#!/usr/bin/env python
# vim: tabstop=4 shiftwidth=4 softtabstop=4

# Copyright 2015 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 os
import sys

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)

noderange = sys.argv[1]

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 '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 += sensor['value']
                    if sensor['units'] is not None:
                        explanation += sensor['units']
                if sensor['states']:
                    explanation += ','.join(sensor['states'])
                healthexplanations[node].append(explanation)
        if node in healthbynode and node in healthexplanations:
            if healthexplanations[node]:
                print('{0}: {1} ({2})'.format(
                    node, healthbynode[node],
                    ','.join(healthexplanations[node])))
            else:
                print('{0}: {1}'.format(node, healthbynode[node]))