Table of Contents
discoveryrule.get
Description
integer/array discoveryrule.get(object parameters)
The method allows to retrieve LLD rules according to the given parameters.
Parameters
(object) Parameters defining the desired output.
The method supports the following parameters.
| Parameter | Type | Description |
|---|---|---|
| itemids | string/array | Return only LLD rules with the given IDs. |
| hostids | string/array | Return only LLD rules that belong to the given hosts. |
| inherited | boolean | If set to true return only LLD rules inherited from a template. |
| interfaceids | string/array | Return only LLD rules use the given host interfaces. |
| monitored | boolean | If set to true return only enabled LLD rules that belong to monitored hosts. |
| templated | boolean | If set to true return only LLD rules that belong to templates. |
| templateids | string/array | Return only LLD rules that belong to the given templates. |
| selectFilter | query | Returns the filter used by the LLD rule in the filter property. |
| selectGraphs | query | Returns graph prototypes that belong to the LLD rule in the graphs property.Supports count. |
| selectHostPrototypes | query | Returns host prototypes that belong to the LLD rule in the hostPrototypes property.Supports count. |
| selectHosts | query | Returns the host that the LLD rule belongs to as an array in the hosts property. |
| selectItems | query | Returns item prototypes that belong to the LLD rule in the items property.Supports count. |
| selectTriggers | query | Returns trigger prototypes that belong to the LLD rule in the triggers property.Supports count. |
| filter | object | Return only those results that exactly match the given filter. Accepts an array, where the keys are property names, and the values are either a single value or an array of values to match against. Supports additional filters: host - technical name of the host that the LLD rule belongs to. |
| limitSelects | integer | Limits the number of records returned by subselects. Applies to the following subselects: selctItems;selectGraphs;selectTriggers. |
| sortfield | string/array | Sort the result by the given properties. Possible values are: itemid, name, key_, delay, type and status. |
| countOutput | boolean | These parameters being common for all get methods are described in detail in the reference commentary. |
| editable | boolean | |
| excludeSearch | boolean | |
| limit | integer | |
| output | query | |
| preservekeys | boolean | |
| search | object | |
| searchByAny | boolean | |
| searchWildcardsEnabled | boolean | |
| sortorder | string/array | |
| startSearch | boolean |
Return values
(integer/array) Returns either:
- an array of objects;
- the count of retrieved objects, if the
countOutputparameter has been used.
Examples
Retrieving discovery rules from a host
Retrieve all discovery rules from host "10202".
Request:
{
"jsonrpc": "2.0",
"method": "discoveryrule.get",
"params": {
"output": "extend",
"hostids": "10202"
},
"auth": "038e1d7b1735c6a5436ee9eae095879e",
"id": 1
}Response:
{
"jsonrpc": "2.0",
"result": [
{
"itemid": "27425",
"type": "0",
"snmp_community": "",
"snmp_oid": "",
"hostid": "10202",
"name": "Network interface discovery",
"key_": "net.if.discovery",
"delay": "1h",
"state": "0",
"status": "0",
"trapper_hosts": "",
"snmpv3_securityname": "",
"snmpv3_securitylevel": "0",
"snmpv3_authpassphrase": "",
"snmpv3_privpassphrase": "",
"error": "",
"templateid": "22444",
"params": "",
"ipmi_sensor": "",
"authtype": "0",
"username": "",
"password": "",
"publickey": "",
"privatekey": "",
"interfaceid": "119",
"port": "",
"description": "Discovery of network interfaces as defined in global regular expression \"Network interfaces for discovery\".",
"lifetime": "30d",
"snmpv3_authprotocol": "0",
"snmpv3_privprotocol": "0"
},
{
"itemid": "27426",
"type": "0",
"snmp_community": "",
"snmp_oid": "",
"hostid": "10202",
"name": "Mounted filesystem discovery",
"key_": "vfs.fs.discovery",
"delay": "1h",
"state": "0",
"status": "0",
"trapper_hosts": "",
"snmpv3_securityname": "",
"snmpv3_securitylevel": "0",
"snmpv3_authpassphrase": "",
"snmpv3_privpassphrase": "",
"error": "",
"templateid": "22450",
"params": "",
"ipmi_sensor": "",
"authtype": "0",
"username": "",
"password": "",
"publickey": "",
"privatekey": "",
"interfaceid": "119",
"port": "",
"description": "Discovery of file systems of different types as defined in global regular expression \"File systems for discovery\".",
"lifetime": "30d",
"snmpv3_authprotocol": "0",
"snmpv3_privprotocol": "0"
}
],
"id": 2
}Retrieving filter conditions
Retrieve the name of the LLD rule "24681" and its filter conditions. The filter uses the "and" evaluation type, so the formula property is empty and eval_formula is generated automatically.
Request:
{
"jsonrpc": "2.0",
"method": "discoveryrule.get",
"params": {
"output": [
"name"
],
"selectFilter": "extend",
"itemids": ["24681"]
},
"auth": "038e1d7b1735c6a5436ee9eae095879e",
"id": 1
}Response:
{
"jsonrpc": "2.0",
"result": [
{
"itemid": "24681",
"name": "Filtered LLD rule",
"filter": {
"evaltype": "1",
"formula": "",
"conditions": [
{
"macro": "{#MACRO1}",
"value": "@regex1",
"operator": "8",
"formulaid": "A"
},
{
"macro": "{#MACRO2}",
"value": "@regex2",
"operator": "8",
"formulaid": "B"
},
{
"macro": "{#MACRO3}",
"value": "@regex3",
"operator": "8",
"formulaid": "C"
}
],
"eval_formula": "A and B and C"
}
}
],
"id": 1
}See also
Source
CDiscoveryRule::get() in frontends/php/include/classes/api/services/CDiscoveryRule.php.