如何保存所有泊坞窗图像并复制到另一台机器?

我有以下系统中的图像列表,想要将所有这些图像复制到远程机器.

REPOSITORY          TAG                 IMAGE ID            CREATED             VIRTUAL SIZE
u14_py269           latest              6a1ec0b508b3        4 days ago          885.9 MB
u12_py273           latest              c2a804894851        4 days ago          686 MB
u12_core            latest              0d61eba80df2        4 days ago          629.1 MB
c6_py266            latest              cb1a94742d59        4 days ago          1.32 GB
c6_core             latest              77c2ed19d87f        4 days ago          1.278 GB
c7_py275            latest              bb1d3de68452        4 days ago          1.117 GB
c7_core             latest              ca14a76e9cca        4 days ago          1.081 GB
u14_py35            latest              d110c7e4a1f5        5 days ago          914.5 MB
u14_py34            latest              085a37cb8614        5 days ago          830.7 MB
u14_py276           latest              8927c6167930        5 days ago          834.1 MB
u14_core            latest              93ead5abc25b        5 days ago          776.9 MB
centos              centos6             36877b5acebb        5 days ago          228.9 MB
ubuntu              latest              36248ae4a9ac        5 days ago          188 MB
ubuntu              12.04               94a7cb19a65b        5 days ago          137.8 MB
edgester/gerrit     latest              ce4e3238052a        6 days ago          735.2 MB
u14_as374_py276     latest              fa5fb7189d70        11 days ago         1.497 GB
c721_as373_py275    latest              03ccf6961d0c        11 days ago         844.3 MB
c721_as373_py35     latest              b5fece3dd45b        11 days ago         1.127 GB
c171_con_core       latest              8af0d24a38a0        2 weeks ago         377.2 MB
u14_as374_php55     latest              29df638e363a        3 weeks ago         1.073 GB
j_u14_as374_php55   latest              29df638e363a        3 weeks ago         1.073 GB
centos              centos7             c8a648134623        8 weeks ago         196.6 MB
centos              latest              c8a648134623        8 weeks ago         196.6 MB
j_u14_as374_py276   latest              28f379d60882        10 weeks ago        871.5 MB
ubuntu              14.04               89d5d8e8bafb        10 weeks ago        187.9 MB

目前我正在使用save and load docker images中建议的方法,我相信必须有更好的方法来处理所有图像.

最佳答案
如果要一次导出所有图像,请创建一个大的tar文件:

docker save $(docker images -q) -o /path/to/save/mydockersimages.tar

如果要将多个图像保存在一个.tar文件中:

IDS=$(docker images | awk '{if ($1 ~ /^(debian|centos)/) print $3}')
docker save $IDS -o /path/to/save/somedockersimages.tar

最后,如果要导出多个图像,每个图像只有一个.tar文件(不是磁盘效率:公共图层保存在每个.tar文件中):

docker images | awk '{if ($1 ~ /^(openshift|centos)/) print $1 " " $2 " " $3 }' | tr -c "a-z A-Z0-9_.\n-" "%" | while read REPOSITORY TAG IMAGE_ID
do
  echo "== Saving $REPOSITORY $TAG $IMAGE_ID =="
  docker  save   -o /path/to/save/$REPOSITORY-$TAG-$IMAGE_ID.tar $IMAGE_ID
done

您可能还想保存图像列表,以便可以标记恢复的图像:

docker images | sed '1d' | awk '{print $1 " " $2 " " $3}' > mydockersimages.list

在远程计算机上,您可以加载(导入)图像:

docker load -i /path/to/save/mydockersimages.tar

并标记导入的图像:

while read REPOSITORY TAG IMAGE_ID
do
        echo "== Tagging $REPOSITORY $TAG $IMAGE_ID =="
        docker tag "$IMAGE_ID" "$REPOSITORY:$TAG"
done < mydockersimages.list

有关保存/加载的更多信息,请阅读:How to copy docker images from one host to another without via repository?

转载注明原文:如何保存所有泊坞窗图像并复制到另一台机器? - 代码日志