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confluent/confluent_client/bin/nodehealth
2017-06-20 14:56:24 -04:00

98 lines
3.3 KiB
Python
Executable File

#!/usr/bin/env python
# vim: tabstop=4 shiftwidth=4 softtabstop=4
# Copyright 2015-2017 Lenovo
#
# Licensed 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.
import codecs
import optparse
import os
import signal
import sys
try:
signal.signal(signal.SIGPIPE, signal.SIG_DFL)
except AttributeError:
pass
path = os.path.dirname(os.path.realpath(__file__))
path = os.path.realpath(os.path.join(path, '..', 'lib', 'python'))
if path.startswith('/opt'):
sys.path.append(path)
import confluent.client as client
sys.stdout = codecs.getwriter('utf8')(sys.stdout)
argparser = optparse.OptionParser(usage="Usage: %prog <noderange>")
(options, args) = argparser.parse_args()
try:
noderange = args[0]
except IndexError:
argparser.print_help()
sys.exit(1)
def main():
global session, exitcode, healthbynode, healthexplanations, health, node, sensor, explanation
session = client.Command()
exitcode = 0
healthbynode = {}
healthexplanations = {}
for health in session.read(
'/noderange/{0}/health/hardware'.format(noderange)):
if 'error' in health:
sys.stderr.write(health['error'] + '\n')
if 'errorcode' in health:
exitcode |= health['errorcode']
else:
exitcode |= 1
continue
if 'databynode' not in health:
continue
health = health['databynode']
for node in health:
if 'error' in health[node]:
sys.stderr.write('{0}: Error: {1}\n'.format(
node, health[node]['error']))
exitcode |= 1
if 'health' in health[node]:
healthbynode[node] = health[node]['health']['value']
if 'sensors' in health[node]:
healthexplanations[node] = []
for sensor in health[node]['sensors']:
explanation = sensor['name'] + ':'
if sensor['value'] is not None:
explanation += str(sensor['value'])
if sensor['units'] is not None:
explanation += sensor['units']
if sensor['states']:
explanation += ','
if sensor['states']:
explanation += ','.join(sensor['states'])
healthexplanations[node].append(explanation)
if node in healthbynode and node in healthexplanations:
if healthexplanations[node]:
print(u'{0}: {1} ({2})'.format(
node, healthbynode[node],
','.join(healthexplanations[node])))
else:
print('{0}: {1}'.format(node, healthbynode[node]))
try:
main()
except KeyboardInterrupt:
print('')
sys.exit(0)