Merge pull request '[Л/Р 3] Воронкова Лиза' (#162) from Liza_Voronkova/distributed-computing:voronkova-es-lab-3 into main

Reviewed-on: http://student.git.athene.tech/v.moiseev/distributed-computing/pulls/162

tasks/voronkova-es/lab_3/.gitignore

@@ -0,0 +1,477 @@
+## Ignore Visual Studio temporary files, build results, and
+## files generated by popular Visual Studio add-ons.
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+## Get latest from https://github.com/github/gitignore/blob/main/VisualStudio.gitignore
+
+# User-specific files
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+# Visual Studio 2015/2017 cache/options directory
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+**/[Pp]ackages/*
+# except build/, which is used as an MSBuild target.
+!**/[Pp]ackages/build/
+# Uncomment if necessary however generally it will be regenerated when needed
+#!**/[Pp]ackages/repositories.config
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+*.nuget.props
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+# Including strong name files can present a security risk
+# (https://github.com/github/gitignore/pull/2483#issue-259490424)
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+# (https://github.com/github/gitignore/pull/1529#issuecomment-104372622)
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+# to a newer Visual Studio version. Backup files are not needed,
+# because we have git ;-)
+_UpgradeReport_Files/
+Backup*/
+UpgradeLog*.XML
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+*.mdf
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+
+# Microsoft Fakes
+FakesAssemblies/
+
+# GhostDoc plugin setting file
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+# globs
+Makefile.in
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+# content below from: https://github.com/github/gitignore/blob/master/Global/macOS.gitignore
+# General
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+# Icon must end with two \r
+Icon
+
+
+# Thumbnails
+._*
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+# Files that might appear in the root of a volume
+.DocumentRevisions-V100
+.fseventsd
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+
+# Directories potentially created on remote AFP share
+.AppleDB
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+Network Trash Folder
+Temporary Items
+.apdisk
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+# Windows thumbnail cache files
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+# Windows Installer files
+*.cab
+*.msi
+*.msix
+*.msm
+*.msp
+
+# Windows shortcuts
+*.lnk

tasks/voronkova-es/lab_3/README.md

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+# Отчет по лабораторной работе №3
+
+Выполнила студентка гр. ИСЭбд-41 Воронкова Е.С.
+
+## REST API, Gateway и синхронный обмен между микросервисами
+
+## Создание микросервисов
+
+1. С помощью команды `dotnet new web -n worker-1` в терминале был создан первый микросервис
+2. В папке созданного проекта добавлено решение командой  `dotnet new sln`
+3. Затем связали решение и проект командой `dotnet sln worker-2.sln add worker-1.csproj`
+4. Повторили те же действия для второго микросервиса
+5. Добавили библиотеку Swagger и OpenAi в обе папки проектов и запустили с помощью команды `dotnet run`
+
+Моя предметная область - Медицина. Реализовала две сущности - лекарство и аптека
+
+Скриншоты протестированных микросервисов:
+Worker-1:
+![](images/screen_1.png) 
+Worker-2:
+![](images/screen_2.png)
+
+## Реализация синхронного обмена
+
+Был реализован код, который вызывает сихронно данные из соседнего микросервиса
+
+```cs
+//worker-2
+app.MapGet("/Requests/", async () =>
+{
+    var httpClient = new HttpClient();
+    var secondWorkerResponse = await httpClient.GetStringAsync("http://worker-1:8085/");
+
+    return secondWorkerResponse;
+});
+```
+
+## Реализация gateway при помощи nginx
+
+Добавила nginx.conf:
+
+```conf
+server {
+    listen       8085;
+    listen  [::]:8085;
+    server_name  localhost;
+
+    location / {
+        root   /usr/share/nginx/html;
+        index  index.html index.htm;
+    }
+
+    location /worker-1/ {
+        proxy_pass       http://worker-1:8085/;
+        proxy_set_header Host      $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header X-Forwarded-Prefix /worker-1;
+    }
+
+    location /worker-2/ {
+        proxy_pass       http://worker-2:8085/;
+        proxy_set_header Host      $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header X-Forwarded-Prefix /worker-2;
+    }
+}
+
+```

tasks/voronkova-es/lab_3/nginx.conf

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+server {
+    listen       8085;
+    listen  [::]:8085;
+    server_name  localhost;
+
+    location / {
+        root   /usr/share/nginx/html;
+        index  index.html index.htm;
+    }
+
+    location /worker-1/ {
+        proxy_pass       http://worker-1:8085/;
+        proxy_set_header Host      $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header X-Forwarded-Prefix /worker-1;
+    }
+
+    location /worker-2/ {
+        proxy_pass       http://worker-2:8085/;
+        proxy_set_header Host      $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_set_header X-Forwarded-Prefix /worker-2;
+    }
+}

tasks/voronkova-es/lab_3/worker-1/Program.cs

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+using Microsoft.AspNetCore.Builder;
+using Microsoft.Extensions.DependencyInjection;
+using Microsoft.OpenApi.Models;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services.AddSingleton<DrugstoreService>();
+
+// Add Swagger services
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen(c =>
+{
+    c.SwaggerDoc("v1", new OpenApiInfo { Title = "My API", Version = "v1" });
+});
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+
+app.UseSwagger();
+app.UseSwaggerUI(c =>
+{
+    c.SwaggerEndpoint("/swagger/v1/swagger.json", "My API V1");
+});
+
+
+app.MapGet("/", (DrugstoreService service) => service.GetAll());
+
+app.MapGet("/drugstores/{id}", (DrugstoreService service, Guid id) =>
+{
+    var drugstore = service.Get(id);
+    return drugstore is not null ? Results.Ok(drugstore) : Results.NotFound();
+});
+
+app.MapPost("/drugstores", (DrugstoreService service, Drugstore drugstore) =>
+{
+    service.Create(drugstore);
+    return Results.Created($"/drugstores/{drugstore.Id}", drugstore);
+});
+
+app.MapPut("/drugstores/{id}", (DrugstoreService service, Drugstore updatedDrugstore, Guid id) =>
+{
+    var drugstore = service.Get(id);
+    if (drugstore is null) return Results.NotFound();
+
+    service.Update(updatedDrugstore);
+    return Results.Ok(updatedDrugstore);
+});
+
+app.MapDelete("/drugstores/{id}", (DrugstoreService service, Guid id) =>
+{
+    service.Delete(id);
+    return Results.Ok();
+});
+
+app.Run();
+
+public record Drugstore(Guid Id, string Name, string Address);
+
+public class DrugstoreService
+{
+    private readonly List<Drugstore> _drugstores = new();
+
+    public List<Drugstore> GetAll() => _drugstores;
+
+    public Drugstore? Get(Guid id) => _drugstores.FirstOrDefault(d => d.Id == id);
+
+    public void Create(Drugstore newDrugstore) => _drugstores.Add(newDrugstore);
+
+    public void Update(Drugstore updatedDrugstore)
+    {
+        var index = _drugstores.FindIndex(d => d.Id == updatedDrugstore.Id);
+        if (index == -1) return;
+
+        _drugstores[index] = updatedDrugstore;
+    }
+
+    public void Delete(Guid id)
+    {
+        var drugstore = Get(id);
+        if (drugstore is null) return;
+
+        _drugstores.Remove(drugstore);
+    }
+}

tasks/voronkova-es/lab_3/worker-1/Properties/launchSettings.json

@@ -0,0 +1,38 @@
+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:27639",
+      "sslPort": 44315
+    }
+  },
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "http://localhost:5111",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "https://localhost:7158;http://localhost:5111",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

tasks/voronkova-es/lab_3/worker-1/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

tasks/voronkova-es/lab_3/worker-1/appsettings.json

@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}

tasks/voronkova-es/lab_3/worker-1/worker-1.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net7.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <RootNamespace>worker_1</RootNamespace>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="7.0.14" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.5.0" />
+  </ItemGroup>
+
+</Project>

tasks/voronkova-es/lab_3/worker-1/worker-1.sln

@@ -0,0 +1,31 @@
+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31903.59
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "worker-1", "worker-1.csproj", "{1349D735-BA13-4E34-A67C-D6C50025DFA2}"
+EndProject
+Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "worker-2", "..\worker-2\worker-2.csproj", "{55A9B14A-B8D5-42C0-A17E-6615A6A224E9}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{1349D735-BA13-4E34-A67C-D6C50025DFA2}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{1349D735-BA13-4E34-A67C-D6C50025DFA2}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{1349D735-BA13-4E34-A67C-D6C50025DFA2}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{1349D735-BA13-4E34-A67C-D6C50025DFA2}.Release|Any CPU.Build.0 = Release|Any CPU
+		{55A9B14A-B8D5-42C0-A17E-6615A6A224E9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{55A9B14A-B8D5-42C0-A17E-6615A6A224E9}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{55A9B14A-B8D5-42C0-A17E-6615A6A224E9}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{55A9B14A-B8D5-42C0-A17E-6615A6A224E9}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ExtensibilityGlobals) = postSolution
+		SolutionGuid = {D167A75B-99E2-45CB-8668-84D336B4370C}
+	EndGlobalSection
+EndGlobal

tasks/voronkova-es/lab_3/worker-2/Program.cs

@@ -0,0 +1,80 @@
+using Microsoft.OpenApi.Models;
+
+var builder = WebApplication.CreateBuilder(args);
+
+// Add Swagger services
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen(c =>
+{
+    c.SwaggerDoc("v1", new OpenApiInfo { Title = "My API", Version = "v1" });
+});
+
+var app = builder.Build();
+
+// Configure the HTTP request pipeline.
+
+app.UseSwagger();
+app.UseSwaggerUI(c =>
+{
+    c.SwaggerEndpoint("/swagger/v1/swagger.json", "My API V1");
+});
+
+
+List<Medicine> medicines = new List<Medicine>();
+
+app.MapGet("/medicines", () => medicines);
+
+app.MapGet("/medicine/{id}", (Guid id) =>
+{
+var medicine = medicines.FirstOrDefault(m => m.Id == id);
+return medicine is null ? Results.NotFound() : Results.Ok(medicine);
+});
+
+app.MapPost("/medicine", (Medicine medicine) =>
+{
+medicines.Add(medicine);
+return Results.Created($"/medicine/{medicine.Id}", medicine);
+});
+
+app.MapPut("/medicine/{id}", (Guid id, Medicine inputMedicine) =>
+{
+var medicine = medicines.FirstOrDefault(m => m.Id == id);
+
+if (medicine is null) return Results.NotFound();
+
+medicine.Name = inputMedicine.Name;
+medicine.Dose = inputMedicine.Dose;
+medicine.ExpirationDate = inputMedicine.ExpirationDate;
+
+return Results.NoContent();
+});
+
+app.MapDelete("/medicine/{id}", (Guid id) =>
+{
+var medicine = medicines.FirstOrDefault(m => m.Id == id);
+
+if (medicine is null) return Results.NotFound();
+
+medicines.Remove(medicine);
+
+return Results.Ok(medicine);
+});
+
+app.MapGet("/Requests/", async () =>
+{
+    var httpClient = new HttpClient();
+    var secondWorkerResponse = await httpClient.GetStringAsync("http://worker-1:8085/");
+
+    return secondWorkerResponse;
+});
+
+app.Run();
+
+
+public class Medicine
+{
+    public Guid Id { get; set; }
+    public string Name { get; set; }
+    public int Dose { get; set; }
+    public DateTime ExpirationDate { get; set; }
+}

tasks/voronkova-es/lab_3/worker-2/Properties/launchSettings.json

@@ -0,0 +1,38 @@
+{
+  "$schema": "http://json.schemastore.org/launchsettings.json",
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:6437",
+      "sslPort": 44360
+    }
+  },
+  "profiles": {
+    "http": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "http://localhost:5041",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "https": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "https://localhost:7064;http://localhost:5041",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

tasks/voronkova-es/lab_3/worker-2/appsettings.Development.json

@@ -0,0 +1,8 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  }
+}

tasks/voronkova-es/lab_3/worker-2/appsettings.json

@@ -0,0 +1,9 @@
+{
+  "Logging": {
+    "LogLevel": {
+      "Default": "Information",
+      "Microsoft.AspNetCore": "Warning"
+    }
+  },
+  "AllowedHosts": "*"
+}

tasks/voronkova-es/lab_3/worker-2/worker-2.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net7.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <RootNamespace>worker_2</RootNamespace>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="7.0.14" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.5.0" />
+  </ItemGroup>
+
+</Project>