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kernels: Don't pull to check if image exists on hub

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Doing a "docker pull" to check if an image exist on hub
takes a long time for the number of images, in particular
in the linuxkit/kernel-mainline repo.

Instead, get a list of tags on Hub and check that way. This
does not check if the image was signed, but should be good
enough.

Signed-off-by: Rolf Neugebauer <rolf.neugebauer@docker.com>
This commit is contained in:
Rolf Neugebauer 2017-04-29 11:24:01 +01:00
parent facdf93bac
commit 47ed84ee68
3 changed files with 18 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
scripts/kernels/debian.sh
View File

@ -3,6 +3,8 @@
REPO="linuxkit/kernel-debian"
BASE_URL=http://mirrors.kernel.org/debian/pool/main/l/linux/
TAGS=$(curl --silent -f -lSL https://registry.hub.docker.com/v1/repositories/${REPO}/tags)
ARCH=amd64
LINKS=$(curl -s ${BASE_URL}/ | sed -n 's/.*href="\([^"]*\).*/\1/p')
# Just get names for 4.x kernels
@ -13,8 +15,10 @@ for KERN_DEB in $KERNELS; do
VERSION=$(echo $KERN_DEB | \
grep -o "[0-9]\+\.[0-9]\+\.[0-9]\+-[0-9]\+" | head -1)
echo "$VERSION -> $KERN_DEB"
DOCKER_CONTENT_TRUST=1 docker pull ${REPO}:${VERSION} && continue
if echo $TAGS | grep -q "\"${VERSION}\""; then
echo "${REPO}:${VERSION} exists"
continue
fi
URLS="${BASE_URL}/${KERN_DEB}"

7
scripts/kernels/mainline.sh
View File

@ -3,6 +3,8 @@
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
@ -43,7 +45,10 @@ 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]\+")
DOCKER_CONTENT_TRUST=1 docker pull ${REPO}:${VERSION} && continue
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}
done

9
scripts/kernels/ubuntu.sh
View File

@ -3,6 +3,8 @@
REPO="linuxkit/kernel-ubuntu"
BASE_URL=http://mirrors.kernel.org/ubuntu/pool/main/l/linux/
TAGS=$(curl --silent -f -lSL https://registry.hub.docker.com/v1/repositories/${REPO}/tags)
ARCH=amd64
LINKS=$(curl -s ${BASE_URL}/ | sed -n 's/.*href="\([^"]*\).*/\1/p')
# Just get names for 4.x kernels
@ -13,8 +15,10 @@ for KERN_DEB in $KERNELS; do
VERSION=$(echo $KERN_DEB | \
grep -o "[0-9]\+\.[0-9]\+\.[0-9]\+-[0-9]\+" | head -1)
echo "$VERSION -> $KERN_DEB"
DOCKER_CONTENT_TRUST=1 docker pull ${REPO}:${VERSION} && continue
if echo $TAGS | grep -q "\"${VERSION}\""; then
echo "${REPO}:${VERSION} exists"
continue
fi
EXTRA_DEB=$(echo $LINKS | \
grep -o "linux-image-extra-${VERSION}-generic_[^ ]\+${ARCH}\.deb")
@ -27,7 +31,6 @@ for KERN_DEB in $KERNELS; do
URLS="${BASE_URL}/${KERN_DEB} ${BASE_URL}/${EXTRA_DEB}"
# Doesn't exist build and push
docker build -t ${REPO}:${VERSION} -f Dockerfile.deb --no-cache \
--build-arg DEB_URLS="${URLS}" . &&
DOCKER_CONTENT_TRUST=1 docker push ${REPO}:${VERSION}