On this page
discoveryrule.exists
Description
boolean discoveryrule.exists(object filter)
This method checks if at least one LLD rule that matches the given filter criteria exists.
Parameters
(object) Criteria to search by.
The following parameters are supported as search criteria.
| Parameter | Type | Description |
|---|---|---|
| key_ (required) |
string/array | Keys of the LLD rules. |
| host | string/array | Names of the hosts that the LLD rules must belong to. |
| hostid | string/array | IDs of the hosts that the LLD rules must belong to. |
| node | string | Name of the node the LLD rules must belong to. This will override the nodeids parameter. |
| nodeids | string/array | IDs of the nodes the LLD rules must belong to. |
Return values
(boolean) Returns true if at least one LLD rule that matches the
given filter criteria exists.
Examples
Checking if an LLD rule exists on a host
Check if the LLD rule with the key "vfs.fs.discovery" exists on host "Zabbix server".
Request:
{
"jsonrpc": "2.0",
"method": "discoveryrule.exists",
"params": {
"host": "Zabbix server",
"key_": "vfs.fs.discovery"
},
"auth": "3a57200802b24cda67c4e4010b50c065",
"id": 1
}
Response:
{
"jsonrpc": "2.0",
"result": true,
"id": 1
}
See also
Source
CDiscoveryRule::exists() in frontends/php/api/classes/CDiscoveryRule.php.