api-gateway add provider for file in memory

ServiceFabric/Linux/eShopOnServiceFabricApiGateWays/ApiGw_Base/Controllers/ConfigurationController.cs

@@ -11,20 +11,20 @@ namespace ApiGw_Base.Controllers
     public class ConfigurationController : ControllerBase
     {
         [HttpGet("mobile/marketing")]
-        public IActionResult MobileMarketing() => ReadConfigurationFile(ConfigurationType.Mobile, ConfigurationBffType.Marketing);
+        public IActionResult MobileMarketing() => ReadConfigurationFile(Channel.Mobile, ChannelType.Marketing);
 
         [HttpGet("mobile/shopping")]
-        public IActionResult MobileShopping() => ReadConfigurationFile(ConfigurationType.Mobile, ConfigurationBffType.Shopping);
+        public IActionResult MobileShopping() => ReadConfigurationFile(Channel.Mobile, ChannelType.Shopping);
 
         [HttpGet("web/marketing")]
-        public IActionResult WebMarketing() => ReadConfigurationFile(ConfigurationType.Web, ConfigurationBffType.Marketing);
+        public IActionResult WebMarketing() => ReadConfigurationFile(Channel.Web, ChannelType.Marketing);
 
         [HttpGet("web/shopping")]
-        public IActionResult WebShopping() => ReadConfigurationFile(ConfigurationType.Web, ConfigurationBffType.Shopping);
+        public IActionResult WebShopping() => ReadConfigurationFile(Channel.Web, ChannelType.Shopping);
 
-        private IActionResult ReadConfigurationFile(ConfigurationType configurationType, ConfigurationBffType configurationBffType)
+        private IActionResult ReadConfigurationFile(Channel channel, ChannelType channelType)
         {
-            var path = $"{AppDomain.CurrentDomain.BaseDirectory}/Configurations/configuration.{configurationType}.Bff.{configurationBffType}.json";
+            var path = $"{AppDomain.CurrentDomain.BaseDirectory}/Configurations/configuration.{channel}.Bff.{channelType}.json";
 
             using (var streamReader = new StreamReader(path, Encoding.UTF8))
             {
@@ -32,7 +32,7 @@ namespace ApiGw_Base.Controllers
 
                 if (string.IsNullOrWhiteSpace(jsonString))
                 {
-                    return BadRequest($"Configuration file 'configuration.{configurationType}.Bff.{configurationBffType}.json' not found");
+                    return BadRequest($"Configuration file 'configuration.{channel}.Bff.{channelType}.json' not found");
                 }
 
                 return Ok(jsonString);

ServiceFabric/Linux/eShopOnServiceFabricApiGateWays/ApiGw_Base/Enums/ConfigurationType.cs → ServiceFabric/Linux/eShopOnServiceFabricApiGateWays/ApiGw_Base/Enums/Channel.cs

@@ -1,6 +1,6 @@
 namespace ApiGw_Base.Enums
 {
-    public enum ConfigurationType
+    public enum Channel
     {
         Web,
         Mobile

ServiceFabric/Linux/eShopOnServiceFabricApiGateWays/ApiGw_Base/Enums/ConfigurationBffType.cs → ServiceFabric/Linux/eShopOnServiceFabricApiGateWays/ApiGw_Base/Enums/ChannelType.cs

@@ -1,6 +1,6 @@
 namespace ApiGw_Base.Enums
 {
-    public enum ConfigurationBffType
+    public enum ChannelType
     {
         Marketing,
         Shopping

ServiceFabric/Windows/eShopOnServiceFabricApiGateWays/eShopOnServiceFabricApiGW/ApiGw_Base/Controllers/ConfigurationController.cs

@@ -11,20 +11,20 @@ namespace ApiGw_Base.Controllers
     public class ConfigurationController : ControllerBase
     {
         [HttpGet("mobile/marketing")]
-        public IActionResult MobileMarketing() => ReadConfigurationFile(ConfigurationType.Mobile, ConfigurationBffType.Marketing);
+        public IActionResult MobileMarketing() => ReadConfigurationFile(Channel.Mobile, ChannelType.Marketing);
 
         [HttpGet("mobile/shopping")]
-        public IActionResult MobileShopping() => ReadConfigurationFile(ConfigurationType.Mobile, ConfigurationBffType.Shopping);
+        public IActionResult MobileShopping() => ReadConfigurationFile(Channel.Mobile, ChannelType.Shopping);
 
         [HttpGet("web/marketing")]
-        public IActionResult WebMarketing() => ReadConfigurationFile(ConfigurationType.Web, ConfigurationBffType.Marketing);
+        public IActionResult WebMarketing() => ReadConfigurationFile(Channel.Web, ChannelType.Marketing);
 
         [HttpGet("web/shopping")]
-        public IActionResult WebShopping() => ReadConfigurationFile(ConfigurationType.Web, ConfigurationBffType.Shopping);
+        public IActionResult WebShopping() => ReadConfigurationFile(Channel.Web, ChannelType.Shopping);
 
-        private IActionResult ReadConfigurationFile(ConfigurationType configurationType, ConfigurationBffType configurationBffType)
+        private IActionResult ReadConfigurationFile(Channel channel, ChannelType channelType)
         {
-            var path = $"{AppDomain.CurrentDomain.BaseDirectory}/Configurations/configuration.{configurationType}.Bff.{configurationBffType}.json";
+            var path = $"{AppDomain.CurrentDomain.BaseDirectory}/Configurations/configuration.{channel}.Bff.{channelType}.json";
 
             using (var streamReader = new StreamReader(path, Encoding.UTF8))
             {
@@ -32,7 +32,7 @@ namespace ApiGw_Base.Controllers
 
                 if (string.IsNullOrWhiteSpace(jsonString))
                 {
-                    return BadRequest($"Configuration file 'configuration.{configurationType}.Bff.{configurationBffType}.json' not found");
+                    return BadRequest($"Configuration file 'configuration.{channel}.Bff.{channelType}.json' not found");
                 }
 
                 return Ok(jsonString);

ServiceFabric/Windows/eShopOnServiceFabricApiGateWays/eShopOnServiceFabricApiGW/ApiGw_Base/Enums/ConfigurationType.cs → ServiceFabric/Windows/eShopOnServiceFabricApiGateWays/eShopOnServiceFabricApiGW/ApiGw_Base/Enums/Channel.cs

@@ -1,6 +1,6 @@
 namespace ApiGw_Base.Enums
 {
-    public enum ConfigurationType
+    public enum Channel
     {
         Web,
         Mobile

ServiceFabric/Windows/eShopOnServiceFabricApiGateWays/eShopOnServiceFabricApiGW/ApiGw_Base/Enums/ConfigurationBffType.cs → ServiceFabric/Windows/eShopOnServiceFabricApiGateWays/eShopOnServiceFabricApiGW/ApiGw_Base/Enums/ChannelType.cs

@@ -1,6 +1,6 @@
 namespace ApiGw_Base.Enums
 {
-    public enum ConfigurationBffType
+    public enum ChannelType
     {
         Marketing,
         Shopping

src/ApiGateways/ApiGw-Base/Models/ServiceFabricSettings.cs

@@ -0,0 +1,13 @@
+namespace OcelotApiGw.Models
+{
+    public class ServiceFabricSettings
+    {
+        public string UrlMobilMarketing { get; set; }
+
+        public string UrlMobilShopping { get; set; }
+
+        public string UrlWebMarketing { get; set; }
+
+        public string UrlWebShopping { get; set; }
+    }
+}

src/ApiGateways/ApiGw-Base/Orchestrators/Kubernetes.cs

@@ -1,6 +1,5 @@
 using Microsoft.Extensions.Configuration;
 using OcelotApiGw.Enums;
-using System.IO;
 
 namespace OcelotApiGw.Orchestrators
 {
@@ -8,11 +7,6 @@ namespace OcelotApiGw.Orchestrators
     {
         public OrchestratorType OrchestratorType => OrchestratorType.K8S;
 
-        public IConfigurationBuilder ConfigureOrchestrator(IConfigurationBuilder builder)
-        {
-            builder.AddJsonFile(Path.Combine("configuration", "configuration.json"));
-
-            return builder;
-        }
+        public IConfigurationBuilder ConfigureOrchestrator(IConfigurationBuilder builder) => builder;
     }
 }

src/ApiGateways/ApiGw-Base/Orchestrators/ServiceFabric.cs

@@ -1,5 +1,6 @@
 using Microsoft.Extensions.Configuration;
 using OcelotApiGw.Enums;
+using OcelotApiGw.Providers;
 using OcelotApiGw.Services;
 
 namespace OcelotApiGw.Orchestrators
@@ -19,6 +20,10 @@ namespace OcelotApiGw.Orchestrators
         {
             var config = _settingService.GetConfiguration();
 
+            var memoryFileProvider = new InMemoryFileProvider(config);
+
+            builder.AddJsonFile(memoryFileProvider, string.Empty, false, false);
+
             return builder;
         }
     }

src/ApiGateways/ApiGw-Base/Providers/InMemoryFile.cs

@@ -0,0 +1,28 @@
+using Microsoft.Extensions.FileProviders;
+using System;
+using System.IO;
+using System.Text;
+
+namespace OcelotApiGw.Providers
+{
+    public class InMemoryFile : IFileInfo
+    {
+        private readonly byte[] _data;
+
+        public InMemoryFile(string data) => _data = Encoding.UTF8.GetBytes(data);
+
+        public Stream CreateReadStream() => new MemoryStream(_data);
+
+        public bool Exists { get; } = true;
+
+        public long Length => _data.Length;
+
+        public string PhysicalPath { get; } = string.Empty;
+
+        public string Name { get; } = string.Empty;
+
+        public DateTimeOffset LastModified { get; } = DateTimeOffset.UtcNow;
+
+        public bool IsDirectory { get; } = false;
+    }
+}

src/ApiGateways/ApiGw-Base/Providers/InMemoryFileProvider.cs

@@ -0,0 +1,18 @@
+using Microsoft.Extensions.FileProviders;
+using Microsoft.Extensions.Primitives;
+
+namespace OcelotApiGw.Providers
+{
+    public class InMemoryFileProvider : IFileProvider
+    {
+        private readonly IFileInfo _fileInfo;
+
+        public InMemoryFileProvider(string data) => _fileInfo = new InMemoryFile(data);
+
+        public IFileInfo GetFileInfo(string subpath) => _fileInfo;
+
+        public IDirectoryContents GetDirectoryContents(string subpath) => null;
+
+        public IChangeToken Watch(string filter) => NullChangeToken.Singleton;
+    }
+}

src/ApiGateways/ApiGw-Base/Services/SettingService.cs

@@ -1,4 +1,5 @@
-using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Options;
+using OcelotApiGw.Models;
 using System;
 using System.Collections.Generic;
 using System.Linq;
@@ -10,12 +11,12 @@ namespace OcelotApiGw.Services
     public class SettingService : ISettingService
     {
         private readonly HttpClient _httpClient;
-        private readonly IConfiguration _configuration;
+        private readonly ServiceFabricSettings _serviceFabricSettings;
 
-        public SettingService(HttpClient httpClient, IConfiguration configuration)
+        public SettingService(HttpClient httpClient, IOptions<ServiceFabricSettings> serviceFabricSettings)
         {
             _httpClient = httpClient;
-            _configuration = configuration;
+            _serviceFabricSettings = serviceFabricSettings.Value;
         }
 
         public string GetConfiguration()
@@ -25,20 +26,20 @@ namespace OcelotApiGw.Services
             var tasks = new Func<Task>[]
             {
                async () => {
-                   var res = await _httpClient.GetStringAsync(_configuration.GetValue<string>("MobilMarketing"));
-                   strings.Add(res);
+                   var configuration = await _httpClient.GetStringAsync(_serviceFabricSettings.UrlMobilMarketing);
+                   strings.Add(configuration);
                },
                async () => {
-                   var res = await _httpClient.GetStringAsync(_configuration.GetValue<string>("MobilShopping"));
-                   strings.Add(res);
+                   var configuration = await _httpClient.GetStringAsync(_serviceFabricSettings.UrlMobilShopping);
+                   strings.Add(configuration);
                },
                async () => {
-                   var res = await _httpClient.GetStringAsync(_configuration.GetValue<string>("WebMarketing"));
-                   strings.Add(res);
+                   var configuration = await _httpClient.GetStringAsync(_serviceFabricSettings.UrlWebMarketing);
+                   strings.Add(configuration);
                },
                async () => {
-                   var res = await _httpClient.GetStringAsync(_configuration.GetValue<string>("WebShopping"));
-                   strings.Add(res);
+                   var configuration = await _httpClient.GetStringAsync(_serviceFabricSettings.UrlWebShopping);
+                   strings.Add(configuration);
                }
             };
 

src/ApiGateways/ApiGw-Base/Startup.cs

@@ -2,11 +2,14 @@
 using Microsoft.AspNetCore.Hosting;
 using Microsoft.Extensions.Configuration;
 using Microsoft.Extensions.DependencyInjection;
+using Microsoft.Extensions.FileProviders;
 using Microsoft.Extensions.Logging;
 using Ocelot.DependencyInjection;
 using Ocelot.Middleware;
 using OcelotApiGw.Enums;
+using OcelotApiGw.Models;
 using OcelotApiGw.Orchestrators;
+using OcelotApiGw.Providers;
 using OcelotApiGw.Services;
 using System.Linq;
 
@@ -36,6 +39,7 @@ namespace OcelotApiGw
             })
             .AddTransient<IOrchestratorStrategy, Kubernetes>()
             .AddTransient<IOrchestratorStrategy, ServiceFabric>()
+            .AddTransient<IFileProvider, InMemoryFileProvider>()
             .AddAuthentication()
             .AddJwtBearer(authenticationProviderKey, options =>
             {
@@ -47,6 +51,7 @@ namespace OcelotApiGw
                 };
             });
 
+            services.Configure<ServiceFabricSettings>(_configuration);
             services.AddHttpClient<ISettingService, SettingService>();
 
             var orchestratorType = _configuration.GetValue<OrchestratorType>("OrchestratorType");