git://git.uio.no / uio-zabbix.git / blame
| Commit | Line | Data |
|---|---|---|
| 9a702fb8 RMG |
1 | #!/usr/bin/env python |
| 2 | # | |
| 3 | # Authors: | |
| 4 | # rafael@postgresql.org.es / http://www.postgresql.org.es/ | |
| 5 | # | |
| 6 | # Copyright (c) 2014 USIT-University of Oslo | |
| 7 | ||
| 8 | import sys | |
| 9 | import os | |
| 10 | import time | |
| 11 | import json | |
| 12 | import urllib2 | |
| 13 | import xml.etree.ElementTree as ET | |
| 14 | ||
| 15 | # ############################################ | |
| 16 | # Method: get_temperature_box_info() | |
| 17 | # | |
| 18 | # Parameters: Text = temperature box hostname, deviceID | |
| 19 | # Returns: List data estructure with temperature | |
| 20 | # box information | |
| 21 | # | |
| 22 | # device_info[0] = TempC actual value | |
| 23 | # device_info[1] = TempC max value | |
| 24 | # device_info[2] = TempC min value | |
| 25 | # device_info[3] = TempC alarm max (-255 if not defined) | |
| 26 | # device_info[4] = TempC alarm min (-255 if not defined) | |
| 27 | # | |
| 28 | # ############################################ | |
| 29 | ||
| 30 | def get_device_info(temperature_box,device_id): | |
| 31 | ||
| 32 | device_info = [] | |
| 33 | ||
| 34 | try: | |
| 35 | minutes_since_last_update = 0 | |
| 36 | temp_file = '/tmp/' + temperature_box + '_temperature_data.xml' | |
| 37 | ||
| 38 | if os.path.exists(temp_file) == True: | |
| 39 | minutes_since_last_update = (time.time() - os.path.getmtime(temp_file)) / 60 | |
| 40 | ||
| 41 | # | |
| 42 | # Get the XML data from | |
| 43 | # http://<temperature_box_hostname>/data.xml only if the local | |
| 44 | # temp file with the XML code does not exist or if the file is | |
| 45 | # older that 5 minutes. | |
| 46 | # | |
| 47 | ||
| 48 | if os.path.exists(temp_file) == False or minutes_since_last_update > 5: | |
| 49 | ||
| 50 | req = urllib2.Request('http://' + temperature_box + '/data.xml') | |
| 51 | response = urllib2.urlopen(req,timeout=5) | |
| 52 | the_page = response.read() | |
| 53 | ||
| 54 | with open (temp_file,'w') as xmlfile: | |
| 55 | xmlfile.write(the_page) | |
| 56 | ||
| 57 | tree = ET.parse(temp_file) | |
| 58 | root = tree.getroot() | |
| 59 | ||
| 60 | except Exception as e: | |
| 61 | print e | |
| 62 | sys.exit(1) | |
| 63 | ||
| 64 | try: | |
| 65 | ||
| 66 | # | |
| 67 | # Generate a list with the information we get from a device | |
| 68 | # | |
| 69 | ||
| 70 | # | |
| 71 | # Device information | |
| 72 | # | |
| 73 | for child in root.findall("./devices/device"): | |
| 74 | ||
| 75 | if child.attrib['id'] == device_id: | |
| 76 | for field in child.findall("field"): | |
| 77 | if field.attrib['key'] == 'TempC': | |
| 78 | device_info.append(field.attrib['value']) | |
| 79 | device_info.append(field.attrib['max']) | |
| 80 | device_info.append(field.attrib['min']) | |
| 81 | ||
| 82 | if len(device_info) > 0: | |
| 83 | ||
| 84 | # | |
| 85 | # Alarm information | |
| 86 | # | |
| 87 | if len(root.findall("./alarms/alarm")) == 0: | |
| 88 | device_info.append('-255') | |
| 89 | device_info.append('-255') | |
| 90 | ||
| 91 | else: | |
| 92 | for child in root.findall("./alarms/alarm"): | |
| 93 | if child.attrib['device-id'] == device_id and child.attrib['field'] == 'TempC': | |
| 94 | device_info.append(child.attrib['max']) | |
| 95 | device_info.append(child.attrib['min']) | |
| 96 | ||
| 97 | else: | |
| 98 | device_info = [] | |
| 99 | ||
| 100 | return device_info | |
| 101 | ||
| 102 | except Exception as e: | |
| 103 | print e | |
| 104 | sys.exit(1) | |
| 105 | ||
| 106 | # ################################################### | |
| 107 | # Method: get_filsystem_item | |
| 108 | # | |
| 109 | # Parameters: Text = temperature box hostname, deviceID, item | |
| 110 | # Returns: item value | |
| 111 | # | |
| 112 | # device_info[0] = TempC actual value | |
| 113 | # device_info[1] = TempC max value | |
| 114 | # device_info[2] = TempC min value | |
| 115 | # device_info[3] = TempC alarm max (-255 if not defined) | |
| 116 | # device_info[4] = TempC alarm min (-255 if not defined) | |
| 117 | # | |
| 118 | # ################################################### | |
| 119 | ||
| 120 | def get_device_item(temperature_box,device_id,item): | |
| 121 | ||
| 122 | device_info_list = get_device_info(temperature_box,device_id) | |
| 123 | ||
| 124 | try: | |
| 125 | ||
| 126 | if len(device_info_list) > 0: | |
| 127 | if item == 'tempc': | |
| 128 | return float(device_info_list[0]) | |
| 129 | ||
| 130 | elif item == 'tempc_max': | |
| 131 | return float(device_info_list[1]) | |
| 132 | ||
| 133 | elif item == 'tempc_min': | |
| 134 | return float(device_info_list[2]) | |
| 135 | ||
| 136 | elif item == 'tempc_alarm_max': | |
| 137 | return float(device_info_list[3]) | |
| 138 | ||
| 139 | elif item == 'tempc_alarm_min': | |
| 140 | return float(device_info_list[4]) | |
| 141 | ||
| 142 | else: | |
| 143 | return -255 | |
| 144 | ||
| 145 | else: | |
| 146 | sys.exit(1) | |
| 147 | ||
| 148 | except Exception as e: | |
| 149 | print e | |
| 150 | sys.exit(1) | |
| 151 | ||
| 152 | ||
| 153 | ||
| 154 | ||
| 155 | # ############################################ | |
| 156 | # MAIN | |
| 157 | # ############################################ | |
| 158 | ||
| 159 | if __name__ == '__main__': | |
| 160 | ||
| 161 | try: | |
| 162 | if len(sys.argv) == 4: | |
| 163 | temperature_box = sys.argv[1].lower() | |
| 164 | device_id = sys.argv[2] | |
| 165 | item = sys.argv[3].lower() | |
| 166 | ||
| 167 | print get_device_item(temperature_box,device_id,item) | |
| 168 | ||
| 169 | else: | |
| 170 | print "Error: Wrong number of parameters" | |
| 171 | print 'Format: ' + sys.argv[0] + ' <temperature box hostname> <deviceID> <item>' | |
| 172 | sys.exit(1) | |
| 173 | ||
| 174 | except Exception as e: | |
| 175 | print e | |
| 176 | sys.exit(1) | |
| 177 |