Merge pull request 'Kuzarin_maxim_lab_2' (#8) from kuzarin_maxim_lab_2 into main

Reviewed-on: #8
This commit is contained in:
Alexey 2024-09-19 11:19:58 +04:00
commit 829a04a913
15 changed files with 800 additions and 0 deletions

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**/.classpath
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**/.git
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**/.project
**/.settings
**/.toolstarget
**/.vs
**/.vscode
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README.md
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490
kuzarin_maxim_lab_2/.gitignore vendored Normal file
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## Ignore Visual Studio temporary files, build results, and
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Microsoft Visual Studio Solution File, Format Version 12.00
# Visual Studio Version 17
VisualStudioVersion = 17.10.34916.146
MinimumVisualStudioVersion = 10.0.40219.1
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "DAaS_FileConnections", "DAaS_FileConnections\DAaS_FileConnections.csproj", "{23B07B06-0AB4-42F8-9753-264639E1D38B}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "FirstApplication", "FirstApplication\FirstApplication.csproj", "{FBC01B2E-C887-42D1-A899-3C4781EF67E9}"
EndProject
Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "SecondApplication", "SecondApplication\SecondApplication.csproj", "{5888DB56-82F2-467D-8F6B-AB94CC4A33B5}"
EndProject
Global
GlobalSection(SolutionConfigurationPlatforms) = preSolution
Debug|Any CPU = Debug|Any CPU
Release|Any CPU = Release|Any CPU
EndGlobalSection
GlobalSection(ProjectConfigurationPlatforms) = postSolution
{23B07B06-0AB4-42F8-9753-264639E1D38B}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{23B07B06-0AB4-42F8-9753-264639E1D38B}.Debug|Any CPU.Build.0 = Debug|Any CPU
{23B07B06-0AB4-42F8-9753-264639E1D38B}.Release|Any CPU.ActiveCfg = Release|Any CPU
{23B07B06-0AB4-42F8-9753-264639E1D38B}.Release|Any CPU.Build.0 = Release|Any CPU
{FBC01B2E-C887-42D1-A899-3C4781EF67E9}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{FBC01B2E-C887-42D1-A899-3C4781EF67E9}.Debug|Any CPU.Build.0 = Debug|Any CPU
{FBC01B2E-C887-42D1-A899-3C4781EF67E9}.Release|Any CPU.ActiveCfg = Release|Any CPU
{FBC01B2E-C887-42D1-A899-3C4781EF67E9}.Release|Any CPU.Build.0 = Release|Any CPU
{5888DB56-82F2-467D-8F6B-AB94CC4A33B5}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
{5888DB56-82F2-467D-8F6B-AB94CC4A33B5}.Debug|Any CPU.Build.0 = Debug|Any CPU
{5888DB56-82F2-467D-8F6B-AB94CC4A33B5}.Release|Any CPU.ActiveCfg = Release|Any CPU
{5888DB56-82F2-467D-8F6B-AB94CC4A33B5}.Release|Any CPU.Build.0 = Release|Any CPU
EndGlobalSection
GlobalSection(SolutionProperties) = preSolution
HideSolutionNode = FALSE
EndGlobalSection
GlobalSection(ExtensibilityGlobals) = postSolution
SolutionGuid = {E290B7D1-0F4E-406E-ADF3-8F543C0FA96E}
EndGlobalSection
EndGlobal

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net8.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="PIHelperSh.RandomEx" Version="1.0.0" />
</ItemGroup>
</Project>

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using PIHelperSh.RandomEx.Extentions;
string inputPath = Environment.GetEnvironmentVariable("INPUT_PATH") ?? ".\\input1";
string outputPath = Environment.GetEnvironmentVariable("OUTPUT_PATH") ?? ".\\output1";
if(!Directory.Exists(inputPath))
Directory.CreateDirectory(inputPath);
if(!Directory.Exists(outputPath))
Directory.CreateDirectory(outputPath);
var rnd = new Random();
for (int i = 0; i < rnd.Next(1000); i++)
{
using var writer = new StreamWriter(Path.Combine(inputPath, $"{rnd.NextString(10)}.txt"), false);
for (int j = 0; j < rnd.Next(1000); j++)
{
writer.WriteLine(rnd.Next());
}
writer.Close();
}

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# Это базовый образ для сборки.
FROM mcr.microsoft.com/dotnet/runtime:8.0 AS base
# Указываем рабочий каталог для следующих комманд
WORKDIR /app
# Проект нужно сначала собрать, поэтому берём sdk
FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
# Это пременная. Будем собирать в режиме Relece.
ARG BUILD_CONFIGURATION=Release
WORKDIR /src
# Копируем из папки хоста в контейнер
COPY ["FirstApplication.csproj", "FirstApplication/"]
# Выполняем комманду для загрузки всех нужных зависимостей
RUN dotnet restore "FirstApplication/FirstApplication.csproj"
# Назначаем новую базовую папку
WORKDIR "/src/FirstApplication"
# Копируем всё в папку для сборки
COPY . .
# Выполняем сборку проекта
RUN dotnet build "FirstApplication.csproj" -c $BUILD_CONFIGURATION -o /app/build
# В этот этап попадает всё, что было в publish
FROM build AS publish
ARG BUILD_CONFIGURATION=Release
# Публикуем всё в папку /app/publish
RUN dotnet publish "FirstApplication.csproj" -c $BUILD_CONFIGURATION -o /app/publish --self-contained false --no-restore
# Берём тот образ, что определили в первой строке
FROM base AS final
# Указываем рабочую директорию
WORKDIR /app
# Из опубликованного блока берём то, что опубликовано и закидывае в /app
COPY --from=publish /app/publish .
# Указываем комманду запуска приложения (когда контейнер запустится, то начнёт с этого)
ENTRYPOINT ["dotnet", "FirstApplication.dll"]

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net8.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
<DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.20.1" />
</ItemGroup>
</Project>

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Console.WriteLine("Запущен первый сервис");
string inputPath = Environment.GetEnvironmentVariable("INPUT_PATH") ?? "./input1";
string outputPath = Environment.GetEnvironmentVariable("OUTPUT_PATH") ?? "./output1";
if (!Directory.Exists(inputPath))
Directory.CreateDirectory(inputPath);
if (!Directory.Exists(outputPath))
Directory.CreateDirectory(outputPath);
var file = new DirectoryInfo(inputPath).EnumerateFiles().Aggregate((x, y) => x.Length > y.Length ? x : y);
var outputFilePath = Path.Combine(outputPath, "data.txt");
if(File.Exists(outputFilePath))
File.Delete(outputFilePath);
File.Move(file.FullName, Path.Combine(outputPath, "data.txt"));

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{
"profiles": {
"FirstApplication": {
"commandName": "Project"
},
"Container (Dockerfile)": {
"commandName": "Docker"
}
}
}

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# Лабораторная работа 2
Данная работа посвящена теме создания контейнеров из исходного кода посредства dockerfile, а так же взаимодействию сервисов через общие папки
## Описание
Был варана следующая комбинация вариантов:
- Первое приложение - 0-ой
- Второе приложение - 1-ый
В результате, после запуска система изучит папку ./volumes/input, найдёт самый большой файл, а затем найдёт в нём самое большое число, выведя в директорию ./volumes/output файл с его квадратом.
Буфер же, по сути не имеет физического отображения на папку хоста.
## Запуск
Для запуска лабораторной работы необходимо иметь запущенный движок Docker на устройстве.
Необходимо перейти в папку, где располагается данный файл. Далее открыть терминал и ввести команду:
```
docker compose up --build
```
В данном случае флаг `--build` заставит систему в любом случае собрать образы из исходников (даже если они уже есть).
В результате, после сборки оба сервиса запустятся и выведут в консоль логи примерно следующего содержания:
## Описание dockerfile файла
Подробное описание дано в виде комментариев в самом файле первого сервиса. Так как для разработки использовался .net 8.0, команд довольно много. При этом, так как второй сервис написан на той же платформе, особенных отличий двух docekrfile-ов нет(кроме пути
## Описание compose файла
Благодаря директиве `depends_on` в compose файле второй сервис будет ждать, пока не будет поднят первый сервис, и только потом начнёт подниматься.
Директива `build` позволяет использовать в compose не уже готовый образ, а тот, что будет собран непосредственно в момент запуска(если он уже существует и нет флага силовой сборки, будет использоваться существующий образ)
Область volumes позволяет создать буферную область. Эту папку можно монтировать как результирующую для первого сервиса и исходную - для второго
## Видеодемонстрация
Был записан видеоролик, демонстрирующий процесс запуска и работы сервисов. Он расположен по [адресу](https://drive.google.com/file/d/1sACiKx3_HRApa89a7LZFAZV05o7POhq6/view?usp=sharing)

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FROM mcr.microsoft.com/dotnet/runtime:8.0 AS base
WORKDIR /app
FROM mcr.microsoft.com/dotnet/sdk:8.0 AS build
ARG BUILD_CONFIGURATION=Release
WORKDIR /src
COPY ["SecondApplication.csproj", "SecondApplication/"]
RUN dotnet restore "./SecondApplication/SecondApplication.csproj"
WORKDIR "/src/SecondApplication"
COPY . .
RUN dotnet build "SecondApplication.csproj" -c $BUILD_CONFIGURATION -o /app/build
FROM build AS publish
ARG BUILD_CONFIGURATION=Release
RUN dotnet publish "SecondApplication.csproj" -c $BUILD_CONFIGURATION -o /app/publish /p:UseAppHost=false
FROM base AS final
WORKDIR /app
COPY --from=publish /app/publish .
ENTRYPOINT ["dotnet", "SecondApplication.dll"]

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Console.WriteLine("Запущен второй сервис");
string inputPath = Environment.GetEnvironmentVariable("INPUT_PATH") ?? ".\\input2";
string outputPath = Environment.GetEnvironmentVariable("OUTPUT_PATH") ?? ".\\output2";
if (!Directory.Exists(outputPath))
Directory.CreateDirectory(outputPath);
var inputFilePath = Path.Combine(inputPath, "data.txt");
var outputFilePath = Path.Combine(outputPath, "result.txt");
if (!File.Exists(inputFilePath))
{
Console.WriteLine($"Нет исходного файла {inputFilePath}");
return;
}
using var reader = new StreamReader(inputFilePath);
long maxNumber = 0;
while (true)
{
var str = reader.ReadLine();
if (str == null) break;
if (long.TryParse(str, out var number) && number > maxNumber)
maxNumber = number;
}
File.WriteAllText(outputFilePath, (maxNumber * maxNumber).ToString());
Console.WriteLine($"Результат выполнения: {maxNumber * maxNumber}");

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{
"profiles": {
"SecondApplication": {
"commandName": "Project"
},
"Container (Dockerfile)": {
"commandName": "Docker"
}
}
}

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<Project Sdk="Microsoft.NET.Sdk">
<PropertyGroup>
<OutputType>Exe</OutputType>
<TargetFramework>net8.0</TargetFramework>
<ImplicitUsings>enable</ImplicitUsings>
<Nullable>enable</Nullable>
<DockerDefaultTargetOS>Linux</DockerDefaultTargetOS>
</PropertyGroup>
<ItemGroup>
<PackageReference Include="Microsoft.VisualStudio.Azure.Containers.Tools.Targets" Version="1.20.1" />
</ItemGroup>
</Project>

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services:
first:
build: ./FirstApplication/
volumes:
- ./volumes/input:/var/data
- buffer:/var/result
environment:
INPUT_PATH: "/var/data"
OUTPUT_PATH: "/var/result"
second:
build: ./SecondApplication/
depends_on:
- first
volumes:
- buffer:/var/data
- ./volumes/output:/var/result
environment:
INPUT_PATH: "/var/data"
OUTPUT_PATH: "/var/result"
volumes:
buffer: