Azure Function中的Firestore .NET客户端库身份验证 [英] Firestore .NET client library authentication in Azure Function

问题描述

我正在C#Azure Function应用中使用Google.Cloud.Firestore 1.0.0-beta22版本.该文档指出要创建一个服务帐户json文件，并创建一个指向该json文件的GOOGLE_APPLICATION_CREDENTIALS环境变量.

I am using Google.Cloud.Firestore version 1.0.0-beta22 in a C# Azure Function app. The documentation states to create a service account json file and create a GOOGLE_APPLICATION_CREDENTIALS environment variable pointing to this json file.

我的问题是我不想将json文件添加到我的源存储库中，即使我不知道运行Azure函数的目录的路径，因此也无法设置环境变量.

My issue is I don't want to add the json file to my source repository, and even if I did I don't know the path to the directory that the Azure Function will be running in, thus I am unable to set the environment variable.

是否有办法将凭据传递到Firestore客户端库，或者有其他解决方法来解决此问题?

Is there a way to pass the credentials to the Firestore client library, or any other workarounds to address this?

推荐答案

经过大量的搜索之后，我发现您可以从Json创建凭据，并使用它创建FirestoreClient，然后将其传递给FirestoreDb.

After much googling I've found that you can create a credential from Json and use this to create a FirestoreClient which you then pass to the FirestoreDb.

 var credential = GoogleCredential.FromJson(<JSON AS STRING>);
 var channelCredentials = credential.ToChannelCredentials();
 var channel = new Channel(FirestoreClient.DefaultEndpoint.ToString(), channelCredentials);
 var client = FirestoreClient.Create(channel);
 var firestoreDb = FirestoreDb.Create("project id", client);

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