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社区首页 >问答首页 >全局ARG变量在多阶段构建后被更改。

问全局ARG变量在多阶段构建后被更改。
EN

Stack Overflow用户
提问于 2019-07-04 02:20:41
回答 1查看 275关注 0票数 0

在FROM、RUN等指令中使用全局ARG变量

例如，我希望在FROM nvidia/cuda:${CUDA_VERSION}-devel-ubuntu${UBUNTU_VERSION}中使用FROM nvidia/cuda:${CUDA_VERSION}-devel-ubuntu${UBUNTU_VERSION} ARG变量，在第二个构建阶段使用libcudnn7=${CUDNN_VERSION}-1+cuda${CUDA_VERSION}

但是全局ARG变量${CUDA_VERSION}在通过FROM nvidia/cuda:${CUDA_VERSION}-devel-ubuntu${UBUNTU_VERSION} 9.0后被更改为9.0.176。

在Ubuntu 18.04，Docker-CE 18.09.04

我被试过很多事

  1. 在构建阶段更改ARG可变线路位置
  2. 从原始${CUDA_VERSION}变量复制其他ARG变量
  3. 在第一个构建阶段为环境变量制作.profile。在第二阶段，从第一阶段复制.profile文件并使用source命令应用它。
  4. 使用ENV变量(但ENV变量在进入其他构建阶段时消失)

示例dockerfile和生成dockerfile的结果如下

Dockerfile

代码语言：javascript
复制
ARG handler_file=handler.py
ARG handler_name=Handler
ARG HANDLER_DIR=/handler
ARG HANDLER_FILE=${HANDLER_DIR}/${handler_file}
ARG HANDLER_NAME=${handler_name}

# Global arguments for Nvidia-docker
ARG CUDA_VERSION=9.0
ARG CUDNN_VERSION=7.4.1.5
ARG UBUNTU_VERSION=16.04

# == MutiStage Build ==
# 1-Stage
FROM python:3.7-alpine

ARG HANDLER_DIR
ARG HANDLER_FILE
ARG HANDLER_NAME
ARG handler_file
ARG handler_name

ARG CUDA_VERSION
RUN echo "${CUDA_VERSION}"

RUN mkdir -p ${HANDLER_DIR}
WORKDIR ${HANDLER_DIR}
COPY . .
RUN touch ${HANDLER_DIR}/__init__.py

# 2-Stage
FROM nvidia/cuda:${CUDA_VERSION}-devel-ubuntu${UBUNTU_VERSION}

# For Nvidia-Docker
ARG CUDA_VERSION
ARG CUDNN_VERSION

RUN echo "${CUDA_VERSION}"

# Copy directory from 1-stage
ARG HANDLER_DIR
RUN mkdir -p ${HANDLER_DIR}
WORKDIR ${HANDLER_DIR}
COPY --from=0 ${HANDLER_DIR} .

RUN echo "/usr/local/cuda-${CUDA_VERSION}/extras/CUPTI/lib64" > /etc/ld.so.conf.d/cupti.conf

RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    wget \
    tar \
    libgomp1 \
    libcudnn7=${CUDNN_VERSION}-1+cuda${CUDA_VERSION} \
    python \
        python-dev \
        python-numpy \
        python-pip \
        python-setuptools \
        python3 \
        python3-dev \
        python3-numpy \
    python3-pip \
        python3-setuptools \
        python3-tk \
        libgtk2.0-dev \
    ${ADDITIONAL_PACKAGE} \
    && rm -rf /var/lib/apt/lists/*

ENV LD_LIBRARY_PATH /usr/local/cuda/extras/CUPTI/lib64:$LD_LIBRARY_PATH

RUN pip3 --no-cache-dir install --upgrade \
    pip setuptools

RUN pip3 install --upgrdae pip && \
    pip3 install -r requirements.txt

构建消息

代码语言：javascript
复制
...

Step 9/33 : FROM python:3.7-alpine
 ---> 2caaa0e9feab

...

Step 16/33 : RUN echo "${CUDA_VERSION}"
 ---> Running in d057b0fd57a7
9.0

...

Step 21/33 : FROM nvidia/cuda:${CUDA_VERSION}-devel-ubuntu${UBUNTU_VERSION}
 ---> 2f9810b1b916

...

Step 24/33 : RUN echo "${CUDA_VERSION}"
 ---> Running in dc676c2a2992
9.0.176

...

Step 30/33 : RUN apt-get update && apt-get install -y --no-install-recommends   build-essential     wget    tar     libgomp1    libcudnn7=${CUDNN_VERSION}-1+cuda${CUDA_VERSION}    python         python-dev         python-numpy         python-pip         python-setuptools         python3         python3-dev         python3-numpy   python3-pip         python3-setuptools         python3-tk         libgtk2.0-dev     ${ADDITIONAL_PACKAGE}     && rm -rf /var/lib/apt/lists/*
 ---> Running in 8518fb8d755c

...

E: Version '7.4.1.5-1+cuda9.0.176' for 'libcudnn7' was not found
The command '/bin/sh -c apt-get update && apt-get install -y --no-install-recommends    build-essential     wget    tar     libgomp1    libcudnn7=${CUDNN_VERSION}-1+cuda${CUDA_VERSION}    python         python-dev         python-numpy         python-pip         python-setuptools         python3         python3-dev         python3-numpy   python3-pip         python3-setuptools         python3-tk         libgtk2.0-dev     ${ADDITIONAL_PACKAGE}     && rm -rf /var/lib/apt/lists/*' returned a non-zero code: 100

预期的结果是成功构建docker文件。

但是ARG变量的更改会导致以下错误E: Version '7.4.1.5-1+cuda9.0.176' for 'libcudnn7' was not found

docker
dockerfile
docker-multi-stage-build
EN

回答 1

Stack Overflow用户

发布于 2019-07-04 02:24:29

我解决了我的问题如下

我在https://github.com/docker/for-linux/issues/713上发了个帖子

代码语言：javascript
复制
# Global arguments for Nvidia-docker
ARG CUDA_VERSION=9.0
ARG CUDNN_VERSION=7.4.1.5
ARG UBUNTU_VERSION=16.04
ARG BACKUP=${CUDA_VERSION}

...

RUN echo "/usr/local/cuda-${BACKUP}/extras/CUPTI/lib64" > /etc/ld.so.conf.d/cupti.conf

RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    wget \
    tar \
    libgomp1 \
    libcudnn7=${CUDNN_VERSION}-1+cuda${BACKUP} \
    python \
        python-dev \
        python-numpy \
        python-pip \
        python-setuptools \
        python3 \
        python3-dev \
        python3-numpy \
    python3-pip \
        python3-setuptools \
        python3-tk \
        libgtk2.0-dev \
    ${ADDITIONAL_PACKAGE} \
    && rm -rf /var/lib/apt/lists/*

...

Dockerfile

代码语言：javascript
复制
# Arguments for Nvidia-Docker
# all combination set in CUDA, cuDNN, Ubuntu is not Incompatible please check REFERENCE OF NVIDIA-DOCKER
# REFERENCE OF NVIDIA-DOCKER 
# https://hub.docker.com/r/nvidia/cuda/

ARG handler_file=handler.py
ARG handler_name=Handler
ARG HANDLER_DIR=/handler
ARG HANDLER_FILE=${HANDLER_DIR}/${handler_file}
ARG HANDLER_NAME=${handler_name}

# Global arguments for Nvidia-docker
ARG CUDA_VERSION=9.0
ARG CUDNN_VERSION=7.4.1.5
ARG UBUNTU_VERSION=16.04
ARG BACKUP=${CUDA_VERSION}

# == MutiStage Build ==
# 1-Stage
# Get watcher - if watcher is uploaded on github, remove this line.
FROM python:3.7-alpine

ARG HANDLER_DIR
ARG HANDLER_FILE
ARG HANDLER_NAME
ARG handler_file
ARG handler_name

ARG BACKUP
ARG CUDA_VERSION
RUN echo "${CUDA_VERSION}"
RUN echo "${BACKUP}"

RUN mkdir -p ${HANDLER_DIR}
WORKDIR ${HANDLER_DIR}
COPY . .
RUN touch ${HANDLER_DIR}/__init__.py

# 2-Stage
FROM nvidia/cuda:${CUDA_VERSION}-devel-ubuntu${UBUNTU_VERSION}

ARG BACKUP
# For Nvidia-Docker
ARG CUDA_VERSION
ARG CUDNN_VERSION

RUN echo "${CUDA_VERSION}"
RUN echo "${BACKUP}"

# Copy directory from 0-stage
ARG HANDLER_DIR
RUN mkdir -p ${HANDLER_DIR}
WORKDIR ${HANDLER_DIR}
COPY --from=0 ${HANDLER_DIR} .

RUN echo "/usr/local/cuda-${BACKUP}/extras/CUPTI/lib64" > /etc/ld.so.conf.d/cupti.conf

RUN apt-get update && apt-get install -y --no-install-recommends \
    build-essential \
    wget \
    tar \
    libgomp1 \
    libcudnn7=${CUDNN_VERSION}-1+cuda${BACKUP} \
    python \
        python-dev \
        python-numpy \
        python-pip \
        python-setuptools \
        python3 \
        python3-dev \
        python3-numpy \
    python3-pip \
        python3-setuptools \
        python3-tk \
        libgtk2.0-dev \
    ${ADDITIONAL_PACKAGE} \
    && rm -rf /var/lib/apt/lists/*

ENV LD_LIBRARY_PATH /usr/local/cuda/extras/CUPTI/lib64:$LD_LIBRARY_PATH

RUN pip3 --no-cache-dir install --upgrade \
    pip setuptools

RUN pip3 install --upgrdae pip && \
    pip3 install -r requirements.txt
票数 0
EN
页面原文内容由Stack Overflow提供。腾讯云小微IT领域专用引擎提供翻译支持
原文链接：

https://stackoverflow.com/questions/56879869

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