Description
You can call this operation to roll back all failed subtasks of a task.
Call description
Prerequisite
You have the TASK_MANAGER permissions.
Request path
POST /api/v2/tasks/instances/{taskInstanceId}/rollback
Request parameters
| Parameter | Type | Required | Example value | Description |
|---|---|---|---|---|
| taskInstanceId | Long | Yes | 1000 | The ID of the task instance. |
Response parameters
| Parameter | Type | Description |
|---|---|---|
| data | Object | The data requested by the WrappedTaskInstance object. |
| successful | Boolean | Indicates whether the request was successful. |
| timestamp | Datetime | The timestamp when the server completed the request. |
| duration | Integer | The time taken by the server to process the request, in milliseconds. |
| status | Integer | An HTTP status code. |
| traceId | String | The trace ID of the request. This trace ID is used for troubleshooting. |
| server | String | The address of the application server that responded to the request. |
| data | Object | The data requested by the SubtaskInstance object. |
| successful | Boolean | Indicates whether the request was successful. |
| timestamp | Datetime | The timestamp when the server completed the request. |
| duration | Integer | The time taken by the server to process the request, in milliseconds. |
| status | Integer | An HTTP status code. |
Data structure of WrappedTaskInstance
| Parameter | Type | Description |
|---|---|---|
| id | Long | The ID of the software package. |
| name | String | The name of the software package. |
| taskDefinitionId | Long | The ID of the task definition. |
| ├─ cluster | Object | The cluster information. |
| ├─ id | Long | The ID of the OceanBase cluster generated by the OCP system. |
| ├─ name | String | The name of the OceanBase cluster. |
| ├─ obClusterId | Long | The ID of the OceanBase cluster generated by the OceanBase Database system. |
| ├─ type | String | The type of the OceanBase cluster. Valid values: * PRIMARY * STANDBY |
| ├─ tenant | Object | The tenant information. |
| ├─ id | Long | The ID of the tenant generated by the OCP system.. |
| ├─ name | String | The name of the tenant. |
| ├─ obTenantId | Long | The ID of the tenant generated by the OceanBase Database system. |
| ├─ mode | String | The mode of the tenant. Valid values: * ORACLE * MYSQL |
| ├─ creator | Object | The information about the task creator. |
| ├─ id | Long | The ID of the creator. |
| ├─ name | String | The username of the creator. |
| status | Integer | The status of the task. Valid values: * RUNNING * FAILED * SUCCESSFUL |
| type | String | The type of the task. Valid values: * MANUAL: indicates a manually initiated task. * SYS_ONECE: indicates a one-time task executed by the system. * SCHEDULED: indicates a non-built-in scheduled task. * SYS_SCHEDULED: indicates a built-in scheduled task. |
| operation | String | The operation performed by the task. Valid values: * EXECUTE * RETRY * ROLLBACK * SKIP * CANCEL |
| executor | String | The host that executed the task. |
| prohibitRollback | Boolean | Indicates whether rollback was supported by the task. |
| subtasks | ObjectArray | The SubtaskInstance array, which contains the information of all subtasks. |
| createTime | String | The time when the task was created. |
| startTime | String | The start time of the task. |
| finishTime | String | The end time of the task. |
Data structure of SubtaskInstance
| Parameter | Type | Description |
|---|---|---|
| id | Long | The ID of the subtask instance. |
| name | String | The name of the subtask. |
| seriesId | Long | The serial number of the subtask. |
| description | String | The description of the subtask. |
| timeout | Integer | The timeout period of the subtask, in seconds. |
| status | String | The status of the subtask. Valid values: * PENDING * READY * RUNNING * CANCELING * FAILED * SUCCESSFUL |
| operation | String | The operation performed by the subtask. Valid values: * EXECUTE * RETRY * ROLLBACK * SKIP * CANCEL |
| executor | String | The node that executed the subtask. |
| runTime | Integer | The number of executions of the subtask. |
| nodeType | String | The node type, for example, JAVA_TASK. |
| paralleIdx | Integer | The index of a parallel subtask. -1 indicates that the subtask is not a parallel subtask. |
| upstreams | LongArray | The IDs of upstream subtasks. |
| downstream | LongArray | The IDs of downstream subtasks. |
| prohibitRollback | Boolean | Indicates whether rollback was supported by the subtask. |
| createTime | String | The time when the subtask was created. |
| startTime | String | The start time of the subtask. |
| finishTime | String | The end time of the subtask. |
Examples
Sample request
POST /api/v2/tasks/instances/100/rollback
Sample response
{
"data": {
"createTime": "2021-08-25T15:09:31+08:00",
"creator": {
"id": 100,
"name": "admin"
},
"executor": "xxx.xxx.xxx.xxx",
"finishTime": "2021-08-25T15:09:54.067+08:00",
"id": 35000312,
"name": "Reinstall OCP agent",
"operation": "EXECUTE",
"prohibitRollback": false,
"startTime": "2021-08-25T15:09:31.74+08:00",
"status": "SUCCESSFUL",
"subtasks": [
{
"createTime": "2021-08-25T15:09:31+08:00",
"description": "Install ocp agent",
"downstreams": [
13000334
],
"executor": "xxx.xxx.xxx.xxx",
"finishTime": "2021-08-25T15:09:52.182+08:00",
"id": 13000336,
"name": "Install ocp agent",
"nodeType": "JAVA_TASK",
"operation": "EXECUTE",
"parallelIdx": -1,
"prohibitRollback": false,
"runTime": 1,
"seriesId": 0,
"startTime": "2021-08-25T15:09:36.821+08:00",
"status": "SUCCESSFUL",
"timeout": 5400,
"upstreams": [
13000333
]
},
{
"createTime": "2021-08-25T15:09:31+08:00",
"description": "Finish reinstalling OCP agent",
"downstreams": [],
"executor": "xxx.xxx.xxx.xxx",
"finishTime": "2021-08-25T15:09:53.252+08:00",
"id": 13000334,
"name": "Finish reinstalling OCP agent",
"nodeType": "JAVA_TASK",
"operation": "EXECUTE",
"parallelIdx": -1,
"prohibitRollback": false,
"runTime": 1,
"seriesId": 1,
"startTime": "2021-08-25T15:09:53.062+08:00",
"status": "SUCCESSFUL",
"timeout": 60,
"upstreams": [
13000336
]
},
{
"createTime": "2021-08-25T15:09:31+08:00",
"description": "Uninstall ocp agent",
"downstreams": [
13000336
],
"executor": "xxx.xxx.xxx.xxx",
"finishTime": "2021-08-25T15:09:35.626+08:00",
"id": 13000333,
"name": "Uninstall ocp agent",
"nodeType": "JAVA_TASK",
"operation": "EXECUTE",
"parallelIdx": -1,
"prohibitRollback": false,
"runTime": 1,
"seriesId": 2,
"startTime": "2021-08-25T15:09:33.732+08:00",
"status": "SUCCESSFUL",
"timeout": 1800,
"upstreams": [
13000335
]
},
{
"createTime": "2021-08-25T15:09:31+08:00",
"description": "Prepare reinstalling OCP agent",
"downstreams": [
13000333
],
"executor": "xxx.xxx.xxx.xxx",
"finishTime": "2021-08-25T15:09:33.082+08:00",
"id": 13000335,
"name": "Prepare reinstalling OCP agent",
"nodeType": "JAVA_TASK",
"operation": "EXECUTE",
"parallelIdx": -1,
"prohibitRollback": false,
"runTime": 1,
"seriesId": 3,
"startTime": "2021-08-25T15:09:32.688+08:00",
"status": "SUCCESSFUL",
"timeout": 60,
"upstreams": []
}
],
"taskDefinitionId": -1,
"type": "MANUAL"
},
"duration": 55,
"server": "xxx.xxx.xxx.xxx",
"status": 200,
"successful": true,
"timestamp": "2021-08-25T15:10:13.176+08:00",
"traceId": "0bc49000675d41af"
}
