AWS DMS 예제

.gitignore

@@ -10,11 +10,10 @@
 crash.log
 
 # Exclude all .tfvars files, which are likely to contain sentitive data, such as
-# password, private keys, and other secrets. These should not be part of version 
-# control as they are data points which are potentially sensitive and subject 
+# password, private keys, and other secrets. These should not be part of version
+# control as they are data points which are potentially sensitive and subject
 # to change depending on the environment.
 #
-*.tfvars
 
 # Ignore override files as they are usually used to override resources locally and so
 # are not checked in

computer_science/README.md

@@ -6,3 +6,4 @@
 | ---- | ---- | ---- |
 | 1 | ssh 비대칭키로 암호화와 복호화 | [링크](./encryption_and_decryption/) |
 | 2 | ssh vs telnet | [링크](./ssh_vs_telnet/) |
+| 3 | AWS DMS를 사용한 DB 마이그레이션 | [링크](./db_migration_with_aws/) |

computer_science/db_migration_with_aws/application/README.md

@@ -0,0 +1,4 @@
+# 개요
+* 간단히 메모를 추가하는 웹 애플리케이션
+* django로 개발
+* mysql를 DB로 사용

computer_science/db_migration_with_aws/application/memo_project/.dockerignore

@@ -0,0 +1,44 @@
+# Python cache
+__pycache__/
+*.pyc
+*.pyo
+*.pyd
+
+# Virtual environments
+venv/
+.env/
+
+# Local settings
+*.env
+*.local
+*.log
+
+# Django static and media files (if generated locally)
+staticfiles/
+media/
+
+# Node modules (if you're using npm or yarn)
+node_modules/
+
+# Distribution / Packaging
+*.egg-info/
+dist/
+build/
+
+# Docker
+Dockerfile
+docker-compose.yml
+
+# Git
+.git/
+.gitignore
+
+# IDEs and editors
+*.vscode/
+*.idea/
+*.swp
+
+Makefile
+docker-compose.yml
+
+.idea/

computer_science/db_migration_with_aws/application/memo_project/.gitignore

@@ -0,0 +1 @@
+.env

computer_science/db_migration_with_aws/application/memo_project/Dockerfile

@@ -0,0 +1,22 @@
+FROM python:3.12
+
+WORKDIR /app
+
+RUN apt-get update && apt-get install -y \
+    libpq-dev \
+    gcc \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+
+COPY ./ /app
+
+RUN pip install --upgrade pip
+RUN pip install poetry
+RUN poetry install
+
+RUN poetry run python manage.py collectstatic --noinput
+
+EXPOSE 8000
+
+CMD ["poetry", "run", "gunicorn", "--bind", "0.0.0.0:8000", "memo_project.asgi:application"]

computer_science/db_migration_with_aws/application/memo_project/Makefile

@@ -0,0 +1,10 @@
+IMAGE_NAME=choisunguk/dms-example-memo
+IMAGE_TAG=v1
+
+create-builder:
+	docker buildx create --name mybuilder --use
+
+build-push:
+	docker buildx build --platform linux/amd64,linux/arm64 -t $(IMAGE_NAME):${IMAGE_TAG} --push .
+
+.PHONY: create-builder build-push

computer_science/db_migration_with_aws/application/memo_project/README.md

@@ -0,0 +1,38 @@
+# 로컬 개발환경 설정
+
+* mysql 컨테이너 실행
+
+```sh
+docker-compose up -d
+```
+
+* 환경변수 설정하기 위해 .env파일 생성
+
+```sh
+$ cd memo_project
+$ vi .env
+DEBUG=True
+DATABASE_HOST=127.0.0.1
+DATABASE_PORT=3306
+DATABASE_NAME=memo_db
+DATABASE_USER=memo
+DATABASE_PASSWORD=password
+```
+
+# 로컬 실행 방법
+* 파이썬 패키지 설치
+
+```sh
+# poetry 파이썬 가상환경 실행
+$ poetry shell
+# 파이썬 패키지 설치
+$ poetry install
+```
+
+* django 실행
+
+```sh
+python manage.py runserver
+```
+
+* 웹브라우저에서 http://127.0.0.1:8000/ 접속

computer_science/db_migration_with_aws/application/memo_project/docker-compose.yml

@@ -0,0 +1,23 @@
+version: '3.8'
+
+services:
+  mysql:
+    image: mysql:8.0
+    container_name: django_mysql
+    environment:
+      MYSQL_ROOT_PASSWORD: password
+      MYSQL_DATABASE: memo_db
+      MYSQL_USER: memo
+      MYSQL_PASSWORD: password
+    ports:
+      - "3306:3306"
+    volumes:
+      - mysql_data:/var/lib/mysql
+    networks:
+      - mysql_network
+
+volumes:
+  mysql_data:
+
+networks:
+  mysql_network:

computer_science/db_migration_with_aws/application/memo_project/manage.py

@@ -0,0 +1,22 @@
+#!/usr/bin/env python
+"""Django's command-line utility for administrative tasks."""
+import os
+import sys
+
+
+def main():
+    """Run administrative tasks."""
+    os.environ.setdefault("DJANGO_SETTINGS_MODULE", "memo_project.settings")
+    try:
+        from django.core.management import execute_from_command_line
+    except ImportError as exc:
+        raise ImportError(
+            "Couldn't import Django. Are you sure it's installed and "
+            "available on your PYTHONPATH environment variable? Did you "
+            "forget to activate a virtual environment?"
+        ) from exc
+    execute_from_command_line(sys.argv)
+
+
+if __name__ == "__main__":
+    main()

computer_science/db_migration_with_aws/application/memo_project/memo/admin.py

@@ -0,0 +1,3 @@
+from django.contrib import admin
+
+# Register your models here.

computer_science/db_migration_with_aws/application/memo_project/memo/apps.py

@@ -0,0 +1,6 @@
+from django.apps import AppConfig
+
+
+class MemoConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "memo"

computer_science/db_migration_with_aws/application/memo_project/memo/forms.py

@@ -0,0 +1,7 @@
+from django import forms
+from .models import Memo
+
+class MemoForm(forms.ModelForm):
+    class Meta:
+        model = Memo
+        fields = ['title', 'content']

computer_science/db_migration_with_aws/application/memo_project/memo/models.py

@@ -0,0 +1,8 @@
+from django.db import models
+
+# Create your models here.
+class Memo(models.Model):
+    title = models.CharField(max_length=100) # VARCHAR
+    content = models.TextField() # TEXT
+    created_at = models.DateTimeField(auto_now_add=True)
+    updated_at = models.DateTimeField(auto_now=True)

computer_science/db_migration_with_aws/application/memo_project/memo/static/css/styles.css

@@ -0,0 +1,117 @@
+body {
+    font-family: Arial, sans-serif;
+    background-color: #f5f5f5;
+    color: #333;
+    margin: 0;
+    padding: 0;
+    display: flex;
+    justify-content: center;
+    align-items: center;
+    height: 100vh;
+}
+
+.container {
+    background-color: #ffffff;
+    padding: 20px;
+    border-radius: 8px;
+    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
+    width: 100%;
+    max-width: 600px;
+}
+
+h1 {
+    font-size: 24px;
+    margin-bottom: 20px;
+    color: #444;
+    text-align: center;
+}
+
+ul {
+    list-style-type: none;
+    padding: 0;
+}
+
+li {
+    background-color: #fafafa;
+    margin: 10px 0;
+    padding: 10px;
+    border-radius: 4px;
+    display: flex;
+    justify-content: space-between;
+    align-items: center;
+}
+
+li a {
+    text-decoration: none;
+    color: #007bff;
+}
+
+li a:hover {
+    text-decoration: underline;
+}
+
+a.button {
+    display: inline-block;
+    padding: 10px 15px;
+    margin-top: 10px;
+    background-color: #007bff;
+    color: white;
+    border-radius: 4px;
+    text-decoration: none;
+    text-align: center;
+}
+
+a.button:hover {
+    background-color: #0056b3;
+}
+
+form {
+    display: flex;
+    flex-direction: column;
+}
+
+form input[type="text"], form textarea {
+    margin-bottom: 10px;
+    padding: 10px;
+    border-radius: 4px;
+    border: 1px solid #ccc;
+}
+
+form button {
+    padding: 10px 15px;
+    border: none;
+    border-radius: 4px;
+    background-color: #28a745;
+    color: white;
+    cursor: pointer;
+}
+
+form button:hover {
+    background-color: #218838;
+}
+
+/* 기본 버튼 스타일 */
+a.button {
+    display: inline-block; /* 링크를 인라인 요소에서 블록 요소로 변경 */
+    padding: 10px 20px; /* 내부 여백을 추가하여 버튼처럼 보이게 함 */
+    font-size: 16px; /* 글자 크기 설정 */
+    color: #ffffff; /* 텍스트 색상 */
+    background-color: #007bff; /* 버튼 배경색 */
+    text-align: center; /* 텍스트를 가운데 정렬 */
+    text-decoration: none; /* 기본 링크의 밑줄 제거 */
+    border-radius: 5px; /* 버튼 모서리를 둥글게 */
+    transition: background-color 0.3s ease, transform 0.1s ease; /* 배경색 및 크기 변화에 애니메이션 추가 */
+    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2); /* 버튼에 약간의 그림자 추가 */
+}
+
+/* 마우스를 올렸을 때 */
+a.button:hover {
+    background-color: #0056b3; /* 더 짙은 파란색으로 변경 */
+    transform: scale(1.05); /* 약간 확대되는 효과 */
+}
+
+/* 클릭 중인 상태 */
+a.button:active {
+    background-color: #00376b; /* 클릭 중일 때 더 짙은 색으로 변경 */
+    transform: scale(0.98); /* 클릭 중일 때 약간 축소되어 눌리는 느낌 */
+}

computer_science/db_migration_with_aws/application/memo_project/memo/templates/base.html

@@ -0,0 +1,16 @@
+<!DOCTYPE html>
+<html lang="en">
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    {% load static %}
+    <link rel="stylesheet" type="text/css" href="{% static 'css/styles.css' %}">
+    <title>Memo App</title>
+</head>
+<body>
+    <div class="container">
+    {% block content %}
+    {% endblock %}
+    </div>
+</body>
+</html>

computer_science/db_migration_with_aws/application/memo_project/memo/templates/memo_confirm_delete.html

@@ -0,0 +1,11 @@
+{% extends "base.html" %}
+
+{% block content %}
+    <h1>Delete Memo</h1>
+    <p>Are you sure you want to delete the memo "{{ memo.title }}"?</p>
+    <form method="post">
+        {% csrf_token %}
+        <button type="submit">Confirm Delete</button>
+    </form>
+    <a href="{% url 'memo_list' %}" class="button">Cancel</a>
+{% endblock %}

computer_science/db_migration_with_aws/application/memo_project/memo/templates/memo_form.html

@@ -0,0 +1,11 @@
+{% extends "base.html" %}
+
+{% block content %}
+    <h1>{% if form.instance.pk %}Edit Memo{% else %}Create Memo{% endif %}</h1>
+    <form method="post">
+        {% csrf_token %}
+        {{ form.as_p }}
+        <button type="submit">Save</button>
+    </form>
+    <a href="{% url 'memo_list' %}" class="button">Back to List</a>
+{% endblock %}