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按照https://cloud.google.com/endpoints/docs/openapi/get-started-cloud-functions的入门指南将我的云函数放在 CDN 后面。将 ESPv2 Beta 部署到 Cloud Run 并获得预配置的 CloudRun 服务 URL。现在我的openapi-functions.yaml文件碰壁了。当我运行命令时：

gcloud endpoints services deploy openapi-functions.yaml \
    --project ESP_PROJECT_ID

我得到错误响应：

ERROR: (gcloud.endpoints.services.deploy) INVALID_ARGUMENT: Cannot convert to service config.
'location: "openapi-functions.yaml: x-google-backend"
kind: ERROR
message: "Extension x-google-backend cannot be converted into proto type google.api.BackendRule. Details: Cannot find field: produces in message google.api.BackendRule"

 location: "openapi-functions.yaml: x-google-backend"
kind: ERROR
message: "Address field in extension x-google-backend is not a valid URL"

我正在使用的openapi-functions.yaml似乎与教程中的示例几乎相同，并且此错误似乎表明 Cloud Functions 端点不是 CloudRun 的有效 URL！我在这里做错了什么？提前感谢您的帮助。

openapi-functions.yaml：

swagger: '2.0'
info:
  title: "My API"
  description: "Returns something"
  version: 1.0.0
host: "SERVICENAME-IDENTIFIER-uc.a.run.app"
schemes:
  - "https"
produces:
  - application/json
paths:
  "/foo":
    get:
      summary: "Returns thing"
      operationId: "foo"
      x-google-backend:
        address: "https://us-central1-my-project-name.cloudfunctions.net/bar"
        produces:
          - "application/json"
      responses:
        '200':
          description: "OK"
          schema:
            type: "string"
        '404':
          description: "Error"
          schema:
             type: "string"
        '403':
          description: "Forbidden"
          schema:
            type: "string"
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1 回答 1

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注释掉该produces:声明并且它有效。

于 2020-01-24T02:34:58.643 回答