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ovirt_storage_check.py
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ovirt_storage_check.py
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#!/usr/bin/env python3
# This script was written by Bosse Klein - Securepoint GmbH
# It is an adaption of the oVirt-Storage-Monitroing script written by Marc-Daniell Hess
from bitmath import Byte
import ovirtsdk4
import argparse
import secrets_1
import logging
'''Create a Connection with the Ovirt-Api '''
connection = ovirtsdk4.Connection(url=secrets_1.URL, username=secrets_1.USERNAME, password=secrets_1.PASSWORD, ca_file=secrets_1.CA_FILE,)
'''Define Functions'''
def calcGiB(bytes):
bytes = Byte(bytes)
gib = bytes.to_GiB()
return float(gib)
def calcTotal(available, used):
total = available + used
return total
def calcPercentUsed(total, used):
percent = used / total * 100
return percent
'''Get StorageDomains from Ovirt'''
storageDomains = []
storageDomains_get = connection.system_service().storage_domains_service()
storageDomains = storageDomains_get.list()
'''Build Argparse'''
arg = argparse.ArgumentParser()
arg.add_argument("-d", "--domain", required=False, help="Define the Storagedomains that are supposed to be looked up - if left empty every domain is going to be checked", nargs="+", type=str)
arg.add_argument("-t", "--threshold", required=True, help="Define the threshold in GIB or percent if you're going to use the -p argument(If I < Threshold - Do nothing, IF I > Threshold - Do something)", type=int)
arg.add_argument("-p", "--percent", required=False, help="Print percentage of the Values instead of GiB - Default True", action='store_true')
arg.add_argument("-v", "--verbose", required=False, help="Prints more information - Default False", action='store_true')
args = arg.parse_args()
'''Define Variables passed to Argparse'''
domain = args.domain
if args.verbose:
verbose = 1
logging.info('Verbose Mode is enabled')
logging.info('Trying to fetch StorageDomains')
else:
verbose = 0
threshold = args.threshold
if args.percent:
percent = 1
'''Add Logging'''
if verbose == 1:
log = "/var/log/prometheus/oVirt-Storage-Check.log"
logging.basicConfig(filename=log, level=logging.DEBUG, format='%(asctime)s %(message)s', datefmt='%d/%m/%Y %H:%M:%S')
if domain is None:
print("# HELP Checks ovirt_storage_check if a storage domain is full or not")
print("# TYPE ovirt_storage_check gauge")
for storageDomain in storageDomains:
if percent == 1:
if verbose == 1:
logging.info('Trying to fetch % Values')
logging.info("Calculating % Values")
percent_available = calcGiB(storageDomain.available)
percent_used = calcGiB(storageDomain.used)
percent_total = calcTotal(percent_available, percent_used)
used_percent = round(calcPercentUsed(percent_total, percent_used))
if verbose == 1:
logging.info("Done.")
if threshold > 100:
if verbose == 1:
logging.info('This is not working. Are you sure you want to use % ?')
logging.info("Switching to GiB Mode.")
usedGiB = calcGiB(storageDomain.used)
availableGiB = calcGiB(storageDomain.available)
totalGib = calcTotal(availableGiB, usedGiB)
if usedGiB <= threshold:
print("ovirt_storage_check{storageDomain=\"" + str(storageDomain.name) + "\"} 0")
else:
print("ovirt_storage_check{storageDomain=\"" + str(storageDomain.name) + "\"} 1")
else:
if verbose == 1:
logging.info('Using % - Values')
if used_percent <= threshold:
print("ovirt_storage_check{storageDomain=\"" + str(storageDomain.name) + "\"} 0")
else:
print("ovirt_storage_check{storageDomain=\"" + str(storageDomain.name) + "\"} 1")
else:
if verbose == 1:
logging.info('Trying to fetch GiB Values')
usedGiB = calcGiB(storageDomain.used)
availableGiB = calcGiB(storageDomain.available)
totalGib = calcTotal(availableGiB, usedGiB)
if verbose == 1:
logging.info('Done.')
if usedGiB <= threshold:
print("ovirt_storage_check{storageDomain=\"" + str(storageDomain.name) + "\"} 0")
else:
print("ovirt_storage_check{storageDomain=\"" + str(storageDomain.name) + "\"} 1")
else:
print("# HELP ovirt_storage_check Checks if a storage domain is full or not")
print("# TYPE ovirt_storage_check gauge")
for storageDomain in storageDomains:
if storageDomain.name in domain:
if percent == 1:
if verbose == 1:
logging.info('Trying to fetch % Values')
logging.info("Calculating % Values")
percent_available = calcGiB(storageDomain.available)
percent_used = calcGiB(storageDomain.used)
percent_total = calcTotal(percent_available, percent_used)
used_percent = round(calcPercentUsed(percent_total, percent_used))
if verbose == 1:
logging.info("Done.")
if threshold > 100:
if verbose == 1:
logging.info('This is not working. Are you sure you want to use % ?')
logging.info("Switching to GiB Mode.")
usedGiB = calcGiB(storageDomain.used)
availableGiB = calcGiB(storageDomain.available)
totalGib = calcTotal(availableGiB, usedGiB)
if usedGiB <= threshold:
print("ovirt_storage_check{storageDomain=\"" + str(storageDomain.name) + "\"} 0")
else:
print("ovirt_storage_check{storageDomain=\"" + str(storageDomain.name) + "\"} 1")
else:
if verbose == 1:
logging.info('Using % - Values')
if used_percent <= threshold:
print("ovirt_storage_check{storageDomain=\"" + str(storageDomain.name) + "\"} 0")
else:
print("ovirt_storage_check{storageDomain=\"" + str(storageDomain.name) + "\"}1")
else:
if verbose == 1:
logging.info('Trying to fetch GiB Values')
usedGiB = calcGiB(storageDomain.used)
availableGiB = calcGiB(storageDomain.available)
totalGib = calcTotal(availableGiB, usedGiB)
if verbose == 1:
logging.info('Done.')
if usedGiB <= threshold:
print("ovirt_storage_check{storageDomain=\"" + str(storageDomain.name) + "\"} 0")
else:
print("ovirt_storage_check{storageDomain=\"" + str(storageDomain.name) + "\"}1")
if domain is None:
print("# HELP ovirt_storage_total Total Usage of the Storage Domain")
print("# TYPE ovirt_storage_total gauge")
for storageDomain in storageDomains:
usedGiB = calcGiB(storageDomain.used)
availableGiB = calcGiB(storageDomain.available)
totalGib = calcTotal(availableGiB, usedGiB)
print("ovirt_storage_total{storageDomain=\"" + str(storageDomain.name) + "\"} " + str(totalGib))
print("# HELP ovirt_storage_used used Usage of the Storage Domain")
print("# TYPE ovirt_storage_used gauge")
for storageDomain in storageDomains:
usedGiB = calcGiB(storageDomain.used)
print("ovirt_storage_used{storageDomain=\"" + str(storageDomain.name) + "\"} " + str(usedGiB))
print("# HELP ovirt_storage_available available Usage of the Storage Domain")
print("# TYPE ovirt_storage_available gauge")
for storageDomain in storageDomains:
availableGiB = calcGiB(storageDomain.available)
print("ovirt_storage_available{storageDomain=\"" + str(storageDomain.name) + "\"} " + str(availableGiB))
else:
print("# HELP ovirt_storage_total Total Usage of the Storage Domain")
print("# TYPE ovirt_storage_total gauge")
for storageDomain in storageDomains:
if storageDomain.name in domain:
usedGiB = calcGiB(storageDomain.used)
availableGiB = calcGiB(storageDomain.available)
totalGib = calcTotal(availableGiB, usedGiB)
print("ovirt_storage_total{storageDomain=\"" + str(storageDomain.name) + "\"} " + str(totalGib))
print("# HELP ovirt_storage_used used Usage of the Storage Domain")
print("# TYPE ovirt_storage_used gauge")
for storageDomain in storageDomains:
if storageDomain.name in domain:
usedGiB = calcGiB(storageDomain.used)
print("ovirt_storage_used{storageDomain=\"" + str(storageDomain.name) + "\"} " + str(usedGiB))
print("# HELP ovirt_storage_available available Usage of the Storage Domain")
print("# TYPE ovirt_storage_available gauge")
for storageDomain in storageDomains:
if storageDomain.name in domain:
availableGiB = calcGiB(storageDomain.available)
print("ovirt_storage_available{storageDomain=\"" + str(storageDomain.name) + "\"} " + str(availableGiB))