Merge pull request '[Л/Р 3] Халитова Ангелина' (#114) from angelina/distributed-computing:khalitova-am-lab-3 into main

Reviewed-on: http://student.git.athene.tech/v.moiseev/distributed-computing/pulls/114

tasks/khalitova-am/lab_3/.gitignore

@@ -0,0 +1,454 @@
+## Ignore Visual Studio temporary files, build results, and
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tasks/khalitova-am/lab_3/README.md

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+# Отчёт по лабораторной работе №3
+## REST API, Gateway и синхронный обмен между микросервисами
+
+Выполнила: студентка гр. ИСЭбд-41 Халитова А.М.
+
+## Создание микросервисов
+
+В терминале помощью команд `dotnet new web -n worker-1` и `dotnet new web -n worker-2`создано два микросервиса: 
+
+[Код программы worker-1](worker-1/Program.cs)
+
+[Код программы worker-2](worker-2/Program.cs)
+
+
+Далее были добавлены Swagger и OpenAi в проекты. Затем запустили приложения с помощью команды `dotnet run`.
+
+Интерфейс микросервисов c CRUD-операциями - список записей, подробности конкретной записи, создание, удаление и изменение записи:
+worker-1:
+![](shots/shot1.PNG)
+worker-2:
+![](shots/shot2.PNG)
+
+## Реализация синхронного обмена
+
+Синхронный вызов данных с соседнего микросервиса для worker-2 при реализации получения, создания и обновления работ:
+```
+app.MapGet("/getJobs/{clientId}", (string clientId) =>
+{
+    var secondWorkerResponse = httpClient.GetStringAsync("http://worker-1:8080/getClient/" + clientId).Result;
+    Client client = JsonConvert.DeserializeObject<Client>(secondWorkerResponse);
+    if (secondWorkerResponse == null)
+        return Results.NotFound(new { message = "Клиент не найден" });
+    List<Job> clientJobs = jobs.Where(x => x.ClientId == clientId).ToList();
+    return Results.Json(clientJobs);
+})
+ .WithName("GetJobs");
+
+app.MapGet("getJob/{id}", (string id) =>
+{
+    Job? job = jobs.FirstOrDefault(x => x.Id == id);
+    if (job == null)
+        return Results.NotFound(new { message = "Задача не найдена" });
+    return Results.Json(job);
+})
+    .WithName("GetJob");
+
+app.MapPost("createJob", (JobViewModel jobVM) =>
+{
+    var secondWorkerResponse = httpClient.GetStringAsync("http://worker-1:8080/getClient/" + jobVM.ClientId).Result;
+    Client client = JsonConvert.DeserializeObject<Client>(secondWorkerResponse);
+    if (secondWorkerResponse == null)
+        return Results.NotFound(new { message = "Клиент не найден" });
+    Job job = new Job
+    {
+        Id = Guid.NewGuid().ToString(),
+        DeadLine = jobVM.DeadLine,
+        Description = jobVM.Description,
+        Client = client,
+        ClientId = jobVM.ClientId,
+        Title = jobVM.Title,
+    };
+    jobs.Add(job);
+    return Results.Json(job);
+})
+ .WithName("CreateJob");
+
+app.MapPut("updateJob/{id}", (string id, JobViewModel data) =>
+{
+    Job? job = jobs.FirstOrDefault(x => x.Id == id);
+    if (job == null)
+        return Results.NotFound(new { message = "Задача не найдена" });
+var secondWorkerResponse = httpClient.GetStringAsync("http://worker-1:8080/getClient/" + data.ClientId).Result;
+    Client client = JsonConvert.DeserializeObject<Client>(secondWorkerResponse);
+    if (secondWorkerResponse == null)
+        return Results.NotFound(new { message = "Клиент не найден" });
+    job.Title = data.Title;
+    job.DeadLine = data.DeadLine;
+    job.ClientId = data.ClientId;
+    job.Client = client;
+    job.Description = data.Description;
+    return Results.Json(job);
+})
+    .WithName("UpdateJob");
+```
+
+## Реализация gateway при помощи nginx
+
+Файл с настройкой nginx:
+```
+server {
+    listen       8080;
+    listen  [::]:8080;
+    server_name  localhost;
+
+    location / {
+        root   /usr/share/nginx/html;
+        index  index.html index.htm;
+    }
+
+    location /worker-1/ {
+        proxy_pass       http://worker-1:8080/;
+        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-2:8080/;
+        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;
+    }
+}
+```
+Далее запустили команду `docker compose up --build`.
+ 
+В Docker Desktop проверили, что приложение успешно запущено:
+![](shots/shot3.PNG)
+
+Страница `index.html` на шлюзе geteway-1:
+![](shots/shot4.PNG)
+
+worker-1:
+![](shots/shot5.PNG)
+
+worker-2:
+![](shots/shot6.PNG)
+
+
+
+
+
+
+
+
+
+

tasks/khalitova-am/lab_3/docker-compose.yml

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+version: "3.1"
+services:
+  worker-1:
+    build: ./worker-1
+  worker-2:
+    build: ./worker-2
+    depends_on:
+      - worker-1
+  gateway:
+    image: nginx:latest
+    ports:
+      - 8080:8080
+    volumes:
+      - ./static:/usr/share/nginx/html:ro
+      - ./nginx.conf:/etc/nginx/conf.d/default.conf:ro

tasks/khalitova-am/lab_3/nginx.conf

@@ -0,0 +1,26 @@
+server {
+    listen       8080;
+    listen  [::]:8080;
+    server_name  localhost;
+
+    location / {
+        root   /usr/share/nginx/html;
+        index  index.html index.htm;
+    }
+
+    location /worker-1/ {
+        proxy_pass       http://worker-1:8080/;
+        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-2:8080/;
+        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/khalitova-am/lab_3/static/index.html

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+<!DOCTYPE html>
+<html lang="ru">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>Приложение для л/р 3</title>
+</head>
+<body>
+    <p>Выполнила: студентка гр.ИСЭбд-41 Халитова Ангелина</p>
+    <p><a href="/worker-1/">Отправить запрос к worker-1</a></p>
+    <p><a href="/worker-2/">Отправить запрос к worker-2</a></p>
+</body>
+</html>

tasks/khalitova-am/lab_3/worker-1/Dockerfile

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+FROM mcr.microsoft.com/dotnet/sdk:6.0 AS build-env
+WORKDIR /app
+
+COPY . ./
+RUN dotnet restore
+RUN dotnet publish -c Release -o out
+
+FROM mcr.microsoft.com/dotnet/aspnet:6.0
+WORKDIR /app
+COPY --from=build-env /app/out .
+ENTRYPOINT ["dotnet", "worker-1.dll"]

tasks/khalitova-am/lab_3/worker-1/Program.cs

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+var clients = new List<Client>() { 
+    new Client { Id = "638f2a30-ca73-4772-b827-f9e6d0e81a86", Address = "ул. Улица", Name = "Иван" }, 
+    new Client { Id = "638f2a30-ca73-4772-b827-f9e6d0e81a89", Address = "ул. Бульвар", Name = "Петр" }  
+};
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen();
+
+var app = builder.Build();
+
+if (app.Environment.IsDevelopment())
+{
+    app.UseSwagger();
+    app.UseSwaggerUI();
+}
+
+app.UseHttpsRedirection();
+
+app.MapGet("/getClients", () =>
+{
+    return clients;
+})
+ .WithName("GetClients");
+
+app.MapGet("getClient/{id}", (string id) =>
+{
+    Client? client = clients.FirstOrDefault(x => x.Id == id);
+    if (client == null)
+        return Results.NotFound(new { message = "Клиент не найден" });
+    return Results.Json(client);
+})
+.WithName("GetClient");
+
+app.MapPost("createClient", (Client client) =>
+{
+    client.Id = Guid.NewGuid().ToString();
+    clients.Add(client);
+    return client;
+})
+ .WithName("CreateClient");
+
+app.MapPut("updateClient/{id}", (Client data) =>
+{
+    Client? client = clients.FirstOrDefault(x => x.Id == data.Id);
+    if (client == null)
+        return Results.NotFound(new { message = "Клиент не найден" });
+    client.Address = data.Address;
+    client.Name = data.Name;
+    return Results.Json(client);
+})
+.WithName("UpdateClient");
+
+app.MapDelete("deleteClient/{id}", (string id) =>
+{
+    Client? client = clients.FirstOrDefault(x => x.Id == id);
+    if (client == null)
+        return Results.NotFound(new { message = "Клиент не найден" });
+    clients.Remove(client);
+    return Results.Ok();
+})
+ .WithName("DeleteClient");
+
+app.Run();
+public class Client
+{
+    public string Id { get; set; }
+    public string Name { get; set; }
+    public string Address { get; set; }
+}

tasks/khalitova-am/lab_3/worker-1/Properties/launchSettings.json

@@ -0,0 +1,28 @@
+{
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:64210",
+      "sslPort": 44366
+    }
+  },
+  "profiles": {
+    "worker_1": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "https://localhost:7139;http://localhost:5051",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

tasks/khalitova-am/lab_3/worker-1/appsettings.Development.json

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

tasks/khalitova-am/lab_3/worker-1/appsettings.json

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

tasks/khalitova-am/lab_3/worker-1/worker-1.csproj

@@ -0,0 +1,14 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <RootNamespace>worker_1</RootNamespace>
+
+  <ItemGroup>
+    <PackageReference Include="openapi" Version="1.0.1" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.5.0" />
+  </ItemGroup>
+
+</Project>

tasks/khalitova-am/lab_3/worker-2/Dockerfile

@@ -0,0 +1,11 @@
+FROM mcr.microsoft.com/dotnet/sdk:6.0 AS build-env
+WORKDIR /app
+
+COPY . ./
+RUN dotnet restore
+RUN dotnet publish -c Release -o out
+
+FROM mcr.microsoft.com/dotnet/aspnet:6.0
+WORKDIR /app
+COPY --from=build-env /app/out .
+ENTRYPOINT ["dotnet", "worker-2.dll"]

tasks/khalitova-am/lab_3/worker-2/Program.cs

@@ -0,0 +1,111 @@
+using Newtonsoft.Json;
+
+var builder = WebApplication.CreateBuilder(args);
+
+builder.Services.AddEndpointsApiExplorer();
+builder.Services.AddSwaggerGen();
+
+var app = builder.Build();
+
+if (app.Environment.IsDevelopment())
+{
+    app.UseSwagger();
+    app.UseSwaggerUI();
+}
+
+app.UseHttpsRedirection();
+
+var jobs = new List<Job>();
+var httpClient = new HttpClient();
+app.MapGet("/getJobs/{clientId}", (string clientId) =>
+{
+    var secondWorkerResponse = httpClient.GetStringAsync("http://worker-1:8080/getClient/" + clientId).Result;
+    Client client = JsonConvert.DeserializeObject<Client>(secondWorkerResponse);
+    if (secondWorkerResponse == null)
+        return Results.NotFound(new { message = "Клиент не найден" });
+    List<Job> clientJobs = jobs.Where(x => x.ClientId == clientId).ToList();
+    return Results.Json(clientJobs);
+})
+ .WithName("GetJobs");
+
+app.MapGet("getJob/{id}", (string id) =>
+{
+    Job? job = jobs.FirstOrDefault(x => x.Id == id);
+    if (job == null)
+        return Results.NotFound(new { message = "Задача не найдена" });
+    return Results.Json(job);
+})
+    .WithName("GetJob");
+
+app.MapPost("createJob", (JobViewModel jobVM) =>
+{
+    var secondWorkerResponse = httpClient.GetStringAsync("http://worker-1:8080/getClient/" + jobVM.ClientId).Result;
+    Client client = JsonConvert.DeserializeObject<Client>(secondWorkerResponse);
+    if (secondWorkerResponse == null)
+        return Results.NotFound(new { message = "Клиент не найден" });
+    Job job = new Job
+    {
+        Id = Guid.NewGuid().ToString(),
+        DeadLine = jobVM.DeadLine,
+        Description = jobVM.Description,
+        Client = client,
+        ClientId = jobVM.ClientId,
+        Title = jobVM.Title,
+    };
+    jobs.Add(job);
+    return Results.Json(job);
+})
+ .WithName("CreateJob");
+
+app.MapPut("updateJob/{id}", (string id, JobViewModel data) =>
+{
+    Job? job = jobs.FirstOrDefault(x => x.Id == id);
+    if (job == null)
+        return Results.NotFound(new { message = "Задача не найдена" });
+var secondWorkerResponse = httpClient.GetStringAsync("http://worker-1:8080/getClient/" + data.ClientId).Result;
+    Client client = JsonConvert.DeserializeObject<Client>(secondWorkerResponse);
+    if (secondWorkerResponse == null)
+        return Results.NotFound(new { message = "Клиент не найден" });
+    job.Title = data.Title;
+    job.DeadLine = data.DeadLine;
+    job.ClientId = data.ClientId;
+    job.Client = client;
+    job.Description = data.Description;
+    return Results.Json(job);
+})
+    .WithName("UpdateJob");
+
+app.MapDelete("deleteJob/{id}", (string id) =>
+{
+    Job? job = jobs.FirstOrDefault(x => x.Id == id);
+    if (job == null)
+        return Results.NotFound(new { message = "Задача не найдена" });
+    jobs.Remove(job);
+    return Results.Ok();
+})
+ .WithName("DeleteJob");
+
+app.Run();
+
+    public class Client
+    {
+        public string Id { get; set; }
+        public string Name { get; set; }
+        public string Address { get; set; }
+    }
+        public class Job
+    {
+        public string Id { get; set; }
+        public string Title { get; set; }
+        public string Description { get; set; }
+        public DateTime DeadLine { get; set; }
+        public string ClientId { get; set; }
+        public Client Client { get; set; }
+    }
+        public class JobViewModel
+    {
+        public string Title { get; set; }
+        public string Description { get; set; }
+        public DateTime DeadLine { get; set; }
+        public string ClientId { get; set; }
+    }

tasks/khalitova-am/lab_3/worker-2/Properties/launchSettings.json

@@ -0,0 +1,28 @@
+{
+  "iisSettings": {
+    "windowsAuthentication": false,
+    "anonymousAuthentication": true,
+    "iisExpress": {
+      "applicationUrl": "http://localhost:21583",
+      "sslPort": 44340
+    }
+  },
+  "profiles": {
+    "worker_2": {
+      "commandName": "Project",
+      "dotnetRunMessages": true,
+      "launchBrowser": true,
+      "applicationUrl": "https://localhost:7037;http://localhost:5066",
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    },
+    "IIS Express": {
+      "commandName": "IISExpress",
+      "launchBrowser": true,
+      "environmentVariables": {
+        "ASPNETCORE_ENVIRONMENT": "Development"
+      }
+    }
+  }
+}

tasks/khalitova-am/lab_3/worker-2/appsettings.Development.json

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

tasks/khalitova-am/lab_3/worker-2/appsettings.json

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

tasks/khalitova-am/lab_3/worker-2/worker-2.csproj

@@ -0,0 +1,16 @@
+<Project Sdk="Microsoft.NET.Sdk.Web">
+
+  <PropertyGroup>
+    <TargetFramework>net6.0</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <RootNamespace>worker_2</RootNamespace>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="newtonsoft.json" Version="13.0.3" />
+    <PackageReference Include="openapi" Version="1.0.1" />
+    <PackageReference Include="Swashbuckle.AspNetCore" Version="6.5.0" />
+  </ItemGroup>
+
+</Project>