Table of Contents
> Task object
The following objects are directly related to the task API.
The task object has the following properties:
| Property | Type | Description |
|---|---|---|
| taskid | string | (readonly) ID of the task. |
| type (required) |
integer | Type of the task. Possible values: 1 - Diagnostic information; 2 - Refresh proxy configuration; 6 - Execute now. |
| status | integer | (readonly) Status of the task. Possible values: 1 - new task; 2 - task in progress; 3 - task is completed; 4 - task is expired. |
| clock | timestamp | (readonly) Time when the task was created. |
| ttl | integer | (readonly) The time in seconds after which task expires. |
| proxy_hostid | string | ID of the proxy about which diagnostic information statistic is collected. Ignored for 'Execute now' tasks. |
| request (required) |
object | Task request object according to the task type: Object of 'Execute now' task is described in detail below; Object of 'Refresh proxy configuration' task is described in detail below; Object of 'Diagnostic information' task is described in detail below. |
| result | object | (readonly) Result object of the diagnostic information task. May contain NULL if result is not yet ready. Result object is described in detail below. |
'Execute now' request object
The 'Execute now' task request object has the following properties.
| Property | Type | Description |
|---|---|---|
| itemid | string | ID of item and low-level discovery rules. |
'Refresh proxy configuration' request object
The 'Refresh proxy configuration' task request object has the following properties.
| Property | Type | Description |
|---|---|---|
| proxy_hostids | array | Proxy IDs. |
'Diagnostic information' request object
The diagnostic information task request object has the following properties. Statistic request object for all types of properties is described in detail below.
| Property | Type | Description |
|---|---|---|
| historycache | object | History cache statistic request. Available on server and proxy. |
| valuecache | object | Items cache statistic request. Available on server. |
| preprocessing | object | Preprocessing manager statistic request. Available on server and proxy. |
| alerting | object | Alert manager statistic request. Available on server. |
| lld | object | LLD manager statistic request. Available on server. |
Statistic request object
Statistic request object is used to define what type of information should be collected about server/proxy internal processes. It has the following properties.
| Property | Type | Description |
|---|---|---|
| stats | query | Statistic object properties to be returned. The list of available fields for each type of diagnostic information statistic are described in detail below. Default: extend will return all available statistic fields. |
| top | object | Object to sort and limit returned statistic values. The list of available fields for each type of diagnostic information statistic are described in detail below. Example: { “source.alerts”: 10 } |
List of statistic fields available for each type of diagnostic information request
Following statistic fields can be requested for each type of diagnostic information request property.
| Diagnostic type | Available fields | Description |
|---|---|---|
| historycache | items | Number of cached items. |
| values | Number of cached values. | |
| memory | Shared memory statistics (free space, number of used chunks, number of free chunks, max size of free chunk). | |
| memory.data | History data cache shared memory statistics. | |
| memory.index | History index cache shared memory statistics. | |
| valuecache | items | Number of cached items. |
| values | Number of cached values. | |
| memory | Shared memory statistics (free space, number of used chunks, number of free chunks, max size of free chunk). | |
| mode | Value cache mode. | |
| preprocessing | values | Number of queued values. |
| preproc.values | Number of queued values with preprocessing steps. | |
| alerting | alerts | Number of queued alerts. |
| lld | rules | Number of queued rules. |
| values | Number of queued values. |
List of sorting fields available for each type of diagnostic information request
Following statistic fields can be used to sort and limit requested information.
| Diagnostic type | Available fields | Type |
|---|---|---|
| historycache | values | integer |
| valuecache | values | integer |
| request.values | integer | |
| preprocessing | values | integer |
| alerting | media.alerts | integer |
| source.alerts | integer | |
| lld | values | integer |
Statistic result object
Statistic result object is retrieved in result field of task object.
| Property | Type | Description |
|---|---|---|
| status | integer | (readonly) Status of the task result. Possible values: -1 - error occurred during performing task; 0 - task result is created. |
| data | string/object | Results according the statistic request object of particular diagnostic information task. Contains error message string if error occurred during performing task. |