Bea*_*eau 1 c# azure .net-core azure-functions
我有一个 .NET Core Azure Function 应用程序,在其中连接到 Azure 应用程序配置服务并注册 Key Vault 连接:
using Azure.Identity;
using Microsoft.Azure.Functions.Extensions.DependencyInjection;
using Microsoft.Extensions.Configuration;
using System;
[assembly: FunctionsStartup(typeof(Func.Accounts.Api.Startup))]
namespace Func.Accounts.Api
{
public class Startup : FunctionsStartup
{
public override void ConfigureAppConfiguration(IFunctionsConfigurationBuilder builder)
{
string connectionString = Environment.GetEnvironmentVariable("AppConfigConnectionString");
builder.ConfigurationBuilder.AddAzureAppConfiguration(options =>
{
options.Connect(connectionString)
.ConfigureKeyVault(kv =>
{
kv.SetCredential(new DefaultAzureCredential());
});
});
}
public override void Configure(IFunctionsHostBuilder builder)
{
}
}
}
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我可以正常连接到该服务,并且可以通过 Azure 门户看到它正在接收请求,但我无法让它实际返回任何配置值。这是配置被注入到函数中后的样子:
我知道应用程序配置服务中有 3 个配置值,但它不返回任何数据,而且我看不到它失败的地方。据我所知,不存在身份验证问题,并且我已经使用相同的方法在不同的项目中成功实现了这一点。
有趣的是,如果我尝试通过检索密钥,Azure App Configuration client library我会在该方法中收到以下404错误GetConfigurationSetting。我很难理解它为什么看不到我的任何配置设置。
从评论来看,您需要做两件事:
这是使用标签加载配置的示例。
[assembly: FunctionsStartup(typeof(Host.Example.Startup))]
namespace Host.Example
{
public partial class Startup : FunctionsStartup
{
public IConfiguration Configuration { get; set; }
public override void ConfigureAppConfiguration(IFunctionsConfigurationBuilder builder)
{
var config = builder.ConfigurationBuilder.Build();
var appConfigConnection = config.GetConnectionString("AppConfig");
// Here the label is the environment name
var environment = Environment.GetEnvironmentVariable("Environment");
builder.ConfigurationBuilder.AddAzureAppConfiguration(options =>
{
// Load the configuration using labels
// Connect it to the Key Vault. Didn't test the Key Vault code but it should work if configured properly
options.Connect(appConfigConnection)
.Select(KeyFilter.Any, environment.ToLowerInvariant())
.ConfigureKeyVault(kv =>
{
kv.SetCredential(new DefaultAzureCredential());
});
});
}
public override void Configure(IFunctionsHostBuilder builder)
{
Configuration = builder.GetContext().Configuration;
}
}
}
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