Query the last O&M task of an obshell node

package main

import (
    "github.com/oceanbase/obshell-sdk-go/services"
)

func main() {
    var err error // Handle errors in the production environment.
    
    // Create a client instance, with the IP address of "10.10.10.1" and the port number of 2886.
    // Enter the root@sys password "****" for the cluster.
    client, err := services.NewClientWithPassword("10.10.10.1", 2886, "***")

    // Obtain the last O&M task of the obshell node.
    dag, err := client.V1().GetObLastMaintenanceDag()
}