本文說明建立自訂角色時，應授予 Cloud Data Fusion 服務帳戶哪些權限，讓該服務帳戶存取您的資源。
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根據預設，系統會將「Cloud Data Fusion API 服務代理人」(roles/datafusion.serviceAgent) Identity and Access Management 角色指派給 Cloud Data Fusion 服務帳戶。這個角色的權限非常寬鬆。
您可以改用自訂角色，只提供服務帳戶主體需要的權限。
[[["容易理解","easyToUnderstand","thumb-up"],["確實解決了我的問題","solvedMyProblem","thumb-up"],["其他","otherUp","thumb-up"]],[["難以理解","hardToUnderstand","thumb-down"],["資訊或程式碼範例有誤","incorrectInformationOrSampleCode","thumb-down"],["缺少我需要的資訊/範例","missingTheInformationSamplesINeed","thumb-down"],["翻譯問題","translationIssue","thumb-down"],["其他","otherDown","thumb-down"]],["上次更新時間：2025-09-04 (世界標準時間)。"],[[["\u003cp\u003eThis document outlines the necessary permissions for the Cloud Data Fusion Service Account when using custom roles to access resources, as opposed to the default highly permissive role.\u003c/p\u003e\n"],["\u003cp\u003eCustom roles allow you to grant specific permissions to the service account principal, tailoring access to only what is needed for designated tasks.\u003c/p\u003e\n"],["\u003cp\u003ePermissions required for tasks such as instance creation, Dataproc cluster access, Cloud Storage interaction, and publishing logs or metrics are detailed in the provided table.\u003c/p\u003e\n"],["\u003cp\u003eAdditional configurations like VPC peering, DNS peering, and Private Service Connect each have their own specific permissions needed to create a Cloud Data Fusion instance.\u003c/p\u003e\n"]]],[],null,["# Minimum permissions required for the Cloud Data Fusion Service Account\n\nThis document explains which permissions to give to the\nCloud Data Fusion Service Account when you create a custom role that\nlets it access your resources.\n| **Note:** The principal name for the [Cloud Data Fusion Service Account](/data-fusion/docs/access-control#data-fusion-service-account) is `service-`\u003cvar translate=\"no\"\u003eCUSTOMER_PROJECT_NUMBER\u003c/var\u003e`@gcp-sa-datafusion.iam.gserviceaccount.com`\n\nBy default, the\n[Cloud Data Fusion API Service Agent](/iam/docs/understanding-roles#datafusion.serviceAgent)\n(`roles/datafusion.serviceAgent`) Identity and Access Management role is assigned to the\nCloud Data Fusion Service Account. This role is highly permissive.\nInstead, you can use custom roles to provide only the permissions that the\nservice account principal needs.\n\nFor more information about the Cloud Data Fusion service accounts, see\n[Service accounts in Cloud Data Fusion](/data-fusion/docs/concepts/service-accounts).\n\nFor more information about creating custom roles, see\n[Create a custom role](/iam/docs/creating-custom-roles#creating).\n\nRequired permissions for the Cloud Data Fusion Service Account\n--------------------------------------------------------------\n\nWhen you create a custom role for the Cloud Data Fusion Service Account,\ngive the following permissions based on the tasks you plan to perform in your\ninstance. This lets Cloud Data Fusion access your resources.\n\nWhat's next\n-----------\n\n- Learn more about [creating and managing custom roles](/iam/docs/creating-custom-roles).\n- Learn more about [access control options in Cloud Data Fusion](/data-fusion/docs/access-control)."]]
