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docker如何获取hub.docker.com上的镜像标签
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docker如何获取hub.docker.com上的镜像标签
众所周知，查询docker镜像是
docker search centos
那么如何获取某个具体镜像的所有tag呢？
首先新建dockertags.sh文件，内容如下：
#!/bin/bash
function usage() {
cat << HELP
dockertags -- list all tags for a Docker image on a remote registry.
EXAMPLE:
- list all tags for ubuntu:
dockertags ubuntu
- list all php tags containing apache:
dockertags php apache
HELP
}
if [ $# -lt 1 ]; then
usage
exit
fi
image="$1"
tags=`wget -q https://registry.hub.docker.com/v1/repositories/${image}/tags -O - | sed -e 's/[][]//g' -e 's/"//g' -e 's/ //g' | tr '}' '\n' | awk -F: '{print $3}'`
if [ -n "$2" ]
then
tags=` echo "${tags}" | grep "$2" `
fi
echo "${tags}"
将dockertags.sh增加可执行权限，并放入/usr/bin，使用方法：
dockertags centos
列出centos标签中，包含7的所有标签：
dockertags centos 7
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