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Orchestrator.py
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Orchestrator.py
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# -*- coding: utf-8 -*-
'''
Created on 21 ���. 2019 �.
@author: Ivan Cherny i Borja Garbayo
'''
import sys, yaml,time,re
from COSBackend import COSBackend
from ibm_cf_connector import CloudFunctions
from math import ceil
from pip._vendor.html5lib.constants import EOF
from botocore.vendored.requests.compat import str
def espera(nom_fitxer,nom_bucket,c_max):
tst=1
while(tst):
arxius=connector_date.list_objects(nom_bucket, nom_fitxer)
cont=0
for i in arxius:
cont+=1 #mirarho
if(cont >= c_max):
return 0
return 0
def generator(cloud_function):
with open("wordCount.zip", 'rb') as arxiu:
bytes_f=arxiu.read()
res=cloud_function.create_action("wordCount", bytes_f, 'blackbox', 'ibmfunctions/action-python-v3.6', is_binary=True, overwrite=True)
if(res == 1): return 1;
with open("countWords.zip", 'rb') as arxiu:
bytes_f=arxiu.read()
res=cloud_function.create_action("countWords", bytes_f, 'blackbox', 'ibmfunctions/action-python-v3.6', is_binary=True, overwrite=True)
if(res == 1): return 1;
with open("reducer.zip", 'rb') as arxiu:
bytes_f=arxiu.read()
res=cloud_function.create_action("reducer", bytes_f, 'blackbox', 'ibmfunctions/action-python-v3.6', is_binary=True, overwrite=True)
if(res == 1): return 1;
return 0
if __name__ == '__main__':
nom_bucket="practica1v2"
if (len(sys.argv) == 3):
with open('ibm_cloud_config', 'r') as config_file:
res = yaml.safe_load(config_file)
connector_date = COSBackend(res['ibm_cos'])
connector_functions=CloudFunctions(res['ibm_cf'])
#connector_date.delete_object(nom_bucket,"wordcount1.txt")
#connector_date.delete_object(nom_bucket,"wordcount2.txt")
resultat=generator(connector_functions)
if(resultat == 1):
print("No s'ha pogut generar les funccions,comrova els arxius")
sys.exit()
else:
print("Funcions Generades correctament")
info=connector_date.head_object(nom_bucket, sys.argv[1])
sizebytes=info['content-length']
max_mappers=int(sys.argv[2])
'''WordCount'''
parts=int(sizebytes)/max_mappers #quantes pomes va per cadascu
parts=ceil(parts)
parts=int(parts)
cont_mappers=0
b_min=0
b_max=parts
optim=0
flag =1
inici_wordCount=time.time()
while(cont_mappers<max_mappers and flag):
bit_cmp=b_max-1
dades=connector_date.get_object(nom_bucket, sys.argv[1],extra_get_args={'Range': 'bytes='+str(bit_cmp)+'-'+str(b_max)})
dades=dades.decode("iso-8859-15")
control=dades[-1:]
while(control !=' ' and control !='\n' and control !='\r' and control !=EOF and b_max<int(sizebytes)):
b_max+=1
dades=connector_date.get_object(nom_bucket, sys.argv[1],extra_get_args={'Range': 'bytes='+str(bit_cmp)+'-'+str(b_max)})
dades=dades.decode("iso-8859-15")
control=dades[-1:]
optim+=1
dades=connector_date.get_object(nom_bucket, sys.argv[1],extra_get_args={'Range': 'bytes='+str(b_min)+'-'+str(b_max)})
dades=dades.decode("iso-8859-15")
connector_functions.invoke('wordCount', {"login":res['ibm_cos'],"bucket":nom_bucket, "text":dades, "index":str(cont_mappers+1)})
b_min=b_max+1
if(b_min>=int(sizebytes)): flag=0
if(cont_mappers==cont_mappers-1):
b_max=b_max+parts-optim
else:
b_max=b_max+parts
if(b_max>int(sizebytes)): b_max=int(sizebytes)
cont_mappers+=1
print("S'han executat "+str(cont_mappers) + " mappers dels " + str(max_mappers) + " desitjats" )
print("Els mappers estan treballant")
v = espera('wordcount',nom_bucket,cont_mappers)
fi_wordCount=time.time()
tempsTotalWordCount=fi_wordCount-inici_wordCount
print("Els mappers han finalitzat anb un temps total de: "+str(tempsTotalWordCount))
nom_base=sys.argv[1]
nom_base=nom_base.split(".")
inici_reducer=time.time()
connector_functions.invoke('reducer', {"login":res['ibm_cos'],"bucket":nom_bucket,"nom_arxiu":nom_base[0]})
print("Executant el reducer")
v = espera(str(nom_base[0])+'_resultat',nom_bucket,1)
fi_reducer=time.time()
tempsTotalReduce=fi_reducer-inici_reducer
print("Reducer ha finalitzat "+ str(tempsTotalReduce))
inici_countW=time.time()
connector_functions.invoke('countWords', {"login":res['ibm_cos'],"nom_arxiu":sys.argv[1],"bucket":nom_bucket})
print("Executant Count")
v = espera('countwords',nom_bucket,1)
fi_countW=time.time()
tempsTotalCountWords=fi_countW-inici_countW
print("Count finalitzat " + str(tempsTotalCountWords))
text=connector_date.get_object(nom_bucket,str(nom_base[0])+ '_resultat.txt')
file=open(str(nom_base[0])+"resultat.txt","w+")
file.write("El temps total del Word Count: " +str(tempsTotalWordCount) + '\n')
file.write("El temps total del Reducer: " +str(tempsTotalReduce) + '\n')
text=text.decode("utf-8")
text= re.sub(r'[-,;?!.¿¡\'\(\)\n\r\t]',"",text)
file.write(str(text.encode("utf-8")))
file.close()
text=connector_date.get_object(nom_bucket,'countwords.txt')
file=open("coutwords.txt","w+")
file.write("El temps total del CountWords: " +str(tempsTotalCountWords))
text=text.decode("iso-8859-15")
file.write(str(text))
file.close()
connector_date.delete_object(nom_bucket,'countwords.txt')
print(str(text))
print("Fi del programma")
else:
print ("Sintaxis: Orchestrator.py nom_arxiu num_mappers")