镜像拉取并且重命名推送到第三方镜像仓库

#!/bin/bash
 
set -e

dst_user=tanjunchen
dst_repo=docker.io

pull_tag_push_image(){
    while read image; do
        if [ -z "${image}" ]
        then
        continue
        fi
        echo "docker pull ${image}"
    
        docker pull ${image}
        echo "docker pull ${image} success!!!"
        
        array=(`echo ${image} | tr ':' ' '` )
        src_image=${array[0]}
        src_version=${array[1]}
        if [ ! ${src_image} ]; then
            echo "src_image is null, stop tag and push"
            continue
        fi
        if [ ! ${src_version} ]; then
            echo "src_version is null, set default value latest"
            src_version=latest
        fi
        echo "docker src images info ${src_image} ${src_version}"
        
        image_array=(`echo ${src_image} | tr '/' ' '` )
        image_name=${image_array[-1]}
        if [ ! ${image_name} ]; then
            echo "image_name is null, stop tag and push"
            continue
        fi
        dst_image=${dst_repo}/${dst_user}/${image_name}:${src_version}

        echo "docker destination images info ${dst_image}"
        
        docker tag ${src_image}:${src_version} ${dst_image}

        docker push ${dst_image}
    
    done < images
}

pull_tag_push_image

其中 done < images 中的 images 内容是文本，示例如下所示：

gcr.io/spiffe-io/spire-agent:1.2.0

ghcr.io/spiffe/spiffe-csi-driver:0.1.0

gcr.io/spiffe-io/wait-for-it

k8s.gcr.io/sig-storage/csi-node-driver-registrar:v2.4.0

gcr.io/spiffe-io/spire-server:1.2.0

gcr.io/spiffe-io/k8s-workload-registrar:1.2.0