Updated on 2023-12-14 GMT+08:00

Querying the Job Template List

Function

This API is used to query the job template list.

URI

  • URI format

    GET /v3/{project_id}/templates?type=spark

  • Parameter description
    Table 1 URI parameter

    Parameter

    Mandatory

    Type

    Description

    project_id

    Yes

    String

    Project ID, which is used for resource isolation. For details about how to obtain its value, see Obtaining a Project ID.

    Table 2 query parameters

    Parameter

    Mandatory

    Type

    Description

    type

    Yes

    String

    Template type.

    Available values:

    • SPARK: Spark template

    Currently, only Spark templates are supported.

    keyword

    No

    String

    Keyword used for searching for template names. Fuzzy match is supported.

    page-size

    No

    Integer

    Maximum number of lines displayed on each page. Value range: [1, 100]. The default value is 50.

    current-page

    No

    Integer

    Current page number. The default value is 1.

Request

None

Response

Table 3 Parameters

Parameter

Type

Description

is_success

Boolean

Whether the request is successfully executed. Value true indicates that the request is successfully executed.

message

String

System prompt. If execution succeeds, the message may be left blank.

count

Integer

Number of returned templates

templates

Array of Objects

Template information list. For details, see Table 4.

Table 4 templates parameters

Parameter

Type

Description

type

String

Template type

id

String

Template ID

name

String

Template name

body

Object

Template content. For details, see Table 5.

group

String

Template group

description

String

Description of the template

language

String

Language

owner

String

Creator of the template

Table 5 body parameters

Parameter

Type

Description

file

String

Name of the package that is of the JAR or pyFile type and has been uploaded to the DLI resource management system. You can also specify an OBS path, for example, obs://Bucket name/Package name.

className

String

Java/Spark main class of the template.

cluster_name

String

Queue name. Set this parameter to the created DLI queue name.

NOTE:

You are advised to use the queue parameter. The queue and cluster_name parameters cannot coexist.

args

Array of Strings

Input parameters of the main class, that is, application parameters.

sc_type

String

Compute resource type. Currently, resource types A, B, and C are available. If this parameter is not specified, the minimum configuration (type A) is used. For details about resource types, see Table 3.

jars

Array of Strings

Name of the package that is of the JAR type and has been uploaded to the DLI resource management system. You can also specify an OBS path, for example, obs://Bucket name/Package name.

pyFiles

Array of Strings

Name of the package that is of the PyFile type and has been uploaded to the DLI resource management system. You can also specify an OBS path, for example, obs://Bucket name/Package name.

files

Array of Strings

Name of the package that is of the file type and has been uploaded to the DLI resource management system. You can also specify an OBS path, for example, obs://Bucket name/Package name.

modules

Array of Strings

Name of the dependent system resource module. You can view the module name using the API related to Querying Resource Packages in a Group (Discarded).

DLI provides dependencies for executing datasource jobs. The following table lists the dependency modules corresponding to different services.
  • CloudTable/MRS HBase: sys.datasource.hbase
  • CloudTable/MRS OpenTSDB: sys.datasource.opentsdb
  • RDS MySQL: sys.datasource.rds
  • RDS Postgre: preset
  • DWS: preset
  • CSS: sys.datasource.css

resources

Array of Objects

JSON object list, including the name and type of the JSON package that has been uploaded to the queue. For details, see Table 4.

groups

Array of Objects

JSON object list, including the package group resource. For details about the format, see the request example. If the type of the name in resources is not verified, the package with the name exists in the group. For details, see Table 5.

conf

Object

Batch configuration item. For details, see Spark Configuration.

name

String

Batch processing task name. The value contains a maximum of 128 characters.

driverMemory

String

Driver memory of the Spark application, for example, 2 GB and 2048 MB. This configuration item replaces the default parameter in sc_type. The unit must be provided. Otherwise, the startup fails.

driverCores

Integer

Number of CPU cores of the Spark application driver. This configuration item replaces the default parameter in sc_type.

executorMemory

String

Executor memory of the Spark application, for example, 2 GB and 2048 MB. This configuration item replaces the default parameter in sc_type. The unit must be provided. Otherwise, the startup fails.

executorCores

Integer

Number of CPU cores of each Executor in the Spark application. This configuration item replaces the default parameter in sc_type.

numExecutors

Integer

Number of Executors in a Spark application. This configuration item replaces the default parameter in sc_type.

obs_bucket

String

OBS bucket for storing the Spark jobs. Set this parameter when you need to save jobs.

auto_recovery

Boolean

Whether to enable the retry function. If enabled, Spark jobs will be automatically retried after an exception occurs. The default value is false.

max_retry_times

Integer

Maximum retry times. The maximum value is 100, and the default value is 20.

feature

String

Job feature. Type of the Spark image used by a job.

  • basic: indicates that the basic Spark image provided by DLI is used.
  • custom: indicates that the user-defined Spark image is used.
  • ai: indicates that the AI image provided by DLI is used.

spark_version

String

Version of the Spark component

  • If the in-use Spark version is 2.3.2, this parameter is not required.
  • If the current Spark version is 2.3.3, this parameter is required when feature is basic or ai. If this parameter is not set, the default Spark version 2.3.2 is used.

image

String

Custom image. The format is Organization name/Image name:Image version.

queue

String

Queue name. Set this parameter to the name of the created DLI queue. The queue must be of the general-purpose type.

NOTE:
  • This parameter is compatible with the cluster_name parameter. That is, if cluster_name is used to specify a queue, the queue is still valid.
  • You are advised to use the queue parameter. The queue and cluster_name parameters cannot coexist.

catalog_name

String

To access metadata, set this parameter to dli.

Example Request

None

Example Response

{
    "is_success": true,
    "message": "",
    "templates": [
        {
            "name": "test2",
            "body": {
                "auto_recovery": false,
                "max_retry_times": 20,
            },
            "group": "",
            "description": "",
            "type": "SPARK",
            "id": "3c92c202-b17c-4ed7-b353-ea08629dd671"
        }
    ],
    "count": 1
}

Status Codes

Status Code

Description

200

OK

Error Codes

For details, see Error Codes.