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benchmark_ceilometer.py
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benchmark_ceilometer.py
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import os
import credentials
import ceilomarius
import numpy
def main():
if not os.environ.get('OS_CEILOMETER_URL'):
print("ERROR: $OS_CEILOMETER_URL variable not set!")
print("Use this as an example: OS_CEILOMETER_URL=https://compute.datacentred.io:8777")
exit(1)
# get a token
creds = credentials.Credentials()
token = creds.get_token()
ceilomar = ceilomarius.Ceilomarius(api_version = 2,
endpoint = os.environ['OS_CEILOMETER_URL'],
token = token,
verbose = False)
query = [{'field': 'metadata.event_type', 'op': 'eq', 'value': 'compute.instance.exists'}]
for l in xrange(1,11):
results = []
objects = []
for iter in xrange(1,6):
resp = ceilomar.get_metric(meter_name="instance", q=query, limit=l)
objects = resp.json()
elapsed = resp.elapsed.microseconds
print("Objects retrieved: {}, us elapsed: {}, try no: {}".format(len(objects), elapsed, iter) )
results.append(elapsed)
print( "Items: {}, avg response time: {}".format(len(objects), numpy.mean(results)) )
if __name__ == "__main__":
main()