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##############################################################################
# Copyright (c) 2018 Huawei Tech and others.
#
# All rights reserved. This program and the accompanying materials
# are made available under the terms of the Apache License, Version 2.0
# which accompanies this distribution, and is available at
# http://www.apache.org/licenses/LICENSE-2.0
##############################################################################
import json
def customize_query(filename, rowtitle, panelname, expr):
with open(filename, 'r+') as f:
data = json.load(f)
x = data['rows'] # this is an array of the rows of the dashboard
for y in x:
if y['title'] == rowtitle:
pan = y['panels']
for i in range(len(pan) - 1):
z = pan[i]
if z['title'] == panelname:
tar = z['targets']
for a in tar:
a['expr'] = expr
f.seek(0) # <--- reset file position to start
json.dump(data, f, indent=4)
f.truncate()
customize_query("/home/opnfv/bottlenecks/monitor/custom-query-dashboard.json",
"Dashboard Row", "Memory Usage per Container",
"Sample Prometheus Query")
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