Updated on 2024-06-06 GMT+08:00

Starting a Job

Function

This API is used to start a job.

Calling Method

For details, see Calling APIs.

URI

PUT /v1.1/{project_id}/clusters/{cluster_id}/cdm/job/{job_name}/start

Table 1 Path Parameters

Parameter

Mandatory

Type

Description

project_id

Yes

String

Project ID. For details about how to obtain the project ID, see Project ID and Account ID.

cluster_id

Yes

String

Cluster ID

job_name

Yes

String

Job name

Request Parameters

Table 2 Request header parameters

Parameter

Mandatory

Type

Description

X-Auth-Token

Yes

String

User token. It can be obtained by calling the IAM API (value of X-Subject-Token in the response header).

Table 3 Request body parameters

Parameter

Mandatory

Type

Description

variables

No

Object

Start a job and configure variable parameters. If no variable is configured for the job, the object is empty.

Response Parameters

Status code: 200

Table 4 Response body parameters

Parameter

Type

Description

submissions

Array of StartJobSubmission objects

Job running information. For details, see the descriptions of submission parameters.

Table 5 StartJobSubmission

Parameter

Type

Description

isIncrementing

Boolean

Whether the job migrates incremental data

delete_rows

Integer

Number of deleted rows

update_rows

Integer

Number of updated rows

write_rows

Integer

Number of written rows

submission-id

Integer

ID of the submitted job

job-name

String

Job name

creation-user

String

User who created the job

creation-date

Long

Job creation time, accurate to millisecond

execute-date

Long

Job execution time

progress

Float

Job progress. If a job fails, the value is -1. Otherwise, the value ranges from 0 to 100.

status

String

Job status

  • BOOTING: The job is starting.

  • FAILURE_ON_SUBMIT: The job failed to be submitted.

  • RUNNING: The job is running.

  • SUCCEEDED: The job was successfully executed.

  • FAILED: The job execution failed.

  • UNKNOWN: The job status is unknown.

  • NEVER_EXECUTED: The job was not executed.

isStopingIncrement

String

Whether to stop incremental data migration

is-execute-auto

Boolean

Whether to execute the job as scheduled

last-update-date

Long

Time when the job was last updated

last-udpate-user

String

User who last updated the job status

isDeleteJob

Boolean

Whether to delete the job after it is executed

Example Requests

Start a job with empty parameters.

PUT /v1.1/1551c7f6c808414d8e9f3c514a170f2e/clusters/6ec9a0a4-76be-4262-8697-e7af1fac7920/cdm/job/jdbc2hive/start

{
  "variables" : { }
}

Example Responses

Status code: 200

ok

{
  "submissions" : [ {
    "job-name" : "jdbc2hive",
    "creation-user" : "cdm",
    "creation-date" : "1536905778725",
    "progress" : 1,
    "status" : "BOOTING"
  } ]
}

SDK Sample Code

The SDK sample code is as follows.

Start a job with empty parameters.

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package com.huaweicloud.sdk.test;

import com.huaweicloud.sdk.core.auth.ICredential;
import com.huaweicloud.sdk.core.auth.BasicCredentials;
import com.huaweicloud.sdk.core.exception.ConnectionException;
import com.huaweicloud.sdk.core.exception.RequestTimeoutException;
import com.huaweicloud.sdk.core.exception.ServiceResponseException;
import com.huaweicloud.sdk.cdm.v1.region.cdmRegion;
import com.huaweicloud.sdk.cdm.v1.*;
import com.huaweicloud.sdk.cdm.v1.model.*;


public class StartJobSolution {

    public static void main(String[] args) {
        // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
        // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
        String ak = System.getenv("CLOUD_SDK_AK");
        String sk = System.getenv("CLOUD_SDK_SK");
        String projectId = "{project_id}";

        ICredential auth = new BasicCredentials()
                .withProjectId(projectId)
                .withAk(ak)
                .withSk(sk);

        cdmClient client = cdmClient.newBuilder()
                .withCredential(auth)
                .withRegion(cdmRegion.valueOf("<YOUR REGION>"))
                .build();
        StartJobRequest request = new StartJobRequest();
        request.withClusterId("{cluster_id}");
        request.withJobName("{job_name}");
        CdmStartJobReq body = new CdmStartJobReq();
        body.withVariables(new Object());
        request.withBody(body);
        try {
            StartJobResponse response = client.startJob(request);
            System.out.println(response.toString());
        } catch (ConnectionException e) {
            e.printStackTrace();
        } catch (RequestTimeoutException e) {
            e.printStackTrace();
        } catch (ServiceResponseException e) {
            e.printStackTrace();
            System.out.println(e.getHttpStatusCode());
            System.out.println(e.getRequestId());
            System.out.println(e.getErrorCode());
            System.out.println(e.getErrorMsg());
        }
    }
}

Start a job with empty parameters.

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# coding: utf-8

from huaweicloudsdkcore.auth.credentials import BasicCredentials
from huaweicloudsdkcdm.v1.region.cdm_region import cdmRegion
from huaweicloudsdkcore.exceptions import exceptions
from huaweicloudsdkcdm.v1 import *

if __name__ == "__main__":
    # The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    # In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak = __import__('os').getenv("CLOUD_SDK_AK")
    sk = __import__('os').getenv("CLOUD_SDK_SK")
    projectId = "{project_id}"

    credentials = BasicCredentials(ak, sk, projectId) \

    client = cdmClient.new_builder() \
        .with_credentials(credentials) \
        .with_region(cdmRegion.value_of("<YOUR REGION>")) \
        .build()

    try:
        request = StartJobRequest()
        request.cluster_id = "{cluster_id}"
        request.job_name = "{job_name}"
        request.body = CdmStartJobReq(
            variables={}
        )
        response = client.start_job(request)
        print(response)
    except exceptions.ClientRequestException as e:
        print(e.status_code)
        print(e.request_id)
        print(e.error_code)
        print(e.error_msg)

Start a job with empty parameters.

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package main

import (
	"fmt"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/core/auth/basic"
    cdm "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/cdm/v1"
	"github.com/huaweicloud/huaweicloud-sdk-go-v3/services/cdm/v1/model"
    region "github.com/huaweicloud/huaweicloud-sdk-go-v3/services/cdm/v1/region"
)

func main() {
    // The AK and SK used for authentication are hard-coded or stored in plaintext, which has great security risks. It is recommended that the AK and SK be stored in ciphertext in configuration files or environment variables and decrypted during use to ensure security.
    // In this example, AK and SK are stored in environment variables for authentication. Before running this example, set environment variables CLOUD_SDK_AK and CLOUD_SDK_SK in the local environment
    ak := os.Getenv("CLOUD_SDK_AK")
    sk := os.Getenv("CLOUD_SDK_SK")
    projectId := "{project_id}"

    auth := basic.NewCredentialsBuilder().
        WithAk(ak).
        WithSk(sk).
        WithProjectId(projectId).
        Build()

    client := cdm.NewcdmClient(
        cdm.cdmClientBuilder().
            WithRegion(region.ValueOf("<YOUR REGION>")).
            WithCredential(auth).
            Build())

    request := &model.StartJobRequest{}
	request.ClusterId = "{cluster_id}"
	request.JobName = "{job_name}"
	var variablesCdmStartJobReq interface{} = make(map[string]string)
	request.Body = &model.CdmStartJobReq{
		Variables: &variablesCdmStartJobReq,
	}
	response, err := client.StartJob(request)
	if err == nil {
        fmt.Printf("%+v\n", response)
    } else {
        fmt.Println(err)
    }
}

For SDK sample code of more programming languages, see the Sample Code tab in API Explorer. SDK sample code can be automatically generated.

Status Codes

Status Code

Description

200

ok

Error Codes

See Error Codes.