keyrequest_monitor/key_request_parser/krparser.py

161 lines
5.2 KiB
Python

import re
from key_request_parser import patterns, keyrequests, helper
from enum import Flag, auto
class KROption(Flag):
VALIDATE_EXISTS = auto()
VALIDATE_HASDATA = auto()
class KRParser:
patterns=[patterns.Pattern1(), patterns.Pattern2(), patterns.Pattern3(), patterns.Pattern4()]
def normalize(self,x):
#tmp=x.replace("~","")
tmp=x.replace("\n","")
#tmp=tmp.replace("\"/","\"")
#tmp=tmp.replace("\"/","") -_>was active
#tmp=tmp.replace("/\"","\"")
tmp=tmp.replace("/\"","")
tmp=tmp.replace("\"","")
tmp=tmp.replace("\t","")
tmp=re.sub("([\s]*)\)", ")", tmp)
tmp=re.sub("\([\s\n\r]*", "(", tmp)
tmp=re.sub("\,[\s\n\r]*", ",", tmp)
tmp=re.sub("\)[\s\n\r]*,", "),", tmp)
tmp=re.sub("in[\s\n\r]*\(", "in(", tmp)
return tmp
def applyPatterns(self,subject):
groups=None
for p in self.patterns:
groups=p.parseServicesAndMethods(subject)
if len(groups) > 0:
break
return groups
# def checkKeyRequetsExists(self,kr, DTAPIURL, DTAPIToken):
# DTAPIURL = DTAPIURL + "/api/v2/entities"
# headers = {
# 'Content-Type': 'application/json',
# 'Authorization': 'Api-Token ' + DTAPIToken
# }
# for group in kr.matchedGroups:
# params={"entitySelector": group["existsQuery"]}
# response = helper.get_request(DTAPIURL, headers, params)
# entities = (response.json())['entities']
# for method in group["methods"]:
# comparer=None
# if method.startswith('SERVICE_METHOD-'):
# comparer="entityId"
# else:
# comparer="displayName"
# found = [x for x in entities if x[comparer] == method]
# if len(found) > 0:
# #Keyrequest exists
# tmp=found[0]
# tmp["exists"]=True
# else:
# #Keyrequest not exists
# tmp={"displayName":method,"type": "SERVICE_METHOD", "entityId":method, "exists":False}
# kr.keyRequests.append(tmp)
# return kr
def checkKeyRequetsExists(self,kr, DTAPIURL, DTAPIToken):
DTAPIURL = DTAPIURL + "/api/v2/entities"
headers = {
'Content-Type': 'application/json',
'Authorization': 'Api-Token ' + DTAPIToken
}
for gid, group in enumerate(kr.matchedGroups):
params={"entitySelector": group["existsQuery"]}
response = helper.get_request(DTAPIURL, headers, params)
entities = (response.json())['entities']
if len(entities) > 0:
y=0
for method in kr.keyRequests:
if method["groupId"] == gid:
found = [x for x in entities if x[method["comparer"]] == method[method["comparer"]]]
if len(found) > 0:
method["exists"]=True
method["displayName"]=found[0]["displayName"]
method["entityId"]=found[0]["entityId"]
else:
method["exists"]=False
def process(self, kr):
for gid, group in enumerate(kr.matchedGroups):
for method in group["methods"]:
if method.startswith('SERVICE_METHOD-'):
tmp={"displayName": None,"comparer": "entityId", "entityId":method, "exists":None, "groupId":gid}
else:
tmp={"displayName":method,"comparer": "displayName", "entityId":None, "exists":None, "groupId":gid}
kr.keyRequests.append(tmp)
if KROption.VALIDATE_EXISTS in self.options:
self.checkKeyRequetsExists(kr,self.DTAPIURL, self.DTAPIToken)
if KROption.VALIDATE_HASDATA in self.options:
x=0
return kr
def parseBySLO(self, row):
#normalize
normFilter=self.normalize(row['filter'])
normExpresseion=self.normalize(row['metricExpression'])
tmp_KR = keyrequests.KR({"sloName":row["name"], "env":row["env"], "metricExpression": normExpresseion, "filter": normFilter, "matchedGroups": None})
#SLO with Filter
if normFilter.upper().startswith("TYPE(SERVICE_METHOD),"):
subject=normFilter
else:
subject=normExpresseion
groups=self.applyPatterns(subject)
for g in groups:
if g["methods"] != None and len(g["methods"]) > 0:
tmp_KR.matchedGroups.append(g)
#self.process(tmp_KR)
return self.process(tmp_KR)
def __init__(self, options: KROption , DTAPIURL, DTAPIToken ):
self.DTAPIURL= DTAPIURL
self.DTAPIToken=DTAPIToken
self.options=options