Draft nodesensors command

It's not functional yet, but this command will be the CLI
access to sensor data and collection

confluent_client/bin/nodesensors

@@ -0,0 +1,110 @@
+#!/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 optparse
+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
+
+sensorcollections = {
+    'all': 'hardware/all/all',
+    'temperature': 'hardware/temperature/all',
+    'power': 'hardware/power/all',
+    'fans': 'hardware/fans/all'
+}
+
+
+argparser = optparse.OptionParser(
+    usage="Usage: %prog [options] noderange [sensor(s)")
+argparser.add_option('-i', '--interval', type='int',
+                     help='Interval to do repeated samples over')
+argparser.add_option('-n', '--numreadings', type='int',
+                     help='Number of readings to gather')
+argparser.add_option('-c', '--csv', action='store_true')
+(options, args) = argparser.parse_args()
+repeatmode = False
+if options.interval:
+    repeatmode = True
+if options.numreadings:
+    repeatmode = options.numreadings
+    if options.interval is None:
+        options.interval = 1
+
+noderange = args[0]
+sensors = []
+for sensorgroup in args[2:]:
+    for sensor in sensorgroup.split(','):
+        sensor.replace('.', '/')
+        if '/' not in sensor:
+            if sensor in sensorcollections:
+                sensors.append(sensorcollections[sensor])
+            else:
+                sensors.append('hardware/all/' + sensor)
+if not sensors:
+    sensors = ['sensors/hardware/all/all']
+
+session = client.Command()
+exitcode = 0
+sensornames = set([])
+
+def sensorpass(showout=True):
+    resultdata = {}
+    for reqsensor in sensors:
+        for reading in session.read('/noderange/' + noderange + '/' + reqsensor):
+            if not isinstance(reading, dict):
+                sys.stderr.write(reading)
+                continue
+            for node in reading:
+                if 'error' in reading[node]:
+                    sys.stderr.write(
+                        '{0}: Error: {1}\n'.format(reading[node]['error']))
+                if 'sensors' not in reading[node]:
+                    continue
+                for sensedata in reading[node]['sensors']:
+                    print repr(sensedata)
+                    sensornames.add(sensedata['name'])
+
+                    try:
+                        sensedata['state'].remove('Ok')
+                    except ValueError:
+                        pass
+                    resultdata[sensedata['name']] = sensedata
+                    if showout:
+                        if sensedata['units'] is not None:
+                            showval = '{0} {1}'.format(
+                                sensedata['value'], sensedata['units'])
+                        else:
+                            showval = sensedata['value']
+                        if showval is None:
+                            showval = ''
+                        datadescription = [sensedata['health']]
+                        datadescription.extend(sensedata['states'])
+                        showval += ' ({0})'.format(','.join(datadescription))
+                        print('{0}: {1}: {2}'.format(
+                            node, sensedata['name'], showval))
+
+
+
+
+
+sensorpass()