(2)
|
|
|
|
|
# lock.release()
|
|
|
|
|
|
|
|
|
|
# self.prune()
|
|
|
|
|
# TIME_LAPSE = 60*2
|
|
|
|
|
# time.sleep(TIME_LAPSE)
|
|
|
|
|
# print "Stopped ..."
|
|
|
|
|
# def prune(self) :
|
|
|
|
|
|
|
|
|
|
# MAX_ENTRIES = 100
|
|
|
|
|
# if len(self.logs) > MAX_ENTRIES :
|
|
|
|
|
# BEG = len(self.logs) - MAX_SIZE -1
|
|
|
|
|
# self.logs = self.logs[BEG:]
|
|
|
|
|
|
|
|
|
|
if isinstance(args['path'],list) == False:
|
|
|
|
|
paths = [args['path']]
|
|
|
|
|
else:
|
|
|
|
|
paths = args['path']
|
|
|
|
|
_out = pd.DataFrame()
|
|
|
|
|
for path in paths :
|
|
|
|
|
if os.path.exists(path) :
|
|
|
|
|
#
|
|
|
|
|
# If the folder does NOT exists it should not be treated.
|
|
|
|
|
#
|
|
|
|
|
r = pd.DataFrame(self._get(path))
|
|
|
|
|
r = pd.DataFrame([{"name":path,"files":r.shape[0],"age_in_days":r.age.mean(),"size_in_kb":r.size.sum()}])
|
|
|
|
|
_out = _out.append(r)
|
|
|
|
|
return _out
|
|
|
|
|