API calls return empty Inventory array

[Martin Law]

Hi Everyone,

I've been trying to request inventory asset tag data with the API but i keey getting empty arrays. Does anyone else get this issue or am i doing something wrong?
i keep getting empty arrays, no matter what inventory field i try to request.

PHP Code

function RequestServers($Server){
    global $AuthKey;
    $url = "https://$Server/zabbix/api_jsonrpc.php";
  
    $headers = array();
    $headers[] = "Content-Type: application/json";
    $POSTdata = array();
    $POSTdata["method"] = "host.get";
    $POSTdata["jsonrpc"] = "2.0";
    $POSTdata["id"] = 2;
    $POSTdata["auth"] = $AuthKey;
    $POSTdata["params"]["output"] = "extend";
    $POSTdata["params"]["selectInventory"] = "asset_tag";
    $POSTjson = json_encode($POSTdata);
    $ArrResponse = APIcallPOST($url, $headers, $POSTjson);
    $data = $ArrResponse;
  
    return $data;
}​ 

Returned data for 1 server (Json), inventory array is at the back of the data:

[0]=> array(27) { ["hostid"]=> string(5) "10352" ["proxy_hostid"]=> string(5) "10326" ["host"]=> string(11) "V-ADConnect" ["status"]=> string(1) "1" ["lastaccess"]=> string(1) "0" ["ipmi_authtype"]=> string(2) "-1" ["ipmi_privilege"]=> string(1) "2" ["ipmi_username"]=> string(0) "" ["ipmi_password"]=> string(0) "" ["maintenanceid"]=> string(1) "0" ["maintenance_status"]=> string(1) "0" ["maintenance_type"]=> string(1) "0" ["maintenance_from"]=> string(1) "0" ["name"]=> string(11) "V-ADConnect" ["flags"]=> string(1) "0" ["templateid"]=> string(1) "0" ["description"]=> string(24) "word opgekuist binnekort" ["tls_connect"]=> string(1) "1" ["tls_accept"]=> string(1) "1" ["tls_issuer"]=> string(0) "" ["tls_subject"]=> string(0) "" ["proxy_address"]=> string(0) "" ["auto_compress"]=> string(1) "1" ["custom_interfaces"]=> string(1) "0" ["uuid"]=> string(0) "" ["inventory_mode"]=> string(1) "0" [B]["inventory"]=> array(0) { }[/B] }

[Markku]

This is in Python but shows your problem:

>>> host = zapi.host.get(filter={"host":"Testhost"}, output="extend", selectInventory="asset_tag")[0]
>>> host["inventory"]
[]

= selectInventory set to a string "asset_tag" causes the call to return empty inventory.

But:

>>> host = zapi.host.get(filter={"host":"Testhost"}, output="extend", selectInventory=["asset_tag"])[0]
>>> host["inventory"]
{'asset_tag': 'testing'}

= selectInventory set to a list of strings causes it to return the correct inventory property.

Markku

[Martin Law]

Hi Markku,

That works indeed, thanks for the tip.
So the inventory items need to be listed in an array instead of a string.

[cyber]

Hi Markku,

That works indeed, thanks for the tip.
So the inventory items need to be listed in an array instead of a string.

selectInventory

query

Return an inventory property with host inventory data.

It returns whole inventory (query), so it is an array... you just need to select, which fields you need to be shown... you can return multiple inventory values at once with this, if you specify multiple values to be returned...