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python-3.x - 使用 Dockerfile 上的卷的 Google Cloud Build

转载 作者:行者123 更新时间:2023-12-04 14:11:11 26 4
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我正在尝试为我的应用程序构建构建管道,并在使用卷的步骤之间共享特定文件夹。
问题是因为在我的第一步( unit-tests )我必须在 requirements.txt 上安装所有库才能运行我的单元测试。之后,我必须在其他步骤中构建运行我的 Dockerfile 的应用程序。我不想再次重新安装所有要求,所以,我想复制已经安装的要求并将它们粘贴到 docker build 步骤中。我能做到吗?我跟着这个线程并试图复制到我的现实,但我仍然有问题。

Passing files from Google Cloud Container Builder to Docker build task


这是我所做的示例:
我的 cloudbuild.yaml:
- id: unit-tests
name: python:3-alpine
entrypoint: sh
dir: my-dir
args:
- -c
- |
apk add --virtual build_dependencies build-base
apk add --no-cache libstdc++
pip install --no-cache-dir -r requirements.txt
apk del build_dependencies
python -m unittest discover --verbose
cp -Rv /usr/local/lib/python3.8/site-packages/* /requirements
volumes:
- name: 'requirements'
path: /requirements

- id: docker-build
name: gcr.io/cloud-builders/docker
dir: my-dir
args:
- build
- --tag=gcr.io/${PROJECT_ID}/eta:test
- '.'
volumes:
- name: 'requirements'
path: /requirements
waitFor: ['unit-tests']

images:
- 'gcr.io/$PROJECT_ID/eta:test'

timeout: 3600s
这是我的 Dockerfile:
from python:3-alpine

RUN set -eux; \
apk add --virtual build_dependencies build-base; \
apk add --no-cache libstdc++; \
apk del build_dependencies;

COPY /requirements/* /usr/local/lib/python3.8/site-packages/
COPY . /app
RUN ["chmod", "+x", "/app/entry.sh"]
WORKDIR /app
ENTRYPOINT [ "/app/entry.sh" ]

我找不到 /要求我的 dockerfile 中的文件夹,这是错误消息:
Step #1 - "docker-build": Step 3/7 : COPY /requirements/* /usr/local/lib/python3.8/site-packages/
Step #1 - "docker-build": COPY failed: no source files were specified
Finished Step #1 - "docker-build"
ERROR
ERROR: build step 1 "gcr.io/cloud-builders/docker" failed: step exited with non-zero status: 1

我不确定我在做什么是正确的方法。

最佳答案

Cloud Build (VM) 仍然存在 /workspace跨步骤,以便您可以创建例如/workspace/requirements并使用 requirements在后续步骤中。

PROJECT=[[YOUR-PROJECT]]
BILLING=[[YOUR-BILLING]]

gcloud projects create ${PROJECT}

gcloud beta billing projects link ${PROJECT} \
--billing-account=${BILLING}

gcloud services enable cloudbuild.googleapis.com \
--project=${PROJECT}
然后:
steps:

- id: also
name: busybox
entrypoint: sh
dir: x
args:
- -c
- |
mkdir -p /workspace/requirements
echo "Hello Freddie" > /workspace/requirements/freddie.txt

- id: after
name: gcr.io/cloud-builders/docker
args:
- build
- --tag=gcr.io/${PROJECT_ID}/test
- .
images:
- gcr.io/${PROJECT_ID}/test
Dockerfile :
FROM busybox

WORKDIR /test

COPY /requirements/* .

RUN ls -la

ENTRYPOINT ["more","/test/freddie.txt"]
和:
gcloud builds submit . \
--config=./cloudbuild.yaml \
--project=${PROJECT}
产量:
BUILD
Starting Step #0 - "also"
Step #0 - "also": Pulling image: busybox
Step #0 - "also": Using default tag: latest
Step #0 - "also": latest: Pulling from library/busybox
Step #0 - "also": Digest: sha256:2ca5e69e
Step #0 - "also": Status: Downloaded newer image for busybox:latest
Step #0 - "also": docker.io/library/busybox:latest
Finished Step #0 - "also"
Starting Step #1 - "after"
Step #1 - "after": Already have image (with digest): gcr.io/cloud-builders/docker
Step #1 - "after": Sending build context to Docker daemon 7.68kB
Step #1 - "after": Step 1/5 : FROM busybox
Step #1 - "after": ---> 6858809bf669
Step #1 - "after": Step 2/5 : WORKDIR /test
Step #1 - "after": ---> Running in 7e075adce9eb
Step #1 - "after": Removing intermediate container 7e075adce9eb
Step #1 - "after": ---> 78f7b2faec16
Step #1 - "after": Step 3/5 : COPY /requirements/* .
Step #1 - "after": ---> 1ec6a35c1deb
Step #1 - "after": Step 4/5 : RUN ls -la
Step #1 - "after": ---> Running in 943ddad6434c
Step #1 - "after": total 12
Step #1 - "after": .
Step #1 - "after": ..
Step #1 - "after": freddie.txt
Step #1 - "after": Removing intermediate container 943ddad6434c
Step #1 - "after": ---> 634072b8aec4
Step #1 - "after": Step 5/5 : ENTRYPOINT ["more","/test/freddie.txt"]
Step #1 - "after": ---> Running in 13c43b5ca924
Step #1 - "after": Removing intermediate container 13c43b5ca924
Step #1 - "after": ---> f0ebfe1e8e33
Step #1 - "after": Successfully built f0ebfe1e8e33
Step #1 - "after": Successfully tagged gcr.io/.../test:latest
Finished Step #1 - "after"
PUSH
使用 volumes的问题是这些不会在 docker build 的上下文中。因此,如果您更喜欢使用卷,则需要将卷的内容复制到 /workspace 中。 .
然后,当您运行 gcr.io/cloud-builders/docker 时步骤, /workspace以 root 身份挂载,因此您可以访问 /workspace/requirements/requirements :
然后:
steps:
- id: before
name: busybox
entrypoint: sh
dir: x
args:
- -c
- |
echo "Hello Freddie" > /requirements/freddie.txt
volumes:
- name: requirements
path: /requirements

- id: during
name: busybox
entrypoint: sh
dir: x
args:
- -c
- |
more /requirements/freddie.txt
volumes:
- name: requirements
path: /requirements

- id: fix
name: busybox
entrypoint: sh
args:
- -c
- |
ls -la /workspace
ls -la /requirements
mkdir -p /workspace/requirements
cp -r /requirements /workspace/requirements
ls -la /workspace/requirements
volumes:
- name: requirements
path: /requirements

- id: after
name: gcr.io/cloud-builders/docker
args:
- build
- --tag=gcr.io/${PROJECT_ID}/test
- .

images:
- gcr.io/${PROJECT_ID}/test

产量:
BUILD
Starting Step #0 - "before"
Step #0 - "before": Pulling image: busybox
Step #0 - "before": Using default tag: latest
Step #0 - "before": latest: Pulling from library/busybox
Step #0 - "before": Digest: sha256:2ca5e69e
Step #0 - "before": Status: Downloaded newer image for busybox:latest
Step #0 - "before": docker.io/library/busybox:latest
Finished Step #0 - "before"
Starting Step #1 - "during"
Step #1 - "during": Already have image: busybox
Step #1 - "during": Hello Freddie
Finished Step #1 - "during"
Starting Step #2 - "fix"
Step #2 - "fix": Already have image: busybox
Step #2 - "fix": total 24
Step #2 - "fix": .
Step #2 - "fix": ..
Step #2 - "fix": Dockerfile
Step #2 - "fix": cloudbuild.yaml
Step #2 - "fix": requirements
Finished Step #2 - "fix"
Starting Step #3 - "after"
Step #3 - "after": Already have image (with digest): gcr.io/cloud-builders/docker
Step #3 - "after": Sending build context to Docker daemon 8.192kB
Step #3 - "after": Step 1/5 : FROM busybox
Step #3 - "after": ---> 6858809bf669
Step #3 - "after": Step 2/5 : WORKDIR /test
Step #3 - "after": ---> Running in 236aa78f2229
Step #3 - "after": Removing intermediate container 236aa78f2229
Step #3 - "after": ---> cf05164e8175
Step #3 - "after": Step 3/5 : COPY /requirements/* .
Step #3 - "after": ---> f5dee710b4d7
Step #3 - "after": Step 4/5 : RUN ls -la
Step #3 - "after": ---> Running in 8a30309a1536
Step #3 - "after": total 12
Step #3 - "after": .
Step #3 - "after": ..
Step #3 - "after": freddie.txt
Step #3 - "after": Removing intermediate container 8a30309a1536
Step #3 - "after": ---> 20e2e99c3818
Step #3 - "after": Step 5/5 : ENTRYPOINT ["more","/test/freddie.txt"]
Step #3 - "after": ---> Running in cc6a57aaa103
Step #3 - "after": Removing intermediate container cc6a57aaa103
Step #3 - "after": ---> 0a50096e471c
Step #3 - "after": Successfully built 0a50096e471c
Step #3 - "after": Successfully tagged gcr.io/.../test:latest
Finished Step #3 - "after"
PUSH
Pushing gcr.io/.../test
...
DONE

关于python-3.x - 使用 Dockerfile 上的卷的 Google Cloud Build,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/64213744/

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