history.get

Descripción

integer/array history.get(object parameters)

El método permite recuperar datos históricos de acuerdo con los parámetros suministrados.

Este método puede devolver datos históricos de una métrica eliminada si estos datos no han sido eliminados todavía por la tarea de limpieza.

::: nota clásica Este método está disponible para usuarios de cualquier tipo. Permisos llamar al método se puede revocar en la configuración de roles de usuario. Ver Usuario roles para más información. :::

Parameters

(object) Parameters defining the desired output.

The method supports the following parameters.

Parameter	Type	Description
history	integer	History object types to return. Possible values: 0 - numeric float; 1 - character; 2 - log; 3 - numeric unsigned; 4 - text. Default: 3.
hostids	string/array	Return only history from the given hosts.
itemids	string/array	Return only history from the given items.
time_from	timestamp	Return only values that have been received after or at the given time.
time_till	timestamp	Return only values that have been received before or at the given time.
sortfield	string/array	Sort the result by the given properties. Possible values are: `itemid` and `clock`.
countOutput	boolean	These parameters being common for all `get` methods are described in detail in the reference commentary page.
editable	boolean
excludeSearch	boolean
filter	object
limit	integer
output	query
search	object
searchByAny	boolean
searchWildcardsEnabled	boolean
sortorder	string/array
startSearch	boolean

Valores de retorno

(entero/matriz) Devuelve:

una matriz de objetos;
el recuento de objetos recuperados, si el parámetro countOutput ha sido usado.

Ejemplos

Retrieving item history data

Return 10 latest values received from a numeric(float) item.

Request:

{
           "jsonrpc": "2.0",
           "method": "history.get",
           "params": {
               "output": "extend",
               "history": 0,
               "itemids": "23296",
               "sortfield": "clock",
               "sortorder": "DESC",
               "limit": 10
           },
           "auth": "038e1d7b1735c6a5436ee9eae095879e",
           "id": 1
       }

Response:

{
           "jsonrpc": "2.0",
           "result": [
               {
                   "itemid": "23296",
                   "clock": "1351090996",
                   "value": "0.085",
                   "ns": "563157632"
               },
               {
                   "itemid": "23296",
                   "clock": "1351090936",
                   "value": "0.16",
                   "ns": "549216402"
               },
               {
                   "itemid": "23296",
                   "clock": "1351090876",
                   "value": "0.18",
                   "ns": "537418114"
               },
               {
                   "itemid": "23296",
                   "clock": "1351090816",
                   "value": "0.21",
                   "ns": "522659528"
               },
               {
                   "itemid": "23296",
                   "clock": "1351090756",
                   "value": "0.215",
                   "ns": "507809457"
               },
               {
                   "itemid": "23296",
                   "clock": "1351090696",
                   "value": "0.255",
                   "ns": "495509699"
               },
               {
                   "itemid": "23296",
                   "clock": "1351090636",
                   "value": "0.36",
                   "ns": "477708209"
               },
               {
                   "itemid": "23296",
                   "clock": "1351090576",
                   "value": "0.375",
                   "ns": "463251343"
               },
               {
                   "itemid": "23296",
                   "clock": "1351090516",
                   "value": "0.315",
                   "ns": "447947017"
               },
               {
                   "itemid": "23296",
                   "clock": "1351090456",
                   "value": "0.275",
                   "ns": "435307141"
               }
           ],
           "id": 1
       }

Fuente

CHistory::get() en ui/include/classes/api/services/CHistory.php.

Documentation