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56 lines
1.6 KiB
Bash
Executable File
56 lines
1.6 KiB
Bash
Executable File
#!/bin/bash
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set -e
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IMAGE_NAME=$1
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DOCKERFILE_PATH=$2
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if [ "${IMAGE_NAME}" = "" ]; then
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echo "usage: $0 image_name [dockerfile]"
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exit 1
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fi
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if [ "${DOCKERFILE_PATH}" = "" ]; then
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DOCKERFILE_PATH="${IMAGE_NAME}"
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fi
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if [ "${DOCKER_REGISTRY}" = "" ]; then
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echo "DOCKER_REGISTRY environment variable is unset."
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echo "Not running inside GitHub Actions or misconfigured?"
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exit 1
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fi
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DOCKER_CONTAINER="${GITHUB_REPOSITORY}/${IMAGE_NAME}"
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DOCKER_REGISTRY_CONTAINER="${DOCKER_REGISTRY}/${DOCKER_CONTAINER}"
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echo "dockerfile=${DOCKERFILE_PATH}" >> $GITHUB_ENV
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echo "docker-container=${DOCKER_CONTAINER}" >> $GITHUB_ENV
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echo "docker-registry-container=${DOCKER_REGISTRY_CONTAINER}" >> $GITHUB_ENV
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# Identify the last git commit that touched the Dockerfiles
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# Use this as a hash to identify the resulting docker containers
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DOCKER_SHA=$(git log -1 --pretty=format:"%h" -- "${DOCKERFILE_PATH}")
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echo "docker-sha=${DOCKER_SHA}" >> $GITHUB_ENV
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DOCKER_REGISTRY_CONTAINER_SHA="${DOCKER_REGISTRY_CONTAINER}:${DOCKER_SHA}"
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echo "docker-registry-container-sha=${DOCKER_REGISTRY_CONTAINER_SHA}" >> $GITHUB_ENV
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echo "docker-registry-container-latest=${DOCKER_REGISTRY_CONTAINER}:latest" >> $GITHUB_ENV
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echo "::: logging in to ${DOCKER_REGISTRY} as ${GITHUB_ACTOR}"
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exists="true"
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docker login https://${DOCKER_REGISTRY} -u ${GITHUB_ACTOR} -p ${GITHUB_TOKEN} || exists="false"
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echo "::: pulling ${DOCKER_REGISTRY_CONTAINER_SHA}"
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if [ "${exists}" != "false" ]; then
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docker pull ${DOCKER_REGISTRY_CONTAINER_SHA} || exists="false"
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fi
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if [ "${exists}" = "true" ]; then
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echo "docker-container-exists=true" >> $GITHUB_ENV
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else
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echo "docker-container-exists=false" >> $GITHUB_ENV
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fi
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