48 lines
1.7 KiB
Bash
Executable File
48 lines
1.7 KiB
Bash
Executable File
#!/bin/bash
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# define variables.
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IMAGE_VARIANT=fpm-alpine
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IMAGE_VERSION=20
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UPSTREAM_IMAGE=nextcloud
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UPSTREAM_IMAGE_TAG=${IMAGE_VERSION}-${IMAGE_VARIANT}
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IMAGE=bkraul/nextcloud
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# set username and password
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# requires vars DOCKER_USER and DOCKER_PASS to be defined before calling.
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# useful functions.
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function docker_tag_exists() {
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TOKEN=$(curl -s -H "Content-Type: application/json" -X POST -d '{"username": "'${DOCKER_USER}'", "password": "'${DOCKER_PASS}'"}' https://hub.docker.com/v2/users/login/ | jq -r .token)
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curl --silent -f --head -lL https://hub.docker.com/v2/repositories/$1/tags/$2/ > /dev/null
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}
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# pull the parent image from docker hub.
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docker pull ${UPSTREAM_IMAGE}:${UPSTREAM_IMAGE_TAG}
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UPSTREAM_ID=$(docker image inspect --format='{{index .Id}}' ${UPSTREAM_IMAGE}:${UPSTREAM_IMAGE_TAG})
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UPSTREAM_ID=${UPSTREAM_ID:7}
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# get the version number.
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NEXTCLOUD_VERSION=$(docker inspect ${UPSTREAM_IMAGE}:${UPSTREAM_IMAGE_TAG} | jq -r '.[].Config.Env[] | select(match("^NEXTCLOUD_VERSION"))')
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NEXTCLOUD_VERSION=${NEXTCLOUD_VERSION:18}
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IMAGE_TAG=${NEXTCLOUD_VERSION}-${IMAGE_VARIANT}
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if docker_tag_exists ${IMAGE} ${IMAGE_TAG}; then
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# nothing to do, the image already exists.
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echo Image ${IMAGE}:${IMAGE_TAG} already exists.
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else
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exit 0
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# image doesn't exist we need build and push
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echo Image ${IMAGE}:${IMAGE_TAG} does not exist.
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echo "Building image(s)..."
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docker build $1 \
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-t ${IMAGE}:${UPSTREAM_IMAGE_TAG} \
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-t ${IMAGE}:${IMAGE_TAG}
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if [ $? == 0 ]; then
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echo "Pushing image(s)..."
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docker push ${IMAGE}:${IMAGE_TAG}
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docker push ${IMAGE}:${UPSTREAM_IMAGE_TAG}
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else
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echo "The build operation failed."
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echo "Please debug and try again."
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fi
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fi |