如何解决buildx 无法构建多平台 docker 映像,因为它尝试复制 xattrs扩展文件属性并且无法执行此操作
我使用 buildx 在 gitlab-ci 中构建多平台 docker 镜像。但是在构建 docker 镜像时 ci 失败了,因为它试图复制 xattrs 并且没有这样做:
> [linux/arm/v7 2/4] RUN set -xe && apk add --no-cache ca-certificates ffmpeg openssl aria2 youtube-dl:
------
Dockerfile:8
--------------------
7 |
8 | >>> RUN set -xe \
9 | >>> && apk add --no-cache ca-certificates \
10 | >>> ffmpeg \
11 | >>> openssl \
12 | >>> aria2 \
13 | >>> youtube-dl
14 |
--------------------
error: Failed to solve: rpc error: code = UnkNown desc = executor Failed running [/dev/.buildkit_qemu_emulator /bin/sh -c set -xe && apk add --no-cache ca-certificates ffmpeg openssl aria2 youtube-dl]: Failed to copy xattrs: Failed to set xattr "security.selinux" on /tmp/buildkit-qemu-emulator371955051/dev/.buildkit_qemu_emulator: operation not supported
https://gitlab.com/Lukas1818/docker-youtube-dl-cron/-/jobs/1176558386#L181
我正在使用以下 ci:
variables:
DOCKER_DRIVER: overlay2
DOCKER_HOST: tcp://docker:2375/
docker-build:
# Use the docker image with buildx for multiplatform build.
image: lukas1818/docker-with-buildx:latest
stage: build
services:
- docker:dind
before_script:
- docker login -u "$CI_REGISTRY_USER" -p "$CI_REGISTRY_PASSWORD" $CI_REGISTRY
# Default branch leaves tag empty (= latest tag)
# All other branches are tagged with the escaped branch name (commit ref slug)
script:
- |
if [[ "$CI_COMMIT_BRANCH" == "$CI_DEFAULT_BRANCH" ]]; then
tag=""
echo "Running on default branch '$CI_DEFAULT_BRANCH': tag = 'latest'"
else
tag=":$CI_COMMIT_REF_SLUG"
echo "Running on branch '$CI_COMMIT_BRANCH': tag = $tag"
fi
- docker buildx create --use
- docker buildx build --push --platform linux/arm/v7,linux/arm64/v8,linux/amd64 --tag "$CI_REGISTRY_IMAGE${tag}" .
# Run this job in a branch where a Dockerfile exists
rules:
- if: $CI_COMMIT_BRANCH
exists:
- Dockerfile
#
# Dockerfile for youtube-dl
#
FROM alpine
MAINTAINER kev <noreply@easypi.pro>
RUN set -xe \
&& apk add --no-cache ca-certificates \
ffmpeg \
openssl \
aria2 \
youtube-dl
# Try to run it so we kNow it works
RUN youtube-dl --version
workdir /data
ENTRYPOINT ["youtube-dl"]
CMD ["--help"]
在我的本地机器上,使用 sudo docker buildx build --platform linux/arm/v7,linux/amd64 .
构建没有任何问题。
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