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Make the base image hash more deterministic

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We've been using tar directly on the base image folder, and this makes
the file ordering unpredictable between filesystems, so we use find and
sort so that the files are always tarred in the same order, producing the same
hash in different filesystems.

We also now set the mtime to the specific Unix timestamp 0, to avoid differences
due to timezones.

Also remove the dest folder before calculating the hash.

Change-Type: patch
Signed-off-by: Pablo Carranza Velez <pablo@resin.io>
This commit is contained in:
Pablo Carranza Velez 2016-12-17 03:50:39 +00:00
parent 5ca6c30d4d
commit 9540ed415b
2 changed files with 4 additions and 4 deletions
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5
automation/jenkins_build.sh
View File

@ -3,7 +3,10 @@ set -e
# Jenkins build steps
export ESCAPED_BRANCH_NAME=$(echo $sourceBranch | sed 's/[^a-z0-9A-Z_.-]/-/g')
BASE_IMAGE_VERSION=$(tar -c --mtime='1970-01-01' --owner=0 --group=0 -f - base-image | md5sum | awk -F " " '{print $1}')
git submodule update --init --recursive
git clean -fxd base-image
git submodule foreach --recursive git clean -fxd
BASE_IMAGE_VERSION=$(find base-image -print0 | LC_ALL=C sort -z | tar --null -cf - --no-recursion --mtime=@0 --owner=root --group=root --numeric-owner -T - | md5sum | awk -F " " '{print $1}')
export BASE_IMAGE_REPO=resin/$ARCH-supervisor-base
export BASE_IMAGE_TAG=resin/$ARCH-supervisor-base:$BASE_IMAGE_VERSION

3
base-image/automation/jenkins-build.sh
View File

@ -8,9 +8,6 @@ set -o pipefail
JENKINS_PERSISTENT_WORKDIR=${1:-/var/lib/yocto}
DL_DIR="$JENKINS_PERSISTENT_WORKDIR/shared-downloads"
git submodule update --init --recursive
rm -rf dest
mkdir dest
BUILDER_REPO=registry.resinstaging.io/resin/${ARCH}-supervisor-base-builder