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31 lines
1001 B
31 lines
1001 B
#! /bin/sh
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#镜像名称
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image_name=$1
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#标签
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image_tag=$2
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#镜像仓库地址
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registry_url=$3
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#备份tag
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image_bak_tag=$4
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#带仓库地址镜像名称
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image_full_name=$registry_url/$image_name
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colunm3='$3'
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# 获取当前正在运行的镜像
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echo "docker images | grep -w $image_full_name | awk '{print $colunm3}'"
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image_check_command=`docker images | grep -w $image_full_name | awk '{print $3}'`
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if [ "$image_check_command" != "" ] ; then
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# 将运行的镜像，重新修改tag命名为备份tag
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echo "docker tag ${image_full_name}:${image_tag} ${image_full_name}:${image_bak_tag}"
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docker tag ${image_full_name}:${image_tag} ${image_full_name}:${image_bak_tag}
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# 将备份的镜像发送到镜像仓库，备份起来
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echo "docker push ${image_full_name}:${image_bak_tag}"
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docker push ${image_full_name}:${image_bak_tag}
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#将本地刚重命名的镜像删除
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echo "docker rmi ${registry_url}/${image_name}:$image_bak_tag"
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docker rmi ${registry_url}/${image_name}:$image_bak_tag
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fi
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