node.js - 无法从 GCP 调度程序调用 Google Cloud Function

Question

我一直在尝试--runtime nodejs8 --trigger-http从 GCP 调度程序调用 GCP 函数 ()，它们都位于同一个项目中。allUsers如果我通过将成员添加到函数权限并Cloud Functions-Invoker应用角色来授予未经身份验证的访问权限，我只能使其工作。但是，当我只使用调度程序的服务帐户作为时Cloud Functions-Invoker，我得到一个 PERMISSION DENIED 错误。

我创建了一个 hello world 示例，以详细展示我的设置的外观。

1. 我设置了一个服务帐户：

gcloud iam service-accounts create scheduler --display-name="Task Schedule Runner"

2. 设置角色：

svc_policy.json:
{
    "bindings": [
      {
        "members": [
          "serviceAccount:[e-mail]"
        ],
        "role": "roles/cloudscheduler.serviceAgent"
      }    
    ]
  }

gcloud iam service-accounts set-iam-policy [e-mail] svc_policy.json  -q

3. 部署云功能：

gcloud functions deploy helloworld --runtime nodejs8 --trigger-http --entry-point=helloWorld

4. 将服务帐户作为成员添加到函数中：

gcloud functions add-iam-policy-binding helloworld --member serviceAccount:[e-mail] --role roles/cloudfunctions.invoker

5. 创建调度程序作业：

gcloud beta scheduler jobs create http test-job --schedule "5 * * * *" --http-method=GET --uri=https://us-central1-mwsdata-1544225920485.cloudfunctions.net/helloworld --oidc-service-account-email=[e-mail] --oidc-token-audience=https://us-central1-mwsdata-1544225920485.cloudfunctions.net/helloworld

日志：权限被拒绝

{
 httpRequest: {
 }
 insertId: "1ny5xuxf69w0ck"  
 jsonPayload: {
  @type: "type.googleapis.com/google.cloud.scheduler.logging.AttemptFinished"   
  jobName: "projects/mwsdata-1544225920485/locations/europe-west1/jobs/test-job"   
  status: "PERMISSION_DENIED"   
  targetType: "HTTP"   
  url: "https://us-central1-mwsdata-1544225920485.cloudfunctions.net/helloworld"   
 }
 logName: "projects/mwsdata-1544225920485/logs/cloudscheduler.googleapis.com%2Fexecutions"  
 receiveTimestamp: "2020-02-04T22:05:05.248707989Z"  
 resource: {
  labels: {
   job_id: "test-job"    
   location: "europe-west1"    
   project_id: "mwsdata-1544225920485"    
  }
  type: "cloud_scheduler_job"   
 }
 severity: "ERROR"  
 timestamp: "2020-02-04T22:05:05.248707989Z"  
}

更新

以下是相应的设置。

调度程序服务帐户

gcloud iam service-accounts get-iam-policy [e-mail]

bindings:
- members:
  - serviceAccount:[e-mail]
  role: roles/cloudscheduler.serviceAgent
etag: BwWdxuiGNv4=
version: 1

IAM 功能的政策：

gcloud functions get-iam-policy helloworld    
bindings:
- members:
  - serviceAccount:[e-mail]
  role: roles/cloudfunctions.invoker
etag: BwWdxyDGOAY=
version: 1

功能说明

gcloud functions describe helloworld
availableMemoryMb: 256
entryPoint: helloWorld
httpsTrigger:
  url: https://us-central1-mwsdata-1544225920485.cloudfunctions.net/helloworld
ingressSettings: ALLOW_ALL
labels:
  deployment-tool: cli-gcloud
name: projects/mwsdata-1544225920485/locations/us-central1/functions/helloworld
runtime: nodejs8
serviceAccountEmail: [e-mail]
sourceUploadUrl: https://storage.googleapis.com/gcf-upload-us-central1-671641e6-3f1b-41a1-9ac1-558224a1638a/b4a0e407-69b9-4f3d-a00d-7543ac33e013.zip?GoogleAccessId=[e-mail]&Expires=1580854835&Signature=S605ODVtOpnU4LIoRT2MnU4OQN3PqhpR0u2CjgcpRcZZUXstQ5kC%2F1rT6Lv2SusvUpBrCcU34Og2hK1QZ3dOPluzhq9cXEvg5MX1MMDyC5Y%2F7KGTibnV4ztFwrVMlZNTj5N%2FzTQn8a65T%2FwPBNUJWK0KrIUue3GemOQZ4l4fCf9v4a9h6MMjetLPCTLQ1BkyFUHrVnO312YDjSC3Ck7Le8OiXb7a%2BwXjTDtbawR20NZWfgCCVvL6iM9mDZSaVAYDzZ6l07eXHXPZfrEGgkn7vXN2ovMF%2BNGvwHvTx7pmur1yQaLM4vRRprjsnErU%2F3p4JO3tlbbFEf%2B69Wd9dyIKVA%3D%3D
status: ACTIVE
timeout: 60s
updateTime: '2020-02-04T21:51:15Z'
versionId: '1'

调度员职位描述

gcloud scheduler jobs describe test-job
attemptDeadline: 180s
httpTarget:
  headers:
    User-Agent: Google-Cloud-Scheduler
  httpMethod: GET
  oidcToken:
    audience: https://us-central1-mwsdata-1544225920485.cloudfunctions.net/helloworld
    serviceAccountEmail: [e-mail]
  uri: https://us-central1-mwsdata-1544225920485.cloudfunctions.net/helloworld
lastAttemptTime: '2020-02-05T09:05:00.054111Z'
name: projects/mwsdata-1544225920485/locations/europe-west1/jobs/test-job
retryConfig:
  maxBackoffDuration: 3600s
  maxDoublings: 16
  maxRetryDuration: 0s
  minBackoffDuration: 5s
schedule: 5 * * * *
scheduleTime: '2020-02-05T10:05:00.085854Z'
state: ENABLED
status:
  code: 7
timeZone: Etc/UTC
userUpdateTime: '2020-02-04T22:02:31Z'

标签： node.jsgoogle-cloud-platformgoogle-cloud-functionsgoogle-cloud-scheduler

Answer 1

以下是我使 Cloud Scheduler 触发不允许未经身份验证的调用的 HTTP 触发的 Cloud Functions 所遵循的步骤：

1. 创建一个服务帐户，其格式如下 [SA-NAME]@[PROJECT-ID].iam.gserviceaccount.com。
2. 将服务帐户 [SA-NAME]@[PROJECT-ID].iam.gserviceaccount.com 添加为项目成员，并将以下角色添加到服务帐户：Cloud Functions Invoker和Cloud Scheduler Admin。
3. 部署一个 HTTP 触发的云函数，该函数不允许公共（未经身份验证）访问（如果您使用 UI，只需取消选中允许未经身份验证的调用复选框）并且使用最近创建的服务帐户 [SA-NAME]@[PROJECT-ID ].iam.gserviceaccount.com 在服务帐户字段（单击更多并查找服务帐户字段，默认情况下应设置为 App Engine 默认服务帐户）并注意 Cloud Function 的 URL。
4. 通过从 Cloud Shell 发出以下命令来创建具有身份验证的 Cloud Scheduler 作业：gcloud scheduler jobs create http [JOB-NAME] --schedule="* * * * *" --uri=[CLOUD-FUNCTIONS-URL] --oidc-service-account-email=[SA-NAME]@[PROJECT-ID].iam.gserviceaccount.com

在您的特定情况下，您将为 Cloud Functions 保留默认的 App Engine 服务帐户。将其更改为您在前面步骤中指定的创建的服务帐户。