demo.py

#!/usr/bin/env python3
import sys
import argparse
from pyzabbix import ZabbixAPI


zapi = ZabbixAPI(server='http://korolv.zabbix.local')
zapi.login(user = 'Admin', password='zabbix')

def createParser():
    parser = argparse.ArgumentParser(
        prog = 'update template',
        description = '''Script for detach
                         templates and remove macros
                         through Zabbix API.''',
        usage='detach_templates.py [arguments] [value]',
        epilog = '''(c) i-Free 2018.''')

    parser.add_argument(
        '-t', '--template',  dest='template',
         help = 'Specify a template')

    parser.add_argument(
        '-m1', '--macros1', dest='macros1',
         help = 'Specify a first macros1')

    parser.add_argument(
        '-m2', '--macros2', dest='macros2',
         help = 'Specify a second macros2')

    parser.add_argument(
        '-H', '--hosts', type=str, dest='host',
         help = 'Specify a list of hosts')

    return parser


def detach_templates(current_host, templateIDs):
    detachIDs = zapi.host.update(hostid=current_host, templates_clear=templateIDs,output = 'extend')
    print('    Template was removed from host: ' + current_host)


def macros_delete(current_macroid):
    current_macros_delete = zapi.usermacro.deletehostmacro(current_macroid)
    print("    Macros " + current_macroid + " was deleted")



def get_macrosIDs(current_host, macros_pattern, templateIDs):
    macrosIDs = zapi.usermacro.get(hostids=current_host, search={'macro':macros_pattern}, output = 'extend')
    detach_templates(current_host, templateIDs)
    for macnum in range(0,len(macrosIDs)):
        current_macroid = macrosIDs[macnum]['hostmacroid']
        print('    Macros' + macrosIDs[macnum]['macro'] +  " was found on " + current_host)
        macros_delete(current_macroid)


def get_hosts(templateIDs):
    hostIDs = zapi.host.get(search={'host':HOST_NAME_PATTERN,'templateids':templateIDs}, output = 'shorten')
    for host in range(0,len(hostIDs)):
        current_host = hostIDs[host]['hostid']
        print("    Host " + hostIDs[host]['hostid'] + " was found.")
        if MACROS_PATTERN1 and MACROS_PATTERN2:
            get_macrosIDs(current_host, MACROS_PATTERN1, templateIDs)
            get_macrosIDs(current_host, MACROS_PATTERN2, templateIDs)
        else:
            get_macrosIDs(current_host, MACROS_PATTERN1, templateIDs)

def get_templateIDs(template):
    templateIDs = zapi.template.get(search={'host':template}, output = 'shorten')
    get_hosts(templateIDs)


if __name__ == "__main__":
    parser = createParser()
    args = parser.parse_args()
    HOST_NAME_PATTERN = args.host
    TEMPLATE = args.template
    MACROS_PATTERN1 = args.macros1
    MACROS_PATTERN2 = args.macros2
    print('Logs:')
    get_templateIDs(TEMPLATE)