70763e20e7
During docker build, host files can be passed to the docker build through
docker context files. But there is no straightforward way to transfer
the files from docker build to host.
This feature provides a tricky way to pass the cache contents from docker
build to host. It tar's the cached content and encodes them as base64 format
and passes it through a log file with a special tag as 'VCSTART and VCENT'.
Slave.mk in the host, it extracts the cache contents from the log and stores them
in the cache folder. Cache contents are encoded as base64 format for
easy passing.
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#### Why I did it
#### How I did it
#### How to verify it
67 lines
2.4 KiB
Bash
Executable File
67 lines
2.4 KiB
Bash
Executable File
#!/bin/bash
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IMAGENAME=$1
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DOCKERFILE=$2
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ARCH=$3
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DOCKERFILE_TARGE=$4
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DISTRO=$5
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[ -z "$BUILD_SLAVE" ] && BUILD_SLAVE=n
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[ -z "$DOCKERFILE_TARGE" ] && DOCKERFILE_TARGE=$DOCKERFILE
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DOCKERFILE_PATH=$(dirname "$DOCKERFILE_TARGE")
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BUILDINFO_PATH="${DOCKERFILE_PATH}/buildinfo"
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BUILDINFO_VERSION_PATH="${BUILDINFO_PATH}/versions"
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DOCKER_PATH=$(dirname $DOCKERFILE)
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[ -d $BUILDINFO_PATH ] && rm -rf $BUILDINFO_PATH
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mkdir -p $BUILDINFO_VERSION_PATH
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# Get the debian distribution from the docker base image
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if [ -z "$DISTRO" ]; then
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DOCKER_BASE_IMAGE=$(grep "^FROM" $DOCKERFILE | head -n 1 | awk '{print $2}')
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DISTRO=$(docker run --rm --entrypoint "" $DOCKER_BASE_IMAGE cat /etc/os-release | grep VERSION_CODENAME | cut -d= -f2)
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[ -z "$DISTRO" ] && DISTRO=jessie
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fi
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if [[ "$IMAGENAME" == docker-base-* ]] || [[ "$IMAGENAME" == docker-ptf ]]; then
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scripts/build_mirror_config.sh ${DOCKERFILE_PATH} $ARCH $DISTRO
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fi
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# add script for reproducible build. using sha256 instead of tag for docker base image.
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scripts/docker_version_control.sh $@
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DOCKERFILE_PRE_SCRIPT='# Auto-Generated for buildinfo
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COPY ["buildinfo", "/usr/local/share/buildinfo"]
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COPY vcache/ /sonic/target/vcache/'${IMAGENAME}'
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RUN dpkg -i /usr/local/share/buildinfo/sonic-build-hooks_1.0_all.deb
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ENV IMAGENAME='${IMAGENAME}'
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RUN pre_run_buildinfo '${IMAGENAME}'
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'
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# Add the auto-generate code if it is not added in the target Dockerfile
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if [ ! -f $DOCKERFILE_TARGE ] || ! grep -q "Auto-Generated for buildinfo" $DOCKERFILE_TARGE; then
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# Insert the docker build script before the RUN command
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LINE_NUMBER=$(grep -Fn -m 1 'RUN' $DOCKERFILE | cut -d: -f1)
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TEMP_FILE=$(mktemp)
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awk -v text="${DOCKERFILE_PRE_SCRIPT}" -v linenumber=$LINE_NUMBER 'NR==linenumber{print text}1' $DOCKERFILE > $TEMP_FILE
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# Append the docker build script at the end of the docker file
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echo -e "\nRUN post_run_buildinfo ${IMAGENAME} " >> $TEMP_FILE
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cat $TEMP_FILE > $DOCKERFILE_TARGE
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rm -f $TEMP_FILE
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fi
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# Copy the build info config
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cp -rf src/sonic-build-hooks/buildinfo/* $BUILDINFO_PATH
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# Generate the version lock files
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scripts/versions_manager.py generate -t "$BUILDINFO_VERSION_PATH" -n "$IMAGENAME" -d "$DISTRO" -a "$ARCH"
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touch $BUILDINFO_VERSION_PATH/versions-deb
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# Create the cache directories
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LOCAL_CACHE_DIR=target/vcache/${IMAGENAME}
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mkdir -p ${LOCAL_CACHE_DIR} ${DOCKER_PATH}/vcache/
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chmod -f 777 ${LOCAL_CACHE_DIR} ${DOCKER_PATH}/vcache/
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