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docker-mirror.yaml
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name: Docker Mirror
on:
workflow_dispatch:
push:
branches: [ main ]
env:
ALIYUN_REGISTRY: "${{ secrets.ALIYUN_REGISTRY }}"
ALIYUN_NAME_SPACE: "${{ secrets.ALIYUN_NAME_SPACE }}"
ALIYUN_REGISTRY_USER: "${{ secrets.ALIYUN_REGISTRY_USER }}"
ALIYUN_REGISTRY_PASSWORD: "${{ secrets.ALIYUN_REGISTRY_PASSWORD }}"
jobs:
build:
name: Docker Mirror Job
runs-on: ubuntu-latest
steps:
- name: Before freeing up disk space
run: |
echo "Before freeing up disk space"
echo "=============================================================================="
df -hT
echo "=============================================================================="
# 增加可用磁盘空间
- name: Maximize build space
uses: easimon/maximize-build-space@master
with:
root-reserve-mb: 2048
swap-size-mb: 128
remove-dotnet: 'true'
remove-haskell: 'true'
# 如果空间还是不够用，可以把以下开启，清理出更多空间
# remove-android: 'true'
# remove-codeql: 'true'
build-mount-path: '/var/lib/docker/'
- name: Restart docker
run: sudo service docker restart
- name: Free up disk space complete
run: |
echo "Free up disk space complete"
echo "=============================================================================="
df -hT
echo "=============================================================================="
- name: Checkout Code
uses: actions/checkout@v4
- name: Docker Setup Buildx
uses: docker/setup-buildx-action@v3
- name: Build and push image Aliyun
run: |
docker login -u $ALIYUN_REGISTRY_USER -p $ALIYUN_REGISTRY_PASSWORD $ALIYUN_REGISTRY
# 数据预处理,判断镜像是否重名
declare -A duplicate_images
declare -A temp_map
while IFS= read -r line || [ -n "$line" ]; do
# 忽略空行与注释
[[ -z "$line" ]] && continue
if echo "$line" | grep -q '^\s*#'; then
continue
fi
# 获取镜像的完整名称，例如kasmweb/nginx:1.25.3（命名空间/镜像名:版本号）
image=$(echo "$line" | awk '{print $NF}')
# 将@sha256:等字符删除
image="${image%%@*}"
echo "image $image"
# 获取镜像名:版本号 例如nginx:1.25.3
image_name_tag=$(echo "$image" | awk -F'/' '{print $NF}')
echo "image_name_tag $image_name_tag"
# 获取命名空间 例如kasmweb, 这里有种特殊情况 docker.io/nginx，把docker.io当成命名空间，也OK
name_space=$(echo "$image" | awk -F'/' '{if (NF==3) print $2; else if (NF==2) print $1; else print ""}')
echo "name_space: $name_space"
# 这里不要是空值影响判断
name_space="${name_space}_"
# 获取镜像名例如nginx
image_name=$(echo "$image_name_tag" | awk -F':' '{print $1}')
echo "image_name: $image_name"
# 如果镜像存在于数组中，则添加temp_map
if [[ -n "${temp_map[$image_name]}" ]]; then
# 如果temp_map已经存在镜像名，判断是不是同一命名空间
if [[ "${temp_map[$image_name]}" != $name_space ]]; then
echo "duplicate image name: $image_name"
duplicate_images[$image_name]="true"
fi
else
# 存镜像的命名空间
temp_map[$image_name]=$name_space
fi
done < images.txt
while IFS= read -r line || [ -n "$line" ]; do
# 忽略空行与注释
[[ -z "$line" ]] && continue
if echo "$line" | grep -q '^\s*#'; then
continue
fi
echo "docker pull $line"
docker pull $line
platform=$(echo "$line" | awk -F'--platform[ =]' '{if (NF>1) print $2}' | awk '{print $1}')
echo "platform is $platform"
# 如果存在架构信息 将架构信息拼到镜像名称前面
if [ -z "$platform" ]; then
platform_prefix=""
else
platform_prefix="${platform//\//_}_"
fi
echo "platform_prefix is $platform_prefix"
# 获取镜像的完整名称，例如kasmweb/nginx:1.25.3（命名空间/镜像名:版本号）
image=$(echo "$line" | awk '{print $NF}')
# 获取 镜像名:版本号 例如nginx:1.25.3
image_name_tag=$(echo "$image" | awk -F'/' '{print $NF}')
# 获取命名空间 例如kasmweb 这里有种特殊情况 docker.io/nginx，把docker.io当成命名空间，也OK
name_space=$(echo "$image" | awk -F'/' '{if (NF==3) print $2; else if (NF==2) print $1; else print ""}')
# 获取镜像名例 例如nginx
image_name=$(echo "$image_name_tag" | awk -F':' '{print $1}')
name_space_prefix=""
# 如果镜像名重名
if [[ -n "${duplicate_images[$image_name]}" ]]; then
#如果命名空间非空，将命名空间加到前缀
if [[ -n "${name_space}" ]]; then
name_space_prefix="${name_space}_"
fi
fi
# 将@sha256:等字符删除
image_name_tag="${image_name_tag%%@*}"
new_image="$ALIYUN_REGISTRY/$ALIYUN_NAME_SPACE/$platform_prefix$name_space_prefix$image_name_tag"
echo "docker tag $image $new_image"
docker tag $image $new_image
echo "docker push $new_image"
docker push $new_image
echo "开始清理磁盘空间"
echo "=============================================================================="
df -hT
echo "=============================================================================="
docker rmi $image
docker rmi $new_image
echo "磁盘空间清理完毕"
echo "=============================================================================="
df -hT
echo "=============================================================================="
done < images.txt