zabbixdata.py

'''
This class is responsible for going on Zabbix and get some data
'''

from pyzabbix import ZabbixAPI
from datetime import datetime
import time
import configs


class ZabbixData:
    def __init__(self):
        self.zapi = ZabbixAPI(configs.zabbixapiurl)
        self.zapi.login(configs.zabbixapilogin, configs.zabbixapipasswd)
        self.time_till = time.mktime(datetime.now().timetuple())

    def gethistory(self, item):
        kind = item['kind']

        if kind == 'Item':
            id = item['zid']
            unit = item['unit']

            history = 3  # Default value
            if unit == '%':
                history = 0  # On Zabbix API, 0 means to query looking for 'float' result. Reference: http://bit.ly/1gI1l63
            if unit == 'bps' or unit == 'int':
                history = 3  # On Zabbix API, 3 means to query looking for 'int' result. Reference: http://bit.ly/1gI1l63

            history = self.zapi.history.get(itemids=id,
                                            time_from=0,
                                            time_till=self.time_till,
                                            history=history,
                                            output='extend',
                                            sortfield='clock',
                                            sortorder='DESC',
                                            limit='25',
                                            )

            history = history[::-1]  # I'm reversing the list because in order to get the last measures I have to
                                     # query ordering by clock desc, so the list comes with the first value as the latest
                                     # to generate the line in correct order, I must reverse the values so as the
                                     # graph line appears on the correct order...

        if kind == 'Monitoring':
            history = {}
            httpcodezid = item['httpcodezid']
            httptimezid = item['httptimezid']
            httplasterrorzid = item['httplasterrorzid']

            httpcoderesponse = self.zapi.history.get(itemids=httpcodezid,
                                                     time_from=0,
                                                     time_till=self.time_till,
                                                     output='extend',
                                                     history=3,
                                                     sortfield='clock',
                                                     sortorder='DESC',
                                                     limit='1',
                                                    )
            history['httpcode'] = httpcoderesponse[0]['value']

            httptimeresponse = self.zapi.history.get(itemids=httptimezid,
                                                     time_from=0,
                                                     time_till=self.time_till,
                                                     output='extend',
                                                     history=0,
                                                     sortfield='clock',
                                                     sortorder='DESC',
                                                     limit='1',
                                                    )
            history['httptimeresponse'] = httptimeresponse[0]['value']

            httplasterrorresponse = self.zapi.history.get(itemids=httplasterrorzid,
                                                          time_from=0,
                                                          time_till=self.time_till,
                                                          output='extend',
                                                          history=1,
                                                          sortfield='clock',
                                                          sortorder='DESC',
                                                          limit='1',
                                                         )
            history['httplasterrorresponse'] = httplasterrorresponse[0]['clock']

        print history
        return history

    def getunacktriggers(self,item):
        if 'filter' in item:
            if 'value' not in item['filter']:
                item['filter']['value'] = 1
        else:
            item['filter'] = { 'value':1 }

        triggers = self.zapi.trigger.get(only_true=1,
                                         skipDependent=1,
                                         monitored=1,
                                         active=1,
                                         output='extend',
                                         expandDescription=1,
                                         expandData='host',
                                         withLastEventUnacknowledged=1,
                                         sortfield='priority',
                                         sortorder='DESC',
                                         filter=item['filter'],
                                        )
        return triggers