mironor-eo-lab-3

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ruden 2023-12-04 23:02:10 +03:00
parent 39090162a2
commit 993d701ee6
33 changed files with 1227 additions and 0 deletions

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# Отчет по лабораторной работе №3
Выполнил студент гр. ИСЭбд-41 Миронов Е.О.
## REST API, Gateway и синхронный обмен между микросервисами
## Создание микросервисов
1. С помощью команды `dotnet new web -n worker-1` в терминале создал первый микросервис
2. Добавил решение командой `dotnet new sln`
3. Связал решение и проект командой `dotnet sln worker-1.sln add worker-1.csproj`
4. Повторил действие для второго микросервиса
5. Добавил библиотеку Swagger и OpenAi в проекты и запустил с помощью команды `dotnet run`
6. Заложил в приложения следующую логику :
worker-1 - CRUD для сущности Company
worker-2 - CRUD для сущности Employee
К одной Company относится много Employee
Скриншоты API обоих приложений:
![](pic/1.png)
![](pic/2.png)
## Реализация синхронного обмена
Реализовал простое хранилище, которое при инициализации обращается вызывает сихронно данные из соседнего микросервиса.
Далее эти данные используются при обработке запросов к API
```cs
public class Storage
{
private static Random rand = new Random();
public static CompanyDal[] Companies { get; set; }
public static List<EmployeeDal> Employees { get; set; }
static Storage()
{
var client = new HttpClient();
string reqUrl = $"http://worker-1:8080/Companies/";
Companies = client.GetFromJsonAsync<CompanyDal[]>(reqUrl).Result;//для простоты блокируем
Employees = new List<EmployeeDal>()
{
new EmployeeDal() { EmployeeId = Guid.NewGuid(), BirthDate = DateTime.Today.AddDays(-100), CompanyId = Companies[rand.Next(Companies.Length)].CompanyId, FullName = "Миронов Евгений Олегович", Position = "Ведущий разработчик" },
new EmployeeDal() { EmployeeId = Guid.NewGuid(), BirthDate = DateTime.Today.AddDays(-150), CompanyId = Companies[rand.Next(Companies.Length)].CompanyId, FullName = "Сидоров Петр Иванович", Position = "Уборщик" }
};
}
}
```
## Реализация gateway при помощи nginx
Добавил nginx.conf:
```conf
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;
}
}
```
Результат, после выполнения команды `docker-compose up`:
Docker:
![](pic/3.png)
index.html на gateway-1:
![](pic/4.png)
worker-1:
![](pic/5.png)
worker-2:
companyId - берется из другого приложения. Идентификаторы совпали -> все отработало корректно
![](pic/6.png)

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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

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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;
}
}

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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>Тестовое приложение для л/р 3</title>
</head>
<body>
<p>Миронов Е.О. ИСЭбд-41.</p>
<p><a href="/worker-1/Companies/">Отправить запрос к worker-1</a></p>
<p><a href="/worker-2/Employees/">Отправить запрос к worker-2</a></p>
</html>

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FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build-env
WORKDIR /app
COPY . ./
RUN dotnet restore
RUN dotnet publish -c Release -o out
FROM mcr.microsoft.com/dotnet/aspnet:8.0
WORKDIR /app
COPY --from=build-env /app/out .
ENTRYPOINT ["dotnet", "worker-1.dll"]

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namespace worker_1.Models.Company.Create
{
public class CompanyForm
{
public string Name { get; set; }
public string FieldOfActivity { get; set; }
public string Location { get; set; }
}
}

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namespace worker_1.Models.Company.Get
{
public class CompanyResult
{
public Guid CompanyId { get; set; }
public string Name { get; set; }
public string FieldOfActivity { get; set; }
public string Location { get; set; }
}
}

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namespace worker_1.Models.Company.GetList
{
public class CompanyResult
{
public Guid CompanyId { get; set; }
public string Name { get; set; }
public string FieldOfActivity { get; set; }
public string Location { get; set; }
}
}

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namespace worker_1.Models.Company.Update
{
public class CompanyForm
{
public string Name { get; set; }
public string FieldOfActivity { get; set; }
public string Location { get; set; }
}
}

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using Microsoft.AspNetCore.Mvc;
List<CompanyDal> companies = new()
{
new CompanyDal() { CompanyId = Guid.NewGuid(), Name = "Microsoft", FieldOfActivity = "Информационные технологии", Location = "США"},
new CompanyDal() { CompanyId = Guid.NewGuid(), Name = "Додо пицца", FieldOfActivity = "Питание", Location = "Россия"},
new CompanyDal() { CompanyId = Guid.NewGuid(), Name = "Renault", FieldOfActivity = "Автомобилестроение", Location = "Франция"},
};
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("/Companies/", () =>
{
var result = companies.Select(r => new worker_1.Models.Company.GetList.CompanyResult()
{
CompanyId = r.CompanyId,
Name = r.Name,
FieldOfActivity = r.FieldOfActivity,
Location = r.Location,
}).ToArray();
return Results.Ok(result);
})
.WithName("List")
.WithOpenApi();
app.MapGet("/Companies/{companyId}", (Guid companyId) =>
{
var company = companies.FirstOrDefault(r => r.CompanyId == companyId);
if (company is null)
{
return Results.NotFound($"Не найдена компания {companyId}");
}
return Results.Json(new worker_1.Models.Company.Get.CompanyResult()
{
CompanyId = company.CompanyId,
Name = company.Name,
FieldOfActivity = company.FieldOfActivity,
Location = company.Location,
});
})
.WithName("Get")
.WithOpenApi();
app.MapPost("/Companies/", ([FromBody] worker_1.Models.Company.Create.CompanyForm request) =>
{
Guid companyId = Guid.NewGuid();
companies.Add(new CompanyDal()
{
CompanyId = companyId,
FieldOfActivity = request.FieldOfActivity,
Location = request.Location,
Name = request.Name,
});
return Results.Ok(companyId);
})
.WithName("Create")
.WithOpenApi();
app.MapPatch("/Companies/{companyId}", (Guid companyId, [FromBody] worker_1.Models.Company.Create.CompanyForm request) =>
{
var company = companies.FirstOrDefault(r => r.CompanyId == companyId);
if (company is null)
{
return Results.NotFound($"Не найдена компания {companyId}");
}
if (!string.IsNullOrEmpty(request.Name))
{
company.Name = request.Name;
}
if (!string.IsNullOrEmpty(request.Location))
{
company.Location = request.Location;
}
if (!string.IsNullOrEmpty(request.FieldOfActivity))
{
company.FieldOfActivity = request.FieldOfActivity;
}
return Results.Ok(company);
})
.WithName("Update")
.WithOpenApi();
app.MapDelete("/Companies/{companyId}", (Guid companyId) =>
{
var company = companies.FirstOrDefault(r => r.CompanyId == companyId);
if (company is null)
{
return Results.NotFound($"Не найдена компания {companyId}");
}
companies.Remove(company);
return Results.Ok(companyId);
})
.WithName("Delete")
.WithOpenApi();
app.Run();
public class CompanyDal
{
public Guid CompanyId { get; set; }
public string Name { get; set; }
public string FieldOfActivity { get; set; }
public string Location { get; set; }
}

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{
"$schema": "http://json.schemastore.org/launchsettings.json",
"iisSettings": {
"windowsAuthentication": false,
"anonymousAuthentication": true,
"iisExpress": {
"applicationUrl": "http://localhost:51956",
"sslPort": 44303
}
},
"profiles": {
"http": {
"commandName": "Project",
"dotnetRunMessages": true,
"launchBrowser": true,
"applicationUrl": "http://localhost:5197",
"environmentVariables": {
"ASPNETCORE_ENVIRONMENT": "Development"
}
},
"https": {
"commandName": "Project",
"dotnetRunMessages": true,
"launchBrowser": true,
"applicationUrl": "https://localhost:7027;http://localhost:5197",
"environmentVariables": {
"ASPNETCORE_ENVIRONMENT": "Development"
}
},
"IIS Express": {
"commandName": "IISExpress",
"launchBrowser": true,
"environmentVariables": {
"ASPNETCORE_ENVIRONMENT": "Development"
}
}
}
}

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{
"Logging": {
"LogLevel": {
"Default": "Information",
"Microsoft.AspNetCore": "Warning"
}
}
}

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

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<Project Sdk="Microsoft.NET.Sdk.Web">
<PropertyGroup>
<TargetFramework>net8.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
<RootNamespace>worker_1</RootNamespace>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.0" />
<PackageReference Include="Swashbuckle.AspNetCore" Version="6.5.0" />
</ItemGroup>
</Project>

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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.0.31903.59
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "worker-1", "worker-1.csproj", "{90F6C7BD-78E2-47C8-A702-DD47E74D3865}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{90F6C7BD-78E2-47C8-A702-DD47E74D3865}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{90F6C7BD-78E2-47C8-A702-DD47E74D3865}.Debug|Any CPU.Build.0 = Debug|Any CPU
{90F6C7BD-78E2-47C8-A702-DD47E74D3865}.Release|Any CPU.ActiveCfg = Release|Any CPU
{90F6C7BD-78E2-47C8-A702-DD47E74D3865}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
EndGlobal

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FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build-env
WORKDIR /app
COPY . ./
RUN dotnet restore
RUN dotnet publish -c Release -o out
FROM mcr.microsoft.com/dotnet/aspnet:8.0
WORKDIR /app
COPY --from=build-env /app/out .
ENTRYPOINT ["dotnet", "worker-2.dll"]

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namespace worker_2.Models.Employee.Create
{
public class EmployeeForm
{
public DateTime? BirthDate { get; set; }
public Guid CompanyId { get; set; }
public string FullName { get; set; }
public string Position { get; set; }
}
}

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@ -0,0 +1,15 @@
namespace worker_2.Models.Employee.Get
{
public class EmployeeResult
{
public Guid EmployeeId { get; set; }
public DateTime? BirthDate { get; set; }
public Guid CompanyId { get; set; }
public string FullName { get; set; }
public string Position { get; set; }
}
}

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namespace worker_2.Models.Employee.GetList
{
public class EmployeeResult
{
public Guid EmployeeId { get; set; }
public DateTime? BirthDate { get; set; }
public Guid CompanyId { get; set; }
public string FullName { get; set; }
public string Position { get; set; }
}
}

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namespace worker_2.Models.Employee.Update
{
public class EmployeeForm
{
public DateTime BirthDate { get; set; }
public Guid CompanyId { get; set; }
public string FullName { get; set; }
public string Position { get; set; }
}
}

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using Microsoft.AspNetCore.Mvc;
using System.Text;
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("/Employees/", () =>
{
var result = Storage.Employees.Select(r => new worker_2.Models.Employee.GetList.EmployeeResult()
{
CompanyId = r.CompanyId,
FullName = r.FullName,
BirthDate = r.BirthDate,
EmployeeId = r.EmployeeId,
Position = r.Position,
}).ToArray();
return Results.Ok(result);
})
.WithName("List")
.WithOpenApi();
app.MapGet("/Employees/{employeeId}", (Guid employeeId) =>
{
var employee = Storage.Employees.FirstOrDefault(r => r.EmployeeId == employeeId);
if (employee is null)
{
return Results.NotFound($"Не найден работник {employeeId}");
}
return Results.Json(new worker_2.Models.Employee.Get.EmployeeResult()
{
CompanyId = employee.CompanyId,
FullName = employee.FullName,
BirthDate = employee.BirthDate,
EmployeeId = employee.EmployeeId,
Position = employee.Position,
});
})
.WithName("Get")
.WithOpenApi();
app.MapPost("/Employees/", ([FromBody] worker_2.Models.Employee.Create.EmployeeForm request) =>
{
if (Storage.Companies.FirstOrDefault(x => x.CompanyId == request.CompanyId) is null)
{
return Results.NotFound($"Не найдена компания {request.CompanyId}");
}
Guid employeeId = Guid.NewGuid();
Storage.Employees.Add(new EmployeeDal()
{
EmployeeId = employeeId,
BirthDate = request.BirthDate,
CompanyId = request.CompanyId,
FullName = request.FullName,
Position = request.Position,
});
return Results.Ok(employeeId);
})
.WithName("Create")
.WithOpenApi();
app.MapPatch("/Employees/{employeeId}", (Guid employeeId, [FromBody] worker_2.Models.Employee.Create.EmployeeForm request) =>
{
var employee = Storage.Employees.FirstOrDefault(r => r.EmployeeId == employeeId);
if (employee is null)
{
return Results.NotFound($"Не найден работник {employeeId}");
}
if(Storage.Companies.FirstOrDefault(x => x.CompanyId == request.CompanyId) is null)
{
return Results.NotFound($"Не найдена компания {request.CompanyId}");
}
if (!string.IsNullOrEmpty(request.FullName))
{
employee.FullName = request.FullName;
}
if (!string.IsNullOrEmpty(request.Position))
{
employee.Position = request.Position;
}
if (request.BirthDate.HasValue)
{
employee.BirthDate = request.BirthDate.Value;
}
return Results.Ok(employee);
})
.WithName("Update")
.WithOpenApi();
app.MapDelete("/Employees/{employeeId}", (Guid employeeId) =>
{
var employee = Storage.Employees.FirstOrDefault(r => r.EmployeeId == employeeId);
if (employee is null)
{
return Results.NotFound($"Не найден работник {employeeId}");
}
Storage.Employees.Remove(employee);
return Results.Ok(employeeId);
})
.WithName("Delete")
.WithOpenApi();
app.Run();
public class EmployeeDal
{
public Guid EmployeeId { get; set; }
public DateTime? BirthDate { get; set; }
public Guid CompanyId { get; set; }
public string FullName { get; set; }
public string Position { get; set; }
}
public class CompanyDal
{
public Guid CompanyId { get; set; }
public string Name { get; set; }
public string FieldOfActivity { get; set; }
public string Location { get; set; }
}
public class Storage
{
private static Random rand = new Random();
public static CompanyDal[] Companies { get; set; }
public static List<EmployeeDal> Employees { get; set; }
static Storage()
{
var client = new HttpClient();
string reqUrl = $"http://worker-1:8080/Companies/";
Companies = client.GetFromJsonAsync<CompanyDal[]>(reqUrl).Result;//для простоты блокируем
Employees = new List<EmployeeDal>()
{
new EmployeeDal() { EmployeeId = Guid.NewGuid(), BirthDate = DateTime.Today.AddDays(-100), CompanyId = Companies[rand.Next(Companies.Length)].CompanyId, FullName = "Миронов Евгений Олегович", Position = "Ведущий разработчик" },
new EmployeeDal() { EmployeeId = Guid.NewGuid(), BirthDate = DateTime.Today.AddDays(-150), CompanyId = Companies[rand.Next(Companies.Length)].CompanyId, FullName = "Сидоров Петр Иванович", Position = "Уборщик" }
};
}
}

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@ -0,0 +1,38 @@
{
"$schema": "http://json.schemastore.org/launchsettings.json",
"iisSettings": {
"windowsAuthentication": false,
"anonymousAuthentication": true,
"iisExpress": {
"applicationUrl": "http://localhost:36404",
"sslPort": 44384
}
},
"profiles": {
"http": {
"commandName": "Project",
"dotnetRunMessages": true,
"launchBrowser": true,
"applicationUrl": "http://localhost:5101",
"environmentVariables": {
"ASPNETCORE_ENVIRONMENT": "Development"
}
},
"https": {
"commandName": "Project",
"dotnetRunMessages": true,
"launchBrowser": true,
"applicationUrl": "https://localhost:7125;http://localhost:5101",
"environmentVariables": {
"ASPNETCORE_ENVIRONMENT": "Development"
}
},
"IIS Express": {
"commandName": "IISExpress",
"launchBrowser": true,
"environmentVariables": {
"ASPNETCORE_ENVIRONMENT": "Development"
}
}
}
}

View File

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

View File

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

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@ -0,0 +1,15 @@
<Project Sdk="Microsoft.NET.Sdk.Web">
<PropertyGroup>
<TargetFramework>net8.0</TargetFramework>
<Nullable>enable</Nullable>
<ImplicitUsings>enable</ImplicitUsings>
<RootNamespace>worker_2</RootNamespace>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.AspNetCore.OpenApi" Version="8.0.0" />
<PackageReference Include="Swashbuckle.AspNetCore" Version="6.5.0" />
</ItemGroup>
</Project>

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@ -0,0 +1,22 @@

Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.0.31903.59
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "worker-2", "worker-2.csproj", "{C9D63524-2C63-4E86-91B6-D86955CFA5F8}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{C9D63524-2C63-4E86-91B6-D86955CFA5F8}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{C9D63524-2C63-4E86-91B6-D86955CFA5F8}.Debug|Any CPU.Build.0 = Debug|Any CPU
{C9D63524-2C63-4E86-91B6-D86955CFA5F8}.Release|Any CPU.ActiveCfg = Release|Any CPU
{C9D63524-2C63-4E86-91B6-D86955CFA5F8}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
EndGlobal