EventBridge for Amazon SWF 実行状況の変更 - Amazon Simple Workflow Service
EventBridge イベントAmazon SWF イベントの例

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EventBridge for Amazon SWF 実行状況の変更

Amazon EventBridge を使用して、AWS リソースの状態の変更またはイベントに応答します。Amazon SWF がイベントを発行すると、常にアカウントのデフォルトの EventBridge イベントバスに移動します。イベントのルールを作成し、それをデフォルトのイベントバスに関連付け、EventBridge がルールに一致するイベントを受信したときに実行するターゲットアクションを指定できます。これにより、GetWorkflowExecutionHistory API を使用して継続的にポーリングすることなく、ワークフローをモニタリングできます。ワークフロー実行の変更に基づいて、EventBridge ターゲットを使用して AWS Lambda 関数を呼び出したり、Amazon Simple Notification Service (Amazon SNS) トピックにメッセージを公開したりできます。

実行ステータス変更イベントの全内容を確認するには、DescribeWorkflowExecution を使用します。

詳細については、「Amazon EventBridge User Guide」(Amazon EventBridge ユーザーガイド) を参照してください。

EventBridge イベント

履歴イベントタイプには、実行状態の変更が含まれます。各イベントの detail セクションには、少なくとも次のパラメータが含まれています。

  • eventId: GetWorkflowExecutionHistory によって表示されるイベント ID。

  • workflowExecutionDetail: イベントが出力されたときのワークフローの状態。

  • eventType: 履歴イベントタイプ。以下のいずれかを指定します。

    • ActivityTaskCanceled

    • ActivityTaskFailed

    • ActivityTaskTimedOut

    • WorkflowExecutionCanceled

    • WorkflowExecutionCompleted

    • WorkflowExecutionFailed

    • WorkflowExecutionStarted

    • WorkflowExecutionTerminated

    • WorkflowExecutionTimedOut

    • WorkflowExecutionContinuedAsNew

    • CancelTimerFailed

    • CancelWorkflowExecutionFailed

    • ChildWorkflowExecutionFailed

    • ChildWorkflowExecutionTimedOut

    • CompleteWorkflowExecutionFailed

    • ContinueAsNewWorkflowExecutionFailed

    • DecisionTaskTimedOut

    • FailWorkflowExecutionFailed

    • RecordMarkerFailed

    • RequestCancelActivityTaskFailed

    • RequestCancelExternalWorkflowExecutionFailed

    • ScheduleActivityTaskFailed

    • SignalExternalWorkflowExecutionFailed

    • StartActivityTaskFailed

    • StartChildWorkflowExecutionFailed

    • StartTimerFailed

    • TimerCanceled

    • LambdaFunctionFailed

    • LambdaFunctionTimedOut

    • StartLambdaFunctionFailed

    • ScheduleLambdaFunctionFailed

Amazon SWF イベントの例

以下は、Amazon SWF が EventBridge にイベントを送信する例です。

いずれの場合も、イベントデータの detail セクションに、DescribeWorkflowExecution API と同じ情報が含まれています。executionStatus フィールドは、イベントが送信されたときの実行の状態 (OPEN または CLOSED) を示します。

実行のスタート

{
  "version": "0",
  "id": "444444444444",
  "detail-type": "Simple Workflow Execution State Change",
  "source": "aws.swf",
  "account": "444444444444",
  "time": "2020-05-08T15:57:38Z",
  "region": "us-east-1",
  "resources": [
    "arn:aws:swf:us-east-1:444444444444:/domain/SimpleWorkflowUserSimulator"
  ],
  "detail": {
    "eventId": 1,
    "eventType": "WorkflowExecutionStarted",
    "workflowExecutionDetail": {
      "executionInfo": {
        "execution": {
          "workflowId": "123456789012",
          "runId": "AKIAIOSFODNN7EXAMPLE"
        },
        "workflowType": {
          "name": "SimpleWorkflowUserSimulator",
          "version": "myWorkflow"
        },
        "startTimestamp": 1588953458484,
        "closeTimestamp": null,
        "executionStatus": "OPEN",
        "closeStatus": null,
        "parent": null,
        "parentExecutionArn": null,
        "tagList": null,
        "cancelRequested": false
      },
      "executionConfiguration": {
        "taskStartToCloseTimeout": "60",
        "executionStartToCloseTimeout": "1000",
        "taskList": {
          "name": "444444444444"
        },
        "taskPriority": null,
        "childPolicy": "ABANDON",
        "lambdaRole": "arn:aws:iam::444444444444:role/BasicSWFLambdaExecution"
      },
      "openCounts": {
        "openActivityTasks": 0,
        "openDecisionTasks": 1,
        "openTimers": 0,
        "openChildWorkflowExecutions": 0,
        "openLambdaFunctions": 0
      },
      "latestActivityTaskTimestamp": null,
    }
  }
}

実行の完了

{
  "version": "0",
  "id": "1111-2222-3333",
  "detail-type": "Simple Workflow Execution State Change",
  "source": "aws.swf",
  "account": "444455556666",
  "time": "2020-05-08T15:57:39Z",
  "region": "us-east-1",
  "resources": [
    "arn:aws:swf:us-east-1:444455556666:/domain/SimpleWorkflowUserSimulator"
  ],
  "detail": {
    "eventId": 35,
    "eventType": "WorkflowExecutionCompleted",
    "workflowExecutionDetail": {
      "executionInfo": {
        "execution": {
          "workflowId": "1234-5678-9012",
          "runId": "777788889999"
        },
        "workflowType": {
          "name": "SimpleWorkflowUserSimulator",
          "version": "myWorkflow"
        },
        "startTimestamp": 1588953458820,
        "closeTimestamp": 1588953459448,
        "executionStatus": "CLOSED",
        "closeStatus": "COMPLETED",
        "parent": null,
        "parentExecutionArn": null,
        "tagList": null,
        "cancelRequested": false
      },
      "executionConfiguration": {
        "taskStartToCloseTimeout": "60",
        "executionStartToCloseTimeout": "1000",
        "taskList": {
          "name": "1111-1111-1111"
        },
        "taskPriority": null,
        "childPolicy": "ABANDON",
        "lambdaRole": "arn:aws:iam::444455556666:role/BasicSWFLambdaExecution"
      },
      "openCounts": {
        "openActivityTasks": 0,
        "openDecisionTasks": 0,
        "openTimers": 0,
        "openChildWorkflowExecutions": 0,
        "openLambdaFunctions": 0
      },
      "latestActivityTaskTimestamp": 1588953459402,
    }
  }
}

実行の失敗

{
  "version": "0",
  "id": "1111-2222-3333",
  "detail-type": "Simple Workflow Execution State Change",
  "source": "aws.swf",
  "account": "444455556666",
  "time": "2020-05-08T15:57:38Z",
  "region": "us-east-1",
  "resources": [
    "arn:aws:swf:us-east-1:444455556666:/domain/SimpleWorkflowUserSimulator"
  ],
  "detail": {
    "eventId": 11,
    "eventType": "WorkflowExecutionFailed",
    "workflowExecutionDetail": {
      "executionInfo": {
        "execution": {
          "workflowId": "1234-5678-9012",
          "runId": "777788889999"
        },
        "workflowType": {
          "name": "SimpleWorkflowUserSimulator",
          "version": "myWorkflow"
        },
        "startTimestamp": 1588953158481,
        "closeTimestamp": 1588953458560,
        "executionStatus": "CLOSED",
        "closeStatus": "FAILED",
        "parent": null,
        "parentExecutionArn": null,
        "tagList": null,
        "cancelRequested": false
      },
      "executionConfiguration": {
        "taskStartToCloseTimeout": "60",
        "executionStartToCloseTimeout": "1000",
        "taskList": {
          "name": "1111-1111-1111"
        },
        "taskPriority": null,
        "childPolicy": "ABANDON",
        "lambdaRole": "arn:aws:iam::444455556666:role/BasicSWFLambdaExecution"
      },
      "openCounts": {
        "openActivityTasks": 0,
        "openDecisionTasks": 0,
        "openTimers": 0,
        "openChildWorkflowExecutions": 0,
        "openLambdaFunctions": 0
      },
      "latestActivityTaskTimestamp": null,
    }
  }
}

実行のタイムアウト

{
  "version": "0",
  "id": "1111-2222-3333",
  "detail-type": "Simple Workflow Execution State Change",
  "source": "aws.swf",
  "account": "444455556666",
  "time": "2020-05-05T17:26:30Z",
  "region": "us-east-1",
  "resources": [
    "arn:aws:swf:us-east-1:444455556666:/domain/SimpleWorkflowUserSimulator"
  ],
  "detail": {
    "eventId": 6,
    "eventType": "WorkflowExecutionTimedOut",
    "workflowExecutionDetail": {
      "executionInfo": {
        "execution": {
          "workflowId": "1234-5678-9012",
          "runId": "777788889999"
        },
        "workflowType": {
          "name": "SimpleWorkflowUserSimulator",
          "version": "myWorkflow"
        },
        "startTimestamp": 1588698073748,
        "closeTimestamp": 1588699590745,
        "executionStatus": "CLOSED",
        "closeStatus": "TIMED_OUT",
        "parent": null,
        "parentExecutionArn": null,
        "tagList": null,
        "cancelRequested": false
      },
      "executionConfiguration": {
        "taskStartToCloseTimeout": "60",
        "executionStartToCloseTimeout": "1000",
        "taskList": {
          "name": "1111-1111-1111"
        },
        "taskPriority": null,
        "childPolicy": "ABANDON",
        "lambdaRole": "arn:aws:iam::444455556666:role/BasicSWFLambdaExecution"
      },
      "openCounts": {
        "openActivityTasks": 1,
        "openDecisionTasks": 0,
        "openTimers": 0,
        "openChildWorkflowExecutions": 0,
        "openLambdaFunctions": 0
      },
      "latestActivityTaskTimestamp": 1588699585802,
    }
  }
}

実行の終了

{
  "version": "0",
  "id": "1111-2222-3333",
  "detail-type": "Simple Workflow Execution State Change",
  "source": "aws.swf",
  "account": "444455556666",
  "time": "2020-05-08T22:37:26Z",
  "region": "us-east-1",
  "resources": [
    "arn:aws:swf:us-east-1:444455556666:/domain/canary"
  ],
  "detail": {
    "eventId": 48,
    "eventType": "WorkflowExecutionTerminated",
    "workflowExecutionDetail": {
      "executionInfo": {
        "execution": {
          "workflowId": "1234-5678-9012",
          "runId": "777788889999"
        },
        "workflowType": {
          "name": "1111-1111-1111",
          "version": "1.3"
        },
        "startTimestamp": 1588977445279,
        "closeTimestamp": 1588977446062,
        "executionStatus": "CLOSED",
        "closeStatus": "TERMINATED",
        "parent": null,
        "parentExecutionArn": null,
        "tagList": null,
        "cancelRequested": false
      },
      "executionConfiguration": {
        "taskStartToCloseTimeout": "60",
        "executionStartToCloseTimeout": "120",
        "taskList": {
          "name": "1111-1111-1111-2222-2222-2222"
        },
        "taskPriority": null,
        "childPolicy": "TERMINATE",
        "lambdaRole": null
      },
      "openCounts": {
        "openActivityTasks": 0,
        "openDecisionTasks": 1,
        "openTimers": 0,
        "openChildWorkflowExecutions": 0,
        "openLambdaFunctions": 0
      },
      "latestActivityTaskTimestamp": 1588977445882,
    }
  }
}