How to read appsetting.json for Service Fabric solution?

Question

I have a Service Fabric API as service, and business and data access layers are a separate class library. I set the configuration values in the appsetting.json. But I am not able to read the values in the business layer and data access layers. Also, I don't want to use the environment variables. How can I read the appsetting.json in data access layer and business layer?

score 4 · Accepted Answer · answered Sep 12 '18 at 08:28

add this line into CreateServiceInstanceListeners

        protected override IEnumerable<ServiceInstanceListener> CreateServiceInstanceListeners()
    {
        return new ServiceInstanceListener[]
        {
            new ServiceInstanceListener(serviceContext =>
                new KestrelCommunicationListener(serviceContext, "ServiceEndpoint", (url, listener) =>
                {
                    ServiceEventSource.Current.ServiceMessage(serviceContext, $"Starting Kestrel on {url}");

                    return new WebHostBuilder()
                                .UseKestrel()
                                .UseCommonConfiguration()
                                .ConfigureServices(
                                    services => services
                                        .AddSingleton<StatelessServiceContext>(serviceContext))
                                .UseContentRoot(Directory.GetCurrentDirectory())
                                .UseStartup<Startup>()
                                .UseServiceFabricIntegration(listener, ServiceFabricIntegrationOptions.None)
                                .UseUrls(url)
                                .Build();
                }))
        };
    }

UseCommonConfiguration

        public static IWebHostBuilder UseCommonConfiguration(this IWebHostBuilder builder)
    {
        builder.ConfigureAppConfiguration((hostingContext, config) =>
        {
            var env = hostingContext.HostingEnvironment;

            config.AddJsonFile("appsettings.json", optional: true, reloadOnChange: true)
                .AddJsonFile($"appsettings.{env.EnvironmentName}.json", optional: true, reloadOnChange: true);

            if (env.IsDevelopment())
            {
                var appAssembly = Assembly.Load(new AssemblyName(env.ApplicationName));
                if (appAssembly != null)
                {
                    config.AddUserSecrets(appAssembly, optional: true);
                }
            }

            config.AddEnvironmentVariables();
        });

        return builder;
    }

score 0 · Answer 2 · answered Sep 11 '18 at 14:29

0

Pass the IConfiguration object as constructor argument to your API controller. Pass it downstream to other classes.

answered Sep 11 '18 at 14:29

LoekD

11,402
17
27

I passed as parameter. But I am not getting the values in the appsetting.json file. – user2927217 Sep 11 '18 at 19:44
1

With normal api this will work. but with service fabric its not working. – user2927217 Sep 11 '18 at 19:45

How to read appsetting.json for Service Fabric solution?

2 Answers2

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