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Can't get LLD to work with external check

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  • markosa
    Senior Member
    Zabbix Certified SpecialistZabbix Certified ProfessionalZabbix Certified Expert
    • Aug 2022
    • 104

    #1

    Can't get LLD to work with external check

    Hi everyone.
    I'm not new with zabbix, just been a bit time since used zabbix(when ver 3.x was in use).
    I have external check which does polling via snmp(building indexes which aren't available normal zabbix snmp-way), it returns following json(shortened it a bit for here):
    [{"#MEASNAME": "RF Level", "#MEASIDX1": "11", "#MEASIDX2": "0"}, {"#MEASNAME": "MPX Level", "#MEASIDX1": "11", "#MEASIDX2": "1"}, {"#MEASNAME": "Left Audio Level", "#MEASIDX1": "11", "#MEASIDX2": "2"}, {"#MEASNAME": "Right Audio Level", "#MEASIDX1": "11", "#MEASIDX2": "3"}, {"#MEASNAME": "CCIR Filtered Left Audio Level", "#MEASIDX1": "11", "#MEASIDX2": "4"}, {"#MEASNAME": "CCIR Filtered Right Audio Level", "#MEASIDX1": "11", "#MEASIDX2": "5"}, {"#MEASNAME": "Pilot Level", "#MEASIDX1": "11", "#MEASIDX2": "6"}, {"#MEASNAME": "RDS Level", "#MEASIDX1": "11", "#MEASIDX2": "7"}, {"#MEASNAME": "Stereo", "#MEASIDX1": "11", "#MEASIDX2": "8"}, {"#MEASNAME": "RDS", "#MEASIDX1": "11", "#MEASIDX2": "9"}, {"#MEASNAME": "PI Code", "#MEASIDX1": "11", "#MEASIDX2": "10"}, {"#MEASNAME": "MPX Power", "#MEASIDX1": "11", "#MEASIDX2": "11"}, {"#MEASNAME": "RF Level", "#MEASIDX1": "16", "#MEASIDX2": "0"}, {"#MEASNAME": "MPX Level", "#MEASIDX1": "16", "#MEASIDX2": "1"}, {"#MEASNAME": "Left Audio Level", "#MEASIDX1": "16", "#MEASIDX2": "2"}, {"#MEASNAME": "Right Audio Level", "#MEASIDX1": "16", "#MEASIDX2": "3"}, {"#MEASNAME": "CCIR Filtered Left Audio Level", "#MEASIDX1": "16", "#MEASIDX2": "4"}, {"#MEASNAME": "CCIR Filtered Right Audio Level", "#MEASIDX1": "16", "#MEASIDX2": "5"}, {"#MEASNAME": "Pilot Level", "#MEASIDX1": "16", "#MEASIDX2": "6"}, {"#MEASNAME": "RDS Level", "#MEASIDX1": "16", "#MEASIDX2": "7"}, {"#MEASNAME": "Stereo", "#MEASIDX1": "16", "#MEASIDX2": "8"}, {"#MEASNAME": "RDS", "#MEASIDX1": "16", "#MEASIDX2": "9"}, {"#MEASNAME": "PI Code", "#MEASIDX1": "16", "#MEASIDX2": "10"}, {"#MEASNAME": "MPX Power", "#MEASIDX1": "16", "#MEASIDX2": "11"}, {"#MEASNAME": "RF Level", "#MEASIDX1": "37", "#MEASIDX2": "0"}, {"#MEASNAME": "MPX Level", "#MEASIDX1": "37", "#MEASIDX2": "1"}, {"#MEASNAME": "Left Audio Level", "#MEASIDX1": "37", "#MEASIDX2": "2"}, {"#MEASNAME": "Right Audio Level", "#MEASIDX1": "37", "#MEASIDX2": "3"}, {"#MEASNAME": "CCIR Filtered Left Audio Level", "#MEASIDX1": "37", "#MEASIDX2": "4"}, {"#MEASNAME": "CCIR Filtered Right Audio Level", "#MEASIDX1": "37", "#MEASIDX2": "5"}, {"#MEASNAME": "Pilot Level", "#MEASIDX1": "37", "#MEASIDX2": "6"}, {"#MEASNAME": "RDS Level", "#MEASIDX1": "37", "#MEASIDX2": "7"}, {"#MEASNAME": "Stereo", "#MEASIDX1": "37", "#MEASIDX2": "8"}, {"#MEASNAME": "RDS", "#MEASIDX1": "37", "#MEASIDX2": "9"}, {"#MEASNAME": "PI Code", "#MEASIDX1": "37", "#MEASIDX2": "10"}, {"#MEASNAME": "MPX Power", "#MEASIDX1": "37", "#MEASIDX2": "11"}]

    I've created item prototype with name $1 $2 and item key as silverFM["{#MEASNAME}",{#MEASIDX1}] so basically everything should work, key is unique, right? But I still get "Cannot create item: item with the same key "silverFM["{#MEASNAME}",{#MEASIDX1}]" already exists."
    Already tried to use macronames without numbers, MEASNAME with and without "" at key...
    Basicly what I'm doing is creating snmp-oid with fixed base and then adding MEASIDX1 and MEASIDX2 to get actual value for MEASNAME.

    What am I doing wrong?

    Update. External check is running on proxy(Centos 8.5.2111), Zabbix version is 6.0.7

    Update #2, Ah, I was sooo blind, ofcourse LLD needs to return macro-names within {}, now this works.
    Last edited by markosa; 02-08-2022, 06:56.
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