Files
linuxkit/scripts/kernels/mainline.sh
Rolf Neugebauer 4defc9f134 kernels: Clean after creating an image
Remove the image and the intermediate images. Otherwise, especially
for the initial runs, the disk fills up quickly.

Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
2017-04-30 11:18:53 +01:00

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#! /bin/sh
REPO="linuxkit/kernel-mainline"
BASE_URL=http://kernel.ubuntu.com/~kernel-ppa/mainline
TAGS=$(curl --silent -f -lSL https://registry.hub.docker.com/v1/repositories/${REPO}/tags)
build_image() {
VERSION=$1
KDIR=$2
ARCH=amd64
LINKS=$(curl -s ${BASE_URL}/${KDIR}/ | \
sed -n 's/.*href="\([^"]*\).*/\1/p')
IMAGE=$(echo $LINKS | \
grep -o "linux-image[^ ]\+-generic[^ ]\+${ARCH}.deb" | head -1)
[ -z "${IMAGE}" ] && return 1
HDR_GEN=$(echo $LINKS | grep -o "linux-headers[^ ]\+_all.deb" | head -1)
[ -z "${HDR_GEN}" ] && return 1
HDR_ARCH=$(echo $LINKS | \
grep -o "linux-headers[^ ]\+-generic[^ ]\+${ARCH}.deb" | head -1)
[ -z "${HDR_ARCH}" ] && return 1
DEB_URL=${BASE_URL}/${KDIR}/${IMAGE}
HDR_GEN_URL=${BASE_URL}/${KDIR}/${HDR_GEN}
HDR_ARCH_URL=${BASE_URL}/${KDIR}/${HDR_ARCH}
echo "Trying to fetch ${VERSION} from ${DEB_URL}"
docker build -t ${REPO}:${VERSION} -f Dockerfile.deb --no-cache \
--build-arg DEB_URLS="${DEB_URL} ${HDR_GEN_URL} ${HDR_ARCH_URL}" .
}
LINKS=$(curl -s ${BASE_URL}/ | sed -n 's/.*href="\([^"]*\).*/\1/p')
# Extract all kernel versions (drop RCs, ckt(?) and other links)
VERSIONS=$(echo $LINKS | grep -o "v[0-9]\+\.[0-9]\+\.[0-9]\+[^ ]*" | \
grep -ve '-rc' | grep -ve '-ckt' | uniq)
# Extract 3.16.x and 4.x.x
THREES=$(echo $VERSIONS | grep -o "v3\.16\.[0-9]\+[^ ]*")
FOURS=$(echo $VERSIONS | grep -o "v4\.[0-9]\+\.[0-9]\+[^ ]*")
KDIRS="${THREES} ${FOURS}"
for KDIR in $KDIRS; do
# Strip the Ubuntu release name for the tag and also the 'v' like with
# the other kernel packages
VERSION=$(echo $KDIR | grep -o "[0-9]\+\.[0-9]\+\.[0-9]\+")
if echo $TAGS | grep -q "\"${VERSION}\""; then
echo "${REPO}:${VERSION} exists"
continue
fi
build_image ${VERSION} ${KDIR} && \
DOCKER_CONTENT_TRUST=1 docker push ${REPO}:${VERSION}
docker rmi ${REPO}:${VERSION}
docker system prune -f
done