Amazon Web Services 文档中描述的 Amazon Web Services 服务或功能可能因区域而异。要查看适用于中国区域的差异,请参阅
中国的 Amazon Web Services 服务入门
(PDF)。
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Amazon Step Functions
对于为单个嵌套工作流执行调用 StartExecution
的状态机,应使用 IAM 策略限制该状态机的权限。
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": [
"states:StartExecution"
],
"Resource": [
"arn:aws:states:[[region]]
:[[accountId]]
:stateMachine:[[stateMachineName]]
"
]
}
]
}
有关更多信息,请参阅下列内容:
- Synchronous
-
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": [
"states:StartExecution"
],
"Resource": [
"arn:aws:states:[[region]]
:[[accountId]]
:stateMachine:[[stateMachineName]]"
]
},
{
"Effect": "Allow",
"Action": [
"states:DescribeExecution",
"states:StopExecution"
],
"Resource": [
"arn:aws:states:[[region]]
:[[accountId]]
:execution:[[stateMachineName]]
:*"
]
},
{
"Effect": "Allow",
"Action": [
"events:PutTargets",
"events:PutRule",
"events:DescribeRule"
],
"Resource": [
"arn:aws:events:[[region]]
:[[accountId]]
:rule/StepFunctionsGetEventsForStepFunctionsExecutionRule"
]
}
]
}
- Asynchronous
-
{
"Version": "2012-10-17",
"Statement": [
{
"Effect": "Allow",
"Action": [
"states:StartExecution"
],
"Resource": [
"arn:aws:states:[[region]]
:[[accountId]]
:stateMachine:[[stateMachineName]]
"
]
}
]
}
有关嵌套工作流执行的更多信息,请参阅从 Task 状态启动工作流执行。