Compare commits
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v3.0-buggy
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main
| Author | SHA1 | Date | |
|---|---|---|---|
| f9d3a9d4ee | |||
| aea85d62e4 | |||
| 7e2ccfcba0 | |||
| c75e679a92 | |||
| 1e4c268a43 | |||
| 27e9a74e4e | |||
| 5fdd986a63 | |||
| a1552008de |
73
.drone.yml
73
.drone.yml
@@ -1,73 +0,0 @@
|
||||
kind: pipeline
|
||||
type: docker
|
||||
name: build-by-tag
|
||||
|
||||
node:
|
||||
name: pve
|
||||
|
||||
trigger:
|
||||
event:
|
||||
- tag
|
||||
ref:
|
||||
- refs/tags/v*
|
||||
|
||||
steps:
|
||||
- name: build-and-push-normal
|
||||
image: plugins/docker
|
||||
settings:
|
||||
registry: harbor.seahi.me
|
||||
repo: harbor.seahi.me/stu/versions-for-swarm
|
||||
username:
|
||||
from_secret: harbor_username
|
||||
password:
|
||||
from_secret: harbor_password
|
||||
insecure: true
|
||||
tags:
|
||||
- ${DRONE_TAG}
|
||||
build_args:
|
||||
- APP_VERSION=${DRONE_TAG}
|
||||
auto_tag: false
|
||||
when:
|
||||
ref:
|
||||
exclude:
|
||||
- refs/tags/*buggy*
|
||||
|
||||
- name: build-and-push-buggy
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image: plugins/docker
|
||||
settings:
|
||||
registry: harbor.seahi.me
|
||||
repo: harbor.seahi.me/stu/versions-for-swarm
|
||||
username:
|
||||
from_secret: harbor_username
|
||||
password:
|
||||
from_secret: harbor_password
|
||||
insecure: true
|
||||
tags:
|
||||
- ${DRONE_TAG}
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||||
build_args:
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- APP_VERSION=${DRONE_TAG}
|
||||
- BUGGY=true
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||||
auto_tag: false
|
||||
when:
|
||||
ref:
|
||||
include:
|
||||
- refs/tags/*buggy*
|
||||
|
||||
- name: tag-latest-if-v2.1
|
||||
image: plugins/docker
|
||||
settings:
|
||||
registry: harbor.seahi.me
|
||||
repo: harbor.seahi.me/stu/versions-for-swarm
|
||||
username:
|
||||
from_secret: harbor_username
|
||||
password:
|
||||
from_secret: harbor_password
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||||
insecure: true
|
||||
tags:
|
||||
- latest
|
||||
build_args:
|
||||
- APP_VERSION=${DRONE_TAG}
|
||||
auto_tag: false
|
||||
when:
|
||||
ref:
|
||||
- refs/tags/v2.1
|
||||
53
.gitea/workflows/build.yml
Normal file
53
.gitea/workflows/build.yml
Normal file
@@ -0,0 +1,53 @@
|
||||
name: Build Docker Images
|
||||
|
||||
on:
|
||||
push:
|
||||
branches:
|
||||
- main
|
||||
workflow_dispatch:
|
||||
|
||||
jobs:
|
||||
build:
|
||||
runs-on: ubuntu-latest
|
||||
strategy:
|
||||
matrix:
|
||||
version:
|
||||
- tag: v1.0
|
||||
app_version: v1.0
|
||||
buggy: false
|
||||
- tag: v2.0
|
||||
app_version: v2.0
|
||||
buggy: false
|
||||
- tag: v2.1
|
||||
app_version: v2.1
|
||||
buggy: false
|
||||
- tag: v3.0-buggy
|
||||
app_version: v3.0-buggy
|
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buggy: true
|
||||
|
||||
steps:
|
||||
- name: Checkout code
|
||||
uses: actions/checkout@v4
|
||||
|
||||
- name: Set up Docker Buildx
|
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uses: docker/setup-buildx-action@v3
|
||||
|
||||
- name: Log in to Harbor
|
||||
uses: docker/login-action@v3
|
||||
with:
|
||||
registry: harbor.seahi.me
|
||||
username: ${{ secrets.HARBOR_USERNAME }}
|
||||
password: ${{ secrets.HARBOR_PASSWORD }}
|
||||
|
||||
- name: Build and push ${{ matrix.version.tag }}
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||||
uses: docker/build-push-action@v5
|
||||
with:
|
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context: .
|
||||
platforms: linux/amd64
|
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push: true
|
||||
tags: harbor.seahi.me/stu/versions-for-swarm:${{ matrix.version.tag }}
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build-args: |
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||||
APP_VERSION=${{ matrix.version.app_version }}
|
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BUGGY=${{ matrix.version.buggy }}
|
||||
cache-from: type=registry,ref=harbor.seahi.me/stu/versions-for-swarm:buildcache
|
||||
cache-to: type=registry,ref=harbor.seahi.me/stu/versions-for-swarm:buildcache,mode=max
|
||||
13
Dockerfile
13
Dockerfile
@@ -7,8 +7,7 @@ ARG BUGGY=false
|
||||
# 设置时区
|
||||
RUN apk add --no-cache tzdata && \
|
||||
cp /usr/share/zoneinfo/Asia/Shanghai /etc/localtime && \
|
||||
echo "Asia/Shanghai" > /etc/timezone && \
|
||||
apk del tzdata
|
||||
echo "Asia/Shanghai" > /etc/timezone
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||||
|
||||
ENV TZ=Asia/Shanghai \
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APP_VERSION=${APP_VERSION} \
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||||
@@ -16,17 +15,15 @@ ENV TZ=Asia/Shanghai \
|
||||
|
||||
WORKDIR /app
|
||||
|
||||
RUN pip install flask
|
||||
# COPY requirements.txt .
|
||||
# RUN pip install --no-cache-dir -r requirements.txt
|
||||
COPY requirements.txt .
|
||||
RUN pip install --no-cache-dir -r requirements.txt
|
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|
||||
COPY app.py .
|
||||
|
||||
EXPOSE 80
|
||||
|
||||
# 添加健康检查(v2.0+ 特性)
|
||||
# 注意:v1.0 版本没有 /health 端点,不应添加健康检查
|
||||
# HEALTHCHECK --interval=10s --timeout=3s --start-period=5s --retries=3 \
|
||||
# CMD wget --no-verbose --tries=1 --spider http://localhost/health || exit 1
|
||||
HEALTHCHECK --interval=10s --timeout=3s --start-period=30s --retries=3 \
|
||||
CMD wget -q --spider http://127.0.0.1:80/health 2>&1 || exit 1
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||||
|
||||
CMD ["python", "app.py"]
|
||||
|
||||
33
README.md
33
README.md
@@ -2,8 +2,6 @@
|
||||
|
||||
> 🎓 专为 Docker Swarm 滚动更新与回滚教学设计的多版本应用
|
||||
|
||||
[](https://drone.seahi.me/Teaching/versions-for-swarm)
|
||||
|
||||
## 📋 项目简介
|
||||
|
||||
这是一个用于演示 Docker Swarm 滚动更新、回滚和版本管理的教学项目。通过**视觉化的版本差异**(不同颜色主题),学生可以直观地观察到:
|
||||
@@ -20,7 +18,7 @@
|
||||
| **v1.0** | 🔵 蓝色 | 基础功能 | 初始部署演示 |
|
||||
| **v2.0** | 🟢 绿色 | 新增健康检查、API接口 | 正常升级演示 |
|
||||
| **v2.1** | 🟢 绿色 | 性能优化、Bug修复 | 稳定版本 |
|
||||
| **v3.0-buggy** | 🔴 红色 | ⚠️ 50%概率返回500错误 | 回滚场景演示 |
|
||||
| **v3.0-buggy** | 🔴 红色 | ⚠️ 70%概率返回500错误 | 回滚场景演示 |
|
||||
|
||||
## 🚀 快速开始
|
||||
|
||||
@@ -29,9 +27,32 @@
|
||||
```bash
|
||||
docker service create \
|
||||
--replicas 3 \
|
||||
--name demo-app \
|
||||
--name s00 \
|
||||
--publish 9000:80 \
|
||||
--env STUDENT_ID=00 \
|
||||
--update-delay 10s \
|
||||
--update-parallelism 1 \
|
||||
harbor.seahi.me/stu/versions-for-swarm:v1.0
|
||||
```
|
||||
|
||||
### 2️⃣ 部署后续版本 (v2.0)
|
||||
|
||||
```bash
|
||||
docker service update \
|
||||
--image harbor.seahi.me/stu/versions-for-swarm:v2.0 \
|
||||
s00
|
||||
```
|
||||
|
||||
### 3️⃣ 部署稳定版本 (v2.1)
|
||||
|
||||
```bash
|
||||
docker service update \
|
||||
--image harbor.seahi.me/stu/versions-for-swarm:v2.1 \
|
||||
s00
|
||||
```
|
||||
|
||||
### 4️⃣ 部署故障版本 (v3.0-buggy)
|
||||
|
||||
```bash
|
||||
docker service update \
|
||||
--image harbor.seahi.me/stu/versions-for-swarm:v3.0-buggy \
|
||||
s00
|
||||
```
|
||||
|
||||
141
app.py
141
app.py
@@ -1,30 +1,98 @@
|
||||
from flask import Flask, jsonify
|
||||
import socket
|
||||
import os
|
||||
from datetime import datetime
|
||||
import random
|
||||
import socket
|
||||
from datetime import datetime
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||||
|
||||
from flask import Flask, jsonify
|
||||
|
||||
app = Flask(__name__)
|
||||
|
||||
# 从环境变量读取版本号
|
||||
VERSION = os.getenv('APP_VERSION', 'v1.0')
|
||||
BUGGY = os.getenv('BUGGY', 'false').lower() == 'true'
|
||||
VERSION = os.getenv("APP_VERSION", "v1.0")
|
||||
BUGGY = os.getenv("BUGGY", "false").lower() == "true"
|
||||
|
||||
# 版本主题配置
|
||||
THEMES = {
|
||||
'v1.0': {'color': '#4A90E2', 'name': '蓝色经典版', 'features': '基础功能'},
|
||||
'v2.0': {'color': '#50C878', 'name': '绿色升级版', 'features': '新增健康检查、API接口'},
|
||||
'v2.1': {'color': '#50C878', 'name': '绿色稳定版', 'features': '性能优化、Bug修复'},
|
||||
'v3.0-buggy': {'color': '#E74C3C', 'name': '红色测试版', 'features': '⚠️ 此版本存在已知问题'}
|
||||
"v1.0": {"color": "#4A90E2", "name": "蓝色经典版", "features": "基础功能"},
|
||||
"v2.0": {
|
||||
"color": "#50C878",
|
||||
"name": "绿色升级版",
|
||||
"features": "新增健康检查、API接口",
|
||||
},
|
||||
"v2.1": {"color": "#50C878", "name": "绿色稳定版", "features": "性能优化、Bug修复"},
|
||||
"v3.0-buggy": {
|
||||
"color": "#E74C3C",
|
||||
"name": "红色测试版",
|
||||
"features": "⚠️ 此版本存在已知问题",
|
||||
},
|
||||
}
|
||||
|
||||
@app.route('/')
|
||||
|
||||
@app.route("/")
|
||||
def hello():
|
||||
# 模拟 v3.0-buggy 的问题
|
||||
if BUGGY and random.random() < 0.5:
|
||||
return "💥 服务异常:数据库连接失败", 500
|
||||
return (
|
||||
f"""
|
||||
<!DOCTYPE html>
|
||||
<html>
|
||||
<head>
|
||||
<title>服务异常</title>
|
||||
<meta charset="utf-8">
|
||||
<meta http-equiv="refresh" content="3">
|
||||
<style>
|
||||
body {{
|
||||
font-family: Arial;
|
||||
max-width: 700px;
|
||||
margin: 50px auto;
|
||||
padding: 30px;
|
||||
background: linear-gradient(135deg, #E74C3C22 0%, #E74C3C44 100%);
|
||||
}}
|
||||
.error-box {{
|
||||
background: white;
|
||||
padding: 40px;
|
||||
border-radius: 10px;
|
||||
box-shadow: 0 4px 6px rgba(0,0,0,0.1);
|
||||
text-align: center;
|
||||
border-left: 5px solid #E74C3C;
|
||||
}}
|
||||
.error-icon {{
|
||||
font-size: 4em;
|
||||
margin-bottom: 20px;
|
||||
}}
|
||||
.error-message {{
|
||||
color: #E74C3C;
|
||||
font-size: 1.5em;
|
||||
font-weight: bold;
|
||||
margin-bottom: 20px;
|
||||
}}
|
||||
.info {{
|
||||
color: #666;
|
||||
margin: 10px 0;
|
||||
}}
|
||||
.auto-refresh {{
|
||||
color: #999;
|
||||
font-size: 0.85em;
|
||||
margin-top: 20px;
|
||||
}}
|
||||
</style>
|
||||
</head>
|
||||
<body>
|
||||
<div class="error-box">
|
||||
<div class="error-icon">💥</div>
|
||||
<div class="error-message">服务异常:数据库连接失败</div>
|
||||
<div class="info">版本: {VERSION}</div>
|
||||
<div class="info">主机: {socket.gethostname()}</div>
|
||||
<div class="info">学号: s{os.getenv("STUDENT_ID", "00")}</div>
|
||||
<div class="auto-refresh">🔄 页面每3秒自动刷新</div>
|
||||
</div>
|
||||
</body>
|
||||
</html>
|
||||
""",
|
||||
500,
|
||||
)
|
||||
|
||||
theme = THEMES.get(VERSION, THEMES['v1.0'])
|
||||
theme = THEMES.get(VERSION, THEMES["v1.0"])
|
||||
|
||||
return f"""
|
||||
<!DOCTYPE html>
|
||||
@@ -39,10 +107,10 @@ def hello():
|
||||
max-width: 700px;
|
||||
margin: 50px auto;
|
||||
padding: 30px;
|
||||
background: linear-gradient(135deg, {theme['color']}22 0%, {theme['color']}44 100%);
|
||||
background: linear-gradient(135deg, {theme["color"]}22 0%, {theme["color"]}44 100%);
|
||||
}}
|
||||
.header {{
|
||||
background: {theme['color']};
|
||||
background: {theme["color"]};
|
||||
color: white;
|
||||
padding: 20px;
|
||||
border-radius: 10px 10px 0 0;
|
||||
@@ -55,13 +123,13 @@ def hello():
|
||||
box-shadow: 0 4px 6px rgba(0,0,0,0.1);
|
||||
}}
|
||||
.highlight {{
|
||||
color: {theme['color']};
|
||||
color: {theme["color"]};
|
||||
font-weight: bold;
|
||||
font-size: 1.2em;
|
||||
}}
|
||||
.version-badge {{
|
||||
display: inline-block;
|
||||
background: {theme['color']};
|
||||
background: {theme["color"]};
|
||||
color: white;
|
||||
padding: 5px 15px;
|
||||
border-radius: 20px;
|
||||
@@ -91,7 +159,7 @@ def hello():
|
||||
</head>
|
||||
<body>
|
||||
<div class="header">
|
||||
<h1>🚀 {theme['name']}</h1>
|
||||
<h1>🚀 {theme["name"]}</h1>
|
||||
<div class="version-badge">版本 {VERSION}</div>
|
||||
</div>
|
||||
<div class="info">
|
||||
@@ -102,15 +170,15 @@ def hello():
|
||||
</tr>
|
||||
<tr>
|
||||
<td>🎓 学号服务</td>
|
||||
<td class="highlight">s{os.getenv('STUDENT_ID', '00')}</td>
|
||||
<td class="highlight">s{os.getenv("STUDENT_ID", "00")}</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>⏰ 当前时间</td>
|
||||
<td class="highlight">{datetime.now().strftime('%Y-%m-%d %H:%M:%S')}</td>
|
||||
<td class="highlight">{datetime.now().strftime("%Y-%m-%d %H:%M:%S")}</td>
|
||||
</tr>
|
||||
<tr>
|
||||
<td>✨ 版本特性</td>
|
||||
<td class="highlight">{theme['features']}</td>
|
||||
<td class="highlight">{theme["features"]}</td>
|
||||
</tr>
|
||||
</table>
|
||||
<div class="auto-refresh">🔄 页面每3秒自动刷新,观察容器变化</div>
|
||||
@@ -119,21 +187,26 @@ def hello():
|
||||
</html>
|
||||
"""
|
||||
|
||||
@app.route('/api/version')
|
||||
|
||||
@app.route("/api/version")
|
||||
def version():
|
||||
return jsonify({
|
||||
'version': VERSION,
|
||||
'hostname': socket.gethostname(),
|
||||
'student_id': os.getenv('STUDENT_ID', '00'),
|
||||
'timestamp': datetime.now().isoformat(),
|
||||
'buggy': BUGGY
|
||||
})
|
||||
return jsonify(
|
||||
{
|
||||
"version": VERSION,
|
||||
"hostname": socket.gethostname(),
|
||||
"student_id": os.getenv("STUDENT_ID", "00"),
|
||||
"timestamp": datetime.now().isoformat(),
|
||||
"buggy": BUGGY,
|
||||
}
|
||||
)
|
||||
|
||||
@app.route('/health')
|
||||
|
||||
@app.route("/health")
|
||||
def health():
|
||||
if BUGGY and random.random() < 0.3:
|
||||
return {'status': 'unhealthy'}, 503
|
||||
return {'status': 'healthy', 'version': VERSION}, 200
|
||||
if BUGGY and random.random() < 0.7:
|
||||
return {"status": "unhealthy"}, 503
|
||||
return {"status": "healthy", "version": VERSION}, 200
|
||||
|
||||
if __name__ == '__main__':
|
||||
app.run(host='0.0.0.0', port=80)
|
||||
|
||||
if __name__ == "__main__":
|
||||
app.run(host="0.0.0.0", port=80)
|
||||
|
||||
49
build.sh
49
build.sh
@@ -1,25 +1,38 @@
|
||||
#!/bin/bash
|
||||
REGISTRY="harbor.seahi.me/stu"
|
||||
IMAGE_NAME="whoami-for-swarm"
|
||||
IMAGE_NAME="versions-for-swarm"
|
||||
PLATFORMS="linux/amd64,linux/386,linux/arm64"
|
||||
|
||||
# 构建 v1.0
|
||||
docker build --build-arg APP_VERSION=v1.0 \
|
||||
-t ${REGISTRY}/${IMAGE_NAME}:v1.0 .
|
||||
docker push ${REGISTRY}/${IMAGE_NAME}:v1.0
|
||||
# 创建并使用支持多平台的 builder(如果不存在)
|
||||
if ! docker buildx inspect multiplatform-builder >/dev/null 2>&1; then
|
||||
docker buildx create --name multiplatform-builder --driver docker-container --bootstrap
|
||||
fi
|
||||
docker buildx use multiplatform-builder
|
||||
|
||||
# 构建 v2.0
|
||||
docker build --build-arg APP_VERSION=v2.0 \
|
||||
-t ${REGISTRY}/${IMAGE_NAME}:v2.0 .
|
||||
docker push ${REGISTRY}/${IMAGE_NAME}:v2.0
|
||||
echo "🚀 开始构建所有版本..."
|
||||
|
||||
# 构建 v2.1
|
||||
docker build --build-arg APP_VERSION=v2.1 \
|
||||
-t ${REGISTRY}/${IMAGE_NAME}:v2.1 .
|
||||
docker push ${REGISTRY}/${IMAGE_NAME}:v2.1
|
||||
# 并行构建所有版本
|
||||
docker buildx build --platform ${PLATFORMS} --build-arg APP_VERSION=v1.0 \
|
||||
-t ${REGISTRY}/${IMAGE_NAME}:v1.0 --push \
|
||||
--cache-from type=registry,ref=${REGISTRY}/${IMAGE_NAME}:buildcache \
|
||||
--cache-to type=registry,ref=${REGISTRY}/${IMAGE_NAME}:buildcache,mode=max . &
|
||||
|
||||
# 构建 v3.0-buggy(有问题的版本)
|
||||
docker build --build-arg APP_VERSION=v3.0-buggy --build-arg BUGGY=true \
|
||||
-t ${REGISTRY}/${IMAGE_NAME}:v3.0-buggy .
|
||||
docker push ${REGISTRY}/${IMAGE_NAME}:v3.0-buggy
|
||||
docker buildx build --platform ${PLATFORMS} --build-arg APP_VERSION=v2.0 \
|
||||
-t ${REGISTRY}/${IMAGE_NAME}:v2.0 --push \
|
||||
--cache-from type=registry,ref=${REGISTRY}/${IMAGE_NAME}:buildcache \
|
||||
--cache-to type=registry,ref=${REGISTRY}/${IMAGE_NAME}:buildcache,mode=max . &
|
||||
|
||||
echo "✅ 所有版本构建完成!"
|
||||
docker buildx build --platform ${PLATFORMS} --build-arg APP_VERSION=v2.1 \
|
||||
-t ${REGISTRY}/${IMAGE_NAME}:v2.1 --push \
|
||||
--cache-from type=registry,ref=${REGISTRY}/${IMAGE_NAME}:buildcache \
|
||||
--cache-to type=registry,ref=${REGISTRY}/${IMAGE_NAME}:buildcache,mode=max . &
|
||||
|
||||
docker buildx build --platform ${PLATFORMS} --build-arg APP_VERSION=v3.0-buggy --build-arg BUGGY=true \
|
||||
-t ${REGISTRY}/${IMAGE_NAME}:v3.0-buggy --push \
|
||||
--cache-from type=registry,ref=${REGISTRY}/${IMAGE_NAME}:buildcache \
|
||||
--cache-to type=registry,ref=${REGISTRY}/${IMAGE_NAME}:buildcache,mode=max . &
|
||||
|
||||
# 等待所有后台任务完成
|
||||
wait
|
||||
|
||||
echo "✅ 所有版本构建完成(支持平台: ${PLATFORMS})!"
|
||||
|
||||
1
requirements.txt
Normal file
1
requirements.txt
Normal file
@@ -0,0 +1 @@
|
||||
flask
|
||||
Reference in New Issue
Block a user