using Javascript preprocessing failed

[walter]

The case is to collect SNMP information on the Supermicro server. I get value in Hex-string instead of string.

#snmpwalk -v2c -c zabbix 10.110.55.23 1.3.6.1.4.1.25506.13.1.2.1.2.2.1.1.3.1 
iso.3.6.1.4.1.25506.13.1.2.1.2.2.1.1.3.1 = Hex-STRING: 30 31 2D 49 6E 6C 65 74 20 54 65 6D 70 00 00 00 
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 
#snmpwalk -Oa -v2c -c zabbix 10.110.55.23 1.3.6.1.4.1.25506.13.1.2.1.2.2.1.1.3.1 
iso.3.6.1.4.1.25506.13.1.2.1.2.2.1.1.3.1 = STRING: "01-Inlet Temp..................................................."

I try to make the result right, using Javascript preprocessing on LLD.
This article helps me a lot, but the script can't work for me:

https://support.zabbix.com/browse/ZBXNEXT-505

The data I want to parse():

{
    "data": [
        {
            "{#SNMPINDEX}": "1",
            "{#SENSOR}": "30 33 2D 43 50 55 20 32 00 00 00 00 00 00"
        },
        {
            "{#SNMPINDEX}": "2",
            "{#SENSOR}": "30 35 2D 43 50 55 20 32 20 44 54 53 00 00"
        },
        {
            "{#SNMPINDEX}": "3",
            "{#SENSOR}": "30 38 2D 50 32 20 44 49 4D 4D 20 43 68 31"
        }
    ]
}

the result I wish for:

{
    "data": [
        {
            "{#SNMPINDEX}": "1",
            "{#SENSOR}": "03-CPU 2"
        },
        {
            "{#SNMPINDEX}": "2",
            "{#SENSOR}": "05-CPU 2 DTS"
        },
        {
            "{#SNMPINDEX}": "3",
            "{#SENSOR}": "08-P2 DIMM Ch1"
        }

    ]
}

I want to use {#SENSOR} as a part of my item name.
I use this scripts:

tmp = eval('('+value+')');
for(var p in tmp["data"]){
    str = "";
    for(var i = 0, nums = tmp["data"][p]["{#SENSOR}"].split(" "); i < nums.length; i++)
        str += String.fromCharCode(parseInt(nums[i], 16))
    tmp["data"][p]["{#SENSOR}"] = str;
}
return JSON.stringify(tmp)
[URL="https://support.zabbix.com/browse/ZBXNEXT-505"][/URL]

when test item preprocessing on zabbix page, it looks like successful:


But I still get the {#SENSOR} with Hex-string.

How can I check the real return on LLD, in the zabbix official sites, it seems like:

https://www.zabbix.com/documentation/current/manual/discovery/low_level_discovery/snmp_oids

{ "data": [ { "{#SNMPINDEX}": "1", "{#IFDESCR}": "WAN", "{#IFPHYSADDRESS}": "8:0:27:90:7a:75" }, { "{#SNMPINDEX}": "2", "{#IFDESCR}": "LAN1", "{#IFPHYSADDRESS}": "8:0:27:90:7a:76" }, { "{#SNMPINDEX}": "3", "{#IFDESCR}": "LAN2", "{#IFPHYSADDRESS}": "8:0:27:2b:af:9e" } ] }