要确保AWS Batch从EventBridge调度器/规则触发，需要执行以下步骤：

1. 创建一个EventBridge调度器/规则：

import boto3

def create_eventbridge_rule():
    client = boto3.client('events')
    
    response = client.put_rule(
        Name='MyEventBridgeRule',
        ScheduleExpression='cron(0 12 * * ? *)',  # 根据需要调整调度表达式
        State='ENABLED',  # 将规则设置为启用状态
    )
    
    response = client.put_targets(
        Rule='MyEventBridgeRule',
        Targets=[
            {
                'Id': 'Target1',
                'Arn': 'arn:aws:batch:us-west-2:123456789012:job-definition/MyBatchJobDefinition:1',  # 替换为AWS Batch作业定义的ARN
                'RoleArn': 'arn:aws:iam::123456789012:role/MyBatchJobRole'  # 替换为具有批处理作业执行权限的IAM角色的ARN
            }
        ]
    )
    
    print("EventBridge rule created successfully")

create_eventbridge_rule()

2. 确保AWS Batch作业定义中包含EventBridge调度器/规则的ARN：

import boto3

def create_batch_job_definition():
    client = boto3.client('batch')
    
    response = client.register_job_definition(
        jobDefinitionName='MyBatchJobDefinition',
        type='container',
        containerProperties={
            'image': 'my-container-image',  # 替换为您的容器镜像
            'vcpus': 1,
            'memory': 1024,
            'command': ['my-command'],  # 替换为您的容器命令
            'jobRoleArn': 'arn:aws:iam::123456789012:role/MyBatchJobRole'  # 替换为具有批处理作业执行权限的IAM角色的ARN
        },
        retryStrategy={
            'attempts': 1
        }
    )
    
    print("Batch job definition created successfully")

create_batch_job_definition()

3. 确保IAM角色具有EventBridge和Batch的必要权限：

• EventBridge：确保IAM角色具有events:PutTargets和events:PutRule权限。
• Batch：确保IAM角色具有batch:SubmitJob权限。

完成以上步骤后，AWS Batch作业应该能够从EventBridge调度器/规则触发。