Help Center/ Cloud Backup and Recovery/ API Reference/ CBR APIs/ Tasks/ Querying a Single Task

Updated on 2026-08-10 GMT+08:00

Querying a Single Task

Function

This API is used to query a task by task ID.

Debugging

You can debug this API through automatic authentication in API Explorer or use the SDK sample code generated by API Explorer.

Authorization Information

Each account has all the permissions required to call all APIs, but IAM users must be assigned the required permissions.

If you are using role/policy-based authorization, see Permissions Policies and Supported Actions for details on the required permissions.
If you are using identity policy-based authorization, no identity policy-based permission required for calling this API.

URI

GET /v3/{project_id}/operation-logs/{operation_log_id}

**Table 1** Path Parameters
Parameter	Mandatory	Type	Description
operation_log_id	Yes	String	Definition Task ID. For details about how to obtain the task ID, see Querying the Task List. Constraints N/A Range N/A Default Value N/A
project_id	Yes	String	Definition Project ID. For details about how to obtain the project ID, see Obtaining a Project ID. Constraints N/A Range N/A Default Value N/A

Request Parameters

**Table 2** Request header parameters
Parameter	Mandatory	Type	Description
X-Auth-Token	Yes	String	Definition User token. You can obtain it by calling the IAM API for obtaining a user token. The value of X-Subject-Token in the response header is the user token. Constraints N/A Range N/A Default Value N/A

Response Parameters

Status code: 200

**Table 3** Response body parameters
Parameter	Type	Description
operation_log	OperationLog object	Task information

**Table 4** OperationLog
Parameter	Type	Description
checkpoint_id	String	Definition Backup record ID. Range N/A
created_at	String	Creation time, for example, 2020-02-23T01:00:32Z
ended_at	String	Task end time, for example, 2020-02-23T01:00:32Z
error_info	OpErrorInfo object	Task error message
extra_info	OpExtraInfo object	Task extension information
id	String	Definition Task ID, which is the operation_log ID. Range N/A
operation_type	String	Definition Task type. Range backup copy replication: cross-region replication restore delete sync vault_delete remove_resource migrate_resources update_expiration_time: existing retention rule update
policy_id	String	Definition Policy ID. For details about how to obtain the policy ID, see Querying the Policy List. Range N/A
project_id	String	Definition Project ID. For details about how to obtain the project ID, see Obtaining a Project ID. Range N/A
provider_id	String	Definition Backup provider ID, which indicates what resources are backed up. Range The provider_id value varies depending on the backup type: Cloud server backup: 0daac4c5-6707-4851-97ba-169e36266b66 Cloud disk backup: d1603440-187d-4516-af25-121250c7cc97 Hybrid cloud backup: a13639de-00be-4e94-af30-26912d75e4a2 Cloud database backup: 8466a52f-e22a-4e59-b4c7-802bbe5a4985 SFS Turbo backup: 3f3c3220-245c-4805-b811-758870015881 Cloud desktop backup: 86a80900-71bf-4961-956a-d52df944f84a File system backup: 85b8590b-a942-4667-ac39-8a4ece2292c0
started_at	String	Task start time, for example, 2020-02-23T01:00:32Z
status	String	Definition Task status. Range success skipped failed running timeout waiting
updated_at	String	Modification time, for example, 2020-02-23T01:00:32Z
vault_id	String	Definition ID of the vault to which the task resource belongs. Range N/A
vault_name	String	Definition Name of the vault to which the task resource belongs. Range N/A

**Table 5** OpErrorInfo
Parameter	Type	Description
code	String	For details, see Error Codes.
message	String	Error message

**Table 6** OpExtraInfo
Parameter	Type	Description
backup	OpExtendInfoBckup object	Extended parameters of backup
common	OpExtendInfoCommon object	Common parameters
delete	OpExtendInfoDelete object	Extended parameters of deletion
sync	OpExtendInfoSync object	Extended parameters of synchronization
remove_resources	OpExtendInfoRemoveResources object	Extended parameters of removing resources from a vault
replication	OpExtendInfoReplication object	Extended parameters of replication
resource	Resource object	Resource information
restore	OpExtendInfoRestore object	Extended parameters of restoration
vault_delete	OpExtendInfoVaultDelete object	Extended parameters of deleting a vault
update_expiration_time	OpExtendInfoUpdateExpirationTime object	Updating the expiration information.

**Table 7** OpExtendInfoBckup
Parameter	Type	Description
app_consistency_error_code	String	Error code returned if application-consistent backup fails. For details, see Error Codes.
app_consistency_error_message	String	Error message returned if application-consistent backup fails
app_consistency_status	String	Definition Application-consistent backup status. Range 0: non-application consistent backup 1: application-consistent backup
backup_id	String	Definition Backup ID. Range N/A For details, see Querying All Backups.
backup_name	String	Definition Backup name. Range The value can contain a maximum of 64 characters, including only digits, uppercase letters, lowercase letters, underscores (_), and hyphens (-). Default value: N/A
incremental	String	Definition Whether the backup is an incremental backup. Range true: an incremental backup false: not an incremental backup

**Table 8** OpExtendInfoCommon
Parameter	Type	Description
progress	Integer	Progress of the query task. The value ranges from 0 to 100.
request_id	String	Definition Request ID. Range N/A
task_id	String	Definition Backup task ID. For details about how to obtain the task ID, see Querying the Task List. Range N/A

**Table 9** OpExtendInfoDelete
Parameter	Type	Description
backup_id	String	Backup ID. Default value: N/A For details, see Querying All Backups.
backup_name	String	Backup name. The value can contain a maximum of 64 characters, including digits, uppercase letters, lowercase letters, underscores (_), and hyphens (-). Default value: N/A

**Table 10** OpExtendInfoSync
Parameter	Type	Description
sync_backup_num	Integer	Number of synchronized backups
delete_backup_num	Integer	Number of deleted backups
err_sync_backup_num	Integer	Number of backups that failed to be synchronized

**Table 11** OpExtendInfoRemoveResources
Parameter	Type	Description
fail_count	Integer	Number of resources that fail to be deleted
total_count	Integer	Number of deleted backups
resources	Array of Resource objects	Resource information

**Table 12** Resource
Parameter	Type	Description
extra_info	ResourceExtraInfo object	Extra information of the resource
id	String	ID of the resource to be backed up. The resource must have been associated with the vault and can be backed up. Default value: N/A For details about how to obtain the ID, see Querying Information About the Resources Associated with a Vault and Querying Protectable Resources.
name	String	Name of the resource to be backed up. The value can contain a maximum of 255 characters. Default value: N/A
type	String	Type of the resource to be backed up: OS::Nova::Server: ECS; OS::Cinder::Volume: EVS disks; OS::Ironic::BareMetalServer: Bare Metal Servers; OS::Sfs::Turbo: SFS Turbo file systems; OS::Workspace::DesktopV2: Workspaces Default value: N/A

**Table 13** OpExtendInfoReplication
Parameter	Type	Description
destination_backup_id	String	ID of the backup in the destination region. Default value: N/A For details about how to obtain the backup ID, see Obtaining a Backup ID, where project_id is the project ID of the destination region.
destination_checkpoint_id	String	Destination checkpoint ID
destination_project_id	String	ID of the project in the destination region. Default value: N/A For details about how to obtain the project ID, see Obtaining a Project ID.
destination_region	String	Destination region. Default value: N/A For details about how to obtain the region ID, see Querying Regions and Endpoints.
source_backup_id	String	ID of the backup at the source end. Default value: N/A For details about how to obtain the backup ID, see Obtaining a Backup ID, where project_id is the project ID of the source end.
source_checkpoint_id	String	Source checkpoint ID
source_project_id	String	ID of the project in the source region. Default value: N/A For details about how to obtain the project ID, see Obtaining a Project ID.
source_region	String	Source region. Default value: N/A For details about how to obtain the region ID, see Querying Regions and Endpoints.
source_backup_name	String	Source backup name
destination_backup_name	String	Destination backup name

**Table 14** ResourceExtraInfo
Parameter	Type	Description
exclude_volumes	Array of strings	Definition IDs of the disks that do not need to be backed up. This parameter is valid only for multi-disk backup to specify disks that do not need to be backed up. When a disk is newly attached to a VM, existing disks that do not need to be backed up can also be excluded. Range N/A

**Table 15** OpExtendInfoRestore
Parameter	Type	Description
backup_id	String	ID of the backup replica. Default value: N/A For details about how to obtain the backup ID, see Obtaining a Backup ID.
backup_name	String	Backup name. The value can contain a maximum of 64 characters, including digits, uppercase letters, lowercase letters, underscores (_), and hyphens (-). Default value: N/A
target_resource_id	String	Definition ID of the restoration target resource. Range The value is in the UUID format. Default value: N/A
target_resource_name	String	Definition Name of the restoration target resource. Range N/A

**Table 16** OpExtendInfoVaultDelete
Parameter	Type	Description
fail_count	Integer	Number of resources that fail to be deleted in this task
total_count	Integer	Number of backups deleted in this task

**Table 17** OpExtendInfoUpdateExpirationTime
Parameter	Type	Description
affected_backups_count	Integer	Number of affected backups in this task.
expiration_day	String	Expected expiration time of this task. The format is YYYY-MM-DD.

Status code: 404

**Table 18** Response body parameters
Parameter	Type	Description
error_code	String	For details, see Error Codes.
error_msg	String	Error message

Example Requests

GET https://{endpoint}/v3/{project_id}/operation-logs/{operation_log_id}

Example Responses

Status code: 200

{
  "operation_log" : {
    "status" : "success",
    "provider_id" : "0daac4c5-6707-4851-97ba-169e36266b66",
    "checkpoint_id" : "b432511f-d889-428f-8b0e-5f47c524c6b6",
    "updated_at" : "2019-05-23T14:35:23.584+00:00",
    "error_info" : {
      "message" : "",
      "code" : ""
    },
    "started_at" : "2019-05-23T14:31:36.007+00:00",
    "id" : "4827f2da-b008-4507-ab7d-42d0df5ed912",
    "extra_info" : {
      "resource" : {
        "type" : "OS::Nova::Server",
        "id" : "1dab32fa-ebf2-415a-ab0b-eabe6353bc86",
        "name" : "ECS-0001"
      },
      "backup" : {
        "backup_name" : "manualbk_1234",
        "backup_id" : "0e5d0ef6-7f0a-4890-b98c-cb12490e31c1"
      },
      "common" : {
        "progress" : 100,
        "request_id" : "req-cdb98cc4-e87b-4f40-9b4a-57ec036620bc"
      }
    },
    "ended_at" : "2019-05-23T14:35:23.511+00:00",
    "created_at" : "2019-05-23T14:31:36.039+00:00",
    "operation_type" : "backup",
    "project_id" : "04f1829c788037ac2fb8c01eb2b04b95"
  }
}

Status code: 404

The task ID does not exist.

{
  "error_code" : "BackupService.6500",
  "error_msg" : "Operation log does not exist."
}

Status Codes

Status Code	Description
200	OK
404	The task ID does not exist.

Error Codes

See Error Codes.

Parent topic: Tasks

Previous topic: Tasks

Next topic: Querying the Task List

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