| #!/usr/bin/python |
| # Licensed to the Apache Software Foundation (ASF) under one |
| # or more contributor license agreements. See the NOTICE file |
| # distributed with this work for additional information |
| # regarding copyright ownership. The ASF licenses this file |
| # to you under the Apache License, Version 2.0 (the |
| # "License"); you may not use this file except in compliance |
| # with the License. You may obtain a copy of the License at |
| # |
| # http://www.apache.org/licenses/LICENSE-2.0 |
| # |
| # Unless required by applicable law or agreed to in writing, |
| # software distributed under the License is distributed on an |
| # "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| # KIND, either express or implied. See the License for the |
| # specific language governing permissions and limitations |
| # under the License. |
| |
| from os import sys, path, statvfs |
| from subprocess import * |
| from utility import getHealthChecksData |
| |
| |
| def main(): |
| entries = getHealthChecksData("systemThresholds") |
| data = {} |
| if entries is not None and len(entries) == 1: |
| data = entries[0] |
| |
| if "maxMemoryUsage" not in data: |
| print "Missing maxMemoryUsage in health_checks_data " + \ |
| "systemThresholds, skipping" |
| exit(0) |
| |
| maxMemoryUsage = float(data["maxMemoryUsage"]) |
| cmd = "free | awk 'FNR == 2 { print $3 * 100 / $2 }'" |
| pout = Popen(cmd, shell=True, stdout=PIPE) |
| |
| if pout.wait() == 0: |
| currentUsage = float(pout.communicate()[0].strip()) |
| if currentUsage > maxMemoryUsage: |
| print "Memory Usage " + str(currentUsage) + \ |
| "% has crossed threshold of " + str(maxMemoryUsage) + "%" |
| exit(1) |
| print "Memory Usage within limits with current at " + \ |
| str(currentUsage) + "%" |
| exit(0) |
| else: |
| print "Failed to retrieve memory usage using " + cmd |
| exit(1) |
| |
| |
| if __name__ == "__main__": |
| if len(sys.argv) == 2 and sys.argv[1] == "basic": |
| main() |