Compare commits

..

1 Commits

Author SHA1 Message Date
3deaf4c4cd arutunyan_dmitry_lab_7 is ready 2024-01-17 22:35:06 +04:00
63 changed files with 20 additions and 1930 deletions

View File

@ -0,0 +1,20 @@
## Лабораторная работа 7. Вариант 4.
### Задание
Написать небольшое эссе своими словами по вопросам из списка:
- Какие алгоритмы и методы используются для балансировки нагрузки?
- Какие открытые технологии существуют для балансировки нагрузки?
- Как осуществляется балансировка нагрузки на базах данных?
- Реверс-прокси как один из элементов балансировки нагрузки.
### Эссе
`Балансировка нагрузки в распределенных системах` это процесс распределения рабочей нагрузки между несколькими узлами или ресурсами, с целью равномерного распределения нагрузки и обеспечения эффективного использования ресурсов системы.
При реализации балансировки нагрузки в распределённых системах, используются такие алгоритмы, как: `наименьшая нагрузка` алгоритм, направляющий запросы на узел с наименьшим количеством активных соединений или наименьшей загрузкой, `наименьшее время отклика` алгоритм, выбирающий узел с наименьшим временем отклика на предыдущие запросы, `циклический алгоритм` алгоритм, циклично направляющий каждый новый запрос на следующий узел в очереди и `прогнозирующие алгоритмы` алгоритмы, использующие исторические данные и статистику для прогнозирования будущей нагрузки и распределения запросов.
Для балансировки нагрузки существует множество технологий. В рамках данного курса была затронута одна из них `Nginx`. `Nginx` предоставляет функциональность распределения запросов между несколькими серверами с использованием различных алгоритмов балансировки нагрузки, таких как циклический алгоритм и взвешенный циклический алгоритм. Помимо Nginx существуют такие открытые технологии балансировки нагрузки, как `Apache HTTP Server`, `Traefik` (один из новичков на “GoLang”) и др.
На базах данных балансировка нагрузки может быть осуществлена такими методами, как: `репликация данных` создание копий базы данных на нескольких серверах (запросы от приложения могут быть распределены между этими репликами, чтобы снизить нагрузку на отдельные серверы), `фрагментация данных` разделение данных на несколько фрагментов и их распределение по разным серверам (каждый сервер отвечает только за определенную часть данных, это позволяет распределить нагрузку на несколько серверов и обеспечить более равномерное распределение запросов), `балансировка данных на СУБД уровнях и уровнях приложений` и др.
`Реверс-прокси` это прокси-сервер, который принимает запросы от клиентов и перенаправляет их на один или несколько серверов внутри сети. Он также является одним из элементов балансировки нагрузки. Часто реверс-прокси используют в сочетании с другими методами балансировки нагрузки.

View File

@ -1,78 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ChangeListManager">
<list default="true" id="fb3a6329-81a8-41fd-8008-b8bea3f6c964" name="Changes" comment="" />
<option name="SHOW_DIALOG" value="false" />
<option name="HIGHLIGHT_CONFLICTS" value="true" />
<option name="HIGHLIGHT_NON_ACTIVE_CHANGELIST" value="false" />
<option name="LAST_RESOLUTION" value="IGNORE" />
</component>
<component name="MarkdownSettingsMigration">
<option name="stateVersion" value="1" />
</component>
<component name="ProjectId" id="2ad3GS5xSIilTTmSvnMeDhv4jNu" />
<component name="ProjectViewState">
<option name="hideEmptyMiddlePackages" value="true" />
<option name="showLibraryContents" value="true" />
</component>
<component name="PropertiesComponent"><![CDATA[{
"keyToString": {
"RunOnceActivity.OpenProjectViewOnStart": "true",
"RunOnceActivity.ShowReadmeOnStart": "true",
"last_opened_file_path": "C:/Users/kutyg/Downloads/pibd-22-internet-programming-Lab5 (1)/kutygin_andrey_lab_2/worker_2"
}
}]]></component>
<component name="RecentsManager">
<key name="CopyFile.RECENT_KEYS">
<recent name="C:\Users\kutyg\Downloads\pibd-22-internet-programming-Lab5 (1)\kutygin_andrey_lab_2\worker_2" />
</key>
<key name="MoveFile.RECENT_KEYS">
<recent name="C:\Users\kutyg\Downloads\pibd-22-internet-programming-Lab5 (1)\kutygin_andrey_lab_2\worker_2\src" />
<recent name="C:\Users\kutyg\Downloads\pibd-22-internet-programming-Lab5 (1)\kutygin_andrey_lab_2\worker_1\src" />
</key>
</component>
<component name="RunManager" selected="Docker.worker_2/Dockerfile">
<configuration name="docker-compose.yml: Compose Deployment" type="docker-deploy" factoryName="docker-compose.yml" temporary="true" server-name="Docker">
<deployment type="docker-compose.yml">
<settings>
<option name="sourceFilePath" value="docker-compose.yml" />
</settings>
</deployment>
<method v="2" />
</configuration>
<configuration name="worker_1/Dockerfile" type="docker-deploy" factoryName="dockerfile" temporary="true" server-name="Docker">
<deployment type="dockerfile">
<settings>
<option name="sourceFilePath" value="worker_1/Dockerfile" />
</settings>
</deployment>
<method v="2" />
</configuration>
<configuration name="worker_2/Dockerfile" type="docker-deploy" factoryName="dockerfile" temporary="true" server-name="Docker">
<deployment type="dockerfile">
<settings>
<option name="sourceFilePath" value="worker_2/Dockerfile" />
</settings>
</deployment>
<method v="2" />
</configuration>
<recent_temporary>
<list>
<item itemvalue="Docker.worker_2/Dockerfile" />
<item itemvalue="Docker.worker_1/Dockerfile" />
<item itemvalue="Docker.docker-compose.yml: Compose Deployment" />
</list>
</recent_temporary>
</component>
<component name="SpellCheckerSettings" RuntimeDictionaries="0" Folders="0" CustomDictionaries="0" DefaultDictionary="application-level" UseSingleDictionary="true" transferred="true" />
<component name="TaskManager">
<task active="true" id="Default" summary="Default task">
<changelist id="fb3a6329-81a8-41fd-8008-b8bea3f6c964" name="Changes" comment="" />
<created>1704634533824</created>
<option name="number" value="Default" />
<option name="presentableId" value="Default" />
<updated>1704634533824</updated>
</task>
<servers />
</component>
</project>

View File

@ -1,3 +0,0 @@
# Default ignored files
/shelf/
/workspace.xml

View File

@ -1,6 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="JpaBuddyIdeaProjectConfig">
<option name="renamerInitialized" value="true" />
</component>
</project>

View File

@ -1,9 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<module type="JAVA_MODULE" version="4">
<component name="NewModuleRootManager" inherit-compiler-output="true">
<exclude-output />
<content url="file://$MODULE_DIR$" />
<orderEntry type="inheritedJdk" />
<orderEntry type="sourceFolder" forTests="false" />
</component>
</module>

View File

@ -1,9 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectRootManager" version="2" project-jdk-name="17" project-jdk-type="JavaSDK">
<output url="file://$PROJECT_DIR$/out" />
</component>
<component name="ProjectType">
<option name="id" value="jpab" />
</component>
</project>

View File

@ -1,8 +0,0 @@
<?xml version="1.0" encoding="UTF-8"?>
<project version="4">
<component name="ProjectModuleManager">
<modules>
<module fileurl="file://$PROJECT_DIR$/.idea/lab3.iml" filepath="$PROJECT_DIR$/.idea/lab3.iml" />
</modules>
</component>
</project>

View File

@ -1,110 +0,0 @@
## Задание
Цель: изучение шаблона проектирования gateway, построения синхронного обмена между микросервисами и архитектурного стиля RESTful API.
Задачи:
- Создать 2 микросервиса, реализующих CRUD на связанных сущностях.
- Реализовать механизм синхронного обмена сообщениями между микросервисами.
- Реализовать шлюз на основе прозрачного прокси-сервера nginx.
## Ход работы
### Разворачивание сервисов:
Были разработаны два приложения на Java с использованием средства автоматизации сборки проектов Gradle и с использованием библиотеки spring-boot:
- categoryService - работа с дисциплинами (crud)
- productService - работа с продуктами (crud). При создании продукта выбирается id категории, и через nginx и rest template происходит получение данных о категории с этим id
### Обмен сообщениями
При создании плана обучения выбирается id категории, и через nginx и rest template происходит получение данных о категории с этим id
### Dockerfile
Идентичные докерфайлы для приложений:
```
FROM openjdk:17
RUN mkdir -p /usr/src/app/
WORKDIR /usr/src/app/
COPY . /usr/src/app/
RUN ./gradlew clean build
EXPOSE 8089
ENTRYPOINT ["java","-jar","build/libs/lab3-0.0.1-SNAPSHOT.jar"]
```
### docker-compose.yml
Файл, соединяющий сервисы (содержащий настройку Docker):
```
version: "3" #формат конфигурации Docker Compose версии 3
services: #определение сервисов
category:
build:
context: /categoryService #путь к контексту сборки
dockerfile: Dockerfile #имя докерфайла
ports:
- "8089:8089" #проброс портов
networks:
- netwrk #сеть
product:
build:
context: /productService #путь к контексту сборки
dockerfile: Dockerfile #имя докерфайла
ports:
- "8090:8090" #проброс портов
networks:
- netwrk #сеть
nginx:
image: nginx:latest #образ для контейнера
ports:
- "8091:80" #проброс портов
networks:
- netwrk #сеть
volumes:
- ./nginx.conf:/etc/nginx/nginx.conf #монтирует локальный файл конфигурации
depends_on: #зависимость от сервисов
- category
- product
networks:
netwrk:
driver: bridge #изолированная сеть
```
### nginx.conf
Настройка nginx:
```
http {
server {
listen 80;
listen [::]:80;
server_name localhost;
location /categoryService/ {
proxy_pass http://category:8089/;
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 /categoryService;
}
location /productService/ {
proxy_pass http://product:8090/;
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 /productService;
}
}
}
events {
worker_connections 1024;
}
```
## Результат
Видео: https://disk.yandex.ru/d/8Lcvb0H9LPNSKw

View File

@ -1,42 +0,0 @@
.gradle
build/
!gradle/wrapper/gradle-wrapper.jar
!**/src/main/**/build/
!**/src/test/**/build/
### IntelliJ IDEA ###
.idea/modules.xml
.idea/jarRepositories.xml
.idea/compiler.xml
.idea/libraries/
*.iws
*.iml
*.ipr
out/
!**/src/main/**/out/
!**/src/test/**/out/
### Eclipse ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
bin/
!**/src/main/**/bin/
!**/src/test/**/bin/
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
### VS Code ###
.vscode/
### Mac OS ###
.DS_Store

View File

@ -1,7 +0,0 @@
FROM openjdk:17
RUN mkdir -p /usr/src/app/
WORKDIR /usr/src/app/
COPY . /usr/src/app/
RUN ./gradlew clean build
EXPOSE 8089
ENTRYPOINT ["java","-jar","build/libs/lab3-0.0.1-SNAPSHOT.jar"]

View File

@ -1,34 +0,0 @@
plugins {
id 'org.springframework.boot' version '2.6.3'
id 'io.spring.dependency-management' version '1.0.11.RELEASE'
id 'java'
}
group = 'categoryApp'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '17'
repositories {
mavenCentral()
}
dependencies {
implementation 'org.springframework.boot:spring-boot-starter-web'
testImplementation 'org.springframework.boot:spring-boot-starter-test'
implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
implementation 'com.h2database:h2:2.1.210'
implementation 'org.hibernate.validator:hibernate-validator'
implementation 'org.springdoc:springdoc-openapi-ui:1.6.5'
compileOnly 'org.projectlombok:lombok'
annotationProcessor 'org.projectlombok:lombok'
implementation group: 'org.springdoc', name: 'springdoc-openapi-ui', version: '1.6.5'
}
tasks.named('test') {
useJUnitPlatform()
}

View File

@ -1,6 +0,0 @@
#Wed Jan 10 18:16:23 GMT+04:00 2024
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

View File

@ -1,234 +0,0 @@
#!/bin/sh
#
# Copyright © 2015-2021 the original authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
##############################################################################
#
# Gradle start up script for POSIX generated by Gradle.
#
# Important for running:
#
# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
# noncompliant, but you have some other compliant shell such as ksh or
# bash, then to run this script, type that shell name before the whole
# command line, like:
#
# ksh Gradle
#
# Busybox and similar reduced shells will NOT work, because this script
# requires all of these POSIX shell features:
# * functions;
# * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
# «${var#prefix}», «${var%suffix}», and «$( cmd )»;
# * compound commands having a testable exit status, especially «case»;
# * various built-in commands including «command», «set», and «ulimit».
#
# Important for patching:
#
# (2) This script targets any POSIX shell, so it avoids extensions provided
# by Bash, Ksh, etc; in particular arrays are avoided.
#
# The "traditional" practice of packing multiple parameters into a
# space-separated string is a well documented source of bugs and security
# problems, so this is (mostly) avoided, by progressively accumulating
# options in "$@", and eventually passing that to Java.
#
# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
# see the in-line comments for details.
#
# There are tweaks for specific operating systems such as AIX, CygWin,
# Darwin, MinGW, and NonStop.
#
# (3) This script is generated from the Groovy template
# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
# within the Gradle project.
#
# You can find Gradle at https://github.com/gradle/gradle/.
#
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
app_path=$0
# Need this for daisy-chained symlinks.
while
APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
[ -h "$app_path" ]
do
ls=$( ls -ld "$app_path" )
link=${ls#*' -> '}
case $link in #(
/*) app_path=$link ;; #(
*) app_path=$APP_HOME$link ;;
esac
done
APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
APP_NAME="Gradle"
APP_BASE_NAME=${0##*/}
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD=maximum
warn () {
echo "$*"
} >&2
die () {
echo
echo "$*"
echo
exit 1
} >&2
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "$( uname )" in #(
CYGWIN* ) cygwin=true ;; #(
Darwin* ) darwin=true ;; #(
MSYS* | MINGW* ) msys=true ;; #(
NONSTOP* ) nonstop=true ;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD=$JAVA_HOME/jre/sh/java
else
JAVACMD=$JAVA_HOME/bin/java
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD=java
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
case $MAX_FD in #(
max*)
MAX_FD=$( ulimit -H -n ) ||
warn "Could not query maximum file descriptor limit"
esac
case $MAX_FD in #(
'' | soft) :;; #(
*)
ulimit -n "$MAX_FD" ||
warn "Could not set maximum file descriptor limit to $MAX_FD"
esac
fi
# Collect all arguments for the java command, stacking in reverse order:
# * args from the command line
# * the main class name
# * -classpath
# * -D...appname settings
# * --module-path (only if needed)
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
# For Cygwin or MSYS, switch paths to Windows format before running java
if "$cygwin" || "$msys" ; then
APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
JAVACMD=$( cygpath --unix "$JAVACMD" )
# Now convert the arguments - kludge to limit ourselves to /bin/sh
for arg do
if
case $arg in #(
-*) false ;; # don't mess with options #(
/?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
[ -e "$t" ] ;; #(
*) false ;;
esac
then
arg=$( cygpath --path --ignore --mixed "$arg" )
fi
# Roll the args list around exactly as many times as the number of
# args, so each arg winds up back in the position where it started, but
# possibly modified.
#
# NB: a `for` loop captures its iteration list before it begins, so
# changing the positional parameters here affects neither the number of
# iterations, nor the values presented in `arg`.
shift # remove old arg
set -- "$@" "$arg" # push replacement arg
done
fi
# Collect all arguments for the java command;
# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
# shell script including quotes and variable substitutions, so put them in
# double quotes to make sure that they get re-expanded; and
# * put everything else in single quotes, so that it's not re-expanded.
set -- \
"-Dorg.gradle.appname=$APP_BASE_NAME" \
-classpath "$CLASSPATH" \
org.gradle.wrapper.GradleWrapperMain \
"$@"
# Use "xargs" to parse quoted args.
#
# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
#
# In Bash we could simply go:
#
# readarray ARGS < <( xargs -n1 <<<"$var" ) &&
# set -- "${ARGS[@]}" "$@"
#
# but POSIX shell has neither arrays nor command substitution, so instead we
# post-process each arg (as a line of input to sed) to backslash-escape any
# character that might be a shell metacharacter, then use eval to reverse
# that process (while maintaining the separation between arguments), and wrap
# the whole thing up as a single "set" statement.
#
# This will of course break if any of these variables contains a newline or
# an unmatched quote.
#
eval "set -- $(
printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
xargs -n1 |
sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
tr '\n' ' '
)" '"$@"'
exec "$JAVACMD" "$@"

View File

@ -1,89 +0,0 @@
@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto execute
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

View File

@ -1,2 +0,0 @@
rootProject.name = "lab3"

View File

@ -1,12 +0,0 @@
package categoryApp;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
}

View File

@ -1,48 +0,0 @@
package categoryApp.controller;
import categoryApp.model.CategoryDto;
import org.springframework.web.bind.annotation.*;
import categoryApp.service.*;
import javax.validation.Valid;
import java.util.List;
import java.util.stream.Collectors;
@RestController
@RequestMapping("/")
public class CategoryController {
private final CategoryService categoryService;
public CategoryController(CategoryService categoryService) {
this.categoryService = categoryService;
}
@GetMapping("/{id}")
public CategoryDto getCategory(@PathVariable Long id) {
return new CategoryDto(categoryService.findCategory(id));
}
@GetMapping("/")
public List<CategoryDto> getCategorys() {
return categoryService.findAllCategorys().stream()
.map(CategoryDto::new)
.collect(Collectors.toList());
}
@PostMapping("/")
public CategoryDto createCategory(@RequestBody @Valid CategoryDto categoryDto) {
return new CategoryDto(categoryService.addCategory(categoryDto));
}
@PutMapping("/{id}")
public CategoryDto updateCategory(@RequestBody @Valid CategoryDto categoryDto) {
return new CategoryDto(categoryService.updateCategory(categoryDto));
}
@DeleteMapping("/{id}")
public CategoryDto deleteCategory(@PathVariable Long id) {
return new CategoryDto(categoryService.deleteCategory(id));
}
}

View File

@ -1,53 +0,0 @@
package categoryApp.model;
import javax.persistence.*;
@Entity
public class Category {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
private String name;
private String description;
public Category() {
}
public Category(String name, String description) {
this.name = name;
this.description = description;
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
@Override
public String toString() {
return "Category {" +
"id =" + id +
", name ='" + name + '\'' +
", desc ='" + description + '\'' +
'}';
}
}

View File

@ -1,40 +0,0 @@
package categoryApp.model;
public class CategoryDto {
private Long id;
private String name;
private String description;
public CategoryDto() {
}
public CategoryDto(Category category) {
this.id = category.getId();
this.name = String.format("%s", category.getName());
this.description = category.getDescription();
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
}

View File

@ -1,7 +0,0 @@
package categoryApp.repository;
import org.springframework.data.jpa.repository.JpaRepository;
import categoryApp.model.Category;
public interface CategoryRepository extends JpaRepository<Category, Long> {
}

View File

@ -1,7 +0,0 @@
package categoryApp.service;
public class CategoryNotFoundException extends RuntimeException{
public CategoryNotFoundException(Long id) {
super(String.format("Category with id [%s] is not found", id));
}
}

View File

@ -1,49 +0,0 @@
package categoryApp.service;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import categoryApp.model.*;
import categoryApp.repository.*;
import java.util.*;
@Service
public class CategoryService {
private final CategoryRepository categoryRepository;
public CategoryService(CategoryRepository categoryRepository) {
this.categoryRepository = categoryRepository;
}
@Transactional
public Category addCategory(CategoryDto categoryDto) {
final Category category = new Category(categoryDto.getName(), categoryDto.getDescription());
return categoryRepository.save(category);
}
@Transactional(readOnly = true)
public Category findCategory(Long id) {
final Optional<Category> category = categoryRepository.findById(id);
return category.orElseThrow(() -> new CategoryNotFoundException(id));
}
@Transactional(readOnly = true)
public List<Category> findAllCategorys() {
return categoryRepository.findAll();
}
@Transactional
public Category updateCategory(CategoryDto categoryDto) {
final Category currentCategory = findCategory(categoryDto.getId());
currentCategory.setName(categoryDto.getName());
currentCategory.setDescription(categoryDto.getDescription());
return categoryRepository.save(currentCategory);
}
@Transactional
public Category deleteCategory(Long id) {
final Category currentCategory = findCategory(id);
categoryRepository.delete(currentCategory);
return currentCategory;
}
}

View File

@ -1,11 +0,0 @@
spring.main.banner-mode=off
spring.datasource.url=jdbc:h2:file:./data
spring.datasource.driverClassName=org.h2.Driver
spring.datasource.username=sa
spring.datasource.password=password
spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
spring.jpa.hibernate.ddl-auto=update
spring.h2.console.enabled=true
spring.h2.console.settings.trace=false
spring.h2.console.settings.web-allow-others=false
server.port=8089

View File

@ -1,35 +0,0 @@
version: "3" #формат конфигурации Docker Compose версии 3
services: #определение сервисов
category:
build:
context: /categoryService #путь к контексту сборки
dockerfile: Dockerfile #имя докерфайла
ports:
- "8089:8089" #проброс портов
networks:
- netwrk #сеть
product:
build:
context: /productService #путь к контексту сборки
dockerfile: Dockerfile #имя докерфайла
ports:
- "8090:8090" #проброс портов
networks:
- netwrk #сеть
nginx:
image: nginx:latest #образ для контейнера
ports:
- "8091:80" #проброс портов
networks:
- netwrk #сеть
volumes:
- ./nginx.conf:/etc/nginx/nginx.conf #монтирует локальный файл конфигурации
depends_on: #зависимость от сервисов
- category
- product
networks:
netwrk:
driver: bridge #изолированная сеть

Binary file not shown.

Before

Width:  |  Height:  |  Size: 74 KiB

Binary file not shown.

View File

@ -1,27 +0,0 @@
http {
server {
listen 80;
listen [::]:80;
server_name localhost;
location /categoryService/ {
proxy_pass http://category:8089/;
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 /categoryService;
}
location /productService/ {
proxy_pass http://product:8090/;
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 /productService;
}
}
}
events {
worker_connections 1024;
}

View File

@ -1,42 +0,0 @@
.gradle
build/
!gradle/wrapper/gradle-wrapper.jar
!**/src/main/**/build/
!**/src/test/**/build/
### IntelliJ IDEA ###
.idea/modules.xml
.idea/jarRepositories.xml
.idea/compiler.xml
.idea/libraries/
*.iws
*.iml
*.ipr
out/
!**/src/main/**/out/
!**/src/test/**/out/
### Eclipse ###
.apt_generated
.classpath
.factorypath
.project
.settings
.springBeans
.sts4-cache
bin/
!**/src/main/**/bin/
!**/src/test/**/bin/
### NetBeans ###
/nbproject/private/
/nbbuild/
/dist/
/nbdist/
/.nb-gradle/
### VS Code ###
.vscode/
### Mac OS ###
.DS_Store

View File

@ -1,7 +0,0 @@
FROM openjdk:17
RUN mkdir -p /usr/src/app/
WORKDIR /usr/src/app/
COPY . /usr/src/app/
RUN ./gradlew clean build
EXPOSE 8089
ENTRYPOINT ["java","-jar","build/libs/lab3-0.0.1-SNAPSHOT.jar"]

View File

@ -1,34 +0,0 @@
plugins {
id 'org.springframework.boot' version '2.6.3'
id 'io.spring.dependency-management' version '1.0.11.RELEASE'
id 'java'
}
group = 'categoryApp'
version = '0.0.1-SNAPSHOT'
sourceCompatibility = '17'
repositories {
mavenCentral()
}
dependencies {
implementation 'org.springframework.boot:spring-boot-starter-web'
testImplementation 'org.springframework.boot:spring-boot-starter-test'
implementation 'org.springframework.boot:spring-boot-starter-data-jpa'
implementation 'com.h2database:h2:2.1.210'
implementation 'org.hibernate.validator:hibernate-validator'
implementation 'org.springdoc:springdoc-openapi-ui:1.6.5'
compileOnly 'org.projectlombok:lombok'
annotationProcessor 'org.projectlombok:lombok'
implementation group: 'org.springdoc', name: 'springdoc-openapi-ui', version: '1.6.5'
}
tasks.named('test') {
useJUnitPlatform()
}

View File

@ -1,6 +0,0 @@
#Wed Jan 10 18:23:35 GMT+04:00 2024
distributionBase=GRADLE_USER_HOME
distributionPath=wrapper/dists
distributionUrl=https\://services.gradle.org/distributions/gradle-8.0-bin.zip
zipStoreBase=GRADLE_USER_HOME
zipStorePath=wrapper/dists

View File

@ -1,234 +0,0 @@
#!/bin/sh
#
# Copyright © 2015-2021 the original authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# https://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
##############################################################################
#
# Gradle start up script for POSIX generated by Gradle.
#
# Important for running:
#
# (1) You need a POSIX-compliant shell to run this script. If your /bin/sh is
# noncompliant, but you have some other compliant shell such as ksh or
# bash, then to run this script, type that shell name before the whole
# command line, like:
#
# ksh Gradle
#
# Busybox and similar reduced shells will NOT work, because this script
# requires all of these POSIX shell features:
# * functions;
# * expansions «$var», «${var}», «${var:-default}», «${var+SET}»,
# «${var#prefix}», «${var%suffix}», and «$( cmd )»;
# * compound commands having a testable exit status, especially «case»;
# * various built-in commands including «command», «set», and «ulimit».
#
# Important for patching:
#
# (2) This script targets any POSIX shell, so it avoids extensions provided
# by Bash, Ksh, etc; in particular arrays are avoided.
#
# The "traditional" practice of packing multiple parameters into a
# space-separated string is a well documented source of bugs and security
# problems, so this is (mostly) avoided, by progressively accumulating
# options in "$@", and eventually passing that to Java.
#
# Where the inherited environment variables (DEFAULT_JVM_OPTS, JAVA_OPTS,
# and GRADLE_OPTS) rely on word-splitting, this is performed explicitly;
# see the in-line comments for details.
#
# There are tweaks for specific operating systems such as AIX, CygWin,
# Darwin, MinGW, and NonStop.
#
# (3) This script is generated from the Groovy template
# https://github.com/gradle/gradle/blob/master/subprojects/plugins/src/main/resources/org/gradle/api/internal/plugins/unixStartScript.txt
# within the Gradle project.
#
# You can find Gradle at https://github.com/gradle/gradle/.
#
##############################################################################
# Attempt to set APP_HOME
# Resolve links: $0 may be a link
app_path=$0
# Need this for daisy-chained symlinks.
while
APP_HOME=${app_path%"${app_path##*/}"} # leaves a trailing /; empty if no leading path
[ -h "$app_path" ]
do
ls=$( ls -ld "$app_path" )
link=${ls#*' -> '}
case $link in #(
/*) app_path=$link ;; #(
*) app_path=$APP_HOME$link ;;
esac
done
APP_HOME=$( cd "${APP_HOME:-./}" && pwd -P ) || exit
APP_NAME="Gradle"
APP_BASE_NAME=${0##*/}
# Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
DEFAULT_JVM_OPTS='"-Xmx64m" "-Xms64m"'
# Use the maximum available, or set MAX_FD != -1 to use that value.
MAX_FD=maximum
warn () {
echo "$*"
} >&2
die () {
echo
echo "$*"
echo
exit 1
} >&2
# OS specific support (must be 'true' or 'false').
cygwin=false
msys=false
darwin=false
nonstop=false
case "$( uname )" in #(
CYGWIN* ) cygwin=true ;; #(
Darwin* ) darwin=true ;; #(
MSYS* | MINGW* ) msys=true ;; #(
NONSTOP* ) nonstop=true ;;
esac
CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
# Determine the Java command to use to start the JVM.
if [ -n "$JAVA_HOME" ] ; then
if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
# IBM's JDK on AIX uses strange locations for the executables
JAVACMD=$JAVA_HOME/jre/sh/java
else
JAVACMD=$JAVA_HOME/bin/java
fi
if [ ! -x "$JAVACMD" ] ; then
die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
else
JAVACMD=java
which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
Please set the JAVA_HOME variable in your environment to match the
location of your Java installation."
fi
# Increase the maximum file descriptors if we can.
if ! "$cygwin" && ! "$darwin" && ! "$nonstop" ; then
case $MAX_FD in #(
max*)
MAX_FD=$( ulimit -H -n ) ||
warn "Could not query maximum file descriptor limit"
esac
case $MAX_FD in #(
'' | soft) :;; #(
*)
ulimit -n "$MAX_FD" ||
warn "Could not set maximum file descriptor limit to $MAX_FD"
esac
fi
# Collect all arguments for the java command, stacking in reverse order:
# * args from the command line
# * the main class name
# * -classpath
# * -D...appname settings
# * --module-path (only if needed)
# * DEFAULT_JVM_OPTS, JAVA_OPTS, and GRADLE_OPTS environment variables.
# For Cygwin or MSYS, switch paths to Windows format before running java
if "$cygwin" || "$msys" ; then
APP_HOME=$( cygpath --path --mixed "$APP_HOME" )
CLASSPATH=$( cygpath --path --mixed "$CLASSPATH" )
JAVACMD=$( cygpath --unix "$JAVACMD" )
# Now convert the arguments - kludge to limit ourselves to /bin/sh
for arg do
if
case $arg in #(
-*) false ;; # don't mess with options #(
/?*) t=${arg#/} t=/${t%%/*} # looks like a POSIX filepath
[ -e "$t" ] ;; #(
*) false ;;
esac
then
arg=$( cygpath --path --ignore --mixed "$arg" )
fi
# Roll the args list around exactly as many times as the number of
# args, so each arg winds up back in the position where it started, but
# possibly modified.
#
# NB: a `for` loop captures its iteration list before it begins, so
# changing the positional parameters here affects neither the number of
# iterations, nor the values presented in `arg`.
shift # remove old arg
set -- "$@" "$arg" # push replacement arg
done
fi
# Collect all arguments for the java command;
# * $DEFAULT_JVM_OPTS, $JAVA_OPTS, and $GRADLE_OPTS can contain fragments of
# shell script including quotes and variable substitutions, so put them in
# double quotes to make sure that they get re-expanded; and
# * put everything else in single quotes, so that it's not re-expanded.
set -- \
"-Dorg.gradle.appname=$APP_BASE_NAME" \
-classpath "$CLASSPATH" \
org.gradle.wrapper.GradleWrapperMain \
"$@"
# Use "xargs" to parse quoted args.
#
# With -n1 it outputs one arg per line, with the quotes and backslashes removed.
#
# In Bash we could simply go:
#
# readarray ARGS < <( xargs -n1 <<<"$var" ) &&
# set -- "${ARGS[@]}" "$@"
#
# but POSIX shell has neither arrays nor command substitution, so instead we
# post-process each arg (as a line of input to sed) to backslash-escape any
# character that might be a shell metacharacter, then use eval to reverse
# that process (while maintaining the separation between arguments), and wrap
# the whole thing up as a single "set" statement.
#
# This will of course break if any of these variables contains a newline or
# an unmatched quote.
#
eval "set -- $(
printf '%s\n' "$DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS" |
xargs -n1 |
sed ' s~[^-[:alnum:]+,./:=@_]~\\&~g; ' |
tr '\n' ' '
)" '"$@"'
exec "$JAVACMD" "$@"

View File

@ -1,89 +0,0 @@
@rem
@rem Copyright 2015 the original author or authors.
@rem
@rem Licensed under the Apache License, Version 2.0 (the "License");
@rem you may not use this file except in compliance with the License.
@rem You may obtain a copy of the License at
@rem
@rem https://www.apache.org/licenses/LICENSE-2.0
@rem
@rem Unless required by applicable law or agreed to in writing, software
@rem distributed under the License is distributed on an "AS IS" BASIS,
@rem WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
@rem See the License for the specific language governing permissions and
@rem limitations under the License.
@rem
@if "%DEBUG%" == "" @echo off
@rem ##########################################################################
@rem
@rem Gradle startup script for Windows
@rem
@rem ##########################################################################
@rem Set local scope for the variables with windows NT shell
if "%OS%"=="Windows_NT" setlocal
set DIRNAME=%~dp0
if "%DIRNAME%" == "" set DIRNAME=.
set APP_BASE_NAME=%~n0
set APP_HOME=%DIRNAME%
@rem Resolve any "." and ".." in APP_HOME to make it shorter.
for %%i in ("%APP_HOME%") do set APP_HOME=%%~fi
@rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
set DEFAULT_JVM_OPTS="-Xmx64m" "-Xms64m"
@rem Find java.exe
if defined JAVA_HOME goto findJavaFromJavaHome
set JAVA_EXE=java.exe
%JAVA_EXE% -version >NUL 2>&1
if "%ERRORLEVEL%" == "0" goto execute
echo.
echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:findJavaFromJavaHome
set JAVA_HOME=%JAVA_HOME:"=%
set JAVA_EXE=%JAVA_HOME%/bin/java.exe
if exist "%JAVA_EXE%" goto execute
echo.
echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
echo.
echo Please set the JAVA_HOME variable in your environment to match the
echo location of your Java installation.
goto fail
:execute
@rem Setup the command line
set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
@rem Execute Gradle
"%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %*
:end
@rem End local scope for the variables with windows NT shell
if "%ERRORLEVEL%"=="0" goto mainEnd
:fail
rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
rem the _cmd.exe /c_ return code!
if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
exit /b 1
:mainEnd
if "%OS%"=="Windows_NT" endlocal
:omega

View File

@ -1,2 +0,0 @@
rootProject.name = "lab3"

View File

@ -1,19 +0,0 @@
package productApp;
import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.context.annotation.Bean;
import org.springframework.web.client.RestTemplate;
@SpringBootApplication
public class Application {
public static void main(String[] args) {
SpringApplication.run(Application.class, args);
}
@Bean
public RestTemplate restTemplate() {
return new RestTemplate();
}
}

View File

@ -1,48 +0,0 @@
package productApp.controller;
import productApp.model.*;
import org.springframework.web.bind.annotation.*;
import productApp.service.*;
import javax.validation.Valid;
import java.util.List;
import java.util.stream.Collectors;
@RestController
@RequestMapping("/")
public class ProductController {
private final ProductService productService;
public ProductController(ProductService productService) {
this.productService = productService;
}
@GetMapping("/{id}")
public ProductFullInfoDto getProduct(@PathVariable Long id) {
return productService.findProduct(id);
}
@GetMapping("/")
public List<ProductDto> getProducts() {
return productService.findAllProducts().stream()
.map(ProductDto::new)
.collect(Collectors.toList());
}
@PostMapping("/")
public ProductFullInfoDto createProduct(@RequestBody @Valid ProductDto productDto) {
return productService.addProduct(productDto);
}
@PutMapping("/{id}")
public ProductFullInfoDto updateProduct(@RequestBody @Valid ProductDto productDto) {
return productService.updateProduct(productDto);
}
@DeleteMapping("/{id}")
public ProductDto deleteClient(@PathVariable Long id) {
return new ProductDto(productService.deleteProduct(id));
}
}

View File

@ -1,34 +0,0 @@
package productApp.model;
import lombok.Data;
@Data
public class CategoryInfoDto {
private Long id;
private String name;
private String description;
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
}

View File

@ -1,71 +0,0 @@
package productApp.model;
import com.fasterxml.jackson.annotation.JsonFormat;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import io.swagger.v3.oas.annotations.media.Schema;
import javax.persistence.*;
import lombok.Data;
@Data
@Entity
public class Product {
@Id
@GeneratedValue(strategy = GenerationType.AUTO)
private Long id;
private String name;
private String description;
private Long categoryId;
public Product() {
}
public Product(String name, String description, Long categoryId) {
this.name = name;
this.description = description;
this.categoryId = categoryId;
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public Long getCategoryId() {
return categoryId;
}
public void setCategoryId(Long categoryId) {
this.categoryId = categoryId;
}
@Override
public String toString() {
return "Category {" +
"id =" + id +
", time =" + name +
", description='" + description + '\'' +
", categoryId=" + categoryId +
'}';
}
}

View File

@ -1,52 +0,0 @@
package productApp.model;
import lombok.Data;
@Data
public class ProductDto {
private Long id;
private String name;
private String description;
private Long categoryId;
public ProductDto() {
}
public ProductDto(Product product) {
this.id = product.getId();
this.name = product.getName();
this.description = String.format("%s", product.getDescription());
this.categoryId = product.getCategoryId();
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public Long getCategoryId() {
return categoryId;
}
public void setCategoryId(Long categoryId) {
this.categoryId = categoryId;
}
}

View File

@ -1,62 +0,0 @@
package productApp.model;
import lombok.Data;
@Data
public class ProductFullInfoDto {
private Long id;
private String name;
private String description;
private Long categoryId;
private CategoryInfoDto categoryInfo;
public ProductFullInfoDto() {
}
public ProductFullInfoDto(Product product, CategoryInfoDto categoryInfo) {
this.id = product.getId();
this.name = product.getName();
this.description = product.getDescription();
this.categoryId = product.getCategoryId();
this.categoryInfo = categoryInfo;
}
public Long getId() {
return id;
}
public void setId(Long id) {
this.id = id;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getDescription() {
return description;
}
public void setDescription(String description) {
this.description = description;
}
public Long getCategoryId() {
return categoryId;
}
public void setCategoryId(Long categoryId) {
this.categoryId = categoryId;
}
/*public CategoryInfoDto getCategoryInfo() {
return categoryInfo;
}
public void setCategoryInfo(CategoryInfoDto categoryInfo) {
this.categoryInfo = categoryInfo;
}*/
}

View File

@ -1,7 +0,0 @@
package productApp.repository;
import org.springframework.data.jpa.repository.JpaRepository;
import productApp.model.Product;
public interface ProductRepository extends JpaRepository<Product, Long> {
}

View File

@ -1,7 +0,0 @@
package productApp.service;
public class ProductNotFoundException extends RuntimeException{
public ProductNotFoundException(Long id) {
super(String.format("Learning Plan with id [%s] is not found", id));
}
}

View File

@ -1,73 +0,0 @@
package productApp.service;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import productApp.model.*;
import productApp.repository.*;
import org.springframework.web.client.RestTemplate;
import org.springframework.beans.factory.annotation.Autowired;
import java.util.*;
@Service
public class ProductService {
private final ProductRepository productRepository;
private final RestTemplate restTemplate;
private final String NginxUrl = "http://nginx/categoryService/";
@Autowired
public ProductService(ProductRepository productRepository, RestTemplate restTemplate) {
this.productRepository = productRepository;
this.restTemplate = restTemplate;
}
@Transactional
public ProductFullInfoDto addProduct(ProductDto productDto) {
final Product product = new Product(productDto.getName(), productDto.getDescription(), productDto.getCategoryId());
productRepository.save(product);
CategoryInfoDto categoryInfo = restTemplate.getForObject(NginxUrl + productDto.getCategoryId(), CategoryInfoDto.class);
return new ProductFullInfoDto(product, categoryInfo);
}
@Transactional(readOnly = true)
public ProductFullInfoDto findProduct(Long id) {
final Product product = productRepository.findById(id).orElse(null);
if (product == null) {
throw new ProductNotFoundException(id);
}
CategoryInfoDto categoryInfo = restTemplate.getForObject(NginxUrl + product.getCategoryId(), CategoryInfoDto.class);
return new ProductFullInfoDto(product, categoryInfo);
}
@Transactional(readOnly = true)
public Product findProductClear(Long id) {
final Optional<Product> product = productRepository.findById(id);
return product.orElseThrow(() -> new ProductNotFoundException(id));
}
@Transactional(readOnly = true)
public List<Product> findAllProducts() {
return productRepository.findAll();
}
@Transactional
public ProductFullInfoDto updateProduct(ProductDto productDto) {
final Product currentProduct = findProductClear(productDto.getId());
currentProduct.setName(productDto.getName());
currentProduct.setDescription(productDto.getDescription());
currentProduct.setCategoryId(productDto.getCategoryId());
productRepository.save(currentProduct);
CategoryInfoDto categoryInfo = restTemplate.getForObject(NginxUrl + productDto.getCategoryId(), CategoryInfoDto.class);
return new ProductFullInfoDto(currentProduct, categoryInfo);
}
@Transactional
public Product deleteProduct(Long id) {
final Product currentProduct = findProductClear(id);
productRepository.delete(currentProduct);
return currentProduct;
}
}

View File

@ -1,11 +0,0 @@
spring.main.banner-mode=off
spring.datasource.url=jdbc:h2:file:./data
spring.datasource.driverClassName=org.h2.Driver
spring.datasource.username=sa
spring.datasource.password=password
spring.jpa.database-platform=org.hibernate.dialect.H2Dialect
spring.jpa.hibernate.ddl-auto=update
spring.h2.console.enabled=true
spring.h2.console.settings.trace=false
spring.h2.console.settings.web-allow-others=false
server.port=8090

View File

@ -1,42 +0,0 @@
## Задание
Развернуть два взаимосвязанных сервиса по варианту:
Вариант № 4 для первой программы:
* Сервис формирует файл /var/result/data.txt так, что каждая строка файла - количество символов в именах файлов из каталога /var/data.
Вариант № 2 для второй программы:
* Сервис ищет наименьшее число из файла /var/data/data.txt и сохраняет его третью степень в /var/result/result.txt.
## Выполнение
Были написаны два сервиса на языке python с использованием технологии flask.
Они выводят на страницу кнопки, при нажатии на которые происходит соответствующие действия по заданию
Для сервисов прописаны файлы Dockerfile, описывающие создание контейнеров:
* Для обоих контейнеров выбирается Python 11
* На оба контейнера пробрасываются порты, на которых работает приложение: 8081 для первого и 8082 для второго
* Внутри контейнеров создаются папки /work для файлов скриптов, папки /var/result, /var/data для обоих сервисов
* В оба контейнера устанавливается фреймворк Flask
* Выбирается рабочая директория /work и туда копируются файлы скриптов
* Командой запускаются сами скрипты
Общий yml-файл настроен следующим образом:
* блок services, где перечислены разворачиваемые сервисы.
* для каждого сервиса прописан build, где обозначается его папка
* для каждого сервиса прописано пробрасывание портов на хостовую машину
* для каждого сервиса прописано отображение внутриконтейнерных папок на хостовые
## Результат
Пример выполнения:
Исходные данные: четыре файла в папке /var/data с разным по длине названием
Ход работы: нажатие кнопок на странице первого сервиса, потом - второго
Созданные контейнеры:
![Контейнеры](images/containers.png)
Страница первого задания:
![Страница первого задания](images/exercise1.png)
Выходные данные при выполнении второго задания:
![Второе задание. Результат](images/exercise2.png)
## Ссылка на видео
https://youtu.be/CEAAr0xolxM

View File

@ -1,19 +0,0 @@
version: '3'
services:
service1:
build:
context: ./service1
ports:
- "8081:8081"
volumes:
- .\var\data:/var/data
- .\var\result:/var/result
service2:
build:
context: ./service2
ports:
- "8082:8082"
volumes:
- ./var/result:/var/result

Binary file not shown.

Before

Width:  |  Height:  |  Size: 21 KiB

Binary file not shown.

Before

Width:  |  Height:  |  Size: 3.9 KiB

Binary file not shown.

Before

Width:  |  Height:  |  Size: 4.9 KiB

View File

@ -1,15 +0,0 @@
FROM python:3.11
ENV LISTEN_PORT=8081
EXPOSE 8081
RUN ["mkdir", "/work"]
RUN ["mkdir", "/var/data"]
RUN ["mkdir", "/var/result"]
RUN pip install Flask
WORKDIR /work
COPY index.html service1.py ./
CMD ["python", "service1.py"]

View File

@ -1,12 +0,0 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Сервис № 1</title>
</head>
<body>
<form action="http://localhost:8081/ex">
<input type="submit" value="Выполнить 1ое задание"/>
</form>
</body>
</html>

View File

@ -1,39 +0,0 @@
from flask import Flask, redirect, render_template
import os
app = Flask(__name__, template_folder='')
@app.route('/')
def home():
return render_template("index.html")
@app.route('/ex')
def do():
current_directory = os.getcwd()
directory_elements = current_directory.split(os.path.sep) # Разделяем по разделителю каталогов
cur_d = os.path.sep.join(directory_elements[:-1])
data_dir = cur_d + '/var/data'
path_result_file = cur_d + '/var/result/data.txt'
try:
# Получаем список файлов в указанном каталоге
files = os.listdir(data_dir)
# Формируем путь к каждому файлу и считаем количество символов в именах
characters_count_list = [len(file) for file in files]
# Пишем результат в файл data.txt
with open(path_result_file, 'w') as result_file:
for count in characters_count_list:
result_file.write(f'{count}\n')
print(f'Файл успешно создан.')
except Exception as e:
print(f'Произошла ошибка: {e}')
return redirect("/")
app.run(host='0.0.0.0', port=8081)

View File

@ -1,14 +0,0 @@
FROM python:3.11
ENV LISTEN_PORT=8082
EXPOSE 8082
RUN ["mkdir", "/work"]
RUN ["mkdir", "/var/result"]
RUN pip install Flask
WORKDIR /work
COPY index.html result.html service2.py ./
CMD ["python", "service2.py"]

View File

@ -1,12 +0,0 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Сервис № 2</title>
</head>
<body>
<form action="http://localhost:8082/ex">
<input type="submit" value="Выполнить 2ое задание"/>
</form>
</body>
</html>

View File

@ -1,10 +0,0 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<title>Результат работы</title>
</head>
<body>
<h2>Результат: {{num}}</h2>
</body>
</html>

View File

@ -1,43 +0,0 @@
import os
from flask import Flask, render_template
app = Flask(__name__, template_folder='')
@app.route('/')
def home():
return render_template("index.html")
@app.route('/ex')
def do():
current_directory = os.getcwd()
directory_elements = current_directory.split(os.path.sep) # Разделяем по разделителю каталогов
cur_d = os.path.sep.join(directory_elements[:-1])
path_data_file = cur_d + '/var/result/data.txt'
path_result_file = cur_d + '/var/result/result.txt'
min_number = 0
try:
# Чтение чисел из файла
with open(path_data_file, 'r') as file:
numbers = [float(line.strip()) for line in file]
# Поиск минимального числа
min_number = min(numbers)
# Возведение минимального числа в третью степень
result = min_number ** 3
# Запись результата в файл
with open(path_result_file, 'w') as result_file:
result_file.write(str(result))
print(f'Наименьшее число из файла {path_data_file} в третьей степени сохранено в {path_result_file}.')
except Exception as e:
print(f'Произошла ошибка: {e}')
return render_template("result.html", num=min_number)
app.run(host='0.0.0.0', port=8082)