我正在使用 Gitlab CI 练习以了解如何构建应用程序,然后在 Docker 映像中使用它。目前,我的 repo 只包含 helloworld.txt、dockerfile 和 gitlab-ci.yml。
问题:在构建阶段,我使用 shell 执行程序来“压缩 helloworld.zip helloworld.txt”。然后,我“docker build -t myproject/myapp。”我希望复制 helloworld.zip /”但似乎我创建的 zip 文件在 docker 构建上下文期间不可用。我没有将 helloworld.zip 文件保存到正确的位置吗?或者是其他东西?我的长期意图是编写一个 python 应用程序,并在构建阶段编译成一个可执行文件并复制到一个 docker 容器中。
#cat helloworld.txt
hello world
#cat dockerfile
FROM centos:7
COPY helloworld.zip /
CMD ["/bin/bash"]
#cat gitlab-ci.yml
stages:
- build
- test
- release
- deploy
variables:
IMAGE_TEST_NAME: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG
IMAGE_RELEASE_NAME: $CI_REGISTRY_IMAGE:latest
before_script:
- echo "$CI_REGISTRY_PASSWORD" | docker login -u "$CI_REGISTRY_USER" "$CI_REGISTRY" --password-stdin
build:
stage: build
script:
- echo "compile the program"
- zip zipfile.zip helloworld.txt
- docker build --pull -t $IMAGE_TEST_NAME .
- docker push $IMAGE_TEST_NAME
test:
stage: test
script:
- docker pull $IMAGE_TEST_NAME
- docker run $IMAGE_TEST_NAME yum install unzip -y && unzip /helloworld.zip && cat /helloworld.txt
release:
stage: release
script:
- docker pull $IMAGE_TEST_NAME
- docker tag $IMAGE_TEST_NAME $IMAGE_RELEASE_NAME
- docker push $IMAGE_RELEASE_NAME
only:
- master
deploy:
stage: deploy
script:
- ./deploy.sh
only:
- master
when: manual
我希望在同一阶段(在本例中为构建),我可以运行诸如 zip 之类的程序,然后在 docker 构建过程中将该 zip 文件复制到新构建的 docker 映像中的给定目录中。
编辑
在得知我不能这样做之后,我创建了两个不同的阶段:build_app 和 build_container。还知道在后续阶段默认使用工件,我没有将工件添加到第一阶段或将依赖项添加到下一阶段。这是下面的 gitlab-ci.yml 并且仍然产生相同的错误。
stages:
- build_app
- build_container
- test
- release
- deploy
# you can delete this line if you're not using Docker
#image: centos:latest
variables:
IMAGE_TEST_NAME: $CI_REGISTRY_IMAGE:$CI_COMMIT_REF_SLUG
IMAGE_RELEASE_NAME: $CI_REGISTRY_IMAGE:latest
before_script:
- echo "$CI_REGISTRY_PASSWORD" | docker login -u "$CI_REGISTRY_USER" "$CI_REGISTRY" --password-stdin
build_app:
stage: build_app
script:
- echo "compile the program"
- zip zipfile.zip helloworld.txt
build_container:
stage: build_container
script:
- docker build --pull -t $IMAGE_TEST_NAME .
- docker push $IMAGE_TEST_NAME
test:
stage: test
script:
- docker pull $IMAGE_TEST_NAME
- docker run $IMAGE_TEST_NAME yum install unzip -y && unzip /helloworld.zip && cat /helloworld.txt
release:
stage: release
script:
- docker pull $IMAGE_TEST_NAME
- docker tag $IMAGE_TEST_NAME $IMAGE_RELEASE_NAME
- docker push $IMAGE_RELEASE_NAME
only:
- master
deploy:
stage: deploy
script:
- ./deploy.sh
only:
- master
when: manual
作业状态:构建应用程序:通过构建容器:失败
Running with gitlab-runner 11.6.1 (8d829975)
on gitrunner-shell trtHcQTS
Using Shell executor...
Running on gitrunner.example.com...
Fetching changes...
Removing zipfile.zip
HEAD is now at e0a0a95 Update .gitlab-ci.yml
Checking out e0a0a952 as newFeature...
Skipping Git submodules setup
$ echo "$CI_REGISTRY_PASSWORD" | docker login -u "$CI_REGISTRY_USER" "$CI_REGISTRY" --password-stdin
WARNING! Your password will be stored unencrypted in /home/gitlab-runner/.docker/config.json.
Configure a credential helper to remove this warning. See
https://docs.docker.com/engine/reference/commandline/login/#credentials-store
Login Succeeded
$ docker build --pull -t $IMAGE_TEST_NAME .
Sending build context to Docker daemon 112.1kB
Step 1/3 : FROM centos:7
7: Pulling from library/centos
Digest: sha256:184e5f35598e333bfa7de10d8fb1cebb5ee4df5bc0f970bf2b1e7c7345136426
Status: Image is up to date for centos:7
---> 1e1148e4cc2c
Step 2/3 : COPY helloworld.zip /
COPY failed: stat /var/lib/docker/tmp/docker-builder312764301/helloworld.zip: no such file or directory
ERROR: Job failed: exit status 1