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# Отчёт по лабораторной работе №2
Выполнил: студентка гр. ИСЭбд-41 Клементьева Жанна.
Вариант программы 1: Ищет в каталоге `/var/data` файл с наибольшим количеством строк и перекладывает его в `/var/result/data.txt`.
Вариант программы 2: Ищет наименьшее число из файла `/var/data/data.txt` и сохраняет количество таких чисел из последовательности в `/var/result/result.txt`.
## Создание приложений
Создадим 2 приложения.
Был выбран язык C# и технология .NET 6, потому что потому.
Для создания обычных консольных приложений воспользуемся командами:
```sh
dotnet new console -o worker-1
dotnet new console -o worker-2
```
Согласно варианту программа 1 ищет в каталоге `/var/data` файл с наибольшим количеством строк и перекладывает его в `/var/result/data.txt`.
[Исходный текст программы worker-1](worker-1/Program.cs)
Согласно варианту программа 2 ищет наименьшее число из файла `/var/data/data.txt` и сохраняет количество таких чисел из последовательности в `/var/result/result.txt`.
[Исходный текст программы worker-2](worker-2/Program.cs)
Дополнительно создан файл [.gitignore](.gitignore) для того, чтобы не закоммитить в git ничего лишнего.
## Настройка окружения
Для связи двух приложений воспользуемся следующей схемой:
1. Каталог `./data` должен быть примонтирован в каталог `/var/data` для программы 1.
Оттуда будут браться исходные данные.
2. Каталог `./result-1` должен быть примонтирован в каталог `/var/result` для программы 2.
Туда будут складываться промежуточные данные.
3. Каталог `./result-1` также должен быть примонтирован в каталог `/var/data` для программы 2.
Оттуда будут браться промежуточные результаты.
4. Каталог `./result` должен быть примонтирован в каталог `/var/result` для программы 2.
Туда будут складывать результаты финальной обработки.
Для каждой программы были созданы файлы Dockerfile ([программа 1](worker-1/Dockerfile.yml), [программа 2](worker-1/Dockerfile.yml)) с подробным описанием процесса сборки.
Был создан файл [docker-compose.yml](docker-compose.yml), в котором указан манифест для запуска распределённого приложения.
Дополнительно был создан файл [.gitignore](.gitignore), чтобы исключить для сборки и коммита всё лишнее.
## Сборка и запуск
В каталог `./data` помещены 2 файла.
В первом файле были числа 1 2 3, во втором 1 1 7 5 3 1.
Для запуска приложения необходимо ввести команду `docker compose up ---build`.
Результат запуска после сборки:
```
[+] Running 2/0
- Container lab_2-worker-1-1 Created
- Container lab_2-worker-2-1 Created
Attaching to lab_2-worker-1-1, lab_2-worker-2-1
lab_2-worker-1-1 | Начало обработки файла /var/data/another data.txt
lab_2-worker-1-1 | Начало обработки файла /var/data/data.txt
lab_2-worker-1-1 exited with code 0
lab_2-worker-2-1 | Чисел для обработки: 8
lab_2-worker-2-1 exited with code 0
```
В результате в каталоге `./result` создался файл `result.txt` с содержимым `3`, что соответствует входным данным.
Изменение значений в файлах из каталога `./data` также изменяет содержимое в файлах из каталогов `./result-1` и `./result`.
![resultat](resultat.png)

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version: "3.1"
services:
worker-1:
build: ./worker-1
volumes:
#монтируем локальную папку в запущенный образ контейнера
- ./data:/var/data
- ./result-1:/var/result
worker-2:
build: ./worker-2
volumes:
- ./result-1:/var/data
- ./result:/var/result
#добавляется зависимость, так как по условию второе приложение зависит от первого
depends_on:
- worker-1

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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.5.002.0
MinimumVisualStudioVersion = 10.0.40219.1
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "worker-1", "worker-1\worker-1.csproj", "{F6B29C3F-FC5C-4B48-A594-4B9316A21F56}"
EndProject
Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "worker-2", "worker-2\worker-2.csproj", "{B18DF6BB-6783-4F53-A5EE-140D07BF447C}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{F6B29C3F-FC5C-4B48-A594-4B9316A21F56}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{F6B29C3F-FC5C-4B48-A594-4B9316A21F56}.Debug|Any CPU.Build.0 = Debug|Any CPU
{F6B29C3F-FC5C-4B48-A594-4B9316A21F56}.Release|Any CPU.ActiveCfg = Release|Any CPU
{F6B29C3F-FC5C-4B48-A594-4B9316A21F56}.Release|Any CPU.Build.0 = Release|Any CPU
{B18DF6BB-6783-4F53-A5EE-140D07BF447C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{B18DF6BB-6783-4F53-A5EE-140D07BF447C}.Debug|Any CPU.Build.0 = Debug|Any CPU
{B18DF6BB-6783-4F53-A5EE-140D07BF447C}.Release|Any CPU.ActiveCfg = Release|Any CPU
{B18DF6BB-6783-4F53-A5EE-140D07BF447C}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {D0BD68D2-E574-457E-B29C-4A1167DE76D6}
EndGlobalSection
EndGlobal

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1
2
3

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1
1
7
5
3
1

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1
2
3
4
5

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3147483647

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#указываем образ из которого будем брать все слои
FROM mcr.microsoft.com/dotnet/sdk:6.0 AS build-env
#папка, с которой мы будем работать
WORKDIR /App
#копируем файл в рабочую дерикторию
COPY . ./
#запускаем команду
RUN dotnet restore
RUN dotnet publish -c Release -o out
FROM mcr.microsoft.com/dotnet/aspnet:6.0
WORKDIR /App
#копирует не из файловой системы хоста, а из того, что собрали на прерыдущей стадии
COPY --from=build-env /App/out .
ENTRYPOINT ["dotnet", "worker-1.dll"]

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var files = Directory.GetFiles("/var/data");
int maxCount = 0;
string lagrestFile = "";
foreach(var file in files){
var lines = File.ReadAllLines(file);
if(lines.Count() > maxCount){
maxCount = lines.Count();
lagrestFile = file;
}
}
if(File.Exists("/var/result/data.txt"))
File.Delete("/var/result/data.txt");
File.Move(lagrestFile, "/var/result/data.txt");

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<RootNamespace>worker_1</RootNamespace>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
</Project>

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#указываем образ из которого будем брать все слои
FROM mcr.microsoft.com/dotnet/sdk:6.0 AS build-env
#папка, с которой мы будем работать
WORKDIR /App
#копируем файл в рабочую дерикторию
COPY . ./
#запускаем команду
RUN dotnet restore
RUN dotnet publish -c Release -o out
FROM mcr.microsoft.com/dotnet/aspnet:6.0
WORKDIR /App
#копирует не из файловой системы хоста, а из того, что собрали на прерыдущей стадии
COPY --from=build-env /App/out .
ENTRYPOINT ["dotnet", "worker-2.dll"]

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using System.Text;
int[] numbers = File.ReadAllLines("/var/data/data.txt").Select(x=> int.Parse(x)).ToArray();
int minNumber = int.MaxValue;
int minNumberCount = 0;
foreach(var number in numbers){
if(number > minNumber){
continue;
}
if(number == minNumber){
minNumberCount++;
continue;
}
if(number < minNumber){
minNumber = number;
minNumberCount = 1;
}
}
using(FileStream fstream = new FileStream("/var/result/result.txt", FileMode.OpenOrCreate)){
byte[] buffer = Encoding.Default.GetBytes(minNumberCount.ToString());
await fstream.WriteAsync(buffer, 0, buffer.Length);
}
Console.WriteLine(minNumberCount);

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net6.0</TargetFramework>
<RootNamespace>worker_2</RootNamespace>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
</Project>

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tasks/klementeva-ja/lab_3/.gitignore vendored Normal file
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.idea/
# Visual Studio Code
.vscode/
# Output folder used by Webpack or other FE stuff
**/node_modules/*
**/wwwroot/*
# SpecFlow specific
*.feature.cs
*.feature.xlsx.*
*.Specs_*.html
# UWP Projects
AppPackages/
#####
# End of core ignore list, below put you custom 'per project' settings (patterns or path)
#####

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# Отчет по лабораторной работе №3 REST API, Gateway и синхронный обмен между микросервисами
Выполнила студентка гр. ИСЭбд-41 Клементьева Ж.А.
## Создание микросервисов
Создание микросервисов было реализовано следующим образом:
1. С помощью команды `dotnet new web -n worker-2` в терминале создала первый микросервис, где решение добавила командой `dotnet new sln`.
2. Также использовала данную команду: `dotnet sln worker-2.sln add worker-2.csproj` с целью связки решения и проекта.
3. Аналогичные действия были совершены со вторым микросервисом.
4. Были добавлены библиотеки Swagger и OpenAi в проекты.
5. Также проект был запущен с помощью команды `dotnet run`.
Скриншоты микросервисов worker 1 и worker 2:
![](pic/1.png)
![](pic/2.png)
Путь localhost:8080:
![](pic/3.png)
![](pic/4.png)
## Синхронный обмен
Также мною был реализован код, вызывающий сихронно данные из соседнего микросервиса.
```cs
//worker-2
app.MapGet("/Requests/", async () =>
{
var httpClient = new HttpClient();
var secondWorkerResponse = await httpClient.GetStringAsync("http://worker-1:8080/");
return secondWorkerResponse.ToArray();
})
.WithName("GetRequests")
.WithOpenApi();
```
## Реализация gateway, используя nginx
Мною был добавлен 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;
}
}
```
После выполнения команды `docker-compose up` были получены такие результаты:
Результат worker1:
![](pic/5.png)
Результат worker2:
![](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 по лабораторной работе №3 </title>
</head>
<body>
<p>Клементьева Ж.А. ИСЭбд-41.</p>
<p><a href="/worker-1/"> Запрос к worker-1</a></p>
<p><a href="/worker-2/"> Запрос к worker-2</a></p>
</body>
</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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List<Request> requests = new()
{
new Request() { Uuid= Guid.Parse("7184fa5f-b786-4478-863a-99cc000eb752"), Title = "Расход на внедрение системы менеджмента качества", SourceOfFunds = "Шуреков", Sum = 100000, IsCompleted = false },
new Request() { Uuid= Guid.Parse("55a9aed1-218a-468e-92b9-99f6a6a34543"), Title = "Расход на сопровождение проекта", SourceOfFunds = "Клементьев", Sum = 25000, IsCompleted = true },
};
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("/", () =>
{
return requests.Select(r => new RequestEntityDto()
{
Uuid = r.Uuid,
Title = r.Title,
Sum = r.Sum,
SourceOfFunds = r.SourceOfFunds,
IsCompleted = r.IsCompleted,
});
})
.WithName("GetRequests")
.WithOpenApi();
app.MapGet("/{uuid}", (Guid uuid) =>
{
var request = requests.FirstOrDefault(r => r.Uuid == uuid);
if (request == null)
return Results.NotFound();
return Results.Json(new RequestEntityDto()
{
Uuid = request.Uuid,
Title = request.Title,
Sum = request.Sum,
SourceOfFunds = request.SourceOfFunds,
IsCompleted = request.IsCompleted,
});
})
.WithName("GetRequestByGUID")
.WithOpenApi();
app.MapPost("/{title}/{sourceOfFunds}/{sum}/{isCompleted}", (string title, string sourceOfFunds, decimal sum, bool isCompleted) =>
{
Guid NewGuid = Guid.NewGuid();
requests.Add(new Request() { Uuid = NewGuid, Title = (string)title, SourceOfFunds = (string)sourceOfFunds, Sum = (decimal)sum, IsCompleted = (bool)isCompleted});
var request = requests.FirstOrDefault(r => r.Uuid == NewGuid);
if (request == null)
return Results.NotFound();
return Results.Json(new RequestEntityDto()
{
Uuid = request.Uuid,
Title = request.Title,
Sum = request.Sum,
SourceOfFunds = request.SourceOfFunds,
IsCompleted = request.IsCompleted,
});
})
.WithName("PostRequest")
.WithOpenApi();
app.MapPatch("/{uuid}/{title}/{sourceOfFunds}/{sum}/{isCompleted}", (Guid uuid, string ?title, string ?sourceOfFunds, decimal sum, bool isCompleted) =>
{
var request = requests.FirstOrDefault(r => r.Uuid == uuid);
if (request == null)
return Results.NotFound();
if (title != null) request.Title = title;
if (sourceOfFunds != ",") request.SourceOfFunds = sourceOfFunds;
if (sum != request.Sum && sum != 0) request.Sum = sum;
if (isCompleted != request.IsCompleted) request.IsCompleted = isCompleted;
return Results.Json(new RequestEntityDto()
{
Uuid = request.Uuid,
Title = request.Title,
Sum = request.Sum,
SourceOfFunds = request.SourceOfFunds,
IsCompleted = request.IsCompleted,
});
})
.WithName("UpdateRequest")
.WithOpenApi();
app.MapDelete("/{uuid}", (Guid uuid) =>
{
var request = requests.FirstOrDefault(r => r.Uuid == uuid);
if (request == null)
return Results.NotFound();
requests.Remove(request);
return Results.Json(new RequestEntityDto()
{
Uuid = request.Uuid,
Title = request.Title,
Sum = request.Sum,
SourceOfFunds = request.SourceOfFunds,
IsCompleted = request.IsCompleted,
});
})
.WithName("DeleteRequestByGUID")
.WithOpenApi();
app.Run();
public class Request
{
public Guid Uuid { get; set; }
public string Title { get; set; } = string.Empty;
public string SourceOfFunds { get; set; } = string.Empty;
public decimal Sum { get; set; } = 0;
public bool IsCompleted { get; set; }
}
public class RequestEntityDto : Request { }

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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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@ -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-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"]

View File

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List<Agreement> agrs = new()
{
new Agreement() { Uuid= Guid.NewGuid(), Number = "ISO-13485", Date = new DateOnly(), Sum = 50000, IdRequest = Guid.Parse("7184fa5f-b786-4478-863a-99cc000eb752") }
};
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("/", () =>
{
return agrs.Select(r => new AgreementEntityDto()
{
Uuid = r.Uuid,
Number = r.Number,
Sum = r.Sum,
Date = r.Date,
IdRequest = r.IdRequest,
});
})
.WithName("GetAgreements")
.WithOpenApi();
app.MapGet("/{uuid}", (Guid uuid) =>
{
var agr = agrs.FirstOrDefault(r => r.Uuid == uuid);
if (agr == null)
return Results.NotFound();
return Results.Json(new AgreementEntityDto()
{
Uuid = agr.Uuid,
Number = agr.Number,
Sum = agr.Sum,
Date = agr.Date,
IdRequest = agr.IdRequest,
});
})
.WithName("GetAgreementByGUID")
.WithOpenApi();
app.MapPost("/{number}/{date}/{sum}/{idRequest}", (string? number, DateOnly date, decimal sum, Guid idRequest) =>
{
Guid NewGuid = Guid.NewGuid();
agrs.Add(new Agreement() { Uuid = NewGuid, Number = (string)number, Date = (DateOnly)date, Sum = (decimal)sum, IdRequest = (Guid)idRequest });
var agr = agrs.FirstOrDefault(r => r.Uuid == NewGuid);
if (agr == null)
return Results.NotFound();
return Results.Json(new AgreementEntityDto()
{
Uuid = agr.Uuid,
Number = agr.Number,
Sum = agr.Sum,
Date = agr.Date,
IdRequest = agr.IdRequest,
});
})
.WithName("PostAgreement")
.WithOpenApi();
app.MapPatch("/{uuid}/{number}/{date}/{sum}/{idRequest}", (Guid uuid, string ?number, DateOnly date, decimal sum, Guid idRequest) =>
{
var agr = agrs.FirstOrDefault(r => r.Uuid == uuid);
if (agr == null)
return Results.NotFound();
if (number != ",") agr.Number = number;
if (date != null)agr.Date = date;
if (sum != agr.Sum && sum != 0) agr.Sum = sum;
if (idRequest != agr.IdRequest) agr.IdRequest = idRequest;
return Results.Json(new AgreementEntityDto()
{
Uuid = agr.Uuid,
Number = agr.Number,
Sum = agr.Sum,
Date = agr.Date,
IdRequest = agr.IdRequest,
});
})
.WithName("UpdateAgreement")
.WithOpenApi();
app.MapDelete("/{uuid}", (Guid uuid) =>
{
var agr = agrs.FirstOrDefault(r => r.Uuid == uuid);
if (agr == null)
return Results.NotFound();
agrs.Remove(agr);
return Results.Json(new AgreementEntityDto()
{
Uuid = agr.Uuid,
Number = agr.Number,
Sum = agr.Sum,
Date = agr.Date,
IdRequest = agr.IdRequest,
});
})
.WithName("DeleteAgreement")
.WithOpenApi();
app.MapGet("/Requests/", async () =>
{
var httpClient = new HttpClient();
var secondWorkerResponse = await httpClient.GetStringAsync("http://worker-1:8080/");
return secondWorkerResponse.ToArray();
})
.WithName("GetRequests")
.WithOpenApi();
app.Run();
public class Agreement
{
public Guid Uuid { get; set; }
public string Number { get; set; } = string.Empty;
public DateOnly Date { get; set; }
public Guid IdRequest { get; set; }
public decimal Sum { get; set; } = 0;
}
public class AgreementEntityDto : Agreement { }
public class Request
{
public Guid Uuid { get; set; }
public string Title { get; set; } = string.Empty;
public string SourceOfFunds { get; set; } = string.Empty;
public decimal Sum { get; set; } = 0;
public bool IsCompleted { get; set; }
}
public class RequestEntityDto : Request { }

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{
"$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"
}
}
}
}

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

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

View File

@ -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>

View File

@ -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

View File

@ -0,0 +1,112 @@
# Отчет по лабораторной работе №4
Выполнила студентка группы ИСЭбд-41 Клементьева Жанна Андреевна
Порядок действий:
1. Установила rabbitMQ server, erlang
2. Зашла в брокер под гостем по http://localhost:15672/#/
Урок №1:
![](pic/1.png)
![](pic/2.png)
Урок №2:
![](pic/2t1.png)
Урок №3:
![](pic/task.png)
## Разработка демонстрационных приложений
Так как необходимо было выбрать предметную область, мой выбор остановился на:
Договора на платное внедрение системы менеджмента качества на предприятиях.
Далее было разработано три приложения:
1. Publisher
```py
import pika
import time
import random
collection = ["Application for the implementation of a quality management system", "The contract is completed", "Enrollment order completed", "System implemented"]
connection = pika.BlockingConnection(pika.ConnectionParameters('localhost'))
channel = connection.channel()
channel.exchange_declare(exchange='Agreements', exchange_type='fanout')
while True:
message = f"Message: {random.choice(collection)}"
channel.basic_publish(exchange='Agreements', routing_key='', body=message)
time.sleep(1)
connection.close()
```
2. Consumer 1.
```py
import pika
import time
def process_message(ch, method, properties, body):
print(f"Получено сообщение: {body}")
time.sleep(3)
print("Сообщение успешно обработано")
connection = pika.BlockingConnection(pika.ConnectionParameters('localhost'))
channel = connection.channel()
result = channel.queue_declare(queue='', exclusive=True)
queue_name = result.method.queue
channel.queue_bind(exchange='Agreements', queue=queue_name)
channel.basic_consume(queue=queue_name, on_message_callback=process_message, auto_ack=True)
print('Ожидание сообщений...')
channel.start_consuming()
```
3. Consumer 2.
```py
import pika
def process_message(ch, method, properties, body):
print(f"Получено сообщение: {body}")
print("Сообщение успешно обработано")
connection = pika.BlockingConnection(pika.ConnectionParameters('localhost'))
channel = connection.channel()
result = channel.queue_declare(queue='', exclusive=True)
queue_name = result.method.queue
channel.queue_bind(exchange='Agreements', queue=queue_name)
channel.basic_consume(queue=queue_name, on_message_callback=process_message, auto_ack=True)
print('Ожидание сообщений...')
channel.start_consuming()
```
## Результаты выполнения лабораторной работы
Результат Consumer_1:
![](pic/4.png)
Результат Consumer_2:
![](pic/5.png)
![](pic/klementeva_consumer2.png)
Вывод: таким образом, Consumer_1 нагружает больше, чем Consumer_2. Также он принимает сообщения гораздо медленнее.

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# Default ignored files
/shelf/
/workspace.xml

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<component name="InspectionProjectProfileManager">
<settings>
<option name="USE_PROJECT_PROFILE" value="false" />
<version value="1.0" />
</settings>
</component>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="Black">
<option name="sdkName" value="Python 3.12 (python4Lab)" />
</component>
<component name="ProjectRootManager" version="2" project-jdk-name="Python 3.12 (python4Lab)" project-jdk-type="Python SDK" />
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/.idea/python4Lab.iml" filepath="$PROJECT_DIR$/.idea/python4Lab.iml" />
</modules>
</component>
</project>

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<?xml version="1.0" encoding="UTF-8"?>
<module type="PYTHON_MODULE" version="4">
<component name="NewModuleRootManager">
<content url="file://$MODULE_DIR$">
<excludeFolder url="file://$MODULE_DIR$/venv" />
</content>
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
</component>
</module>

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import pika
import time
def process_message(ch, method, properties, body):
print(f"Получено сообщение: {body}")
time.sleep(3)
print("Сообщение успешно обработано")
connection = pika.BlockingConnection(pika.ConnectionParameters('localhost'))
channel = connection.channel()
result = channel.queue_declare(queue='', exclusive=True)
queue_name = result.method.queue
channel.queue_bind(exchange='Agreements', queue=queue_name)
channel.basic_consume(queue=queue_name, on_message_callback=process_message, auto_ack=True)
print('Ожидание...')
channel.start_consuming()

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import pika
def process_message(ch, method, properties, body):
print(f"Получено сообщение: {body}")
print("Сообщение успешно обработано")
connection = pika.BlockingConnection(pika.ConnectionParameters('localhost'))
channel = connection.channel()
result = channel.queue_declare(queue='', exclusive=True)
queue_name = result.method.queue
channel.queue_bind(exchange='Agreements', queue=queue_name)
channel.basic_consume(queue=queue_name, on_message_callback=process_message, auto_ack=True)
print('Ожидание...')
channel.start_consuming()Ы

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import pika
import time
import random
collection = ["Application for the implementation of a quality management system", "The contract is completed", "Enrollment order completed", "Sistem implemented"]
connection = pika.BlockingConnection(pika.ConnectionParameters('localhost'))
channel = connection.channel()
channel.exchange_declare(exchange='Agreements', exchange_type='fanout')
while True:
message = f"Message: {random.choice(collection)}"
channel.basic_publish(exchange='Agreements', routing_key='', body=message)
time.sleep(1)
connection.close()

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# Byte-compiled / optimized / DLL files
__pycache__/
*.py[cod]
*$py.class
# C extensions
*.so
# Distribution / packaging
.Python
build/
develop-eggs/
dist/
downloads/
eggs/
.eggs/
lib/
lib64/
parts/
sdist/
var/
wheels/
share/python-wheels/
*.egg-info/
.installed.cfg
*.egg
MANIFEST
# PyInstaller
# Usually these files are written by a python script from a template
# before PyInstaller builds the exe, so as to inject date/other infos into it.
*.manifest
*.spec
# Installer logs
pip-log.txt
pip-delete-this-directory.txt
# Unit test / coverage reports
htmlcov/
.tox/
.nox/
.coverage
.coverage.*
.cache
nosetests.xml
coverage.xml
*.cover
*.py,cover
.hypothesis/
.pytest_cache/
cover/
# Translations
*.mo
*.pot
# Django stuff:
*.log
local_settings.py
db.sqlite3
db.sqlite3-journal
# Flask stuff:
instance/
.webassets-cache
# Scrapy stuff:
.scrapy
# Sphinx documentation
docs/_build/
# PyBuilder
.pybuilder/
target/
# Jupyter Notebook
.ipynb_checkpoints
# IPython
profile_default/
ipython_config.py
# pyenv
# For a library or package, you might want to ignore these files since the code is
# intended to run in multiple environments; otherwise, check them in:
# .python-version
# pipenv
# According to pypa/pipenv#598, it is recommended to include Pipfile.lock in version control.
# However, in case of collaboration, if having platform-specific dependencies or dependencies
# having no cross-platform support, pipenv may install dependencies that don't work, or not
# install all needed dependencies.
#Pipfile.lock
# poetry
# Similar to Pipfile.lock, it is generally recommended to include poetry.lock in version control.
# This is especially recommended for binary packages to ensure reproducibility, and is more
# commonly ignored for libraries.
# https://python-poetry.org/docs/basic-usage/#commit-your-poetrylock-file-to-version-control
#poetry.lock
# pdm
# Similar to Pipfile.lock, it is generally recommended to include pdm.lock in version control.
#pdm.lock
# pdm stores project-wide configurations in .pdm.toml, but it is recommended to not include it
# in version control.
# https://pdm.fming.dev/#use-with-ide
.pdm.toml
# PEP 582; used by e.g. github.com/David-OConnor/pyflow and github.com/pdm-project/pdm
__pypackages__/
# Celery stuff
celerybeat-schedule
celerybeat.pid
# SageMath parsed files
*.sage.py
# Environments
.env
.venv
env/
venv/
ENV/
env.bak/
venv.bak/
# Spyder project settings
.spyderproject
.spyproject
# Rope project settings
.ropeproject
# mkdocs documentation
/site
# mypy
.mypy_cache/
.dmypy.json
dmypy.json
# Pyre type checker
.pyre/
# pytype static type analyzer
.pytype/
# Cython debug symbols
cython_debug/
# PyCharm
# JetBrains specific template is maintained in a separate JetBrains.gitignore that can
# be found at https://github.com/github/gitignore/blob/main/Global/JetBrains.gitignore
# and can be added to the global gitignore or merged into this file. For a more nuclear
# option (not recommended) you can uncomment the following to ignore the entire idea folder.
#.idea/

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import pika, sys, os
def main():
connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost'))
channel = connection.channel()
channel.queue_declare(queue='KlementevaLogs')
def callback(ch, method, properties, body):
print(f" [x] Получено сообщение: {body}")
channel.basic_consume(queue='KlementevaLogs', on_message_callback=callback, auto_ack=True)
print(' [*] Ожидание сообщений. Для завершения CTRL+C')
channel.start_consuming()
if __name__ == '__main__':
try:
main()
except KeyboardInterrupt:
print('Произошла ошибка')
try:
sys.exit(0)
except SystemExit:
os._exit(0)

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import pika
connection = pika.BlockingConnection(pika.ConnectionParameters('localhost'))
channel = connection.channel()
channel.queue_declare(queue='klementeva')
channel.basic_publish(exchange='',routing_key='klementeva',body='My name is Zhanna Klementeva from ISEbd-41!')
print("Отправлено")
connection.close()

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import pika
import sys
connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost'))
channel = connection.channel()
channel.queue_declare(queue='klementeva2', durable=True)
message = ' '.join(sys.argv[1:]) or "My name is Zhanna Klementeva from ISEbd-41!"
channel.basic_publish(exchange='', routing_key='klementeva2', body=message, properties=pika.BasicProperties(
delivery_mode=pika.spec.PERSISTENT_DELIVERY_MODE))
print(f" [x] Отправлено {message}")
connection.close()

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import pika
import time
connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost'))
channel = connection.channel()
channel.queue_declare(queue='klementeva2', durable=True)
print(' [*] Ожидание сообщений')
def callback(ch, method, properties, body):
print(f" [x] Получено сообщение: {body.decode()}")
time.sleep(body.count(b'.'))
print(" [x] Выполнено")
ch.basic_ack(delivery_tag=method.delivery_tag)
channel.basic_qos(prefetch_count=1)
channel.basic_consume(queue='klementeva2', on_message_callback=callback)
channel.start_consuming()

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import pika
import sys
connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost'))
channel = connection.channel()
channel.exchange_declare(exchange='KlementevaLogs', exchange_type='fanout')
message = ' '.join(sys.argv[1:]) or "My name is Zhanna Klementeva from ISEbd-41!"
channel.basic_publish(exchange='KlementevaLogs', routing_key='', body=message)
print(f" [x] Отправлено сообщение: {message}")
connection.close()

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import pika
connection = pika.BlockingConnection(pika.ConnectionParameters(host='localhost'))
channel = connection.channel()
channel.exchange_declare(exchange='KlementevaLogs', exchange_type='fanout')
result = channel.queue_declare(queue='', exclusive=True)
queue_name = result.method.queue
channel.queue_bind(exchange='KlementevaLogs', queue=queue_name)
print(' [*] Ожидание сообщений. Для завершения CTRL+C')
def callback(ch, method, properties, body):
print(f" [x] {body}")
channel.basic_consume(
queue=queue_name, on_message_callback=callback, auto_ack=True)
channel.start_consuming()