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